Coal slime water treatment device for floor drainage roadway crossing drilling and punching

Abstract

The utility model belongs to the technical field of coal mines, and particularly relates to an underfloor drainage roadway layer-crossing drilling and punching slime water treatment device which comprises nylon flame-retardant blowout prevention devices, feeding ends of the nylon flame-retardant blowout prevention devices are arranged in drill holes, the number of the nylon flame-retardant blowout prevention devices is multiple, and the feeding ends of the nylon flame-retardant blowout prevention devices are communicated with the drill holes. The number of the nylon flame-retardant blowout prevention devices is matched with that of the drill holes; the solid-gas separation devices are communicated with the discharging ends of the nylon flame-retardant blowout prevention devices, the number of the solid-gas separation devices is matched with that of the nylon flame-retardant blowout prevention devices, and the solid-gas separation devices are used for separating gas generated by drilling; the solid-liquid separation device is communicated with the discharge ends of the plurality of solid-gas separation devices and is used for separating waste water generated by drilling into slag and slurry; and the mud-water separation device is communicated with the discharge end of the solid-liquid separation device and is used for carrying out solid-liquid separation on the mud to generate clear water. Through operation of the device, gas and solid waste generated by drilling are separated, the situation that a bottom plate rises due to the fact that the gas falls into the bottom of a roadway is avoided, and meanwhile water resources are utilized.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mines, and particularly relates to a device for treating coal slime water in cross - layer boreholes of bottom drainage roadways. Background Art

[0002] At present, during the construction of hydraulic punching in the bottom drainage roadway, each drilling rig is equipped with a set of processed iron coal ponds and blowout prevention boxes. The coal slime water from punching flows into the coal pond through the blowout prevention box for sedimentation. After manually measuring the coal powder in the coal pond, the coal powder is manually cleaned onto the belt for transportation again. The remaining coal slime water flows into the fixed pump pit through the temporary drainage ditch in the roadway, and then is discharged to the main intake and return air roadway ditches of the mining area through a submersible pump and converges into the mining area pump house.

[0003] When the coal slime water flows in the roadway, due to the sedimentation of coal slime, on the one hand, it will cause waste, and on the other hand, it will deposit in the temporary drainage ditch of the roadway, causing the bottom to rise. A large amount of manpower will be required for cleaning in the later stage. The overall material cost and labor cost invested in the work are relatively high, and the labor intensity of workers is also large. Therefore, there is an urgent need for a device for treating coal slime water in cross - layer boreholes of bottom drainage roadways to solve this problem. Content of the Utility Model

[0004] The purpose of the utility model is to provide a device for treating coal slime water in cross - layer boreholes of bottom drainage roadways to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following scheme:

[0006] A device for treating coal slime water in cross - layer boreholes of bottom drainage roadways, comprising:

[0007] A nylon flame - retardant blowout prevention device, the feeding end of which is arranged in the borehole. There are multiple nylon flame - retardant blowout prevention devices, and the number of nylon flame - retardant blowout prevention devices matches the number of boreholes;

[0008] A gas - solid separation device, which is communicated with the discharging end of the nylon flame - retardant blowout prevention device. The number of gas - solid separation devices matches the number of nylon flame - retardant blowout prevention devices, and is used for separating the gas generated from the borehole;

[0009] A solid - liquid separation device, which is communicated with the discharging ends of several gas - solid separation devices, and is used for separating the wastewater generated from the borehole into slag and slurry;

[0010] A mud - water separation device, which is communicated with the discharging end of the solid - liquid separation device, and is used for solid - liquid separation of the slurry to generate clear water, and the generated clear water is used for borehole operation.

[0011] Preferably, the solid-gas separation device includes a solid-liquid separation blowout prevention box which is inclined. The high end of the solid-liquid separation blowout prevention box is communicated with the discharge end of the nylon flame-retardant blowout prevention device. The bottom end of the solid-liquid separation blowout prevention box is communicated with a waste pool, and a gas drainage port is communicated with the side wall of the solid-liquid separation blowout prevention box;

[0012] A pumping part is arranged in the waste pool. The feed end of the pumping part is communicated with the waste pool, and the discharge end of the pumping part is communicated with the feed end of the solid-liquid separation device.

[0013] Preferably, the pumping part includes a remote transfer pump. The feed end of the remote transfer pump is communicated with the waste pool, and the discharge end of the remote transfer pump is communicated with the solid-liquid separation device.

[0014] Preferably, the solid-liquid separation device includes a hydrocyclone. The feed end of the hydrocyclone is communicated with the discharge ends of a plurality of the remote transfer pumps, and the plurality of remote transfer pumps are arranged in parallel;

[0015] The solid discharge end of the hydrocyclone is communicated with the feed end of a vibrating screen section, and the liquid discharge end of the hydrocyclone is communicated with a sewage pool;

[0016] The solid discharge end of the vibrating screen section is communicated with a weighing part;

[0017] The liquid discharge end of the vibrating screen section is communicated with the sewage pool;

[0018] The feed end of a slurry pumping part is arranged in the sewage pool, and the discharge end of the slurry pumping part is communicated with the feed end of the sludge-water separation device.

[0019] Preferably, the vibrating screen section includes a vibrating screen which is located below the solid discharge end of the hydrocyclone. One end of the solid discharge of the vibrating screen is communicated with the weighing part, and one end of the liquid discharge of the vibrating screen is communicated with the sewage pool.

[0020] Preferably, the weighing part includes a metering device which is located below the solid discharge end of the vibrating screen.

[0021] Preferably, the slurry pumping part includes a slurry pump. The feed end of the slurry pump is located in the sewage pool, and the discharge end of the slurry pump is communicated with the sludge-water separation device.

[0022] Preferably, the sludge-water separation device includes a filter press. The feed end of the filter press is communicated with the discharge end of the slurry pump, and the liquid outlet end of the filter press is communicated with a clean water pool.

[0023] Compared with the prior art, the utility model has the following advantages and technical effects:

[0024] In use, the drill first makes a hole. After the hole is completed, a nylon flame-retardant blowout prevention device is installed in the hole. Subsequently, drilling starts. When drilling, a mixture of gas, water, coal, etc. flows out from the coal seam and is discharged to the corresponding solid-gas separation device by the nylon flame-retardant blowout prevention device. The solid-gas separation device first separates the gas and coal coarse particles larger than 25 mm in the generated materials, and the remaining waste enters the solid-liquid separation device. Sewage and solid slag are generated in the solid-liquid separation device. The sewage enters the mud-water separation device to separate and produce clean water, which can be used for drilling by the drill. Through the operation of this device, the gas and solid waste generated by the drilling are separated, avoiding the bottom plate from rising due to falling to the bottom of the roadway, and at the same time realizing the utilization of water resources. Brief Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:

[0026] Figure 1 It is a schematic structural diagram of the present invention;

[0027] Figure 2 It is a schematic structural diagram of Embodiment 2 of the present invention;

[0028] Among them, 1. Nylon flame-retardant blowout prevention device; 2. Solid-liquid separation blowout prevention box; 3. Gas drainage port; 4. Remote transfer pump; 5. Hydrocyclone; 6. Vibrating screen; 7. Measuring device; 8. Sewage tank; 9. Slurry pump; 10. Filter press; 11. Clear water tank; 501. Hydrocyclone cylinder; 502. Feed pipe; 503. Feed inlet; 504. Outer cylinder; 505. Clean water outflow cylinder; 506. Leak hole; 507. Conical filter screen frame; 508. Filter screen; 509. Outflow hole; 510. Mud discharge hole; 511. Electromagnetic ring; 512. Mixing chamber; 513. Magnetic flocculant storage chamber; 514. Second filter screen. Detailed Embodiments

