CN103437556B - Building water supply and drainage and heating engineering waterproofing and insulation construction method - Google Patents

Abstract

The invention discloses a waterproof and thermal insulation construction method for building water supply and drainage and heating engineering, comprising the following steps: 1. Installation of building water supply and drainage and heating engineering pipelines and sanitary appliances; the sanitary appliances are fixed and installed on the floor through anchor bolts, and the floor slab It is a cast-in-place concrete floor and after the construction is completed, the anchor bolts need to be waterproofed and anti-corrosion; 2. Pipeline waterproofing and heat preservation treatment: Waterproof and heat preservation treatment is carried out on the pipes to be installed; the pipe sections that pass through the floor in the pipes to be installed are The pipe section that passes through the floor pipe joint and passes through the wall is a wall pipe joint, and the pipe section that is located outside the wall and floor in the pipe to be installed is an exposed pipe joint. The method of the invention has simple steps, reasonable design, convenient construction operation, fast construction progress and good construction effect, and can effectively solve the problems of non-standard construction operation, low construction efficiency, and low construction efficiency in existing building water supply and drainage and heating engineering waterproof and thermal insulation construction methods. Problems such as poor waterproof and thermal insulation effects.

Description

Waterproof and thermal insulation construction method for building water supply and drainage and heating engineering

technical field

The invention belongs to the technical field of building water supply and drainage and heating engineering construction, and in particular relates to a waterproof and heat preservation construction method for building water supply and drainage and heating engineering.

Background technique

In modern buildings, the quality of water supply, drainage and heating installation projects is not only related to people's life and work, but also directly affects the safety of people's lives and property, and has a great impact on the service life of buildings. With the development of the national economy, people's living standards are improving day by day, the scale and function of buildings are increasing, and the quality requirements for water supply, drainage and heating installation projects are also getting higher and higher. Among them, waterproof and thermal insulation construction is one of the important construction links in building water supply, drainage and heating engineering, and its construction quality directly affects the construction quality of building water supply, drainage and heating engineering. But nowadays, there is no unified, standardized and specific construction method for waterproofing and thermal insulation construction of building water supply and drainage and heating engineering. There are many problems such as poor waterproof and thermal insulation effects.

Contents of the invention

The technical problem to be solved by the present invention is to provide a waterproof and thermal insulation construction method for building water supply and drainage and heating engineering in view of the deficiencies in the above-mentioned prior art. The method has simple steps, reasonable design, simple construction operation and fast construction progress. The effect is good, and it can effectively solve the problems of non-standard construction operation, low construction efficiency, poor waterproof and heat preservation effect existing in the waterproof and heat preservation construction method of the existing building water supply and drainage and heating engineering.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a waterproof and thermal insulation construction method for building water supply and drainage and heating engineering, which is characterized in that the method comprises the following steps:

Step 1. Installation of building water supply and drainage and heating engineering pipelines and sanitary appliances: install the pipelines that need to be installed in the building under construction respectively. The pipelines to be installed are water supply and drainage pipelines or heating pipelines. The installed sanitary fixtures are connected;

While installing the pipes to be installed, the sanitary fixtures also need to be installed; the sanitary fixtures are fixed on the floor through anchor bolts, the floor is cast-in-situ concrete floor, and the bottom of the anchor bolts pre-buried in the cast-in-place concrete floor; after the construction of the cast-in-place concrete floor is completed, the anchor bolts need to be waterproofed and anti-corrosion; when the anchor bolts are waterproof and anti-corrosion, the installation base of the sanitary ware Put it on the cast-in-place concrete floor, and make the bolt rod of the anchor bolt pass through the bolt installation hole opened on the installation base from bottom to top, and then set an outer sleeve coaxially on the upper part of the anchor bolt from top to bottom The bottom of the outer casing is supported on the installation base; nuts are installed on the bolt rods of the anchor bolts, and the nuts are located on the installation base and arranged in the outer casing; the top of the outer casing is larger than the anchor bolts The height of the top of the bolt shaft is not less than 5mm; the outer casing is filled with butter, and the upper surface of the filled butter is flush with the top of the outer casing;

Step 2. Pipeline waterproofing and heat preservation treatment: Waterproof and heat preservation treatment is carried out on the pipes to be installed in step 1; the pipe section passing through the floor in the pipe to be installed is a pipe joint through the floor, and the pipe to be installed in the pipe The pipe section passing through the wall is a wall pipe joint, and the pipe section outside the wall and the floor among the pipes to be installed is an exposed pipe joint; when waterproofing and heat preservation are performed on the pipes to be installed, the processing process is as follows :

Step 201, waterproofing and heat preservation treatment of the floor pipe joint and the wall pipe joint: performing waterproof and heat preservation treatment on the floor pipe joint and the pipe section in the pipeline to be installed as the wall pipe joint;

When carrying out waterproof and heat preservation treatment on the pipe joint through the floor, a first steel sleeve is coaxially set outside the pipe joint through the floor, and a first insulation layer is set between the first steel sleeve and the pipe joint through the floor; There is a steel pipe installation hole for the installation of the first steel casing on the floor, the bottom end of the first steel casing is flush with the bottom surface of the floor and its top is higher than the upper surface of the floor; the first steel casing A layer of anti-rust paint is painted on the inner and outer walls of the building. The first insulation layer is sealed and filled between the first steel casing and the pipe joint through the floor. The first insulation layer is divided into upper and lower sections with the first waterproof layer as the boundary. two parts;

When performing waterproof and heat preservation treatment on the wall-piercing pipe joint, a second steel sleeve is coaxially installed outside the wall-piercing pipe joint, and a second insulation layer is set between the second steel sleeve and the wall-piercing pipe joint; The wall is provided with a steel pipe installation hole for the installation of the second steel sleeve, and the left and right ends of the second steel sleeve are respectively flush with the left and right side walls of the wall; the inner and outer sides of the second steel sleeve A layer of anti-rust paint is painted on the walls, the second insulation layer is sealed and filled between the second steel casing and the wall pipe joint, and the second insulation layer is divided into left and right parts with the second waterproof layer as the boundary;

Step 202, waterproofing and thermal insulation treatment of exposed pipe joints: performing waterproof and thermal insulation treatment on the exposed pipe joints in the pipeline to be installed.

The waterproof and thermal insulation construction method for building water supply and drainage and heating engineering is characterized in that: the outer wall of the first steel casing described in step 201 is welded with a first water-proof flap, and the outer wall of the second steel casing A second waterproof flap is welded on the top, and both the first waterproof flap and the second waterproof flap are circular ring plates.

The waterproof and thermal insulation construction method for building water supply and drainage and heating engineering is characterized in that: the pipeline to be installed in step 1 is a PVC pipe or a metal pipe; when the pipeline to be installed is a PVC pipeline, the pipeline in step 202 When the exposed pipe joints are subjected to waterproof and heat preservation treatment, it is only necessary to wrap a third insulation layer on the outside of the exposed pipe joints; During waterproofing and heat preservation treatment, firstly paint a layer of antirust paint on the outer wall of the exposed pipe joint, and then wrap a layer of the third heat insulation layer on the outer side of the exposed pipe joint;

The first insulation layer, the second insulation layer and the third insulation layer arranged on the outer side of the pipeline to be installed are all connected as one.

