A water filtering device for backfilling in a mine

Abstract

This utility model relates to the field of mining engineering technology and discloses a filtration device for tailings backfilling in underground mines. It includes a housing with a drainage chamber on one side inside the housing. A feed pipe is fixedly sleeved on the upper part of the drainage chamber, and a discharge pipe is fixedly connected to the lower part of the inner wall of the feed pipe. Several filtration holes are formed on the bottom surface of the discharge pipe. This utility model first completes preliminary solid-liquid separation through the filtration holes of the discharge pipe, reducing the pressure of subsequent processing. Then, the filtration conveyor belt, in conjunction with pressure rollers, further improves the dewatering efficiency, ensuring a significant reduction in the moisture content of the tailings. This achieves multi-stage filtration, meeting the needs of mine backfilling. Through an adjustment mechanism, rotating the rotating wheel drives the threaded column to control the lifting and lowering of the pressure rollers, achieving precise adjustment of the filtration pressure. Whether it's high-moisture-content tailings requiring deeper dewatering under increased pressure or low-moisture-content tailings needing to avoid excessive compression, the device can be flexibly adapted, enhancing its applicability to different working conditions.

Description

Technical Field

[0001] This utility model relates to the field of mining engineering technology, and in particular to a water filtration device for backfilling tailings in underground mines. Background Technology

[0002] The water filtration device for tailings backfilling in mines is a special equipment designed for the tailings backfilling process in mines. It is mainly used to solve the water treatment problem in the tailings backfilling process, ensure the safety and efficiency of backfilling operations, and realize the recycling of water resources.

[0003] Traditional water filtration devices mostly use single filtration or simple extrusion methods, which have problems such as low dewatering efficiency, high energy consumption, and difficulty in adapting to different working conditions. In addition, tailings often clump together, and existing devices lack an effective pre-treatment step to break up the clumps, resulting in uneven material distribution and a significant reduction in water filtration effect. Based on this, a water filtration device for underground tailings backfilling in mines is proposed for improvement. Utility Model Content

[0004] Given that the existing filtration methods are relatively simple and difficult to adapt to different working conditions, as well as the lack of material pretreatment, this utility model is proposed.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a water filtration device for tailings backfilling in underground mines, comprising a box body, a drainage chamber opened on one side of the box body, a feed pipe fixedly sleeved on the upper part of the drainage chamber, a discharge pipe fixedly connected to the lower part of the inner wall of the feed pipe, a plurality of water filtration holes opened on the bottom surface of the discharge pipe, and the box body comprising a dispersing mechanism for dispersing materials, a pressing mechanism for pressing and filtering materials, and an adjusting mechanism for adjusting the water filtration pressure; A second motor is fixedly mounted on one side of the housing via a mounting bracket. The output shaft of the second motor is fixedly sleeved with a drive roller shaft. The drive roller is rotatably connected to the middle of the inner wall of the housing. The drive roller shaft is rotatably connected to a driven roller via a sprocket assembly. The driven roller is rotatably connected to one side of the housing. The same water-filtering conveyor belt is connected to the surface of the drive roller and the surface of the driven roller. Material baffles are fixedly connected to both sides of the outer surface of the water-filtering conveyor belt. A discharge plate is provided at one end of the water-filtering conveyor belt.

[0006] As a preferred embodiment, the water filter conveyor belt is provided with a number of force-receiving rollers inside, and a number of fixed frames are provided above the number of force-receiving rollers. Pressure rollers are rotatably connected to the inner walls of the number of fixed frames.

[0007] As a preferred embodiment, a fixing plate is fixedly connected to the inner wall of the box, and a plurality of threaded posts are threadedly connected inside the fixing plate, with a rotating wheel fixedly connected to the top of the plurality of threaded posts.

[0008] As a preferred embodiment, the bottom ends of several threaded columns are rotatably connected to the top ends of several fixed frames, and the top ends of the fixed frames are symmetrically provided with guide columns, the outer surfaces of which are slidably connected to the interior of the fixed plate.

[0009] As a preferred embodiment, a first motor is fixedly mounted on one side of the housing via a mounting bracket, and a transmission shaft is fixedly sleeved onto the output shaft of the first motor.

[0010] As a preferred embodiment, one end of the drive shaft passes through the side wall of the housing and is rotatably connected to the inner wall of the dispersion box, and several sets of striking rods are fixedly connected to the surface of the drive shaft.

[0011] As a preferred embodiment, a dispersion box is fixedly connected to one end of the discharge pipe, and the dispersion box is positioned above one end of the water filter conveyor belt.

[0012] Compared with the prior art, the present invention has at least the following beneficial effects: 1. This utility model first completes preliminary solid-liquid separation through the filter holes of the discharge pipe, reducing the pressure of subsequent processing; then, the filter conveyor belt, together with the pressure roller, further improves the dewatering efficiency, ensuring a significant reduction in the moisture content of the tailings, realizing multi-stage filtration, meeting the needs of mine backfilling. Through the adjustment mechanism, rotating the wheel can drive the threaded column to control the lifting and lowering of the pressure roller, realizing precise adjustment of the filter pressure. Whether it is tailings with high moisture content that need to be dewatered with increased pressure, or tailings with low moisture content that need to be avoided from excessive compression, it can be flexibly adapted, enhancing the applicability of the device to different working conditions.

