CN101898267A - Method for manufacturing aluminum plate-fin heat exchanger - Google Patents
Method for manufacturing aluminum plate-fin heat exchanger Download PDFInfo
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- CN101898267A CN101898267A CN2009101533680A CN200910153368A CN101898267A CN 101898267 A CN101898267 A CN 101898267A CN 2009101533680 A CN2009101533680 A CN 2009101533680A CN 200910153368 A CN200910153368 A CN 200910153368A CN 101898267 A CN101898267 A CN 101898267A
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Abstract
The invention discloses a method for manufacturing an aluminum plate-fin heat exchanger, which comprises the following steps of: (1) cutting: shearing a partition plate, a cover plate and a side plate by using a plate shearer, cutting a seal by using an aluminum saw, and punching a fin and a flow deflector; (2) cleaning: cleaning the sheared partition plate, the cover plate, the side plate and the seal by using acid; (3) assembly: placing a part to be assembled on a clean, oil-free and dried platform or in a position apparatus to perform assembly; and (4) brazing: performing brazing under the condition of strictly controlling the temperature of each stage. The method for manufacturing the aluminum plate-fin heat exchanger improves the brazing quality during brazing the aluminum plate-fin heat exchanger because the brazing is performed under the condition of strictly controlling the temperature of each stage; and practices prove that the method can reduce the sunken defect of a plat-type body.
Description
Technical field
The present invention relates to a kind of manufacture method of aluminum plate-fin heat exchanger.
Background technology
Aluminum plate-fin heat exchanger is because of its characteristics such as efficient, compact, light and handy, be used widely in fields such as petrochemical industry, Aero-Space, electronics, atomic energy, metallurgy and dynamic power machines, and the aspect has obtained remarkable economic efficiency utilizing heat energy, recovery waste heat, energy savings, reduce cost etc.
Existing aluminum plate-fin heat exchanger is made in the production process and mainly had following problem: aluminum plate-fin heat exchanger is sent into after assembling is finished in the vacuum drying oven lead welding and shaping process, in various degree recessed appearred in part board-like body, and recessed amplitude peak reaches 40mm.The value that recessed board-like its length of body occurs is all bigger.Variation has also taken place in the shape that recessed reason is mainly board-like body inner fin in the brazing process, becomes V-arrangement by original U-shaped, and the fin shape change has caused the height of fin to change, referring to Fig. 1.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of manufacture method of aluminum plate-fin heat exchanger is provided.
For this reason, the technical solution adopted in the present invention is:
A kind of manufacture method of aluminum plate-fin heat exchanger comprises the steps:
(1) open material: shear dividing plate, cover plate and side plate with plate shearing machine, with saw aluminium machine cutting strip of paper used for sealing, punching out becomes fin and flow deflector;
(2) clean: will shear good dividing plate, cover plate, side plate and strip of paper used for sealing and carry out pickling;
(3) assembling: with part to be assembled, be placed on oily, the dry platform of clean nothing or in the working position apparatus, assemble;
(4) soldering: control in strictness and carry out soldering under the condition of each phase temperature:
Phase I: 350 ℃-380 ℃ of furnace temperature, temperature retention time 420-450 minute;
Second stage: 450 ℃-490 ℃ of furnace temperature, temperature retention time 420-450 minute;
Phase III: 510 ℃-550 ℃ of furnace temperature, temperature retention time 380-400 minute;
Quadravalence section: 540 ℃-560 ℃ of furnace temperature, temperature retention time 120-140 minute;
Five-stage: 560 ℃-580 ℃ of furnace temperature, temperature retention time 120-130 minute;
The 6th stage: 570 ℃-590 ℃ of furnace temperature, temperature retention time 80-90 minute;
The 7th stage: 580 ℃-600 ℃ of furnace temperature, temperature retention time 95-105 minute;
The 8th stage: 630 ℃-640 ℃ of furnace temperature, temperature retention time 40-50 minute;
The 9th stage: 625 ℃-635 ℃ of furnace temperature, temperature retention time 40-45 minute;
The tenth stage: 620 ℃-630 ℃ of furnace temperature, temperature retention time 10-15 minute;
The 11 stage: 615 ℃-625 ℃ of furnace temperature, temperature retention time 10-15 minute;
The tenth two-stage: 600 ℃-610 ℃ of furnace temperature, temperature retention time 20-25 minute.
Wherein, the control of the temperature in each stage is preferably in the step (four):
Phase I: 360 ℃ of furnace temperature, temperature retention time 434 minutes;
Second stage: 470 ℃ of furnace temperature, temperature retention time 435 minutes;
Phase III: 530 ℃ of furnace temperature, temperature retention time 390 minutes;
Quadravalence section: 550 ℃ of furnace temperature, temperature retention time 134 minutes;
Five-stage: 570 ℃ of furnace temperature, temperature retention time 125 minutes;
The 6th stage: 580 ℃ of furnace temperature, temperature retention time 86 minutes;
The 7th stage: 590 ℃ of furnace temperature, temperature retention time 100 minutes;
The 8th stage: 635 ℃ of furnace temperature, temperature retention time 44 minutes;
The 9th stage: 630 ℃ of furnace temperature, temperature retention time 42 minutes;
The tenth stage: 625 ℃ of furnace temperature, temperature retention time 10 minutes;
The 11 stage: 620 ℃ of furnace temperature, temperature retention time 13 minutes;
The tenth two-stage: 605 ℃ of furnace temperature, temperature retention time 21 minutes.