The waterproof and thermal insulation construction method for building water supply and drainage and heating engineering is characterized in that: the first thermal insulation layer described in step 201 is a thermal insulation layer formed by thermal insulation materials stuffed between the first steel casing and the pipe joints passing through the floor , the first waterproof layer is a waterproof layer formed by filling the waterproof material between the first steel casing and the pipe joint through the floor; the second insulation layer is made of filling the second steel casing and the wall pipe The second waterproof layer is a waterproof layer formed by the waterproof material stuffed between the second steel casing and the wall-piercing pipe joints.

The waterproof and thermal insulation construction method for building water supply, drainage and heating engineering is characterized in that: in step 201, when waterproofing and thermal insulation treatment is carried out on the pipe joints passing through the floor, after the first steel sleeve is coaxially placed on the outside of the pipe joints passing through the floor, Use wooden wedges to temporarily fix the set first steel sleeve on the floor, and then fill the waterproof material between the first steel sleeve and the pipe joint through the floor to form the first waterproof layer, and then install the first steel sleeve Adjust the concentricity of the pipe and the pipe joint through the floor, then fill the insulation material on the upper and lower sides of the first waterproof layer respectively to form the first insulation layer, and finally seal the top of the first steel casing and the pipe joint through the floor with sealant block between

When carrying out waterproof and heat preservation treatment on the pipe joint through the floor, after the second steel sleeve is coaxially set on the outside of the pipe joint through the floor, the second steel sleeve is temporarily fixed on the wall with a wooden wedge, and then the second steel sleeve is fixed on the wall The above-mentioned waterproof material is filled between the second steel casing and the wall-piercing pipe joint to form a second waterproof layer, and then the concentricity of the second steel casing and the wall-piercing pipe joint is adjusted, and then around the second waterproof layer Fill the insulation material on the sides respectively to form a second insulation layer, and finally close the left and right ends of the second steel casing with fireproof mortar.

The waterproof and thermal insulation construction method for building water supply and drainage and heating engineering is characterized in that: the first thermal insulation layer described in step 201 is a thermal insulation cover that is fixed on the outside of the pipe joint that passes through the floor and is formed by bending a rubber-plastic thermal insulation board The second insulation layer is an insulation sleeve fixed on the outside of the wall-piercing pipe joint and bent by a rubber-plastic insulation board.

The waterproof and thermal insulation construction method for building water supply and drainage and heating engineering is characterized in that: the pipelines to be installed in step 1 are supported or suspended by support hangers; Finally, it is also necessary to arrange a limiter at the position where the support and hanger is arranged to limit and fix the heat preservation sleeve of the exposed pipe joint. The limiter is provided with a circular through hole, and the circular through hole The aperture of the hole is consistent with the outer diameter of the exposed pipe joint insulation sleeve, and the exposed pipe joint insulation sleeve is pasted and fixed on the limit piece by adhesive; The pipe bracket that needs to be installed to support the pipe or the pipe hanger that suspends the pipe that needs to be installed; the spacer is a wooden support or a high-density polyurethane pipe support; the wooden support and the high-density polyurethane The thickness of the pipe support is not less than the wall thickness of the exposed pipe joint insulation sleeve; the exposed pipe joint insulation sleeve is sandwiched between the pipe to be installed and the limiting member.

The waterproof and thermal insulation construction method for building water supply and drainage and heating engineering is characterized in that: the pipeline to be installed in step 1 is assembled from a plurality of straight pipelines from front to back, and the two adjacent straight pipelines pass through The pipe is connected with an elbow; the third insulation layer in step 202 is an exposed pipe section insulation sleeve formed by bonding and fixing on the outside of the exposed pipe section and bent by a rubber-plastic insulation board; in step 202, the When the exposed pipe joints are treated for waterproofing and heat preservation, it is necessary to carry out waterproof and heat preservation treatment for the straight pipe and the pipe connecting elbow; the pipe connecting elbow is a PVC elbow or a metal elbow;

When the pipeline connection elbow is a PVC elbow, when the pipeline connection elbow is waterproofed and heat-insulated in step 202, it is only necessary to wrap a layer of first insulation sleeve on the outside of the pipeline connection elbow; When the elbow is a metal elbow, in step 202, when waterproofing and insulating the pipe connecting elbow, first paint a layer of anti-rust paint on the outer wall of the pipe connecting elbow, and then wrap a layer of antirust paint on the outside of the pipe connecting elbow. Layer the first insulation sleeve;

The first thermal insulation sleeve is pasted and fixed on the outer wall of the pipe connection elbow by adhesive glue, and the first thermal insulation sleeve is formed by bonding a first rubber-plastic thermal insulation board; the first rubber-plastic thermal insulation The shape of the insulation board is rectangular, the width of the first rubber and plastic insulation board is D=π×d2, and the length of the first rubber and plastic insulation board is L=L1+2×d1, where L1 is the length of the pipe connecting elbow The length of the outer arc, d1 is not less than 10mm, and d2 is the outer diameter of the pipe connecting elbow; the first rubber and plastic insulation board is packaged on the outside of the pipe connecting elbow from outside to inside, and the seam of the first rubber and plastic insulation board It is located on the inner side of the pipe connecting elbow; the thickness of the first rubber-plastic insulation board is 20mm-30mm.

The waterproof and thermal insulation construction method for building water supply and drainage and heating engineering is characterized in that: the outer side of the first thermal insulation sleeve is also provided with a connecting elbow insulation layer protective shell, and the connecting elbow insulation layer protective shell includes A shrimp elbow on the outside of the insulation sleeve;

The width of the front end of the first insulation sleeve protruding from the front end of the pipe connection elbow is d1, and the width of the rear end of the first heat insulation sleeve protruding from the rear end of the pipe connection elbow is d1, wherein d1 is not less than 10mm; The front end of the elbow is flush with the front end of the first insulation sleeve, and the rear end of the shrimp elbow is flush with the rear end of the first insulation sleeve; the pipe connecting elbow is connected to the first straight Between the pipeline and the second straight pipeline, the first straight pipeline and the second straight pipeline are arranged vertically; the shrimp elbow is assembled from a plurality of shrimp joints from front to back, and the joints of the multiple shrimp joints The number is not less than 4, and when the caliber of the pipe connecting elbow is larger, the number of multiple shrimp joints is more.

The waterproof and thermal insulation construction method for building water supply and drainage and heating engineering is characterized in that: when performing thermal insulation treatment on the valve installed on the exposed pipe joint in step 202, it is fixed on the outside of the valve by bonding and is made of a fourth rubber and plastic The fourth insulation sleeve formed by bending the insulation board insulates the valve, and the gap between the fourth insulation sleeve and the valve is sealed and filled with rubber packing; the outer side of the fourth insulation sleeve is fitted with a valve insulation layer protection shell Protect the fourth insulation sleeve; the outer side of the third insulation layer set on the straight pipe in the exposed pipe joint is covered with a cylindrical insulation layer protective shell; the connection installed on the exposed pipe joint The elbow insulation layer protection shell, the cylindrical insulation layer protection shell and the valve insulation layer protection shell are all connected as one.

Compared with the prior art, the present invention has the following advantages:

1. The steps of the construction method are simple, the design is reasonable, the operation is simple, the realization is convenient, and the construction cost is relatively low.

2. The construction method is simple, the operation is simple and the realization is convenient, the construction efficiency is high and the labor intensity is low, saving time and effort.

3. The waterproof and anti-corrosion method using the anchor bolts of sanitary appliances is simple, convenient to implement, easy to guarantee the construction quality, and has good construction effects. The waterproof and anti-corrosion construction of the anchor bolts can be completed simply, quickly and with high quality, and the waterproof and anti-corrosion effect of the anchor bolts is good , can effectively ensure the stability of the installed sanitary appliances, and the anchor bolts have good waterproof and anti-corrosion effects.

4. The waterproof and heat preservation method of the floor pipe joint and the wall pipe joint is simple, convenient to realize, easy to guarantee the construction quality, good construction effect, high heat preservation effect and strong durability, and easy to disassemble and replace.

5. The heat preservation treatment method of the pipe connection elbow is simple, reasonable in design, easy to operate and easy to implement, low in investment cost, simple, fast and high-quality to complete, and has a beautiful appearance, firm paste and fixation, not easy to crack, and good heat preservation effect.

6. The protective shell of the pipe connection elbow insulation layer has simple structure, reasonable design, easy processing and production, low investment cost, easy disassembly and assembly, convenient actual assembly, good use effect, and can effectively protect the pipe connection elbow insulation layer , so that the pipe connecting elbow is not easy to crack, thus greatly improving the insulation effect of the pipe connecting elbow.

7. The valve insulation layer and valve insulation layer protective shell adopted have simple structure, reasonable design, easy processing and production, low input cost, easy disassembly and assembly, convenient actual assembly, and good use effect. The insulation layer of pipeline valves is effectively protected, which greatly improves the insulation effect of pipeline valves.

8. It is necessary to install the insulation layer of the floor pipe joint, wall pipe joint and exposed pipe joint in the pipeline, which greatly improves the insulation effect of the pipeline, and the floor pipe joint, wall pipe joint and exposed pipe joint The outside of the insulation layer provided on the outside is provided with an insulation layer protection layer, which can further greatly improve the overall insulation effect of the pipeline.

9. The insulation structure at the position where the pipeline support and hanger is to be installed is simple, reasonable in design, low in investment cost, and the insulation construction method is simple, easy to operate, and convenient to implement. During the thermal insulation construction process, since the outer wall of the thermal insulation cylinder is closely connected with the limit parts, cold bridges can be effectively avoided. Therefore, after the construction is completed, the thermal insulation structure at the position of the pipe support and hanger has a beautiful appearance, is not prone to cold bridges, and has a good thermal insulation effect.

To sum up, the method of the present invention has simple steps, reasonable design, convenient construction operation, fast construction progress and good construction effect, and can effectively solve the problems of non-standard construction operation and non-standard construction in the waterproof and thermal insulation construction methods of existing building water supply and drainage and heating engineering Low construction efficiency, poor waterproof and thermal insulation effects and other issues.

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is a flow chart of the method of the present invention.

Fig. 2 is a schematic diagram of the waterproof and anti-corrosion structure of the anchor bolts of the sanitary ware according to the present invention.

Fig. 3 is a schematic diagram of the waterproof and thermal insulation treatment structure of the pipe joint through the floor according to the present invention.

Fig. 4 is a schematic diagram of the waterproof and thermal insulation treatment structure of the wall-piercing pipe joint of the present invention.

Fig. 5 is a structural schematic diagram of the heat preservation structure of the pipeline at the location where the support and hanger are arranged according to the present invention.

Fig. 6 is a schematic structural view of the outer side of the pipe connecting elbow wrapped with the first thermal insulation sleeve according to the present invention.

Fig. 7 is a structural schematic diagram of the protection shell of the connecting elbow insulation layer of the present invention.

Fig. 8 is a schematic structural view of the protective shell of the valve insulation layer of the present invention.

Fig. 9 is a schematic structural view of the wall-piercing pipe joint of the present invention when heat-insulating sleeves are used for heat-insulation treatment.

Explanation of reference signs:

1-1—pipe joint through floor; 1-2—pipe joint through wall; 1-3—exposed pipe joint;

2—Wall; 3—Floor; 4-1—The first steel casing;

4-2—the second steel casing; 5-1—the first insulation layer; 5-2—the second insulation layer;

6-1—the first waterproof layer; 6-2—the second waterproof layer; 7-1—anchor bolts;

7-2—Outer casing; 7-4—Installation base; 7-5—Nut;

7-6—butter; 8-1—the first insulation sleeve; 8-2—pipeline connection elbow;

8-3—the first straight pipe; 8-4—the second straight pipe; 8-5—the second insulation sleeve;

8-6—the third insulation sleeve; 9-2—exposed pipe joint insulation sleeve; 9-3—wooden support;

9-4—U-shaped clamp; 9-5-1—lower support plate 1; 9-5-2—suspension rod;

9-6—Connecting bolts; 10—Shrimp section;

11-1—the first waterproof flap; 11-2—the second waterproof flap; 12—valve;

13—the fourth insulation sleeve; 14—protective shell of valve insulation layer; 15—rubber packing.

detailed description

Example 1

A kind of building water supply and drainage and heating engineering as shown in Figure 1 are used waterproof and thermal insulation construction method, comprises the following steps:

Step 1. Installation of building water supply and drainage and heating engineering pipelines and sanitary appliances: install the pipelines that need to be installed in the building under construction respectively. The pipelines to be installed are water supply and drainage pipelines or heating pipelines. The installed sanitary fixtures are connected.

While installing the pipes to be installed, the sanitary appliances also need to be installed. The sanitary appliance is fixedly installed on the floor 3 through anchor bolts 7-1, and the floor 3 is a cast-in-place concrete floor, and the bottom of the anchor bolts 7-1 is pre-buried in the cast-in-place concrete floor. After the construction of the cast-in-place concrete floor slab is completed, the anchor bolts 7-1 need to be waterproofed and anti-corrosion. As shown in Figure 2, when the anchor bolt 7-1 is waterproof and anticorrosion, the installation base 7-4 of the sanitary appliance is first placed flat on the cast-in-situ concrete floor, and the anchor bolt 7-1 is The bolt rod passes through the bolt installation hole opened on the installation base 7-4 from bottom to top, and then sets an outer casing 7-2 coaxially on the top of the anchor bolt 7-1 from top to bottom; the outer casing 7- The bottom of 2 is supported on the mounting base 7-4. A nut 7-5 is installed on the bolt shaft of the anchor bolt 7-1, and the nut 7-5 is located on the installation base 7-4 and arranged in the outer casing 7-2. The top of the outer sleeve 7-2 is not less than 5mm higher than the top of the bolt shank of the anchor bolt 7-1. The outer casing 7-2 is filled with butter 7-6, and the upper surface of the filled butter 7-6 is flush with the top of the outer casing 7-2.

In this embodiment, the outer sleeve 7-2 is a PVC sleeve.

In this embodiment, the outer sleeve 7-2 is a round tube.

In actual use, the outer sleeve 7-2 may also be a regular polygonal tube.

In this embodiment, the top end of the outer sleeve 7-2 is 5mm-10mm higher than the top end of the bolt rod. In actual use, the height of the outer sleeve 7-2 can also be adjusted accordingly according to specific needs.

In this embodiment, the nut 7-5 is a cylindrical nut or a regular polygonal nut.

In this embodiment, the inner diameter of the circular tube is 2 mm to 3 mm larger than the outer diameter of the cylindrical nut or the diameter of the circumscribed circle of the regular polygonal nut.

In this embodiment, the number of anchor bolts 7-1 installed on the installation base 7-4 is multiple, and the top heights of the multiple anchor bolts 7-1 are the same, and the multiple anchor bolts 7-1 The tops of the outer casing 7-2 set on the top of the bolt 7-1 are all flush.

