CN207372467U - A kind of energy-saving gas soldering oven - Google Patents
A kind of energy-saving gas soldering oven Download PDFInfo
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- CN207372467U CN207372467U CN201721382044.0U CN201721382044U CN207372467U CN 207372467 U CN207372467 U CN 207372467U CN 201721382044 U CN201721382044 U CN 201721382044U CN 207372467 U CN207372467 U CN 207372467U
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- preheating section
- heating furnace
- furnace body
- heat exchanger
- soldering oven
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Abstract
The utility model provides a kind of energy-saving gas soldering oven; insulating brick including being arranged on soldering oven heating furnace body bottom; at the top of soldering oven heating furnace body and side is heating furnace body insulating layer; preheating section is communicated between soldering oven heating furnace body and feed zone; hot-fluid recovery approach is equipped between preheating section and soldering oven heating furnace body; preheating section Muffle is equipped in preheating section, by flanged joint, preheating section Muffle is connected with protection gas for preheating section Muffle and the in vivo heating furnace body Muffle of soldering oven heating furnace；Preheating section offgas outlet is connected with secondary heat reclamation device, which connects with the burner of soldering oven heating furnace body side.The utility model is by increasing preheating section, by being heated from the hot gas that heating furnace body is discharged to the workpiece and guipure of preheating section, pass through heat exchanger afterwards, heat transfer gives burner combustion air, heating furnace body burner actual use power is reduced, reducing gas consumption reduces production cost.
Description
Technical field
The utility model belongs to soldering oven technical field, and in particular to a kind of energy-saving gas soldering oven.
Background technology
Network bringing type brazing technique is that workpiece and various forms of solders are fixed together with certain mode, is put into soldering
Stove feeding end, workpiece brought into workpiece and solder in soldering oven by soldering processes requirement with certain heating rate by guipure and
Solder fusing filling workpiece gap is formed full bright weld seam by cooling rate, and heating furnace body is burnt using electrical heating and combustion gas at present
Mouth heat form, but electrically heated cost is more of high cost than gas heating, therefore in power supply shortage and combustion gas resource
Abundant area, it is general that gas heating is selected to save operating cost.
But it when being brazed stove heat using combustion gas, has the following problems：
1. net belt type combustion gas soldering oven does not have preheating section, workpiece is directly entered bringing-up section heating, and burner uses power
Height, energy consumption are big；
2. 1000 DEG C or so of heating furnace body operating temperature, the hot air temperature of discharge at 900 DEG C or so, make by hot waste gas emptying
Into waste, remaining heat can not be made full use of, the thermal efficiency is low.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical problems existing in the prior art, and combustion gas tail gas is repeatedly recycled profit
With making full use of its thermal energy, improve combustion gas utilization ratio, it is energy saving to achieve the effect that reduce equipment energy consumption.
For this purpose, the utility model provides a kind of energy-saving gas soldering oven, including being arranged on soldering oven heating furnace body bottom
Insulating brick, at the top of soldering oven heating furnace body and side is heating furnace body insulating layer, the soldering oven heating furnace body and charging
Preheating section is communicated between section, hot-fluid recovery approach, the preheating section are equipped between the preheating section and soldering oven heating furnace body
Interior preheating section Muffle, the preheating section Muffle and the in vivo heating furnace body Muffle of soldering oven heating furnace of being equipped with by flanged joint,
The preheating section Muffle is connected with protection gas；
The preheating section offgas outlet is connected with secondary heat reclamation device, the secondary heat reclamation device and soldering oven heating furnace
The burner connection of body side surface.
The preheating section Muffle is stainless steel, and 700-900 DEG C of heatproof, heating furnace body Muffle is high temperature resistant stainless steel material
Matter, heatproof are more than 1000 degree.
The secondary heat reclamation device is heat exchanger, and the heat exchanger connects combustion-aid air system, the combustion-supporting sky
Gas system includes combustion fan, comburent air duct, and the heat exchanger includes heat exchanger gas inlet, heat exchanger tail gas
Outlet, heat exchanger combustion air inlet and heat exchanger combustion air exports；
The heat exchanger gas inlet and pass through pipe between the preheating section gas outlet of part lower face before preheating section
Road connects, and described comburent air duct one end connect with heat exchanger combustion air exports, the other end and arranged on being brazed stove heat
The burner connection of furnace body side, the heat exchanger combustion air inlet are connected by pipeline with combustion fan.
