Drainage device for coal mining having filtering function

By introducing ground piles, filter screens, and water quality monitoring devices into the drainage system used in coal mines, the problems of unstable devices and environmental pollution have been solved. This has enabled stable installation, effective filtration, and water quality monitoring, ensuring the safety and environmental protection of the underground working environment.

WO2026031020A1PCT designated stage Publication Date: 2026-02-12LIUPANSHUI NORMAL UNIV
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Patent Information

Application Number
PCT/CN2024/110530
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2026-02-12

AI Technical Summary

Technical Problem

Existing coal mine drainage systems are not easy to install securely, are prone to shaking, and lack filtration capabilities, resulting in the direct discharge of impurities from mine water, polluting the environment, and making it impossible to monitor whether the water quality meets discharge standards.

Method used

A drainage device was designed, comprising components such as ground piles, a base plate, a cinder filter screen, an activated carbon filter layer, a HEPA filter layer, and a water quality monitoring device. The ground piles provide fixation, the shock-absorbing layer enhances stability, the cinder filter screen provides initial filtration, the activated carbon and HEPA filter layers further purify the water, and the water quality monitoring device ensures that the drainage meets standards.

Benefits of technology

The device achieves stable installation, avoids shaking, effectively filters impurities, ensures clean water quality, and can monitor water quality in real time to prevent environmental pollution and ensure safe production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN2024110530_12022026_PF_FP_ABST
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Abstract

A drainage device for coal mining having a filtering function, comprising foundation piles (1), a bottom plate (2), a coal ash filtering screen (3), a water inlet pipe (4), a housing (5), a rotating shaft (6), a motor (7), a motor casing (8), a water quality monitoring device (9), an impeller (10), an activated carbon filtering layer (11), an HEPA filtering layer (12), a bleeder plug (13), a door body (14), a control panel (15), an electric air control valve (16), heat dissipation fins (17), a vertical check valve (18), and a water outlet pipe (19). The housing is mounted at the top end of the bottom plate, and the door body is arranged on one side of the housing; the control panel is mounted at an upper part of one side of the door body; the water inlet pipe is mounted at a lower part of one side of the housing; the electric air control valve is mounted on the water inlet pipe; the water outlet pipe is mounted at an upper part of another side of the housing, and the bleeder plug is arranged at a lower part of the side of the housing distant from the water inlet pipe. In the drainage device for coal mining having a filtering function, the bottom plate is mounted, and the foundation piles are evenly fixed at the edges of the bottom plate, so as to facilitate fixed mounting.
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Description

Coal mining drainage device with filtering function TECHNICAL FIELD

[0001] The present application relates to the technical field of drainage devices, in particular to a coal mining drainage device with filtering function. BACKGROUND

[0002] With the continuous development of society, people's living standards are rapidly improving, and at the same time of development, coal mining is also developing rapidly. In coal mine construction and production, water from various sources continuously flows into the mine, and mine water accumulates in the roadway, which not only affects production, but also threatens the health and safety of underground workers. Therefore, the task of mine drainage equipment is to timely discharge the mine water to the ground to create a good working environment for underground production and ensure the safe work of underground workers and the good operation of mechanical and electrical equipment.

[0003] The current coal mining drainage device is not convenient to fix and install, and is prone to sway and tilt during the drainage process. In addition, such devices do not have filtering function, and the water in the mine can easily mix with insoluble solid phase such as silt, coal slime, coal gangue, coal cinder, fiber and the like, which will pollute the environment if directly discharged. In addition, such devices also do not have water quality monitoring device, which cannot determine whether the extracted water meets the discharge standard.

[0004] At present, there is an urgent need for a drainage device that can filter out impurities in coal mine wastewater, which is convenient to fix and install and has water quality monitoring function. Therefore, there is an urgent need for a coal mining drainage device with filtering function to meet people's needs.

[0005] SUMMARY

[0006] The present application aims to provide a coal mining drainage device with filtering function to solve the problem of the existing device without filtering function in the background art.

