Yellow phosphorus atomizing spray gun

Abstract

The utility model relates to a yellow phosphorus atomizing spray gun, which belongs to the field of chemical production equipment and is characterized in that a spray head of the yellow phosphorus atomizing spray gun is inserted into a phosphorus burning tower from a phosphorus adding opening, the spray gun is mounted on the top surface of the phosphorus adding opening through a first flange, a gun core tube is arranged in a gun tube, the gun core tube and the gun tube are fixed through a second flange, and the spray head is in threaded connection with the gun tube. The bottom of the spray head is provided with a spray head phosphorus outlet, the bottom of the gun core tube is connected with an inner spray head, the bottom of the inner spray head is provided with an inner spray head phosphorus outlet, and after the gun core tube is installed in the gun barrel, the spray head phosphorus outlet and the inner spray head phosphorus outlet are concentrically arranged to form a concentric phosphorus outlet. Welding points exist on the contact surface and are distributed at multiple point positions of the contact surface, the gun core pipe is not prone to shaking, primary compressed air and secondary compressed air are introduced from the first connecting pipe and the second connecting pipe, yellow phosphorus is atomized and sprayed out, and phosphorus spraying operation is completed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of chemical production equipment, specifically, the utility model relates to a yellow phosphorus atomizing spray gun. BACKGROUND

[0002] The phosphorus combustion tower spray gun for producing the phosphorus pentoxide is the key equipment for producing the phosphorus pentoxide, and the spray gun for the phosphorus combustion tower directly affects the product quality if fluctuation occurs, the spray gun for the phosphorus combustion tower is generally made of 316L stainless steel, the spray gun for the phosphorus combustion tower sprays phosphorus by using the gun core pipe, primary air and secondary compressed air, the gap between the spray head of the spray gun and the inner spray head of the gun core pipe needs to be adjusted, and the gap is fixed by using the stainless steel bolt on the spray head after adjustment, the yellow phosphorus pipeline is bent in the gun pipe due to excessively high temperature in the production process, the gap between the spray head of the spray gun and the inner spray head of the gun core pipe changes, the fluctuation of the gap leads to poor atomization effect of the yellow phosphorus and poor product quality, the device needs to be stopped and the spray gun needs to be replaced, the spray gun is frequently replaced, the safety risk is high, and the production efficiency is affected. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the problems in the background art, the utility model discloses a yellow phosphorus atomizing spray gun, the spray head of the yellow phosphorus atomizing spray gun is inserted into the phosphorus combustion tower from the phosphorus adding opening, the spray gun is installed on the top surface of the phosphorus adding opening through the first flange, the gun pipe is internally provided with the gun core pipe, the gun core pipe is fixed with the gun pipe through the second flange, the spray head is threadedly connected with the gun pipe, the bottom of the spray head is provided with a phosphorus outlet, the bottom of the gun core pipe is connected with the inner spray head, the bottom of the inner spray head is provided with a phosphorus outlet, after the gun core pipe is installed in the gun pipe, the phosphorus outlet of the spray head and the phosphorus outlet of the inner spray head are concentrically arranged, and the concentric phosphorus outlet is formed, the contact surface between the outer surface of the inner spray head and the inner surface of the spray head mounting opening is spot welded by argon arc welding, the contact surface has the welding points, the welding points are distributed on multiple points of the contact surface, the gun core pipe is not prone to shaking, primary compressed air and secondary compressed air are introduced from the first connecting pipe and the second connecting pipe, the yellow phosphorus is atomized and sprayed out, and the phosphorus spraying operation is completed.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical schemes:

[0005] The yellow phosphorus atomizing spray gun is characterized by comprising a phosphorus combustion tower, a phosphorus adding opening, a spray gun, a first flange, a gun core pipe, a second flange and a phosphorus pipe external connecting piece, the phosphorus adding opening is arranged on the side surface of the phosphorus combustion tower, the spray gun is inserted from the phosphorus adding opening, the spray gun is connected with the phosphorus adding opening through the first flange, the gun pipe of the spray gun is internally provided with the gun core pipe, the gun core pipe is connected with the gun pipe through the second flange, the end of the spray gun inserted into the phosphorus adding opening is connected with the spray head, the end of the gun core pipe located in the gun pipe is provided with the inner spray head, the side surface of the gun pipe of the spray gun is provided with the first connecting pipe, and the phosphorus pipe external connecting piece is communicated with the gun core pipe.

[0006] As preferred: comprising: a material channel, a phosphorus combustion tower heating surface; the material channel is located inside the phosphorus combustion tower, the material channel is communicated with the phosphorus adding opening, and the phosphorus combustion tower heating surface is located inside the phosphorus combustion tower.

[0007] As preferred: comprising: a second connecting pipe; the second connecting pipe is arranged at the top of the phosphorus combustion tower.