The manufacture method of aluminum plate-fin heat exchanger of the present invention, owing to carrying out soldering under the condition of controlling each phase temperature in strictness, improved the brazing quality of aluminum plate-fin heat exchanger in brazing process,, can reduce the recessed generation of defects of board-like body through facts have proved.
Description of drawings:
The schematic diagram that Fig. 1 changes for board-like body inner fin in the prior art brazing process.
The specific embodiment:
Below in conjunction with accompanying drawing preferred implementation of the present invention is described in further detail.Will be to part same as the prior art among the present invention with reference to prior art.
Embodiment 1
A kind of manufacture method of aluminum plate-fin heat exchanger, its step is as follows:
Shear dividing plate, cover plate and side plate with plate shearing machine, with saw aluminium machine cutting strip of paper used for sealing, punching out becomes fin and flow deflector; Consider to adopt flat or long thin shape when board-like body designs, avoid big board-like body to occur, in case of necessity can be assembled by several board-like bodies; Should stock up from regular producer when ordering material, and keep material property stable;
Carry out pickling with shearing good dividing plate, cover plate, side plate and strip of paper used for sealing;
With part to be assembled, be placed on oily, the dry platform of clean nothing or in the working position apparatus, assemble;
Control in strictness under the condition of each phase temperature and carry out soldering, brazing temperature changes in strict accordance with desired trajectory during soldering, and has the special messenger to keep an eye on; Wherein, each phase temperature scope is as shown in the table:
| Temperature section | Furnace temperature ℃ | Workpiece initial temperature ℃ | Temperature retention time min | Workpiece maximum temperature ℃ | Workpiece centre temperature ℃ | The temperature difference ℃ | Heating rate ℃/min |
| 1 | 360 | 13 | 434 | 259 | 130 | 124 | 0.26 |
| 2 | 470 | 435 | 438 | 365 | 73 | 0.54 | |
| 3 | 530 | 390 | 519 | 501 | 18 | 0.35 | |
| 4 | 550 | 134 | 538 | 523 | 15 | 0.164 | |
| 5 | 570 | 125 | 558 | 543 | 15 | 0.16 | |
| 6 | 580 | 86 | 568 | 556 | 12 | 0.15 | |
| 7 | 590 | 100 | 576 | 565 | 11 | 0.09 | |
| 8 | 635 | 44 | 604 | 567 | 37 | 0.045 | |
| 9 | 630 | 42 | 608 | 570 | 38 | 0.07 | |
| 10 | 625 | 10 | 609 | 575 | 34 | 0.5 | |
| 11 | 620 | 13 | 607 | 583 | 24 | 0.62 | |
| 12 | 605 | 21 | 602 | 591 | 11 | 0.38 |
Claims (2)
1. the manufacture method of an aluminum plate-fin heat exchanger comprises the steps:
(1) open material: shear dividing plate, cover plate and side plate with plate shearing machine, with saw aluminium machine cutting strip of paper used for sealing, punching out becomes fin and flow deflector;
(2) clean: will shear good dividing plate, cover plate, side plate and strip of paper used for sealing and carry out pickling;
(3) assembling: with part to be assembled, be placed on oily, the dry platform of clean nothing or in the working position apparatus, assemble;
(4) soldering: control in strictness and carry out soldering under the condition of each phase temperature:
Phase I: 350 ℃-380 ℃ of furnace temperature, temperature retention time 420-450 minute;
Second stage: 450 ℃-490 ℃ of furnace temperature, temperature retention time 420-450 minute;
Phase III: 510 ℃-550 ℃ of furnace temperature, temperature retention time 380-400 minute;
Quadravalence section: 540 ℃-560 ℃ of furnace temperature, temperature retention time 120-140 minute;
Five-stage: 560 ℃-580 ℃ of furnace temperature, temperature retention time 120-130 minute;
The 6th stage: 570 ℃-590 ℃ of furnace temperature, temperature retention time 80-90 minute;
The 7th stage: 580 ℃-600 ℃ of furnace temperature, temperature retention time 95-105 minute;
The 8th stage: 630 ℃-640 ℃ of furnace temperature, temperature retention time 40-50 minute;
The 9th stage: 625 ℃-635 ℃ of furnace temperature, temperature retention time 40-45 minute;
The tenth stage: 620 ℃-630 ℃ of furnace temperature, temperature retention time 10-15 minute;
The 11 stage: 615 ℃-625 ℃ of furnace temperature, temperature retention time 10-15 minute;
The tenth two-stage: 600 ℃-610 ℃ of furnace temperature, temperature retention time 20-25 minute.
2. the manufacture method of aluminum plate-fin heat exchanger according to claim 1 is characterized in that: the control of the temperature in each stage is preferably in the step (four):
Phase I: 360 ℃ of furnace temperature, temperature retention time 434 minutes;
Second stage: 470 ℃ of furnace temperature, temperature retention time 435 minutes;
Phase III: 530 ℃ of furnace temperature, temperature retention time 390 minutes;
Quadravalence section: 550 ℃ of furnace temperature, temperature retention time 134 minutes;
Five-stage: 570 ℃ of furnace temperature, temperature retention time 125 minutes;
The 6th stage: 580 ℃ of furnace temperature, temperature retention time 86 minutes;
The 7th stage: 590 ℃ of furnace temperature, temperature retention time 100 minutes;
The 8th stage: 635 ℃ of furnace temperature, temperature retention time 44 minutes;
The 9th stage: 630 ℃ of furnace temperature, temperature retention time 42 minutes;
The tenth stage: 625 ℃ of furnace temperature, temperature retention time 10 minutes;
The 11 stage: 620 ℃ of furnace temperature, temperature retention time 13 minutes;
The tenth two-stage: 605 ℃ of furnace temperature, temperature retention time 21 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101533680A CN101898267B (en) | 2009-10-19 | 2009-10-19 | Method for manufacturing aluminum plate-fin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101533680A CN101898267B (en) | 2009-10-19 | 2009-10-19 | Method for manufacturing aluminum plate-fin heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101898267A true CN101898267A (en) | 2010-12-01 |
| CN101898267B CN101898267B (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101533680A Expired - Fee Related CN101898267B (en) | 2009-10-19 | 2009-10-19 | Method for manufacturing aluminum plate-fin heat exchanger |
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| CN (1) | CN101898267B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489814A (en) * | 2011-12-22 | 2012-06-13 | 浙江大学 | Lamination-based vacuum brazing method for core part of plate-fin type aluminum heat exchanger |
| CN104690384A (en) * | 2013-12-04 | 2015-06-10 | 青岛润鑫伟业科贸有限公司 | Vacuum brazing technological process of plate fin type aluminum alloy radiator |
| CN104923873A (en) * | 2015-05-21 | 2015-09-23 | 无锡中海换热器有限公司 | Vacuum brazing technology method of aluminium plate-fin heat exchanger |
| CN109848499A (en) * | 2019-03-08 | 2019-06-07 | 任耀文 | A kind of preparation method of Complex Heat device core |
| CN112207509A (en) * | 2020-09-02 | 2021-01-12 | 上海坤勇节能科技有限公司 | Manufacturing method of micro-channel heat exchange plate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2693139B1 (en) * | 1992-07-03 | 1994-09-09 | Vide Traitement Neuilly | Process for bonding copper to dispersoid alloys on metallic, ceramic or composite materials by brazing in an oven in a rarefied atmosphere. |
| US6625886B2 (en) * | 2001-07-05 | 2003-09-30 | Denso Corporation | Manufacturing method of heat exchanger |
| CN1181944C (en) * | 2002-04-18 | 2004-12-29 | 南京工业大学 | Manufacture of fine-type stainless steel plate heat exchanger |
-
2009
- 2009-10-19 CN CN2009101533680A patent/CN101898267B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489814A (en) * | 2011-12-22 | 2012-06-13 | 浙江大学 | Lamination-based vacuum brazing method for core part of plate-fin type aluminum heat exchanger |
| CN102489814B (en) * | 2011-12-22 | 2014-07-02 | 浙江大学 | Lamination-based vacuum brazing method for core part of plate-fin type aluminum heat exchanger |
| CN104690384A (en) * | 2013-12-04 | 2015-06-10 | 青岛润鑫伟业科贸有限公司 | Vacuum brazing technological process of plate fin type aluminum alloy radiator |
| CN104923873A (en) * | 2015-05-21 | 2015-09-23 | 无锡中海换热器有限公司 | Vacuum brazing technology method of aluminium plate-fin heat exchanger |
| CN109848499A (en) * | 2019-03-08 | 2019-06-07 | 任耀文 | A kind of preparation method of Complex Heat device core |
| CN112207509A (en) * | 2020-09-02 | 2021-01-12 | 上海坤勇节能科技有限公司 | Manufacturing method of micro-channel heat exchange plate |
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| Publication number | Publication date |
|---|---|
| CN101898267B (en) | 2011-12-07 |
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Owner name: WUXI JIALONG HEAT EXCHANGER STOCK COMPANY LTD. Free format text: FORMER NAME: WUXI JIALONG HEAT EXCHANGER MANUFACTURING CO., LTD. |
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Address after: 214092 Jiangsu Province, Wuxi City Binhu District biomedical industrial park Xiaguang Road No. 5 Patentee after: WUXI JIALONG HEAT EXCHANGER STOCK COMPANY LTD. Address before: 214092 Jiangsu Province, Wuxi City Binhu District biomedical industrial park Xiaguang Road No. 5 Patentee before: WUXI JIALONG HEAT-EXCHANGER MANUFACTURING CO., LTD. |
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Granted publication date: 20111207 Termination date: 20161019 |