CN104034185A - Method for manufacturing metal composite tube heat exchanger - Google Patents
Method for manufacturing metal composite tube heat exchanger Download PDFInfo
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- CN104034185A CN104034185A CN201410239354.1A CN201410239354A CN104034185A CN 104034185 A CN104034185 A CN 104034185A CN 201410239354 A CN201410239354 A CN 201410239354A CN 104034185 A CN104034185 A CN 104034185A
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- tube
- heat exchanger
- housing
- shell
- tube sheet
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Abstract
The invention discloses a method for manufacturing a metal composite tube heat exchanger. The method includes the steps of machining parts for forming the heat exchanger according to design requirements, wherein the parts include a shell, heat exchanging tubes, baffle plates, distance determining pieces, tube plates and end enclosures, the heat exchanging tubes, the baffle plates and the distance determining pieces are located on the inner sides of the shell and made of metal composite materials, and the tube plates and the end enclosures are located at the two ends of the shell; positioning the tube plates located at the two ends of the shell, the baffle plates located in the shell and the distance determining pieces located in the shell relative to the shell, and then fixedly connecting the tube plates with the shell through bolts; then penetrating the heat exchanging tubes into corresponding holes in the tube plates and the baffle plates, and fixedly connecting the two ends of the heat exchanging tubes with the tube plates in a spliced and expanded connection mode; carrying out primary solidification; carrying out pressure testing on the positions between the heat exchanging tubes and the tube plates; carrying out anticorrosion treatment on tube heads of the heat exchanging tubes and the whole tube plates; carrying out secondary solidification; installing the end enclosures, and carrying out pressure testing again. The method is simple in technology, environmentally friendly, efficient, reliable, low in manufacturing cost, good in anticorrosion effect and long in product service life, and energy is saved.
Description
Technical field
The present invention relates to a kind of preparation method of heat exchanger, particularly a kind of preparation method of metal composite heat exchange of heat pipe.
Background technology
Heat exchanger is widely used in industrial production, and particularly oil, chemical industry are more general.Existing heat exchanger is to be made up of housing, the tube sheet that is positioned at housing two ends, end socket, the heat exchanger tube that is positioned at housing, deflection plate and deflection plate keeper.The processing method of multiple tube heat exchanger is first above-mentioned each part to be processed, assembled at present, between the position, heat exchange tube termination of composite material and tube sheet, adopt and be welded and fixed, because the welding requirements between different metal is high, complicated construction technique, operating difficulties, cost of manufacture is high.In existing heat exchanger, tube side or shell side antiseptic effect are poor, have affected service life.
Summary of the invention
The object of this invention is to provide that a kind of construction technology is simple, the preparation method of the metal composite heat exchange of heat pipe of energy-conserving and environment-protective, high efficient and reliable, low cost of manufacture, favorable anti-corrosion effect, long service life, overcome the deficiencies in the prior art.
The preparation method of metal composite heat exchange of heat pipe of the present invention, comprises the steps:
1., processing, according to designing requirement, the part of composition heat exchanger is processed, comprise housing, be positioned at heat exchanger tube, deflection plate, spacing part, the tube sheet that is positioned at housing two ends and the end socket of the metallic composite of housing inner side;
2., assembling, position with respect to housing, then tube sheet and housing be bolted to connection being positioned at the tube sheet at housing two ends, the deflection plate that is positioned at housing, spacing part; Then each heat exchanger tube is penetrated in the respective aperture on tube sheet and deflection plate, between the two ends of heat exchanger tube and tube sheet, adopt to be bondingly fixedly connected with expanded joint mode;
3., one-step solidification;
4., between exchange heat pipe and tube sheet, do pressure test;
5., preservative treatment, exchange heat pipe tube head and whole tube sheet do preservative treatment;
6., regelate;
7., end socket be installed and again done pressure test;
The inner surface of described end socket or the inner surface of housing are being installed previous crops preservative treatment.
The described bonding bonding agent of selecting is MM-H200; Described anticorrosion be to select MM-H200 to apply.
The matrix of the heat exchanger tube of described metallic composite is carbon steel or stainless steel, and composite bed is stainless steel or titanium or nickel metal material; Described curing temperature is 25 DEG C-35 DEG C, and be 45-51 hour hardening time; The test of described pressure is to utilize air compressor to carry out bulge test to shell side, and pressure is controlled between 0.05～6.4 Mpa and pressurize 25～35 minutes.
