Filtering and draining device for filling body and tailing pond in mining goaf

Abstract

The utility model discloses a mining goaf filling body and tailing pond water filtering and draining device which comprises a plastic pipe, and a plurality of holes are evenly distributed in the pipe wall of the plastic pipe. The periphery of the plastic pipe is wrapped with a filter layer; the plurality of plastic pipes are vertically arranged along one side of the goaf filling body and transversely arranged at the bottom of the goaf; the vertically arranged plastic pipes are respectively communicated with the transversely arranged plastic pipes; according to the water filtering and draining device, an efficient, stable and easy-to-maintain filling body water draining system is formed, and the water filtering and draining device has important significance for improving the safety and efficiency of mining.

Description

Technical Field

[0001] The utility model belongs to the technical field, in particular to a filtering and drainage device for a filling body in a mining goaf area and a tailings pond. Background Art

[0002] With the continuous improvement of safety, environmental protection and resource recovery requirements, backfill mining has become the main method of mining. The backfill materials in the goaf are mainly paste (similar to paste) and full tailings. During the filling process, whether paste (similar to paste) or full tailings filling is used, a large amount of filling water will be generated. If it is not filtered out in time, there will be great hidden dangers. The current backfill filtration water and tailings pond drainage and infiltration water facilities have a slow drainage speed and poor effect. Especially for the buried pipes in the high-altitude cold areas of Qinghai-Tibet, they are very easy to freeze or clog. Therefore, the above is a major problem currently existing in mines. Utility Model Content

[0003] In order to solve the problems existing in the prior art, the utility model provides a filtering and drainage device for a filling body in a mining goaf and a tailings pond, which solves the above-mentioned technical problems.

[0004] To achieve the purpose of the utility model, the utility model adopts the following technical scheme: a filtering and drainage device for a mining goaf filling body and a tailings pond, comprising a plastic pipe, wherein a plurality of holes are evenly distributed on the pipe wall of the plastic pipe; a filter layer is wrapped around the outer periphery of the plastic pipe; the plurality of plastic pipes are vertically arranged along the edge of the goaf filling body and horizontally arranged at the bottom of the goaf; the vertically arranged plastic pipes are respectively connected to the horizontally arranged plastic pipes; one end of the plurality of horizontally arranged plastic pipes flows from the main flow of the closed wall to an underground water tank.

[0005] Furthermore, the inner diameter of the plastic tube is 10-100 mm, and the outer diameter is 12-110 mm.

[0006] Furthermore, the wall thickness of the plastic tube is 2-10 mm.

[0007] Furthermore, the hole diameter is 0.8-1.2 mm; and the hole spacing between the multiple holes is 0.8-1.2 mm.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] By arranging plastic pipes vertically on the side of the filling body in the goaf and horizontally at the bottom of the goaf, a stable pipeline network is formed, which helps to maintain the structural stability of the filling body and reduce the risk of collapse in the goaf. The holes on the plastic pipes allow water to pass through, thereby achieving effective exchange of water in the filling body with the external environment. The setting of the filter layer on the outside of the plastic pipe can prevent impurities and particles in the filling body from entering the pipeline system, avoid pipeline blockage, and ensure the smooth flow of water. Through the reasonable design of pipe diameter and pipe wall thickness, the plastic pipe meets the strength requirements and is easy to install. At the same time, the layout design of the pipeline network is also convenient for subsequent maintenance and management. Therefore, the filter and drainage device forms an efficient, stable and easy-to-maintain filling body drainage system, which is of great significance to improving the safety and efficiency of mine mining, and is 30,000-50,000 m underground. 3 After the goaf area adopts the method of filtering and draining water through fissures and rock strata, when the fissures and rock strata are relatively developed, the filtration and drainage time is about 8 months, and when the fissures and rock strata are not developed, the filtration and drainage time is at least 15 months. After using this device, the accumulated water in the goaf can be drained in 2-3 months. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 It is a side cross-sectional schematic diagram of the plastic tube of the utility model;

[0012] Figure 3 This is a front cross-sectional schematic diagram of a plastic pipe of the utility model;

[0013] In the figure: plastic pipe-1, filter layer-2, hole-3, goaf filling body-4, closed wall-5. DETAILED DESCRIPTION

[0014] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention:

[0015] like Figure 1-3As shown, a filtration and drainage device for a filling body and a tailings pond in a mining goaf includes a plastic pipe 1, a plurality of holes 3 are evenly distributed on the pipe wall of the plastic pipe 1, and the holes 3 are for allowing water to pass through but preventing larger particulate matter; the outer periphery of the plastic pipe 1 is wrapped with a filter layer 2; the filter layer 2 is used to further filter impurities in the water to ensure the cleanliness of the drainage; the plurality of plastic pipes 1 are arranged vertically along the edge of the goaf filling body 4 and horizontally at the bottom of the goaf; the vertically arranged plastic pipes 1 are connected to the horizontally arranged plastic pipes 1 respectively, and the plurality of plastic pipes 1 are arranged vertically along the edge of the goaf filling body 4 and horizontally at the bottom of the goaf. This arrangement can ensure that the water can be collected and discharged comprehensively and effectively. The vertically arranged plastic pipes 1 and the horizontally arranged plastic pipes 1 are connected to each other, thereby forming a complete drainage network; one end of the plurality of horizontally arranged plastic pipes 1 extends from the closed wall 5 to the underground water tank.

[0016] Specifically, the inner diameter of the plastic pipe 1 is 10-100 mm, and the outer diameter is 12-110 mm. Pipes of different specifications can be selected according to actual needs to meet different drainage and pressure requirements.

[0017] Specifically, the wall thickness of the plastic pipe 1 is 2-10 mm, which ensures the strength and durability of the pipe while also taking the cost factor into consideration.

[0018] Specifically, the hole diameter of the hole 3 is 0.8-1.2 mm; the hole spacing between the multiple holes 3 is 0.8-1.2 mm, which can prevent larger particulate matter from entering the pipe and affecting the normal operation of the drainage system while ensuring the drainage effect.

[0019] In specific implementation, according to the actual situation of the filling body 4 in the goaf, determine the specific position and number of plastic pipes 1 that need to be arranged vertically and horizontally. Prepare the required plastic pipe 1, whose inner diameter is 10-100mm, outer diameter is 12-110mm, and wall thickness is 2-6mm. At the same time, prepare the material of the filter layer 3, and use a cutting tool to cut the plastic pipe 1 according to the actual required length. Punch holes evenly on the wall of the plastic pipe 1, with a hole diameter of 0.8-1.2mm and a hole spacing of 0.8-1.2mm. When punching holes, pay attention to maintaining the uniformity and consistency of the holes. Wrap the filter layer 3 around the periphery of the plastic pipe 1 to ensure that the filter layer 2 fits tightly on the plastic pipe 1 without leaving any gaps. Arrange the prepared plastic pipe 1 vertically according to the predetermined position, and fix it to the side wall of the filling body 4 with a fixing clamp or other fixing device. Ensure the verticality and stability of the plastic pipe 1. Arrange the prepared plastic pipes 1 horizontally according to the predetermined position, and fix them to the bottom of the filling body 4 using fixing clamps or other fixing devices. Ensure that the horizontally arranged plastic pipes 1 can be smoothly connected with the vertically arranged plastic pipes 1. During the connection process, pay attention to ensure the sealing and firmness of the connection. Extend one end of multiple horizontally arranged plastic pipes 1 from the closed wall 5 to the underground water tank to ensure the stability and sealing of the connection.

[0020] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be covered by the protection scope of the utility model.

Claims

1. A filtration and drainage device for a mining goaf filling body and a tailings pond, comprising a plastic pipe (1), characterized in that: The plastic pipe (1) has a plurality of holes (3) evenly distributed on its wall; the plastic pipe (1) is wrapped with a filter layer (2) on its periphery; the plurality of plastic pipes (1) are arranged vertically along the edge of the goaf filling body (4) and horizontally at the bottom of the goaf; the vertically arranged plastic pipes (1) are connected to the horizontally arranged plastic pipes (1) respectively; one end of the plurality of horizontally arranged plastic pipes (1) flows from the main flow of the closed wall (5) to the underground water tank.

2. The filtration and drainage device for a mining goaf filling body and a tailings pond according to claim 1, characterized in that: The plastic tube (1) has an inner diameter of 10-100 mm and an outer diameter of 12-110 mm.

3. The filtration and drainage device for a mining goaf filling body and a tailings pond according to claim 2, characterized in that: The wall thickness of the plastic tube (1) is 2-10 mm.

4. The filtration and drainage device for a mining goaf filling body and a tailings pond according to claim 1, characterized in that: The hole (3) has a diameter of 0.8-1.2 mm; and the hole spacing between the multiple holes is 0.8-1.2 mm.

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