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0030] In order to make the above-mentioned objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0031] Example 1:

[0032] Referring to Figure 1 , this embodiment discloses a coal slime water treatment device for cross - layer drilling in the bottom - extraction roadway, including:

[0033] A nylon flame - retardant anti - spray device 1, the feed end of the nylon flame - retardant anti - spray device 1 is arranged in the drill hole, there are multiple nylon flame - retardant anti - spray devices 1, and the number of nylon flame - retardant anti - spray devices 1 matches the number of drill holes;

[0034] A gas - solid separation device, which is communicated with the discharge end of the nylon flame - retardant anti - spray device 1, and the number of gas - solid separation devices matches the number of nylon flame - retardant anti - spray devices 1, and is used to separate the gas generated by the drill hole;

[0035] A solid - liquid separation device, which is communicated with the discharge ends of several gas - solid separation devices, and is used to separate the waste water generated by the drill hole into slag and slurry;

[0036] A mud - water separation device, which is communicated with the discharge end of the solid - liquid separation device, and is used to separate the slurry into solid and liquid to generate clear water, and the generated clear water is used for drill hole operation.

[0037] During use, the drill first opens a hole. After the hole opening is completed, the nylon flame - retardant anti - spray device 1 is installed in the hole, and then drilling starts. When drilling, a mixture of gas, water, coal (rock), etc. flows out from the coal seam and is discharged by the nylon flame - retardant anti - spray device 1 into the corresponding gas - solid separation device. The gas - solid separation device first separates the gas and coal (rock) coarse particles larger than 25 mm in the generated materials, and the remaining waste materials enter the solid - liquid separation device. In the solid - liquid separation device, sewage and solid slag are generated. The sewage enters the mud - water separation device to separate and generate clear water, and the clear water can be used for drilling by the drill. Through the operation of this device, the gas and solid waste generated by the drill hole are separated, avoiding falling to the bottom of the roadway and causing the floor to rise, and at the same time realizing the utilization of water resources.

[0038] In a further optimized solution, the gas - solid separation device includes a solid - liquid separation anti - spray box 2. The solid - liquid separation anti - spray box 2 is inclined, the high - end of the solid - liquid separation anti - spray box 2 is communicated with the discharge end of the nylon flame - retardant anti - spray device 1, the bottom end of the solid - liquid separation anti - spray box 2 is communicated with a waste material pool, and a gas drainage port 3 is communicated with the side wall of the solid - liquid separation anti - spray box 2;

[0039] A pumping part is arranged in the waste material pool. The feed end of the pumping part is communicated with the waste material pool, and the discharge end of the pumping part is communicated with the feed end of the solid - liquid separation device.

[0040] In a further optimized solution, the pumping part includes a remote transfer pump 4. The feed end of the remote transfer pump 4 is communicated with the waste material pool, and the discharge end of the remote transfer pump 4 is communicated with the solid - liquid separation device.

[0041] The solid-liquid separation blowout prevention box 2 is connected to the discharge end of the nylon flame-retardant blowout prevention device 1. The solid-liquid separation blowout prevention box 2 is inclined. The high end of the solid-liquid separation blowout prevention box 2 is connected to the discharge end of the nylon flame-retardant blowout prevention device 1. After the gas and solid waste generated by drilling in the nylon flame-retardant blowout prevention device 1 move into the solid-liquid separation blowout prevention box 2, the gas accumulates at the high end of the solid-liquid separation blowout prevention box 2. A gas drainage port 3 is opened on the outer wall of the high end of the solid-liquid separation blowout prevention box 2, and the gas can be discharged from the gas drainage port 3 to achieve the first-stage separation.

[0042] In the middle of the inner side of the solid-liquid separation blowout prevention box 2, a filter screen with a pore diameter of 25 mm is provided to filter out coal (rock) coarse particles larger than 25 mm, achieving the second-stage separation to prevent the coarse particles from blocking the pipeline. The particles smaller than 25 mm enter the waste pool together with the water through the discharge port provided at the low end of the solid-liquid separation blowout prevention box 2. The remote transfer pump 4 provided in the waste pool pumps the wastewater containing coal (rock) particles into the solid-liquid separation device.

