Flame spraying device

Abstract

The utility model discloses a flame spraying device which comprises a spray gun, a liquid gas storage tank and a gas distributing bag, the gas distributing bag comprises a tank body, one end of the tank body is provided with at least one gas inlet, the other end of the tank body is provided with at least one gas outlet, the lower portion of the tank body is provided with at least one water outlet, the gas inlet is connected with the liquid gas storage tank, and the gas outlet is connected with the gas distributing bag. The gas outlet is connected with a spray gun, the water outlet is provided with a drain valve, a drying mechanism is arranged in the tank body, and the drying mechanism is used for dehumidifying entering gas. Moisture in liquefied gas reaches a dew point through a condensing agent, the temperature changes into mist, then the mist enters the three-way pipe and passes through the gas-liquid separation net, the mist-state moisture makes contact with the gas-liquid separation net made of metal materials to be liquefied and condensed into water drops, the water drops fall down, the water drops slide into the water outlet pipe along the inclined inner wall and are discharged out of the water outlet of the tank body, and therefore the combustion efficiency is improved. And sufficient combustion is realized.

Description

Technical Field

[0001] The utility model relates to a flame spraying device. Background Art

[0002] At present, in the casting and rolling industry, flame spraying is used to lubricate the rollers, and anti-sticking aluminum is essential. Generally, canned liquefied gas is used for combustion-assisted flame spraying, and one liquefied gas tank is connected to one flame sprayer. However, canned liquefied gas will have a certain amount of moisture, especially in winter when the moisture is high, resulting in unstable spraying flames. If the flame is larger, more carbon black is produced, which is easy to be pressed into the plate surface; if the flame is smaller, less carbon black is produced, which is easy to stick to the plate; seriously affecting production progress and product quality. Utility Model Content

[0003] The purpose of the utility model is to solve the above deficiencies in the prior art and provide a flame spraying device.

[0004] A flame spraying device, characterized in that it includes a spray gun, a liquefied gas tank, and a gas distributor bag, the gas distributor includes a tank body, one end of the tank body is provided with at least one air inlet, the other end of the tank body is provided with at least one air outlet, and the bottom thereof is provided with at least one water outlet, the air inlet is connected to the liquefied gas tank, the air outlet is connected to the spray gun, the water outlet is provided with a drain valve, and a drying mechanism is provided in the tank body, the drying mechanism is used to dehumidify the incoming gas.

[0005] Working principle: The liquefied gas entering the gas distribution bag is dried through the drying mechanism, thereby improving the combustion efficiency and achieving full combustion.

[0006] In order to ensure that the drying mechanism can fit the structure inside the tank body, the drying mechanism includes a condensing agent and a gas-liquid separation net. The condensing agent is arranged in a double-layer tube, and the double-layer tube is installed in the gas separation bag. The double-layer tube includes an inner tube and an outer tube. The inner tube is located inside the outer tube, and the condensing agent is located inside the outer tube and the inner tube. The moisture in the liquefied gas reaches the dew point temperature and changes into a mist state through the condensing agent, and then enters the three-way pipe through the gas-liquid separation net. The moisture in the mist state contacts the metal gas-liquid separation net to liquefy and condense into water droplets and fall, slide into the water outlet pipe along the inclined inner wall, and be discharged from the water outlet of the tank body. The double-layer tube is connected to the air inlet of the tube body.

[0007] The gas-liquid separation net is embedded in the three-way pipe, which includes a connected air inlet pipe, an air outlet pipe and a water outlet pipe. The inner walls of the air inlet pipe and the air outlet pipe are inclined structures, and the inclined structure lowers one end close to the water outlet pipe mouth. The water outlet pipe is connected to the water outlet of the tank body, the air inlet pipe is connected to the double-layer pipe of the tank body, and the air outlet pipe is connected to the inside of the tank body. The gas-liquid separation net is a mesh structure made of metal material, which is installed in the air inlet pipe and the air outlet pipe.

