Dust removal device for feed opening of coal bunker

By designing a dust removal device at the coal bunker discharge port, a vertical shaft driven by an electric motor rotates to drive the scraper and cross ring seat, thereby cleaning the inner wall of the hopper and ensuring stable filtration of the filter cloth layer. This solves the problem of coal ash accumulation on the inner wall of the ash hopper and improves the operating efficiency and cleaning convenience of the dust removal equipment.

CN224014927UActive Publication Date: 2026-03-20WUHAIHUAZIMEIJIAO CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing coal bunker dust removal devices, coal ash easily accumulates on the inner wall of the ash hopper, affecting the dust removal effect, and the ash hopper is inconvenient to clean.

Method used

A dust removal device for the coal bunker discharge port was designed, including a main body of the dust removal equipment, a hopper, a top plate, a reducer, a motor, a vertical shaft, an inclined rod, and a scraper. The vertical shaft is driven by the motor to rotate, which in turn drives the scraper to clean the inner wall of the hopper. Combined with the rotation switching of the cross ring seat, the grid plate, and the filter cloth layer, the effective filtration and cleaning of coal ash is achieved.

Benefits of technology

It improves the smoothness of hopper discharge, reduces the accumulation of coal ash inside the hopper, enhances the filtration stability of the filter cloth layer, facilitates the disassembly and cleaning of the filter cloth layer, and improves the dust removal effect.

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Abstract

The utility model relates to the technical field of coal bunker dust removal equipment, in particular to a coal bunker feed opening dust removal device which comprises a dust removal equipment body, a hopper used for collecting dust is arranged on the surface of the bottom end of the dust removal equipment body, a top plate used for blocking is assembled on the surface of the top end of the dust removal equipment body, and a speed reducer is assembled on the surface of the top end of the top plate. A vertical shaft in transmission connection with the speed reducer is rotationally mounted on the surface of the bottom end of the top plate; in the using process of the dust removal equipment for the discharging opening of the coal bunker, a motor on the surface of a top plate can operate, and a vertical shaft in the dust removal equipment body is driven to rotate under the operation of a speed reducer, so that the vertical shaft can drive a scraper to rotate through an inclined rod and scrape and clean the inner wall of a hopper; and meanwhile, the condition that coal ash is accumulated on one side in the hopper can be reduced during storage at ordinary times.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal bunker dust removal equipment technical field, concretely relates to a coal bunker discharge port dust removal device. BACKGROUND

[0002] The coal bunker dust removal of power plant main plant house has been all selected dust remover without ash bucket to be placed on the top of coal bunker, maintains the negative pressure in the bunker, absorbs the air inside the coal bunker to carry out dust removal, and most of the coal bunkers of the built power plant main plant house adopt this kind of mode, or select dust remover with ash bucket, directly connect dust removal air pipe to the inside of coal bunker, ash bucket out ash drop pipe, ash drop pipe directly falls back to the inside of coal bunker, patent number CN202220630785.0 discloses coal bunker dust removal device, can be set on the top of every plough coal ware on the conveying belt, including dust remover, dust removal air pipe and ash drop pipe, dust remover is erected on the top of plough coal ware, dust removal interface of dust remover is connected with the upper end of dust removal air pipe, the lower end of dust removal air pipe is located on the upper part of the discharge port beside plough coal ware, and the dust generated when plough coal ware discharges is sucked;But in the process that dust remover extracts coal ash, the coal ash is stored by using ash bucket, and some dust is easy to adhere to the inner wall of ash bucket during discharge, and long-term accumulation can cause certain influence. For this reason, we provide a coal bunker discharge port dust removal device. UTILITARIAN CONTENT

[0003] In view of the problems in the prior art, the utility model provides a coal bunker discharge port dust removal device.

[0004] The utility model discloses a coal bunker discharge port dust removal device, including dust removal equipment main part, the dust removal equipment main part bottom end surface is provided with the hopper for collecting ash, and the dust removal equipment main part top end surface is equipped with the top plate for plugging, the top plate top end surface is equipped with the speed reducer, and the top plate bottom end surface rotatory mounting has the vertical shaft with the transmission connection of speed reducer, the power input end of speed reducer is equipped with the motor, the vertical shaft inside one end of hopper is equipped with the inclined rod for supporting, and the inclined rod has multiple groups, the end of inclined rod away from vertical shaft is equipped with the scraper for cleaning ash,

[0005] The dust removal equipment main part inner circle is equipped with the vertical pipe that communicates with the ash inlet, and the dust removal equipment main part inner surface rotatory mounting has the cross circle seat that is connected with the vertical shaft, the cross circle seat top end surface and bottom end surface are equipped with the grating plate for protection, and the filter cloth layer for filtering ash is equipped between two grating plates.

[0006] By adopting the above technical scheme, during the use of the dust removal equipment for the coal bunker discharge port, the motor on the top surface can operate and drive the vertical shaft inside the dust removal equipment body to rotate under the operation of the speed reducer, so that the vertical shaft can drive the scraper to rotate through the inclined rod and scrape and clean the inner wall of the hopper, so that the hopper can be discharged more smoothly, and the accumulation of coal ash on one side of the hopper during normal storage can be reduced.

[0007] When the vertical shaft inside the dust removal equipment body rotates, the vertical shaft can synchronously drive the cross circle seat inside the dust removal equipment body to rotate, and the rotation of the cross circle seat conveniently drives the filter cloth layer and the grid plate inside it to move, so as to conveniently switch the position of the vertical pipe and the cross circle seat, thereby reducing the influence caused by the coal ash sucked by the fan group impacting on one position inside the cross circle seat, so that the filter cloth layer can more stably filter and intercept the coal ash, and the grid plate is conveniently disassembled and assembled, so as to conveniently disassemble and replace the filter cloth layer inside the cross circle seat, so that the filter cloth layer can stably filter and intercept the coal ash in the extracted air.

[0008] Specifically, a one-ring frame is arranged on the outer periphery of the vertical shaft in the dust removal equipment body, a cylinder seat for supporting is arranged on the outer periphery of the one-ring frame, and the cylinder seat has multiple groups, a cross vertical rod for adjusting is slidably installed on the inner periphery of the cylinder seat, and a N-shaped rod is integrally formed at one end of the cross vertical rod close to the cross circle seat, and a ball is integrally formed at both ends of the N-shaped rod away from the cross circle seat, and a cam body that fits the ball is arranged on the outer periphery of the vertical shaft.

[0009] By adopting the above technical scheme, when the vertical shaft rotates, the cam body can be synchronously rotated, and the inclined cam surface on the outer periphery of the cam body can conveniently cut the group of balls at the bottom of the N-shaped rod, so that the balls can drive the cross vertical rod to rise and slide in the cylinder seat and press the spring, and when the balls are separated from the blades on the outer periphery of the cam body, the spring in the cylinder seat can directly push the cross vertical rod, and the cross vertical rod can drive the N-shaped rod to descend and drive the other group of balls to impact the cross circle seat, so that the coal ash attached to the surface of the cross circle seat can fall off, and the coal ash can be conveniently cleaned.

[0010] Specifically, a spring is arranged on the outer periphery of the cross vertical rod in the cylinder seat, and the spring has two groups.

[0011] By adopting the above technical scheme, the spring can provide elastic support for the cross vertical rod inside the cylinder seat, and conveniently provide elastic thrust for the cross vertical rod, so that the cross vertical rod can stably drive the balls to impact the cross circle seat.

[0012] Specifically, a groove that fits the cylinder seat is formed on the outer periphery of the cross vertical rod, and the groove has multiple groups.

[0013] By adopting the technical scheme, the groove on the outer periphery of the cross vertical rod and the protrusion on the inner periphery of the cylinder base are matched with each other, so that the cross vertical rod can only ascend and descend in the inner periphery of the cylinder base and cannot self-rotate, thereby enabling the U-shaped rod at the bottom of the cross vertical rod to more stably drive the two groups of balls to move in the ascending and descending directions.

[0014] Specifically, the outer wall surface of the scraper is bonded with a rubber strip abutting against the inner wall of the hopper.

[0015] By adopting the technical scheme, the rubber strip has good elasticity, thereby facilitating the tightness when the scraper is connected with the inner wall of the hopper and improving the effect when the scraper scrapes the inner wall of the hopper.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The technical scheme of the application is designed by the hopper, the top plate, the speed reducer, the motor, the vertical shaft, the inclined rod and the scraper, and in the process of using the dust removal equipment at the discharge port of the coal bunker, the motor on the surface of the top plate operates and drives the vertical shaft in the main body of the dust removal equipment to rotate under the operation of the speed reducer, the vertical shaft drives the scraper to rotate through the inclined rod and scrapes and cleans the inner wall of the hopper, the hopper can be discharged more smoothly, and the accumulation of coal ash on one side in the hopper can be reduced when the hopper stores coal.

[0018] 2. The technical scheme of the application is designed by the vertical pipe, the cross seat, the grid plate and the filter cloth layer, when the vertical shaft in the main body of the dust removal equipment rotates, the vertical shaft drives the cross seat in the main body of the dust removal equipment to rotate synchronously, the cross seat rotates to drive the filter cloth layer and the grid plate in the cross seat to move, the position of the vertical pipe and the cross seat is switched, the influence of the coal ash sucked by the fan group on one position in the cross seat is reduced, the filter cloth layer can stably filter and intercept the coal ash, the grid plate is convenient to disassemble and assemble, the filter cloth layer in the cross seat is convenient to disassemble and replace, and the filter cloth layer can stably filter and intercept the coal ash in the extracted air. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further described below in combination with the drawings and examples.

[0020] Figure 1 It is the axonometric drawing of the utility model;

[0021] Figure 2 It is the inside structure plane schematic view of the dust removal equipment main part of the utility model;

[0022] Figure 3 It is the inside structure partial A place schematic view of the dust removal equipment main part of the utility model;

[0023] Figure 4 The utility model discloses a cam body structure plane schematic view;

[0024] In the drawing: 1, dust removal equipment main body, 2, hopper, 3, top plate, 4, speed reducer, 5, motor, 6, vertical shaft, 7, inclined rod, 8, scraper, 9, rubber strip, 10, vertical pipe, 11, cross circle seat, 12, grating plate, 13, filter cloth layer, 14, cam body, 15, one character ring frame, 16, cylinder seat, 17, cross vertical rod, 18, spring, 19, N type rod, 20, ball, 21, recess. DETAILED DESCRIPTION

[0025] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] Please refer to Figures 1-4 The utility model discloses a dust removal device for coal bunker discharge port, including dust removal equipment main body 1, the dust removal equipment main body 1 bottom end surface is provided with the hopper 2 for collecting dust, and the dust removal equipment main body 1 top end surface is equipped with the top plate 3 for plugging, and the top plate 3 top end surface is equipped with the speed reducer 4, and the top plate 3 bottom end surface rotationally installed has the vertical shaft 6 with the transmission connection of speed reducer 4, and the speed reducer 4 power input end is equipped with the motor 5, and the vertical shaft 6 is equipped with the inclined rod 7 for supporting in the inside one end of hopper 2, and the inclined rod 7 has multiple groups, and the inclined rod 7 is equipped with the scraper 8 for cleaning dust in the end away from the vertical shaft 6, and the dust removal equipment main body 1 inner periphery is equipped with the vertical pipe 10 with the dust inlet intercommunication, and the dust removal equipment main body 1 inner periphery surface rotationally installed has the cross circle seat 11 connected with the vertical shaft 6, and the cross circle seat 11 top end surface and bottom end surface are equipped with the grating plate 12 for protection, and two groups of grating plate 12 are equipped with the filter cloth layer 13 for filtering dust between them.

[0027] When using, in the process of using the dust removal equipment for coal bunker discharge port, the motor 5 on the surface of top plate 3 can operate and drive the vertical shaft 6 inside the dust removal equipment main body 1 to rotate under the operation of speed reducer 4, so that the vertical shaft 6 can drive the scraper 8 to rotate and scrape and clean the inner wall of hopper 2, so that the hopper 2 can be more smooth when discharging, and the coal ash can be reduced to accumulate on one side of the hopper 2 when storing coal in ordinary times;

[0028] When the vertical shaft 6 inside the dust removal equipment body 1 rotates, the vertical shaft 6 can synchronously drive the cross circle seat 11 inside the dust removal equipment body 1 to rotate, and the rotation of the cross circle seat 11 can conveniently drive the filter cloth layer 13 and the grid plate 12 inside it to move, so as to switch the position of the vertical pipe 10 and the cross circle seat 11, thereby reducing the impact of the coal ash sucked by the fan group on the same position inside the cross circle seat 11, so that the filter cloth layer 13 can more stably filter and intercept the coal ash, and the grid plate 12 is convenient to disassemble and assemble, so as to disassemble and replace the filter cloth layer 13 inside the cross circle seat 11, so that the filter cloth layer 13 can stably filter and intercept the coal ash in the extracted air.