[0043] In a further optimized solution, the solid-liquid separation device includes a hydrocyclone 5. The feed end of the hydrocyclone 5 is connected to the discharge ends of a number of remote transfer pumps 4. A number of remote transfer pumps 4 are arranged in parallel;

[0044] The solid discharge end of the hydrocyclone 5 is connected to the feed end of the vibrating screen section. The liquid discharge end of the hydrocyclone 5 is connected to a sewage tank 8;

[0045] The solid discharge end of the vibrating screen section is connected to a weighing section;

[0046] The liquid discharge end of the vibrating screen section is connected to the sewage tank 8;

[0047] The feed end of a slurry pump section is provided in the sewage tank 8. The discharge end of the slurry pump section is connected to the feed end of the mud-water separation device.

[0048] In a further optimized solution, the vibrating screen section includes a vibrating screen 6. The vibrating screen 6 is located below the solid discharge end of the hydrocyclone 5. One end of the solid discharge of the vibrating screen 6 is connected to the weighing section. One end of the liquid discharge of the vibrating screen 6 is connected to the sewage tank 8.

[0049] In a further optimized solution, the weighing section includes a metering device 7. The metering device 7 is located below the solid discharge end of the vibrating screen 6.

[0050] The feed end of the hydrocyclone 5 is connected to the discharge end of the remote transfer pump 4. Water is replenished in the waste pool. The remote transfer pump 4 transports through a Φ65 mm delivery pipe to the hydrocyclone 5 above the designated belt conveyor for partial separation of water and coal.

[0051] The wastewater containing coal (rock) particles undergoes solid-liquid separation in the hydrocyclone 5 to achieve water-coal separation. The liquid enters the sewage tank 8, and the generated solid waste falls onto the vibrating screen 6 to achieve the third-stage separation.

[0052] The fourth - stage separation is achieved by vibrating the vibrating screen 6, discharging the coarser pulverized coal onto the metering device 7 by vibration, and weighing it by the metering device 7. When the weight in the measuring hopper of the metering device 7 reaches 0.4 cubic meters, the material in the metering device 7 is automatically dumped onto the belt conveyor arranged at the discharge end of the metering device 7 for transportation, and this part of the slag is transported out. The weight of the metering device 7 returns to zero and re - measures.

[0053] In a further optimized solution, the slurry pumping section includes a slurry pump 9. The feed end of the slurry pump 9 is located in the sewage tank 8, and the discharge end of the slurry pump 9 is connected to the mud - water separation device.

[0054] In a further optimized solution, the mud - water separation device includes a filter press 10. The feed end of the filter press 10 is connected to the discharge end of the slurry pump 9, and the liquid outlet end of the filter press 10 is connected to a clean water tank 11.

[0055] The fine - particle coal slurry water filtered out by the vibrating screen 6 enters the dedicated sewage tank 8 for the next - stage fine coal sludge filtration.

[0056] The vibrating screen 6 vibrates to discharge the wastewater containing fine - particle coal sludge into the sewage tank 8. The sewage in the sewage tank 8 is pumped into the filter press 10 by the slurry pump 9 for mud pressure filtration to achieve the fifth - stage separation. After each filter press 10 filters 1.5 cubic meters of fine coal sludge in one cycle, it is automatically unloaded onto the belt conveyor and transported away. The generated clean water enters the clean water tank 11. This part of the clean water can be used for drilling, reducing water resource waste.

