Comprehensive dredging device for underground coal mine sedimentation tank and underground coal mine sedimentation tank

Abstract

The utility model relates to the technical field of underground coal mine sedimentation tank dredging equipment, in particular to a comprehensive dredging device for an underground coal mine sedimentation tank and the underground coal mine sedimentation tank. The automatic dredging device for the underground settling pond of the coal mine comprises a transfer belt conveyor, a centrifugal machine, a mud scraper, a submersible mud pump and a mud pond. The solid phase separated by the centrifugal machine is discharged to the transfer belt conveyor and is output outwards through the transfer belt conveyor; the mud scraper comprises a tank body, a scraper assembly and an inclined plate sedimentation assembly, the tank body is provided with a feed port and a mud outlet, the scraper assembly and the inclined plate sedimentation assembly are arranged in the tank body, and the scraper assembly is used for scraping sediments in the tank body to the mud outlet; the mud pool is communicated with the mud outlet, and the submersible mud pump is arranged in the mud pool and conveys sediment in the mud pool into the centrifugal machine. The inclined plate sedimentation assembly can improve the sedimentation rate of fine particles in ore pulp. The mud scraper, the centrifugal machine, the mud pool, the submersible mud pump and the transfer belt conveyor are matched, and automatic sediment treatment can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine underground sedimentation tank clearing equipment, in particular to a coal mine underground sedimentation tank comprehensive silt clearing device and a coal mine underground sedimentation tank. Background Art

[0002] Mine flooding is one of the four major disasters in coal mining. The problem of clearing the silt deposited in trenches, sedimentation tanks and water tanks has always been a major problem that plagues coal mine safety production. Manual clearing is labor-intensive and workers have to work underground for a long time, which poses a great safety hazard. Therefore, how to reduce the frequency of water tank clearing, shorten the one-time clearing time of water tanks, improve the quality of water tank clearing and reduce manual clearing is a problem that needs to be solved urgently. Utility Model Content

[0003] (I) The problem to be solved by the utility model is that the silt deposited in existing underground trenches, sedimentation tanks and water tanks is mostly cleared by manual excavation, which is labor-intensive and poses a great safety hazard to workers working underground for a long time.

[0004] (II) Technical solution

[0005] In order to solve the above technical problems, the utility model provides a comprehensive desilting device for a coal mine underground sedimentation tank in one embodiment, including: a transfer belt conveyor, a centrifuge, a mud scraper, a submersible mud pump and a mud tank;

[0006] The solid phase separated by the centrifuge is discharged onto the transfer belt conveyor and output to the outside through the transfer belt conveyor;

[0007] The scraper comprises a tank body, a scraper assembly and an inclined plate sedimentation assembly. The tank body is provided with a feed inlet and a mud outlet. The scraper assembly and the inclined plate sedimentation assembly are arranged in the tank body. The scraper assembly is used to scrape the sediment in the tank body to the mud outlet.

[0008] The mud pool is communicated with the mud outlet, and the submersible mud pump is arranged in the mud pool and transports the sediment in the mud pool to the centrifuge.

[0009] Furthermore, the mud pool is arranged below the trough body, and the mud outlet is arranged on the bottom wall of the trough body.

[0010] Furthermore, the opening end of the mud pool is a bell mouth.

[0011] Furthermore, the submersible mud pump is provided with a stirring assembly for stirring the sediment.

[0012] Further, it also includes a system control cabinet;

[0013] The system control cabinet is electrically connected to the submersible slurry pump and controls the operating state of the submersible slurry pump.

[0014] Furthermore, a concentration detection component is also provided in the slurry pond for detecting the concentration in the slurry pond;

[0015] The concentration detection component is electrically connected to the system control cabinet, and the system control cabinet controls the operating state of the submersible slurry pump according to the information fed back by the concentration detection component.