In this embodiment, the wall thickness of the outer sleeve 7-2 is 1mm˜1.5mm.

Step 2. Pipeline waterproofing and heat preservation treatment: Waterproof and heat preservation treatment is carried out on the pipes to be installed as described in step 1; the pipe section passing through the floor 3 in the pipes to be installed is the pipe joint 1-1 through the floor, and the pipes to be installed are pipe joints 1-1. The pipe section passing through the wall 2 in the installation pipe is the wall-penetrating pipe section 1-2, and the pipe section outside the wall 2 and the floor 3 among the pipes to be installed is the exposed pipe section 1-3. When carrying out waterproof and heat preservation treatment on the pipelines to be installed, the treatment process is as follows:

Step 201. Waterproof and thermal insulation treatment of floor-through pipe joints and wall-penetration pipe joints: Waterproof and heat-insulation treatment is performed on the floor-through pipe joints 1-1 and the wall-penetration pipe joints 1-2 of the pipelines to be installed, respectively .

As shown in Figure 3, when waterproofing and heat-insulating treatment is carried out on the pipe joint 1-1 through the floor, a first steel sleeve 4-1 is coaxially installed on the outside of the pipe joint 1-1 through the floor, and the first steel sleeve The first insulation layer 5-1 is set between 4-1 and the pipe joint 1-1 through the floor. The floor 3 has a steel pipe installation hole for the installation of the first steel casing 4-1, the bottom of the first steel casing 4-1 is flush with the bottom of the floor 3 and its top is higher than the floor 3 of the upper surface. The inner and outer walls of the first steel casing 4-1 are coated with a layer of anti-rust paint, and the first thermal insulation layer 5-1 is sealed and filled in the first steel casing 4-1 and the floor-through pipe joint 1 Between -1, the first thermal insulation layer 5-1 is divided into upper and lower parts with the first waterproof layer 6-1 as the boundary.

As shown in Figure 4, when performing waterproof and heat preservation treatment on the wall-piercing pipe joint 1-2, a second steel sleeve 4-2 is coaxially installed on the outside of the wall-piercing pipe joint 1-2, and the second steel sleeve A second insulation layer 5-2 is set between 4-2 and the wall-piercing pipe joint 1-2. The wall 2 is provided with a steel pipe installation hole for the second steel casing 4-2 to be installed, and the left and right ends of the second steel casing 4-2 are flush with the left and right side walls of the wall 2 respectively. The inner and outer walls of the second steel casing 4-2 are coated with a layer of anti-rust paint, and the second thermal insulation layer 5-2 is sealed and filled in the second steel casing 4-2 and the wall-piercing pipe joint 1 Between -2, the second thermal insulation layer 5-2 is divided into left and right parts with the second waterproof layer 6-2 as the boundary.

Step 202, waterproofing and thermal insulation treatment of exposed pipe joints: performing waterproof and thermal insulation treatment on the exposed pipe joints 1-3 in the pipeline to be installed.

In this embodiment, the first waterproof flap 11-1 is welded on the outer wall of the first steel casing 4-1 in step 201, and the first waterproof flap 11-1 is welded on the outer wall of the second steel casing 4-2. Two waterproof wing plates 11-2, the first waterproof wing plate 11-1 and the second waterproof wing plate 11-2 are ring plates.

During actual construction, for a multi-water room, the first waterproof flap 11-1 must be welded on the outer wall of the first steel casing 4-1, and the first waterproof flap 11-1 is in the middle of the floor 3 . Correspondingly, for a multi-water room, the second waterproof flap 11-2 must be welded on the outer wall of the second steel casing 4-2, and the second waterproof flap 11-2 is located in the middle of the wall 2 . In addition, for other rooms in the building under construction except the multi-water room, the first waterproof wing plate 11-1 may not be welded on the outer wall of the first steel sleeve 4-1, and the second steel sleeve accordingly The second waterproof flap 11-2 may not be welded on the outer wall of the pipe 4-2.

In this embodiment, the width of the second waterproof flap 11-2 is 50mm. During actual processing, the widths of the first waterproof flap 11-1 and the second waterproof flap 11-2 can be adjusted accordingly according to specific needs.

During actual construction, the top end of the first steel casing 4-1 is 20 mm to 50 mm higher than the upper surface of the floor 3 . In this embodiment, for the multi-water room, the top of the first steel casing 4-1 is 50mm higher than the upper surface of the floor 3; for other rooms in the constructed building except the multi-water room, the The top of the first steel casing 4-1 is 20mm-30mm higher than the upper surface of the floor 3.

In this embodiment, the floor-piercing pipe joint 1-1 in step 201 is arranged vertically to the floor 3 it passes through, and the wall-piercing pipe joint 1-2 is arranged vertically to the wall 2 it passes through.

During actual construction, the width of the gap between the first steel casing 4-1 and the floor piercing pipe joint 1-1 in step 201 is 10 mm to 20 mm, and the length of the first steel casing 4-1 is the same as that of the floor 3 The thickness is 20mm-50mm larger; the gap width between the second steel casing 4-2 and the wall-piercing pipe joint 1-2 is 10mm-20mm. In this embodiment, the width of the gap between the first steel casing 4-1 and the floor-piercing pipe joint 1-1 and the gap width between the second steel casing 4-2 and the wall-piercing pipe joint 1-2 The gap width is 20mm.

During actual construction, the pipes to be installed in step 1 are PVC pipes or metal pipes; when the pipes to be installed are PVC pipes, in step 202, the exposed pipe joints 1-3 are treated with waterproofing and heat preservation, only It is necessary to wrap a layer of third insulation layer on the outside of the exposed pipe joint 1-3; when the pipe to be installed is a metal pipe, in step 202, the exposed pipe joint 1-3 is subjected to waterproof and heat preservation treatment First, paint a layer of anti-rust paint on the outer wall of the exposed pipe joint 1-3, and then wrap a layer of the third heat insulation layer on the outer side of the exposed pipe joint 1-3.

Moreover, the first insulation layer 5-1, the second insulation layer 5-2 and the third insulation layer arranged on the upper and outer sides of the pipeline to be installed are all connected as one. Therefore, the continuous laying of the thermal insulation layers for the pipelines to be installed not only facilitates the construction, but also has a beautiful appearance and good thermal insulation effect.

In this embodiment, the first insulation layer 5-1 described in step 201 is an insulation layer formed by the insulation material stuffed between the first steel casing 4-1 and the pipe joint 1-1 through the floor. The first waterproof layer 6-1 is a waterproof layer formed by waterproof material stuffed between the first steel casing 4-1 and the floor-piercing pipe joint 1-1. The second thermal insulation layer 5-2 is a thermal insulation layer filled between the second steel casing 4-2 and the thermal insulation material between the wall pipe joint 1-2, and the second waterproof layer 6-2 is made of The waterproof layer formed by the waterproof material filled between the second steel casing 4-2 and the wall-piercing pipe joint 1-2.

In this embodiment, the thermal insulation material is asbestos rope, and the waterproof material is linseed.

In actual construction, other thermal insulation materials and waterproof materials can also be used.