The preheating section is surrounded by preheating section insulating layer, there is region partition, the preheating section horse among the preheating section
Not there is hot wind adjustable plate between preheating section insulating layer, the preheating section Muffle is equipped with reinforcing rib.
The hot-fluid recovery approach is smoke discharging pipe A, and the smoke discharging pipe A is arranged on outside soldering oven, and the smoke discharging pipe A is set
There is insulating layer.
Pressure gauge and low pressure pressure are equipped on the pipeline that the heat exchanger combustion air inlet is connected with combustion fan successively
Power switchs, be equipped with successively on the comburent air duct between the heat exchanger combustion air exports and burner Electric Actuator and
Butterfly valve.
The heat exchanger further includes external insulation layer, between the heat exchanger gas inlet and preheating section gas outlet
Pipeline is equipped with insulating layer.
The heat exchanger combustion air inlet and heat exchanger combustion air exports are provided close to soldering oven heating furnace
The side of body, the heat exchanger gas inlet, heat exchanger offgas outlet are respectively arranged on the front/rear end of heat exchanger.
The combustion fan front end is equipped with air filter.
The beneficial effects of the utility model are：
1）The hot gas discharged from heating furnace body（Temperature is at 900 DEG C or so）Preheating section is first passed through to be used for heating workpiece and net
Band into heating furnace body after workpiece and guipure the temperature rise of preheating section, reduces heating furnace body burner actual use power, directly
Connecing, which reduces gas consumption, reduces production cost, and hot gas moves towards reasonable Arrangement, in preheating section Muffle in preheating section
Reinforcing rib can not only prevent that Muffle temperature distortion from also improving Muffle service life and can also to improve heat exchanger effectiveness fully sharp
Use waste heat.
2）From preheating section come out hot air temperature 400 DEG C or so by heat exchanger by a part of heat transfer to burner
Combustion air makes the temperature of combustion air be increased to 250 DEG C or so, after burner combustion air temperature improves, effectively raises
The thermal efficiency of heating furnace body burner, also uses waste heat, and the heat after combustion of natural gas is fully used, and heat is avoided to spill into
Air and cause to waste.
It is described in further details below in conjunction with attached drawing.
Description of the drawings
Fig. 1 is the top view of the utility model；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the front view of preheating section；
Fig. 4 is the principle schematic of combustion-aid air system；
Fig. 5 is the structure diagram of heat exchanger.
In figure：1st, heating furnace body；2nd, comburent air duct；3rd, smoke discharging pipe A；4th, preheating section；5th, smoke discharging pipe B；6th, arrange
Cigarette wind turbine；7th, heat exchanger；8th, heat exchanger combustion air inlet；9th, heat exchanger combustion air exports；10th, chimney；11st, add
Hot stove body heat outlet；12nd, heating furnace body Muffle；13rd, heating furnace body insulating layer；14th, insulating brick；15th, burner；16th, combustion air
Machine；17th, heat exchanger gas inlet；18th, plenum chamber；19th, fin heat exchange pipe；20th, external insulation layer；21st, heat exchanger tail gas
Outlet；22nd, protective gas chimney；23rd, preheating section Muffle；24th, reinforcing rib；25th, region partition；26th, preheating section insulating layer；27、
Hot wind adjustable plate；28th, preheating section inlet exhaust gas；29th, preheating section offgas outlet；30th, pressure gauge；31st, low pressure switchs；32；
Butterfly valve；33rd, Electric Actuator.
Specific embodiment
Embodiment 1：
A kind of energy-saving gas soldering oven is present embodiments provided, the insulating brick including being arranged on 1 bottom of soldering oven heating furnace body
14, it is heating furnace body insulating layer 13, the soldering oven heating furnace body 1 and charging arranged on 1 top of soldering oven heating furnace body and side
Preheating section 4 is communicated between section, hot-fluid recovery approach, the preheating are equipped between the preheating section 4 and soldering oven heating furnace body 1
Preheating section Muffle 23 is equipped in section 4, the heating furnace body Muffle 12 in the preheating section Muffle 23 and soldering oven heating furnace body 1 passes through
Flanged joint, the preheating section Muffle 23 are connected with protection gas；
4 offgas outlet of preheating section is connected with secondary heat reclamation device, the secondary heat reclamation device and soldering stove heat
The burner 15 of 1 side of furnace body connects.
