CN109855467A - Heat exchanger joint, connector manufacturing method and the method for welding with heat exchanger core body - Google Patents
Heat exchanger joint, connector manufacturing method and the method for welding with heat exchanger core body Download PDFInfo
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- CN109855467A CN109855467A CN201910195286.6A CN201910195286A CN109855467A CN 109855467 A CN109855467 A CN 109855467A CN 201910195286 A CN201910195286 A CN 201910195286A CN 109855467 A CN109855467 A CN 109855467A
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- China
- Prior art keywords
- heat exchanger
- supervisor
- welded pipe
- welding
- pipe
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000010949 copper Substances 0.000 claims abstract description 34
- 229910052802 copper Inorganic materials 0.000 claims abstract description 34
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 26
- 239000010935 stainless steel Substances 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 6
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 51
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 26
- 229910021529 ammonia Inorganic materials 0.000 claims description 25
- 239000003345 natural gas Substances 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000005219 brazing Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 2
- 210000000952 spleen Anatomy 0.000 claims 1
- 238000000197 pyrolysis Methods 0.000 description 8
- 229910001369 Brass Inorganic materials 0.000 description 5
- 239000010951 brass Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to field of heat exchangers, and in particular to heat exchanger joint, connector manufacturing method and the method for welding with heat exchanger core body, heat exchanger joint, comprising: supervisor is responsible at least open at one end；Welded pipe, welded pipe are fixedly connected with supervisor's side wall, and welding tube cavity is connected to supervisor inner cavity, and welded pipe at least extexine material is red copper.The welded pipe includes the red copper layer of stainless steel tube body and the external surface layer of stainless steel tube.The welded pipe is fixedly connected by reinforcing pipe with supervisor's side wall, and welded pipe is fixedly connected on outside reinforcing pipe, is reinforced tube cavity and is connected to supervisor inner cavity.It is at low cost to provide one kind, does not endanger environment, stores safe heat exchanger joint, connector manufacturing method and the method for welding with heat exchanger core body.
Description
Technical field
The present invention relates to field of heat exchangers, and in particular to heat exchanger joint, connector manufacturing method and with heat exchanger core body
Method for welding.
Background technique
China Gas wall-hung boiler is the important component part of Chinese HVAC industry, and China has been world's production, consumption and has gone out
The important country of mouth burnt gas wall hanging furnace, the accessory manufacturer of China Gas wall-hung boiler has spread all parts of the country, wherein important
The heat exchanger of one of component has been realized in production domesticization.
Fuel wall hanging equipment, which is that a kind of collection machinery, fuel gas buring, Electric automatic control, hydrodynamics, Pyrology etc., to be learned
The small gas equipment wall-mounted, using combustible fuel gas of section, it can extraneous indoor temperature controller, with reality
Existing individual character temperature adjusts and reaches energy saving purpose.Fuel wall hanging equipment has powerful Domestic central heating function.
Fuel wall hanging equipment is mainly by combustion system, heating circulation system, domestic hot-water supply system, safeguard protection and control
The part such as system processed, heat-exchange system, smoke evacuation system forms.For the heat exchanger of heat-exchange system there are mainly two types of structure, one kind is single-pass
Road structure, another kind are channel structure.Heat exchanger is the connector of the core and whole brass casting by red copper material, is being protected
In atmosphere (decomposed ammonia), it is brazed by 850 DEG C or so of temperature.
Since corresponding connector material is brass, so as to required protective atmosphere (decomposed ammonia) requirement in brazing process
Strictly, it otherwise causes brazing quality bad, can not be detected and be tested by subsequent serial.Manufacturing enterprise is to produce ammonolysis craft guarantor
Shield atmosphere just must use ammonia for raw material, but ammonia both endangers environment, and storage is again dangerous, pay attention to environment in current country and protect
Under the policy of shield, some areas clearly disable this gas, so that enterprise be made then to face the predicament for falling into and can not continuing production.
Summary of the invention
The object of the present invention is to provide a kind of at low cost, environment is not endangered, safe heat exchanger joint, connector manufacture are stored
Method and method for welding with heat exchanger core body.
The technical solution used to solve the technical problems of the present invention is that: heat exchanger joint, comprising:
Supervisor is responsible at least open at one end；
Welded pipe, welded pipe are fixedly connected with supervisor's side wall, and welding tube cavity is connected to supervisor inner cavity, and welded pipe at least appearance
Layer material is red copper.
The welded pipe includes the red copper layer of stainless steel tube body and the external surface layer of stainless steel tube.
The welded pipe is fixedly connected by reinforcing pipe with supervisor's side wall, and welded pipe is fixedly connected on outside reinforcing pipe, is added
Gu tube cavity is connected to supervisor inner cavity.
The material of the reinforcing pipe is stainless steel, and reinforcing pipe and supervisor are integrally formed or welding.
There is a head in a supervisor at least open end, and the material of supervisor is stainless steel.
The manufacturing method of heat exchanger joint, at least includes the following steps:
Step 1, supervisor's side wall open the through-hole for connecting welding pipe；
The through-hole that welded pipe one end is opened with supervisor's side wall is fixed step 2；
Welded pipe extexine is adhered to red copper material by step 3.
The manufacturing method of heat exchanger joint, at least includes the following steps:
Step 1, supervisor's side wall open the through-hole for connecting welding pipe；
Step 2 adheres to red copper material to welded pipe extexine；
The through-hole that there is extexine the welded pipe of red copper material coating to open with supervisor's side wall is fixed step 3.
Extexine is first had the weldering of red copper material coating by wherein step 2 again to welded pipe extexine attachment red copper material
It takes over the through-hole opened with supervisor's side wall to be fixed, or first the through-hole that welded pipe one end and supervisor's side wall are opened is fixed and again will
Welded pipe extexine adheres to red copper material.
The tube body of the supervisor and welded pipe are stainless steel materials, between the stainless steel tube body and supervisor of welded pipe
Be fixedly connected be 1000 DEG C to 1200 DEG C at a temperature of carry out high temperature brazing welding, the red copper material coating outside welded pipe with not
It is fixed between rust steel tube body by hot plating technology, the technological temperature of hot dip is 1000 DEG C to 1200 DEG C.
The method for welding of heat exchanger joint and heat exchanger core body, at least includes the following steps:
The heat exchanger joint of junction surface attachment red copper material is plugged in the heat exchanger core body to be connected by step 1,
Splicing position gap meets Welding requirement；
Step 2 carries out Welding to splicing position at 800 DEG C to 900 DEG C using solder；
The protective atmosphere that wherein Welding process needs in step 2 is the decomposed ammonia or natural gas that ammonia is waste
Cracking gas.
The natural gas pyrolysis gas is DX gas or RX gas.
The beneficial effects of the present invention are:
1, since welded pipe extexine material is red copper, this heat exchanger joint need not use when with soldering core body of heat exchanger
Ammonia is the decomposed ammonia of waste as protective atmosphere, but uses natural gas pyrolysis gas, using natural in cost
Gas about uses the 1/3 of ammonia；
2, natural gas belongs to common cleaning new energy, meets environmental protection policy regulation；Once policy completely forbids storage, uses ammonia
Gas then avoids the predicament for facing halt production by this method using Natural Gas Enterprises；
3, protective atmosphere still use ammonia for the decomposed ammonia of waste in the case where, the stainless steel of this heat exchanger joint
Under matter is lower relative to the heat exchanger joint cost of brass monoblock cast and the premise calls of proof strength, stainless joint weight
Amount is lighter, and in welding, caloric receptivity is lower, and also lower to brazing equipment energy consumption, welding cost also reduces, and heat exchanger core body
Welded pipe 3 for red copper, connector also adheres to red copper outside, belongs to the welding of same material, it is easier to weld.
Detailed description of the invention
Below with reference to embodiment attached drawing, the present invention is further described.
Fig. 1 is this heat exchanger joint perspective view.
In figure: 1, silk head；2, it is responsible for；3, welded pipe；4, reinforcing pipe.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of heat exchanger joints, comprising:
Supervisor 2, supervisor 2 are at least open at one end；
Welded pipe 3, welded pipe 3 with supervisor 2 side walls be fixedly connected, 3 inner cavity of welded pipe be responsible for 2 inner cavities be connected to, and welded pipe 3 to
Few extexine material is red copper.
The manufacturing method of the heat exchanger joint of the present embodiment is divided into two kinds, and one of which is at least include the following steps:
Step 1,2 side walls of supervisor open the through-hole for connecting welding pipe 3；
The through-hole that 3 one end of welded pipe is opened with 2 side walls of supervisor is fixed step 2；
3 extexine of welded pipe is adhered to red copper material by step 3.
Another kind is at least include the following steps:
Step 1,2 side walls of supervisor open the through-hole for connecting welding pipe 3；
Step 2 adheres to red copper material to 3 extexine of welded pipe；
The through-hole that there is extexine the welded pipe 3 of red copper material coating to open with 2 side walls of supervisor is fixed step 3.
The heat exchanger joint of manufacturing method manufacture is with heat exchanger core body if being brazed through this embodiment,
Method at least includes the following steps:
The heat exchanger joint of junction surface attachment red copper material is plugged in the heat exchanger core body to be connected by step 1,
Splicing position gap meets Welding requirement；
Step 2 carries out Welding to splicing position at 800 DEG C to 900 DEG C using solder；
The protective atmosphere that wherein Welding process needs in step 2 is the DX of natural gas pyrolysis gas, especially natural gas pyrolysis
Gas or RX gas.
Whole brazed joint can only weld under decomposed ammonia, cannot be connect with natural gas pyrolysis gas welding；In the present embodiment by
In 3 extexine material of welded pipe be red copper, therefore this heat exchanger joint need not be used when with soldering core body of heat exchanger ammonia for
The decomposed ammonia of waste uses natural gas pyrolysis gas as protective atmosphere,
Under the premise comparison for needing 20 cubes of gas according to soldering:
It is needed using decomposed ammonia cost: 40 yuan/hour of ammonia, 12 yuan/hour of the gas generator electricity charge, about 52 yuan of cost/small
When；
Using natural gas pyrolysis gas: 6.6 yuan/hour of natural gas, 3 yuan/hour of the gas generator electricity charge, about 16.3 yuan of cost/small
When；
Using natural gas about using the 1/3 of ammonia in cost.
And ammonia is dangerous corrosive gas, it is big to environmental hazard, do not meet present environmental protection policy regulation；Natural gas category
In common cleaning new energy, meet environmental protection policy regulation；Once policy completely forbids storage, using ammonia, made by this method
The predicament for facing halt production is then avoided with Natural Gas Enterprises.
Embodiment 2
The present embodiment is the purple that welded pipe on the basis of embodiment 13 includes stainless steel tube body and the external surface layer of stainless steel tube
There are silk head 1 in layers of copper, a 2 at least open ends of supervisor, and the material for being responsible for 2 is stainless steel.
The stainless steel tube body of welded pipe 3 in the manufacturing method of heat exchanger joint based on structure described in the present embodiment and supervisor
Being fixedly connected between 2 is the at a temperature of progress high temperature brazing welding at 1000 DEG C to 1200 DEG C, the red copper material outside welded pipe 3
It is fixed between coating and stainless steel tube body by hot plating technology, the technological temperature of hot dip is 1000 DEG C to 1200 DEG C.
Since welded pipe 3 includes stainless steel tube body in the present embodiment, supervisor 2 is also stainless steel material, in stainless steel tube body
Extexine adheres to red copper layer, therefore, in the present embodiment in heat exchanger joint and the step of heat exchanger core body progress method for welding two
The protective atmosphere that Welding process needs still can use ammonia for the decomposed ammonia of waste.
Relative to the heat exchanger joint of brass monoblock cast, the stainless steel welded joint cost of the present embodiment reduces 1.5
Member/；
Under the premise calls of proof strength, the wall ratio brass of stainless joint wants thin, so that stainless joint weight is more
Gently, in welding, caloric receptivity is lower, and also lower to brazing equipment energy consumption, welding cost also reduces, and stainless joint is in ammonia
For that can weld under the conditions of the decomposed ammonia of waste or the protective atmosphere of natural gas pyrolysis gas, and heat exchanger core body is purple
The welded pipe 3 of copper, connector also adheres to red copper outside, belongs to the welding of same material, it is easier to weld.
