CN102699648B - Method for producing roll-bond evaporator - Google Patents
Method for producing roll-bond evaporator Download PDFInfo
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- CN102699648B CN102699648B CN201210210389.3A CN201210210389A CN102699648B CN 102699648 B CN102699648 B CN 102699648B CN 201210210389 A CN201210210389 A CN 201210210389A CN 102699648 B CN102699648 B CN 102699648B
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Abstract
The invention belongs to the field of evaporators, and in particular relates to a method for producing a roll-bond evaporator. The method comprises the following steps of: annealing an aluminum plate, brushing by using a roller, printing, covering by using a plate, performing hot rolling, huffing, injecting powder, performing drying solidification and the like to form the roll-bond evaporator. The roll-bond evaporator produced by the method is high in thermal conversion efficiency, high in production efficiency, high in automation degrees of production lines and low in cost and has long service life.
Description
Technical field
The invention belongs to evaporator applications, specifically a kind of production method of inflation type evaporator.
Background technology
Evaporimeter is parts very important in the large part of refrigeration four, the condensed gas of low temperature passes through evaporimeter, heat exchange is carried out with the air in the external world, liquefaction heat absorption, reach the effect of refrigeration, but with regard to existing simple gate refrigerator, because it adopts more type to be inflation type evaporator, refrigerant often produces very large noise when flowing.
If existing inflation type evaporator form uses the method increasing secondary capillary buffering and flaring mouth to reduce the noise of refrigerant, but, it is too complicated that such structure can make connecting pipe length strengthen, then existing production line balance demand can not often be adapted to when production causes assembling, the production technology cycle of especially existing inflation type evaporator is long, manufacturing cost is high, and the stability of product quality is not high.
Summary of the invention
The problem to be solved in the present invention how to produce good airproof performance, inflation type evaporator that thermal conversion efficiency is high, provides a kind of production method of inflation type evaporator.
The invention provides following technical scheme:
The production method of inflation type evaporator, it comprises the steps:
A, annealed by the aluminium sheet after cutting, the temperature of annealing is 470 DEG C-510 DEG C, and the time is 7h-8h, then normal temperature cooling;
B, by aluminium sheet unhairing machine roller brush aluminium sheet by aluminium sheet hacking, make aluminium sheet wherein one side there is roughness;
C, carry out printing graphite in the one side that aluminium sheet is coarse, form graphite circuit in surface of aluminum plate, then enter drying tunnel and dry, the temperature of drying tunnel is 120 DEG C-150 DEG C, and the time is 3min-5min;
Surface d, aluminium sheet after the drying with graphite is covered one deck aluminium sheet and is formed double-deck aluminium sheet, and then put into continuous oven heating 48min-52min, temperature is 555 DEG C-585 DEG C;
E, prolong swaging become multiple aluminium sheet to carrying out hot rolling from continuous oven double-deck aluminium sheet out, on double-deck aluminium sheet, drench cooling fluid while pressure is prolonged in hot rolling and cool;
F, anneal to multiple aluminium sheet, temperature is 410 DEG C-450 DEG C, and the time is 3.5h-4.5h;
G, aligned by level(l)ing machine the multiple aluminium sheet after annealing, then carry out boring the fabrication hole of air blowing, fabrication hole is on graphite circuit;
H, by fabrication hole to carrying out inflation, inflation gas is nitrogen, and air pressure is 8-10MPa, the aluminium sheet on graphite circuit is heaved on multiple aluminium sheet, forms pipeline, then cuts out forming the multiple aluminium sheet of pipeline;
I, die-cut to the multiple aluminium sheet after cutting out, the inflation aperture place welding connecting tube then on pipeline, forms evaporimeter blank;
J, evaporimeter blank once to be hunted leak, check air-tightness, then carry out after surface removes the process of greasy dirt impurity, and pass through clean water;
K, evaporimeter blank carried out to surface passivating treatment and form diaphragm, then carry out secondary leak detection;
L, carry out drying and processing to evaporimeter blank, bake out temperature is 150 DEG C-170 DEG C, and the time is 18min-20min; Automatic coating is carried out in oven dry, dusts at evaporimeter blank surface, baking and curing again after dusting, and temperature is 145 DEG C-235 DEG C, and the time is 23min-25min;
M, inject the nitrogen of 0.2MPa at evaporimeter blank, form inflation type evaporator.
Described inflation type evaporator also needs to carry out appearance test and packaging.
The inflation type evaporator thermal conversion efficiency that the present invention produces is high, long service life, and production efficiency is high, and production line automation degree is high, and cost is low.
