Underground drainage filtering device

Abstract

The utility model discloses an underground drainage filtering device, which belongs to the technical field of drainage filtering devices and is characterized in that a sliding chute is arranged in a filtering barrel, a filter screen is connected in the sliding chute in a sliding manner, a spring is fixedly connected to the bottom of the filter screen, one end of the spring is fixedly connected to the sliding chute, a first limiting block is arranged in the filtering barrel, and a second limiting block is arranged in the filtering barrel. According to the coal mine underground water filtering device, water in a coal mine can be preliminarily filtered through the filter screen, coal cinder and soil are left on the filter screen, and the water is discharged out of the drainage pipe at the bottom of the filter barrel after flushing the water; after a certain amount of coal slag is pushed on the filter screen, a spring is compressed to enable the filter screen to slide downwards, the coal slag on the filter screen is discharged into a collecting box from a slag discharging opening under the action of a first limiting block and a second limiting block, a worker only needs to take the collecting box out of the filter barrel at regular intervals to clean the collecting box, blockage of a drainage pipeline is effectively prevented, and the working efficiency is improved. And the practicability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage filtering devices, in particular to an underground drainage filtering device. Background Art

[0002] During the coal mining process, a large amount of underground water, namely mine water, will inevitably be discharged; one of the sources of mine water is precipitation. If the accumulated water cannot be discharged to the surface in time, the production underground may be hindered and the safety underground cannot be guaranteed. In severe cases, it may cause flooding accidents, resulting in huge personal and property losses. Therefore, drainage equipment is indispensable in the mine operation process.

[0003] During coal mining, a large amount of underground water will accumulate in a short period of time, and a certain amount of coal slag will be carried in the process of water flow. Direct drainage through the drainage device will discharge the coal slag in the water, resulting in large coal consumption and environmental pollution. At the same time, the coal slag may cause blockage of the drainage pipe. Utility Model Content

[0004] The utility model solves the technical problems in the above-mentioned background technology and provides an underground drainage filtering device.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0006] A downhole drainage filtering device comprises a filter barrel, a slide groove is provided in the filter barrel, a filter screen is slidably connected in the slide groove, a spring is fixedly connected to the bottom of the filter screen, one end of the spring is fixedly connected to the slide groove, a limit block 1 is provided in the filter barrel, a slag discharge port is provided on the filter barrel, a limit block 2 is fixedly connected in the filter barrel, a collection box is slidably connected to one side of the filter barrel, a guide port is provided at the bottom of the filter barrel, a drain port is provided at the bottom of the guide port, a drain pipe is fixedly connected to the drain port, and a support leg is fixedly connected to the bottom of the guide port.

[0007] Preferably, a square plate 1 is provided on the filter barrel, a conveying cylinder is hinged on the square plate 1, one end of the conveying cylinder is fixedly connected to a motor, an output end of the motor is fixedly connected to an auger, and a water outlet is provided on the conveying cylinder.

[0008] Preferably, a mounting plate is provided on one side of the filter barrel, a threaded rod is rotatably connected to the mounting plate, a square plate 2 is threadedly connected to the threaded rod, a square block is provided on the square plate 2, the square block is hinged to the conveying cylinder, a limiting rod is fixedly connected to the mounting plate, and a knob is fixedly connected to the threaded rod.

[0009] Preferably, the second limit block is located below the slag discharge port, the height of the first limit block is higher than the height of the second limit block, and the chute is provided with two groups.

[0010] Preferably, the guide port is in a conical shape, the collecting box is located outside the slag discharge port, and the top of the collecting box is higher than the top of the slag discharge port.

[0011] Preferably, the second square plate slides on the limiting rod, the threaded rod and the limiting rod are respectively located on both sides of the conveying cylinder, and the second square plate is located above the mounting plate.

[0012] Preferably, the supporting legs are provided in three groups, and the water outlet is located directly above the filter barrel.

[0013] With the above structure, the utility model has the following advantages:

[0014] 1. The utility model can perform preliminary filtration on the water in the coal mine through the filter net, so that the coal slag and soil remain on the filter net, and the water is discharged through the drain pipe at the bottom of the filter barrel. After a certain amount of coal slag is pushed on the filter net, the spring will be compressed to make the filter net slide downward, and under the action of the limit block 1 and the limit block 2, the coal slag on the filter net is discharged into the collection box from the slag discharge port. The staff only needs to take the collection box out of the filter barrel regularly for cleaning, which effectively prevents the blockage of the drainage pipe and enhances the practicality of the device.

