CN119801113A - A self-cleaning device and method suitable for sewage pipe deposition - Google Patents
A self-cleaning device and method suitable for sewage pipe deposition Download PDFInfo
- Publication number
- CN119801113A CN119801113A CN202510001289.7A CN202510001289A CN119801113A CN 119801113 A CN119801113 A CN 119801113A CN 202510001289 A CN202510001289 A CN 202510001289A CN 119801113 A CN119801113 A CN 119801113A
- Authority
- CN
- China
- Prior art keywords
- water
- gravity
- plate
- water storage
- inspection well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Sewage (AREA)
Abstract
The invention belongs to the technical field of water environment treatment, and particularly relates to a self-cleaning device and method suitable for sewage pipeline deposition. The self-cleaning device comprises an inspection well, an upstream water inlet pipe and a downstream water outlet pipe, wherein a horizontal support plate is connected to the side wall of the inspection well, a gravity plate is placed on the upper surface of the free end of the horizontal support plate, one end of the gravity plate, which is far away from a water inlet, is connected with an inclined water retaining plate, a water storage area is formed among the horizontal support plate, the inclined water retaining plate and the inspection well, the middle part or the lower part of the inclined water retaining plate is connected with a torsion shaft, a water storage tank is arranged at the top of the inclined water retaining plate, a water outlet hole is formed in the bottom of the water storage tank, and the gravity plates at the two ends of the inclined water retaining plate and the water storage tank rotate up and down relative to the torsion shaft along with the change of the water storage amount of the water storage area, so that instantaneous high-level water drainage during water storage and high liquid level can be realized. The invention can obviously reduce the pollutant deposition amount of the sewage pipeline and the inspection well, and realize the efficient transfer of pollutants.
Description
Technical Field
The invention belongs to the technical field of water environment treatment, and particularly relates to a self-cleaning device and method suitable for sewage pipeline deposition.
Background
In recent years, urban sewage pipelines have the problems of fouling and blockage to different degrees, wherein sewage pipelines with longer construction ages are particularly prominent, sewage pipeline pollutant deposition and biochemical reaction of sediment are one of the important reasons for the common low-carbon high-nitrogen and phosphorus problems of urban sewage treatment plants in China, in addition, in the combined system pipeline, pollutants deposited on the combined system pipeline are washed out and released into a water body during rainfall, the water environment quality of the water body is seriously threatened, and the blackness and odor of the water body are caused. The sewage pipeline pollutant deposition comprises the following reasons that firstly, when the sewage quantity is large, the water flow speed is too slow, the sewage flow speed of a sewage pipe network is lower than 0.6m/s required by outdoor drainage design standard (GB 50014-2021), and when the water flow speed in the sewage pipe network is too slow, the power brought by flushing can not take away the particles carried by sewage, so that the solid particles are gradually deposited. Especially at the tail end of a pipeline or in a flatter place, the water flow power is insufficient, the sedimentation phenomenon is more obvious, secondly, the pipeline design is unreasonable, the pipe diameter of the sewage pipe network is not checked according to the actual drainage amount when the urban pipe network is updated, the design fullness is not consistent with the actual fullness of the pipe network, and the sewage pipe network is caused to sediment by low-flow operation.
At present, the pollutant deposition attention degree of the sewage pipe network in the industry gradually rises, but the related work of the pollutant deposition technology of the sewage pipe network is relatively less about how to prevent, and meanwhile, when the existing pipe network is updated and reformed, the pipe diameter of the sewage pipe network is not checked according to the actual drainage amount, and the current pipe network is difficult to solve the problem of pollution blocking and deposition through updating and reforming. In view of the foregoing, it is highly desirable to construct a novel drainage mode suitable for a self-cleaning device and a method for sedimentation of sewage pipelines, which solves the problems of low flow rate, slow water flow rate, easy sedimentation of pipe network pollutants, and the like, realizes efficient transfer and efficient collection of pollutants, and assists in the high-quality development of urban sewage collection and treatment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a self-cleaning device and a self-cleaning method suitable for sewage pipeline deposition. The invention provides a self-cleaning device and a self-cleaning method suitable for sewage pipelines, which are based on a sewage pipeline sewage quantity change rule and take pipeline pollutant deposition as a control object to solve the problems of low water inlet concentration of sewage plants and pollutant deposition in sewage inspection wells and sewage pipelines. The invention can remarkably reduce the pollutant deposition amount of the sewage pipeline and the inspection well, can solve the problem of pollutant deposition of a sewage pipe network caused by the factors of large change coefficient, slow water flow speed, low flow rate and the like when the sewage amount is generated, and simultaneously realizes high-efficiency transfer of pollutants, improves the water inlet concentration of a sewage plant and helps the high-quality development of urban sewage collection and treatment.
