Layered landfill disposal device for coal gangue

By using the method of sprinkling water, introducing loess and jet exhaust air in the coal gangue landfill device, the problems of spontaneous combustion and air oxidation of coal gangue are solved, and safe landfill and environmental protection are achieved.

CN119114577AInactive Publication Date: 2024-12-13GENERAL PROSPECTING INSTITUTE OF CHINA NATIONAL ADMINISTRATION OF COAL GEOLOGY +1
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Patent Information

Application Number
CN202411427039.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2024-12-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the landfill process, coal gangue causes oxidation and spontaneous combustion due to internal voids and external air entering, which poses safety hazards and pollutes the environment.

Method used

A layered landfill treatment device for coal gangue is designed, including a sprinkler structure, a guide tube and a compact structure, which cools down by sprinkling, introduces loess to fill gaps, and jets to discharge air to prevent oxidation reactions.

Benefits of technology

Effectively prevent spontaneous combustion of coal gangue, reduce air content, inhibit oxidation reactions, and improve landfill safety and environmental protection effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a coal gangue layered landfill disposal device which comprises a track, a supporting plate is arranged on the track, a water tank, a soil tank and a coal gangue tank are fixed to the supporting plate, a first material guide pipe and a second material guide pipe are arranged on the lower side of the supporting plate, and the first material guide pipe and the second material guide pipe correspond to the soil tank and the coal gangue tank respectively. A water spraying structure is arranged on the lower side of the supporting plate, the water spraying structure corresponds to the water tank, a compaction structure is arranged on the supporting plate and comprises a mounting frame and a compression roller, a scraping structure and an air spraying structure are arranged on the mounting frame, and the scraping structure corresponds to the air spraying structure. According to the device, water can be sprinkled for cooling when coal gangue is landfilled, the coal gangue is prevented from heating due to friction in the landfilling and compacting process, and therefore spontaneous combustion of the coal gangue in the coal gangue landfilling process is prevented; the coal gangue and the loess can be filled at the same time, so that gaps among the coal gangue can be filled through the loess, and a good flame-retardant effect can be achieved through the loess.
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Description

Technical Field

[0001] The invention relates to the technical field of coal gangue landfill, in particular to a coal gangue layered landfill disposal device. Background Art

[0002] Gangue is the waste residue produced in the coal mining process, accounting for about 10% of coal production. Gangue discharged during coal mining and coal washing accumulates into gangue mountains, which are extremely harmful to the environment: occupying land, affecting ecology, and destroying landscape; leaching water from gangue mountains pollutes groundwater sources and rivers, endangering crops and aquaculture; due to the presence of iron sulfide and carbon-containing substances in gangue, it will spontaneously combust, emit a large amount of smoke and dust, seriously pollute the atmosphere, endanger human health, inhibit plant growth, and corrode building structures; some gangue mountains also have explosion hazards, posing a serious threat to mining safety. The more commonly used disposal methods for existing gangue are: The method is to compact the gangue in layers, cover each layer of gangue with a layer of loess, and compact each layer of loess, and finally cover the surface of the gangue with a layer of loess and compact it. However, although the surface of the gangue layer is compacted during landfill, there are a large number of gaps inside the gangue, so air may remain inside the gangue, or external air can easily enter the gangue, causing oxidation inside the gangue, which causes the gangue to heat up after landfill, leading to spontaneous combustion, which is prone to danger.

[0003] To this end, the present invention provides a coal gangue layered landfill disposal device. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a coal gangue layered landfill disposal device to solve the problems raised in the above-mentioned background technology. The present invention can spray water to cool down the coal gangue when landfilling the coal gangue, so as to prevent the coal gangue from heating up due to friction during the landfilling and compacting process, thereby preventing the coal gangue from spontaneously combusting during the landfilling and compacting process; the coal gangue and loess can be landfilled at the same time, so that the gaps between the coal gangue can be filled by the loess, and the loess can have a good flame retardant effect, and the coal gangue and loess can be landfilled separately to expand the scope of application of the device; the landfilled coal gangue can be scraped and compacted to facilitate the landfilling of the coal gangue; the air in the gaps in the coal gangue can be squeezed out to reduce the air content in the gaps in the coal gangue, which can better inhibit the oxidation reaction inside the coal gangue, thereby preventing the spontaneous combustion inside the coal gangue.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a coal gangue layered landfill disposal device, including a track, a support plate is installed on the track, a water tank, a soil box and a coal gangue box are fixed on the support plate, a first material guide pipe and a second material guide pipe are installed on the lower side of the support plate, the first material guide pipe and the second material guide pipe correspond to the soil box and the coal gangue box respectively, a sprinkler structure is installed on the lower side of the support plate, the sprinkler structure corresponds to the water tank, a compaction structure is installed on the support plate, the compaction structure includes a mounting frame and a pressure roller, a leveling structure and an air jet structure are installed on the mounting frame, and the leveling structure corresponds to the air jet structure.