[0015] 2. The utility model can drive the auger to rotate by starting the motor, and can draw one end of the water-flushing conveying cylinder into the filter barrel from the water outlet for filtering. At the same time, the height of the bottom of the conveying cylinder can be adjusted by rotating the threaded rod to prevent the bottom of the conveying cylinder from contacting the ground and drawing a large amount of coal slag and soil into the filter barrel. It can also be suitable for drainage in various terrains, enhancing the versatility of the device.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a structural schematic diagram of an underground drainage filtering device of the utility model;

[0019] Figure 2This is a partial cross-sectional view of an underground drainage filtering device of the utility model. Figure 1 ;

[0020] Figure 3 This is a partial structural section of a downhole drainage filter device of the utility model. Figure 2 .

[0021] As shown in the figure: 1. Filter barrel; 2. Slide; 3. Filter screen; 4. Spring; 5. Limit block 1; 6. Slag discharge port; 7. Limit block 2; 8. Collection box; 9. Diversion port; 10. Drain port; 11. Drain pipe; 12. Support leg; 13. Square plate 1; 14. Conveying cylinder; 15. Motor; 16. Auger; 17. Water outlet; 18. Mounting plate; 19. Threaded rod; 20. Square plate 2; 21. Square block; 22. Limit rod; 23. Knob. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0023] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] The utility model is further described in detail below in conjunction with the full text:

[0025] Combined with Figures 1 to 3A downhole drainage filtering device comprises a filter barrel 1, a chute 2 is arranged in the filter barrel 1, a filter screen 3 is slidably connected in the chute 2, a spring 4 is fixedly connected to the bottom of the filter screen 3, one end of the spring 4 is fixedly connected to the chute 2, a limit block 1 5 is arranged in the filter barrel 1, a slag discharge port 6 is arranged on the filter barrel 1, a limit block 2 7 is fixedly connected in the filter barrel 1, a collection box 8 is slidably connected to one side of the filter barrel 1, a guide port 9 is arranged at the bottom of the filter barrel 1, a drain port 10 is arranged at the bottom of the guide port 9, a drain pipe 11 is fixedly connected to the drain port 10, and a bottom of the guide port 9 It is fixedly connected with a supporting leg 12, and the water in the coal mine can be initially filtered through the filter screen 3, so that the coal slag and soil remain on the filter screen 3, and the water is discharged through the drain pipe 11 at the bottom of the filter barrel 1. After a certain amount of coal slag is pushed on the filter screen 3, the spring 4 will be compressed to make the filter screen 3 slide downward, and under the action of the limit block 1 5 and the limit block 2 7, the coal slag on the filter screen 3 is discharged from the slag discharge port 6 into the collection box 8. The staff only needs to take the collection box 8 out of the filter barrel 1 and clean it regularly, which effectively prevents the blockage of the drain pipe 11 and enhances the practicality of the device.

[0026] Among them, the filter barrel 1 is provided with a square plate 13, and a conveying cylinder 14 is hinged on the square plate 13. One end of the conveying cylinder 14 is fixedly connected to a motor 15, and the output end of the motor 15 is fixedly connected to a screw dragon 16. The conveying cylinder 14 is provided with a water outlet 17. A mounting plate 18 is provided on one side of the filter barrel 1. A threaded rod 19 is rotatably connected to the mounting plate 18, and a square plate 20 is threadedly connected to the threaded rod 19. A square block 21 is provided on the square plate 20, and the square block 21 is hinged on the conveying cylinder 14. A limit rod 22 is fixedly connected to the mounting plate 18, and a knob 23 is fixedly connected to the threaded rod 19. The limit block 27 is located below the slag discharge port 6, and the height of the limit block 15 is higher than the height of the limit block 27. The chute 2 is provided with two groups, and the shape of the guide port 9 is conical. The collection box 8 is located on the outside of the slag discharge port 6, the top of the collecting box 8 is higher than the top of the slag discharge port 6, the square plate 20 slides on the limit rod 22, the threaded rod 19 and the limit rod 22 are respectively located on both sides of the conveying cylinder 14, the square plate 20 is located above the mounting plate 18, and the supporting legs 12 are provided with three groups. The water outlet 17 is located just above the filter barrel 1, and the auger 16 can be driven to rotate by starting the motor 15, so that one end of the water-flushing conveying cylinder 14 can be drawn in and flow into the filter barrel 1 from the water outlet 17 for filtering. At the same time, the height of the bottom of the conveying cylinder 14 can be adjusted by rotating the threaded rod 19 to avoid the bottom of the conveying cylinder 14 from contacting the ground and drawing a large amount of coal slag and soil into the filter barrel 1. It can also be suitable for drainage in various terrains, thereby enhancing the versatility of the device.

