CN106584045A - Production process for plate heat exchanger - Google Patents
Production process for plate heat exchanger Download PDFInfo
- Publication number
- CN106584045A CN106584045A CN201710102805.0A CN201710102805A CN106584045A CN 106584045 A CN106584045 A CN 106584045A CN 201710102805 A CN201710102805 A CN 201710102805A CN 106584045 A CN106584045 A CN 106584045A
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- China
- Prior art keywords
- heat exchanger
- plate
- solder layer
- temperature
- exchanger plates
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a production process for a plate heat exchanger. The production process is characterized by comprising the following steps of base plate treatment, base plate cutting, punch forming, punching and trimming, cleaning and drying, assembling, welding, pressure testing and packing; in the welding step, the obtained heat exchange plate set is put into a vacuum furnace and is welded at a high temperature; and after the high-temperature welding is completed, heating is stopped, and the heat exchange plate set which is welded into an integrated structure is kept in the vacuum furnace in a sealed manner and is cooled along with temperature reduction of the vacuum furnace, so that the heat exchange plate set is cooled in the vacuum environment, and accident situations such as the color change are avoided; and in the pressure testing process, the heat exchange plate set is put in the environment under the pressure of 2-3 MPa and subjected to a pressure bearing test. The production process for the plate heat exchanger is concise and efficient, the use strength and the service life of the plate heat exchanger can be guaranteed to the maximum extent, especially for rigid control over welding preparation and conditions, the process is safe and efficient, the quality is excellent, and the high-pressure test is conducted, so that the quality of products is further guaranteed, and the production process is worthy of popularization.
Description
Technical field
The invention belongs to heat exchanger processing field, more particularly to a kind of plate type heat exchanger production technology.
Background technology
With the progress of science and technology, for the conversion requirement more and more higher of energy, existing heat exchanger is usually because weldering for people
Connect control it is inadequate the reason for there is not pressure-resistant corrosion-resistant, the shortcomings of service life is short, people need badly and find better method to enter
Row is solved.
The content of the invention
For the problem that presently, there are, the invention provides a kind of rigorous, quality of finished product good the plate type heat exchanger life of control
Production. art.
The present invention is achieved through the following technical solutions：
A kind of plate type heat exchanger production technology, comprises the steps：
A, processing substrate：It is sheet that the selection of plate is rustless steel, nickel-base alloy or the industrially pure titanium of 0.2-1.2mm
Material, the composite brazing solder layer on the one or both sides surface of plate；When brazing solder layer is elemental metals layer, by plating
Mode is electroplated to elemental metals on plate；When brazing solder layer is alloy-layer, alloy-layer is attached on plate；
B, substrate cut：The plate of compound upper brazing solder layer is cut into into the heat exchanger plates base material flat board of dimension；
C, punch forming：Upper brazing solder layer will be combined in step b and the heat exchanger plates base material flat board that cuts using connect knife,
Positioning and centering technology, then by several times the continuous compressing surface that obtains has herringbone corrugated heat-exchange plate using imposite；
D, punching trimming：Heat exchanger plates after molding are punched so that form through hole thereon, and by the remnants at heat exchanger plates edge
Material is removed；
E, cleaning, drying：The heat exchange board finished product clear water that the production of step d is obtained is cleaned up repeatedly, and in room temperature condition
It is lower to dry naturally or carry out heating drying into drying oven；
F, assembling：Heat exchanger plates superposition is compressed and constitutes plate package；
G, welding：The plate package obtained in step f is put in vacuum drying oven carries out high-temperature soldering, and high-temperature soldering terminates
Afterwards, stop heating and an integrally-built plate package sealing reservation will be formed by welding in a vacuum furnace with the cooling of vacuum drying oven
Cooled down, so that it is cooled down in vacuum environment, the unexpected situations such as discoloration will not be occurred；
H, pressure testing：Plate package is placed under 2-3MPa carries out pressure bearing experiment；
I, packaging：Shipment will be waited after the plate package of pressure testing is packed.
Preferably, in step a, the liquidus temperature of brazing solder layer is less than the solidus of heat exchanger plates base material flat board
Temperature, so that in heating process, when brazing solder layer is in fused solution, heat exchanger plates base material flat board is still in solid-state.