[0008] As preferred: comprising: a nozzle mounting opening; the nozzle mounting opening is arranged at the bottom of the gun barrel, the nozzle mounting opening is integrally formed with the gun barrel, the nozzle mounting opening is a thread on the outer surface of the gun barrel, and the nozzle is screw-connected with the nozzle mounting opening.

[0009] As preferred: comprising: a welding point; the welding point is arranged at the contact surface of the inner nozzle and the gun barrel.

[0010] As preferred: comprising: a flow guide groove; the flow guide groove is arranged on the outer surface of the inner nozzle, and the flow guide groove is a groove recessed on the outer surface of the inner nozzle.

[0011] As preferred: comprising: a nozzle phosphorus outlet opening and an inner nozzle phosphorus outlet opening; the nozzle phosphorus outlet opening is arranged through the bottom surface of the nozzle, the inner nozzle phosphorus outlet opening is arranged through the bottom surface of the inner nozzle, and the nozzle phosphorus outlet opening and the inner nozzle phosphorus outlet opening are concentrically arranged to form a concentric phosphorus outlet opening.

[0012] As preferred: comprising: a third flange; the third flange is arranged at the top of the first connecting pipe, and the first connecting pipe is communicated with the compressed air storage tank through the third flange.

[0013] As preferred: comprising: a fourth flange; the fourth flange is arranged at the end of the phosphorus pipe external connecting piece, and the phosphorus pipe external connecting piece is communicated with the yellow phosphorus storage tank through the fourth flange.

[0014] The beneficial effects of the yellow phosphorus atomizing spray gun are as follows: the nozzle of the yellow phosphorus atomizing spray gun is inserted into the phosphorus combustion tower from the phosphorus adding opening, the spray gun is installed on the top surface of the phosphorus adding opening through the first flange, the gun barrel is internally provided with a gun core pipe, the gun core pipe is fixed with the gun barrel through the second flange, the nozzle is screw-connected with the gun barrel, the nozzle is provided with a nozzle phosphorus outlet opening at the bottom, the gun core pipe is connected with an inner nozzle at the bottom, the inner nozzle is provided with an inner nozzle phosphorus outlet opening at the bottom, after the gun core pipe is installed in the gun barrel, the nozzle phosphorus outlet opening and the inner nozzle phosphorus outlet opening are concentrically arranged to form a concentric phosphorus outlet opening, the contact surface between the outer surface of the inner nozzle and the inner surface of the nozzle mounting opening is welded and connected through argon arc welding points, the contact surface is provided with welding points, the welding points are distributed at multiple points on the contact surface, the gun core pipe is not prone to shaking, the concentricity of the concentric phosphorus outlet opening cannot be easily changed, primary compressed air and secondary compressed air are introduced from the first connecting pipe and the second connecting pipe, yellow phosphorus is atomized and sprayed out, and the phosphorus spraying operation is completed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic diagram of the utility model;

[0016] Fig. 2This is a schematic diagram of the spray gun structure;

[0017] Fig. 3 This is a schematic diagram of the structure of the phosphorus tube connector;

[0018] Fig. 4 A schematic diagram showing the connection relationship between the nozzle mounting port and the inner nozzle;

[0019] Fig. 5 This is a schematic diagram of the concentric phosphorus outlet structure.

[0020] In the diagram, 1 is the phosphorus combustion tower, 2 is the phosphorus inlet, 3 is the feed channel, 4 is the heating surface of the phosphorus combustion tower, 5 is the spray gun, 6 is the gun barrel, 7 is the gun core tube, 8 is the first flange, 9 is the first connecting pipe, 10 is the second flange, 11 is the phosphorus pipe external connector, 12 is the nozzle, 13 is the concentric phosphorus outlet, 14 is the second connecting pipe, 15 is the nozzle mounting port, 16 is the inner nozzle, 17 is the backflow groove, 18 is the third flange, 19 is the inner nozzle phosphorus outlet, 20 is the nozzle phosphorus outlet, 21 is the fourth flange, and 22 is the welding point. Detailed Implementation

[0021] To make the above objectives, technical solutions, and beneficial effects clearer and more explicit, the present invention will be described in detail below with reference to the accompanying drawings.

[0022] like Figs. 1-3 As shown, the components are: 1. Phosphorus combustion tower; 2. Phosphorus inlet; 5. Spray gun; 6. Gun barrel; 7. Gun core tube; 8. First flange; 9. First connecting pipe; 10. Second flange; 11. Phosphorus pipe external connector; 21. Fourth flange; 12. Spray head; 13. Concentric phosphorus outlet.

