CN211600684U - Flame gun capable of increasing flame temperature - Google Patents
Flame gun capable of increasing flame temperature Download PDFInfo
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- CN211600684U CN211600684U CN201922212973.2U CN201922212973U CN211600684U CN 211600684 U CN211600684 U CN 211600684U CN 201922212973 U CN201922212973 U CN 201922212973U CN 211600684 U CN211600684 U CN 211600684U
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Abstract
The utility model provides a promote flame temperature's flame gun, including gas pipeline and combustion-supporting pipeline, the gas pipeline cover is established outside combustion-supporting pipeline, be equipped with the powder pipeline in the combustion-supporting pipeline, gas and combustion-supporting gas and powder intensive mixing, the powder obtains abundant burning through high temperature region, is equipped with first stand-by pipeline between combustion-supporting pipeline and the gas pipeline. This scheme is effectual has improved the abundant burning of powder, has improved the machining efficiency to the powder, with gas and integrative setting of powder pipeline, the effectual utilization ratio that improves the high temperature has reduced the loss of the energy, separately sets up gas and combustion-supporting gas, carries according to certain flow, the effectual combustion efficiency who improves the gas, the utility model discloses the commonality is strong, can process the wide application of being convenient for to the metal powder of difference.
Description
Technical Field
The utility model relates to a combustor equipment, especially a promote flame gun of flame temperature.
Background
With the development and progress of science and technology, the requirement of each field on materials is gradually increased, the application field of nano material metal powder is more and more extensive, the requirement on production is more and more high, the required quantity is more and more large, the nano material metal powder is more and more widely applied in 3D printing, however, the temperature of metal melting liquid is at the high temperature of thousands of degrees when the metal melting liquid is subjected to plasma atomization in the production process, the combustion heat value is not high (the combustion is insufficient and harmful gas is easily generated) in a traditional combustor (flame gun), the flame temperature is lower (the industrial production requirement cannot be met), the energy utilization rate is low (the energy consumption is large), the efficiency is low, the industrial high temperature requirement cannot be met, the service life of the combustor is short, a powder feeding device cannot be integrated into a whole, the universality of the combustor (the flame gun) is poor, and damaged parts.
The patent No. CN103277792B discloses a plasma pulverized coal burner, which relates to a pulverized coal burner, and comprises an anode, an insulating connecting piece, a cathode, a back seat, a pulverized coal diffuser and a back end cover, wherein the anode is connected to the back seat through the insulating connecting piece, an axial center through hole of the anode forms a compression pore passage, a cooling water jacket is arranged in the body of the anode, the front end of the anode is a torch outlet, and the back end of the anode extends into the hollow space of the insulating connecting piece; the cathode is arranged in the hollow space of the insulating connecting piece, the hollow space of the cylinder forms a cathode inner cavity, the lower end of the cathode is connected to the rear seat, the upper end of the cylinder of the cathode is in a bell mouth shape, the outer edge of the bell mouth is provided with a swirl groove, the inner edge of the bell mouth at the upper end of the cathode is close to the rear end of the anode, and a space between the inner edge of the bell mouth at the upper end of the cathode and the rear end of the anode forms an annular airflow channel; the rear end cover is connected to the rear end of the rear seat, and the pulverized coal diffuser is connected to the rear end cover and faces the cathode inner cavity. The utility model discloses utilize high temperature plasma to add hot water vapor and buggy, the burning is complete, does not produce the soot.
The prior art has the following defects: 1. the combustion heat value is low, the combustion is insufficient, and harmful gas is generated; 2. the temperature of combustion flame is low, and the high-temperature operation required in industry cannot be met; 3. the effective utilization rate of energy is low, so that the energy consumption is high and the production cost is increased; 4. the burner (flame gun) cannot be integrated with the powder feeding device; 5. the combustor (flame gun) has no good protection device, and the service life is short; 6. the universality of the burner (flame gun) is poor, and damaged parts cannot be replaced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough of prior art, and providing a gas of being convenient for fully burns, gas and the integrative setting of powder feeding device, the commonality is strong, the flame gun of the promotion flame temperature of the powder of being convenient for fully burns.
