Coal bunker unloader capable of avoiding blockage

Abstract

The coal bunker unloader comprises a bunker and a pressure tank, a sweeping assembly is arranged between the pressure tank and the bunker, the sweeping assembly comprises an air inlet pipe fixedly connected to the bottom of one side of the outer wall of the pressure tank, and a one-way air inlet valve is arranged in the middle of the air inlet pipe. The cleaning assembly is arranged so that pulverized coal attached to the inner wall of the stock bin can be effectively removed, external air enters the pressure tank through the air inlet pipe and the one-way air inlet valve and enters the pressure tank through the connecting pipe and the pressure regulating valve, and the pressure regulating valve is connected with the pressure tank through the automatic blow-down valve. And compressed air in the air source branch pipe passes through the hose and the high-flow pulse valve, the high-flow pulse valve discharges the compressed air into the stock bin through the sweeping module, pulverized coal attached to the inner wall of the stock bin is swept, pulverized coal blockage is avoided, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal bunker unloaders, in particular to a coal bunker unloader which can avoid blockage. Background Art

[0002] Silos are commonly used equipment in material storage and processing. Unloading devices are an important part of silos and are widely used in actual production. However, at present, due to various factors such as raw materials, environment, and equipment, there are blockages, accumulations, and unsmooth unloading during the unloading process of the equipment, which brings many adverse effects to subsequent production.

[0003] At present, when the traditional coal bunker unloader that avoids blockage is in use, it is usually necessary to use a vibration motor to vibrate the coal powder in the bunker to achieve the purpose of unloading. However, since a certain amount of water will be sprayed on the surface of the coal powder during transportation to prevent the coal powder from spontaneous combustion, the coal powder in the bunker will adhere to the inner wall of the bunker due to the accompanying water. Conventional vibration motors cannot achieve the purpose of preventing coal powder from blocking, which leads to a certain degree of limitation in the practicability of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a coal bin unloader that avoids blockage, so as to solve the problem in the above-mentioned background technology that a certain amount of water is sprayed on the surface of coal powder during transportation to prevent spontaneous combustion of coal powder, and the coal powder in the bin will adhere to the inner wall of the bin due to the accompanying water, and the conventional vibration motor cannot achieve the purpose of preventing coal powder from being blocked.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a coal bunker unloader that avoids blockage, comprising a silo and a pressure tank, a cleaning assembly being arranged between the pressure tank and the silo, the cleaning assembly comprising an air intake pipe fixedly connected to the bottom of one side of the outer wall of the pressure tank, a one-way air intake valve being arranged in the middle of the air intake pipe, an automatic sewage valve being arranged at the bottom of the other side of the outer wall of the pressure tank, a connecting pipe being fixedly connected to the top of the pressure tank, a pressure regulating valve and a high-flow filter being respectively arranged on the surface of the connecting pipe from left to right, an end of the connecting pipe away from the pressure tank being fixedly connected to an air source branch pipe, a lower surface of the air source branch pipe being symmetrically connected to a hose, the bottom ends of two groups of the hoses being fixedly connected to high-flow pulse valves, cleaning modules being fixedly connected to the inner sides of the two high-flow pulse valves, and the two cleaning modules being symmetrically arranged on the outer wall of the silo.

[0006] Preferably, the inner edge of the gas source branch pipe is fixedly connected to the outer wall of the silo through a connecting piece, the upper surface of the silo is provided with a cover plate, and the inner wall of the silo is fixedly connected with a partition plate.

[0007] Preferably, a feed frame is symmetrically connected to the upper surface of the cover plate, and a conveyor belt is provided on one side of two feed frames.

[0008] Preferably, a slide groove is provided on the inner wall of the silo discharge port, and a movable ring is slidably connected inside the slide groove.

[0009] Preferably, an annular rack is fixedly connected to the outer wall of the movable ring, and a scraper is symmetrically connected to the inner wall of the movable ring, and the scraper is in contact with the inner wall of the silo.

[0010] Preferably, one side of the inner cavity of the movable ring is rotatably connected to a rotating shaft, and the middle of the rotating shaft is fixedly connected to a driving wheel.

[0011] Preferably, an electric motor is fixedly connected to the bottom of one side of the outer wall of the silo, and the output shaft of the electric motor is transmission-connected to a spur gear, and the spur gear is meshed with an annular rack through a driving wheel.