[0006] Furthermore, a slider is fixed on the support plate, and the slider corresponds to the track.

[0007] Furthermore, the support plate is provided with a first material discharge port and a second material discharge port, the first material discharge port is connected with the first material guide pipe and the soil box, and the second material discharge port is connected with the second material guide pipe and the coal gangue box.

[0008] Furthermore, the first feed opening and the second feed opening are both funnel-shaped structures.

[0009] Furthermore, solenoid valves are fixed in the first material guiding pipe and the second material guiding pipe.

[0010] Furthermore, a water pump is fixed on the support plate, a water inlet pipe is fixed to the water inlet end of the water pump, a water outlet pipe is fixed to the water outlet end of the water pump, and one end of the water inlet pipe is located at the bottom of the water tank.

[0011] Furthermore, the watering structure includes a spray head, which is connected to one end of the water outlet pipe.

[0012] Furthermore, a plurality of mounting plates are fixed on the support plate, a hydraulic cylinder is fixed on the mounting plate, and an output end of the hydraulic cylinder is fixedly connected to the mounting frame.

[0013] Furthermore, the mounting frame is rotatably connected to the pressure roller, and the scraping structure includes a scraping plate, which is fixedly connected to the mounting frame.

[0014] Furthermore, the jet structure includes an air pipe, an air passage is provided in the scraping plate, an air outlet is provided at the bottom of the scraping plate, and the air passage is connected to the air outlet and the air pipe.

[0015] Beneficial effects of the present invention: The present invention provides a coal gangue layered landfill disposal device, comprising a support plate; a watering structure; a support plate; a first material guide pipe; a second material guide pipe; a compaction structure; and an air jet structure.

[0016] A sprinkler structure is installed on the lower side of the support plate, and water can be sprinkled to cool down the coal gangue when it is buried, so as to prevent the coal gangue from heating up due to friction during the landfill and compaction process, thereby preventing the coal gangue from spontaneously combusting during the landfill. A first material guide pipe and a second material guide pipe are installed on the lower side of the support plate, so that the coal gangue and loess can be buried at the same time, so that the gaps between the coal gangue can be filled with loess, and the loess can have a good flame retardant effect. The coal gangue and loess can also be buried separately to expand the scope of application of the device. A compaction structure is installed on the support plate, so that the buried coal gangue can be scraped and compacted, which is convenient for the landfill of the coal gangue. A jet structure is installed on the mounting frame, so that an antioxidant gas can be sprayed before flattening, so that the air in the gaps of the coal gangue can be squeezed out, reducing the air content in the gaps of the coal gangue, and can better inhibit the oxidation reaction inside the coal gangue, thereby preventing the spontaneous combustion inside the coal gangue. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall assembly three-dimensional structure of a coal gangue layered landfill disposal device of the present invention;

[0018] Figure 2 It is a schematic diagram of the overall assembly cross-sectional structure of a coal gangue layered landfill disposal device of the present invention;

[0019] Figure 3 It is a schematic diagram of the assembled three-dimensional structure of the first material guide pipe, the second material guide pipe and the support plate in a coal gangue layered landfill disposal device of the present invention;

[0020] Figure 4 It is a schematic diagram of the assembly cross-sectional structure of a water tank in a coal gangue layered landfill disposal device of the present invention;

[0021] Figure 5 It is a schematic diagram of the assembled three-dimensional structure of the mounting frame and the pressing roller in a coal gangue layered landfill disposal device of the present invention;

[0022] Figure 6 It is a schematic diagram of the assembly cross-sectional structure of a mounting frame and a pressing roller in a coal gangue layered landfill disposal device of the present invention;