The technical scheme of the utility model is that: the utility model provides a promote flame temperature's flame gun, includes gas pipeline and combustion-supporting pipeline, and the gas pipeline cover is established outside combustion-supporting pipeline, be equipped with the powder pipeline in the combustion-supporting pipeline, gas and combustion-supporting gas and powder intensive mixing, the powder obtains abundant burning through the high temperature region.
The scheme has the advantages that: the powder feeding device and the flame gun are integrally arranged, the powder feeding device is a powder pipeline, the heating time of powder can be prolonged, the temperature of the powder can be uniformly and quickly raised, the powder can be sufficiently combusted, a first standby pipeline is arranged between the combustion-supporting pipeline and the gas pipeline, when the gas pipeline or the combustion-supporting pipeline is blocked or unsmooth, the first standby pipeline can be started, the metal powder can be continuously processed conveniently, the middle production stop is prevented from being maintained, and the processing efficiency is improved; set up gas and combustion-supporting gas separately, gas, combustion-supporting gas and powder misce bene during the use, the abundant burning of the gas of being convenient for can make the gas obtain abundant burning more in the outside that is equipped with combustion-supporting gas with the gas, can effectually reduce the influence of high temperature to the flame gun simultaneously, improves its life.
Further, gas pipeline's front end cover is equipped with cooling pipe, is equipped with import and export on the cooling pipe, and the circulation of cooling liquid in the preferred cooling pipe can adopt to go out from flame gun rifle mouth and advance from keeping away from one end of rifle mouth and go out, and the cooling liquid of being convenient for preheats the powder, the improvement of the powder combustion effect and machining efficiency of being convenient for.
Further, all be equipped with gas control valve on gas pipeline, combustion-supporting pipeline and the first reserve pipeline, according to the needs of processing, can adjust the flow of gas and combustion-supporting ware, make gas and combustion-supporting combustion ratio reach the best, make the burning more abundant.
Furthermore, the length of the powder pipeline is more than 0.1m, and the caliber of the powder pipeline is 0.01-10 cm.
Preferably, the powder duct has a length of 0.2 to 5m and an aperture of 0.1 to 5 cm.
More preferably, the powder conduit has a length of 2m and an aperture of 0.25 cm. When the powder pipeline is used, powder in the powder pipeline flows towards the gun nozzle under the action of negative pressure, the flowing speed is not too high, when the caliber of the powder pipeline is too large, the powder flows too strong and easily and automatically, so that the powder is not combusted sufficiently, the processing effect on the powder is influenced, and when the caliber is too small, the flowing speed of the powder is too low, the gas loss is too much, and the processing efficiency is influenced; in addition, the powder pipeline is not beneficial to storing powder in the pipeline in an excessively short time, the sealing effect is poor, the vacuum degree in the combustion furnace body for the flame gun is not beneficial, and when the powder pipeline is excessively long, the installation of the powder pipeline and the flame gun is influenced.
Furthermore, the powder outlet speed of the powder pipeline is 0.1-100 g/s.
Preferably, the powder outlet speed of the powder pipeline is 5-50 g/s.
More preferably, the powder outlet speed of the powder pipeline is 20 g/s. When the powder outlet speed of the powder pipeline is too high, the powder pipeline is not beneficial to the sufficient combustion of the powder, the processing effect and the quality of the powder are influenced, and when the powder outlet speed is too low, the energy is not beneficial to the energy conservation.
Further, the gas flow of the gas pipeline is greater than 0.1 m/s, and the gas flow of the combustion-supporting pipeline is greater than 0.1 m/s.
Preferably, the gas flow of the gas pipeline is 0.2-5 m/s and the gas flow of the combustion-supporting pipeline is 0.3-8 m/s.