[0016] Furthermore, the scraper assembly includes a driving component, a transmission component, and a scraper body;

[0017] The scraper body is slidably arranged in the trough body, the driving component is in transmission connection with the scraper body through the transmission component, and drives the scraper body to slide in the trough body.

[0018] Furthermore, the output end of the transfer belt conveyor is connected to the raw coal conveyor belt.

[0019] Furthermore, the centrifuge is installed above the transfer belt conveyor.

[0020] Another embodiment of the present invention also provides a coal mine underground sedimentation pond, including the automatic silt cleaning device for the coal mine underground sedimentation pond in any of the above embodiments.

[0021] Advantages of the present invention:

[0022] An automatic silt cleaning device for a coal mine underground sedimentation pond provided by the present invention includes: a transfer belt conveyor, a centrifuge, a sludge scraper, a submersible slurry pump, and a slurry pond; the solid phase separated by the centrifuge is discharged onto the transfer belt conveyor and output outward through the transfer belt conveyor; the sludge scraper includes a trough body, a scraper assembly, and an inclined plate sedimentation assembly, a feed port and a slurry outlet are arranged on the trough body, the scraper assembly and the inclined plate sedimentation assembly are arranged in the trough body, and the scraper assembly is used to scrape the sediment in the trough body to the slurry outlet; the slurry pond is communicated with the slurry outlet, the submersible slurry pump is arranged in the slurry pond, and conveys the sediment in the slurry pond to the centrifuge.

[0023] By arranging the inclined plate sedimentation assembly, the sedimentation rate of fine particulate matters in the ore pulp can be improved. Through the cooperation of the sludge scraper, the centrifuge, the slurry pond, the submersible slurry pump, and the transfer belt conveyor, automatic treatment of the sediment can be realized. Compared with the prior art, automatic silt cleaning of the sedimentation pond is achieved, the labor intensity of workers is reduced, and the problem of potential safety hazards in manual silt cleaning is solved. Description of the Drawings

[0024] To more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a schematic structural diagram of the comprehensive silt cleaning device for the sedimentation tank in the coal mine underground provided by the embodiment of the present utility model.

[0026] Icon: 11 - Transfer belt conveyor; 12 - Raw coal belt conveyor; 13 - Scraper; 131 - Tank body; 132 - Inclined plate sedimentation component; 133 - Feed inlet; 134 - Mud outlet; 14 - Mud pool; 15 - Submersible mud pump; 151 - Stirring component; 16 - System control cabinet; 17 - Concentration detection component; 18 - Centrifuge. Specific embodiments

[0027] The following will clearly and completely describe the technical solutions of the present utility model in combination with the embodiments. Obviously, the described embodiments are some embodiments of the present utility model, rather than 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 efforts belong to the scope of protection of the present utility model.

[0028] As Figure 1 shown, an embodiment of the present utility model provides a comprehensive silt cleaning device for the sedimentation tank in the coal mine underground, including: a transfer belt conveyor 11, a centrifuge 18, a scraper 13, a submersible mud pump 15 and a mud pool 14; the solid phase separated by the centrifuge 18 is discharged onto the transfer belt conveyor 11 and output outward through the transfer belt conveyor 11; the scraper 13 includes a tank body 131, a scraper component and an inclined plate sedimentation component 132. A feed inlet 133 and a mud outlet 134 are provided on the tank body 131. The scraper component and the inclined plate sedimentation component 132 are arranged in the tank body 131. The scraper component is used to scrape the sediment in the tank body 131 to the mud outlet 134; the mud pool 14 is communicated with the mud outlet 134. The submersible mud pump 15 is arranged in the mud pool 14 and conveys the sediment in the mud pool 14 into the centrifuge 18.