[0057] Embodiment 2:

[0058] Reference Figure 2 In this embodiment, the difference from Embodiment 1 is that the hydrocyclone 5 includes a cyclone cylinder 501. An inlet port 503 is provided on the top side wall of the cyclone cylinder 501. The water outlet direction of the inlet port 503 is tangent to the cyclone cylinder 501, and the inlet port 503 is connected to a feed pipe 502;

[0059] The bottom of the cyclone cylinder 501 is provided with a mud outlet 510. An outer cylinder 504 is coaxially and fixedly connected to the top of the mud outlet 510. A clean - water outflow cylinder 505 is coaxially and fixedly connected to the middle part inside the outer cylinder 504. A conical filter - screen frame 507 is coaxially and fixedly connected to the bottom inside the outer cylinder 504. The top of the conical filter - screen frame 507 is the small - diameter end, and a filter screen 508 is coaxially and fixedly connected inside the top of the conical filter - screen frame 507;

[0060] A magnetic flocculant storage cavity 513 is formed between the inner wall of the outer cylinder 504 and the outer wall of the purified water outflow cylinder 505. A mixing cavity 512 is formed between the bottom of the purified water outflow cylinder 505 and the frustum-shaped filter screen frame 507. The magnetic flocculant storage cavity 513 and the mixing cavity 512 are communicated through a plurality of leakage holes 506. The plurality of leakage holes 506 are circumferentially and equally spaced at the bottom of the purified water outflow cylinder 505. The purified water outflow cylinder 505 is communicated with the mixing cavity 512. A plurality of outflow holes 509 are circumferentially and equally spaced on the side wall at the bottom of the mixing cavity 512. The outflow holes 509 are communicated with the inside of the cyclone cylinder 501. The bottom of the frustum-shaped filter screen frame 507 is communicated with the inside of the cyclone cylinder 501. The top of the frustum-shaped filter screen frame 507 is communicated with the mixing cavity 512 through a filter screen 508. A second filter screen 514 is coaxially and fixedly connected inside the water inlet end of the purified water outflow cylinder 505. The pore size of the second filter screen 514 is smaller than that of the filter screen 508;

[0061] A plurality of electromagnetic rings 511 are coaxially embedded at the bottom of the cyclone cylinder 501. The plurality of electromagnetic rings 511 are located above the sludge discharge holes 510.

[0062] During use, when the coal slime-containing sewage enters the cyclone cylinder 501 from the feed pipe 502 through the feed port 503 in a tangential direction, larger particulate matters will be discharged from the sludge discharge holes 510 under the cyclone separation effect. The clear water and smaller particulate matters will rise under the cyclone action, pass through the frustum-shaped filter screen frame 507, the filter screen 508 and the second filter screen 514 in sequence, and then the purified water is discharged from the water outlet end of the purified water outflow cylinder 505. When passing through the filter screen 508, the particulate matters that cannot pass through the filter screen 508 are blocked, and the remaining water and particulate matters enter the mixing cavity 512. After re-filtering through the second filter screen 514, more particulate matters with smaller particle sizes stay in the mixing cavity 512. By adding magnetic flocculant into the magnetic flocculant storage cavity 513, the magnetic flocculant slowly flows into the mixing cavity 512 through each leakage hole 506, and flocculates with the smaller particulate matters in the mixing cavity 512. As the flocs increase, they fall onto the frustum-shaped filter screen frame 507 under the action of gravity and move along the side wall of the frustum-shaped filter screen frame 507 until they flow into the cyclone cylinder 501 through the outflow holes 509, and continue to flocculate in the cyclone cylinder 501. The flocs with larger mass are discharged from the sludge discharge holes 510. When performing cyclone separation again, the electromagnetic rings 511 can be started to attract the flocs composed of magnetic flocculant, thereby accelerating the effect of mud-water separation.

[0063] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0064] The embodiments described above are only for describing the preferred mode of the present utility model, and do not limit the scope of the present utility model. Without departing from the design spirit of the present utility model, various deformations and improvements made by those of ordinary skill in the art to the technical solution of the present utility model shall fall within the protection scope determined by the claims of the present utility model.