Detailed description of the invention
The production method of inflation type evaporator, it comprises the steps:
A, annealed by the aluminium sheet after cutting, the temperature of annealing is 470 DEG C DEG C, and the time is 8h, then normal temperature cooling; In this step, annealing temperature also can be 480 DEG C, 490 or 500, and the time also can be 7h or 7.5h, and the greasy dirt of surface of aluminum plate is mainly removed in annealing.
B, by aluminium sheet unhairing machine roller brush aluminium sheet by aluminium sheet hacking, make aluminium sheet wherein one side there is roughness;
C, carry out printing graphite in the one side that aluminium sheet is coarse, form graphite circuit in surface of aluminum plate, then enter drying tunnel and dry, the temperature of drying tunnel is 120 DEG C, and the time is 3min; This mode of printing is automatic printing, and the temperature of drying tunnel can be 130 DEG C or 150 DEG C, and the time of oven dry can be 4min or 5min.
Surface d, aluminium sheet after the drying with graphite is covered one deck aluminium sheet and is formed double-deck aluminium sheet, and then put into continuous oven heating 48min-52min, be generally 50min, temperature is 555 DEG C-585 DEG C, is generally 570 DEG C;
E, prolong pressure make double-deck aluminium sheet become long thin multiple aluminium sheet to carrying out hot rolling from continuous oven double-deck aluminium sheet out, on double-deck aluminium sheet, drench cooling fluid while pressure is prolonged in hot rolling and cool;
F, anneal to multiple aluminium sheet, temperature is 410 DEG C-450 DEG C, and be generally 430 DEG C, the time is 3.5h-4.5h, is generally 4h;
G, aligned by level(l)ing machine the multiple aluminium sheet after annealing, then carry out boring the fabrication hole of air blowing, fabrication hole is on graphite circuit;
H, by fabrication hole to carrying out inflation, inflation gas is nitrogen, and air pressure is 8-10MPa, is generally 9MPa, the aluminium sheet on graphite circuit is heaved on multiple aluminium sheet, forms pipeline, then cuts out forming the multiple aluminium sheet of pipeline;
I, die-cut to the multiple aluminium sheet after cutting out, rush installing hole, the inflation aperture place welding connecting tube then on pipeline, form evaporimeter blank;
J, evaporimeter blank once to be hunted leak, leak detection evaporimeter blank is put into water to lead to Compressed Gas at the mouth of pipe and detect, check air-tightness, then after carrying out the process of surface removing greasy dirt impurity, removing oily waste treatment adopts the JH-51 type aluminic acid precipitation liquid of Changzhou Junhe Technology Co., Ltd. of Jiangsu Province's Changzhou production to clean, and then passes through clean water;
K, evaporimeter blank carried out to surface passivating treatment and form diaphragm, Passivation Treatment is that the JH-43 type aluminium film forming agent solution that Changzhou Junhe Technology Co., Ltd. evaporimeter blank being put into Jiangsu Province's Changzhou produces carries out, and then carries out secondary leak detection;
L, carry out drying and processing to evaporimeter blank, bake out temperature is 150 DEG C-170 DEG C, and the time is 18min-20min; Automatic coating is carried out in oven dry, dusts at evaporimeter blank surface, and dusting is spray the powder that main component is epoxy resin, and also comprise curing agent etc., enhancing anti-corrosive properties of dusting, increase the service life; Baking and curing again after dusting, temperature is 145 DEG C-235 DEG C, and the time is 23min-25min;
M, inject the nitrogen of 0.2MPa at evaporimeter blank, form inflation type evaporator.
Then, inflation type evaporator carries out appearance test and packaging.