[0013] 2. The first motor of this utility model starts, and its output shaft drives the transmission shaft to rotate. Several sets of striking rods rotate at high speed with the transmission shaft, striking and stirring the tailings flowing into the dispersion box from the discharge pipe, breaking the clumps of tailings into uniform and fine particles, and spreading them evenly on one end of the filter conveyor belt, ensuring that the broken material is directly and evenly spread on the conveyor belt, creating good conditions for subsequent filtration. Attached Figure Description

[0014] Figure 1 This is a side view of the structure of this utility model; Figure 2 This is a side sectional view of the present invention. Figure 3 This is a top view of the structure of this utility model; Figure 4 for Figure 3 A magnified structural diagram of point A in the middle.

[0015] Explanation of reference numerals in the attached figures: 1. Housing; 11. Drainage chamber; 2. Feed pipe; 3. Discharge pipe; 31. Filter hole; 4. Dispersion mechanism; 41. Dispersion box; 42. First motor; 43. Drive shaft; 44. Impact bar; 5. Filter press mechanism; 51. Second motor; 52. Drive roller; 53. Sprocket assembly; 54. Driven roller; 55. Filter conveyor belt; 56. Baffle bar; 57. Force roller; 58. Fixing frame; 59. Pressure roller; 6. Adjustment mechanism; 61. Fixing plate; 62. Threaded column; 63. Rotary wheel; 64. Guide column; 7. Discharge plate. Detailed Implementation

[0016] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0017] Reference Figures 1-4 This is the first embodiment of the present invention, which provides a water filtration device for tailings backfilling in underground mines, including a box body 1. A drainage chamber 11 is provided on one side inside the box body 1. A feed pipe 2 is fixedly sleeved on the upper part of the drainage chamber 11. A discharge pipe 3 is fixedly connected to the lower part of the inner wall of the feed pipe 2. A plurality of water filtration holes 31 are provided on the bottom surface of the discharge pipe 3. The box body 1 includes a dispersing mechanism 4 for dispersing materials, a pressing mechanism 5 for pressing and filtering materials, and an adjusting mechanism 6 for adjusting the water filtration pressure. A second motor 51 is fixedly installed on one side of the housing 1 by a mounting bracket. The output shaft of the second motor 51 is fixedly sleeved with the shaft of the drive roller 52. The drive roller 52 is rotatably connected to the middle of the inner wall of the housing 1. The shaft of the drive roller 52 is rotatably connected to the driven roller 54 through the sprocket assembly 53. The driven roller 54 is rotatably connected to one side of the housing 1. The same water filter conveyor belt 55 is connected to the surface of the drive roller 52 and the surface of the driven roller 54. Both sides of the outer surface of the water filter conveyor belt 55 are fixedly connected with baffle strips 56. One end of the water filter conveyor belt 55 is provided with a discharge plate 7. The filter conveyor belt 55 has several force rollers 57 inside, and several fixed frames 58 are provided above the force rollers 57. Pressure rollers 59 are rotatably connected to the inner walls of the fixed frames 58. A fixing plate 61 is fixedly connected to the inner wall of the box 1. Several threaded posts 62 are threaded inside the fixing plate 61. A rotating wheel 63 is fixedly connected to the top of the several threaded posts 62. Several threaded posts 62 are rotatably connected to the top of several fixed frames 58. Guide posts 64 are symmetrically provided at the top of the fixed frames 58. The outer surface of the guide posts 64 is slidably connected to the inside of the fixed plate 61.

[0018] During use, the tailings mixture enters the discharge pipe 3 through the feed pipe 2. The filter hole 31 allows some water to flow directly into the drainage chamber 11 through the hole, achieving preliminary solid-liquid separation. The material after preliminary solid-liquid separation is dispersed by the dispersing mechanism 4 and evenly spread on the surface of the filter conveyor belt 55 to avoid material clumping. Start the second motor 51, which drives the active roller 52 to rotate. The active roller 52 is driven by the sprocket assembly 53, which in turn drives the driven roller 54, causing the filter conveyor belt 55 to move along the inside of the box 1. The tail sand is conveyed to the discharge plate 7 along the conveyor belt. During the movement of the tailings, the pressure roller 59 applies downward pressure to the tailings. Under the squeezing of the pressure roller 59 and the force roller 57, the water in the tailings seeps through the mesh of the filter conveyor belt 55 into the bottom of the box 1 and flows into the drainage chamber 11. The dewatered tailings continue to move with the filter conveyor belt 55 to the discharge plate 7 for unloading. Rotating the wheel 63 drives the threaded column 62 to rotate. When the threaded column 62 rotates, the fixed frame 58 can move up and down along the guide column 64. The fixed frame 58 drives the pressure roller 59 to rise and fall, thereby adjusting the pressure of the pressure roller 59 on the filter conveyor belt 55. This design first completes preliminary solid-liquid separation through the filter holes 31 of the discharge pipe 3, reducing the pressure of subsequent processing; then, the filter conveyor belt 55, in conjunction with the pressure roller 59, further improves the dewatering efficiency, ensuring a significant reduction in the moisture content of the tailings, achieving multi-stage filtration, and meeting the needs of mine backfilling. By adjusting the mechanism 6, rotating the wheel 63 can drive the threaded column 62 to control the lifting and lowering of the pressure roller 59, achieving precise adjustment of the filter pressure. Whether it is tailings with high moisture content that require increased pressure for deep dewatering, or tailings with low moisture content that need to be avoided from excessive compression, it can be flexibly adapted, enhancing the applicability of the device to different working conditions.