More preferably, the gas flow of the gas pipeline is 0.5 m/s and the gas flow of the combustion-supporting pipeline is 0.8 m/s.
The fuel gas in the fuel gas pipeline is at least one of high-temperature fuel gases such as acetylene, natural gas, methane, propane, ethylene, ethane and the like, and the combustion-supporting gas is one or more combustible gases of combustion products such as oxygen, ozone, chlorine, fluorine and the like; the fuel gas and the combustion-supporting gas are conveyed according to a certain proportion, and the volume ratio of the fuel gas to the combustion-supporting gas can be 1: 20-10: 1; the conveying speed is controlled, so that the fuel gas is fully combusted, meanwhile, the waste of the gas is reduced, preferably, the non-toxic fuel gas after combustion can be selected, and the processing safety is improved conveniently.
Furthermore, a gun nozzle is arranged at the front end of the flame gun, an ignition device is arranged in the gun nozzle, and when ignition is performed, a combustion-supporting gas valve is slightly opened, then a gas valve is opened, and then flame is ignited; the flame is a carbonization flame, and then, the combustion-supporting gas valve is gradually opened to adjust the carbonization flame to a neutral flame. Meanwhile, the flame size is also adjusted to be appropriate according to the requirement. When fire is extinguished, the gas valve is closed first, and then the combustion-supporting gas valve is closed.
Further, the front ends of the fuel gas, the first standby pipeline and the combustion-supporting gas are provided with gas outlets, and the gas outlets are circumferentially distributed on the gun nozzle at equal intervals. Preferably, the gas outlets at the same position of each pipeline are linearly distributed, and the fuel gas fully contacts the combustion-supporting gas, so that the fuel gas and the combustion-supporting gas are mixed, and the fuel gas can be fully combusted.
Further, a second standby pipeline is further arranged between the gas pipeline and the cooling pipeline. Preferably, combustion-supporting gas can be introduced into the second standby pipeline, the gas pipeline is arranged in the middle, the combustion-supporting gas can be fully contacted with the gas, and meanwhile, the flame guns can play a role in cooling protection, so that the service life of the flame guns is prolonged.
The utility model has the characteristics of as follows:
the utility model discloses the effectual abundant burning that improves the powder has improved the machining efficiency to the powder, with gas and the integrative setting of powder pipeline, the effectual utilization ratio that improves the high temperature, has reduced the loss of the energy, separately sets up gas and combustion-supporting gas, carries according to certain flow, the effectual combustion efficiency who improves the gas, the utility model discloses the commonality is strong, can process the wide application of being convenient for to the metal powder of difference.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2-is a cross-sectional view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is another schematic structural diagram of the present invention;
FIG. 5-is a cross-sectional view of FIG. 4;
1-cooling pipeline, 2-gas pipeline, 3-first spare pipeline, 4-combustion-supporting pipeline, 5-powder pipeline, 6-regulating valve, 7-outlet, 8-inlet, 9-gun nozzle, 10-gas hole, 11-first spare air hole, 12-combustion-supporting gas hole and 13-second spare pipeline.
Detailed Description
As shown in fig. 1-3: the utility model provides a promote flame temperature's flame gun, includes gas pipeline 2 and combustion-supporting pipeline 4, and 2 covers of gas pipeline are established outside combustion-supporting pipeline 4, are equipped with powder pipeline 5 in the combustion-supporting pipeline 4, and gas and combustion-supporting gas and powder intensive mixing, powder obtain abundant burning through the high temperature region. The powder pipeline 5 and the gas pipeline 2 are integrally arranged, so that the powder can be in full contact with a high-temperature area, the powder can be further combusted fully, and the processing efficiency is improved; a first standby pipeline 3 is arranged between the combustion-supporting pipeline 4 and the gas pipeline 2. When gas pipeline 2 or combustion-supporting pipeline 4 appear blockking up or not unobstructed, can launch first reserve pipeline 3, be convenient for continuously process metal powder, prevent the centre and stop production and overhaul, the improvement of the machining efficiency of being convenient for.
The front end cover of gas pipeline 2 is equipped with cooling tube 1, is equipped with import 8 and export 7 on the cooling tube 1, and the cooling liquid that flows through in the cooling tube 1, the cooling liquid is the running water, and the running water gets into from import 8, and through the rifle mouth 9 region of front end, 7 effluviums of rethread export, are convenient for reduce the influence of high temperature to the flame rifle, are convenient for improve the life of flame rifle.
All be equipped with gas control valve 6 on gas pipeline 2, combustion-supporting pipeline 4 and the first reserve pipeline 3, preferably, be equipped with the gas valve on the gas pipeline 2, be equipped with the combustion-supporting valve on the combustion-supporting pipeline 4, establish first reserve valve on the first reserve pipeline 3, be convenient for adjust the admission speed and the ignition of gas and combustion-supporting gas, be convenient for simultaneously sealed effect and the control of energy use.
The length of the powder pipeline 5 is more than 0.1m, and the caliber of the powder pipeline 5 is 0.01-10 cm. Preferably, the powder duct 5 has a length of 0.2 to 5m and an aperture of 0.1 to 5 cm. More preferably, the powder duct 5 has a length of 2m and an aperture of 0.25 cm. When the powder pipeline is used, powder in the powder pipeline 5 flows towards the gun nozzle 9 under the action of negative pressure, the flowing speed is not too high, when the caliber of the powder pipeline 5 is too large, the powder has too strong flowability and is easy to flow automatically, so that the powder is not combusted sufficiently, the processing effect on the powder is influenced, and when the caliber is too small, the flowing speed of the powder is too low, the gas loss is too much, and the processing efficiency is influenced; in addition, the short time of the powder pipeline 5 is not beneficial to storing powder in the pipeline, meanwhile, the sealing effect is poor, the vacuum degree in the combustion furnace body for the flame gun is not beneficial, and when the powder pipeline 5 is too long, the installation of the powder pipeline 5 and the flame gun is influenced.
The powder outlet speed of the powder pipeline 5 is 0.1-100 g/s. Preferably, the powder outlet speed of the powder duct 5 is 5-50 g/s. More preferably, the powder outlet speed of the powder duct 5 is 20 g/s. When the powder outlet speed of the powder pipeline 5 is too high, the powder is not beneficial to the sufficient combustion of the powder, the processing effect and the quality of the powder are influenced, and when the powder outlet speed is too low, the energy is not beneficial to the saving.
And the air flow speed of the gas pipeline 2 is 0.1-0.8 m/s, and the air flow speed of the combustion-supporting pipeline 4 is 0.1-1 m/s in flowering line. Preferably, said gas flow in gas duct 2 is between 0.2 and 5m and combustion-supporting duct 4 is between 0.3 and 8m in length/s. More preferably, the gas flow rate of gas pipeline 2 is 0.5 m/s and the gas flow rate of combustion-supporting pipeline 4 is 0.8 m/s. The fuel gas in the fuel gas pipeline 2 is at least one of high-temperature fuel gases such as acetylene, natural gas, methane, propane, ethylene, ethane and the like, and the combustion-supporting gas is one or more combustible gases of combustion products such as oxygen, ozone, chlorine, fluorine and the like; the fuel gas and the combustion-supporting gas are conveyed according to a certain proportion, and the volume ratio of the fuel gas to the combustion-supporting gas can be 1: 20-10: 1; preferably, the fuel gas is acetylene, the combustion-supporting gas is oxygen, the volume ratio of the fuel gas to the combustion-supporting gas is 2:7, the conveying speed is controlled, the fuel gas is fully combusted, meanwhile, the waste of the gas is convenient to reduce, and preferably, the nontoxic fuel gas after combustion can be selected, so that the processing safety is convenient to improve.
The front end of the flame gun is provided with a gun nozzle 9, preferably, an electronic ignition device is arranged in the gun nozzle 9 and used for igniting gas, when the flame gun is used, a small part of a gas valve is firstly opened to enable the gas to enter, then a combustion-supporting gas valve is opened, the gas is ignited through the electronic ignition device, and then the gas is adjusted to be at a proper conveying speed, so that combustion flame is light blue, and powder can be conveniently and fully processed.
The front ends of the fuel gas, the first standby pipeline 3 and the combustion-supporting gas are provided with gas outlets 7, and the gas outlets 7 are circumferentially distributed on the gun nozzle 9 at equal intervals. Preferably, the front end of the gas pipeline 2 is provided with a gas hole 10, the front end of the first standby pipeline 3 is provided with a first standby hole, the front end of the combustion-supporting gas is provided with a combustion-supporting gas hole 12, and the gas hole 10, the first standby hole and the combustion-supporting gas hole 12 at the same position are in linear distribution, so that the gas and the combustion-supporting gas can be fully mixed, and the gas can be fully combusted.
Example 2
A flame gun for increasing flame temperature comprises a gas pipeline 2 and a combustion-supporting pipeline 4, wherein the gas pipeline 2 is sleeved outside the combustion-supporting pipeline 4, a powder pipeline 5 is arranged in the combustion-supporting pipeline 4, gas, combustion-supporting gas and powder are fully mixed, and the powder is fully combusted through a high-temperature area; a first standby pipeline 3 is arranged between the combustion-supporting pipeline 4 and the gas pipeline 2; the front end of the gas pipeline 2 is sleeved with a cooling pipeline 1; a second standby pipeline 13 is also arranged between the gas pipeline 2 and the cooling pipeline 1. Be equipped with import 8 and export 7 on the cooling tube 1, be equipped with import 8 and export 7 on the cooling tube 1, flow through coolant liquid in the cooling tube 1, the coolant liquid is the running water, and the running water gets into from import 8, and through the rifle mouth 9 region of front end, 7 play of rethread export are convenient for reduce the influence of high temperature to the flame rifle, are convenient for improve the life of flame rifle.
Preferably, let in combustion-supporting gas in the second spare pipeline 13, including wrapping up the gas with the combustion-supporting gas that first combustion-supporting pipeline 4 let in, be favorable to the abundant burning of gas more, can play the effect of cooling to the flame rifle simultaneously, be convenient for reduce the influence of high temperature to the flame rifle.
All be equipped with gas control valve 6 on gas pipeline 2, combustion-supporting pipeline 4 and the first reserve pipeline 3, preferably, be equipped with the gas valve on the gas pipeline 2, be equipped with the combustion-supporting valve on the combustion-supporting pipeline 4, establish first reserve valve on the first reserve pipeline 3, be convenient for adjust the admission speed and the ignition of gas and combustion-supporting gas, be convenient for simultaneously sealed effect and the control of energy use. Meanwhile, a second standby valve is also arranged on the second standby pipeline 13, so that the introduction amount of the combustion-supporting gas can be conveniently adjusted. The length of the powder duct 5 is 1m, and the diameter of the powder duct 5 is 0.3 cm. The powder outlet speed of the powder pipeline 5 is 15 g/s. Gas pipeline 2 has an air flow rate of 0.6 m/s, first combustion supporting pipeline 4 has an air flow rate of 1 m/s, and second spare pipeline 13 has an air flow rate of combustion supporting gas according to a top-hat line of 0.6 m/s.
The front end of the flame gun is provided with a gun nozzle 9; the gun nozzle 9 is internally provided with an electronic ignition device for igniting gas, when in use, a small part of a gas valve is firstly opened to enable the gas part to enter, then a combustion-supporting gas valve is opened, the gas is ignited through the electronic ignition device, and then the gas is adjusted to a proper conveying speed, so that the burning flame is light blue, and the powder is conveniently and fully processed.
