Inclined coal slime and water separation device

Abstract

The utility model belongs to the technical field of underground coal mine drainage and deslagging, and particularly relates to an inclined coal slime and water separation device which comprises a base, two first supporting blocks, a plurality of second supporting blocks and a water tank are fixedly arranged on the base, a storage tank is arranged on the second supporting blocks, the storage tank is arranged in an inclined mode, and the water tank is arranged on the storage tank. A cylinder and a feeding pipe are arranged at the higher end of the storage tank, a column and a discharging pipe are arranged at the lower end of the storage tank, the cylinder and the column are arranged on two first supporting blocks respectively, the end, away from the storage tank, of the cylinder is closed, and the feeding pipe and the discharging pipe are both communicated with the interior of the storage tank. And a drainage pipe is arranged between the side part of the barrel and the water tank. The coal slime water is directly subjected to precipitation separation through the inclined storage tank, and then upper-layer water and lower-layer coal slime are respectively conveyed, stored and treated, so that the precipitation cleaning and treatment efficiency of the coal slime water is effectively improved.

Description

Technical Field

[0001] This utility model belongs to the field of underground coal mine drainage and slag removal technology, specifically relating to an inclined coal slurry and water separation device. Background Technology

[0002] For coal seams that have been severely tectonically damaged and have become scaly or soil-like, and are characterized by softness, low permeability, and high flammability, hydraulic jet drilling for pressure relief and outburst mitigation, and hydraulic caving for pressure relief are two main technologies for coalbed methane extraction.

[0003] Both hydraulic jet drilling for pressure relief and hydraulic caving for pressure relief are based on hydraulic jet technology. The process of forming the borehole consumes a large amount of water, which would be a huge waste if discharged into sewage channels. Furthermore, the coal slurry water contains heavy metals, which can cause serious water and environmental pollution. If the coal slurry water is diverted to a designated location via ditches, the on-site sedimentation during hydraulic jet drilling and the significant sedimentation of large coal particles along the channels make cleaning a heavy task, and the loading and transportation are time-consuming and labor-intensive. On the other hand, the amount of coal flushed during hydraulic jet drilling and hydraulic caving for pressure relief is fixed, and the distance between the coal-water separation device and the coal loading location is relatively far, making direct transport by slurry pumps impossible (slurry pumps have a short conveying head). If belt conveyors are used to transport the coal to the loading location, the conveyor belts will easily run idle, affecting work efficiency and leading to resource waste. Summary of the Invention

[0004] This invention addresses the problems in existing coalbed methane extraction processes, which often employ hydraulic jet drilling for pressure relief and depressurization, and hydraulic caving for pressure relief. These methods result in severe sedimentation of the coal slurry and water mixture, making cleaning difficult and hindering effective channeling and transport. Belt conveyors, on the other hand, are prone to idle operation, impacting efficiency and consuming significant energy. This invention provides an inclined coal slurry and water separation device. This device uses an inclined storage tank to directly separate the coal slurry and water, then separately transports and stores the upper water and lower coal slurry for further processing, effectively improving the efficiency of coal slurry sedimentation cleaning and treatment.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] An inclined coal slime and water separation device includes a base, on which two first support blocks, multiple second support blocks, and a water tank are fixedly mounted. Storage tanks are mounted on the multiple second support blocks. The storage tanks are inclined, with a cylinder and inlet pipe at the higher end and a column and outlet pipe at the lower end. The cylinder and column are respectively mounted on the two first support blocks. The end of the cylinder furthest from the storage tank is closed. Both the inlet and outlet pipes are connected to the interior of the storage tank. A drain pipe is installed between the side of the cylinder and the water tank. Coal slime water is transported to the storage tank through the inlet pipe and undergoes sedimentation and separation within the storage tank. The upper layer of clear water overflows into the water tank through the drain pipe. When the lower layer of coal slime in the storage tank reaches a certain amount, it is pumped to a designated location for further processing through the outlet pipe.