[0007] In order to achieve the above object, the present application provides the following technical scheme: a coal mine exploitation drainage device with filtering function, comprising a ground pile, a bottom plate, a cinder filter screen, a water inlet pipe, a shell, a rotating shaft, a motor, a motor box, a water quality monitoring device, an impeller, an activated carbon filter layer, a HEPA filter layer, a vent plug, a door body, a control panel, an electric air control valve, a heat dissipation fin, a vertical check valve and a water outlet pipe, the top end of the bottom plate is provided with the shell, one side of the shell is provided with the door body, the top end of one side of the door body is provided with the control panel, the bottom end of one side of the shell is provided with the water inlet pipe, the water inlet pipe is provided with the electric air control valve, the top end of the other side of the shell is provided with the water outlet pipe, the water outlet pipe is provided with the vertical check valve, the top end of the shell is provided with the motor box, the inside of the motor box is provided with the motor, the output end of the motor is provided with the rotating shaft, the bottom end of the rotating shaft extends to the inside of the shell through the top end of the shell, the rotating shaft in the shell is provided with the impeller, the inside of the shell below the impeller is provided with the activated carbon filter layer, the inside of the shell below the activated carbon filter layer is provided with the HEPA filter layer, and the bottom end of the shell away from the water inlet pipe is provided with the vent plug.

[0008] Preferably, the bottom plate is provided with the ground pile at four corners, and the ground pile is provided with barbs.

[0009] Preferably, the door body is provided with a rubber sealing gasket at the joint with the shell, the door body is provided with an observation window at the central position, the door body is provided with a handle at one side of the observation window, the handle is provided with a rubber sleeve, and the rubber sleeve is provided with protrusions.

[0010] Preferably, the water inlet pipe is provided with the cinder filter screen at the joint with the shell.

[0011] Preferably, the motor box is provided with the heat dissipation fin.

[0012] Preferably, the water outlet pipe is provided with the water quality monitoring device.

[0013] Compared with the prior art, the coal mine exploitation drainage device with the filtering function has the bottom plate, the ground piles are uniformly fixed at the edges of the bottom plate, so that the installation is convenient, the shock-absorbing layer is arranged in the bottom plate, so that the shock-absorbing effect is achieved during drainage, the shaking is avoided, the danger is caused, the coal cinder filter screen, the activated carbon filter layer and the HEPA filter layer are arranged, so that the sewage under the mine is conveniently filtered layer by layer when the sewage is pumped, the cleanliness of the discharged water is ensured, the environment is avoided from being polluted, the motor, the electric air control valve, the rotating shaft and the impeller are arranged, so that the motor drives the impeller to rotate with the shaft, the water in the impeller is also driven to rotate by the blades, under the action of the centrifugal force, the water flows from the inlet to the outlet of the impeller, so that the automatic drainage is realized, the water quality monitoring device is arranged, so that the discharged water is conveniently monitored, whether the discharged water meets the discharge standard, and the use of the device is beneficial. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a structural cross-sectional view of the present application;

[0015] Fig. 2 is a front view of the present application.

[0016] In the figure: 1, ground pile; 2, bottom plate; 3, coal cinder filter screen; 4, water inlet pipe; 5, shell; 6, rotating shaft; 7, motor; 8, motor box; 9, water quality monitoring device; 10, impeller; 11, activated carbon filter layer; 12, HEPA filter layer; 13, emptying plug; 14, door body; 15, control panel; 16, electric air control valve; 17, heat dissipation fin; 18, vertical check valve; 19, water outlet pipe. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0018] Referring to Figures 1 and 2, the present application provides a technical solution: a coal mining drainage device with filtering function, comprising ground pile 1, bottom plate 2, coal cinder filter screen 3, water inlet pipe 4, shell 5, rotating shaft 6, motor 7, motor box 8, water quality monitoring device 9, impeller 10, activated carbon filter layer 11, HEPA filter layer 12, emptying plug 13, door body 14, control panel 15, electric air control valve 16, heat dissipation fin 17, vertical check valve 18 and water outlet pipe 19, the top end of the bottom plate 2 is provided with the shell 5, the four corners of the bottom plate 2 are provided with the ground pile 1, and the ground pile 1 is uniformly provided with barbs, the bottom end of the inside of the bottom plate 2 is provided with a shock-absorbing layer to ensure the stability of the device during work, facilitate insertion into a more in-depth fixed more firmly, and the side of the shell 5 is provided with the door body 14, the connection between the door body 14 and the shell 5 is provided with a rubber sealing gasket, and the central position of one side of the door body 14 is provided with an observation window, and the door body 14 on one side of the observation window is provided with a handle, the handle is provided with a rubber sleeve, and the outer side of the rubber sleeve is uniformly provided with a protrusion, which facilitates observation of the internal situation while ensuring airtightness, and the handle facilitates opening and closing of the door body 14, the top end of one side of the door body 14 is provided with the control panel 15, the bottom end of one side of the shell 5 is provided with the water inlet pipe 4, the connection between the water inlet pipe 4 and the shell 5 is provided with the coal cinder filter screen 3, which facilitates preliminary filtration of coal cinder impurities, the water inlet pipe 4 is provided with the electric air control valve 16, the top end of the other side of the shell 5 is provided with the water outlet pipe 19, the water outlet pipe 19 is provided with the water quality monitoring device 9, which facilitates monitoring of whether the water quality meets the discharge standard, and the water outlet pipe 19 is provided with the vertical check valve 18, the top end of the shell 5 is provided with the motor box 8, the outer side of the motor box 8 is uniformly provided with the heat dissipation fin 17, which facilitates ventilation and heat dissipation, and the inside of the motor box 8 is provided with the motor 7, the output end of the motor 7 is provided with the rotating shaft 6, and the bottom end of the rotating shaft 6 extends through the top end of the shell 5 to the inside of the shell 5, the rotating shaft 6 in the inside of the shell 5 is provided with the impeller 10, the inside of the shell 5 below the impeller 10 is provided with the activated carbon filter layer 11, the inside of the shell 5 below the activated carbon filter layer 11 is provided with the HEPA filter layer 12, and the bottom end of the side of the shell 5 away from the water inlet pipe 4 is provided with the emptying plug 13.

