Coal gangue powder bin for goaf surface subsidence treatment

By introducing a sealing and connecting component, a toggle component, and a heating and anti-sticking component into the coal gangue powder silo, the problems of silo outlet blockage and powder caking were solved, ensuring smooth discharge of coal gangue powder and silo stability.

CN223891648UActive Publication Date: 2026-02-10CHANGWU HUJIAHE WASTE DISPOSAL CO LTD
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Patent Information

Application Number
CN202520644239.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-02-10
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Existing coal gangue powder silos are prone to clogging when the discharge port is large, which prevents the coal gangue powder from being discharged normally. In addition, the powder is prone to caking inside the silo, affecting the flexibility and stability of use.

Method used

The design includes a capping connection component, a toggle component, and a heating anti-sticking component. The capping connection component is used to block the discharge pipe opening, the toggle component is used to toggle the powder to prevent squeezing and clogging, and the heating anti-sticking component reduces the moisture content of the powder by heating to prevent caking.

Benefits of technology

This allows for the smooth discharge of coal gangue powder, avoiding compression and blockage, reducing the risk of powder caking in the silo, and improving the flexibility and stability of the silo's use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coal gangue powder bin for goaf surface subsidence treatment, which relates to the technical field of coal gangue and comprises a reinforced concrete bin body, a discharge funnel is arranged at the bottom end of the reinforced concrete bin body, a discharge pipe is arranged at the bottom end of the discharge funnel, the discharge pipe is rectangular, and the discharge pipe is provided with a discharge port. The discharging pipe is provided with a sealing cover connecting assembly used for sealing a discharging opening of the discharging pipe; the reinforced concrete bin body is provided with a stirring assembly used for stirring and discharging coal gangue powder at the discharging hopper and the discharging pipe. The opening of the discharging pipe can be blocked through the arranged sealing cover connecting assembly, during discharging, coal gangue powder can be discharged from the interior of the stock bin only by opening the sealing cover connecting assembly, discharging of the coal gangue powder is facilitated, the coal gangue powder at the position of the discharging pipe can be stirred through the arranged stirring assembly, and the discharging efficiency of the coal gangue powder is improved. And the situation that the coal gangue powder in the stock bin cannot be discharged due to extrusion is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal gangue technical field, concretely is coal gangue powder bin for goaf surface subsidence treatment. BACKGROUND

[0002] In the mining process, the underground ore-bearing rock mass is continuously excavated, and a large number of goaf is formed in the underground mine. Due to the loss of support, the rock mass at the top of the goaf subsides under its own gravity, causing the ground and the buildings on the ground to crack, resulting in great economic losses and safety hazards. Goaf backfilling technology is an effective method for goaf treatment that has emerged in recent years. Its main means is to inject some filling materials into the mine to support the rock mass at the top of the goaf, thereby avoiding the collapse of the goaf surface. Gangue, as a natural filling material, is also a waste after ore processing. Using gangue as a filling material for goaf backfilling is an effective way to solve the problems of goaf subsidence and gangue storage. When gangue is used to backfill the goaf, a series of processing of the gangue is needed, the most basic of which is crushing and removing mud. The gangue powder after removing mud is stored in the bin and needs to be transported to the mixer by the conveyor belt from the bottom of the bin for mixing and pulping, and then pumped into the mine for filling.

[0003] According to the authorized Chinese patent with application number CN202420087737.0, a coal gangue powder bin for goaf surface subsidence treatment is disclosed, which includes a reinforced concrete bin body, a reinforced concrete structure beam is provided in the middle of the reinforced concrete bin body, and a heater is embedded in the upper layer of the reinforced concrete structure beam. The utility model has the characteristics of easy removal of hardened gangue powder, high stability of the bin structure, and small influence on construction. In addition, it also has the characteristics of not easy to harden, flexible use, and reasonable design. Although heating can avoid hardening, if the discharge port is large, it is not easy to fall onto the conveyor belt, and if the outlet is small, it may be squeezed and blocked, affecting the normal discharge of the coal gangue powder. UTILITY MODEL CONTENT

[0004] To solve the defects in the prior art, the utility model provides a coal gangue powder bin for goaf surface subsidence treatment.

[0005] To solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model relates to a coal gangue powder bin for goaf surface subsidence treatment, including reinforced concrete bin body, the bottom of reinforced concrete bin body is equipped with the discharge hopper, the bottom of discharge hopper is equipped with the discharge pipe, the discharge pipe is equipped with rectangle, and the discharge pipe is equipped with the cover connection subassembly for plugging the discharge pipe discharge port, the reinforced concrete bin body is equipped with the poking subassembly for the coal gangue powder of poking and discharging of discharge hopper and discharge pipe, the inside of reinforced concrete bin body, discharge hopper and discharge pipe all are equipped with heating anti -adhesion subassembly.

[0007] As a preferred technical scheme of the utility model, the cover connection subassembly includes two side plates arranged at the bottom of the discharge pipe in L shape, a plurality of guide rollers are arranged between the two side plates, and the length of the guide rollers is greater than the width of the discharge pipe.

[0008] As a preferred technical scheme of the utility model, the cover connection subassembly further includes an extension connecting plate arranged at one end of the side plate, and a reinforcing rib plate connected with the outer wall of the discharge pipe is arranged at the top end of the extension connecting plate.

[0009] As a preferred technical scheme of the utility model, a mounting plate is arranged between the two side plates, a hydraulic cylinder is mounted on the mounting plate, and the output shaft of the hydraulic cylinder is connected with a cover for sealing the opening at the bottom of the discharge pipe.

[0010] As a preferred technical scheme of the utility model, the poking subassembly includes a rotating shaft arranged in the discharge hopper, a plurality of equal-length poking rods are arranged on the outer wall of the rotating shaft, one end of the rotating shaft extends to the reinforced concrete bin body, and a speed reducer for driving the rotating shaft to rotate is mounted on the reinforced concrete bin body.

[0011] As a preferred technical scheme of the utility model, the heating anti-adhesion subassembly includes an insulating sleeve embedded in the reinforced concrete bin body, the discharge hopper and the discharge pipe, and heating wires are arranged in the insulating sleeve.

[0012] As a preferred technical scheme of the utility model, a reinforced cement support is arranged at the bottom of the inner cavity of the reinforced concrete bin body, a discharge channel is formed in the reinforced concrete bin body, an installation channel is arranged at the bottom of the discharge channel, and a conveyor belt extending out of the installation channel is mounted in the installation channel.

[0013] The utility model has the advantages of:

[0014] The coal gangue powder bin for goaf surface subsidence treatment has the cover connecting assembly arranged, so that the opening of the discharge pipe can be blocked, when discharging, the coal gangue powder can be discharged from the bin by only opening the cover connecting assembly, the coal gangue powder at the discharge pipe can be stirred by the stirring assembly arranged, so that the coal gangue powder in the bin cannot be discharged due to extrusion, the bin can be heated by the heating anti-bonding assembly arranged, so that the moisture content of the coal gangue powder on the surface of the reinforced concrete structure beam is reduced, and the coal gangue powder is not easy to be bonded on the surface of the reinforced concrete bin body, the discharge funnel and the discharge pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application. In the drawings:

[0016] Figure 1 is a structural schematic view of a coal gangue powder bin for goaf surface subsidence treatment of the present application;

[0017] Figure 2 is a sectional view of a coal gangue powder bin for goaf surface subsidence treatment of the present application;

[0018] Figure 3 is a coal gangue powder bin for goaf surface subsidence treatment of the present application Figure 2 is a partial enlarged sectional view.

[0019] In the drawings: 1, reinforced concrete bin body; 2, discharge funnel; 3, discharge pipe; 4, cover connecting assembly; 401, side plate; 402, guide roller; 403, extension connecting plate; 404, reinforcing rib plate; 406, hydraulic cylinder; 407, cover; 5, stirring assembly; 501, rotating shaft; 502, stirring rod; 503, speed reducer motor; 6, heating anti-bonding assembly; 601, insulating sleeve; 602, heating wire; 7, reinforced cement support; 8, discharge channel; 9, installation channel; 10, conveying belt. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present application are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and do not limit the present application.