[0023] In the figure: 1. track; 2. slider; 3. support plate; 4. water tank; 5. soil box; 6. coal gangue box; 7. first discharge port; 8. second discharge port; 9. first material guide pipe; 10. second material guide pipe; 11. water pump; 12. water inlet; 13. blocking block; 14. water inlet pipe; 15. water outlet pipe; 16. spray head; 17. solenoid valve; 18. hydraulic cylinder; 19. mounting plate; 20. mounting frame; 21. pressure roller; 22. scraper plate; 23. airway; 24. air pipe; 25. air outlet. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0025] See also Figures 1 to 6 The present invention provides a technical solution: a coal gangue layered landfill disposal device, comprising a track 1, a support plate 3 is installed on the track 1, a water tank 4, a soil box 5 and a coal gangue box 6 are fixed on the support plate 3, a first material guide pipe 9 and a second material guide pipe 10 are installed on the lower side of the support plate 3, the first material guide pipe 9 and the second material guide pipe 10 correspond to the soil box 5 and the coal gangue box 6 respectively, a sprinkler structure is installed on the lower side of the support plate 3, the sprinkler structure corresponds to the water tank 4, a compaction structure is installed on the support plate 3, the compaction structure includes a mounting frame 20 and a pressure roller 21, a scraping structure and an air jet structure are installed on the mounting frame 20, and the scraping structure corresponds to the air jet structure.

[0026] In this embodiment, a slider 2 is fixed on the support plate 3 , and the slider 2 corresponds to the track 1 .

[0027] Specifically, a track 1 can be laid above the landfill pit, and then the support plate 3 can be installed on the track 1 through the slider 2, so that the support plate 3 can slide on the track 1 to pour the coal gangue into various positions in the landfill pit.

[0028] A first discharge port 7 and a second discharge port 8 are provided on the support plate 3. The first discharge port 7 is connected to the first material guide pipe 9 and the soil box 5, and the second discharge port 8 is connected to the second material guide pipe 10 and the coal gangue box 6. The first discharge port 7 and the second discharge port 8 are both funnel-shaped structures, and solenoid valves 17 are fixed in the first material guide pipe 9 and the second material guide pipe 10.

[0029] Specifically, when landfilling is carried out, the two solenoid valves 17 can be started at the same time, so that loess enters the first material guide pipe 9 from the first discharge port 7 and then flows out of the first material guide pipe 9, and the coal gangue enters the second material guide pipe 10 from the second discharge port 8 and then flows out of the second material guide pipe 10. The mixing of loess and coal gangue can be controlled, so that the loess can fill the gaps between the coal gangue and prevent the coal gangue from spontaneous combustion.

[0030] It is also possible to use an external driving device, such as a vehicle head, to pull the support plate 3 to make reciprocating motion, and then alternately open the two solenoid valves 17, so as to achieve layered landfill of a layer of coal gangue and a layer of loess, thereby realizing multiple landfilling methods and expanding the scope of application of the device.

[0031] A water pump 11 is fixed on the support plate 3, a water inlet pipe 14 is fixed to the water inlet end of the water pump 11, a water outlet pipe 15 is fixed to the water outlet end of the water pump 11, one end of the water inlet pipe 14 is located at the bottom of the water tank 4, the sprinkler structure includes a sprinkler head 16, the sprinkler head 16 is connected to one end of the water outlet pipe 15, a water inlet 12 is opened at the top of the water tank 4, and a blocking block 13 is installed in the water inlet 12.

[0032] During landfilling, the water pump 11 can be started to draw water from the water tank 4 through the water inlet pipe 14, and then spray the water out through the water outlet pipe 15 and the spray head 16, so as to cool the coal gangue and prevent the coal gangue from heating up and spontaneously igniting due to friction.

[0033] A plurality of mounting plates 19 are fixed on the support plate 3, a hydraulic cylinder 18 is fixed on the mounting plate 19, an output end of the hydraulic cylinder 18 is fixedly connected to a mounting frame 20, the mounting frame 20 is rotatably connected to a pressure roller 21, the scraping structure comprises a scraping plate 22, the scraping plate 22 is fixedly connected to the mounting frame 20, the jet structure comprises an air pipe 24, an air duct 23 is provided in the scraping plate 22, an air outlet 25 is provided at the bottom of the scraping plate 22, and the air duct 23 is connected to the air outlet 25 and the air pipe 24.

[0034] Specifically, when landfilling is performed, the hydraulic cylinder 18 is started, so that the hydraulic cylinder 18 drives the mounting frame 20 to move downward, so that the pressing roller 21 contacts the coal gangue. As the support plate 3 moves, the pressing roller 21 rotates on the coal gangue to flatten the coal gangue.

[0035] Specifically, before compaction, the scraper plate 22 can flatten the accumulated gangue and loess, so that compaction can be facilitated, and antioxidant gas can be introduced through the air pipe 24, so that the antioxidant gas is blown out from the airway 23 and the air outlet 25, which can squeeze out the air in the gaps of the gangue, reduce the air content in the gaps of the gangue, and prevent the gangue from spontaneous combustion after landfill.