[0019] Reference Figures 1-4 This is the second embodiment of the present utility model. The difference between this embodiment and the first embodiment is that: a first motor 42 is fixedly installed on one side of the housing 1 by a mounting bracket, and a transmission shaft 43 is fixedly sleeved on the output shaft of the first motor 42. One end of the drive shaft 43 passes through the side wall of the box 1 and is rotatably connected to the inner wall of the dispersion box 41. Several sets of striking rods 44 are fixedly connected to the surface of the drive shaft 43. A dispersion box 41 is fixedly connected to one end of the discharge pipe 3, and the dispersion box 41 is located above one end of the water filter conveyor belt 55.

[0020] During use, the first motor 42 is started, and its output shaft drives the transmission shaft 43 to rotate. Several sets of striking rods 44 rotate at high speed with the transmission shaft 43, striking and stirring the tailings flowing into the dispersion box 41 from the discharge pipe 3. The clumps of tailings are broken into uniform and fine particles and evenly spread on one end of the filter conveyor belt 55, ensuring that the broken material is directly and evenly spread on the conveyor belt, creating good conditions for subsequent filtration.

[0021] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A water filtering device for use in backfilling of mine workings, comprising a housing (1), characterised in that: The box (1) has a drainage chamber (11) on one side inside. A feed pipe (2) is fixedly sleeved on the upper part of the drainage chamber (11). A discharge pipe (3) is fixedly connected to the lower part of the inner wall of the feed pipe (2). A number of filter holes (31) are opened on the bottom surface of the discharge pipe (3). The box (1) includes a dispersing mechanism (4) for dispersing materials, a filter pressing mechanism (5) for pressing and filtering materials, and a regulating mechanism (6) for regulating the filter water pressure. A second motor (51) is fixedly installed on one side of the housing (1) by a mounting bracket. The output shaft of the second motor (51) is fixedly sleeved with the shaft of the active roller (52). The active roller (52) is rotatably connected to the middle of the inner wall of the housing (1). The shaft of the active roller (52) is rotatably connected to the driven roller (54) through a sprocket assembly (53). The driven roller (54) is rotatably connected to one side of the housing (1). The surface of the active roller (52) and the surface of the driven roller (54) are connected to the same water filter conveyor belt (55). Both sides of the outer surface of the water filter conveyor belt (55) are fixedly connected with baffle strips (56). One end of the water filter conveyor belt (55) is provided with a discharge plate (7).

2. A water filtering device for use in backfilling of mine workings according to claim 1, characterised in that: The filter conveyor belt (55) is provided with several force rollers (57) inside, and several fixed frames (58) are provided above the several force rollers (57). Pressure rollers (59) are rotatably connected to the inner walls of the several fixed frames (58).

3. A water filter for use in backfilling of mine workings according to claim 1 characterised in that: The inner wall of the box (1) is fixedly connected to a fixing plate (61), and the fixing plate (61) is threaded with several threaded posts (62), and the top of the several threaded posts (62) is fixedly connected to a rotating wheel (63).

4. A water filter for use in backfilling of mine workings according to claim 3, characterised in that: The bottom ends of several threaded columns (62) are rotatably connected to the top ends of several fixed frames (58). The top ends of the fixed frames (58) are symmetrically provided with guide columns (64), and the outer surface of the guide columns (64) is slidably connected to the inside of the fixed plate (61).

5. A water filter for use in backfilling of mine workings according to claim 1 characterised in that: The first motor (42) is fixedly installed on one side of the housing (1) by a mounting bracket, and the output shaft of the first motor (42) is fixedly sleeved with a transmission shaft (43).

6. A water filter for use in backfilling of a mine, according to claim 5, characterised in that: One end of the drive shaft (43) passes through the side wall of the box (1) and is rotatably connected to the inner wall of the dispersion box (41). Several sets of striking rods (44) are fixedly connected to the surface of the drive shaft (43).

7. A water filter for use in backfilling of mine workings according to claim 6 wherein: One end of the discharge pipe (3) is fixedly connected to a dispersion box (41), which is located above one end of the water filter conveyor belt (55).

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