[0021] Embodiment: as Figure 1 , Figure 2 and Figure 3As shown, the utility model discloses a coal gangue powder bin for goaf surface subsidence treatment, including reinforced concrete bin body 1, the bottom of reinforced concrete bin body 1 is equipped with discharge hopper 2, the bottom of discharge hopper 2 is equipped with discharge pipe 3, discharge pipe 3 is equipped with rectangular, and discharge pipe 3 is equipped with the cover connection assembly 4 for plugging the discharge outlet of discharge pipe 3, the reinforced concrete bin body 1 is equipped with the poking assembly 5 for the coal gangue powder of discharge hopper 2 and discharge pipe 3 place is moved and is unloaded, the inside of reinforced concrete bin body 1, discharge hopper 2 and discharge pipe 3 all are equipped with heating anti -adhesion component 6, through the cover 407 connection assembly 4 that is equipped with, can plugging the opening of discharge pipe 3, when discharging, just need to open the cover 407 connection assembly 4, can the coal gangue powder from the discharge of bin interior, it is convenient to the coal gangue powder discharge, through the poking assembly 5 that is equipped with, can the coal gangue powder of discharge pipe 3 place is poked, avoids the coal gangue powder in the bin interior and cannot be unloaded and discharged due to extrusion, through the heating anti -adhesion component 6 that is equipped with, can heat the bin, heats when storing in bin, can reduce the moisture content of coal gangue powder on the surface of reinforced concrete structure beam, so that coal gangue powder is not easy to be cemented on the surface of reinforced concrete bin body 1, discharge hopper 2 and discharge pipe 3.

[0022] Wherein, the cover connection assembly 4 includes the two side plates 401 of L shape that are equipped in the bottom of discharge pipe 3, multiple guide rollers 402 are equipped between the two side plates 401, the length of guide roller 402 is greater than the width of discharge pipe 3, the cover connection assembly 4 also includes the extension connecting plate 403 of being equipped in the one end of side plate 401, the top end of extension connecting plate 403 is equipped with the reinforcing rib plate 404 connected with the outer wall of discharge pipe 3, the mounting plate 405 is equipped between the two side plates 401, the hydraulic cylinder 406 is installed on the mounting plate 405, the output shaft of hydraulic cylinder 406 is connected with the cover 407 for plugging the bottom opening of discharge pipe 3, when needing to discharge coal gangue powder, the output shaft of hydraulic cylinder 406 drives cover 407 movement, just can open cover 407 and discharge coal gangue powder, when not needing to discharge coal gangue powder, the output shaft of hydraulic cylinder 406 drives cover 407 movement, just can make cover 407 plugging the discharge outlet of discharge pipe 3, cover 407 can be equipped with sealing washer, ensure the sealing property, the setting of reinforcing rib plate 404 improves the stability of extension connecting plate 403, also improved the installation stability of hydraulic cylinder 406.

[0023] The actuating assembly 5 includes a rotating shaft 501 located inside the discharge hopper 2. The outer wall of the rotating shaft 501 is provided with a plurality of actuating rods 502 of equal length. One end of the rotating shaft 501 extends to the reinforced concrete silo body 1. A reduction motor 503 is installed on the reinforced concrete silo body 1 to drive the rotating shaft 501 to rotate. The output shaft of the reduction motor 503 drives the rotating shaft 501 to rotate, and the rotating shaft 501 drives the actuating rods 502 to rotate. The actuating rods 502 can loosen the coal gangue powder, making it easier to discharge the coal gangue powder.

[0024] The heating and anti-adhesion component 6 includes an insulating sleeve 601 embedded inside the reinforced concrete silo 1, the discharge funnel 2, and the discharge pipe 3. The insulating sleeve 601 is equipped with a heating wire 602, which can heat the inner wall of the reinforced concrete silo 1, the discharge funnel 2, and the discharge pipe 3. This can reduce the moisture content of the coal gangue powder on the surface of the reinforced concrete structural beam, making it less likely for the coal gangue powder to clump on the surface of the reinforced concrete silo 1, the discharge funnel 2, and the discharge pipe 3.