The hot gas discharged from heating furnace body heat outlet 11（Temperature is at 900 DEG C or so）Preheating section 4 is first passed through to be used for heating
Into heating furnace body 1 after workpiece and guipure the temperature rise of preheating section 4, it is real to reduce 1 burner of heating furnace body 15 for workpiece and guipure
Border uses power, and directly reducing gas consumption reduces production cost.Preheating section Muffle 23 and heating furnace body Muffle 12
It is connected with protection gas（Workpiece is avoided to aoxidize, influences to be brazed effect）, workpiece sequentially enters 1 body of preheating section and heating furnace from feed zone
It is interior, workpiece is preheated and is brazed under protective atmosphere respectively.The hot gas that preheating section comes out enters secondary heat reclamation device pair
Heat carries out secondary use, further improves the thermal efficiency of 1 burner 15 of heating furnace body.
Embodiment 2：
On the basis of embodiment 1, a kind of energy-saving gas soldering oven is present embodiments provided, the preheating section Muffle 23 is
Stainless steel（700-900 DEG C of heatproof）, heating furnace body Muffle 12 is high temperature resistant stainless steel material, and heatproof is more than 1000 degree.
As shown in Figure 1 and Figure 2, the secondary heat reclamation device is heat exchanger 7, and the heat exchanger 7 connects combustion air
System, the combustion-aid air system include combustion fan 16, comburent air duct 2, and the heat exchanger 7 includes heat exchanger tail
Gas entrance 17, heat exchanger offgas outlet 21, heat exchanger combustion air inlet 8 and heat exchanger combustion air exports 9；
The heat exchanger gas inlet 17 and between 4 gas outlet of preheating section of part lower face before preheating section 4 lead to
Piping connects, and described 2 one end of comburent air duct connects with heat exchanger combustion air exports 9, the other end and arranged on soldering
The burner 15 of 1 side of stove heat furnace body connects, and the heat exchanger combustion air inlet 8 is connected by pipeline and combustion fan 16
It is logical.
Hot gas after burner combustion formed in heating furnace body outside Muffle 12 circulating current to heating furnace body Muffle 12 uniformly,
Quick heating, heating furnace body Muffle 12 heat after hot gas through hot-fluid recovery approach enter preheating section 4 to preheating section Muffle 23 into
Row heating.
From preheating section 4 come out hot air temperature 400 DEG C or so by heat exchanger 7 by a part of heat transfer to burner
15 combustion airs make the temperature of combustion air be increased to 250 DEG C or so, after 15 combustion air temperature of burner improves, effectively carry
The high thermal efficiency of 1 burner 15 of heating furnace body, also uses waste heat, and the heat after combustion of natural gas is fully used, and is avoided
Heat spills into air and causes to waste.
Embodiment 3：
On the basis of embodiment 1 and embodiment 2, a kind of energy-saving gas soldering as shown in Figure 3 is present embodiments provided
Stove, the preheating section 4 are surrounded by preheating section insulating layer 26, there is region partition 25, the preheating section horse among the preheating section 4
Not there is hot wind adjustable plate 27 between 23 and preheating section insulating layer 26, the preheating section Muffle 23 is equipped with reinforcing rib 24.
Preheated section of inlet exhaust gas 28 of hot gas that heating furnace body 1 is discharged heats preheating section Muffle 23 into preheating section 4, adds
Preheated section of offgas outlet 29 of tail gas enters heat exchanger gas inlet 17 after heat, and heat exchange is carried out with air, in the process,
4 workpiece temperature of preheating section raises, and 1 burner 15 of heating furnace body will be reduced using power.Wherein, hot wind adjustable plate 27 can make
Hot wind speed uniformly, improves the temperature uniformity of preheating section Muffle 23 in preheating section 4；Reinforcing rib 24 can not only prevent Muffle from being become by heat
Shape improves Muffle service life and can also improve heat exchanger effectiveness and make full use of waste heat；Preheating section insulating layer 26 reduces heat
It scatters and disappears.
The hot-fluid recovery approach is smoke discharging pipe A3, and the smoke discharging pipe A3 is arranged on outside soldering oven, the smoke discharging pipe
A3 is equipped with insulating layer.As shown in Figure 1.
As shown in figure 4, pressure is equipped on the pipeline that the heat exchanger combustion air inlet 8 is connected with combustion fan 16 successively
Power table 30 and low pressure switch 31, on the comburent air duct 2 between the heat exchanger combustion air exports 9 and burner 15
Electric Actuator 33 and butterfly valve 32 are equipped with successively.Wherein, among heating furnace body 1 it is heating furnace body Muffle 12, workpiece and guipure lead to
Cross heating furnace body Muffle 12,1 bottom of heating furnace body is insulating brick 14 and Muffle supporting brick, and top and side are insulating layer, both sides
Burner 15 is disposed in the upper and lower arranged crosswise in 1 both sides of heating furnace body, burner 15 is passed through combustion air by preheating and natural
Gas, two burners 15（Burner is not limited to two, more or less than two）It is connected after parallel connection with comburent air duct 2.
In the present embodiment, the pipeline between 4 gas outlet of heat exchanger gas inlet 17 and preheating section（That is the row in Fig. 1
Smoke pipeline B5）Equipped with insulating layer.The heat exchanger 7 further includes external insulation layer 20.
In order to reduce scattering and disappearing for thermal energy, heat exchanger 7, smoke discharging pipe A3, smoke discharging pipe B5, comburent air duct 2 have
Insulating layer, and the installation site of heat exchanger 7 will cause smoke discharging pipe A3, smoke discharging pipe B5, comburent air duct 2 all to try one's best
It is short with reduce heat scatter and disappear.
The heat exchanger combustion air inlet 8 and heat exchanger combustion air exports 9 are provided close to soldering stove heat
The side of furnace body 1, the heat exchanger gas inlet 17, heat exchanger offgas outlet 21 are respectively arranged on the front and rear of heat exchanger 7
End face.
The structure of heat exchanger 7 is as shown in figure 5, including external insulation layer 20, internal several fin heat exchange pipes 19, Ruo Ganji
Gas tank 18, hot gas pass through passage by passage, cold air.
16 front end of combustion fan is equipped with air filter.Preheating section 4 is equipped with protective gas chimney 22.
Principle and the course of work：Hot gas after the burning of burner 15 of 1 side of soldering oven heating furnace body is in heating furnace body Muffle
It forms circulating current outside 12 to heat heating furnace body Muffle 12, the hot gas after heating heating furnace body Muffle 12 recycles logical through hot-fluid
Road enters preheating section 4 and preheating section Muffle 23 is heated, and hot gas is entered by pipeline by heat exchanger gas inlet 17 afterwards
Heat exchanger 7, meanwhile, air enters heat exchanger 7, hot gas and sky by combustion fan 16 and heat exchanger combustion air inlet 8
Gas carries out heat exchange, and the hot-air after heat exchange is passed through after entering comburent air duct 2 by heat exchanger combustion air exports 9
The burner 15 of 1 side of soldering oven heating furnace body, tail gas after heat exchange is by heat exchanger offgas outlet 21 again after smoke exhaust fan 6
It is discharged by chimney 10.
It is at low cost in order to reduce manufacture, make device structure compact, the feed zone of soldering oven can be made into preheating section, by original
There is feed zone surrounding to do insulating layer, the hot gas in heating furnace body 1 is made to be passed into preheating section by smoke discharging pipe, to preheating section Muffle
23 heating, this kind of scheme preheating section and heating furnace body 1 be by flanged joint, since preheating section temperature is low, preheating section Muffle material
Matter is made of common stainless steel.Because having lacked a feed zone, heat losses can also be reduced, and improved and improved heat time
Utilization ratio is received, it is energy saving.
The present embodiment belongs to the common knowledge and known technology of the art without the part of specific descriptions, herein not
Another one is described in detail.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to the utility model
Limitation, it is every to be belonged to the same or similar design of the utility model within the scope of protection of the utility model.
Claims (9)
1. a kind of energy-saving gas soldering oven, including being arranged on soldering oven heating furnace body（1）The insulating brick of bottom（14）, arranged on soldering oven
Heating furnace body（1）Top and the heating furnace body insulating layer of side（13）, it is characterised in that：The soldering oven heating furnace body（1）With
Preheating section is communicated between feed zone（4）, the preheating section（4）With soldering oven heating furnace body（1）Between to be equipped with hot-fluid recycling logical
Road, the preheating section（4）It is interior to be equipped with preheating section Muffle（23）, the preheating section Muffle（23）With soldering oven heating furnace body（1）It is interior
Heating furnace body Muffle（12）By flanged joint, the preheating section Muffle（23）It is connected with protection gas；
The preheating section（4）Offgas outlet is connected with secondary heat reclamation device, the secondary heat reclamation device and soldering oven heating furnace
Body（1）The burner of side（15）Connection.