[0008] In order to ensure the firmness of the structure, the tank body is a cylindrical structure made of metal. The air inlet, air outlet and water outlet of the tank body are all connected to one end of the metal pipe. The tank body and the metal pipe are an integrated structure.

[0009] In order to ensure the strength of the forming, the metal tube and the tank body are formed in one piece through an internal high pressure forming process.

[0010] In order to facilitate connection with the equipment, a connecting pipe is fixed to one end of the air outlet pipe away from the tank body, the connecting pipe is communicated with the air outlet pipe, and a thread for connecting to an external pipeline is provided on the connecting pipe.

[0011] In order to ensure the sealing, the connecting pipe is fixed to the outlet pipe by welding.

[0012] In order to facilitate connection with the gas source, an annular flange for connecting to an external pipe joint is provided on the metal pipe connected to the gas inlet.

[0013] In order to facilitate the installation of the tank body, a fixing piece is provided on the tank body, and a through hole for passing an external bolt is provided on the fixing piece.

[0014] Beneficial effects: Compared with the prior art, the utility model dries the liquefied gas entering the gas separation bag through a drying mechanism, and changes the moisture in the liquefied gas to a mist state at a dew point temperature through a condensing agent, and then enters the three-way pipe through the gas-liquid separation net. The moisture in the mist state contacts the metal gas-liquid separation net to liquefy and condense into water droplets, which fall down and slide into the water outlet pipe along the inclined inner wall, and are discharged from the water outlet of the tank body, thereby improving the combustion efficiency and achieving full combustion.

[0015] At the same time, when replacing the liquefied gas tank, the gas in the liquefied gas tank enters the gas distribution bag in advance, thereby ensuring stable and uninterrupted gas output during ventilation, thereby increasing safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the air distribution bag;

[0017] In the figure, 1, air outlet, 2, tank body, 3, three-way pipe, 4, gas-liquid separation net, 5, condensing agent, 6, air inlet, 7, water outlet. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0019] like Figure 1 As shown, the gas outlet 1, the tank body 2, the three-way pipe 3, the gas-liquid separation net 4, the condensing agent 5, the gas inlet 6, and the water outlet 7;

[0020] A flame spraying device includes a spray gun, a liquefied gas tank, and a gas separator. The gas separator includes a tank body 2. One end of the tank body 2 is provided with at least one air inlet 6, the other end of the tank body 2 is provided with at least one air outlet 1, and the bottom thereof is provided with at least one water outlet 7. The air inlet 6 is connected to the liquefied gas tank, the air outlet 1 is connected to the spray gun, and the water outlet 7 is provided with a drain valve. A drying mechanism is provided in the tank body 2, and the drying mechanism is used to dehumidify the incoming gas. Specifically, the liquefied gas entering the gas separator is dried by the drying mechanism, thereby improving the combustion efficiency and achieving full combustion.

[0021] In this embodiment, the drying mechanism includes a condensing agent 5 and a gas-liquid separation net 4, the condensing agent 5 is arranged in a double-layer tube, the double-layer tube is installed in the gas separation bag, the double-layer tube includes an inner tube and an outer tube, the inner tube is located inside the outer tube, the condensing agent 5 is located in the outer tube and the inner tube, the gas-liquid separation net 4 is embedded in the three-way tube 3, the three-way tube 3 includes an air inlet pipe, an air outlet pipe and a water outlet pipe connected to each other, the inner wall of the air inlet pipe and the air outlet pipe is an inclined structure, the inclined structure lowers one end close to the water outlet pipe, the water outlet pipe is connected to the water outlet 7 of the tank body 2, the air inlet pipe is connected to the double-layer tube of the tank body 2, the air outlet pipe is connected to the inside of the tank body 2, the gas-liquid separation net 4 is a mesh structure made of metal, which is installed in the air inlet pipe and the air outlet pipe; the double-layer tube is connected to the air inlet 6 of the tube body;

[0022] Specifically, the moisture in the liquefied gas reaches the dew point temperature through the condensing agent 5 and changes into mist, and then enters the three-way pipe 3 and passes through the gas-liquid separation net 4. The moisture in the mist state contacts the metal gas-liquid separation net 4 to liquefy and condense into water droplets, which fall down and slide into the water outlet pipe along the inclined inner wall, and are discharged from the water outlet 7 of the tank body 2, thereby improving the combustion efficiency and achieving full combustion.