In order to achieve the technical purpose, the technical scheme adopted by the embodiment of the invention is as follows:
In a first aspect, an embodiment of the present invention provides a self-cleaning device suitable for sewage pipeline deposition, including an inspection well, a water inlet of the inspection well is connected with an upstream water inlet pipe, a water outlet of the inspection well is connected with a downstream water outlet pipe, and a setting height H Feeding in of the water inlet is greater than or equal to a setting height H Out of of the water outlet;
A horizontal supporting plate is arranged in the inspection well, the setting height H of the horizontal supporting plate is smaller than H Feeding in , one end of the horizontal supporting plate is arranged on the side wall of the inspection well, and a gravity plate is arranged on the upper surface of the other end of the horizontal supporting plate;
One end of the gravity plate, which is far away from the water inlet, is connected with an inclined water baffle, the front side and the rear side of the inclined water baffle are connected to the side wall of the inspection well, a water storage area is formed among the horizontal support plate, the inclined water baffle and the inspection well, the middle part or the lower part of the inclined water baffle is connected with a torsion shaft, and the two ends of the torsion shaft are connected to the side wall of the inspection well;
the top of the inclined water baffle is provided with a water reservoir, and the bottom of the water reservoir is provided with a drain hole;
Along with the change of the water storage area water quantity, the gravity plates at the two ends of the inclined water baffle plate and the water reservoir rotate up and down relative to the torsion shaft, and the gravity plates, the torsion shaft, the inclined water baffle plate and the water reservoir are matched to realize that the whole process of flushing sediment at the bottom of the inspection well and a downstream drain pipe by instant high-level drainage during low water level water storage and high liquid level has no external power and hydraulic control.
Further, the gravity plate self-gravity G Gravity plate is greater than the reservoir self-gravity G Reservoir for water .
Further, when the water level H of the water storage area is smaller than the vertical height H Vertical direction of the inclined water baffle, and the total weight G Total (S) of the water storage tank and the water therein is smaller than or equal to the self gravity G Gravity plate of the gravity plate, the gravity plate is attached to the horizontal support plate or the gravity plate drives the inclined water baffle to rotate downwards around the twisting shaft, and the separated gravity plate is gradually close to the horizontal support plate.
Further, when the water level H of the water storage area is greater than or equal to the vertical height H Vertical direction of the inclined water baffle, and the total weight G Total (S) of the water storage tank and the water therein is greater than the gravity G Gravity plate of the gravity plate, the water storage tank drives the inclined water baffle to rotate downwards around the torsion shaft, and the gravity plate is separated from the horizontal support plate.
Further, when the water level H of the water storage area is greater than or equal to the vertical height H Vertical direction of the inclined water baffle, and the total weight G Total (S) of the water storage tank and the water therein is less than or equal to the self gravity G Gravity plate of the gravity plate, the gravity plate is attached to the horizontal support plate.
Further, the pipe diameter of the upstream water inlet pipe is smaller than or equal to the pipe diameter of the downstream water outlet pipe.
Further, the upstream water inlet pipe and the downstream water outlet pipe adopt one of a rigid polyvinyl chloride plastic pipe, a random copolymer polypropylene pipe, a composite pipe, an engineering plastic pipe, a polybutylene pipe, a corrugated pipe, a polyethylene pipe and a polyethylene winding structure wall pipe.
Further, the inspection well is a prefabricated inspection well and is made of reinforced concrete or PE (polyethylene) materials;
or the inspection well is formed by casting concrete reinforced bars on site or bricking on site, and the characteristic value of the bearing capacity of the foundation is ensured to be not less than 100kPa in the on-site manufacturing process.
Further, one end of the horizontal support plate is connected to the side wall of the inspection well in an embedded mode, and the joint of the horizontal support plate and the inspection well does not allow sewage to pass through;
the horizontal length of the horizontal supporting plate is smaller than or equal to the radius r of the inspection well.
In a second aspect, an embodiment of the present invention provides a self-cleaning method suitable for sewer sediment, using the self-cleaning device of the first aspect to flush and drain sewer sediment, including the following steps:
In the process P1, sewage continuously enters the inspection well from a water inlet, is accumulated in a water storage area formed by a horizontal support plate, an inclined water baffle plate and the inspection well, the water level H of the water storage area is continuously increased, and when H is smaller than the vertical height H Vertical direction of the inclined water baffle plate, and the total weight G Total (S) of the water storage pool and the water in the water storage pool is smaller than or equal to the self gravity G Gravity plate of the gravity plate, the horizontal support plate and the gravity plate are always in a fitting state;
In the process P2 and in a drainage state, along with the continuous increase of the water quantity in the water storage area, when H is more than or equal to the vertical height H Vertical direction of the inclined water baffle, sewage starts to enter the water storage tank, and the water quantity entering the water storage tank is more than the water quantity flowing out of a drain hole at the bottom of the water storage tank;
When the total weight G Total (S) of the reservoir and the sewage in the reservoir is larger than the self gravity G Gravity plate of the gravity plate, the gravity plate is separated from the horizontal supporting plate, the reservoir is toppled, the sewage forms instant high-flow-rate physical flushing for sediment at the bottoms of the inspection well and the downstream drain pipe under the action of gravity, and the sediment is discharged into the next inspection well or municipal drain pipe along with the sewage;
In the process P3, in a reset state, along with the continuous discharge of sewage in the water storage area into a downstream inspection well or a municipal sewage main pipe, the water level H of the water storage area is continuously reduced, when H is smaller than the vertical height H of the inclined water baffle plate, the sewage does not enter the water storage pool any more, and when the total weight G Total (S) of the water storage pool and the sewage in the water storage pool is smaller than the self gravity G Gravity plate of the gravity plate, the gravity plate is gradually reset until the horizontal support plate is attached to the gravity plate, and the next water storage flushing stage is entered;
Process P4 and cycle state, process P1-process P3 are alternately and reciprocally carried out.
The technical scheme of the embodiment of the invention has the following beneficial effects:
(1) The invention fully utilizes the adjustable storage volume of the sewage inspection well, and part of drainage water can be temporarily stored in the well through the working modes of small water storage and high liquid level drainage, so that the high-efficiency flushing effect can be formed on the sediment generated by the sewage pipe network, the high-efficiency transfer of pollutants in the sewage pipe network is obviously improved, the sediment of pollutants in the sewage pipe and the inspection well is reduced, the smooth drainage of the sewage is realized, and a new design thought and reference basis are provided for the new construction and reconstruction engineering of the sewage pipe network in the future.
(2) The invention is based on the new construction and reconstruction engineering of the sewage pipe network as a starting point, the water storage flushing device can be coupled in the inspection well, the flushing process of automatic water storage which is automatically controlled by means of hydraulics is formed, the daily automatic operation can be realized, the manual operation is not needed, the stable operation of the flushing device is ensured while the safety of drainage is ensured, no power consumption is generated, and the cost is low.
(3) The device has the advantages of simple operation, strong applicability, low cost, environmental protection and the like, and can provide a new design idea and management idea for smooth drainage and efficient transfer of pollutants.
(4) The invention has remarkable advantages in the aspects of improving the running stability of the drainage system, reducing the maintenance cost, improving the environmental protection effect and the like, and can support the efficient collection of sewage in China, the low-carbon running of a pipe network and the improvement of the collection rate of urban domestic sewage, and the environment-friendly low-carbon high-quality development of the power-assisted drainage industry.
Drawings
For a clearer description of an embodiment, a method of use or a technical solution in the prior art of the device according to the invention, it is therefore evident that the figures, which are described below as examples of the device according to the invention, can be obtained according to these figures without inventive effort.
Fig. 1 is a front view of a self-cleaning device for sewer deposition according to the present invention.
Fig. 2 is a top view of the self-cleaning device for sewer deposition according to the invention.
Fig. 3 is a schematic flow chart of the self-cleaning device suitable for sewage pipeline deposition.
Fig. 4 is a system diagram of a self-cleaning device suitable for sewer deposition according to the present invention.
The reference numerals indicate 1-inspection well, 2-upstream water supply pipe, 3-horizontal support plate, 4-gravity plate, 5-torsion shaft, 6-inclined water baffle, 7-water storage area, 8-water drain hole, 9-downstream water drain pipe, 10-water storage area, 11-upstream liquid level, 12-pipeline sediment, 13-self-cleaning device and 14-downstream liquid level.
Detailed Description
The following description of the embodiments and methods of use of the present invention will be made clearly and fully apparent from the accompanying drawings, in which some, but not all embodiments of the invention are shown. Based on the embodiments of the present invention, those skilled in the art should not pay any inventive effort to fall within the scope of the present invention.
In the description of the present invention, it should be understood that the azimuth or positional relationship indicated by the azimuth words such as "inner, outer", "upper, lower", "left, right", "other side", etc. are generally based on the azimuth or positional relationship shown in the drawings, merely for convenience of describing the present invention and simplifying the description, and these azimuth words do not indicate or imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, without limiting the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "mounted," "attached," "detached," and the like are to be construed broadly unless otherwise specifically indicated and limited. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1 and 2, a self-cleaning device suitable for sewage pipeline deposition comprises an inspection well 1, wherein a water inlet of the inspection well 1 is connected with an upstream water inlet pipe 2, a water outlet of the inspection well 1 is connected with a downstream water outlet pipe 9, and the setting height H Feeding in of the water inlet is more than or equal to the setting height H Out of of the water outlet;
The water inlet of the upstream water inlet pipe 2 is connected with a residential building outlet pipe or a commercial sewage pipe or an industrial park sewage pipe, and the downstream water outlet pipe 9 is directly connected with a downstream inspection well or a municipal sewage pipe network main pipe;
The inside of the inspection well 1 is provided with a horizontal supporting plate 3, the setting height H of the horizontal supporting plate 3 is smaller than the setting height H Feeding in of the water inlet, one end of the horizontal supporting plate 3 is arranged on the side wall of the inspection well 1, and the upper surface of the other end is provided with a gravity plate 4;
One end of the gravity plate 4, which is far away from the water inlet, is connected with the inclined water baffle 6, the front side and the rear side of the inclined water baffle 6 are both connected to the side wall of the inspection well 1, a water storage area 10 is formed among the horizontal support plate 3, the inclined water baffle 6 and the inspection well 1, the middle part or the lower part of the inclined water baffle 6 is connected with the torsion shaft 5, and the two ends of the torsion shaft 5 are connected to the side wall of the inspection well 1;
the top of the inclined water baffle 6 is provided with a water reservoir 7, and the bottom of the water reservoir 7 is provided with a drain hole 8;
Along with the change of the water quantity of the water storage area 10, the gravity plates 4 at the two ends of the inclined water baffle 6 and the water storage tank 7 rotate up and down relative to the torsion shaft 5, and the whole process of flushing sediment at the bottom of the inspection well 1 and the downstream drain pipe 9 by instant high-level drainage in water storage at low water level and high liquid level can be realized by matching the gravity plates 4, the torsion shaft 5, the inclined water baffle 6 and the water storage tank 7 without external power and hydraulic control.
The drain holes 8 are evenly distributed in the bottom of the reservoir 7 and are used for emptying sewage in the reservoir 7, so that the gravity plate 4 can be reset, and the gravity plate 4 can be attached to the horizontal support plate 3 again.
The gravity plate 4 has its own gravity G Gravity plate greater than the gravity G Reservoir for water of the reservoir 7.
When the water level H of the water storage area 10 is smaller than the vertical height H Vertical direction of the inclined water baffle 6, and the total weight G Total (S) of the water storage 7 and the water therein is smaller than or equal to the self gravity G Gravity plate of the gravity plate 4, the gravity plate 4 is attached to the horizontal support plate 3 or the gravity plate 4 drives the inclined water baffle 6 to move downwards, and the separated gravity plate 4 gradually approaches the horizontal support plate 3.