Claims (2)
1. the production method of inflation type evaporator, it comprises the steps:
A, annealed by the aluminium sheet after cutting, the temperature of annealing is 470 DEG C-510 DEG C, and the time is 7h-8h, then normal temperature cooling;
B, by aluminium sheet unhairing machine roller brush aluminium sheet by aluminium sheet hacking, make aluminium sheet wherein one side there is roughness;
C, carry out printing graphite in the one side that aluminium sheet is coarse, form graphite circuit in surface of aluminum plate, then enter drying tunnel and dry, the temperature of drying tunnel is 120 DEG C-150 DEG C, and the time is 3min-5min;
Surface d, aluminium sheet after the drying with graphite is covered one deck aluminium sheet and is formed double-deck aluminium sheet, and then put into continuous oven heating 48min-52min, temperature is 555 DEG C-585 DEG C;
E, prolong swaging become multiple aluminium sheet to carrying out hot rolling from continuous oven double-deck aluminium sheet out, on double-deck aluminium sheet, drench cooling fluid while pressure is prolonged in hot rolling and cool;
F, anneal to multiple aluminium sheet, temperature is 410 DEG C-450 DEG C, and the time is 3.5h-4.5h;
G, aligned by level(l)ing machine the multiple aluminium sheet after annealing, then carry out boring the fabrication hole of air blowing, fabrication hole is on graphite circuit;
H, by fabrication hole to carrying out inflation, inflation gas is nitrogen, and air pressure is 8-10MPa, the aluminium sheet on graphite circuit is heaved on multiple aluminium sheet, forms pipeline, then cuts out forming the multiple aluminium sheet of pipeline;
I, die-cut to the multiple aluminium sheet after cutting out, the inflation aperture place welding connecting tube then on pipeline, forms evaporimeter blank;
J, evaporimeter blank once to be hunted leak, check air-tightness, then carry out after surface removes the process of greasy dirt impurity, and pass through clean water;
K, evaporimeter blank carried out to surface passivating treatment and form diaphragm, then carry out secondary leak detection;
L, carry out drying and processing to evaporimeter blank, bake out temperature is 150 DEG C-170 DEG C, and the time is 18min-20min; Automatic coating is carried out in oven dry, dusts at evaporimeter blank surface, baking and curing again after dusting, and temperature is 145 DEG C-235 DEG C, and the time is 23min-25min;
M, inject the nitrogen of 0.2MPa at evaporimeter blank, form inflation type evaporator.
2. the production method of inflation type evaporator according to claim 1, is characterized in that: described inflation type evaporator also needs to carry out appearance test and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210389.3A CN102699648B (en) | 2012-06-25 | 2012-06-25 | Method for producing roll-bond evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210389.3A CN102699648B (en) | 2012-06-25 | 2012-06-25 | Method for producing roll-bond evaporator |
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| Publication Number | Publication Date |
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| CN102699648A CN102699648A (en) | 2012-10-03 |
| CN102699648B true CN102699648B (en) | 2015-03-25 |
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| CN201210210389.3A Active CN102699648B (en) | 2012-06-25 | 2012-06-25 | Method for producing roll-bond evaporator |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104625668A (en) * | 2014-12-16 | 2015-05-20 | 苏州市瑞泰克机电有限公司 | Manufacturing method of blown-up evaporator |
| CN104874987A (en) * | 2015-06-29 | 2015-09-02 | 中机西南能源科技有限公司 | Machining technology for falling film evaporation heat exchange plate with turbulent flow channel |
| CN109361037A (en) * | 2018-11-07 | 2019-02-19 | 凌云工业股份有限公司上海凌云汽车研发分公司 | New energy car battery packet liquid cooling plate rises type forming method and fluid tight detection method |
| CN109807247A (en) * | 2018-12-14 | 2019-05-28 | 宁波信泰机械有限公司 | A kind of battery case aluminium alloy inflation type water cooling board production technology |
| CN110918753A (en) * | 2019-10-23 | 2020-03-27 | 河南科隆集团有限公司 | Expansion die for single-side blown-expansion evaporator and processing technology |
| CN114346626A (en) * | 2021-12-14 | 2022-04-15 | 常州市常蒸蒸发器有限公司 | Production method of roll-bond evaporator for new energy equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5217779A (en) * | 1978-11-04 | 1980-05-15 | A.G. Kabel-Und Metallwerke Gutehoffnungshutte | Producing a flat heat-exchanger from sheet metal |
| CN2898054Y (en) * | 2006-03-24 | 2007-05-09 | 江苏常发实业集团有限公司 | Continuous annealing apparatus for expanded aluminum plate |
| CN101396790A (en) * | 2007-10-05 | 2009-04-01 | 奚啸谷 | Production method of aluminum-aluminum composite inflation type pipeline board |
| CN101972926A (en) * | 2010-09-30 | 2011-02-16 | 无锡银邦铝业有限公司 | Multilayer composite belt for brazing type heat exchanger and manufacturing method thereof |
-
2012
- 2012-06-25 CN CN201210210389.3A patent/CN102699648B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5217779A (en) * | 1978-11-04 | 1980-05-15 | A.G. Kabel-Und Metallwerke Gutehoffnungshutte | Producing a flat heat-exchanger from sheet metal |
| CN2898054Y (en) * | 2006-03-24 | 2007-05-09 | 江苏常发实业集团有限公司 | Continuous annealing apparatus for expanded aluminum plate |
| CN101396790A (en) * | 2007-10-05 | 2009-04-01 | 奚啸谷 | Production method of aluminum-aluminum composite inflation type pipeline board |
| CN101972926A (en) * | 2010-09-30 | 2011-02-16 | 无锡银邦铝业有限公司 | Multilayer composite belt for brazing type heat exchanger and manufacturing method thereof |
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| CN102699648A (en) | 2012-10-03 |
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