[0023] The phosphorus inlet 2 is located on the side of the phosphorus combustion tower 1. The top of the phosphorus combustion tower 1 is connected to a second pipe 14, which is connected to a compressed air source pipeline. The bottom end of the phosphorus inlet 2 is connected to a material channel 3. The spray gun 5 is inserted into the phosphorus combustion tower 1 from the top of the phosphorus inlet 2. The spray gun 5 is fixed to the top of the phosphorus inlet 2 by a first flange 8. The lower flange of the first flange 8 is connected to the phosphorus inlet 2, the upper flange is connected to the gun barrel 6, the lower flange is connected to the upper flange, and a gasket is provided between the lower flange and the upper flange.

[0024] The spray gun 5 has a gun core tube 7 inside the barrel 6. The gun core tube 7 is connected to the barrel 6 through a second flange 10. The lower flange of the second flange 10 is connected to the barrel 6, and the upper flange is connected to the gun core tube 7. The lower flange and the upper flange are connected. A gasket is placed between the lower flange and the upper flange. The side of the barrel 6 is connected to a first pipe 9. Compressed air is introduced through the first pipe 9. One end of the spray gun 5 is connected to the gun core tube 7. The other end of the spray gun 5 is provided with a nozzle mounting port 15. The outer periphery of the nozzle mounting port 15 is provided with an external thread. The nozzle mounting port 15 is threadedly connected to a nozzle 12. One end of the nozzle 12 is connected to the nozzle mounting port 15. The nozzle mounting port 15 is a threaded port on the outer surface of the bottom tube of the barrel 6. The other end is provided with a nozzle outlet 20.

[0025] One end of the gun core tube 7 is connected with the gun barrel 6, and the other end is integrally connected with an inner nozzle 16. The outer surface of the inner nozzle 16 is provided with a flow guide groove. One end of the inner nozzle 16 is connected with the gun core tube 7, and the other end is provided with an inner nozzle phosphorus outlet 19. The gun core tube 7 is inserted into the gun barrel 6 for installation. The gun core tube 7 is fixed with the gun barrel 6 through the second flange 10. After installation, the inner nozzle 16 is located inside the nozzle 12. The length of the inner nozzle 16 at the bottom is slightly shorter than the length of the nozzle 12. The phosphorus outlet 20 of the nozzle is concentrically arranged with the inner nozzle phosphorus outlet 19 to form a concentric phosphorus outlet 13. The contact surface between the outer surface of the inner nozzle 16 and the inner surface of the nozzle mounting port 15 is connected by argon arc welding spot welding. There are welding points 22 on the contact surface. The gun core tube 7 is not easy to shake.

[0026] After the inner nozzle 16 connected with the gun core tube 7 is installed inside the gun barrel 6, the other end of the gun core tube 7 is located outside the gun barrel 6. The gun core tube 7 located outside the gun barrel 6 is connected with a phosphorus pipe external connecting piece 11. One end of the phosphorus pipe external connecting piece 11 is communicated with the gun core tube 7, and the other end is communicated with the phosphorus outlet pipe of the phosphorus storage tank through the fourth flange 21. A material pump is arranged on the phosphorus outlet pipe to facilitate the feeding of yellow phosphorus.

[0027] The yellow phosphorus atomizing spray gun 5 is used for the phosphorus adding spray gun 5 of the phosphorus combustion tower 1 for producing the phosphorus pentoxide, first, the spray gun 5 is installed, the gun barrel 6 top end is inserted into the gun core pipe 7, the gun core pipe 7 selects the 316L stainless steel pipe with the wall thickness of 10x2 and the pipe length of 1160mm, the gun core pipe 7 is connected with the gun barrel 6 top end through the second flange 10, the inner spray head 16 bottom end of the gun core pipe 7 is exposed from the spray head mounting port 15 of the gun barrel 6 bottom, the outer surface of the inner spray head 16 is in contact with the inner surface of the spray head mounting port 15, the installation position of the spray head 12 is combined, the operator can use the argon arc welding mode to carry out spot welding connection on the contact surface between the outer surface of the spray head 12 and the inner surface of the spray head mounting port 15 on the premise that the spray head 12 is smoothly installed, the gun core pipe 7 will not shake, compared with the peripheral insertion bolt fixing of the spray head 12, the fixing effect is better, it is not necessary to repeatedly disassemble and replace and adjust, then the spray head 12 is threadedly installed at the spray head mounting port 15, after the spray head 12 is installed, the inner spray head phosphorus outlet 19 and the spray head phosphorus outlet 20 are concentrically arranged at the bottom end of the spray head 12, the concentricity of the gun core is adjusted, the concentric phosphorus outlet 13 is formed, the concentricity of the concentric phosphorus outlet 13 will not easily change, after installation, the spray gun 5 is inserted into the phosphorus adding port 2 of the phosphorus combustion tower 1 for producing the phosphorus pentoxide as a whole, the spray gun 5 is fixedly connected with the phosphorus adding port 2 through the first flange 8, after the spray gun 5 is installed, the first connecting pipe 9 is communicated with the gun barrel 6 at one end of the first connecting pipe 9 of the phosphorus combustion tower 1, and is communicated with the compressed air storage tank through the third flange 18 at the other end, the length of the inner spray head 16 at the bottom of the inner spray head 16 is slightly shorter than the spray head 12, the yellow phosphorus sprayed at the inner spray head 16 is short-time retained at the concentric phosphorus outlet 13, the compressed air is introduced into the first connecting pipe 9, the compressed air reaches the discharge port of the spray head 12, the yellow phosphorus mist sprayed from the inner spray head phosphorus outlet 19 can be sprayed into the phosphorus combustion tower 1, the second connecting pipe 14 at the top end of the phosphorus combustion tower 1 is communicated with the material channel 3, the secondary compressed air is introduced into the second connecting pipe 14, the floating yellow phosphorus can be downward blown to make it contact with the heated surface 4 of the phosphorus combustion tower, the phosphorus combustion tower 1 can fully utilize the yellow phosphorus blown into the spray gun 5; during production, the gap between the spray head 12 and the inner spray head 16 of the spray gun 5 is stable and will not shake, it is not necessary to frequently disassemble and adjust the spray gun 5, the device can be normally produced, the temperature change of the spray gun 5 during use will not cause the concentricity of the inner spray head 16 to deviate, the production is good in atomization effect, the production cycle is shortened, the service life of the spray gun 5 is prolonged, the concentricity of the gun core of the spray gun 5 is guaranteed, and the spray gun 5 is better in atomization effect during use.