[0019] Working principle: when in use, first fix the device on the mine through the ground stake 1 on the bottom plate 2, the barb on the ground stake 1 facilitates insertion deeper, fixation is more firm, then inject a part of water into the shell 5, then start the motor 7 and the electric air control valve 16, drive the rotating shaft 6 to rotate, the impeller 10 rotates with the shaft, the water in the impeller 10 is also driven to rotate by the blade, under the action of centrifugal force, the water flows from the inlet to the outlet, in this process, the kinetic energy and the force energy of the water are both improved, then is delivered out along the water outlet pipe 19, at this time, the water inlet pipe 4 forms a vacuum due to the water discharge, the water in the mine is sucked into the water inlet pipe 4 under the action of atmospheric pressure, the impeller 10 rotates continuously, the drainage is carried out continuously, the sewage in the mine is filtered by the coal dreg filter screen 3, the activated carbon filter layer 11 and the HEPA filter layer 12 in turn, ensure the cleanliness of the discharged water, avoid pollution of the environment, the water quality monitoring device 9 on the water outlet pipe 19 monitors the water, whether it meets the discharge standard, is conducive to the use of the device.

[0020] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coal mine drainage device with filtering function for coal mining, comprising a bottom plate (2), a shell (5), a motor (7) and an activated carbon filter layer (11), characterized in that: The top end of the bottom plate (2) is provided with a shell (5), and one side of the shell (5) is provided with a door body (14). The top end of one side of the door body (14) is provided with a control panel (15). The bottom end of one side of the shell (5) is provided with a water inlet pipe (4). The water inlet pipe (4) is provided with an electric air control valve (16). The top end of the other side of the shell (5) is provided with a water outlet pipe (19), and the water outlet pipe (19) is provided with a vertical check valve (18). The top end of the shell (5) is provided with a motor box (8), and the inside of the motor box (8) is provided with a motor (7). The output end of the motor (7) is provided with a rotating shaft (6), and the bottom end of the rotating shaft (6) extends through the top end of the shell (5) to the inside of the shell (5). The rotating shaft (6) inside the shell (5) is provided with an impeller (10). The inside of the shell (5) below the impeller (10) is provided with an activated carbon filter layer (11). The inside of the shell (5) below the activated carbon filter layer (11) is provided with a HEPA filter layer (12). The bottom end of the shell (5) away from the water inlet pipe (4) is provided with a vent plug (13).

2. The coal mining drainage device with filtering function according to claim 1, characterized in that: The bottom plate (2) is provided with a ground pile (1) at each of the four corners of the bottom plate (2), and the ground pile (1) is uniformly provided with barbs. The bottom end of the inside of the bottom plate (2) is provided with a shock-absorbing layer.

3. The coal mining drainage device with filtering function according to claim 1, characterized in that: The connection between the door body (14) and the shell (5) is provided with a rubber sealing gasket. The central position of one side of the door body (14) is provided with an observation window. The door body (14) on one side of the observation window is provided with a handle. The handle is provided with a rubber sleeve, and the outer side of the rubber sleeve is uniformly provided with protrusions.

4. The coal mining drainage device with filtering function according to claim 1, characterized in that: The connection between the water inlet pipe (4) and the shell (5) is provided with a cinder filter screen (3).

5. The coal mining drainage device with filtering function according to claim 1, characterized in that: The outer side of the motor box (8) is uniformly provided with heat dissipation fins (17).

6. The coal mining drainage device with filtering function according to claim 1, characterized in that: The water outlet pipe (19) is provided with a water quality monitoring device (9).

Citation Information

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