Claims

1. Bottom pumping tunnel through-layer drilling and punching coal slurry water treatment device, characterized in that: include: A nylon flame retardant blowout prevention device (1), wherein the feed end of the nylon flame retardant blowout prevention device (1) is arranged in a drill hole, a plurality of the nylon flame retardant blowout prevention devices (1) are provided, and the number of the nylon flame retardant blowout prevention devices (1) matches the number of drill holes; A solid-gas separation device, connected to the discharge end of the nylon flame retardant and blowout prevention device (1), the solid-gas separation device and the nylon flame retardant and blowout prevention device (1) being matched in number, and used for separating the gas generated by drilling; A solid-liquid separation device, connected to the discharge ends of the solid-gas separation devices, for separating the waste water generated by drilling into slag and mud; A mud-water separation device is connected to the discharge end of the solid-liquid separation device and is used to separate the mud from the solid and liquid to produce clean water, and the produced clean water is used for drilling; The solid-gas separation device comprises a solid-liquid separation blowout prevention box (2), the solid-liquid separation blowout prevention box (2) is arranged obliquely, the upper end of the solid-liquid separation blowout prevention box (2) is connected to the discharge end of the nylon flame retardant blowout prevention device (1), the lower end of the solid-liquid separation blowout prevention box (2) is connected to a waste material pool, and the side wall of the solid-liquid separation blowout prevention box (2) is connected to a gas extraction port (3); A pumping part is provided in the waste pool, a feeding end of the pumping part is communicated with the waste pool, and a discharging end of the pumping part is communicated with a feeding end of the solid-liquid separation device.

2. The bottom extraction tunnel through-layer drilling and punching coal sludge water treatment device according to claim 1 is characterized by: The pumping unit comprises a remote delivery pump (4), the feed end of the remote delivery pump (4) is connected to the waste material pool, and the discharge end of the remote delivery pump (4) is connected to the solid-liquid separation device.

3. The bottom extraction tunnel through-layer drilling and punching coal slurry water treatment device according to claim 2 is characterized by: The solid-liquid separation device comprises a cyclone (5), the feed end of the cyclone (5) is connected to the discharge ends of a plurality of remote delivery pumps (4), and the plurality of remote delivery pumps (4) are arranged in parallel; The solid discharge end of the cyclone (5) is connected to the feed end of the vibrating screening unit, and the liquid discharge end of the cyclone (5) is connected to the sewage pool (8); The solid discharging end of the vibrating screening section is connected to a weighing section; The liquid discharge end of the vibrating screening section is in communication with the sewage pool (8); The sewage pool (8) is provided with a feed end of a slurry pumping unit, and the discharge end of the slurry pumping unit is connected to the feed end of the mud-water separation device.

4. The bottom extraction tunnel through-layer drilling and punching coal sludge water treatment device according to claim 3 is characterized by: The vibrating screening section comprises a vibrating screen (6), wherein the vibrating screen (6) is located below the solid discharge end of the cyclone (5), the solid discharge end of the vibrating screen (6) is connected to the weighing section, and the liquid discharge end of the vibrating screen (6) is connected to the sewage pool (8).

5. The bottom extraction tunnel through-layer drilling and punching coal sludge water treatment device according to claim 4 is characterized by: The weighing part comprises a metering device (7), and the metering device (7) is located below the solid discharge end of the vibrating screen (6).

6. The bottom extraction tunnel through-layer drilling and punching coal sludge water treatment device according to claim 3 is characterized by: The slurry pumping unit comprises a slurry pump (9), the feed end of the slurry pump (9) is located in the sewage pool (8), and the discharge end of the slurry pump (9) is connected to the mud-water separation device.

7. The bottom extraction tunnel through-layer drilling and punching coal slurry water treatment device according to claim 6 is characterized by: The mud-water separation device comprises a filter press (10), the feed end of the filter press (10) is connected to the discharge end of the slurry pump (9), and the liquid discharge end of the filter press (10) is connected to a clear water tank (11).

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