Embodiment 3
Welded pipe 3 is fixedly connected by reinforcing pipe 4 with 2 side walls of supervisor in the present embodiment on the basis of the above embodiments, is welded
Pipe 3 is fixedly connected on outside reinforcing pipe 4, and 4 inner cavity of reinforcing pipe is connected to 2 inner cavities of supervisor, and the material of reinforcing pipe 4 is stainless steel, is reinforced
Pipe 4 and supervisor 2 are integrally formed or welding.
In the present embodiment welded pipe 3 by reinforcing pipe 4 and supervisor 2 side walls fix, so that it is guaranteed that welded pipe 3 and supervisor 2 it
Between structure it is stronger.
Claims (10)
1. heat exchanger joint, it is characterized in that: including
It is responsible for (2), supervisor (2) is at least open at one end；
Welded pipe (3), welded pipe (3) are fixedly connected with supervisor's (2) side wall, and welded pipe (3) inner cavity is connected to supervisor (2) inner cavity,
And welded pipe (3) at least extexine material is red copper.
2. heat exchanger joint according to claim 1, it is characterized in that: the welded pipe (3) include stainless steel tube body with
And the red copper layer on the external surface layer of stainless steel tube.
3. heat exchanger joint according to claim 1, it is characterized in that: the welded pipe (3) passes through reinforcing pipe (4) and master
Pipe (2) side wall is fixedly connected, and welded pipe (3) is fixedly connected on reinforcing pipe (4) outside, and reinforcing pipe (4) inner cavity and supervisor (2) inner cavity connect
It is logical.
4. heat exchanger joint according to claim 3 adds it is characterized in that: the material of the reinforcing pipe (4) is stainless steel
Gu managing (4) and supervisor (2) is integrally formed or welding.
5. heat exchanger joint according to claim 1, it is characterized in that: there is a head in supervisor (2) at least open end
(1), the material for being responsible for (2) is stainless steel.
6. the manufacturing method of heat exchanger joint, at least includes the following steps:
Step 1, supervisor's (2) side wall open the through-hole for connecting welding pipe (3)；
The through-hole that welded pipe (3) one end is opened with supervisor's (2) side wall is fixed step 2；
Welded pipe (3) extexine is adhered to red copper material by step 3.
7. the manufacturing method of heat exchanger joint, at least includes the following steps:
Step 1, supervisor's (2) side wall open the through-hole for connecting welding pipe (3)；
Step 2 adheres to red copper material to welded pipe (3) extexine；
The through-hole that there is extexine the welded pipe (3) of red copper material coating to open with supervisor's (2) side wall is fixed step 3.
8. the manufacturing method of heat exchanger joint according to claim 6 or 7, it is characterized in that: the supervisor (2) and welding
The tube body of pipe (3) is stainless steel material, the stainless steel tube body of welded pipe (3) be responsible for being fixedly connected between (2) be
High temperature brazing welding, the red copper material coating of welded pipe (3) outside and stainless steel tube body are carried out at a temperature of 1000 DEG C to 1200 DEG C
Between be fixed by hot plating technology, the technological temperature of hot dip is 1000 DEG C to 1200 DEG C.
9. the method for welding of heat exchanger joint and heat exchanger core body, at least includes the following steps:
The heat exchanger joint of junction surface attachment red copper material is plugged in the heat exchanger core body to be connected by step 1,
Splicing position gap meets Welding requirement；
Step 2 carries out Welding to splicing position at 800 DEG C to 900 DEG C using solder；
The protective atmosphere that wherein Welding process needs in step 2 is the decomposed ammonia or natural gas that ammonia is waste
Cracking gas.
10. the method for welding of heat exchanger joint according to claim 9 and heat exchanger core body, it is characterized in that: the day
It is DX gas or RX gas that right gas checking, which is vented one's spleen,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195286.6A CN109855467B (en) | 2019-03-14 | 2019-03-14 | Heat exchanger joint, joint manufacturing method and brazing method with heat exchanger core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195286.6A CN109855467B (en) | 2019-03-14 | 2019-03-14 | Heat exchanger joint, joint manufacturing method and brazing method with heat exchanger core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109855467A true CN109855467A (en) | 2019-06-07 |
| CN109855467B CN109855467B (en) | 2024-03-22 |
Family
ID=66900954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910195286.6A Active CN109855467B (en) | 2019-03-14 | 2019-03-14 | Heat exchanger joint, joint manufacturing method and brazing method with heat exchanger core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109855467B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4223826A (en) * | 1979-01-29 | 1980-09-23 | Usui Kokusai Sangyo Kabushiki Kaisha | Method of brazing stainless steels |
| JP2007144496A (en) * | 2005-11-30 | 2007-06-14 | Denso Corp | Joint structure and its manufacturing method |
| DE102007007606A1 (en) * | 2006-02-13 | 2007-09-20 | Behr Gmbh & Co. Kg | Process to solder component parts of an automotive heat exchanger e.g. radiator or air conditioning heat exchanger in inert gas atmosphere |
| CN201003777Y (en) * | 2006-08-11 | 2008-01-09 | 廖广源 | Non-corrosive steel copper-heating guiding-tube domestic heating stove |
| CN202118387U (en) * | 2011-05-05 | 2012-01-18 | 金龙精密铜管集团股份有限公司 | Steel copper tube for air conditioners |
| CN102848139A (en) * | 2012-06-08 | 2013-01-02 | 浙江三花制冷集团有限公司 | Connection pipe, production method thereof and gas collection tube assembly |
| CN203083220U (en) * | 2013-02-07 | 2013-07-24 | 新昌县丰亿电器有限公司 | Air-conditioner shunting tube stack |
| CN203703094U (en) * | 2014-01-27 | 2014-07-09 | 湖北银轮机械有限公司 | Water-cooling integrated stainless steel oil cooler |
| CN104646978A (en) * | 2015-01-06 | 2015-05-27 | 广东万和新电气股份有限公司 | Manufacturing method for tube fin-type stainless steel heat exchanger |
| KR20160020313A (en) * | 2014-08-13 | 2016-02-23 | 진호테크(주) | Heat exchanger |
| CN205938293U (en) * | 2016-08-19 | 2017-02-08 | 嵊州市致远焊接制品有限公司 | Novel four bundles of business turn over water pipes |
| CN209978701U (en) * | 2019-03-14 | 2020-01-21 | 扈杰 | Heat exchanger joint |
-
2019
- 2019-03-14 CN CN201910195286.6A patent/CN109855467B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4223826A (en) * | 1979-01-29 | 1980-09-23 | Usui Kokusai Sangyo Kabushiki Kaisha | Method of brazing stainless steels |
| JP2007144496A (en) * | 2005-11-30 | 2007-06-14 | Denso Corp | Joint structure and its manufacturing method |
| DE102007007606A1 (en) * | 2006-02-13 | 2007-09-20 | Behr Gmbh & Co. Kg | Process to solder component parts of an automotive heat exchanger e.g. radiator or air conditioning heat exchanger in inert gas atmosphere |
| CN201003777Y (en) * | 2006-08-11 | 2008-01-09 | 廖广源 | Non-corrosive steel copper-heating guiding-tube domestic heating stove |
| CN202118387U (en) * | 2011-05-05 | 2012-01-18 | 金龙精密铜管集团股份有限公司 | Steel copper tube for air conditioners |
| CN102848139A (en) * | 2012-06-08 | 2013-01-02 | 浙江三花制冷集团有限公司 | Connection pipe, production method thereof and gas collection tube assembly |
| CN203083220U (en) * | 2013-02-07 | 2013-07-24 | 新昌县丰亿电器有限公司 | Air-conditioner shunting tube stack |
| CN203703094U (en) * | 2014-01-27 | 2014-07-09 | 湖北银轮机械有限公司 | Water-cooling integrated stainless steel oil cooler |
| KR20160020313A (en) * | 2014-08-13 | 2016-02-23 | 진호테크(주) | Heat exchanger |
| CN104646978A (en) * | 2015-01-06 | 2015-05-27 | 广东万和新电气股份有限公司 | Manufacturing method for tube fin-type stainless steel heat exchanger |
| CN205938293U (en) * | 2016-08-19 | 2017-02-08 | 嵊州市致远焊接制品有限公司 | Novel four bundles of business turn over water pipes |
| CN209978701U (en) * | 2019-03-14 | 2020-01-21 | 扈杰 | Heat exchanger joint |
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| Publication number | Publication date |
|---|---|
| CN109855467B (en) | 2024-03-22 |
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