The preparation method of metal composite heat exchange of heat pipe of the present invention compared with prior art, is bondingly fixedly connected with expanded joint mode owing to adopting between heat exchanger tube and tube sheet, and multiple tube tube head and whole tube sheet all apply protection with virtue iron material, and solidifies as requested.Make the fixing easier of different metal between multiple tube and tube sheet, construct more convenient.And corrosion resistance aspect is better than multiple tube under certain condition, temperature tolerance can reach 300 DEG C, meets industrial production needs.Lower than existing welding manufacture method cost.
Fig. 1 is the structural representation of heat exchanger in the present invention.
Detailed description of the invention
As shown in Figure 1: the preparation method of metal composite heat exchange of heat pipe of the present invention, step is as follows:
1., processing, according to designing requirement, the part of composition heat exchanger is processed, comprised housing 3, be positioned at the heat exchanger tube 4 of the multiple metallic composites that are parallel to each other of housing 3 inner sides, the deflection plate 7 being crisscross arranged, (comprise distance rod 5 and be sleeved on distance sink tube 6 on distance rod 5, be positioned at the flat tube sheet 2 at housing 3 two ends and the end socket 1 of dome shape for spacing part that deflection plate 7 is positioned.
2., assembling, position with respect to housing 3 being positioned at the tube sheet 2 at housing 3 two ends, the deflection plate 7 that is positioned at housing 3, spacing part, then tube sheet 2 and housing 3 be bolted to connection; Then each heat exchanger tube 4 is penetrated in the respective aperture on tube sheet 2 and deflection plate 7, between the two ends of heat exchanger tube 4 and tube sheet 2, adopt to be bondingly fixedly connected with expanded joint mode.Bonding bonding agent used is MM-H200.
3., one-step solidification, bonding agent is cured to processing, curing temperature is 25 DEG C or 30 DEG C or 35 DEG C, between 25 DEG C-35 DEG C, all can, be 45 hours or 46 hours or 47 hours or 48 hours or 49 hours or 50 hours or 51 hours hardening time, between 45-51 hour, all can.
4., between exchange heat pipe 4 and tube sheet 2, do pressure test, utilize air compressor to carry out bulge test to shell side, pressure is controlled at 0.05 Mpa or 0.2 Mpa or 0.5Mpa or 1Mpa or 2 Mpa or 4 Mpa or 6 Mpa or 6.4Mpa, between 0.05～6.4 Mpa, all can, pressurize 25 minutes or 30 minutes or 35 minutes all could between 25～35 minutes.
5., preservative treatment, exchange heat pipe 4 tube head and whole tube sheet do preservative treatment, select MM-H200 apply.
6., regelate, coating is cured to processing, and curing temperature is 25 DEG C or 30 DEG C or 35 DEG C, between 25 DEG C-35 DEG C, all can, be 45 hours or 46 hours or 47 hours or 48 hours or 49 hours or 50 hours or 51 hours hardening time, between 45-51 hour, all can.
7., end socket 1 be installed and again done pressure test, shell side or tube side are done to pressure test, utilize air compressor to carry out bulge test to shell side, pressure is controlled at 0.05 Mpa or 0.2 Mpa or 0.5Mpa or 1Mpa or 2 Mpa or 4 Mpa or 6 Mpa or 6.4Mpa, between 0.05～6.4 Mpa, all can, pressurize 25 minutes or 30 minutes or 35 minutes all could between 25～35 minutes.Utilize suds inspection, as occurred without bubble, Pressure gauge is unchanged is qualified.
The matrix of the heat exchanger tube 4 of metallic composite is carbon steel or stainless steel, composite bed is stainless steel or titanium or nickel metal material, while selecting stainless steel to be heat exchanger tube matrix, composite bed is titanium or nickel metal material,, while selecting carbon steel to be heat exchanger tube matrix, composite bed is stainless steel or titanium or nickel metal material.
When the tube side of heat exchanger is Korrosionsmedium, without the inner surface of housing 3 is carried out to preservative treatment, but to carry out the preservative treatment identical with tube sheet 2 to the inner surface of end socket 1.The inner surface of heat exchanger tube is the Metals composite bed of material.
When the shell side of heat exchanger is Korrosionsmedium, without the inner surface of end socket is carried out to preservative treatment, but to carry out the preservative treatment identical with tube sheet 2 to the inner surface of housing 1.The outer surface of heat exchanger tube is the Metals composite bed of material.
Pressure test can be air-tight test, can be also the water pressure test.
Claims (3)
1. a preparation method for metal composite heat exchange of heat pipe, is characterized in that: comprise the steps:
1., processing, according to designing requirement, the part of composition heat exchanger is processed, comprised housing (3), be positioned at heat exchanger tube (4), deflection plate (7), spacing part, the tube sheet (2) that is positioned at housing (3) two ends and the end socket (1) of the metallic composite of housing (3) inner side;
2., assembling, position with respect to housing (3) being positioned at the tube sheet (2) at housing (3) two ends, the deflection plate (7) that is positioned at housing (3), spacing part, then tube sheet (2) and housing (3) be bolted to connection; Then each heat exchanger tube (4) is penetrated in the respective aperture on tube sheet (2) and deflection plate (7), between the two ends of heat exchanger tube (4) and tube sheet (2), adopt to be bondingly fixedly connected with expanded joint mode;
3., one-step solidification;
4., between exchange heat pipe (4) and tube sheet (2), do pressure test;
5., preservative treatment, exchange heat pipe (4) tube head and whole tube sheet do preservative treatment;
6., regelate;
7., end socket (1) be installed and again done pressure test;
The inner surface of described end socket (1) or the inner surface of housing (3) are being installed previous crops preservative treatment.
2. the preparation method of metal composite heat exchange of heat pipe according to claim 1, is characterized in that: the described bonding bonding agent of selecting is MM-H200; Described anticorrosion be to select MM-H200 to apply.
3. the preparation method of metal composite heat exchange of heat pipe according to claim 2, is characterized in that: the matrix of the heat exchanger tube (4) of described metallic composite is carbon steel or stainless steel, and composite bed is stainless steel or titanium or nickel metal material; Described curing temperature is 25 DEG C-35 DEG C, and be 45-51 hour hardening time; The test of described pressure is to utilize air compressor to carry out bulge test to shell side, and pressure is controlled between 0.05～6.4 Mpa and pressurize 25～35 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239354.1A CN104034185A (en) | 2014-06-03 | 2014-06-03 | Method for manufacturing metal composite tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239354.1A CN104034185A (en) | 2014-06-03 | 2014-06-03 | Method for manufacturing metal composite tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104034185A true CN104034185A (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410239354.1A Pending CN104034185A (en) | 2014-06-03 | 2014-06-03 | Method for manufacturing metal composite tube heat exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694359A (en) * | 2016-03-16 | 2016-06-22 | 无锡锡洲封头制造有限公司 | Composite material for dished head |
| CN106770432A (en) * | 2016-11-16 | 2017-05-31 | 南京工业大学 | Detachable micro-pipeline array heat transfer performance testing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0054815A1 (en) * | 1980-12-22 | 1982-06-30 | Ford-Werke Aktiengesellschaft | Method of joining an object to an article |
| CN1375374A (en) * | 2002-04-18 | 2002-10-23 | 南京工业大学 | Manufacturing process of stainless steel plate fin type heat exchanger |
| CN1562517A (en) * | 2004-04-20 | 2005-01-12 | 牟有为 | Technique for manufacturing hot dip aluminizing heat exchanger |
| CN101085486A (en) * | 2007-07-11 | 2007-12-12 | 林世东 | Processing technique for automobile aluminum alloy heat exchanger thermal fin and special device for the same |
| CN101214611A (en) * | 2008-01-08 | 2008-07-09 | 王玉红 | Method for manufacturing coating corrosion prevention heat exchanger |
-
2014
- 2014-06-03 CN CN201410239354.1A patent/CN104034185A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0054815A1 (en) * | 1980-12-22 | 1982-06-30 | Ford-Werke Aktiengesellschaft | Method of joining an object to an article |
| CN1375374A (en) * | 2002-04-18 | 2002-10-23 | 南京工业大学 | Manufacturing process of stainless steel plate fin type heat exchanger |
| CN1562517A (en) * | 2004-04-20 | 2005-01-12 | 牟有为 | Technique for manufacturing hot dip aluminizing heat exchanger |
| CN101085486A (en) * | 2007-07-11 | 2007-12-12 | 林世东 | Processing technique for automobile aluminum alloy heat exchanger thermal fin and special device for the same |
| CN101214611A (en) * | 2008-01-08 | 2008-07-09 | 王玉红 | Method for manufacturing coating corrosion prevention heat exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694359A (en) * | 2016-03-16 | 2016-06-22 | 无锡锡洲封头制造有限公司 | Composite material for dished head |
| CN106770432A (en) * | 2016-11-16 | 2017-05-31 | 南京工业大学 | Detachable micro-pipeline array heat transfer performance testing device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |