CN211601604U

CN211601604U - Large-scale flame gun device

Info

Publication number: CN211601604U
Application number: CN201922212937.6U
Authority: CN
Inventors: 王利民; 黄力军; 陈舟; 李盘; 蔡巍; 黄永鑫; 张俊
Original assignee: Hunan Skyline Smart Material Technology Co ltd
Current assignee: Hunan Skyline Smart Material Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-29
Anticipated expiration: 2029-12-11

Abstract

The utility model provides a large-scale flame gun device, including water-cooling jacket and little flame gun, be equipped with two at least little flame guns in the water-cooling jacket, little flame gun is the circumference and distributes its characterized in that: and an observation tube for observing the flame of the small flame gun is arranged at the center of the circumference surrounded by the small flame gun. This scheme is with integrative assembly device of little flame gun, the effectual machining efficiency to the material that has improved, be convenient for carry out batch production to the material, can the effectual time that improves the material and stop in the high temperature region, be convenient for improve the abundant processing to the material, simultaneously can the real-time observation flame the size, whether extinguish and the handling condition of material, a plurality of little flame guns collect in an organic whole and set up, be convenient for improve the local temperature of flame gun, further improvement to the processing effect and the efficiency of material, be convenient for simultaneously to the maintenance of single little flame gun, avoid long-time pause production in the course of working.

Description

Large-scale flame gun device

Technical Field

The utility model relates to a combustor technique, especially a large-scale flame gun device.

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, 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, but the atomization efficiency and the effect are not ideal.

Patent number CN206632370U discloses a plasma generating device for tower metal atomization, which comprises a flow guide pipe, a flow guide pipe assembly, at least 3 sets of plasma gun assemblies and a spray tray support; the plasma gun components are uniformly distributed on the spray disk bracket in a circumferential mode, and plasma sprayed by the plasma gun components are converged at the center of the lower end of the flow guide pipe to form a plasma convergence focal region; the guide pipe is arranged on the spray plate bracket through the guide pipe assembly and penetrates through the center of the spray plate bracket, and is used for conveying metal smelting or metal wire rods melted by the smelting furnace to the plasma convergence focal area for plasma atomization. The plasma generating device for tower type metal atomization is simple in structure, low in manufacturing cost, high in plasma atomization efficiency and good in uniformity of plasma atomization powder. However, the device has the following disadvantages in the use process: 1. the small flame gun has low overall combustion efficiency and cannot meet the requirement of processing materials in large batch; 2. in the process of increasing the material processing capacity of the small flame gun, the discharging effect is deviated, and the retention time of the material in the flame is shorter; 3. the small flame gun cannot observe the flame size, whether the flame is extinguished and the material treatment effect in time in the material discharging process; 4. the small flame guns have poor cooling effect alone. In order to improve the overall treatment capacity of the flame gun and improve the production efficiency, the residence time of the materials in the flame is long enough, and the small flame gun is modified.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the above-mentioned not enough of prior art, and providing one kind and being convenient for carry out batch production to the material, the energy can be saved is convenient for improve to material processing effect, is convenient for observe the processing condition, long service life's large-scale flame gun device.

The technical scheme of the utility model is that: the large-scale flame gun device comprises a water-cooling jacket and small flame guns, wherein at least two small flame guns are arranged in the water-cooling jacket, the small flame guns are distributed circumferentially, and an observation tube for observing the flame of the small flame guns is arranged in the center of the circumference enclosed by the small flame guns.

The scheme has the advantages that: can large batch production processing metal powder, simultaneously can effectual improvement machining efficiency and processingquality, can observe the burning condition of inspection flame rifle in the course of working, can implement the adjustment or open and close the flame rifle, reduce the insufficiently processed possibility of powder, spout material and flame rifle fire direction syntropy and set up, be convenient for material and the abundant contact in high temperature area, improve the treatment time to the material, just overhaul single little flame rifle simultaneously, the circulation condition of inspection material and the burning condition of flame, avoided the maintenance in-process and need halt whole production, effectual improvement machining efficiency.

Further, little flame gun includes charge-in pipeline and gas pipeline, is equipped with gas pipeline between charge-in pipeline and the water-cooling jacket, is equipped with combustion-supporting gas pipeline between charge-in pipeline and the gas pipeline, and the front end of little flame gun is equipped with the rifle mouth.

When the material ignition device is used, materials enter from the feeding pipeline, the materials are fully mixed with fuel gas and combustion-supporting gas, the materials are ignited at the gun nozzle and fully combusted, and preferably, the electronic ignition device is arranged at the gun nozzle and used for igniting the small flame gun, so that the materials are fully processed.

Further, a standby pipeline is further arranged between the gas pipeline and the water cooling jacket. When the jam that gas pipeline or combustion-supporting gas pipeline appear or the air current is not smooth, can launch the stand-by pipeline, let in gas or combustion-supporting gas in the past stand-by pipeline, make the flame rifle go on the processing of material, long-time pause in the course of working has been reduced and has been overhauld, wait to overhaul little flame rifle after accomplishing the whole processing of material again, the effectual efficiency of processing that has improved, shorten process time, when needing sufficient combustion-supporting gas, can let in combustion-supporting gas simultaneously with stand-by pipeline and combustion-supporting pipeline, be convenient for improve the abundant burning of gas, can play the effect of cooling to little flame rifle simultaneously, reduce the influence of high temperature to little flame rifle.

Furthermore, a mounting flange is arranged outside the water cooling jacket. When the large-scale flame gun is used, the large-scale flame gun is installed on the furnace body through the installation flange, and the sealing gasket can be additionally arranged between the installation flange and the furnace body, so that the vacuum sealing effect of the furnace body is improved, and the material in the feeding pipe can flow conveniently.

Furthermore, a water inlet and a water outlet are arranged on the water cooling jacket.

Preferably, the inside circulation cooling water of water-cooling jacket, cooling water get into from the water inlet, through high temperature region, are flowing from the delivery port, and this process has played the effect of cooling to high temperature region, is convenient for protect each little flame gun, and the cooling water after high temperature region plays certain heating effect to the material at the outflow in-process, is convenient for carry out fully processed to the material.

Furthermore, one end of the observation pipeline, which is far away from the gun nozzle, is provided with a transparent sealing baffle made of high-temperature resistant materials. The vacuum sealing effect of the furnace body is convenient to improve, meanwhile, the influence of high temperature on the transparent sealing baffle can be avoided, the processing condition of materials and the combustion condition of flame are convenient to observe, and adjustment can be made in time.

Furthermore, the caliber of the observation pipeline is 1-50 cm.

Preferably, the diameter of the observation pipe is 5-15 cm.

More preferably, the diameter of the observation pipe is 8 cm. And meanwhile, a non-reflective surface is arranged in the observation pipeline, so that the influence of reflection on the observation effect is reduced, the flowing effect of flame and materials of each small flame gun is judged conveniently, and the processing condition is also judged.

Furthermore, metal powder is introduced into the feeding pipeline, and the flow rate of the metal powder is 3-500 g/s.

Preferably, the flow rate of the metal powder is 5 to 200 g/s.

More preferably, the flow rate of the metal powder is 12 g/s. When the material metal powder lets in the volume too big, be unfavorable for carrying out abundant processing to the material, when the material lets in the volume too little, be unfavorable for the improvement of machining efficiency and the saving of the energy.

Furthermore, the volume ratio of the input volume of the fuel gas in the fuel gas pipeline and the input volume of the combustion-supporting gas in the combustion-supporting gas pipeline is 1:10-10: 1.

Preferably, the volume ratio of the fuel gas to the combustion-supporting gas is 1:8-5: 1.

Preferably, the volume ratio of the fuel gas to the combustion-supporting gas is 1: 3. When the gas proportion is too high, be unfavorable for the abundant burning of gas and the saving of the energy, when the gas proportion is low excessively, be unfavorable for the improvement of flame temperature, be unfavorable for the abundant burning of material.

Further, a gas inlet pipe, a combustion-supporting gas inlet pipe and a standby gas inlet pipe are respectively arranged on the gas pipeline, the combustion-supporting gas pipeline and the standby pipeline, and valves are respectively arranged on the gas inlet pipe, the combustion-supporting gas inlet pipe and the standby gas inlet pipe.

The utility model has the characteristics of as follows:

the utility model discloses with the integrative assembly device of little flame rifle, the effectual machining efficiency who improves the material, be convenient for carry out batch production to the material, can the effectual time that improves the material and stop in the high temperature region, be convenient for improve the abundant processing to the material, can the size of real-time observation flame simultaneously, whether extinguish and the handling condition of material, a plurality of little flame guns collect in an organic whole and set up, be convenient for improve the local temperature of flame rifle, further improvement to the processing effect and the efficiency of material, be convenient for simultaneously to the maintenance of single little flame rifle, avoid long-time pause production in the course of working.

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 taken along line B-B of FIG. 1;

FIG. 3 is a top view of FIG. 1;

1-observation tube, 2-feeding tube, 3-combustion-supporting gas tube, 4-gas tube, 5-spare tube, 6-water inlet, 7-mounting flange, 8-water cooling jacket, 9-gun nozzle, 10-mounting disk, 11-water outlet, 12-triangular flange and 13-gas orifice.

Detailed Description

As shown in the attached drawings: a large-scale flame gun device comprises a water-cooling jacket 8 and small flame guns, wherein the water-cooling jacket 8 is cylindrical, six small flame guns are arranged in the water-cooling jacket 8, the small flame guns are distributed in a circumferential manner and are coaxially arranged with the water-cooling jacket 8, an observation tube 1 for observing the flame of the small flame guns is arranged in the center of the circumference surrounded by the small flame guns, and preferably, the caliber of the observation tube 1 is 9 cm; preferably, the caliber of the observation pipe 1 can also be 5cm, 8cm, 10cm, 12cm or 15 cm; meanwhile, a non-reflective surface is arranged in the observation pipe 1, so that the influence of reflection on the observation effect is reduced, the flowing effect of flame and materials of each small flame gun is judged, and the processing condition is judged.

Feeding metal powder into the feeding pipeline 2, wherein the flow rate of the metal powder is preferably 12 g/s; preferably, the flow rate of the metal powder is 5g/s, 8g/s, 10g/s, 15g/s or 20 g/s; when the material metal powder lets in the volume too big, be unfavorable for carrying out abundant processing to the material, when the material lets in the volume too little, be unfavorable for the improvement of machining efficiency and the saving of the energy.

The utility model discloses can large batch production processing metal powder, simultaneously can effectual improvement machining efficiency and processingquality, can survey the burning condition of inspection flame rifle in the course of working, can implement the adjustment or open and close the flame rifle, reduce the insufficient possibility of powder processing, with material and flame rifle flame spray direction syntropy setting, the abundant contact in the material and high temperature region of being convenient for, improve the processing time to the material, just overhaul single little flame rifle simultaneously, the circulation condition of inspection material and the burning condition of flame, the whole production that need halt in having avoided the maintenance process, effectual improvement machining efficiency.

The small flame gun comprises a feeding pipeline 2 and a gas pipeline 4, the gas pipeline 4 is arranged between the feeding pipeline 2 and the water cooling sleeve 8, a combustion-supporting gas pipeline 3 is arranged between the feeding pipeline 2 and the gas pipeline 4, and a gun nozzle 9 is arranged at the front end of the small flame gun.

When the flame gun is used, materials enter from the feeding pipeline 2, the materials are fully mixed with fuel gas and combustion-supporting gas, the materials are ignited and fully combusted at the gun nozzle 9, preferably, the electronic ignition device is arranged at the gun nozzle 9 and used for igniting the small flame gun, and the materials are conveniently and fully processed.

The gas pipeline 4 is filled with gas, the combustion-supporting gas pipeline 3 is filled with combustion-supporting gas, the gas in the gas pipeline 4 is at least one of high-temperature gas such as acetylene, natural gas, methane, propane, ethylene and ethane, and the combustion-supporting gas is one or more of combustible gas such as oxygen, ozone, chlorine, fluorine and the like; preferably, the volume ratio of the fuel gas to the combustion-supporting gas is 1: 3; preferably, the volume ratio of the introduced fuel gas to the introduced combustion-supporting gas can also be 1:4, 2:5 or 2: 7; when the gas proportion is too high, be unfavorable for the abundant burning of gas and the saving of the energy, when the gas proportion is low excessively, be unfavorable for the improvement of flame temperature, be unfavorable for the abundant burning of material.

A standby pipeline 5 is also arranged between the gas pipeline 4 and the water cooling jacket 8. When the jam or the air current that appear when gas pipeline 4 or combustion-supporting gas pipeline 3 are not smooth, can launch spare pipeline 5, let in gas or combustion-supporting gas in the past spare pipeline 5, make the flame rifle continue to go on the processing of material, long-time pause in the course of working has been reduced and has been overhauld, wait to overhaul little flame rifle after accomplishing the whole processing of material again, the effectual efficiency of processing that has improved, shorten process time, when needing sufficient combustion-supporting gas, can let in combustion-supporting gas simultaneously with spare pipeline 5 and combustion-supporting pipeline, be convenient for improve the abundant burning of gas, can play the effect of cooling to little flame rifle simultaneously, reduce the influence of high temperature to little flame rifle.

And a mounting flange 7 is arranged outside the water cooling jacket 8. When the large-scale flame gun is used, the large-scale flame gun is installed on the furnace body through the installation flange 7, and a sealing gasket can be additionally arranged between the installation flange 7 and the furnace body, so that the vacuum sealing effect of the furnace body is improved, and the material in the feeding pipe can flow conveniently.

The water cooling jacket 8 is provided with a water inlet 6 and a water outlet 11. Preferably, 8 interior circulation cooling water of water-cooling jacket, the cooling water gets into from water inlet 6, through the high temperature region, flowing out from delivery port 11, this process has played the effect of cooling to the high temperature region, be convenient for protect each little flame gun, the cooling water after the high temperature region plays certain heating effect to the material at the outflow in-process, be convenient for carry out abundant processing to the material, the flow of cooling liquid is great relatively in the water-cooling jacket 8 simultaneously, so little flame gun cools off on the large-scale flame gun simultaneously, make the cooling effect of little flame gun more.

One end of the observation tube 1 far away from the gun nozzle 9 is provided with a transparent sealing baffle made of high temperature resistant material. The vacuum sealing effect of the furnace body is convenient to improve, meanwhile, the influence of high temperature on the transparent sealing baffle can be avoided, the processing condition of materials and the combustion condition of flame are convenient to observe, and adjustment can be made in time.

The gas pipeline 4, be equipped with the gas intake pipe on combustion-supporting gas pipeline 3 and the spare pipeline 5 respectively, combustion-supporting gas intake pipe and spare gas intake pipe, the gas intake pipe, all be equipped with the valve in combustion-supporting gas intake pipe and the spare gas intake pipe, the valve is including the gas admission valve door that is used for adjusting gas flux, the combustion-supporting gas admission valve door that is used for adjusting combustion-supporting gas flux and the spare admission valve door that is used for adjusting spare gas flux, be convenient for adjust the gaseous flux of each of air.

In another embodiment, the gun nozzle 9 is conical and is matched with a conical hole in the water-cooling jacket 8, a small flame gun is installed at the installation position of the small flame gun in the water-cooling jacket 8, so that the small flame gun is hermetically connected with the water-cooling jacket 8, the sealing effect is improved conveniently, and meanwhile, a high-temperature-resistant sealant or a sealing gasket can be additionally arranged at the joint of the small flame gun and the water-cooling jacket to further improve the sealing effect. In addition, one end of each small flame gun, which is far away from the gun nozzle 9, is provided with a fixed mounting plate 10, and the fixed mounting plate 10 is fixedly connected with the water cooling jacket 8 through a support column or integrally formed; in order to improve the connection and fixation of each small flame gun and the mounting plate 10, the small flame gun is provided with the triangular flange 12, and the triangular flange 12 is fixedly connected with the mounting plate 10 through bolts, so that the structural strength of the large flame gun is improved, and the sealing effect is improved.