[0029] As shown in Figure 2 , Figure 3 and Figure 4 , a one-ring frame 15 is arranged on the inner periphery of the dust removal equipment body 1 and located on the outer periphery of the vertical shaft 6, and a cylinder seat 16 for supporting is arranged on the outer periphery of the one-ring frame 15, and the cylinder seat 16 has a plurality of groups, a cross vertical rod 17 for adjusting is slidably installed on the inner periphery of the cylinder seat 16, and one end of the cross vertical rod 17 close to the cross circle seat 11 is integrally formed with a N-shaped rod 19, and both ends of the N-shaped rod 19 away from the cross circle seat 11 are integrally formed with a ball 20, and a cam body 14 that fits with the ball 20 is arranged on the outer periphery of the vertical shaft 6.

[0030] When the vertical shaft 6 rotates in use, the cam body 14 can be synchronously rotated, and the inclined arc surface on the outer periphery of the cam body 14 can conveniently cut the group of balls 20 at the bottom of the N-shaped rod 19, so that the balls 20 can drive the cross vertical rod 17 to rise and slide in the cylinder seat 16 and press the spring 18, and when the balls 20 are separated from the blades on the outer periphery of the cam body 14, the spring 18 inside the cylinder seat 16 can directly push the cross vertical rod 17, and the cross vertical rod 17 can drive the N-shaped rod 19 to descend and drive another group of balls 20 to impact the cross circle seat 11, so that the coal ash attached to the surface of the cross circle seat 11 can fall off, and the coal ash can be conveniently cleaned.

[0031] As shown in Figure 2 and Figure 3 , the spring 18 is arranged on the outer periphery of the cross vertical rod 17 inside the cylinder seat 16, and the spring 18 has two groups.

[0032] In use, the spring 18 can provide elastic support for the cross vertical rod 17 inside the cylinder seat 16, and conveniently provide elastic thrust for the cross vertical rod 17, so that the cross vertical rod 17 can stably drive the ball 20 to impact the cross circle seat 11.

[0033] As shown in Figure 2 and Figure 3 , the outer periphery of the cross vertical rod 17 is provided with a groove 21 that fits with the cylinder seat 16, and the groove 21 has a plurality of groups.

[0034] In use, the groove 21 on the outer periphery of the cross vertical rod 17 is matched with the protrusion on the inner periphery of the cylinder base 16, so that the cross vertical rod 17 can only ascend and descend in the inner periphery of the cylinder base 16 and cannot self-rotate, thereby enabling the U-shaped rod 19 at the bottom of the cross vertical rod 17 to more stably drive the two groups of balls 20 to move in an ascending and descending displacement manner.

[0035] As shown in Figure 2 The outer wall surface of the scraper 8 is bonded with the rubber strip 9 abutting against the inner wall of the hopper 2.

[0036] In use, the rubber strip 9 has good elasticity, which facilitates the tightness when the scraper 8 is connected with the inner wall of the hopper 2 and improves the effect when the scraper 8 scrapes the inner wall of the hopper 2.

