Air pulse unblocking device for mill feeding chute

Abstract

The utility model belongs to the technical field of unblocking devices, and discloses an air pulse unblocking device for a feeding chute of a mill, which comprises a first air channel header pipe, one end of the first air channel header pipe is connected with an air compressor, an air inlet valve is mounted on the outer surface of the first air channel header pipe, and the first air channel header pipe is fixedly connected with an air storage tank through an adaptive joint. A plurality of gas path branch pipes are arranged on the outer surface of the gas path annular pipe II at equal intervals, one end of each gas path branch pipe is connected with a pulse nozzle, under the action of high-pressure gas generated by an air compressor, the pulse nozzle is connected with the gas path main pipe I, and a pressure regulating valve is installed on the outer surface of the gas path main pipe I, and the pressure regulating valve and the gas inlet valve are located on the two sides of the gas storage tank respectively. The pulse spray head can spray powerful pulse airflow into the blanking pipe, the pulse airflow can efficiently impact blocked materials at all parts in the blanking pipe, and compared with a traditional blockage clearing device, the blockage clearing effect is greatly improved, material residues are effectively reduced, and the secondary blockage risk is reduced.

Description

Technical Field

[0001] This utility model belongs to the technical field of unblocking devices, specifically an air pulse unblocking device for mill feed chute. Background Technology

[0002] In industrial production, the mill feed chute serves as a crucial channel for materials to enter the mill, and its smooth operation is vital to production efficiency and product quality. However, mill feed chutes currently face a severe problem of clogging.

[0003] Existing mill feed chute unblocking devices often have poor unblocking effects, easily leaving residual material that can cause secondary blockages. Furthermore, maintenance requires stopping the machine and disassembling multiple components, making the operation cumbersome and time-consuming.

[0004] Therefore, an air pulse unblocking device for mill feed chute is proposed to address the above problems. Utility Model Content

[0005] To address the problems mentioned in the background art, this utility model provides an air pulse unblocking device for mill feed chute, which improves the unblocking effect, effectively reduces material residue, and lowers the risk of secondary blockage.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an air pulse unblocking device for a mill feed chute, comprising a main air pipe, one end of which is connected to an air compressor, an inlet valve installed on the outer surface of the main air pipe, an air storage tank fixedly connected to the main air pipe via an adapter, a pressure regulating valve installed on the outer surface of the main air pipe, the pressure regulating valve and the inlet valve being located on opposite sides of the air storage tank, a particle filter box fixedly connected to one end of the main air pipe, a second air ring pipe at the other end of the particle filter box, a plurality of branch air pipes fixedly connected to the outer surface of the second air ring pipe, a common discharge pipe on the outer surface of the plurality of branch air pipes, each branch air pipe penetrating the discharge pipe and extending downward into the discharge pipe, a pulse nozzle fixedly connected to one end of each branch air pipe inside the discharge pipe, and the end of the discharge pipe directly connected to the inside of the coal mill.

[0007] Preferably, a plurality of the gas path branches are arranged in a ring array in the vertical direction.

[0008] Preferably, one end of the gas storage tank is provided with a drainage kit.

[0009] Preferably, solenoid valves and valves are installed on the outer surface of each of the gas path manifolds.

[0010] Preferably, a piston is fixedly connected to one end of each of the pulse nozzles located in the feed tube.

[0011] Preferably, a fixed bracket is installed below the main gas pipe, the gas storage tank, and the gas ring pipe.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model provides several air path branch pipes evenly spaced on the outer surface of the air path ring pipe, with one end of each branch pipe connected to a pulse nozzle. Under the action of high-pressure gas generated by the air compressor, the pulse nozzle can spray a powerful pulse airflow into the material drop pipe. The pulse airflow can efficiently impact the blockage material in various parts of the material drop pipe. Compared with traditional unblocking devices, this greatly improves the unblocking effect, effectively reduces material residue, and lowers the risk of secondary blockage. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a top view of the overall structure of this utility model;

[0016] Figure 3 This is a side view of the overall device of this utility model;

[0017] Figure 4 This is a schematic diagram of the gas path ring pipe and gas path branch pipe structure of this utility model.

[0018] In the diagram: 1. Main air pipe 1; 2. Inlet valve; 3. Air tank; 4. Pressure regulating valve; 5. Particle filter box; 6. Feed pipe; 7. Air loop pipe 2; 8. Drainage kit; 9. Fixing bracket; 10. Air branch pipe; 11. Pulse nozzle; 111. Piston; 112. Solenoid valve; 12. Valve. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1 to 4As shown, this utility model provides an air pulse unclogging device for a mill feed chute, including an air main pipe 1, one end of which is connected to an air compressor. An inlet valve 2 is installed on the outer surface of the air main pipe 1. An air storage tank 3 is fixedly connected to the air main pipe 1 via an adapter. A pressure regulating valve 4 is installed on the outer surface of the air main pipe 1. The pressure regulating valve 4 and the inlet valve 2 are located on opposite sides of the air storage tank 3. A particle filter box 5 is fixedly connected to one end of the air main pipe 1. At the other end of the particle filter box 5 is the second air passage pipe 7. Several air passage branch pipes 10 are fixedly connected to the outer surface of the second air passage pipe 7. The length of the air passage branch pipes 10 is 1000-6000mm. The outer surface of the several air passage branch pipes 10 is provided with a material drop pipe 6. One end of each of the several air passage branch pipes 10 is fixedly connected to a pulse nozzle 11. One end of each of the several pulse nozzles 11 passes through the material drop pipe 6 and extends into the material drop pipe 6. The end of the material drop pipe 6 is directly connected to the inside of the coal mill.