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

[0013] 1. By setting up a cleaning component, the coal powder attached to the inner wall of the silo can be effectively removed. The external air enters the pressure tank through the air inlet pipe and the one-way air inlet valve, and is transported to the air source branch through the connecting pipe, the pressure regulating valve, and the high-flow filter. The compressed air in the air source branch passes through the hose and the high-flow pulse valve. The high-flow pulse valve discharges the compressed air into the silo through the cleaning module, cleaning the coal powder attached to the inner wall of the silo to avoid clogging by the coal powder, thereby improving the practicality of the device.

[0014] 2. By setting a scraper to avoid blockage caused by coal powder, the output shaft of the electric motor drives the spur gear to rotate, and the spur gear drives the annular rack to rotate through the driving wheel. The annular rack drives the movable ring to slide in the slide groove, and the annular rack synchronously drives the scraper to rotate along the inner wall of the silo to further clean the inner wall of the silo, effectively avoiding blockage caused by coal powder and further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0016] Figure 2 A front schematic diagram of a three-dimensional structure provided by the utility model;

[0017] Figure 3 An exploded schematic diagram of the three-dimensional structure provided by the utility model;

[0018] Figure 4 A schematic cross-sectional view of the three-dimensional structure provided by the utility model;

[0019] Figure 5 The utility model provides Figure 4 A schematic diagram of the structure enlargement in the middle;

[0020] In the figure: 1. silo; 2. cover plate; 3. feed frame; 4. conveyor belt; 5. connector; 6. air source branch pipe; 7. hose; 8. high-flow pulse valve; 9. cleaning module; 10. pressure tank; 11. air inlet pipe; 12. one-way air inlet valve; 13. automatic drain valve; 14. connecting pipe; 15. pressure regulating valve; 16. high-flow filter; 17. partition; 18. slide; 19. movable ring; 20. ring rack; 21. scraper; 22. rotating shaft; 23. driving wheel; 24. electric motor; 25. spur gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Please refer to Figures 1 to 4 A coal bunker unloader that avoids blockage to effectively remove coal powder attached to the inner wall of the bunker, including a bunker 1 and a pressure tank 10, a cleaning component is provided between the pressure tank 10 and the bunker 1, the cleaning component includes an air intake pipe 11 fixedly connected to the bottom of one side of the outer wall of the pressure tank 10, a one-way air intake valve 12 is provided in the middle of the air intake pipe 11, an automatic drain valve 13 is provided at the bottom of the other side of the outer wall of the pressure tank 10, a connecting pipe 14 is fixedly connected to the top of the pressure tank 10, a pressure regulating valve 15 and a high-flow filter 16 are provided on the surface of the connecting pipe 14 from left to right, an end of the connecting pipe 14 away from the pressure tank 10 is fixedly connected to an air source branch pipe 6, and the lower surface of the air source branch pipe 6 is opposite to the pressure tank 10. It is connected with a hose 7, and the bottom ends of the two groups of hoses 7 are fixedly connected with a high-flow pulse valve 8. The inner sides of the two high-flow pulse valves 8 are fixedly connected with a cleaning module 9, and the two cleaning modules 9 are symmetrically arranged on the outer wall of the silo 1. The external air enters the pressure tank 10 through the air inlet pipe 11 and the one-way air inlet valve 12, and is transported to the air source branch pipe 6 through the connecting pipe 14 and the pressure regulating valve 15 and is filtered by the high-flow filter 16. The compressed air in the air source branch pipe 6 passes through the hose 7 and the high-flow pulse valve 8. The high-flow pulse valve 8 discharges the compressed air into the silo through the cleaning module 9, so as to clean the coal powder attached to the inner wall of the silo to avoid clogging by the coal powder, thereby improving the practicability of the device.

[0023] Please refer to Figures 1 to 5The inner edge of the air source branch pipe 6 is fixedly connected to the outer wall of the silo 1 through a connector 5. A cover plate 2 is provided on the upper surface of the silo 1. A partition plate 17 is fixedly connected to the inner wall of the silo 1. A feed frame 3 is symmetrically connected to the upper surface of the cover plate 2. A conveyor belt 4 is provided on one side of each of the two feed frames 3. A chute 18 is provided on the inner wall of the discharge port of the silo 1. A movable ring 19 is slidably connected to the inside of the chute 18. An annular rack 20 is fixedly connected to the outer wall of the movable ring 19. A scraper 21 is symmetrically connected to the inner wall of the movable ring 19, and the scraper 21 fits the inner wall of the silo 1. A rotating shaft 22 is rotatably connected to one side of the inner cavity of the movable ring 19. The middle of the rotating shaft 22 A driving wheel 23 is fixedly connected, and an electric motor 24 is fixedly connected to the bottom of one side of the outer wall of the silo 1. The output shaft of the electric motor 24 is connected to a spur gear 25, and the spur gear 25 is meshed with the annular rack 20 through the driving wheel 23. The output shaft of the electric motor 24 drives the spur gear 25 to rotate, and the spur gear 25 drives the annular rack 20 to rotate through the driving wheel 23. The annular rack 20 drives the movable ring 19 to slide in the slide groove 18, and the annular rack 20 synchronously drives the scraper 21 to rotate along the inner wall of the silo to further clean the inner wall of the silo, effectively avoiding the blockage of coal powder, and the practicality of the device is further improved.

