CN207471536U - A kind of flame heating gas gun - Google Patents
A kind of flame heating gas gun Download PDFInfo
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- CN207471536U CN207471536U CN201721620715.2U CN201721620715U CN207471536U CN 207471536 U CN207471536 U CN 207471536U CN 201721620715 U CN201721620715 U CN 201721620715U CN 207471536 U CN207471536 U CN 207471536U
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- air inlet
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- inlet
- inlet plenum
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Abstract
The utility model discloses a kind of flame heating gas gun, including fuel gas interface, cassette interface, air inlet pipe, air inlet adjustment valve, nozzle one, inlet plenum one, mixture pipe one, nozzle two, inlet plenum two, mixture pipe two, bocca, handle, power supply, ignition switch, pulse igniter, ignition electrode, line of striking sparks；The utility model is using butane gas spray gun is small, at low cost, wireless portable, the advantages of combustion products is water and carbon dioxide, clean environment firendly, structure increasing blowing force is inhaled, while make full combustion of fuel by penetrating twice, make jet flames longer, it is more stable, meet welding preheating requirement.Solve it is existing welding pre-heating mean it is long there are the production cycle, it is of high cost, it is less economical, it is not readily portable the problems such as.
Description
Technical field
The utility model is specifically related to a kind of flame heating gas gun.
Background technology
In the manufacture of most of welding structural element, the welding of important component, the welding of steel alloy and the welding of thick parts are
Ensure weldquality, requiring must preheat before weldering, and the purpose of weld preheating is:
(1) preheating can reduce the cooling velocity of welding point, be conducive to diffusible hydrogen in weld metal and escape, hydrogen can be avoided to cause
Crackle；
(2) preheating can extend the cooling time of 800-500 DEG C of temperature ranges in heat affected area, and welding point is solidified from just
High temperature into room temperature cooling procedure, metallographic structure will change, and transformation will takes place from 800 DEG C in austenite, work as cooling
When slower, ferrite and pearlite or troostite are transformed into, thus avoids the occurrence of martensite hardened structure, improves welding
Connector crack resistance, so as to avoid weld crack；
(3) preheating can reduce welding stress, and it is whole with weldment that preheating (local preheating or whole preheating) can reduce welding section
Temperature difference (also referred to as temperature gradient) between temperature, this temperature difference is smaller, and temperature unevenness is also got between welding section and weldment structure
It is small, as a result, on the one hand reducing welding stress, weld strain rate is on the other hand reduced, is conducive to avoid weld crack；
(4) preheating can reduce welded constraint (restraint) degree, particularly evident to reducing corner connection constraint (restraint) degree, with preheating temperature
It improves, cracking breakout declines.
Modern welding technology pre-heating mean has the following problems：Stove preheating or Far-infrared Heating are entered using entirety, there are lifes
The problem of production period is long, of high cost, malfunction；It is heated using oxy-acetylene flame, it is necessary to less economical using oxygen；Family
External welding pre-heating device is inconvenient to carry.
Now there is a kind of safe butane gas flame gun in the market, the device is only with one bottle of gas, a gas-guide tube and one
Lance head, can just light a fire heating in air, while using the flame gun of pure butagas, can be given directly as barbecue tool
Food materials process, combustion products be water and carbon dioxide, clean environment firendly.The work of pipelined combustion gas is needed relative to welding torch etc.
Tool, portable flame gun have the advantages of gas tank one, wireless portable, but are limited to portable flame gun by the oxygen in air
Factor in terms of burning and gaseous-pressure, common portable flame gun is there are incomplete combustion, flame temperature is not high, firepower
It is small, combustion efficiency is poor, the problems such as flame instability, it is impossible to meet welding preheating requirement.
Now using butane gas spray gun is small, at low cost, wireless portable, combustion products is water and carbon dioxide, clearly
The advantages of clean environmental protection, but it is there are incomplete combustion, flame temperature is not high, firepower is small, combustion efficiency is poor, and flame instability etc. is asked
Topic, it is impossible to meet welding preheating requirement；Using suction principle is penetrated, having redesigned one kind can fully burn, is fiery the utility model
Power is big, flame stabilization, portable gas gun.
Invention content
The purpose of this utility model is to provide a kind of flame heating gas guns, solve existing butane gas spray gun and deposit
In incomplete combustion, flame temperature is not high, firepower is small, combustion efficiency is poor, flame instability, it is impossible to meet welding preheating requirement
Problem；Design one kind can fully burn, firepower is big, flame stabilization, portable gas gun, solve existing welding preheating
Method is long there are the production cycle, of high cost, less economical, it is not readily portable the problems such as.
The technical solution adopted in the utility model is as follows：
A kind of flame heating gas gun, including fuel gas interface, cassette interface, air inlet pipe, air inlet adjustment valve, nozzle
One, inlet plenum one, mixture pipe one, nozzle two, inlet plenum two, mixture pipe two, bocca, handle, power supply, ignition switch,
Pulse igniter, ignition electrode, line of striking sparks；It is characterized in that：The fuel gas interface is located at spray gun tail portion, and internal cavities are air inlet
Pipe；The cassette interface is located at spray gun tail portion lower surface, adjacent with fuel gas interface, and internal inlet channel is vertical with air inlet pipe to be connect
It is logical；The air inlet pipe is extended to inside inlet plenum one, and gas outlet is nozzle one, and nozzle one is close to one air inlet of mixture pipe；
The air inlet adjustment valve is mounted on spray gun tail portion upper surface, and body portion is mounted in air inlet pipe；One cavity of inlet plenum
Surface has airport to be communicated with the external world；One inlet end of mixture pipe is connected, and extend in inlet plenum two with inlet plenum one
Portion, gas outlet are nozzle two, and nozzle two is close to two air inlet of mixture pipe；Two housing surface of inlet plenum have airport with
The external world communicates, and two inlet end of mixture pipe is connected with inlet plenum two, and ignition electrode is installed at gas outlet；The bocca is removable
It is mounted on gun head with unloading；The power supply is mounted on gun handle bottom end；The ignition switch is located at before handle in groove,
It is connect by circuit controling line with pulse igniter；The pulse igniter is installed on power supply upper space, and lower end passes through electric wire
It is connect with power supply, upper end is connect by striking sparks line with being installed on ignition electrode at two gas outlet of mixture pipe.
The beneficial effects of the utility model are：A kind of flame heating gas gun is provided, the apparatus structure is simple, system
Make it is of low cost, hand-held make welding preheating it is more flexible, especially outdoors welding preheating when be convenient for carrying；The present apparatus passes through
It penetrates twice and inhales structure increasing blowing force, while make full combustion of fuel, make jet flames longer, more stable, meeting welding preheating will
It asks.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：Fuel gas interface（1）, cassette interface（2）, air inlet pipe（3）, air inlet adjustment valve（4）, nozzle one（5）, inlet plenum
One（6）, mixture pipe one（7）, nozzle two（8）, inlet plenum two（9）, mixture pipe two（10）, bocca（11）, handle（12）,
Power supply（13）, ignition switch（14）, pulse igniter（15）, ignition electrode（16）, line of striking sparks（17）, inlet channel (2-1), sky
Stomata（6-1）, airport（9-1）.
Specific embodiment
It is the better embodiment of the utility model below, but does not therefore limit the scope of protection of the utility model.
As shown in the figure, a kind of flame heating gas gun, including fuel gas interface（1）, cassette interface（2）, air inlet pipe
（3）, air inlet adjustment valve（4）, nozzle one（5）, inlet plenum one（6）, mixture pipe one（7）, nozzle two（8）, inlet plenum two（9）,
Mixture pipe two（10）, bocca（11）, handle（12）, power supply（13）, ignition switch（14）, pulse igniter（15）, igniting
Needle（16）, line of striking sparks（17）；It is characterized in that：The fuel gas interface（1）Positioned at spray gun tail portion, internal cavities are air inlet pipe（3）；
The cassette interface（2）Positioned at spray gun tail portion lower surface, with fuel gas interface（1）It is adjacent, internal inlet channel（2-1）With air inlet pipe
（3）It is vertical to connect；The air inlet pipe（3）Extend to inlet plenum one（6）Inside, gas outlet are nozzle one（5）, nozzle one（5）
Close to mixture pipe one（7）Air inlet；The air inlet adjustment valve（4）Mounted on spray gun tail portion upper surface, body portion installation
In air inlet pipe（3）It is interior；The inlet plenum one（6）Housing surface has airport（6-1）It is communicated with the external world；The mixture pipe one
（7）Inlet end and inlet plenum one（6）It connects, and extends to inlet plenum two（9）Inside, gas outlet are nozzle two（8）, nozzle two
（8）Close to mixture pipe two（10）Air inlet；The inlet plenum two（9）Housing surface has airport（9-1）It is communicated with the external world；Institute
State mixture pipe two（10）Inlet end and inlet plenum two（9）It connects, ignition electrode is installed at gas outlet（16）；The bocca（11）
It is removably mounted on gun head；The power supply（13）Mounted on gun handle（12）Bottom end；The ignition switch（14）Position
In handle（12）In the groove of front, pass through circuit controling line and pulse igniter（15）Connection；The pulse igniter（15）Peace
Loaded on power supply（13）Upper space, lower end pass through electric wire and power supply（13）Connection, upper end passes through line of striking sparks（17）It is mixed with being installed on
Close tracheae two（10）Ignition electrode at gas outlet（16）Connection.