2. a kind of energy-saving gas soldering oven according to claim 1, it is characterised in that：The preheating section Muffle（23）For not
Rust steel material, 700-900 DEG C of heatproof, heating furnace body Muffle（12）For high temperature resistant stainless steel material, heatproof is more than 1000 degree.
3. a kind of energy-saving gas soldering oven according to claim 1, it is characterised in that：The secondary heat reclamation device is heat
Exchanger（7）, the heat exchanger（7）Combustion-aid air system is connected, the combustion-aid air system includes combustion fan（16）, help
Fire air pipeline（2）, the heat exchanger（7）Including heat exchanger gas inlet（17）, heat exchanger offgas outlet（21）, heat
Exchanger combustion air inlet（8）With heat exchanger combustion air exports（9）；
The heat exchanger gas inlet（17）With arranged on preheating section（4）The preheating section of preceding part lower face（4）Between gas outlet
It is connected by pipeline, the comburent air duct（2）One end and heat exchanger combustion air exports（9）Connection, the other end and sets
In soldering oven heating furnace body（1）The burner of side（15）Connection, the heat exchanger combustion air inlet（8）By pipeline with helping
Fire wind turbine（16）Connection.
4. according to a kind of energy-saving gas soldering oven of claim 1-3 any one of them, it is characterised in that：The preheating section（4）
It is surrounded by preheating section insulating layer（26）, the preheating section（4）There is region partition in centre（25）, the preheating section Muffle（23）With
Preheating section insulating layer（26）Between have hot wind adjustable plate（27）, the preheating section Muffle（23）It is equipped with reinforcing rib（24）.
5. according to a kind of energy-saving gas soldering oven of claim 1-3 any one of them, it is characterised in that：The hot-fluid recycling is logical
Road is smoke discharging pipe A（3）, the smoke discharging pipe A（3）Outside soldering oven, the smoke discharging pipe A（3）Equipped with insulating layer.
6. a kind of energy-saving gas soldering oven according to claim 3, it is characterised in that：The heat exchanger combustion air enters
Mouthful（8）With combustion fan（16）Pressure gauge is equipped on the pipeline of connection successively（30）It is switched with low pressure（31）, the heat friendship
Parallel operation combustion air exports（9）And burner（15）Between comburent air duct（2）On successively be equipped with Electric Actuator（33）With
Butterfly valve（32）.
7. a kind of energy-saving gas soldering oven according to claim 3, it is characterised in that：The heat exchanger（7）It further includes
External insulation layer（20）, the heat exchanger gas inlet（17）And preheating section（4）Pipeline between gas outlet is equipped with insulating layer.
8. a kind of energy-saving gas soldering oven according to claim 3, it is characterised in that：The heat exchanger combustion air enters
Mouthful（8）With heat exchanger combustion air exports（9）It is provided close to soldering oven heating furnace body（1）Side, the heat exchanger
Gas inlet（17）, heat exchanger offgas outlet（21）It is respectively arranged on heat exchanger（7）Front/rear end.
9. a kind of energy-saving gas soldering oven according to claim 3 or 6, it is characterised in that：The combustion fan（16）Before
End is equipped with air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721382044.0U CN207372467U (en) | 2017-10-25 | 2017-10-25 | A kind of energy-saving gas soldering oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721382044.0U CN207372467U (en) | 2017-10-25 | 2017-10-25 | A kind of energy-saving gas soldering oven |
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| Publication Number | Publication Date |
|---|---|
| CN207372467U true CN207372467U (en) | 2018-05-18 |
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ID=62336057
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721382044.0U Active CN207372467U (en) | 2017-10-25 | 2017-10-25 | A kind of energy-saving gas soldering oven |
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| Country | Link |
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| CN (1) | CN207372467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925295A (en) * | 2018-06-30 | 2018-12-04 | 潍坊友容实业有限公司 | Salt-soda soil greenhouse energy-saving heat preserving system |
-
2017
- 2017-10-25 CN CN201721382044.0U patent/CN207372467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925295A (en) * | 2018-06-30 | 2018-12-04 | 潍坊友容实业有限公司 | Salt-soda soil greenhouse energy-saving heat preserving system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201123 Address after: Room 21705, software apartment, block B / C, Xi'an City, Shaanxi Province Patentee after: XI'AN AOJIE ELECTRIC HEATING ENGINEERING Co.,Ltd. Address before: 712000 Xianyang City, Shaanxi Province East Metro Symphony No. 3 West Road Everbright Patentee before: Hu Jie |
|
| TR01 | Transfer of patent right |