[0025] The reinforced concrete silo 1 has a reinforced concrete support 7 at the bottom of its inner cavity, a discharge channel 8 on its surface, an installation channel 9 at the bottom of the discharge channel 8, and a conveyor belt 10 extending out of the installation channel 9 to facilitate the discharge of coal gangue powder.

[0026] During operation, the coal gangue powder silo used for surface subsidence control in goaf areas can seal the opening of the discharge pipe 3 through the sealing cover 407 connecting component 4. When discharging, simply open the sealing cover 407 connecting component 4 to discharge the coal gangue powder from the inside of the silo, facilitating the discharge of the coal gangue powder. The agitating component 5 can agitate the coal gangue powder at the discharge pipe 3, preventing the coal gangue powder inside the silo from being unable to fall out due to compression. The heating and anti-sticking component 6 can heat the silo. Heating the silo while storing material can reduce the moisture content of the coal gangue powder on the surface of the reinforced concrete structural beam, making it less likely for the coal gangue powder to clump on the surface of the reinforced concrete silo body 1, the discharge funnel 2, and the discharge pipe 3.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A coal gangue powder silo for treating surface subsidence in goaf areas, comprising a reinforced concrete silo body (1), characterized in that, The bottom end of the reinforced concrete silo body (1) is provided with a discharge funnel (2), and the bottom end of the discharge funnel (2) is provided with a discharge pipe (3). The discharge pipe (3) is rectangular, and a capping connection assembly (4) for sealing the discharge port of the discharge pipe (3) is provided on the discharge pipe (3). The reinforced concrete silo body (1) is equipped with a prying component (5) for prying and feeding coal gangue powder at the discharge hopper (2) and discharge pipe (3); The interior of the reinforced concrete silo (1), the discharge funnel (2) and the discharge pipe (3) are all equipped with heating and anti-adhesion components (6).

2. The coal gangue powder silo for treating surface subsidence in goaf areas according to claim 1, characterized in that, The capping connection assembly (4) includes two L-shaped side plates (401) located at the bottom of the discharge pipe (3), and multiple guide rollers (402) are provided between the two side plates (401). The length of the guide rollers (402) is greater than the width of the discharge pipe (3).

3. A coal gangue powder silo for treating surface subsidence in goaf areas according to claim 2, characterized in that, The capping connection assembly (4) also includes an extension connecting plate (403) located at one end of the side plate (401), and the top of the extension connecting plate (403) is provided with a reinforcing rib (404) connected to the outer wall of the discharge pipe (3).

4. A coal gangue powder silo for treating surface subsidence in goaf areas according to claim 3, characterized in that, A mounting plate (405) is provided between the two side plates (401), and a hydraulic cylinder (406) is mounted on the mounting plate (405). The output shaft of the hydraulic cylinder (406) is connected to a cover (407) for sealing the bottom opening of the discharge pipe (3).

5. A coal gangue powder silo for treating surface subsidence in goaf areas according to claim 1, characterized in that, The actuation assembly (5) includes a rotating shaft (501) located inside the discharge hopper (2). The outer wall of the rotating shaft (501) is provided with a plurality of actuation rods (502) of equal length. One end of the rotating shaft (501) extends to the reinforced concrete silo body (1). A reduction motor (503) for driving the rotating shaft (501) to rotate is installed on the reinforced concrete silo body (1).

6. A coal gangue powder silo for treating surface subsidence in goaf areas according to claim 1, characterized in that, The heating and anti-adhesion component (6) includes an insulating sleeve (601) embedded inside the reinforced concrete silo (1), the discharge funnel (2) and the discharge pipe (3), and a heating wire (602) is provided inside the insulating sleeve (601).

7. A coal gangue powder silo for treating surface subsidence in goaf areas according to claim 1, characterized in that, The inner cavity of the reinforced concrete silo (1) is provided with a reinforced concrete support (7), and a discharge channel (8) is provided on the reinforced concrete silo (1). An installation channel (9) is provided at the bottom of the discharge channel (8), and a conveyor belt (10) extending out of the installation channel (9) is installed inside the installation channel (9).

Citation Information

Patent Citations

  • Coal gangue powder bin for goaf surface subsidence treatment

    CN222041470U