In step 201, when the waterproof and heat preservation treatment is performed on the floor-through pipe joint 1-1, the first steel sleeve 4-1 is coaxially fitted on the outside of the floor-through pipe joint 1-1, and the first steel sleeve 4-1 is fitted with a wooden wedge. The sleeve 4-1 is temporarily fixed on the floor 3, and then the waterproof material is filled between the first steel sleeve 4-1 and the pipe joint 1-1 through the floor to form the first waterproof layer 6-1, and then the Adjust the concentricity between the first steel casing 4-1 and the pipe joint 1-1 through the floor, and then fill the upper and lower sides of the first waterproof layer 6-1 with the thermal insulation material to form the first thermal insulation layer 5-1, Finally, sealant is used to seal the space between the top of the first steel casing 4-1 and the pipe joint 1-1 through the floor.

In this embodiment, twisting chisel is used to fill the oil hemp between the first steel casing 4-1 and the floor-through pipe joint 1-1, and the first waterproof layer 6-1 is located in the first steel casing 4-1, the distance between the first waterproof layer 6-1 and the top of the first steel casing 4-1 is 2/3 of the height of the first steel casing 4-1.

During actual construction, the gap between the first steel casing 4-1 and the floor 3 is blocked with concrete. After the construction of the first waterproof layer 6-1 and the first insulation layer 5-1 is completed, the top of the first steel casing 4-1 is sealed with sealant, and the sealant is required to be the same as the top of the first steel casing 4-1. Flush, the glue seam is required to be uniform, and the bottom of the first steel casing 4-1 is installed with a decorative ring. When a fire arresting ring is designed, it is also necessary to add a fire arresting ring at the bottom of the first steel casing 4-1.

When carrying out waterproof and heat preservation treatment on the pipe joint 1-1 through the floor, the second steel sleeve 4-2 is coaxially set on the outside of the pipe joint 1-1 through the floor, and the second steel sleeve 4-2 is fitted with a wooden wedge. -2 is temporarily fixed on the wall 2, and then the waterproof material is filled between the second steel casing 4-2 and the wall pipe joint 1-2 to form the second waterproof layer 6-2, and then the second Adjust the concentricity between the steel casing 4-2 and the wall-piercing pipe joint 1-2, then fill the left and right sides of the second waterproof layer 6-2 with the thermal insulation material to form the second thermal insulation layer 5-2, and finally use The fireproof mortar closes the left and right ends of the second steel casing 4-2.

In this embodiment, the third insulation layer in step 202 is the exposed pipe section insulation sleeve 9-2 which is fixed on the outer side of the exposed pipe section 1-3 and formed by bending a rubber-plastic insulation board.

As shown in Figure 5, in step 1, the pipeline needs to be installed to be supported or suspended by the support and hanger. A spacer for limiting and fixing the exposed pipe joint insulation sleeve 9-2 is arranged at the position where the frame is arranged. The outer diameters of the joint heat preservation sleeves 9-2 are consistent, and the exposed pipe joint heat preservation sleeves 9-2 are pasted and fixed on the position-limiting parts by bonding glue. The limiting member is fastened and fixed on the pipe support for supporting the pipe to be installed or the pipe hanger for suspending the pipe to be installed by clamps. The limiter is a wooden bracket 9-3 or a high-density polyurethane tube bracket. The thickness of the wooden support 9-3 and the high-density polyurethane pipe support are not less than the wall thickness of the exposed pipe joint insulation sleeve 9-2; the exposed pipe joint insulation sleeve 9-2 is clamped on the required Install between the pipe and the stopper.

In this embodiment, the circular through hole is arranged on the longitudinal centerline of the limiting member.

In this embodiment, the clamp is a U-shaped clamp 9-4, and the U-shaped clamp 9-4 includes a semicircular segment and two segments respectively connected to the left and right ends of the semicircular segment. The lower linear segment is composed of two linear segments arranged in parallel and the distance between them is the same as the diameter of the semicircular segment. The pipeline hanger includes a lower supporting plate 9-5-1 and a suspension rod 9-5-2 installed on the lower supporting plate 9-5-1, and the pipeline support includes a lower supporting plate 2 and a suspension rod installed on the lower supporting plate 9-5-1. The supporting member on the second lower supporting board, the supporting member is located below the second lower supporting board. The two linear segments are fixed on the first lower support plate 9-5-1 or the second lower support plate through detachable connectors. The limiting member is fixed between the U-shaped clamp 9-4 and the first lower supporting plate 9-5-1 or the second lower supporting plate.

In this embodiment, the limiting member may also be fastened and fixed on the pipe hanger supporting the pipe to be installed through a clamp. The two linear segments are all fixed on the lower supporting plate 9-5-1 through detachable connectors. The limiter is fixed between the U-shaped clamp 9-4 and the lower supporting plate 9-5-1.

In actual use, the limiting member may also be fastened and fixed on the pipe support supporting the pipe to be installed by a clamp. The two straight segments are fixed on the second lower support plate through detachable connectors. The limiting member is fixed between the U-shaped clamp 4 and the second lower supporting plate.

During actual layout and installation, the limiting member and the U-shaped clamp 9-4 are arranged on the same plane.

During actual processing, the semicircular segment and the two linear segments are both steel pipes or steel rods, and the two linear segments and the semicircular segment are processed as one or welded separately fixed below the left and right ends of the semicircular segment.

In this embodiment, the detachable connector is a connecting bolt 9-6, the upper part of the bolt rod of the connecting bolt 9-6 is fixed on the lower outer side wall of the linear segment, and the lower supporting plate-9- 5-1 or the second lower supporting plate is correspondingly provided with a bolt installation hole for the bolt rod to pass through, and the nut three of the connecting bolt 9-6 is located on the lower supporting plate 9-5-1 or the lower supporting plate 9-5-1. Below the second pallet.

During actual processing, the semicircular segment and the two linear segments are both steel pipes or steel rods, and the two linear segments and the semicircular segment are processed as one or welded separately fixed below the left and right ends of the semicircular segment.

In this embodiment, the semicircular segment and the two linear segments are flat steel, and the two linear segments are processed as one with the semicircular segment.

In this embodiment, the pipeline to be installed in step 1 is assembled from a plurality of straight pipelines from front to back, and two adjacent straight pipelines are connected by pipeline connecting elbow 8-2. In step 202 When performing waterproof and heat preservation treatment on the exposed pipe joint 1-3, it is necessary to perform waterproof and heat preservation treatment on the straight pipe and the pipe connection elbow 8-2; the pipe connection elbow 8-2 is a PVC bend head or metal elbow.

As shown in Figure 6, when the pipeline connection elbow 8-2 is a PVC elbow, when the pipeline connection elbow 8-2 is waterproofed and heat-insulated in step 202, only the pipeline connection elbow 8-2 needs to be sealed. It is sufficient to wrap a layer of the first thermal insulation sleeve 8-1 on the outside; when the pipeline connection elbow 8-2 is a metal elbow, in step 202, when the pipeline connection elbow 8-2 is waterproofed and heat-insulated, the Brush a layer of antirust paint on the outer wall of the connecting elbow 8-2, and then wrap a layer of the first insulation sleeve 8-1 on the outer side of the pipe connecting elbow 8-2.