[0007] Preferably, the column is rotatably connected to the storage tank, the cylinder is rotatably connected to the storage tank, and multiple rollers are rotatably arranged above each of the second support blocks. The outer side of the rollers contacts the side of the storage tank. The feed pipe extends through the cylinder into the storage tank, and there is a gap between the feed pipe and the inner wall of the cylinder. The discharge pipe extends through the column into the storage tank. A power device is fixedly installed on the base, and a gear is fixedly installed at the output end of the power device. The power device is used to drive the gear to rotate. A gear ring is fixedly sleeved on the outer side of the storage tank. The gear meshes with the gear ring. When discharging the lower layer of coal slurry, the power device drives the storage tank to rotate, so that the coal slurry and residual water are mixed and facilitated for transportation and discharge.

[0008] Preferably, the power unit includes a motor and a reducer, the output end of the motor is connected to the reducer, and the output end of the reducer is connected to a gear.

[0009] Preferably, a support platform is fixedly installed on the base, and a stirring motor is installed on the support platform. The output end of the stirring motor is fixedly connected to a rotating shaft. Both ends of the rotating shaft pass through the storage tank and are parallel to the axis of the storage tank. The rotating shaft is equipped with a spiral blade and a stirring blade located inside the storage tank. The stirring blade is located inside the storage tank and near the outlet end. The rotating shaft is located below the cylinder and column. The discharge pipe is located below the rotating shaft. When discharging the lower layer of coal slime, the stirring motor drives the spiral blade to transport the coal slime to the discharge pipe position. At the same time, it works with the stirring blade to stir and mix the coal slime and residual water, making it easy to transport and discharge.

[0010] Preferably, the feed pipe is provided with a block-dropping mechanism, which includes a connecting cylinder, a screen, and a storage tank. The feed pipe includes a feeding section and a feeding section, which are connected by a connecting cylinder. The diameter of the connecting cylinder is larger than that of the feed pipe. A screen is provided inside the connecting cylinder, and a discharge port is opened on one side of the connecting cylinder. The screen is inclined and its lower end extends to the discharge port. The discharge port is located above the storage tank. Large pieces of coal in the coal slurry are separated by the screen and rolled into the storage tank through the discharge port.

[0011] Preferably, the upper end of the connecting cylinder is connected to an exhaust pipe, through which the gas mixed in the coal slurry water is discharged and collected.

[0012] Preferably, the storage tank is higher than the feeding section, and the lower part of the storage tank has a discharge port. The discharge port is equipped with a filter screen and connected to a conveying pipe. The conveying pipe is connected to the feeding section, and non-large coal slurry and other materials flowing into the storage tank are conveyed to the feeding pipe and then to the storage tank.

[0013] The beneficial effects of this utility model through the above technical solution are as follows:

[0014] 1. This utility model transports coal slurry water into a storage tank, where it settles and separates. The upper layer of clear water overflows through a drain pipe into a water tank for storage and utilization. Subsequently, the lower layer of coal slurry is discharged from the storage tank through an inclined discharge pipe and pumped to a designated location for further processing, thereby achieving the separation of coal slurry and water to facilitate subsequent transportation and processing.

[0015] 2. This utility model uses a power device to drive the gear to rotate, which in turn drives the gear ring meshing with the gear to rotate, thereby driving the storage tank to rotate. This ensures that the coal slurry and residual water remaining in the storage tank are mixed evenly. Subsequently, the coal slurry is discharged from the storage tank through the discharge pipe, ensuring smooth pumping.

[0016] 3. This utility model uses a stirring motor to drive the rotating shaft to rotate, which in turn drives the spiral blades and stirring blades to rotate. The spiral blades and stirring blades ensure that the coal slurry and residual water in the storage tank are mixed evenly. The conveying action of the spiral blades ensures that the coal slurry is discharged from the storage tank through the discharge pipe, and ensures the pumping effect.

[0017] 4. This utility model separates large pieces of coal slurry and other materials from the coal slurry water by using a screen that is inclined inside the connecting cylinder. The materials then roll down from the discharge port into the storage tank along the inclined screen, thus avoiding large pieces of coal and other materials from affecting the subsequent pumping effect and preventing blockage.

[0018] 5. This utility model uses a conveying pipe that is inclinedly connected between the lower end of the storage tank and the feed section of the feed pipe, and a filter screen is installed at the feed end of the conveying pipe. This ensures that large coal pieces and other materials are stored in the storage tank, while allowing coal slurry and other materials entering the storage tank to flow back to the feed pipe through the conveying pipe and be transported to the storage tank for sedimentation and separation. Attached Figure Description

[0019] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model.