[0024] Working principle: When in use, the conveyor belt 4 transports the coal powder to the silo 1 through the feed frame 3, and separates it under the blockage of the partition 17. The external air enters the pressure tank 10 through the air inlet pipe 11 and the one-way air inlet valve 12, passes through the connecting pipe 14 and the pressure regulating valve 15, and is filtered by the high-flow filter 16 and transported to the air source branch pipe 6. The compressed air in the air source branch pipe 6 passes through the hose 7 and the high-flow pulse valve 8. The high-flow pulse valve 8 discharges the compressed air into the silo through the cleaning module 9, and the coal powder attached to the inner wall of the silo is cleaned. To clean and avoid clogging of coal powder, the output shaft of the electric motor 24 drives the spur gear 25 to rotate, and the spur gear 25 drives the annular rack 20 to rotate through the driving wheel 23, and the annular rack 20 drives the movable ring 19 to slide in the slide groove 18, and the annular rack 20 synchronously drives the scraper 21 to rotate along the inner wall of the silo to further clean the inner wall of the silo, effectively avoiding clogging of coal powder. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal bunker unloader for avoiding blockage, comprising a bunker (1) and a pressure tank (10), characterized in that: A cleaning assembly is provided between the pressure tank (10) and the silo (1), the cleaning assembly comprising an air inlet pipe (11) fixedly connected to the bottom of one side of the outer wall of the pressure tank (10), a one-way air inlet valve (12) being provided in the middle of the air inlet pipe (11), an automatic drain valve (13) being provided at the bottom of the other side of the outer wall of the pressure tank (10), a connecting pipe (14) being fixedly connected to the top of the pressure tank (10), and the surface of the connecting pipe (14) being divided from left to right into: A pressure regulating valve (15) and a high-flow filter (16) are separately provided, and the end of the connecting pipe (14) away from the pressure tank (10) is fixedly connected to the air source branch pipe (6), and the lower surface of the air source branch pipe (6) is symmetrically connected to a hose (7), and the bottom ends of the two groups of the hoses (7) are fixedly connected to a high-flow pulse valve (8), and the inner sides of the two high-flow pulse valves (8) are fixedly connected to a cleaning module (9), and the two cleaning modules (9) are symmetrically arranged on the outer wall of the silo (1).

2. A coal bunker unloader for avoiding blockage according to claim 1, characterized in that: The inner edge of the gas source branch pipe (6) is fixedly connected to the outer wall of the silo (1) via a connecting piece (5); a cover plate (2) is provided on the upper surface of the silo (1); and a partition plate (17) is fixedly connected to the inner wall of the silo (1).

3. A coal bunker unloader for avoiding blockage according to claim 2, characterized in that: The upper surface of the cover plate (2) is symmetrically connected to a feed frame (3), and a conveyor belt (4) is provided on one side of the two feed frames (3).

4. A coal bunker unloader for avoiding blockage according to claim 1, characterized in that: The inner wall of the discharge port of the silo (1) is provided with a slide groove (18), and a movable ring (19) is slidably connected inside the slide groove (18).

5. A coal bunker unloader for avoiding blockage according to claim 4, characterized in that: The outer wall of the movable ring (19) is fixedly connected to a ring-shaped rack (20), and the inner wall of the movable ring (19) is symmetrically connected to a scraper (21), and the scraper (21) is in contact with the inner wall of the silo (1).

6. A coal bunker unloader for avoiding blockage according to claim 4, characterized in that: A rotating shaft (22) is rotatably connected to one side of the inner cavity of the movable ring (19), and a driving wheel (23) is fixedly connected to the middle of the rotating shaft (22).

7. A coal bunker discharger for avoiding blockage according to claim 1, characterized in that: An electric motor (24) is fixedly connected to the bottom of one side of the outer wall of the silo (1), and the output shaft of the electric motor (24) is drivingly connected to a spur gear (25), and the spur gear (25) is meshed with the annular rack (20) through a driving wheel (23).

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