[0021] Specifically, several air path sub-pipes 10 are arranged in a ring array in the vertical direction, and the vertical spacing between two adjacent sets of air path sub-pipes 10 is 800-1200mm. This distribution method can fully cover different height positions of the material drop pipe 6, ensuring that pulse airflow can be generated in all areas of the material drop pipe 6, effectively improving the comprehensiveness and uniformity of unblocking, and avoiding unblocking dead zones.

[0022] like Figures 1 to 4 As shown, a drainage kit 8 is provided at one end of the gas storage tank 3 to prevent moisture from entering the gas circuit system, avoid gas circuit corrosion caused by moisture and affect the pressure and stability of the pulse airflow, and extend the service life of the device.

[0023] Furthermore, solenoid valves 112 and valves 12 are installed on the outer surface of several gas line branch pipes 10, which facilitates flexible adjustment of the gas line when some gas lines malfunction or when it is necessary to perform unblocking operations in specific areas, thereby improving the convenience and flexibility of the device.

[0024] like Figures 1 to 4 As shown, several pulse nozzles 11 are fixedly connected to pistons 111 at one end of the discharge pipe 6. The pistons 111 can enhance the impact force on the blockage material in the discharge pipe 6 when the pulse airflow is ejected, effectively improving the unblocking effect. At the same time, the pistons 111 can also play a certain guiding role, so that the airflow acts more concentratedly on the blockage.

[0025] It is worth noting that a fixed bracket 9 is installed below the main gas pipe 1, the gas storage tank 3, and the gas ring pipe 7 to ensure the stability of the entire device during operation and to prevent the sealing of the gas connection and the normal operation of the device from being affected by the shaking or displacement of the components.

[0026] Working principle and process: Compressed air generated by the air compressor is transported through the main air pipe 1. The air inlet valve 2 controls the gas entry. The air storage tank 3 plays the role of stabilizing the air pressure and storing the gas. The pressure regulating valve 4 adjusts the gas pressure to a suitable range. After the gas passes through the particle filter box 5 to remove impurities, it enters the air loop pipe 7 and then reaches the pulse nozzle 11 through each air branch pipe 10. When the pulse nozzle 11 is working, the high-speed airflow is sprayed out from the nozzle to impact and clean the blockage material in the discharge pipe 6. The piston 111 enhances the impact force. The solenoid valve 112 and valve 12 on the air branch pipe 10 can control the air circuit opening and closing. The drainage kit 8 ensures that the air circuit system is free from water stains. The fixed bracket 9 maintains the stable operation of the device.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air pulse unblocking device for mill feed chute, comprising a gas circuit main pipe (1), characterized in that: One end of the gas circuit main pipe (1) is connected with an air compressor, an air inlet valve (2) is installed on the outer surface of the gas circuit main pipe (1), the gas circuit main pipe (1) is fixedly connected with a gas storage tank (3) through an adapter joint, a pressure regulating valve (4) is installed on the outer surface of the gas circuit main pipe (1), the pressure regulating valve (4) and the air inlet valve (2) are located on the two sides of the gas storage tank (3) respectively, one end of the gas circuit main pipe (1) is fixedly connected with a particle filter box (5), the other end of the particle filter box (5) is connected with a gas circuit ring pipe two (7), the outer surface of the gas circuit ring pipe two (7) is fixedly connected with a plurality of gas circuit branch pipes (10), the outer surfaces of the plurality of gas circuit branch pipes (10) are provided with a blanking pipe (6) together, one end of each of the plurality of gas circuit branch pipes (10) is fixedly connected with a pulse spray head (11), one end of each of the plurality of pulse spray heads (11) penetrates through the blanking pipe (6) and extends into the blanking pipe (6), and the blanking pipe (6) is directly connected with the inside of a coal mill.

2. The air pulse blockage removal device for a mill feed chute according to claim 1, characterized in that: The plurality of gas circuit branch pipes (10) are arranged in a ring array in the vertical direction.

3. The air pulse blockage removal device for a mill feed chute of claim 1, wherein: One end of the gas storage tank (3) is provided with a drainage kit (8).

4. The air pulse blockage removal device for a mill feed chute of claim 1, wherein: The outer surfaces of the plurality of gas circuit branch pipes (10) are provided with an electromagnetic valve (112) and a valve (12).

5. The air pulse blockage removal device for a mill feed chute of claim 1, wherein: One end of each of the plurality of pulse spray heads (11) is fixedly connected with a piston (111).

6. An air pulse blockage removal device for use in a mill feed chute according to claim 1, characterized in that: The lower parts of the gas circuit main pipe (1), the gas storage tank (3) and the gas circuit ring pipe two (7) are provided with a fixed support (9) together.

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