When the water level H of the water storage area 10 is greater than or equal to the vertical height H Vertical direction of the inclined water baffle 6, and the total weight G Total (S) of the water storage 7 and the water therein is greater than the gravity G of the gravity plate 4, the water storage 7 drives the inclined water baffle 6 to move downwards around the torsion shaft 5, and the gravity plate 4 is separated from the horizontal support plate 3.
When the water level H of the water storage area 10 is greater than or equal to the vertical height H Vertical direction of the inclined water baffle 6, and the total weight G Total (S) of the water in the water storage 7 and the water storage is less than or equal to the self gravity G Gravity plate of the gravity plate 4, the gravity plate 4 is attached to the horizontal support plate 3.
The pipe diameter of the upstream water inlet pipe 2 is smaller than or equal to the pipe diameter of the downstream water outlet pipe 9.
The upstream water supply pipe 2 and the downstream water discharge pipe 9 adopt one of a rigid polyvinyl chloride plastic pipe (UPVC), a random copolymer polypropylene pipe (PP-R), a composite pipe, an engineering plastic pipe (ABS), a polybutylene pipe (PB pipe), a corrugated pipe (HDPE), a polyethylene Pipe (PVC) and a polyethylene winding structure wall pipe (B type).
The inspection well 1 is a prefabricated inspection well and is made of reinforced concrete or PE material.
One end of the horizontal support plate 3 is connected to the side wall of the inspection well 1 in an embedded manner, and the connection part of the horizontal support plate 3 and the inspection well 1 does not allow sewage to pass through;
the horizontal length of the horizontal support plate 3 is less than or equal to the radius r of the manhole 1.
Example 2
As shown in fig. 1 and 2, a self-cleaning device suitable for sewage pipeline deposition comprises an inspection well 1, wherein a water inlet of the inspection well 1 is connected with an upstream water inlet pipe 2, a water outlet of the inspection well 1 is connected with a downstream water outlet pipe 9, and the setting height H Feeding in of the water inlet is more than or equal to the setting height H Out of of the water outlet;
The inside of the inspection well 1 is provided with a horizontal supporting plate 3, the setting height H of the horizontal supporting plate 3 is smaller than the setting height H Feeding in of the water inlet, one end of the horizontal supporting plate 3 is arranged on the side wall of the inspection well 1, and the upper surface of the other end is provided with a gravity plate 4;
One end of the gravity plate 4, which is far away from the water inlet, is connected with the inclined water baffle 6, the front side and the rear side of the inclined water baffle 6 are both connected to the side wall of the inspection well 1, a water storage area 10 is formed among the horizontal support plate 3, the inclined water baffle 6 and the inspection well 1, the middle part or the lower part of the inclined water baffle 6 is connected with the torsion shaft 5, and the two ends of the torsion shaft 5 are connected to the side wall of the inspection well 1;
the top of the inclined water baffle 6 is provided with a water reservoir 7, and the bottom of the water reservoir 7 is provided with a drain hole 8;
Along with the change of the water quantity of the water storage area 10, the gravity plates 4 at the two ends of the inclined water baffle 6 and the water storage tank 7 rotate up and down relative to the torsion shaft 5, and the whole process of flushing sediment at the bottom of the inspection well 1 and the downstream drain pipe 9 by instant high-level drainage in water storage at low water level and high liquid level can be realized by matching the gravity plates 4, the torsion shaft 5, the inclined water baffle 6 and the water storage tank 7 without external power and hydraulic control.
The drain holes 8 are evenly distributed in the bottom of the reservoir 7 for evacuating sewage in the reservoir 7, thereby ensuring that the gravity plate 4 can be reset, and enabling the gravity plate 4 to be re-attached to the horizontal support plate 3.
The gravity plate 4 has its own gravity G Gravity plate greater than the gravity G Reservoir for water of the reservoir 7.
When the water level H of the water storage area 10 is smaller than the vertical height H Vertical direction of the inclined water baffle 6, and the total weight G Total (S) of the water storage 7 and the water therein is smaller than or equal to the self gravity G Gravity plate of the gravity plate 4, the gravity plate 4 is attached to the horizontal support plate 3 or the gravity plate 4 drives the inclined water baffle 6 to move downwards around the torsion shaft 5, and the separated gravity plate 4 gradually approaches the horizontal support plate 3.
When the water level H of the water storage area 10 is greater than or equal to the vertical height H Vertical direction of the inclined water baffle 6, and the total weight G Total (S) of the water storage 7 and the water therein is greater than the gravity G of the gravity plate 4, the water storage 7 drives the inclined water baffle 6 to rotate downwards around the torsion shaft 5, and the gravity plate 4 is separated from the horizontal support plate 3.
When the water level H of the water storage area 10 is greater than or equal to the vertical height H Vertical direction of the inclined water baffle 6, and the total weight G Total (S) of the water in the water storage 7 and the water storage is less than or equal to the self gravity G Gravity plate of the gravity plate 4, the gravity plate 4 is attached to the horizontal support plate 3.
The pipe diameter of the upstream water inlet pipe 2 is smaller than or equal to the pipe diameter of the downstream water outlet pipe 9.
The upstream water supply pipe 2 and the downstream water discharge pipe 9 adopt one of a rigid polyvinyl chloride plastic pipe (UPVC), a random copolymer polypropylene pipe (PP-R), a composite pipe, an engineering plastic pipe (ABS), a polybutylene pipe (PB pipe), a corrugated pipe (HDPE), a polyethylene Pipe (PVC) and a polyethylene winding structure wall pipe (B type).
The inspection well 1 is formed by casting concrete reinforced bars on site or bricking on site, and the characteristic value of the bearing capacity of the foundation is ensured to be not less than 100kPa in the on-site manufacturing process.
One end of the horizontal support plate 3 is connected to the side wall of the inspection well 1 in an embedded manner, and the connection part of the horizontal support plate 3 and the inspection well 1 does not allow sewage to pass through;
the horizontal length of the horizontal support plate 3 is less than or equal to the radius r of the manhole 1.
Example 3
A self-cleaning method suitable for sewage pipeline deposition, which is used for flushing and draining sewage pipeline deposition, comprises the following steps:
In the process P1, in the water storage state, as shown in FIG. 3a, sewage continuously enters the inspection well 1 from the water inlet, is accumulated in the water storage area 10 formed by the horizontal support plate 3, the inclined water baffle 6 and the inspection well 1, the water level H of the water storage area 10 is continuously increased, and when H is smaller than the vertical height H Vertical direction of the inclined water baffle 6, and the total weight G Total (S) of the water storage tank 7 and water therein is smaller than or equal to the self gravity G Gravity plate of the gravity plate 4, the horizontal support plate 3 and the gravity plate 4 are always in a fitting state;
In the process P2 and in the drainage state, as shown in figures 3b and 3c, as the water amount in the water storage area 10 is continuously increased, when H is more than or equal to the vertical height H Vertical direction of the inclined water baffle 6, sewage starts to enter the water storage tank 7, and the water amount entering the water storage tank 7 is larger than the water amount flowing out from the water drainage hole 8 at the bottom of the water storage tank 7;
When the total weight G Total (S) of the reservoir 7 and the sewage in the reservoir is larger than the self gravity G Gravity plate of the gravity plate 4, the gravity plate 4 is quickly separated from the horizontal support plate 3, the reservoir 7 is dumped, the sewage forms instant high-flow-rate physical flushing for sediment at the bottoms of the inspection well 1 and the downstream drain pipe 8 under the action of gravity, and the sediment is discharged into the next inspection well or municipal drain pipe along with the sewage;
In the process P3 and in a reset state, as shown in fig. 3d, along with the continuous discharge of the sewage in the water storage area 10 into a downstream inspection well or a municipal sewage main pipe, the water level H of the water storage area 10 is continuously reduced, when H is smaller than the vertical height H Vertical direction of the inclined water baffle 6, the sewage does not enter the water storage tank 7 any more, when the total weight G Total (S) of the water storage tank 7 and the sewage in the water storage tank is smaller than the self gravity G Gravity plate of the gravity plate 4, the gravity plate 4 is gradually reset until the horizontal support plate 3 and the gravity plate 4 are attached together, and the next water storage flushing stage is entered;
Process P4 and cycle state, process P1-process P3 are alternately and reciprocally carried out.
As shown in fig. 4, the self-cleaning device 14 of the present invention is a system for newly building or modifying one or more inspection wells in a drainage pipe network system, and it is understood that the flushing inspection well device is also applicable to a drainage pipe network system of a public building, an enterprise, a large co-building or the like.
Test results show that flushing of pipeline sediments by water storage in the water storage area 10 is mainly traction conveying rather than suspension conveying, and suspension conveying mainly occurs at the front end of flushing water along the flow direction. The pipe sediment flushing distance is positively correlated with the vertical height H Vertical direction of the inclined water baffle 6 and the volume of the water storage area. The pipe sediment flushing distance is 20-63 m when the vertical height H Vertical direction of the inclined water trap 6 is 0.2-1m, and 45-77 m when the volume of the water storage area 10 is 0.3-0.8 m 3. The flushing distance of pipeline sediment is inversely related to the downstream pipe diameter and sediment thickness, and is 75-15 m when the downstream pipe diameter is 100-500 mm, and 68-31 m when the sediment thickness is 2-20 cm.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510001289.7A CN119801113A (en) | 2025-01-02 | 2025-01-02 | A self-cleaning device and method suitable for sewage pipe deposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510001289.7A CN119801113A (en) | 2025-01-02 | 2025-01-02 | A self-cleaning device and method suitable for sewage pipe deposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119801113A true CN119801113A (en) | 2025-04-11 |
Family
ID=95267553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510001289.7A Pending CN119801113A (en) | 2025-01-02 | 2025-01-02 | A self-cleaning device and method suitable for sewage pipe deposition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119801113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119981236A (en) * | 2025-04-16 | 2025-05-13 | 中国市政工程华北设计研究总院有限公司 | A sewage pipe network sedimentation control system and method based on flow rate segmentation enhancement |
-
2025
- 2025-01-02 CN CN202510001289.7A patent/CN119801113A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119981236A (en) * | 2025-04-16 | 2025-05-13 | 中国市政工程华北设计研究总院有限公司 | A sewage pipe network sedimentation control system and method based on flow rate segmentation enhancement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201276718Y (en) | Rainwater collecting and recycling system on building roofing | |
| CN211421194U (en) | Green ecological self-drainage anti-floating device for sloping field building | |
| CN108797756A (en) | Rain penetration purifies savings system in a kind of landscape planting | |
| CN119801113A (en) | A self-cleaning device and method suitable for sewage pipe deposition | |
| CN211948651U (en) | Comprehensive recovery and utilization system of green construction water resources on construction site | |
| CN206256510U (en) | A kind of new building drainage system against rain | |
| AU2021101264A4 (en) | A foundation pit drainage system for flood control | |
| CN209429194U (en) | Rainwater recycling system based on clean energy | |
| CN215855702U (en) | Glass fiber reinforced plastic septic tank | |
| CN110180255A (en) | A kind of wastewater recycling system | |
| CN107585952B (en) | Sewage treatment device and sewage treatment process thereof | |
| CN214734617U (en) | Compact gravity type uniform water distribution device of underground sewage plant | |
| CN110700374A (en) | Ecological water bank with river-following pollution self-control function | |
| CN206529878U (en) | A kind of municipal drainage community storm detention tank | |
| CN115745257A (en) | Zero-emission recycling sewage collection and treatment system and method | |
| CN118581964B (en) | Deposition flushing system and method for regulating and accumulating by utilizing district water collecting well | |
| CN112897614A (en) | Compact gravity type uniform water distribution device and water distribution method for underground sewage plant | |
| CN108316400A (en) | A kind of villa rainwater cyclic utilization system | |
| CN210331937U (en) | Waste water recycling system | |
| CN106698659A (en) | Expressway service area sewage comprehensive treatment device | |
| CN207672711U (en) | A kind of equipment recycling clout in drag pump pump line | |
| CN207210214U (en) | A kind of sewage-treatment plant | |
| CN219430967U (en) | Drainage ditch for intercepting sediment at tail end | |
| CN219100260U (en) | A prefabricated rainwater inspection well | |
| CN219261289U (en) | Sewage collecting well suitable for operation space limited culvert drainage port |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |