CN1019361B - Manufacturing method of aluminium tube plate type heat exchanger - Google Patents
Manufacturing method of aluminium tube plate type heat exchangerInfo
- Publication number
- CN1019361B CN1019361B CN 89105150 CN89105150A CN1019361B CN 1019361 B CN1019361 B CN 1019361B CN 89105150 CN89105150 CN 89105150 CN 89105150 A CN89105150 A CN 89105150A CN 1019361 B CN1019361 B CN 1019361B
- Authority
- CN
- China
- Prior art keywords
- aluminium
- tube
- heat exchanger
- inflation
- mould
- 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.)
- Expired
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000004411 aluminium Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims description 26
- 230000004907 flux Effects 0.000 claims description 15
- 229910000679 solder Inorganic materials 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000003550 marker Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 3
- 238000000465 moulding Methods 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 2
- 238000007664 blowing Methods 0.000 abstract 4
- 239000003566 sealing material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000002788 crimping Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000000137 annealing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention relates to a manufacturing method and an apparatus of an aluminium-tube plate heat exchanger. In the present invention, after two layers of aluminium sheets are combined by rolling, the combined surfaces are separated by blowing compressed air or liquid in a temperature-controllable mould with a mold cavity tube line, and the aluminium sheets are blown into a tube line as required. Before expansion by blowing, the position of the blowing port can be determined according to marks, and the combined surfaces of blowing port can be conveniently separated. The tube plate manufactured by the method has good uniformity and regular appearance, and one controllable face of the tube line section is plane or partly plane; thereby, the aluminium-tube plate heat exchanger of which one face has a convex tube line or both faces have convex tube lines is obtained, and the mouth piece of the tube nozzle of the aluminium-tube plate heat exchanger is provided with a sealing material.
Description
The present invention relates to the manufacture method of aluminium tube plate type heat exchanger.
The evaporimeter that refrigerator is used do heat exchange, its structure have the copper pipe system of simmering, aluminum pipe glue, be embedded on the aluminium sheet etc.It is low that these several structures are made efficient, and reason application quantities such as cost height are little.The aluminum pipe plate output that the rolling composite inflation of employing printing pipeline that occurred in recent years is shaped is maximum, and majority is used in household electric refrigerator, reach in freezer is made evaporimeter and used.Its manufacturing process is seen 18 pages of (pre-test of evaporimeter printing pipeline Diffusion Welding normal temperature blowing-up technology) " household electrical appliance science and technology " 85 years the 4th phases, and national household electrical appliance industrial technology information station publishes.The tube-sheet type heat exchanger that this technology is made, main not enough point is:
1. the blanket that prints solder flux only causes the tube sheet that is blown into shape after compound because of blanket thickness error, rolling mill precision, operating personnel's reasons such as condition in compound, its pipeline form error is very big, especially error in length, the meeting that has influence assembling, uniformity is bad.
2. the inflation of this technology is that schematic diagram 1 is seen in the inflation shaping between press working face (or mould of two flat boards), the above and below has spacing, all the other positions freely dilate, because of ending the error of solder flux area change in rolling, composite surface intensity inequality does not wait inflation pipeline cross section, and the crooked profile of pipeline is bad.
3. quick-frozen foods is effective greatly with the evaporimeter contact area in direct cooling refrigerator, and the evaporimeter of this technology manufacturing does not have large-area plane, is that line contacts with Flat bottom container, causes heat conduction bad.
4. in service at refrigerator, cold-producing medium circulation and the lubricating oil that has with circulation can cause obstruction capillaceous washing away attached to the solder flux that ends on the tube wall.
5. when inflation, meet only solder flux mark of break, inequality and blow when obstructed, strengthen that inflation power can appear at plane of structure or blow open and cause waste product in other position.
6. tube sheet and capillary pressure are connected on B portion (see figure 2) and leakage situation can occur because of the aluminium corner is difficult for being full of.
This technology makes yield rate not high because of the 1st, 2,5,6 reason.
The aluminium tube plate type heat exchanger manufacturing process of the objective of the invention is to provide a kind of yield rate height, profile unanimity, pipeline is regular, size is accurate, large-area planar is arranged, ferrule is good, the interior nothing of pipeline is ended solder flux.
Content of the present invention is:
1. aluminium sheet is compound is crowded broken the oxide-film of blanket composite surface by plastic deformation, exposes the distance that pure metallic atom reaches gravitational force between atoms, is accompanied by to spread between atom two plates are linked into an integrated entity.But the intensity of composite surface generally always is less than the non-composite surface tensile strength of aluminium sheet under compound intact annealed condition.