Specific embodiment of the present utility model：There is a point two ways when the utility model is used：When welding warm-up operation
Time is not grown, and can pass through cassette interface（2）Canned butane is installed to be preheated；When needing to preheat for a long time, can be incited somebody to action with hose
Fuel gas interface（1）It connect with butane liquefied pot, preheats for a long time.
After the utility model connects air source, combustion gas is through air inlet pipe（3）With certain speed enter spray gun inside, by into
Gas regulating valve（4）Air inflow is adjusted, combustion gas is through nozzle one（5）It projects at a high speed, continuous band walks inlet plenum one（6）Interior air, air inlet
Room one（6）Interior formation low-pressure area, outside air pass through airport under atmospheric pressure（6-1）Into inlet plenum one（6）, two
Fluid streams are in mixture pipe one（7）The interior transmission and exchange for carrying out energy, through mixture pipe one（7）After mixing, by nozzle two（8）
It sprays, similary inlet plenum two（9）Interior air is pulled away, and outside air passes through airport under atmospheric pressure（9-1）Into
Inlet plenum two（9）, two fluids is in mixture pipe two（10）The transmission and exchange of energy are inside carried out again, through penetrating suction structure twice
Ensure there is sufficient oxygen to be mixed with combustion gas；Mixed gas is in mixture pipe two（10）It is ignited at gas outlet, through flame
Mouth（11）Gun body is sprayed to preheat to weldment.
Further the utility model uses pulse igniter（15）Control igniting, this igniter fire rate is high, can be continuous
Electric discharge.Press ignition switch（14）, pulse igniter starts to light a fire；Unclamp ignition switch（14）, pulse stop igniting, facilitate behaviour
Make.
Claims (1)
1. a kind of flame heating gas gun, including fuel gas interface, cassette interface, air inlet pipe, air inlet adjustment valve, nozzle one,
Inlet plenum one, mixture pipe one, nozzle two, inlet plenum two, mixture pipe two, bocca, handle, power supply, ignition switch, pulse
Igniter, ignition electrode, line of striking sparks；It is characterized in that：The fuel gas interface is located at spray gun tail portion, and internal cavities are air inlet pipe；Institute
It states cassette interface and is located at spray gun tail portion lower surface, adjacent with fuel gas interface, internal inlet channel is vertical with air inlet pipe to be connected；It is described
Air inlet pipe is extended to inside inlet plenum one, and gas outlet is nozzle one, and nozzle one is close to one air inlet of mixture pipe；The air inlet
Regulating valve is mounted on spray gun tail portion upper surface, and body portion is mounted in air inlet pipe；One housing surface of inlet plenum is had time
Stomata is communicated with the external world；One inlet end of mixture pipe is connected, and extend to inside inlet plenum two, outlet with inlet plenum one
Mouth is nozzle two, and nozzle two is close to two air inlet of mixture pipe；Two housing surface of inlet plenum has airport to be communicated with the external world,
Two inlet end of mixture pipe is connected with inlet plenum two, and ignition electrode is installed at gas outlet；The bocca is mounted on lance head
Portion；The power supply is mounted on gun handle bottom end；The ignition switch is located at before handle in groove, by circuit controling line with
Pulse igniter connects；The pulse igniter is installed on power supply upper space, and lower end is connect by electric wire with power supply, and upper end leads to
It crosses sparking line and is connect with being installed on ignition electrode at two gas outlet of mixture pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721620715.2U CN207471536U (en) | 2017-11-29 | 2017-11-29 | A kind of flame heating gas gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721620715.2U CN207471536U (en) | 2017-11-29 | 2017-11-29 | A kind of flame heating gas gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207471536U true CN207471536U (en) | 2018-06-08 |
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ID=62259037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721620715.2U Active CN207471536U (en) | 2017-11-29 | 2017-11-29 | A kind of flame heating gas gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207471536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301732A (en) * | 2022-08-10 | 2022-11-08 | 深圳市东贤工业材料有限公司 | Energy-saving high accuracy hot press unit for copper strips processing |
-
2017
- 2017-11-29 CN CN201721620715.2U patent/CN207471536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301732A (en) * | 2022-08-10 | 2022-11-08 | 深圳市东贤工业材料有限公司 | Energy-saving high accuracy hot press unit for copper strips processing |
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