[0027] Working principle of the utility model: when in use, first move the device to the position where drainage is required in the coal mine, then insert one end of the conveying cylinder 14 into the water, and adjust the bottom height of the conveying cylinder 14 according to the site, manually turn the knob 23 to drive the threaded rod 19 to rotate on the mounting plate 18, so that the square plate 20 can slide on the limit rod 22, and drive the conveying cylinder 14 to rotate on the square plate 13 through the square block 21, so that the bottom of the conveying cylinder 14 does not fit the ground, avoiding the extraction of a large amount of coal slag and soil, and then connect one end of the drainage pipe 11 to the drainage pump, at this time start the motor 15 to drive the auger 16 to rotate, and water can be pumped into the conveying cylinder 1 4, and discharged into the filter barrel 1 from the water outlet 17. When flowing into the filter barrel 1, the coal slag and mud will remain on the filter screen 3, and the water will be discharged into the drain pipe 11 through the bottom guide port 9 and the drain port 10 of the filter barrel 1 and discharged through the water pump. At this time, the coal slag and mud left on the filter screen 3 will drive the filter screen 3 to move downward in the chute 2 and compress the spring 4. When one end of the filter screen 3 contacts the limit block 1 5, the filter screen 3 is tilted until the other end is attached to the limit block 2 7. The mud and coal slag on the filter screen 3 will flow into the collection box 8 from the slag discharge port 6. The staff only needs to take the collection box 8 out of the filter barrel 1 for cleaning regularly.

[0028] The above describes the utility model and its implementation methods, which is not restrictive. What is shown in the full text is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A downhole drainage filtering device, comprising a filtering barrel (1), characterized in that: The filter barrel (1) is provided with a slide groove (2), a filter screen (3) is slidably connected in the slide groove (2), a spring (4) is fixedly connected to the bottom of the filter screen (3), one end of the spring (4) is fixedly connected to the slide groove (2), a limit block (5) is provided in the filter barrel (1), a slag discharge port (6) is provided on the filter barrel (1), a limit block (7) is fixedly connected in the filter barrel (1), a collection box (8) is slidably connected to one side of the filter barrel (1), a guide port (9) is provided at the bottom of the filter barrel (1), a drain port (10) is provided at the bottom of the guide port (9), a drain pipe (11) is fixedly connected to the drain port (10), and a support leg (12) is fixedly connected to the bottom of the guide port (9).

2. The underground drainage filtering device according to claim 1, characterized in that: The filter barrel (1) is provided with a square plate (13), a conveying cylinder (14) is hingedly connected to the square plate (13), one end of the conveying cylinder (14) is fixedly connected to a motor (15), an output end of the motor (15) is fixedly connected to an auger (16), and a water outlet (17) is provided on the conveying cylinder (14).

3. A downhole drainage filtering device according to claim 2, characterized in that: A mounting plate (18) is provided on one side of the filter barrel (1), a threaded rod (19) is rotatably connected to the mounting plate (18), a square plate (20) is threadedly connected to the threaded rod (19), a square block (21) is provided on the square plate (20), the square block (21) is hinged to the conveying cylinder (14), a limiting rod (22) is fixedly connected to the mounting plate (18), and a knob (23) is fixedly connected to the threaded rod (19).

4. The underground drainage filtering device according to claim 3, characterized in that: The second limit block (7) is located below the slag discharge port (6), the height of the first limit block (5) is higher than the height of the second limit block (7), and the chute (2) is provided with two groups.

5. The underground drainage filtering device according to claim 4, characterized in that: The guide port (9) is in a conical shape, the collection box (8) is located outside the slag discharge port (6), and the top of the collection box (8) is higher than the top of the slag discharge port (6).

6. The underground drainage filtering device according to claim 5, characterized in that: The second square plate (20) slides on the limiting rod (22), the threaded rod (19) and the limiting rod (22) are respectively located on both sides of the conveying cylinder (14), and the second square plate (20) is located above the mounting plate (18).

7. The underground drainage filtering device according to claim 6, characterized in that: The supporting legs (12) are provided in three groups, and the water outlet (17) is located directly above the filter barrel (1).

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