When clad aluminium, with the deformation values of control composite plate, deformation velocity, the high and low tensile strength of controlling composite surface of heating of the blanket before compound, the intensity of control composite surface is greater than aluminum pipe plate air seal test intensity.Composite plate is put into the mould of temperature control and is used greater than aluminium sheet composite surface intensity, blows composite surface open less than the Compressed Gas or the liquid of aluminium sheet tensile strength, and the shape of its pipeline, size, precision are mainly determined by mould.
The cold-producing medium F-12 commonly used with refrigerator is example: the equalizing pressure when its refrigeration system is not worked is below 0.4 MPa.Refrigerator factory generally is decided to be the 0.8-1.6 MPa to the leak test pressure of aluminum pipe plate evaporimeter, makes the aluminum pipe plate and uses the annealed condition tensile strength of aluminium generally in the 80-120 MPa.
When selecting the gas inflation for use, the pressed gas of 15-20 MPa more easily obtains, and surpasses the too many gas compressing equipment costliness of this pressure, and the method that can adopt the container that is equipped with under certain gas pressure to be pressed into liquid again improves the intensity that gas pressure blows composite surface open.In addition, the way of reduction inflation gas pressure is that mould is heated.
2. the processing range of choosing:
Blow pressure 4-70 MPa
Aluminium sheet composite deformation value 45-85%
Compound heating-up temperature 20-550 ℃
Roll linear velocity 4-50 rice per minute
20-500 ℃ of inflation temperature
Capillary crimping face coating 0.01-0.20 millimeter
Aluminium sheet composite surface before compound should clean moisture, greasy dirt, and the blow pressure of 4-70 MPa is suitable for for 2 millimeters the composite finished product thickness of slab, when composite plate thickening or its highest inflation power of attenuate should increase and decrease in proportion.
3. insert the inflation mouth for ease of separating composite surface when the inflation, scribble only solder flux at inflation mouth composite surface.It is the coordination elongation substantially that aluminium is pulled in rolling extension inside and outside surface, is the position of determining the inflation mouth, is printed on the color marker that has of the same area scribbling to be coated with on the outer surface of solder flux blanket correspondence only.
The inflation mouth also can not be coated with only solder flux, bores 1/2 blind hole of thickness of slab before the inflation at the inflation position, and the inflation mouth presses inflation and sees schematic diagram 6.
4. working face of inflation mould (patrix or counterdie) has recessed pipeline, and another working face is the plane or has the part planar section recessed pipeline to be arranged to adapt to the needs of direct cooling refrigerator.Also can make two working faces all has the air feed cold type heat exchanger of recessed pipeline to use.Mould inside is equipped with heating element heater, can heat when inflation to reduce inflation power, and heating element heater is furnished with adjustable temperature regulating device.
5. be coated with the soft metal of one deck hardness on the outer surface capillaceous of crimping mutually with the aluminum pipe plate, when crimping, utilize the slip of soft metal to add and fill the raising sealing property less than aluminium.
The present invention's advantage compared with prior art is:
1. the shaping of plate pipeline is restricted by mould, so the uniformity of aluminum pipe plate, the precision of pipeline, outward appearance, yield rate all are better than printing pipeline method, also can obtain large-area burnishing surface, can adjust inflation power by the heating of control mould.
2. owing to do not end solder flux in the pipeline, can reduce and stop up phenomenon capillaceous.
3. the underlined definite inflation mouth of inflation mouth position is accurate.
4. capillary seals the reliability raising with being connected because of there being sealant to make of tube sheet.
The present invention illustrates the manufacturing process details by next embodiment, the equipment applicable cases.
Fig. 1. printing pipeline inflation schematic diagram, the upper and lower plate of [1] [2] press, the aluminum pipe plate behind [3] inflation.
Fig. 2. state after capillary and the crimping of aluminum pipe plate, [4] pipeline, [5] composite plate, [6] capillary.
Fig. 3. blanket composite surface inflation mouth scribbles the only schematic diagram of solder flux, and [7] end flux covering, [8] blanket.
Fig. 4. the schematic diagram of one pair of upper mould, [9] heating, [10] insulating barrier, [11] mold, [12] pipeline chamber, [13] inflation mouth.
Fig. 5. the counterdie schematic diagram of no pipeline.
Fig. 6. inflation mouth place does not have the only inflation schematic diagram of solder flux, [14] inflation mouth, [15] patrix, [16] composite plate, [17] counterdie.