[0020] Figure 2 This is a schematic diagram of the structure of Embodiment 2 of this utility model.

[0021] Figure 3 This is a schematic diagram of the block dropping mechanism of this utility model.

[0022] The attached diagram is labeled as follows: 1 is the base, 2 is the first support block, 3 is the second support block, 4 is the water tank, 5 is the storage tank, 6 is the cylinder, 7 is the feed pipe, 8 is the column, 9 is the discharge pipe, 10 is the drain pipe, 11 is the connecting cylinder, 12 is the screen, 13 is the storage barrel, 14 is the discharge port, 15 is the support roller, 16 is the power unit, 17 is the gear, 18 is the gear ring, 19 is the support platform, 20 is the stirring motor, 21 is the rotating shaft, 22 is the spiral blade, 23 is the stirring blade, 24 is the exhaust pipe, and 25 is the conveying pipe. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0024] Example 1:

[0025] like Figures 1-3As shown, this embodiment provides an inclined coal slime and water separation device, including a base 1. Two first support blocks 2, multiple second support blocks 3, and a water tank 4 are fixedly mounted on the base 1. Storage tanks 5 are mounted on the multiple second support blocks 3. The storage tanks 5 are inclined, meaning the height of the multiple second support blocks 3 decreases sequentially, so that the inlet end of the storage tank 5 is higher than the outlet end. The storage tank 5 is supported by the multiple second support blocks 3. A cylinder 6 and an inlet pipe 7 are located at the higher end of the storage tank 5, and a column 8 and an outlet pipe 9 are located at the lower end. Both the inlet pipe 7 and the outlet pipe 9 are connected to the interior of the storage tank 5. The system is connected, and the coal slurry water enters the storage tank 5 through the feed pipe 7. After sedimentation and separation, the coal slurry and other substances are discharged from the storage tank 5 through the discharge pipe 9. The cylinder 6 and the column 8 are respectively set on two first support blocks 2. The first support blocks 2 further ensure the support and installation of the storage tank 5. The end of the cylinder 6 away from the storage tank 5 is closed to prevent the coal slurry water from being discharged from the storage tank 5. A drain pipe 10 is set between the side of the cylinder 6 and the water tank 4. The coal slurry water is separated and precipitated in the storage tank 5. The upper layer of clear water overflows from the cylinder 6 into the drain pipe 10 as the liquid level rises and is transported to the water tank 4 for storage.

[0026] like Figure 3 As shown, the feed pipe 7 is equipped with a block-dropping mechanism, which includes a connecting cylinder 11, a screen 12, and a storage tank 13. The feed pipe 7 includes a feeding section and a feeding section, which are connected by the connecting cylinder 11. The diameter of the connecting cylinder 11 is larger than that of the feed pipe 7. The screen 12 is installed inside the connecting cylinder 11. The coal slurry enters the connecting cylinder 11 from the feeding section and passes through the screen 12. The coal slurry mixture then passes through the screen 12 and enters the feeding section. Large coal pieces and other materials mixed in are separated by the screen 12. A discharge port 14 is opened on one side of the connecting cylinder 11. The screen 12 is inclined and its lower end extends to the discharge port 14. The discharge port 14 is located above the storage tank 13. Large coal pieces and other materials separated from the screen 12 roll down the inclined surface of the upper side of the screen 12, pass through the discharge port 14, and fall into the storage tank 13 for storage and subsequent processing.

[0027] The upper end of the connecting cylinder 11 is connected to an exhaust pipe 24. Various gases mixed in the coal slurry water are transported, collected and processed through the exhaust pipe 24 after entering the connecting cylinder 11.

[0028] The storage tank 13 is higher than the feeding section. The storage tank 13 has a discharge port at the bottom. The discharge port is equipped with a filter screen and connected to a conveying pipe 25. The conveying pipe 25 is connected to the feeding section. During the process of separating large coal pieces and other materials in the coal slurry water by the screen 12, some of the coal slurry water flows into the storage tank 13 along the screen 12 and falls into the lower end of the storage tank 13 through the gaps between the large coal pieces and other materials. Then it passes through the filter screen and flows back to the feeding section of the feeding pipe 7 through the conveying pipe 25. Then it is transported to the storage tank 5 for sedimentation and separation. The filter screen prevents the coal pieces and other materials from clogging the conveying pipe 25.