[0037] The utility model discloses a working principle and use flow: when using, first corresponding structural component is installed on the proper position, in the process of using to coal bunker discharge port dust removal equipment, can make the motor 5 of top plate 3 surface operation and under the operation of speed reducer 4 drive dust removal equipment main part 1 inside vertical shaft 6 rotate, make vertical shaft 6 can drive scraper 8 through inclined rod 7 and rotate and scrape and clean the inner wall of hopper 2, make hopper 2 can be more smooth when discharging, can reduce the condition of coal ash in hopper 2 inside one side accumulation when storing material normally, and when vertical shaft 6 in dust removal equipment main part 1 inside rotates, vertical shaft 6 can drive cross circle seat 11 in dust removal equipment main part 1 inside rotate synchronously, and cross circle seat 11 rotates conveniently drive its inside filter cloth layer 13 and grating plate 12 move, convenient to the position of vertical tube 10 and cross circle seat 11 straight face switches, thereby reduce the influence that coal ash that is inhaled by fan group always impacts cross circle seat 11 inside one place causes, make filter cloth layer 13 can more stably filter and intercept coal ash, and grating plate 12 is convenient to dismount, convenient to the filter cloth layer 13 in cross circle seat 11 inside dismount replacement, make filter cloth layer 13 can stably filter and intercept coal ash in the air of extraction, can simultaneously drive cam body 14 rotate when vertical shaft 6 rotates, and the inclined surface of cam body 14 periphery is convenient and a group of ball 20 in the bottom of U-shaped rod 19 mutually cut, make ball 20 can drive cross vertical rod 17 rise and slide in cylinder seat 16 and extrude spring 18, and when ball 20 separates from the blade of cam body 14 periphery each other, the spring 18 in cylinder seat 16 can directly push back cross vertical rod 17, and make cross vertical rod 17 can drive U-shaped rod 19 descend and drive another group of ball 20 hit cross circle seat 11, make the coal ash that can fall off on the surface of cross circle seat 11, convenient to its supplementary cleaning coal ash, thereby make coal bunker discharge port dust removal equipment can more stably operate, and vertical shaft 6 rotates not only can drive scraper 8 scrape and clean the coal ash on the inner wall of hopper 2, can drive cross circle seat 11 rotate and the position of coal ash air direct impact switches, also can drive cam body 14 cut ball 20 in the bottom of U-shaped rod 19, make another group of ball 20 hit cross circle seat 11 and clean ash, the structure of three integrations is more convenient to operate.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dust removal device for a coal bunker discharge port, characterized in that, The device includes a dust removal equipment body (1), a hopper (2) for collecting ash is provided on the bottom surface of the dust removal equipment body (1), and a top plate (3) for sealing is assembled on the top surface of the dust removal equipment body (1). A reducer (4) is assembled on the top surface of the top plate (3), and a vertical shaft (6) connected to the reducer (4) is rotatably installed on the bottom surface of the top plate (3). An electric motor (5) is assembled on the power input end of the reducer (4). A diagonal rod (7) for support is assembled on one end of the vertical shaft (6) located inside the hopper (2), and there are multiple sets of diagonal rods (7). A scraper (8) for cleaning ash is assembled on the end of the diagonal rod (7) away from the vertical shaft (6). The dust removal equipment body (1) is equipped with a vertical pipe (10) connected to the ash inlet end on its inner circumference, and a cross ring seat (11) connected to the vertical shaft (6) is rotatably installed on the inner circumference surface of the dust removal equipment body (1). The top and bottom surfaces of the cross ring seat (11) are equipped with grid plates (12) for protection, and a filter cloth layer (13) for ash filtration is assembled between the two sets of grid plates (12).

2. The dust removal device for the coal bunker discharge port according to claim 1, characterized in that, The dust removal equipment body (1) is equipped with a straight ring frame (15) located on the outer periphery of the vertical shaft (6) on its inner periphery, and a cylinder seat (16) for support is equipped on the outer periphery of the straight ring frame (15), and there are multiple sets of cylinder seats (16). A cross vertical rod (17) for adjustment is slidably installed on the inner periphery of the cylinder seat (16), and a U-shaped rod (19) is integrally constructed at one end of the cross vertical rod (17) near the cross ring seat (11). Both ends of the U-shaped rod (19) away from the cross ring seat (11) are integrally constructed with a ball (20), and a cam body (14) that fits with the ball (20) is equipped on the outer periphery of the vertical shaft (6).

3. The dust removal device for the coal bunker discharge port according to claim 2, characterized in that, The cylinder base (16) is fitted with a spring (18) located on the outer periphery of the cross vertical rod (17), and there are two sets of springs (18).

4. The dust removal device for the coal bunker discharge port according to claim 2, characterized in that, The outer periphery of the cross vertical rod (17) is provided with a groove (21) that fits with the cylinder seat (16), and there are multiple sets of grooves (21).

5. A dust removal device for a coal bunker discharge port according to claim 1, characterized in that, The outer surface of the scraper (8) is bonded with a rubber strip (9) that abuts against the inner wall of the hopper (2).

Citation Information

Patent Citations

  • Dust removal device for coal bunker

    CN217920476U