[0029] The dredging device provided in this embodiment is installed in the sedimentation tank in the coal mine underground, and is used for automatically dredging the sedimentation tank, reducing the labor intensity of workers. Specifically, the dredging device includes a transfer belt conveyor 11, a centrifuge 18, a sludge scraper 13, a submersible slurry pump 15 and a slurry pit 14. Among them, the centrifuge 18 is used to separate the solid phase and the liquid phase. Correspondingly, the centrifuge 18 has a solid phase outlet and a liquid phase outlet. The solid phase separated by the centrifuge 18 is discharged from the solid phase outlet and discharged onto the transfer belt conveyor 11 for outward transportation through the transfer belt conveyor 11. The sludge scraper 13 includes a tank body 131, a scraper assembly and an inclined plate sedimentation assembly 132. The tank body 131 has a feed inlet 133 and a slurry outlet 134. The ore pulp enters the tank body 131 through the feed inlet 133. The inclined plate sedimentation assembly 132 arranged in the tank body 131 can promote the sedimentation of fine solid particles in the ore pulp to the bottom wall of the tank body 131. The scraper assembly is arranged in the tank body 131 and is used to scrape the sediment deposited on the bottom wall of the tank body 131 to the above-mentioned slurry outlet 134. The slurry outlet 134 is communicated with the slurry pit 14, and the sediment is discharged into the slurry pit 14 through the slurry outlet 134. A submersible slurry pump 15 is arranged in the slurry pit 14, and the discharge outlet of the submersible slurry pump 15 is communicated with the material inlet of the centrifuge 18. Under the action of the submersible slurry pump 15, the sediment is transported to the centrifuge 18 for centrifugation to realize solid-liquid separation.

[0030] The comprehensive dredging device for the sedimentation tank in the coal mine underground provided in this embodiment can improve the sedimentation rate of fine particulate matter in the ore pulp by setting the inclined plate sedimentation assembly 132. Through the cooperation of the sludge scraper 13, the centrifuge 18, the slurry pit 14, the submersible slurry pump 15 and the transfer belt conveyor 11, the automatic treatment of sediment can be realized. Compared with the prior art, the automatic dredging of the sedimentation tank is realized, the labor intensity of workers is reduced, and the problem of potential safety hazards in manual dredging is solved.

[0031] The comprehensive dredging device for the sedimentation tank in the coal mine underground provided in the embodiment of the present utility model, as Figure 1 shown, the slurry pit 14 is arranged below the tank body 131, and the slurry outlet 134 is arranged on the bottom wall of the tank body 131.

[0032] Preferably, in this embodiment, the slurry outlet 134 is located on the bottom wall of the tank body 131 to facilitate the discharge of sediment. The slurry pit 14 has a trough-shaped structure with one end open. In order to facilitate the sediment to enter the slurry pit 14 from the slurry outlet 134, the open end of the slurry pit 14 is located directly below the slurry outlet 134.

[0033] Optionally, in this embodiment, the mud outlet 134 can also be opened on the side wall of the tank body 131. In this way, sediment can be introduced into the mud pool 14 by setting a pump structure or a chute structure. When the sediment in the mud pool 14 accumulates to a certain concentration, it is then transported by the submersible slurry pump 15 to the centrifuge 18 for centrifugation to separate the solid phase and the liquid phase in the sediment.

[0034] The comprehensive sediment cleaning device for coal mine underground sedimentation tanks provided by the embodiment of the present utility model, as Figure 1 shown, the open end of the mud pool 14 is a flared opening.

[0035] Preferably, in this embodiment, the open end of the mud pool 14 is a flared opening with one end large and one end small to facilitate the sediment to enter the mud pool 14.

[0036] The comprehensive sediment cleaning device for coal mine underground sedimentation tanks provided by the embodiment of the present utility model, as Figure 1 shown, the submersible slurry pump 15 is configured with a stirring assembly 151 for stirring the sediment.

[0037] Preferably, in this embodiment, the submersible slurry pump 15 is configured with a stirring assembly 151, and the stirring assembly 151 is used to stir the sediment in the mud pool 14 to prevent the submersible slurry pump 15 from being blocked during use.

[0038] Among them, the stirring assembly 151 can include a stirring paddle and a driving machine arranged on the submersible pump. The driving machine drives the stirring paddle to rotate, thereby stirring the sediment in the mud pool 14. Or, the stirring paddle can also be integrally formed inside the submersible slurry pump 15, which can also achieve the purpose of stirring the sediment in the mud pool 14 through the stirring paddle.

[0039] The comprehensive sediment cleaning device for coal mine underground sedimentation tanks provided by the embodiment of the present utility model, as Figure 1 shown, further includes a system control cabinet 16; the system control cabinet 16 is electrically connected to the submersible slurry pump 15 and controls the operating state of the submersible slurry pump 15.

[0040] In this embodiment, the comprehensive sediment cleaning device for coal mine underground sedimentation tanks further includes a system control cabinet 16. The system control cabinet 16 is electrically connected to the submersible slurry pump 15 and is used to control the start and stop of the submersible slurry pump 15 to save resources and at the same time extend the service life of the submersible slurry pump 15. During use, when the sediment in the mud pool 14 reaches the preset concentration, the submersible slurry pump 15 is controlled to start and transport the sediment into the centrifuge 18 through the system control cabinet 16.

[0041] The comprehensive sediment cleaning device for coal mine underground sedimentation tanks provided by the embodiment of the present utility model, as Figure 1As shown, a concentration detection component 17 is further provided in the mud pit 14 for detecting the concentration in the mud pit 14; the concentration detection component 17 is electrically connected to the system control cabinet 16, and the system control cabinet 16 controls the operating state of the submersible mud pump 15 according to the information fed back by the concentration detection component 17.

[0042] Preferably, in this embodiment, a concentration detection component 17 for detecting the concentration of sediment in the mud pit 14 is provided above the submersible mud pump 15 in the mud pit 14. The concentration detection component 17 can adopt a common concentration detector on the market, which is a conventional technology in this field, so it will not be elaborated here. The concentration detection component 17 is electrically connected to the system control cabinet 16, and the system control cabinet 16 controls the operating state of the submersible mud pump 15 according to the information fed back by the concentration detection component 17. That is, during use, the concentration detection component 17 detects the concentration of sediment in the mud pit 14. When the concentration of sediment in the mud pit 14 reaches a preset value, the system control cabinet 16 controls the submersible mud pump 15 to start. When the concentration of sediment in the mud pit 14 is lower than the preset value, the system control cabinet 16 controls the submersible mud pump 15 to close.

[0043] The comprehensive silt cleaning device for the coal mine underground sedimentation tank provided by the embodiment of the present invention, as Figure 1 shown, the scraper assembly includes a driving component, a transmission component and a scraper body; the scraper body is slidably arranged in the tank body 131, and the driving component is in transmission connection with the scraper body through the transmission component and drives the scraper body to slide in the tank body 131.

[0044] In this embodiment, the scraper assembly includes a driving component, a transmission component and a scraper body. The driving component includes a reduction motor, the transmission component includes structures such as a sprocket and a chain, and preferably a plurality of scraper bodies are provided. All the scraper bodies are fixed on the chain, and both sides in the length direction of the tank body 131 are provided with structures for restricting the sliding of the scraper body. During use, under the action of the driving component and the transmission component, the scraper body can scrape the sediment in the tank body 131 to the mud outlet 134. Optionally, in this embodiment, the transmission component can also adopt structures such as a transmission belt and a belt pulley.

[0045] The comprehensive silt cleaning device for the coal mine underground sedimentation tank provided by the embodiment of the present invention, as Figure 1 shown, the output end of the transfer belt conveyor 11 is connected to the raw coal conveyor belt.

[0046] In this embodiment, a raw coal conveyor belt for transporting raw coal is provided underground in the coal mine. The end of the transfer belt conveyor 11 is connected to the raw coal conveyor belt, so that the solid phase separated by the centrifuge 18 can be transported to the raw coal belt 12 through the transfer belt conveyor 11 and transported out together with the raw coal on the raw coal belt 12.