[0023] In this embodiment, the tank body 2 is a cylindrical structure made of metal. The air inlet 6, air outlet 1 and water outlet 7 of the tank body 2 are all connected to one end of the metal tube. The tank body 2 and the metal tube are an integrally formed structure. The metal tube and the tank body 2 are integrally formed by an internal high-pressure forming process.

[0024] In this embodiment, a connecting pipe is fixed to the end of the air outlet pipe away from the tank body 2, the connecting pipe is connected to the air outlet pipe, the connecting pipe is provided with a thread for connecting to an external pipeline, the connecting pipe is fixed to the air outlet pipe by welding, and the metal pipe connected to the air inlet 6 is provided with an annular flange for connecting an external pipe joint, and a fixing part is provided on the tank body 2, and the fixing part is provided with a through hole for passing an external bolt.

[0025] Working process: The two ends of the gas separation bag are connected to the liquefied gas tank and the spray gun respectively. The liquefied gas in the gasification liquid pipe enters the gas separation bag through the pipeline, and the liquefied gas is dried through the condensing agent 5 and the gas-liquid separation net 4. The condensed water droplets are discharged from the tank body 2, and the dry liquefied gas continues to enter the tank body 2 from the air outlet pipe and is input to the spray gun from the air outlet 1.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flame spraying device, characterized in that: It includes a spray gun, a liquefied gas tank, and a gas distributor bag. The gas distributor includes a tank body. One end of the tank body is provided with at least one air inlet, the other end is provided with at least one air outlet, and the bottom is provided with at least one water outlet. The air inlet is connected to the liquefied gas tank, the air outlet is connected to the spray gun, the water outlet is provided with a drain valve, and a drying mechanism is provided in the tank body, and the drying mechanism is used to dehumidify the incoming gas.

2. A flame spraying device according to claim 1, characterized in that: The drying mechanism includes a condensing agent and a gas-liquid separation net, the condensing agent is arranged in a double-layer tube, the double-layer tube is installed in a gas separation bag, the double-layer tube includes an inner tube and an outer tube, the inner tube is located inside the outer tube, the condensing agent is located in the outer tube and the inner tube, and the double-layer tube is connected to the air inlet of the tube body; The gas-liquid separation net is embedded in the three-way pipe, and the three-way pipe includes a connected air inlet pipe, an air outlet pipe and a water outlet pipe. The inner walls of the air inlet pipe and the air outlet pipe are inclined structures, and the inclined structure lowers one end close to the water outlet pipe mouth. The water outlet pipe is connected to the water outlet of the tank body, the air inlet pipe is connected to the double-layer pipe of the tank body, and the air outlet pipe is connected to the inside of the tank body. The gas-liquid separation net is a mesh structure made of metal, which is installed in the air inlet pipe and the air outlet pipe.

3. A flame spraying device according to claim 1, characterized in that: The tank body is a cylindrical structure made of metal material. The air inlet, air outlet and water outlet of the tank body are all connected to one end of the metal pipe. The tank body and the metal pipe are an integrally formed structure.

4. A flame spraying device according to claim 3, characterized in that: The metal tube and the tank body are integrally formed by an internal high pressure forming process.

5. A flame spraying device according to claim 2, characterized in that: A connecting pipe is fixed to one end of the air outlet pipe away from the tank body, the connecting pipe is communicated with the air outlet pipe, and a thread for connecting with an external pipeline is provided on the connecting pipe.

6. A flame spraying device according to claim 5, characterized in that: The connecting pipe is fixed on the air outlet pipe by welding.

7. A flame spraying device according to claim 3, characterized in that: The metal pipe is provided with an annular flange for connecting an external pipe joint.

8. A flame spraying device according to claim 1, characterized in that: The tank body is provided with a fixing piece, and the fixing piece is provided with a through hole for passing an external bolt.

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