Preferably, when the substrate is rustless steel, first carrying out surface anticorrosion process to it.
More preferably, the preservative treatment is comprised the steps of：First substrate is carried out to be cleaned with clear water, is removed attached above
The curing material impurity, then blasting treatment is carried out, then with one layer of chromium carbide coating of HVAF, at sandblasting
Supersonic flame spraying operation is carried out after reason in 3～4 hours, workpiece surface temperature is at least than dew during supersonic flame spraying operation
Point temperature is high 3～5 degrees Celsius.
Compared with prior art, the method have the advantages that：
The plate type heat exchanger concise production process of the present invention effectively, can to greatest extent ensure the use intensity of plate type heat exchanger
And life-span, the strict control of preparation and condition particularly with welding, safe and efficient, good quality, horizontal high voltage of going forward side by side test, make
Obtain product quality to be further guaranteed, be worthy to be popularized.
Specific embodiment
A kind of plate type heat exchanger production technology, it is characterised in that comprise the steps：
A, processing substrate：It is sheet that the selection of plate is rustless steel, nickel-base alloy or the industrially pure titanium of 0.2-1.2mm
Material, the composite brazing solder layer on the one or both sides surface of plate；When brazing solder layer is elemental metals layer, by plating
Mode is electroplated to elemental metals on plate；When brazing solder layer is alloy-layer, alloy-layer is attached on plate；
B, substrate cut：The plate of compound upper brazing solder layer is cut into into the heat exchanger plates base material flat board of dimension；
C, punch forming：Upper brazing solder layer will be combined in step b and the heat exchanger plates base material flat board that cuts using connect knife,
Positioning and centering technology, then by several times the continuous compressing surface that obtains has herringbone corrugated heat-exchange plate using imposite；
D, punching trimming：Heat exchanger plates after molding are punched so that form through hole thereon, and by the remnants at heat exchanger plates edge
Material is removed；
E, cleaning, drying：The heat exchange board finished product clear water that the production of step d is obtained is cleaned up repeatedly, and in room temperature condition
It is lower to dry naturally or carry out heating drying into drying oven；
F, assembling：Heat exchanger plates superposition is compressed and constitutes plate package；
G, welding：The plate package obtained in step f is put in vacuum drying oven carries out high-temperature soldering, and high-temperature soldering terminates
Afterwards, stop heating and an integrally-built plate package sealing reservation will be formed by welding in a vacuum furnace with the cooling of vacuum drying oven
Cooled down, so that it is cooled down in vacuum environment, the unexpected situations such as discoloration will not be occurred；
H, pressure testing：Plate package is placed under 2-3MPa carries out pressure bearing experiment；
I, packaging：Shipment will be waited after the plate package of pressure testing is packed.
In step a, the liquidus temperature of brazing solder layer is less than the solidus temperature of heat exchanger plates base material flat board, so as to
So that in heating process, when brazing solder layer is in fused solution, heat exchanger plates base material flat board is still in solid-state.
When the substrate is rustless steel, first surface anticorrosion process is carried out to it.
The preservative treatment is comprised the steps of：First substrate is carried out to be cleaned with clear water, consolidating of adhering to above is removed
Compound material impurity, then blasting treatment is carried out, then with one layer of chromium carbide coating of HVAF, 3 after blasting treatment
Supersonic flame spraying operation is carried out in～4 hours, workpiece surface temperature is at least than dew point temperature during supersonic flame spraying operation
Spend high 3～5 degrees Celsius.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, all should be included within the scope of the present invention.