[0047] The comprehensive silt cleaning device for sedimentation tanks in coal mines provided by the embodiments of the present utility model is as follows Figure 1 As shown, the centrifuge 18 is installed above the transfer belt conveyor 11.

[0048] Preferably, in this embodiment, the centrifuge 18 is installed above the transfer belt conveyor 11. In this way, the solid phase separated by the centrifuge 18 can directly fall onto the transfer belt conveyor 11, without the need to set up structures such as chutes or transfer belts for cooperation, which has the advantages of cost reduction and efficiency improvement.

[0049] Another embodiment of the present utility model also provides a sedimentation tank in a coal mine, including the comprehensive silt cleaning device for sedimentation tanks in coal mines described in any of the above embodiments.

[0050] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0051] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the connection inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. In addition, in the description of the present utility model, unless otherwise stated, the meaning of "a plurality" is two or more.

[0052] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A comprehensive dredging device for underground sedimentation tanks in coal mines, characterized in that: include: A transfer belt conveyor (11), a centrifuge (18), a mud scraper (13), a submersible mud pump (15) and a mud pool (14); The solid phase separated by the centrifuge (18) is discharged onto the transfer belt conveyor (11), and output to the outside through the transfer belt conveyor (11); The scraper (13) comprises a tank body (131), a scraper assembly and an inclined plate sedimentation assembly (132); a feed inlet (133) and a mud outlet (134) are arranged on the tank body (131); the scraper assembly and the inclined plate sedimentation assembly (132) are arranged in the tank body (131); the scraper assembly is used to scrape sediment in the tank body (131) to the mud outlet (134); The mud pool (14) is in communication with the mud outlet (134), and the submersible mud pump (15) is disposed in the mud pool (14) and transports the sediment in the mud pool (14) to the centrifuge (18).

2. The comprehensive desilting device for underground sedimentation tanks in coal mines according to claim 1, characterized in that: The mud pool (14) is arranged below the tank body (131), and the mud outlet (134) is arranged on the bottom wall of the tank body (131).

3. The comprehensive desilting device for underground sedimentation tanks in coal mines according to claim 2, characterized in that: The opening end of the mud pool (14) is a bell mouth.

4. The comprehensive desilting device for underground sedimentation tanks in coal mines according to claim 1, characterized in that: The submersible mud pump (15) is provided with a stirring assembly (151) for stirring the sediment.

5. The comprehensive desilting device for underground sedimentation tanks in coal mines according to claim 1, characterized in that: Also includes a system control cabinet (16); The system control cabinet (16) is electrically connected to the submersible mud pump (15) and controls the operating state of the submersible mud pump (15).

6. The comprehensive desilting device for underground sedimentation tanks in coal mines according to claim 5, characterized in that: The mud pool (14) is also provided with a concentration detection component (17) for detecting the concentration in the mud pool (14); The concentration detection component (17) is electrically connected to the system control cabinet (16), and the system control cabinet (16) controls the operating state of the submersible mud pump (15) according to information fed back by the concentration detection component (17).

7. The comprehensive desilting device for underground sedimentation tanks in coal mines according to claim 1, characterized in that: The scraper assembly includes a driving assembly, a transmission assembly and a scraper body; The scraper body is slidably disposed in the trough body (131); the driving component is transmission-connected to the scraper body through the transmission component, and drives the scraper body to slide in the trough body (131).

8. The comprehensive desilting device for underground sedimentation tanks in coal mines according to claim 1, characterized in that: The output end of the transfer belt conveyor (11) is connected to the raw coal conveying belt conveyor.

9. The comprehensive desilting device for underground sedimentation tanks in coal mines according to claim 1, characterized in that: The centrifuge (18) is mounted above the transfer belt conveyor (11).

10. A coal mine underground sedimentation tank, characterized in that: It comprises the comprehensive dredging device for underground sedimentation tanks in coal mines as described in any one of claims 1 to 9.

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