[0036] Working process: lay the track 1 above the landfill pit, then install the support plate 3 on the track 1 through the slider 2, then pour the coal gangue into the coal gangue box 6, pour the loess into the soil box 5, then open the block 13, fill the water tank 4 with water through the water inlet 12, start the water pump 11 and the solenoid valve 17, so that the spray head 16 sprays water, and at the same time, the loess enters the first guide pipe 9 from the first feed port 7, and then flows out from the first guide pipe 9, and the coal gangue enters the second guide pipe 10 from the second feed port 8, and then flows out from the second guide pipe 10, and then the work can be carried out. Landfill, and then start the hydraulic cylinder 18, so that the hydraulic cylinder 18 drives the mounting frame 20 to move downward, so that the pressure roller 21 contacts the coal gangue, and as the support plate 3 moves, the scraper plate 22 can scrape the accumulated coal gangue and loess flat, so that compaction can be convenient, and antioxidant gas can be introduced through the air pipe 24, so that the antioxidant gas is blown out from the airway 23 and the air outlet 25, which can squeeze out the air in the gaps of the coal gangue and reduce the air content in the gaps of the coal gangue. The pressure roller 21 rolls on the coal gangue to flatten the coal gangue.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A coal gangue layered landfill disposal device, comprising a track (1), characterized in that: A support plate (3) is installed on the track (1), a water tank (4), a soil box (5) and a gangue box (6) are fixed on the support plate (3), a first material guide pipe (9) and a second material guide pipe (10) are installed on the lower side of the support plate (3), the first material guide pipe (9) and the second material guide pipe (10) respectively correspond to the soil box (5) and the gangue box (6), a watering structure is installed on the lower side of the support plate (3), the watering structure corresponds to the water tank (4), a compaction structure is installed on the support plate (3), the compaction structure includes a mounting frame (20) and a pressure roller (21), a scraping structure and an air jet structure are installed on the mounting frame (20), and the scraping structure corresponds to the air jet structure.

2. The coal gangue layered landfill disposal device according to claim 1 is characterized by: A slider (2) is fixed on the support plate (3), and the slider (2) corresponds to the track (1).

3. The coal gangue layered landfill disposal device according to claim 1, characterized in that: The support plate (3) is provided with a first material discharge port (7) and a second material discharge port (8); the first material discharge port (7) is connected to a first material guide pipe (9) and a soil box (5); and the second material discharge port (8) is connected to a second material guide pipe (10) and a coal gangue box (6).

4. The coal gangue layered landfill disposal device according to claim 3 is characterized by: The first discharge opening (7) and the second discharge opening (8) are both funnel-shaped structures.

5. The coal gangue layered landfill disposal device according to claim 1, characterized in that: Solenoid valves (17) are fixed inside the first material guiding pipe (9) and the second material guiding pipe (10).

6. The coal gangue layered landfill disposal device according to claim 1, characterized in that: A water pump (11) is fixed on the support plate (3); a water inlet pipe (14) is fixed to the water inlet end of the water pump (11); a water outlet pipe (15) is fixed to the water outlet end of the water pump (11); and one end of the water inlet pipe (14) is located at the bottom of the water tank (4).

7. The coal gangue layered landfill disposal device according to claim 6, characterized in that: The watering structure comprises a spray head (16), and the spray head (16) is connected to one end of a water outlet pipe (15).

8. The coal gangue layered landfill disposal device according to claim 1, characterized in that: A plurality of mounting plates (19) are fixed on the support plate (3), a hydraulic cylinder (18) is fixed on the mounting plate (19), and an output end of the hydraulic cylinder (18) is fixedly connected to a mounting frame (20).

9. The coal gangue layered landfill disposal device according to claim 1, characterized in that: The mounting frame (20) is rotatably connected to the pressure roller (21), and the scraping structure comprises a scraping plate (22), which is fixedly connected to the mounting frame (20).

10. The coal gangue layered landfill disposal device according to claim 9, characterized in that: The jet structure comprises an air pipe (24), an air passage (23) is provided in the scraping plate (22), an air outlet (25) is provided at the bottom of the scraping plate (22), and the air passage (23) is connected to the air outlet (25) and the air pipe (24).

Citation Information

Patent Citations

  • Gangue slope spontaneous combustion treatment reinforcing equipment and spontaneous combustion treatment method

    CN116549884A

  • Layered landfill treatment method for coal gangue

    CN117299735A

  • Collapsible loess foundation reinforcing and layered backfilling and tamping equipment and method

    CN117488764A

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    CN117884246A

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    CN118030161A