The front ends of the fuel gas, the first standby pipeline 3 and the combustion-supporting gas are provided with gas outlets 7, and the gas outlets 7 are circumferentially distributed on the gun nozzle 9 at equal intervals. Preferably, 2 front ends of gas pipeline are equipped with gas hole 10, and 3 front ends of first spare pipeline are equipped with first spare hole, and the gas front end of combustion-supporting is equipped with combustion-supporting gas hole 12, and gas hole 10, first spare hole and combustion-supporting gas hole 12 of same department are the straight line and distribute, and the spare pipeline 13 front end of second is equipped with the spare hole of second simultaneously, and the gas of being convenient for and combustion-supporting gas intensive mixing, the gas abundant burning of being convenient for.
The utility model discloses the effectual life who improves the flame rifle, pass through powder pipeline 5 with metal powder during use and get into, the flame rifle is worn to establish on the negative pressure furnace body, through the effect of negative pressure, the automatic whereabouts of powder, make powder and gas and combustion-supporting gas mix, gas and combustion-supporting gas let in according to a certain proportion, electronic ignition in the gun nozzle 9 lights the gas, make the powder pass through the burning high temperature region completely, the powder fully burns and processes, the effectual utilization ratio that has improved the gas and the machining efficiency to the powder, the damage to the flame rifle has been reduced.
The preferred embodiments of the invention have been described in detail above, but it is obvious that the invention is not limited to the above embodiments only. Within the technical concept range of the utility model, various equivalent variants can be carried out on the technical scheme of the utility model, and the equivalent variants all belong to the protection range of the utility model. In addition, it should be noted that the respective technical features described in the above embodiments may be separately and independently combined as long as they are within the technical concept of the present invention.
Claims (9)
1. The utility model provides a promote flame temperature's flame gun, includes gas pipeline and combustion-supporting pipeline, and the gas pipeline cover is established outside combustion-supporting pipeline, its characterized in that: be equipped with the powder pipeline in the combustion-supporting pipeline, gas and combustion-supporting gas and powder intensive mixing, the powder obtains abundant burning through the high temperature region, is equipped with first reserve pipeline between combustion-supporting pipeline and the gas pipeline.
2. The flame temperature-elevating flame gun of claim 1, wherein: the front end sleeve of gas pipeline is equipped with cooling duct, is equipped with import and export on the cooling duct.
3. The flame temperature-elevating flame gun of claim 2, wherein: and gas regulating valves are arranged on the gas pipeline, the combustion-supporting pipeline and the first standby pipeline.
4. The flame temperature-elevating flame gun of claim 1, wherein: the length of the powder pipeline is more than 0.1m, and the caliber of the powder pipeline is 0.01-10 cm.
5. The flame temperature-elevating flame gun of claim 4, wherein: the powder outlet speed of the powder pipeline is 0.1-100 g/s.
6. Flame temperature elevating flame guns according to any of claims 1 to 5, characterized in that: and carrying out dry distillation on the gas pipeline according to the year, wherein the gas flow of the gas pipeline is greater than 0.1 m/s, and the gas flow of the combustion-supporting pipeline is greater than 0.1 m/s.
7. The flame temperature-elevating flame gun of claim 6, wherein: the front end of the flame gun is provided with a gun nozzle.
8. The flame temperature-elevating flame gun of claim 7, wherein: the front ends of the fuel gas, the first standby pipeline and the combustion-supporting gas are provided with gas outlets, and the gas outlets are circumferentially distributed on the gun nozzle at equal intervals.
9. The flame temperature-elevating flame gun of claim 8, wherein: and a second standby pipeline is also arranged between the gas pipeline and the cooling pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212973.2U CN211600684U (en) | 2019-12-11 | 2019-12-11 | Flame gun capable of increasing flame temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212973.2U CN211600684U (en) | 2019-12-11 | 2019-12-11 | Flame gun capable of increasing flame temperature |
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| Publication Number | Publication Date |
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| CN211600684U true CN211600684U (en) | 2020-09-29 |
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| CN201922212973.2U Active CN211600684U (en) | 2019-12-11 | 2019-12-11 | Flame gun capable of increasing flame temperature |
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