Preferably, be equipped with the mixing chamber in the rifle mouth 9, the mixing chamber is used for the mixture between gas and the combustion-supporting gas, and the mixing chamber front end is equipped with fumarole 13, with the gas blowout after the mixture, need to adopt electronic ignition to light the mist to the material processing, and the mist after lighting is processed the burning with the material intensive mixing to the material, is convenient for improve the processing effect to the material.

When the small flame gun is used, the small flame gun is arranged on a water cooling sleeve 8 according to a set position and is fastened, a large flame gun is arranged on a furnace body through a mounting flange 7, a gas pipeline 4 and a combustion-supporting gas pipeline 3 on the small flame gun are respectively communicated with gas and combustion-supporting gas, the interior of the furnace body is vacuum, a feeding pipeline 2 is communicated with materials, the materials flow into the furnace body under the action of negative pressure of the furnace body, the combustion-supporting gas is introduced before the materials flow, a small amount of gas is ignited through an electronic ignition device, the combustion condition of the gas of each small flame gun is observed and adjusted through an observation port until the gas is burnt to be light blue, the materials are introduced and are processed, the spraying directions of the non-gas of the materials are the same direction in the processing process, the retention time of the materials in the high temperature after combustion is longer, and the processing of the materials is more favorable for the materials, meanwhile, batch production of materials is facilitated, and equipment is convenient to overhaul and the processing efficiency is improved.

In another embodiment, the inner aperture of the observation tube 1 is 45mm, the outer diameter is 50mm, the length of the water cooling jacket 8 is 550mm, the mounting flange 7 is sleeved in the middle of the water cooling jacket, the water cooling jacket 8 is made of a high-temperature refractory material with the thickness of 12mm, and the inner aperture of the water cooling jacket 8 is 520 mm; the related parameters of the small flame gun and the parameters of the workpiece can be adjusted according to the specific design of processing, so that the structural strength of the large flame gun is improved conveniently.

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

1. The utility model provides a large-scale flame gun device, includes water-cooling jacket and little flame gun, is equipped with two at least little flame guns in the water-cooling jacket, and little flame gun is the circumference and distributes its characterized in that: and an observation tube for observing the flame of the small flame gun is arranged at the center of the circumference surrounded by the small flame gun.

2. The large flame gun apparatus of claim 1, wherein: the small flame gun comprises a feeding pipeline and a gas pipeline, the gas pipeline is arranged between the feeding pipeline and the water cooling jacket, a combustion-supporting gas pipeline is arranged between the feeding pipeline and the gas pipeline, and a gun nozzle is arranged at the front end of the small flame gun.

3. The large flame gun apparatus of claim 2, wherein: and a standby pipeline is also arranged between the gas pipeline and the water cooling jacket.

4. A large flame gun apparatus according to claim 3, characterized in that: and a mounting flange is arranged outside the water cooling jacket.

5. The large flame gun apparatus of claim 4, wherein: the water cooling jacket is provided with a water inlet and a water outlet.

6. The large flame gun apparatus of claim 1, wherein: and one end of the observation pipeline, which is far away from the gun nozzle, is provided with a transparent sealing baffle made of a high-temperature resistant material.

7. The large flame gun apparatus of claim 6, wherein: the caliber of the observation pipeline is 1-50 cm.

8. The large flame gun apparatus of claim 2, wherein: and metal powder is introduced into the feeding pipeline, and the flow rate of the metal powder is 3-500 g/s.

9. The large flame gun apparatus of claim 2, wherein: the volume ratio of the input volume of the fuel gas in the fuel gas pipeline and the input volume of the combustion-supporting gas in the combustion-supporting gas pipeline is 1:10-10: 1.

10. A large flame gun apparatus according to claim 3, characterized in that: the gas pipeline, the combustion-supporting gas pipeline and the standby pipeline are respectively provided with a gas inlet pipe, a combustion-supporting gas inlet pipe and a standby gas inlet pipe, and the gas inlet pipe, the combustion-supporting gas inlet pipe and the standby gas inlet pipe are respectively provided with a valve.