Coal mine sewage and clean water drainage device

By using a water suction pool connected to internal and external water tanks and installing gate valves in the coal mine drainage system, combined with the layout of vertical and inclined roadways, the problems of separating the discharge of clean water and sewage and dredging were solved, reducing the number of equipment and construction difficulty.

CN224315038UActive Publication Date: 2026-06-02HUAINAN MINING IND GRP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUAINAN MINING IND GRP
Filing Date
2025-05-16
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In existing coal mine drainage systems, it is difficult to achieve the requirements of separate discharge of clean water and sewage and dredging, and the number of equipment required is large, making construction difficult.

Method used

The system connects the suction tank to the inner and outer water tanks, installs gate valves, and divides the suction tank into multiple sub-tanks. Combined with vertical and inclined tunnel layout, it reduces the number of equipment and achieves the separate discharge of clean water and sewage as well as the dredging requirements.

Benefits of technology

It achieves separate discharge of clean water and wastewater, reduces equipment purchase and construction difficulty, and simplifies the construction process.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224315038U_ABST
    Figure CN224315038U_ABST
Patent Text Reader

Abstract

The utility model discloses a coal mine sewage, clear water drainage device, including the water suction pool of being located in the roadway, clear water storehouse, sewage storehouse, and the sewage storehouse includes the inner water storehouse and outer water storehouse, and the water suction pool is connected with clear water storehouse, inner water storehouse and outer water storehouse respectively, and the connecting place of water suction pool and clear water storehouse, inner water storehouse and outer water storehouse all are equipped with the gate valve. In the utility model, the inner water storehouse, outer water storehouse, clear water storehouse adopt the water suction pool connection, do not adopt the traditional water distribution lane, water suction well any longer, and set up the gate valve at its connecting place, can satisfy the demand of clear water, sewage separate discharge and desilting, and can achieve that drainage pump is as standby for each other, has reduced the purchase installation of equipment, can also avoid the construction difficult, the problem of difficult cleaning when using water distribution lane water suction well.
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Description

Technical Field

[0001] This utility model relates to the field of underground water tank technology, and more specifically to a coal mine wastewater and clean water drainage device. Background Technology

[0002] According to data provided by the mine, the wastewater inflow and clean water discharge during production at the No. 5 coal seam of Selian No. 2 Mine were both substantial, exceeding 50 m³ / h. 3 / h; and the mine requires that there be both a sewage tank and a clean water tank, and that sewage and clean water be discharged separately.

[0003] According to relevant regulations and dredging requirements, the sewage drainage system needs to be equipped with a pump house, internal and external water tanks, water distribution tunnels, and suction wells, and 6 water pumps should be installed, with 2 in use, 2 on standby, and 2 under maintenance. The clean water drainage system needs to be equipped with a pump house, clean water tank, and suction wells. The clean water tank needs to be dredged during the period when no mined-out water is discharged, and 3 water pumps should be installed, with 1 in use, 1 on standby, and 1 under maintenance. That is, if the sewage and clean water drainage systems are arranged separately, at least 9 water pumps need to be installed.

[0004] The problem is that the entire drainage system requires a lot of drainage equipment, and the mining construction project is large and difficult to carry out. Utility Model Content

[0005] The technical problem to be solved by this utility model is how to meet the requirements of separate discharge of clean water and sewage and dredging while reducing the installation of drainage equipment.

[0006] This utility model solves the above-mentioned technical problems through the following technical means: a coal mine sewage and clean water drainage device, including a water suction pool, a clean water tank and a sewage tank located in the roadway, the sewage tank including an inner water tank and an outer water tank, the water suction pool being connected to the clean water tank, the inner water tank and the outer water tank respectively, and a gate valve being provided at the connection between the water suction pool and the clean water tank, the inner water tank and the outer water tank.

[0007] As a preferred technical solution, the water intake pool is equipped with at least two gate walls and is divided into at least three sub-pools.

[0008] As a preferred technical solution, each sub-pool is equipped with two water pumps.

[0009] As a preferred technical solution, the tunnels include the main transport tunnel and tunnels 1, 2, and 3 connected to the main transport tunnel.

[0010] As the preferred technical solution, tunnels 1, 2, and 3 are all arranged perpendicular to the main transport tunnel.

[0011] As a preferred technical solution, a pump room is provided inside the second tunnel, and a water intake pool is located inside the pump room.

[0012] As a preferred technical solution, the water storage is located in the first connecting tunnel connecting tunnel 1 and tunnel 2.

[0013] As a preferred technical solution, the inner water tank is located in the second connecting tunnel connecting tunnels two and three, and the outer water tank is located in the third connecting tunnel connecting tunnels two and three.

[0014] As a preferred technical solution, the inner water tank is arranged at an angle.

[0015] As a preferred technical solution, the pump house is a reinforced concrete structure, and the pump house is equipped with an anchored wire mesh reinforced concrete support structure, while the clean water tank and the sewage tank are also equipped with anchored wire mesh reinforced concrete support structures.

[0016] The beneficial effects of this utility model are as follows:

[0017] (1) In this utility model, the inner water tank, outer water tank and clear water tank are connected by a water suction pool, instead of the traditional water distribution tunnel and water suction well. A gate valve is installed at the connection point, which can meet the needs of separate discharge of clear water and sewage and dredging. It can also make the drainage pumps mutually redundant, reducing the purchase and installation of equipment, and avoiding the construction and cleaning difficulties when using the water distribution tunnel and water suction well. Attached Figure Description

[0018] Figure 1 A cross-sectional view of a conventional water tank layout provided for an embodiment of this utility model;

[0019] Figure 2 Cross-sectional view of the water tank layout provided for an embodiment of this utility model;

[0020] Figure 3 A layout plan of the water tank pump house provided for an embodiment of this utility model;

[0021] The reference numerals on the map are as follows: 1. Clear water tank; 2. Sewage tank; 21. Inner water tank; 22. Outer water tank; 3. Suction pool; 4. Pump house; 5. Pump; 6. Transport roadway; 61. Roadway 1; 62. Roadway 2; 63. Roadway 3; 7. Gate valve; 8. Suction well; 9. Water distribution roadway; 10. Gate wall. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] Example 1

[0024] See Figure 1 , Figure 2 , Figure 3 A coal mine wastewater and clean water drainage device includes a suction tank 3 located inside a pump house 4 in a roadway, a clean water tank 1 located in the roadway, and a wastewater tank 2 located in the roadway. The wastewater tank 2 includes an inner water tank 21 and an outer water tank 22. The suction tank 3 is connected to the clean water tank 1, the inner water tank 21, and the outer water tank 22 respectively. Gate valves 7 are provided at the connection points between the suction tank 3 and the clean water tank 1, the inner water tank 21, and the outer water tank 22. This eliminates the need for traditional water distribution roadways 9 and suction wells 8. The suction tank 3 and the clean water tank... 1. Gate valves 7 are installed at the connection between the inner water tank 21 and the outer water tank 22 to meet the requirements of separate discharge of clean water and sewage and sludge removal. If the clean water tank is sludge removed during the period when no water is discharged from the mining area, the suction tank 3 is equipped with at least three sub-tanks. The three sub-tanks are connected to the clean water tank 1, the inner water tank 21 and the outer water tank 22 respectively. Each of the three sub-tanks is equipped with two water pumps 5, which can be used as backups for each other, reducing the purchase and installation of water pump equipment. Therefore, only six water pumps are needed in the pump room 4, with two in use, two on standby and two under maintenance.

[0025] See Figure 2 The tunnels include a main transport tunnel 6, tunnel 1 61, tunnel 2 62, and tunnel 3 63. Tunnel 1 61, tunnel 2 62, and tunnel 3 63 are all connected to the main transport tunnel 6. Tunnel 1 61 and tunnel 2 62 are connected by a first connecting tunnel. Tunnel 2 62 and tunnel 3 63 are connected by a second connecting tunnel and a third connecting tunnel, respectively. In this embodiment, tunnel 1 61, tunnel 2 62, and tunnel 3 63 are all arranged perpendicularly to the main transport tunnel 6. The first connecting tunnel is arranged perpendicularly to tunnel 1 61 and tunnel 2 62. The second connecting tunnel is inclined. The third connecting tunnel is arranged perpendicularly to tunnel 2 62 and tunnel 3 63.

[0026] See Figure 2 The clear water tank 1 is located in the first connecting tunnel, the inner water tank 21 is located in the second connecting tunnel, and the outer water tank 22 is located in the third connecting tunnel. The pump house 4 is a reinforced concrete structure. The pump house 4 adopts an anchor-mesh cable reinforced concrete support structure. The clear water tank 1 and the sewage tank 2 adopt an anchor-mesh cable reinforced concrete support structure. The anchor-mesh cable reinforced concrete support structure is an existing technology.

[0027] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A coal mine sewage, clean water drainage device, characterized in that, It includes a water suction pool (3), a clean water tank (1), and a sewage tank (2) located in the alley. The sewage tank (2) includes an inner water tank (21) and an outer water tank (22). The water suction pool (3) is connected to the clean water tank (1), the inner water tank (21), and the outer water tank (22) respectively. Gate valves (7) are provided at the connection points between the water suction pool (3) and the clean water tank (1), the inner water tank (21), and the outer water tank (22). At least two gate walls (10) are provided in the water suction pool (3), and the water suction pool (3) is divided into at least three sub-pools. Each sub-pool is equipped with two water pumps (5).

2. The coal mine sewage and clean water drainage device according to claim 1, characterized in that, The lanes include the main transport lane (6) and lanes 1 (61), 2 (62), and 3 (63) that are connected to the main transport lane (6).

3. The coal mine sewage and clean water drainage device according to claim 2, characterized in that, Lane 1 (61), Lane 2 (62), and Lane 3 (63) are all arranged perpendicular to the main transport lane (6).

4. The coal mine sewage and clean water drainage device according to claim 2, characterized in that, A pump room (4) is located inside the second alley (62), and a water suction pool (3) is located inside the pump room (4).

5. A coal mine wastewater and clean water drainage device according to claim 2, characterized in that, Qingshui Warehouse (1) is located in the first connecting lane connecting Lane 1 (61) and Lane 2 (62).

6. A coal mine wastewater and clean water drainage device according to claim 2, characterized in that, The inner water tank (21) is located in the second connecting tunnel connecting tunnel 2 (62) and tunnel 3 (63), and the outer water tank (22) is located in the third connecting tunnel connecting tunnel 2 (62) and tunnel 3 (63).

7. A coal mine wastewater and clean water drainage device according to claim 1, characterized in that, The inner water tank (21) is arranged at an angle.

8. A coal mine wastewater and clean water drainage device according to claim 2, characterized in that, The pump house (4) is a reinforced concrete structure. An anchor wire mesh reinforced concrete support structure is provided inside the pump house (4). An anchor wire mesh reinforced concrete support structure is provided inside the clear water tank (1) and the sewage tank (2).