[0028] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the present application and not to limit it, although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application.

Claims

1. A yellow phosphorus atomizing lance characterized by, The phosphorus combustion tower, the phosphorus adding port, the spray gun, the first flange, the gun core pipe, the second flange, and the phosphorus pipe outer connecting piece are included. The phosphorus adding port is arranged on the side of the phosphorus combustion tower, the spray gun is inserted from the phosphorus adding port, the spray gun is connected with the phosphorus adding port through the first flange, the gun core pipe is arranged in the gun barrel of the spray gun and connected with the gun barrel through the second flange, the end of the spray gun is connected with the spray head, the end of the gun core pipe is provided with the inner spray head, the side of the gun barrel of the spray gun is provided with the first connecting pipe, and the phosphorus pipe outer connecting piece is communicated with the gun core pipe.

2. A yellow phosphorus atomizing lance as claimed in claim 1, characterized in that: The phosphorus combustion tower, the phosphorus adding port, the spray gun, the first flange, the gun core pipe, the second flange, and the phosphorus pipe outer connecting piece are included. The material channel and the heated surface of the phosphorus combustion tower are included.

3. A yellow phosphorus atomizing lance as claimed in claim 1, characterized in that: The material channel is arranged in the phosphorus combustion tower, and the material channel is communicated with the phosphorus adding port. The second connecting pipe is included. The second connecting pipe is arranged on the top of the phosphorus combustion tower.

4. A yellow phosphorus atomizing lance as claimed in claim 1, characterized in that: The spray head mounting port is included. The spray head mounting port is arranged on the bottom of the gun barrel, the spray head mounting port is integrally formed with the gun barrel, the spray head mounting port is the thread on the outer surface of the gun barrel, and the spray head is threadedly connected with the spray head mounting port.

5. A yellow phosphorus atomizing lance as claimed in claim 4, characterized in that: The welding point is included. The welding point is arranged on the contact surface between the inner spray head and the spray head mounting port.

6. A yellow phosphorus atomizing lance as claimed in claim 1, characterized in that: The flow guide groove is included. The flow guide groove is arranged on the outer surface of the inner spray head, and the flow guide groove is a groove on the outer surface of the inner spray head. The spray head phosphorus outlet and the inner spray head phosphorus outlet are included.

7. A yellow phosphorus atomizing lance as claimed in claim 1, characterized in that: The spray head phosphorus outlet is arranged on the bottom surface of the spray head, the inner spray head phosphorus outlet is arranged on the bottom surface of the inner spray head, and the spray head phosphorus outlet and the inner spray head phosphorus outlet are concentrically arranged to form a concentric phosphorus outlet. The third flange is included. The third flange is arranged on the top of the first connecting pipe, and the first connecting pipe is communicated with the compressed air storage tank through the third flange.

8. A yellow phosphorus atomizing lance as claimed in claim 1, characterized in that: The fourth flange is included. The fourth flange is arranged on the end of the phosphorus pipe outer connecting piece, and the phosphorus pipe outer connecting piece is communicated with the yellow phosphorus storage tank through the fourth flange.

9. A yellow phosphorus atomizing lance as claimed in claim 1, characterized in that: ​ ​ ​

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