[0029] Example 2:

[0030] like Figure 1 As shown, the column 8 is rotatably connected to the storage tank 5, and the cylindrical body 6 is rotatably connected to the storage tank 5. Both ends of the storage tank 5 extend end pipes. The column 8 has a cylindrical structure, and both the cylindrical body 6 and the column 8 are rotatably connected to their corresponding end pipes. Multiple rollers 15 are rotatably mounted above each of the second support blocks 3. The outer side of each roller 15 contacts the side of the storage tank 5. The rollers 15 prevent excessive friction between the storage tank 5 and the second support blocks 3 when the storage tank 5 rotates. The feed pipe 7 penetrates the cylindrical body 6 and extends into the storage tank 5. There is a gap between the feed pipe 7 and the inner wall of the cylindrical body 6, allowing the upper layer of clear water after sedimentation and separation in the storage tank 5 to overflow through this gap to the drain pipe 10 and enter the water tank 4. The discharge pipe 9 penetrates the column 8 and extends into the storage tank 5. Neither the feed pipe 7 nor the discharge pipe 9 is affected by the rotation of the storage tank 5. A power unit is fixedly mounted on the base 1. 16. A gear 17 is fixedly installed at the output end of the power device 16. The power device 16 is used to drive the gear 17 to rotate. The power device 16 includes a motor and a reducer. The output end of the motor is connected to the reducer, and the output end of the reducer is connected to the gear 17. A gear ring 18 is fixedly sleeved on the outside of the storage tank 5. The gear 17 meshes with the gear ring 18. After the coal slurry and water are separated by sedimentation in the storage tank 5, the upper layer of clear water continuously enters the water tank 4 through the drain pipe 10. When the lower layer of coal slurry reaches the position of the cylinder 6, the power device 16 is started to drive the gear 17 to rotate, thereby driving the gear ring 18 and the storage tank 5 to rotate. Then, the lower layer of coal slurry and the residual clear water in the storage tank 5 are stirred and mixed to avoid the problem that the lower layer of coal slurry is too viscous and cannot be discharged from the discharge pipe 9. Then, the uniformly mixed coal slurry in the storage tank 5 is pumped to the corresponding position for subsequent processing through the discharge pipe 9.

[0031] Example 3:

[0032] A support platform 19 is fixedly mounted on the base 1. A stirring motor 20 is mounted on the support platform 19. A rotating shaft 21 is fixedly connected to the output end of the stirring motor 20. The rotating shaft 21 passes through the storage tank 5 at both ends and is parallel to the axis of the storage tank 5. A spiral blade 22 and a stirring blade 23 are mounted on the rotating shaft 21, located inside the storage tank 5. The stirring blade 23 is located inside the storage tank 5 and near the outlet end. The rotating shaft 21 is located below the cylinder 6 and the column 8. The discharge pipe 9 is located below the rotating shaft 21 inside the storage tank 5. After the coal slurry is separated by sedimentation, the upper layer of clear water continuously enters the water tank 4 through the drain pipe 10. When the lower layer of coal slurry reaches the position of the cylinder 6, the stirring motor 20 is started. The stirring motor 20 drives the rotating shaft 21 to rotate, and the rotating shaft 21 drives the spiral blades 22 and the stirring blades 23 to rotate. The rotation of the spiral blades 22 and the stirring blades 23 ensures that the lower layer of coal slurry and residual water in the storage tank 5 are mixed evenly. The conveying action of the spiral blades 22 is used to transport the lower layer of coal slurry to a position close to the discharge pipe 9 to ensure the discharge effect of the lower layer of coal slurry.

[0033] It should be noted that the coal slurry water generated during the coal seam punching process is transported to the storage tank 5 through the feed pipe 7 by the slurry pump. Since the slurry pump has a small head, it is not convenient for long-distance transportation. In this solution, the large coal slurry particles in the coal slurry water are separated by a slurry dropping mechanism, and most of the water is separated by sedimentation in the storage tank 5. Then, the separated water can be directly reused or pumped away. After the coal slurry sediment and residual water in the storage tank 5 are mixed evenly, they are transported to a designated location for treatment by the slurry pump (for example, directly to the coal conveyor belt. At this time, the viscosity of the coal slurry is increased, and it can be directly transported by belt conveyor, etc. The large coal slurry particles can be directly processed and transported). This effectively realizes the pretreatment of coal slurry water (i.e., the separation of coal slurry and water) and makes the separation products easy to transport or process.

[0034] The embodiments described above are merely preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the patent claims of this utility model should be included within the scope of the patent application of this utility model.

Claims

1. An inclined coal slime and water separation device, characterized in that, Includes a base (1), on which two first support blocks (2), multiple second support blocks (3) and a water tank (4) are fixedly installed. Storage tanks (5) are installed on the multiple second support blocks (3). The storage tanks (5) are inclined. A cylinder (6) and a feed pipe (7) are installed at the higher end of the storage tank (5), and a column (8) and a discharge pipe (9) are installed at the lower end. The cylinder (6) and the column (8) are respectively installed on the two first support blocks (2). The end of the cylinder (6) away from the storage tank (5) is closed. The feed pipe (7) and the discharge pipe (9) are both connected to the inside of the storage tank (5). A drain pipe (10) is installed between the side of the cylinder (6) and the water tank (4).

2. The inclined coal slime and water separation device according to claim 1, characterized in that, The column (8) is rotatably connected to the storage tank (5), the cylinder (6) is rotatably connected to the storage tank (5), and multiple rollers (15) are rotatably arranged above each second support block (3). The outer side of the roller (15) is in contact with the side of the storage tank (5). The feed pipe (7) penetrates the cylinder (6) and extends into the storage tank (5). There is a gap between the feed pipe (7) and the inner wall of the cylinder (6). The discharge pipe (9) penetrates the column (8) and extends into the storage tank (5). A power device (16) is fixedly arranged on the base (1). A gear (17) is fixedly arranged at the output end of the power device (16). The power device (16) is used to drive the gear (17) to rotate. A gear ring (18) is fixedly sleeved on the outer side of the storage tank (5). The gear (17) meshes with the gear ring (18).

3. The inclined coal slime and water separation device according to claim 2, characterized in that, The power unit (16) includes a motor and a reducer. The output end of the motor is connected to the reducer, and the output end of the reducer is connected to a gear (17).

4. The inclined coal slime and water separation device according to claim 1, characterized in that, A support platform (19) is fixedly installed on the base (1). A stirring motor (20) is installed on the support platform (19). A rotating shaft (21) is fixedly connected to the output end of the stirring motor (20). The two ends of the rotating shaft (21) pass through the storage tank (5) and are parallel to the axis of the storage tank (5). A spiral blade (22) and a stirring blade (23) are installed on the rotating shaft (21) inside the storage tank (5). The stirring blade (23) is located inside the storage tank (5) and is located near the outlet end. The rotating shaft (21) is located below the cylinder (6) and the column (8). The discharge pipe (9) is located below the rotating shaft (21).

5. The inclined coal slime and water separation device according to claim 1, characterized in that, The feed pipe (7) is provided with a block dropping mechanism, which includes a connecting cylinder (11), a screen (12) and a storage tank (13). The feed pipe (7) includes a feeding section and a feeding section, which are connected by the connecting cylinder (11). The diameter of the connecting cylinder (11) is larger than that of the feed pipe (7). The screen (12) is provided inside the connecting cylinder (11). A discharge port (14) is opened on one side of the connecting cylinder (11). The screen (12) is inclined and its lower end extends to the discharge port (14). The discharge port (14) is located above the storage tank (13).

6. The inclined coal slime and water separation device according to claim 5, characterized in that, The upper end of the connecting cylinder (11) is connected to an exhaust pipe (24).

7. The inclined coal slime and water separation device according to claim 5, characterized in that, The storage tank (13) is higher than the feeding section. The storage tank (13) has a discharge port at the bottom. The discharge port is equipped with a filter screen and connected to a conveying pipe (25). The conveying pipe (25) is connected to the feeding section.

Images