Claims (4)
1. a kind of plate type heat exchanger production technology, it is characterised in that comprise the steps：
A, processing substrate：It is plate material sheet that the selection of plate is rustless steel, nickel-base alloy or the industrially pure titanium of 0.2-1.2mm,
Composite brazing solder layer on the one or both sides surface of plate；When brazing solder layer is elemental metals layer, by plating mode
Elemental metals are electroplated on plate；When brazing solder layer is alloy-layer, alloy-layer is attached on plate；
B, substrate cut：The plate of compound upper brazing solder layer is cut into into the heat exchanger plates base material flat board of dimension；
C, punch forming：The heat exchanger plates base material flat board for upper brazing solder layer being combined in step b and cut is utilized and connects knife, positioning
With centering technology, then by several times the continuous compressing surface that obtains has herringbone corrugated heat-exchange plate using imposite；
D, punching trimming：Heat exchanger plates after molding are punched so that form through hole thereon, and the heels at heat exchanger plates edge is clear
Remove；
E, cleaning, drying：The heat exchange board finished product clear water that the production of step d is obtained is cleaned up repeatedly, and at ambient temperature certainly
So dry or carry out heating drying into drying oven；
F, assembling：Heat exchanger plates superposition is compressed and constitutes plate package；
G, welding：The plate package obtained in step f is put in vacuum drying oven carries out high-temperature soldering, after high-temperature soldering terminates, stops
Only heat and will be formed by welding an integrally-built plate package sealing to retain in a vacuum furnace as the cooling of vacuum drying oven is carried out
Cooling, so that it is cooled down in vacuum environment, will not occur the unexpected situations such as discoloration；
H, pressure testing：Plate package is placed under 2-3MPa carries out pressure bearing experiment；
I, packaging：Shipment will be waited after the plate package of pressure testing is packed.
2. plate type heat exchanger production technology according to claim 1, it is characterised in that in step a, brazing solder layer
Liquidus temperature less than heat exchanger plates base material flat board solidus temperature so that in heating process, at brazing solder layer
When fused solution, heat exchanger plates base material flat board is still in solid-state.
3. plate type heat exchanger production technology according to claim 1, it is characterised in that when the substrate is rustless steel, first
Surface anticorrosion process is carried out to it.
4. plate type heat exchanger production technology according to claim 3, it is characterised in that the preservative treatment includes following step
Suddenly：First substrate is carried out to be cleaned with clear water, the curing material impurity for adhering to above is removed, then carries out blasting treatment, then
With one layer of chromium carbide coating of HVAF, HVAF work is carried out after blasting treatment in 3～4 hours
Industry, workpiece surface temperature is at least high than dew point temperature 3～5 degrees Celsius during supersonic flame spraying operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102805.0A CN106584045A (en) | 2017-02-24 | 2017-02-24 | Production process for plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102805.0A CN106584045A (en) | 2017-02-24 | 2017-02-24 | Production process for plate heat exchanger |
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| Publication Number | Publication Date |
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| CN106584045A true CN106584045A (en) | 2017-04-26 |
Family
ID=58588036
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710102805.0A Pending CN106584045A (en) | 2017-02-24 | 2017-02-24 | Production process for plate heat exchanger |
Country Status (1)
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| CN (1) | CN106584045A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214237A (en) * | 2017-06-30 | 2017-09-29 | 江阴市哈格诺换热设备有限公司 | Heat exchanger plate automatic stamping production equipment and its production technology |
| CN107322251A (en) * | 2017-07-17 | 2017-11-07 | 中国电子科技集团公司第五十四研究所 | A kind of production technology of aluminium alloy microchannel heat sink |
| CN107443035A (en) * | 2017-08-25 | 2017-12-08 | 特能热交换科技（中山）有限公司 | A kind of production technology for making radiator |
| CN108088300A (en) * | 2018-02-23 | 2018-05-29 | 江苏宝得换热设备股份有限公司 | A kind of block fluid distributor and its manufacturing method |
| CN108515250A (en) * | 2018-03-28 | 2018-09-11 | 江苏宝得换热设备股份有限公司 | A kind of plate heat exchanger nickel soldering production technology |
| CN109664081A (en) * | 2017-10-17 | 2019-04-23 | 耿昌明 | A kind of stainless steel end face docking seamless-molding technique |
| CN111197937A (en) * | 2018-11-16 | 2020-05-26 | 中国科学院工程热物理研究所 | Heat exchanger and manufacturing method thereof |
| CN113182789A (en) * | 2021-05-10 | 2021-07-30 | 江苏通盛换热器有限公司 | Production process of train heat exchanger |
| CN113782860A (en) * | 2021-11-17 | 2021-12-10 | 江铃汽车股份有限公司 | Liquid cooling plate with anti-sticking agent sprayed on surface, spraying method and battery pack |
| CN115008142A (en) * | 2022-04-27 | 2022-09-06 | 宁波福至新材料有限公司 | Preparation method of core plate of printed plate heat exchanger |
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| CN101598519A (en) * | 2009-06-24 | 2009-12-09 | 江西恒大高新技术股份有限公司 | Process for resisting corrosion and wear of heat exchange plates of wide-runner plate heat exchangers |
| CN101716718A (en) * | 2009-09-17 | 2010-06-02 | 无锡方盛换热器制造有限公司 | Manufacturing method of aluminum plate-fin heat exchanger |
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| CN105737646A (en) * | 2016-03-11 | 2016-07-06 | 江苏远卓设备制造有限公司 | Plate heat exchanger and manufacturing technology thereof |
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2017
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| CN101598519A (en) * | 2009-06-24 | 2009-12-09 | 江西恒大高新技术股份有限公司 | Process for resisting corrosion and wear of heat exchange plates of wide-runner plate heat exchangers |
| CN101716718A (en) * | 2009-09-17 | 2010-06-02 | 无锡方盛换热器制造有限公司 | Manufacturing method of aluminum plate-fin heat exchanger |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214237A (en) * | 2017-06-30 | 2017-09-29 | 江阴市哈格诺换热设备有限公司 | Heat exchanger plate automatic stamping production equipment and its production technology |
| CN107322251A (en) * | 2017-07-17 | 2017-11-07 | 中国电子科技集团公司第五十四研究所 | A kind of production technology of aluminium alloy microchannel heat sink |
| CN107322251B (en) * | 2017-07-17 | 2019-10-22 | 中国电子科技集团公司第五十四研究所 | A kind of production technology of aluminium alloy microchannel heat sink |
| CN107443035A (en) * | 2017-08-25 | 2017-12-08 | 特能热交换科技（中山）有限公司 | A kind of production technology for making radiator |
| CN109664081A (en) * | 2017-10-17 | 2019-04-23 | 耿昌明 | A kind of stainless steel end face docking seamless-molding technique |
| CN108088300A (en) * | 2018-02-23 | 2018-05-29 | 江苏宝得换热设备股份有限公司 | A kind of block fluid distributor and its manufacturing method |
| CN108088300B (en) * | 2018-02-23 | 2021-06-11 | 江苏宝得换热设备股份有限公司 | Bulk fluid dispenser and method of making same |
| WO2019161657A1 (en) * | 2018-02-23 | 2019-08-29 | 江苏宝得换热设备股份有限公司 | Block fluid distributor and manufacturing method therefor |
| CN108515250B (en) * | 2018-03-28 | 2020-05-22 | 江苏宝得换热设备股份有限公司 | Nickel brazing production process for plate heat exchanger |
| CN108515250A (en) * | 2018-03-28 | 2018-09-11 | 江苏宝得换热设备股份有限公司 | A kind of plate heat exchanger nickel soldering production technology |
| CN111197937A (en) * | 2018-11-16 | 2020-05-26 | 中国科学院工程热物理研究所 | Heat exchanger and manufacturing method thereof |
| CN113182789A (en) * | 2021-05-10 | 2021-07-30 | 江苏通盛换热器有限公司 | Production process of train heat exchanger |
| CN113782860A (en) * | 2021-11-17 | 2021-12-10 | 江铃汽车股份有限公司 | Liquid cooling plate with anti-sticking agent sprayed on surface, spraying method and battery pack |
| CN113782860B (en) * | 2021-11-17 | 2023-11-07 | 江铃汽车股份有限公司 | Liquid cooling plate with anti-sticking agent sprayed on surface, spraying method and battery pack |
| CN115008142A (en) * | 2022-04-27 | 2022-09-06 | 宁波福至新材料有限公司 | Preparation method of core plate of printed plate heat exchanger |
| CN115008142B (en) * | 2022-04-27 | 2024-05-03 | 宁波福至新材料有限公司 | Preparation method of core plate of printed plate type heat exchanger |
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Application publication date: 20170426 |
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