Fig. 7. aluminum pipe plate inflation device therefor sketch, [18] input lead and switch, [19] temperature regulating device, [20] mould electric heating input lead, [21] press, [22] patrix, [23] counterdie, [24] composite plate, [25] inflation mouth, [26] valve, [27] air storage, liquid bottles, [28] liquid, [29] safety valve, [30] drain line, [31] in-line, [32] oil tank, [33] high-pressure oil pump, [34] air inlet pipeline, [35] gas compressor.
1. adopt aluminium content greater than 99%, thick 3.2 millimeters aluminium sheets.
2. two plate composite surfaces cleaning back is coated with seal and ends solder flux and see schematic diagram 3 at the inflation position, is coated with that seal is of the same area a color marker ending plate outer surface that solder flux is coated with the face correspondence.
3. two plate composite surfaces stack relatively and heat 360 ℃ of insulations 1 minute in the stove.
4. under 360 ℃ of temperature, send in the milling train of 15 meters per minutes of roll linear velocity and roll into 3.8 millimeters thick, be cold-rolled to 2 millimeters thick (deformation values is 68.8%) again.
5. composite plate is sent into the annealing in 2 hours of the inherent 375 ℃ of constant temperature of cabinet-type electric furnace.
6. to put into temperature be 300 ℃ mould to the plate after the annealing, blows open on pipeline and the channel wall attached to mould with the compressed air of 18 MPas.
7. be inserted in surface that tube sheet contacts on be coated with capillary press seal in pressing mold of 0.04 millimeter lead layer.
Claims (5)
1, the rolling compound double-deck aluminium sheet of a kind of usefulness is made the method for tube-sheet type heat exchanger, it is characterized in that:
A. put into rolling aluminium sheet after compound between the upper and lower mould with pipeline die cavity and insert the inflation mouth;
B. feed pressure fluid from the inflation mouth, in mould pipeline die cavity, blow the composite surface of aluminium sheet open, make the moulding of tube sheet shape heat exchanger;
C. in tube sheet shape heat exchanger, be inserted in surface that tube sheet contacts on be coated with capillary in pressing mold the press seal of one deck hardness less than the soft metal of aluminium.
2,, be used in the heating element heater that is equipped with in the upper and lower mould when it is characterized in that moulding mould is heated by the described method of claim 1.
3,, it is characterized in that moulding carries out at normal temperatures by the described method of claim 1.
4, press claim 1 described method, it is characterized in that above-mentioned pair of aluminium sheet is coated with to end solder flux and to have made color marker in outer surfaces in inflation mouth insert division before compound.
5, press claim 1 described method, it is characterized in that when above-mentioned pressure fluid is gases at high pressure, in gas containers is housed, be pressed into liquid again gas pressure is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89105150 CN1019361B (en) | 1989-08-30 | 1989-08-30 | Manufacturing method of aluminium tube plate type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89105150 CN1019361B (en) | 1989-08-30 | 1989-08-30 | Manufacturing method of aluminium tube plate type heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1049809A CN1049809A (en) | 1991-03-13 |
| CN1019361B true CN1019361B (en) | 1992-12-09 |
Family
ID=4855918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89105150 Expired CN1019361B (en) | 1989-08-30 | 1989-08-30 | Manufacturing method of aluminium tube plate type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1019361B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691962B (en) * | 2009-09-30 | 2013-04-17 | 重庆大学 | Processing molding method of magnesium alloy plate type heat exchanger |
| DE102010031468A1 (en) * | 2010-07-16 | 2012-01-19 | Behr Gmbh & Co. Kg | Fluid channel for a heat exchanger |
| CN102944052A (en) * | 2012-11-09 | 2013-02-27 | 上海交通大学 | Plate type pulsating heat pipe fresh air heat regenerator |
| CN103464966B (en) * | 2013-08-21 | 2016-02-10 | 浙江嘉熙光电设备制造有限公司 | Fine aluminium sheet material single-side blowing-up technology |
| CN103394882B (en) * | 2013-08-27 | 2016-01-20 | 浙江嘉熙光电设备制造有限公司 | The flat blowing-up technology of fine aluminium sheet material double face |
| CN104001803B (en) * | 2014-05-23 | 2016-03-02 | 鄞楠 | Evaporimeter former and forming method thereof |
| CN111435062A (en) * | 2019-01-15 | 2020-07-21 | 常州振声暖通管业有限公司 | Roll-bond liquid cooling heat exchanger and preparation method thereof |
-
1989
- 1989-08-30 CN CN 89105150 patent/CN1019361B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1049809A (en) | 1991-03-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |