CN203887355U - Brazing furnace equipment with protective gas switching function - Google Patents

Brazing furnace equipment with protective gas switching function Download PDF

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Publication number
CN203887355U
CN203887355U CN201420252903.4U CN201420252903U CN203887355U CN 203887355 U CN203887355 U CN 203887355U CN 201420252903 U CN201420252903 U CN 201420252903U CN 203887355 U CN203887355 U CN 203887355U
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CN
China
Prior art keywords
hydrogen
nitrogen
pipeline
valve
gas
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Expired - Lifetime
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CN201420252903.4U
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Chinese (zh)
Inventor
沙溪漭
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Saiwo Zhizao Shanghai Technology Co Ltd
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SHANGHAI WEIKEMAI LONGCHUAN AUTOMOTIVE ENGINE PARTS CO Ltd
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Publication of CN203887355U publication Critical patent/CN203887355U/en
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Abstract

The utility model relates to brazing furnace equipment with a protective gas switching function. The brazing furnace equipment comprises a hydrogen supplying device, a hydrogen and nitrogen mixed gas supplying device and a nitrogen supplying device, wherein the hydrogen and nitrogen mixed gas supplying device is connected to an ignition device, a preheating section, a heating section and a hydrogen and nitrogen mixed gas supplying pipe for various cooling sections of the brazing furnace equipment; a gas flow adjusting valve, a gas flowmeter and various protective gas branch pipe check valves are arranged on the hydrogen and nitrogen mixed gas supplying pipe; the nitrogen supplying device is connected to the preheating section, the heating section and a nitrogen supplying pipe for the various cooling sections of the brazing furnace equipment; the nitrogen supplying pipe is provided with a gas flow adjusting valve and a gas flowmeter; and the nitrogen supplying device is connected with the ignition device, the preheating section, the heating section and the hydrogen and nitrogen mixed gas supplying pipe for the various cooling sections of the brazing furnace equipment. Two types of protective gas, namely nitrogen and hydrogen and nitrogen mixed gas, can be used for the brazing furnace equipment, and can be switched in a using process; moreover, a safety protection function can be fulfilled; and the brazing furnace equipment can run full-automatically.

Description

The switchable soldering oven equipment of a kind of protective gas
Technical field
The utility model relates to soldering oven equipment, particularly the switchable soldering oven equipment of a kind of protective gas.
Background technology
Along with the environmental requirement of automobile engine improves constantly; the application of high pressure fuel distribution pipe is constantly expansion also; its operating pressure is all at 10~20Mpa; security requirement to the material of product itself is very high; need to be applied to the soldering oven equipment that pure hydrogen is protective gas for this reason; object is to allow stainless steel material entering in soldering furnace high-temperature and cooling procedure, and surperficial carbonization and corrosion of nitrogenization degree drop to bottom line.Because soldering oven equipment is continuous plant-size equipment, start-stop stove is chronic, and energy waste is large, can use pure hydrogen in the urgent need to having for this reason, can use again the soldering oven equipment of hydrogen-nitrogen mixture gas.
Utility model content
The purpose of this utility model is to provide a kind of protective gas switchable soldering oven equipment, and it mainly solves the existing technical problem of above-mentioned prior art, and it can use two kinds of protective gas, i.e. hydrogen and hydrogen-nitrogen mixture gas (H 2or 3H 2+ N 2), and can in use procedure, carry out gas switching, simultaneously also corresponding have a safety protection function, soldering oven equipment that can fully automatic operation.
For solving the problems of the technologies described above, the utility model is achieved in that
The switchable soldering oven equipment of a kind of protective gas, is characterized in that: it comprises hydrogen feeding mechanism, hydrogen-nitrogen mixture gas feeding mechanism and nitrogen supply (NS) device; This hydrogen-nitrogen mixture gas feeding mechanism is connected respectively on the hydrogen-nitrogen mixture gas supply line of the igniter of soldering oven equipment, preheating section, bringing-up section, each cooling section by the pipeline that hydrogen-nitrogen mixture gas pipeline main valve, hydrogen-nitrogen mixture gas Pressure gauge, hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve, hydrogen-nitrogen mixture gas pipeline check valve are installed, and the each bypass line stop valve of gas flow regulating valve, gas flowmeter and protective gas is installed on hydrogen-nitrogen mixture gas supply line; This nitrogen supply (NS) device is connected respectively to by the pipeline of nitrogen pipeline main valve, nitrogen pressure table, nitrogen pipeline pneumatic stopping valve, nitrogen pipeline check valve is installed on the nitrogen supply (NS) pipeline of preheating section, the bringing-up section of soldering oven equipment, each cooling section, and gas flow regulating valve and gas flowmeter are installed on nitrogen supply (NS) pipeline; This hydrogen feeding mechanism is connected respectively to by the pipeline of Hydrogen Line main valve, Hydrogen Vapor Pressure table, Hydrogen Line pneumatic stopping valve, Hydrogen Line check valve is installed on the hydrogen-nitrogen mixture gas supply line of igniter, preheating section, the bringing-up section of soldering oven equipment, each cooling section.
The switchable soldering oven equipment of described protective gas; it is characterized in that: this nitrogen supply (NS) device is also connected on the nitrogen supply (NS) pipeline of nitrogen air seal set of soldering oven equipment by pipeline, control valve when sealing gland gas flowmeter, sealing gland gas flow are also installed on the nitrogen supply (NS) pipeline of this nitrogen air seal set.
The switchable soldering oven equipment of described protective gas; it is characterized in that: Hydrogen Line pneumatic stopping valve, hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve and nitrogen pipeline pneumatic stopping valve on this hydrogen feeding mechanism, hydrogen-nitrogen mixture gas feeding mechanism and nitrogen supply (NS) device pipeline are all connected in a magnetic valve group, and difference Hydrogen Line bypass valve in parallel, hydrogen-nitrogen mixture gas pipeline bypass valve and nitrogen pipeline bypass valve on Hydrogen Line pneumatic stopping valve, hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve and nitrogen pipeline pneumatic stopping valve two ends pipeline.
The utility model is compared with existing conventional art, and tool has the following advantages:
1, the utility model can use two kinds of protective gas, i.e. hydrogen and hydrogen-nitrogen mixture gas (H 2or 3H 2+ N 2), and can in use procedure, carry out gas switching, simultaneously also corresponding have a safety protection function, soldering oven equipment that can fully automatic operation.
2, the utility model has solved the key issue of production capacity and quality, increases substantially the stability of soldering production capacity and product quality, and the larger equipment usage safety performance that improved, has reduced equipment use cost.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one preferred embodiment.
In figure: 1-preheating section; 2-bringing-up section; 3-the first cooling section; 4-the second cooling section; Cooling section 6-nitrogen air seal set after 5-; 7-gas flow regulating valve; 8-nitrogen gas flowmeter 9-hydrogen or hydrogen nitrogen mixed gas flowmeter body; The each bypass line stop valve of 10-protective gas (maintenance is used); The each branch road gas flow regulating valve of 11-; 12-Hydrogen Line main valve; 13-Hydrogen Vapor Pressure table; 14-Hydrogen Line pneumatic stopping valve; 15-Hydrogen Line check valve; 16-Hydrogen Line bypass valve; 17-hydrogen-nitrogen mixture gas pipeline main valve; 18-hydrogen-nitrogen mixture gas Pressure gauge; 19-hydrogen-nitrogen mixture gas pipeline check valve; 20-hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve; 21-hydrogen-nitrogen mixture gas pipeline bypass valve; 22-nitrogen pipeline check valve; 23-nitrogen pipeline pneumatic stopping valve; 24-nitrogen pipeline bypass valve; 25-magnetic valve group; 26-nitrogen pressure table; 27-sealing gland gas flowmeter; Control valve when 28-sealing gland gas flow; 29-nitrogen pipeline main valve; 30-hydrogen feeding mechanism, 31-hydrogen-nitrogen mixture gas feeding mechanism; 32-nitrogen supply (NS) device.
Detailed description of the invention
Refer to Fig. 1, the utility model discloses the switchable soldering oven equipment of a kind of protective gas.As shown in the figure: it comprises hydrogen feeding mechanism 30, hydrogen-nitrogen mixture gas feeding mechanism 31 and nitrogen supply (NS) device 32; This hydrogen-nitrogen mixture gas feeding mechanism 31 is connected respectively on the hydrogen-nitrogen mixture gas supply line of the igniter of soldering oven equipment, preheating section 1, bringing-up section 2, each cooling section 3,4,5 by the pipeline of hydrogen-nitrogen mixture gas pipeline main valve 17, hydrogen-nitrogen mixture gas Pressure gauge 18, hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve 20, hydrogen-nitrogen mixture gas pipeline check valve 19 is installed, and the each bypass line stop valve 10 of gas flow regulating valve, gas flowmeter and protective gas is installed on hydrogen-nitrogen mixture gas supply line; This nitrogen supply (NS) device 32 is connected respectively to by the pipeline of nitrogen pipeline main valve 29, nitrogen pressure table 26, nitrogen pipeline pneumatic stopping valve 23, nitrogen pipeline check valve 22 is installed on the nitrogen supply (NS) pipeline of preheating section 1, bringing-up section 2, each cooling section 3,4,5 of soldering oven equipment, and gas flow regulating valve and gas flowmeter are installed on nitrogen supply (NS) pipeline; This hydrogen feeding mechanism 30 is connected respectively to by the pipeline of Hydrogen Line main valve 12, Hydrogen Vapor Pressure table 13, Hydrogen Line pneumatic stopping valve 14, Hydrogen Line check valve 15 is installed on the hydrogen-nitrogen mixture gas supply line of igniter, preheating section 1, bringing-up section 2, each cooling section 3,4,5 of soldering oven equipment.This nitrogen supply (NS) device 32 is also connected on the nitrogen supply (NS) pipeline of nitrogen air seal set 6 of soldering oven equipment by pipeline, control valve 28 when sealing gland gas flowmeter 27, sealing gland gas flow are also installed on the nitrogen supply (NS) pipeline of this nitrogen air seal set 6.Hydrogen Line pneumatic stopping valve 14, hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve 20 and nitrogen pipeline pneumatic stopping valve 23 on this hydrogen feeding mechanism 30, hydrogen-nitrogen mixture gas feeding mechanism 31 and nitrogen supply (NS) device 32 pipelines are all connected in a magnetic valve group 25, and difference Hydrogen Line bypass valve 16 in parallel, hydrogen-nitrogen mixture gas pipeline bypass valve 21 and nitrogen pipeline bypass valve 24 on Hydrogen Line pneumatic stopping valve 14, hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve 20 and nitrogen pipeline pneumatic stopping valve 23 two ends pipelines.
Soldering oven is by working under following one of four states.
One, when igniting, operate: mode of operation is selected to start to heat up, hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve 20 is opened automatically, open nitrogen pipeline main valve 29 and nitrogen pipeline bypass valve 24, first nitrogen enters in stove by nitrogen gas flowmeter 8, cleaning furnace air, nitrogen flow can pass through manual adjustment, remove furnace air approximately 30 minutes, after confirming to have removed, control valve 28 when opening and regulating sealing gland gas flow, open hydrogen-nitrogen mixture gas pipeline main valve 17, regulate ignition gas flow control valve 7, regulate ignition gas flow, and light igniter, keep normal bright lamp will close and nitrogen pipeline bypass valve 24, open the each bypass line stop valve 10 of protective gas on the gas pipeline of each road simultaneously, in stove, send into hydrogen-nitrogen mixture gas, and regulate each hydrogen or hydrogen nitrogen mixed gas flowmeter body 9 by technological requirement, the successfully follow-up temperature of continuing rising of lighting a fire, after finishing, intensification switches to soldering pattern in computer.
Two, while needing in soldering to use hydrogen as protective gas; first confirm that whether hydrogen supply is normal; open Hydrogen Line main valve 12; operation control system enters gas supply and uses hydrogen state; Hydrogen Line pneumatic stopping valve 14 is opened automatically; hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve 20 is closed automatically; adjust each hydrogen bypass duct gas flow regulating valve 7; till allowing the gas flow of each branch road hydrogen or hydrogen nitrogen mixed gas flowmeter body 9 meet technological requirement, after completing, close hydrogen-nitrogen mixture gas pipeline main valve 17.
Three, while needing in soldering to use hydrogen nitrogen mixed gas as protective gas; first confirm that whether hydrogen-nitrogen mixture gas supply is normal; then open hydrogen-nitrogen mixture gas pipeline main valve 17; operation control system enters gas supply and uses ammonia decomposing state; hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve 20 is opened automatically; Hydrogen Line pneumatic stopping valve 14 is closed automatically; and regulate each hydrogen or hydrogen nitrogen mixed gas flowmeter body 9 by technological requirement; until meet technological requirement, after completing, close Hydrogen Line main valve 12.
Four, when case of emergency, system is closed the hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve 20 on Hydrogen Line pneumatic stopping valve 14 and hydrogen-nitrogen mixture gas pipeline on Hydrogen Line automatically, automatically open the nitrogen pipeline pneumatic stopping valve 23 on nitrogen pipeline, nitrogen enters in soldering oven by hydrogen or hydrogen nitrogen mixed gas flowmeter body 9 fast, completes flame-out process.
Be only preferred embodiment of the present utility model in sum, be not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all should be technology category of the present utility model.

Claims (3)

1. the switchable soldering oven equipment of protective gas, is characterized in that: it comprises hydrogen feeding mechanism (30), hydrogen-nitrogen mixture gas feeding mechanism (31) and nitrogen supply (NS) device (32), this hydrogen-nitrogen mixture gas feeding mechanism (31) is by being provided with hydrogen-nitrogen mixture gas pipeline main valve (17), hydrogen-nitrogen mixture gas Pressure gauge (18), hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve (20), the pipeline of hydrogen-nitrogen mixture gas pipeline check valve (19) is connected respectively to the igniter of soldering oven equipment, preheating section (1), bringing-up section (2), each cooling section (3, 4, 5) on hydrogen-nitrogen mixture gas supply line, on hydrogen-nitrogen mixture gas supply line, gas flow regulating valve is installed, the each bypass line stop valve of gas flowmeter and protective gas (10), this nitrogen supply (NS) device (32) is connected respectively to by the pipeline of nitrogen pipeline main valve (29), nitrogen pressure table (26), nitrogen pipeline pneumatic stopping valve (23), nitrogen pipeline check valve (22) is installed on the nitrogen supply (NS) pipeline of preheating section (1), bringing-up section (2), each cooling section (3,4,5) of soldering oven equipment, and gas flow regulating valve and gas flowmeter are installed on nitrogen supply (NS) pipeline, this hydrogen feeding mechanism (30) is connected respectively on the hydrogen-nitrogen mixture gas supply line of the igniter of soldering oven equipment, preheating section (1), bringing-up section (2), each cooling section (3,4,5) by the pipeline of Hydrogen Line main valve (12), Hydrogen Vapor Pressure table (13), Hydrogen Line pneumatic stopping valve (14), Hydrogen Line check valve (15) is installed.
2. the switchable soldering oven equipment of protective gas according to claim 1; it is characterized in that: this nitrogen supply (NS) device (32) is also connected on the nitrogen supply (NS) pipeline of nitrogen air seal set (6) of soldering oven equipment by pipeline, control valve (28) when sealing gland gas flowmeter (27), sealing gland gas flow are also installed on the nitrogen supply (NS) pipeline of this nitrogen air seal set (6).
3. the switchable soldering oven equipment of protective gas according to claim 1 and 2, it is characterized in that: this hydrogen feeding mechanism (30), Hydrogen Line pneumatic stopping valve (14) on hydrogen-nitrogen mixture gas feeding mechanism (31) and nitrogen supply (NS) device (32) pipeline, hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve (20) and nitrogen pipeline pneumatic stopping valve (23) are all connected in a magnetic valve group (25), and Hydrogen Line pneumatic stopping valve (14), difference Hydrogen Line bypass valve in parallel (16) on hydrogen-nitrogen mixture gas conduit pipe pneumatically stop valve (20) and nitrogen pipeline pneumatic stopping valve (23) two ends pipeline, hydrogen-nitrogen mixture gas pipeline bypass valve (21) and nitrogen pipeline bypass valve (24).
CN201420252903.4U 2014-05-19 2014-05-19 Brazing furnace equipment with protective gas switching function Expired - Lifetime CN203887355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420252903.4U CN203887355U (en) 2014-05-19 2014-05-19 Brazing furnace equipment with protective gas switching function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420252903.4U CN203887355U (en) 2014-05-19 2014-05-19 Brazing furnace equipment with protective gas switching function

Publications (1)

Publication Number Publication Date
CN203887355U true CN203887355U (en) 2014-10-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107914102A (en) * 2017-11-14 2018-04-17 扬州扬杰电子科技股份有限公司 A kind of eutectic welding procedure and the cooler bin for being used for realization cooling technique in the technique
CN109986164A (en) * 2017-12-29 2019-07-09 无锡威孚施密特动力系统零部件有限公司 A kind of novel high-pressure petrol pump parts of stainless steel brazing device and its soldering processes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107914102A (en) * 2017-11-14 2018-04-17 扬州扬杰电子科技股份有限公司 A kind of eutectic welding procedure and the cooler bin for being used for realization cooling technique in the technique
CN107914102B (en) * 2017-11-14 2019-11-01 扬州扬杰电子科技股份有限公司 A kind of eutectic welding procedure and the cooler bin for realizing cooling technique in the technique
CN109986164A (en) * 2017-12-29 2019-07-09 无锡威孚施密特动力系统零部件有限公司 A kind of novel high-pressure petrol pump parts of stainless steel brazing device and its soldering processes

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C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 201112 No. 96, Jiangchao Road, Minhang District, Shanghai

Patentee after: Saiwo Zhizao (Shanghai) Technology Co.,Ltd.

Address before: No.20196 minchao Road, Pujiang Town, Shanghai

Patentee before: SHANGHAI WINKELMANN LONGCHUAN (SWL) MOTORCOMPONENTS Co.,Ltd.

CX01 Expiry of patent term

Granted publication date: 20141022