The first thermal insulation sleeve 8-1 is pasted and fixed on the outer wall of the pipeline connection elbow 8-2 by adhesive glue, and the first thermal insulation sleeve 8-1 is bonded by a first rubber-plastic thermal insulation board formed; the shape of the first rubber and plastic insulation board is rectangular, the width of the first rubber and plastic insulation board is D=π×d2, and the length of the first rubber and plastic insulation board is L=L1+2×d1 , where L1 is the length of the outer arc of the pipeline connection elbow 8-2, d1 is not less than 10 mm, and d2 is the outer diameter of the pipeline connection elbow 8-2. The first rubber and plastic insulation board is packaged on the outside of the pipeline connection elbow 8-2 from the outside to the inside, and the seam of the first rubber and plastic insulation board is located on the inside of the pipeline connection elbow 8-2. The thickness of the first rubber-plastic insulation board is 20mm-30mm. The outer diameter d2 of the pipe connecting elbow 8-2 is the cross-sectional outer diameter of the pipe connecting elbow 8-2.

In this embodiment, the thickness of the first rubber and plastic insulation board is 20mm.

In this embodiment, the pipe connecting elbow 8-2 is connected between the first straight pipe 8-3 and the second straight pipe 8-4, and the first straight pipe 8-3 and the second straight pipe The pipe diameters of the straight pipes 8-4 are the same, the rear end of the first straight pipe 8-3 is connected to a connection port of the pipe connecting elbow 8-2, and the front end of the second straight pipe 8-4 is connected to the pipe The other port of the connecting elbow 8-2 is connected; the first straight pipe 8-3 is pasted and fixed with a second thermal insulation sleeve 8-5 by adhesive glue, and the second thermal insulation sleeve 8- 5 is formed by bonding a rectangular second rubber-plastic insulation board; the second insulation sleeve 8-5 is pasted and fixed with a third insulation sleeve 8-6 by adhesive glue, and the third insulation sleeve The cylinder 8-6 is formed by bonding a rectangular third rubber-plastic insulation board; the rear end of the second insulation sleeve 8-5 is pasted and fixed together with the front end of the first insulation sleeve 8-1, and the The front end of the third insulation sleeve 8-6 is pasted and fixed as a whole with the rear end of the first insulation sleeve 8-1. The first rubber and plastic insulation board, the second rubber and plastic insulation board and the third rubber and plastic insulation board have the same thickness.

In this embodiment, the pipe diameters of the first straight pipe 8-3 and the second straight pipe 8-4 are the same as the outer diameter d2 of the pipe connecting elbow 8-2, where the first straight pipe 8 The pipe diameters of -3 and the second straight pipe 8-4 are pipe outer diameters.

In this embodiment, d1=10mm˜15mm.

During actual processing, the value of d1 can be adjusted accordingly according to specific needs.

In this embodiment, the seam of the first rubber-plastic insulation board is located in the middle of the inner side of the pipe connecting elbow 8-2, and the seam is arranged parallel to the axial centerline of the pipe connecting elbow 8-2.

During actual processing, the seams between the first thermal insulation sleeve 8-1, the second thermal insulation sleeve 8-5 and the third thermal insulation sleeve 8-6 are pasted and fixed with adhesive glue. That is to say, the first thermal insulation sleeve 8-1, the second thermal insulation sleeve 8-5 and the third thermal insulation sleeve 8-6 in the exposed pipe joint thermal insulation sleeve 9-2 are all connected as one.

As shown in Figure 7, the outer side of the first insulation sleeve 8-1 is also provided with a connecting elbow insulation layer protection shell, and the connection elbow insulation layer protection shell includes a sleeve on the outside of the first insulation sleeve 8-1 Shrimp elbow.

The front end of the first thermal insulation sleeve 8-1 protrudes from the front end of the pipeline connection elbow 8-2, and the width of the front end is d1, and the rear end of the first thermal insulation sleeve 8-1 protrudes from the width of the rear end of the pipeline connection elbow 8-2. is d1, where d1 is not less than 10mm. The front end of the shrimp elbow is flush with the front end of the first insulation sleeve 8-1, and the rear end of the shrimp elbow is flush with the rear end of the first insulation sleeve 8-1. The pipe connecting elbow 8-2 is connected between the first straight pipe 8-3 and the second straight pipe 8-4, and the first straight pipe 8-3 and the second straight pipe 8-4 are vertical layout. The shrimp elbow is assembled from a plurality of shrimp joints 10 from front to back, the number of the multiple shrimp joints 10 is not less than 4, and when the diameter of the pipe connecting elbow 8-2 is larger, the plurality of shrimp joints 10 are not less than 4. The number of knots described in shrimp section 10 is more.

In this embodiment, two adjacent dried shrimp sections 10 are fastened to each other.

During actual installation, the seams between two adjacent dried shrimp sections 10 are fastened and connected by a plurality of fasteners arranged along the circumferential direction.

In this embodiment, the plurality of fasteners are evenly arranged, and the fasteners are self-tapping screws or rivets. During specific installation, the number of the fasteners and the distance between two adjacent fasteners can be adjusted accordingly according to specific needs.

The caliber of the pipe connecting elbow 8-2 is D1, D2, D3 or D4, wherein D1<150mm, 150mm≤D2<250mm, 250mm≤D2<300mm, and D4≥300mm; when the pipe connecting elbow 8-2 When the caliber is D1, the number of multiple shrimp joints 10 is 4; when the diameter of the pipe connecting elbow 8-2 is D2, the number of multiple shrimp joints 10 is 8 or 9 ; When the caliber of the pipe connecting elbow 8-2 is D3, the number of joints 10 of the multiple shrimp joints 10 is 11; when the caliber of the pipeline connecting elbow 8-2 is D4, the multiple shrimp joints 10 The number of sections is 13.

In this embodiment, the caliber of the connecting elbow of the pipeline to be protected is 280 mm, and the number of the plurality of dried shrimp joints 10 is 8. During actual processing, the number of multiple dried shrimp joints 10 can be adjusted accordingly according to specific needs.

In this embodiment, the plurality of dried shrimp joints 10 are bent from a flat plate, and the flat plate is galvanized steel plate, color steel plate or aluminum plate.

During actual processing, according to the caliber of the connecting elbow 8-2 of the pipeline to be protected and the thickness of the first rubber-plastic insulation board, the number of joints of shrimp joints and the size of each shrimp joint are determined. During actual assembly, the plurality of shrimp joints 10 in the shrimp elbow should transition naturally, smoothly and smoothly, and the seams between two adjacent shrimp joints 10 should have no wrinkles.

During actual construction, as shown in Figure 8, when the valve 12 installed on the exposed pipe joint 1-3 of the pipeline to be installed is heat-insulated, it is fixed on the outside of the valve 12 by bonding and the fourth rubber-plastic insulation board The bent fourth insulation sleeve 13 performs insulation treatment on the valve 12 , and the gap between the fourth insulation sleeve 13 and the valve 12 is sealed and filled with rubber packing 15 . At the same time, a valve insulation layer protection shell 14 is installed outside the fourth insulation sleeve 13 to protect the fourth insulation sleeve 13. The valve insulation layer protection shell 14 is made of zinc steel plate, color steel plate or aluminum plate. During actual construction, the valve insulation layer protection shell 14 and the fourth insulation sleeve 13 are fastened and connected by a plurality of fasteners.

In this embodiment, the outer side of the third insulation layer provided on the straight pipe in the exposed pipe section 1-3 is covered with a cylindrical insulation layer protection shell. The connecting elbow insulation layer protection shell, the cylindrical insulation layer protection shell and the valve insulation layer protection shell 14 installed on the exposed pipe joints 1-3 are all connected as one.

Example 2

In this embodiment, the difference from Embodiment 1 is that the first thermal insulation layer 5-1 described in step 201 is an thermal insulation layer formed by bonding and fixing on the outer side of the pipe joint 1-1 through the floor and formed by bending a rubber-plastic thermal insulation board. The sleeve, the second insulation layer 5-2 is an insulation sleeve fixed on the outside of the wall pipe joint 1-2 by bonding and bent by a rubber-plastic insulation board, see Figure 9 for details.

In this embodiment, the rest of the structure, connection relationship and construction method steps are the same as those in Embodiment 1.

The above are only preferred embodiments of the present invention, and do not limit the present invention in any way. All simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the present invention still belong to the technical aspects of the present invention. within the scope of protection of the scheme.

Claims (10)

1. a building water supply and drainage and heating engineering waterproofing and insulation construction method, is characterized in that the method comprises the following steps:

Step one, building water supply and drainage and heating engineering pipeline and sanitary apparatus are installed: install respectively institute's construction building domestic demand pipe laying, the described pipe laying that needs is water supply and sewerage pipeline or heating pipe, and described water supply and sewerage pipeline connects with the sanitary apparatus installed in institute construction building;

To described need pipe laying to install while, also need to install described sanitary apparatus; Described sanitary apparatus is fixedly mounted on floor (3) by stone bolt (7-1), described floor (3) is cast-in-place concrete floor, and described stone bolt (7-1) bottom is embedded in described cast-in-place concrete floor; After described cast-in-place concrete floor has been constructed, also need to carry out water-tight corrosion-proof to stone bolt (7-1); When water-tight corrosion-proof is carried out to stone bolt (7-1), first the mounting seat (7-4) of described sanitary apparatus is lain against on described cast-in-place concrete floor, and the bolt mounting holes making the shank of bolt of stone bolt (7-1) open in mounting seat (7-4) from the bottom to top passes, more from top to bottom stone bolt (7-1) top coaxial package outer tube (7-2); The bottom support of described outer tube (7-2) is in mounting seat (7-4); The shank of bolt of described stone bolt (7-1) is provided with nut (7-5), described nut (7-5) is positioned at that mounting seat (7-4) is upper and it is laid in outer tube (7-2); The top of described outer tube (7-2) is higher than the shank of bolt top of stone bolt (7-1) is not less than 5mm; Be filled with butter (7-6) in described outer tube (7-2), to fill the upper surface of butter (7-6) mutually concordant with the top of outer tube (7-2);

Step 2, pipeline waterproof and isothermal holding: carry out waterproof and isothermal holding to needing pipe laying described in step one; Described need in pipe laying through the duct segments of floor (3) is through-flooring tube coupling (1-1), described need in pipe laying through the duct segments of body of wall (2) is tube coupling through walls (1-2), and the described duct segments needing to be positioned in pipe laying body of wall (2) and floor (3) outside is for exposing tube coupling (1-3); To described need pipe laying to carry out waterproof and isothermal holding time, processing procedure is as follows:

Step 201, through-flooring tube coupling and tube coupling waterproof through walls and isothermal holding: be that tube coupling through walls (1-2) carries out waterproof and isothermal holding respectively to the described through-flooring tube coupling (1-1) in pipe laying and the duct segments of needing;

When waterproof and isothermal holding are carried out to through-flooring tube coupling (1-1), through-flooring tube coupling (1-1) outside coaxial package first steel sleeve (4-1), and the first insulation layer (5-1) is set between the first steel sleeve (4-1) and through-flooring tube coupling (1-1); Described floor (3) has for the first steel sleeve (4-1) the penstock installation hole of installing, and its top mutually concordant with the bottom surface of floor (3), the bottom of described first steel sleeve (4-1) is higher than the upper surface of floor (3); The outboard sidewalls of described first steel sleeve (4-1) is all coated with and is brushed with one deck rustproof paint, the sealing of described first insulation layer (5-1) is filled between the first steel sleeve (4-1) and through-flooring tube coupling (1-1), the first insulation layer (5-1) with the first waterproofing course (6-1) for boundary is divided into upper and lower two parts;

When waterproof and isothermal holding are carried out to tube coupling through walls (1-2), tube coupling through walls (1-2) outside coaxial package second steel sleeve (4-2), and the second insulation layer (5-2) is set between the second steel sleeve (4-2) and tube coupling through walls (1-2); Described body of wall (2) has the penstock installation hole of installing for the second steel sleeve (4-2), the two ends, left and right of described second steel sleeve (4-2) are equal together with the left and right sidewall of body of wall (2) respectively; The outboard sidewalls of described second steel sleeve (4-2) is all coated with and is brushed with one deck rustproof paint, the sealing of described second insulation layer (5-2) is filled between the second steel sleeve (4-2) and tube coupling through walls (1-2), the second insulation layer (5-2) with the second waterproofing course (6-2) for boundary is divided into left and right two parts;

Step 202, expose tube coupling waterproof and isothermal holding: need the tube coupling (1-3) that exposes in pipe laying to carry out waterproof and isothermal holding to described.

2. according to building water supply and drainage according to claim 1 and heating engineering waterproofing and insulation construction method, it is characterized in that: the lateral wall of the first steel sleeve described in step 201 (4-1) is welded with the first waterproof wing plate (11-1), the lateral wall of described second steel sleeve (4-2) is welded with the second waterproof wing plate (11-2), described first waterproof wing plate (11-1) and the second waterproof wing plate (11-2) are Circular Plate.

3. according to the building water supply and drainage described in claim 1 or 2 and heating engineering waterproofing and insulation construction method, it is characterized in that: described in step one, need pipe laying to be pvc pipe or metal tube; When described need pipe laying to be PVC pipeline time, in step 202 to described expose tube coupling (1-3) carry out waterproof and isothermal holding time, only need expose tube coupling (1-3) outside parcel one deck the 3rd insulation layer described; When described need pipe laying to be metal tube time, in step 202 to described expose tube coupling (1-3) carry out waterproof and isothermal holding time, first brushing one deck rustproof paint on the described lateral wall exposing tube coupling (1-3), then expose the 3rd insulation layer described in the parcel one deck of tube coupling (1-3) outside described;

Describedly the first insulation layer (5-1), the second insulation layer (5-2) and described 3rd insulation layer set by outside is needed on pipe laying all to connect as one.

4. according to the building water supply and drainage described in claim 1 or 2 and heating engineering waterproofing and insulation construction method, it is characterized in that: the first insulation layer described in step 201 (5-1) is the insulation layer formed by the heat insulating material clogged between the first steel sleeve (4-1) and through-flooring tube coupling (1-1), described first waterproofing course (6-1) is the waterproofing course formed by the waterproofing materials clogged between the first steel sleeve (4-1) and through-flooring tube coupling (1-1); Described second insulation layer (5-2) is the insulation layer formed by the heat insulating material clogged between the second steel sleeve (4-2) and tube coupling through walls (1-2), and described second waterproofing course (6-2) is the waterproofing course formed by the waterproofing materials clogged between the second steel sleeve (4-2) and tube coupling through walls (1-2).

5. according to building water supply and drainage according to claim 4 and heating engineering waterproofing and insulation construction method, it is characterized in that: when waterproof and isothermal holding being carried out to through-flooring tube coupling (1-1) in step 201, by the first steel sleeve (4-1) coaxial package in through-flooring tube coupling (1-1) outer rear flank, with timber wedge by be set with the first steel sleeve (4-1) and be temporarily fixed on floor (3), again described waterproofing materials to be clogged between the first steel sleeve (4-1) and through-flooring tube coupling (1-1) and to form the first waterproofing course (6-1), afterwards the concentricity of the first steel sleeve (4-1) with through-flooring tube coupling (1-1) is adjusted, then clog described heat insulating material respectively at the upper and lower sides of the first waterproofing course (6-1) and form the first insulation layer (5-1), finally carry out shutoff with fluid sealant between the first steel sleeve (4-1) top and through-flooring tube coupling (1-1),

When waterproof and isothermal holding are carried out to through-flooring tube coupling (1-1), by the second steel sleeve (4-2) coaxial package in through-flooring tube coupling (1-1) outer rear flank, with timber wedge by be set with the second steel sleeve (4-2) and be temporarily fixed on body of wall (2), again described waterproofing materials to be clogged between the second steel sleeve (4-2) and tube coupling through walls (1-2) and to form the second waterproofing course (6-2), afterwards the concentricity of the second steel sleeve (4-2) with tube coupling through walls (1-2) is adjusted, then clog described heat insulating material respectively at the left and right sides of the second waterproofing course (6-2) and form the second insulation layer (5-2), finally close up with the fire prevention two ends, left and right of clay to the second steel sleeve (4-2).

6. according to the building water supply and drainage described in claim 1 or 2 and heating engineering waterproofing and insulation construction method, it is characterized in that: the first insulation layer (5-1) described in step 201 is by being adhesively fixed on through-flooring tube coupling (1-1) outside and the insulation sleeve be bent to form by rubber and plastic warming plate, described second insulation layer (5-2) is by being adhesively fixed on tube coupling through walls (1-2) outside and the insulation sleeve be bent to form by rubber and plastic warming plate.

7. according to the building water supply and drainage described in claim 1 or 2 and heating engineering waterproofing and insulation construction method, it is characterized in that: in step 202, the 3rd insulation layer is incubated sleeve (9-2) for exposing the tube coupling that exposes be bent to form outside tube coupling (1-3) and by rubber and plastic warming plate described in being adhesively fixed on; Pipe laying is needed to be undertaken supporting or suspending in midair by suspension and support described in step one, expose after tube coupling (1-3) carries out waterproof and isothermal holding to described in step 202, also need lay one at described suspension and support installation position place to exposing tube coupling insulation sleeve (9-2) locating part that fixes, described locating part is provided with manhole, to be incubated the external diameter of sleeve (9-2) consistent with exposing tube coupling for the aperture of described manhole, exposes tube coupling insulation sleeve (9-2) and be pasted and fixed on described locating part by bonded adhesives; Described locating part is fastened and fixed at the support of pipelines needing pipe laying to support to described or on the described pipeline elevator needing pipe laying to suspend in midair by clip; Described locating part is wooden block (9-3) or high density polyurethane conduit saddle; The thickness of described wooden block (9-3) and described high density polyurethane conduit saddle is all not less than the wall thickness exposing tube coupling insulation sleeve (9-2); Described tube coupling insulation sleeve (9-2) that exposes is clipped on described need between pipe laying and described locating part.

8. according to the building water supply and drainage described in claim 1 or 2 and heating engineering waterproofing and insulation construction method, it is characterized in that: described in step one, need pipe laying assembled from front to back by multiple flat tube, connected by pipeline connecting bend (8-2) between adjacent two flat tube; In step 202, the 3rd insulation layer is incubated sleeve (9-2) for exposing the tube coupling that exposes be bent to form outside tube coupling (1-3) and by rubber and plastic warming plate described in being adhesively fixed on; In step 202 to described expose tube coupling (1-3) carry out waterproof and isothermal holding time, all need carry out waterproof and isothermal holding to described flat tube and pipeline connecting bend (8-2); Described pipeline connecting bend (8-2) is PVC elbow or metal bends;

When described pipeline connecting bend (8-2) is for PVC elbow, when waterproof and isothermal holding being carried out to pipeline connecting bend (8-2) in step 202, only need be incubated sleeve (8-1) at pipeline connecting bend (8-2) outside parcel one deck first; When pipeline connecting bend (8-2) is for metal bends, when waterproof and isothermal holding being carried out to pipeline connecting bend (8-2) in step 202, first brushing one deck rustproof paint on the lateral wall of pipeline connecting bend (8-2), then the first insulation sleeve (8-1) described in the parcel one deck of pipeline connecting bend (8-2) outside;

Described first insulation sleeve (8-1) is pasted and fixed on by bonded adhesives on the lateral wall of pipeline connecting bend (8-2), and described first insulation sleeve (8-1) forms by one piece of first rubber and plastic warming plate is bonding; The shape of described first rubber and plastic warming plate is rectangle, width D=π × the d2 of described first rubber and plastic warming plate, and the length L=L1+2 × d1 of described first rubber and plastic warming plate, wherein L1 is the outer arc length of pipeline connecting bend (8-2), d1 is not less than 10mm, and d2 is the external diameter of pipeline connecting bend (8-2); Described first rubber and plastic warming plate is packaged in pipeline connecting bend (8-2) outside from outside to inside, and the seam of described first rubber and plastic warming plate is positioned at the inner side of pipeline connecting bend (8-2); The thickness of slab of described first rubber and plastic warming plate is 20mm ~ 30mm.

9. according to building water supply and drainage according to claim 8 and heating engineering waterproofing and insulation construction method, it is characterized in that: described first insulation sleeve (8-1) outside is also provided with connecting bend insulation layer containment vessel, and described connecting bend insulation layer containment vessel comprises the dried shrimp elbow being sleeved on the first insulation sleeve (8-1) outside;

The width that pipeline connecting bend (8-2) front end is stretched out in described first front end being incubated sleeve (8-1) is d1, the width that pipeline connecting bend (8-2) rear end is stretched out in first rear end being incubated sleeve (8-1) is d1, and wherein d1 is not less than 10mm; The front end that the front end and first of described dried shrimp elbow is incubated sleeve (8-1) is mutually concordant, and the rear end that the rear end of described dried shrimp elbow and first is incubated sleeve (8-1) is mutually concordant; Described pipeline connecting bend (8-2) is connected between the first flat tube (8-3) and the second flat tube (8-4), and the first flat tube (8-3) and the second flat tube (8-4) are in vertical runs; It is assembled from front to back that described dried shrimp elbow saves (10) by multiple dried shrimp, the joint number of multiple described dried shrimp joint (10) is not less than 4, and when the bore of pipeline connecting bend (8-2) is larger, the joint number of multiple described dried shrimp joint (10) is more.

10. according to building water supply and drainage according to claim 9 and heating engineering waterproofing and insulation construction method, it is characterized in that: in step 202 to described expose the valve (12) that tube coupling (1-3) is installed carry out isothermal holding time, employing is adhesively fixed on valve (12) outside and the 4th insulation sleeve (13) be bent to form by the 4th rubber and plastic warming plate carries out isothermal holding to valve (12), and the gap between described 4th insulation sleeve (13) and valve (12) is carried out sealing by gum filler (15) and filled; Described 4th insulation sleeve (13) outside suit valve heat insulation layer containment vessel (14) is protected the 4th insulation sleeve (13); Be set with cylindric insulation layer containment vessel outside the 3rd insulation layer set in the described flat tube exposed in tube coupling (1-3), described in expose the described connecting bend insulation layer containment vessel that tube coupling (1-3) is installed, described cylindric insulation layer containment vessel and valve heat insulation layer containment vessel (14) and all connect as one.