Drainage system of coal mine water distribution well
By designing a drainage system for coal mine water distribution wells, using rotary pipes, fan blades, and spiral grooves for mud-water separation, and combining it with flocculant sedimentation, the problem of drainage pump wear caused by impurities in mine water was solved, thereby improving drainage efficiency and equipment lifespan.
Patent Information
- Application Number
- CN202520341809.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In existing coal mine drainage systems, impurities in the mine water cause severe wear on drainage pumps, affecting their efficiency and service life.
A drainage system for coal mine water distribution wells was designed, comprising drainage components and sludge removal components. It utilizes rotating pipes, fan blades, and spiral grooves for mud-water separation, and controls the operation of drainage pumps and sludge removal pumps through a controller. Combined with flocculant precipitation, it accelerates the sedimentation of impurities.
It achieves efficient mud-water separation of mine water, improves drainage and sludge removal efficiency, and extends the service life of the equipment.
Smart Images

Figure CN223676331U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of coal mining, and particularly relates to a coal mine water distribution well drainage system. BACKGROUND
[0002] In underground coal mine operation production, water from various sources continuously flows into the mine. The mine water accumulates in the roadway, not only affects production, but also threatens the health and safety of underground workers. Therefore, the task of mine drainage equipment is to timely discharge the mine water to the ground, to create a good working environment for underground production, and to ensure the safe work of underground workers and the good operation of mechanical and electrical equipment.
[0003] The existing drainage system includes a pump house and a water distribution well, the water distribution well is connected with a water sump, generally including one pump and one water distribution well, and the pump and the water distribution well are set according to the drainage capacity requirement; however, the conventional drainage system has the following disadvantages in use, for example, there are many impurities and suspended matters in the mine water, some impurities in the water entering the water distribution well, the impurities are generally directly discharged outward through the drainage pump, and the drainage pump is abraded after long time work, thereby affecting the working efficiency and service life of the drainage pump.
[0004] Therefore, it is necessary to design a new coal mine water distribution well drainage system to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at the shortage of prior art, and provides a coal mine water distribution well drainage system, and the specific scheme is as follows:
[0006] A coal mine water distribution well drainage system, including water distribution well and water warehouse, the water distribution well, water warehouse is communicated through the connecting channel, the connecting channel is equipped with electric control valve, the top of water distribution well is equipped with pump house, the side wall of pump house is equipped with discharge channel;The pump house is equipped with drainage assembly, the drainage assembly includes the cylindrical shell fixed in the top of water distribution well, the axis position of shell is through and rotates and is equipped with the bottom closed rotating pipe, the bottom of rotating pipe extends to water distribution well, the side wall of shell is equipped with water inlet, the direction of water inlet deviates the axis of shell, the top of shell is equipped with drainage port, the rotating pipe in shell is also equipped with multiple fan blades, the top of shell is equipped with drainage pump, the inlet of drainage pump is connected with the top of rotating pipe through rotary joint, the outlet of drainage pump is connected with the water inlet through the connecting pipe;The rotating pipe in water distribution well is equipped with multiple paddles and multiple branch pipes connected with the rotating pipe, the branch pipe is equipped with multiple water inlets;The drainage port is connected with one end of the drainage pipe, the drainage pipe extends to the outside along the discharge channel;The water distribution well is equipped with a water guide cover, the water guide cover is equipped with a spiral groove;The bottom of the water distribution well is equipped with a mud outlet, the mud outlet is connected with the inlet of the mud pump arranged outside the water distribution well, the outlet of the mud pump is connected with one end of the mud pipe, the other end of the mud pipe extends to the outside along the discharge channel, the discharge channel is equipped with an anti-seismic hanger for fixing the drainage pipe and the mud pipe;The drainage pump and the mud pump are electrically connected with the controller.
[0007] Based on the above, the top of the water distribution well is provided with a liquid level meter, and the bottom of the water distribution well is provided with a mud level meter, both of which are electrically connected with the controller.
[0008] Based on the above, the anti-seismic hanger includes a square-shaped hanger rod, the top of the hanger rod is provided with a mounting plate, the mounting plate is provided with multiple positioning bolts, the side wall of the hanger rod is provided with two positioning assemblies for fixing the drainage pipe and the mud pipe respectively;The positioning assembly includes a positioning frame fixedly connected with the hanger rod, the positioning frame is screwed with a butterfly bolt, one end of the butterfly bolt is connected with a pressing plate through a rotary joint.
[0009] Based on the above, the side of the pressing plate close to the drainage pipe or the mud pipe is provided with a rubber skin.
[0010] Based on the above, the top of the water distribution well is provided with a storage tank for storing flocculants, the bottom of the storage tank is provided with a liquid outlet extending to the water distribution well, and the liquid outlet is provided with an electromagnetic valve electrically connected with the controller.
[0011] The utility model discloses relative to prior art has substantial characteristics and progress, specifically speaking, the utility model has the following advantages:
[0012] The coal mine water distribution well drainage system provided by the utility model is convenient for adding medicine to the mine water in the water distribution well for precipitation, and carries out sludge-water separation, and can also discharge the sludge and water in the water distribution well respectively, which can not only ensure the drainage and sludge discharge efficiency, but also ensure the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is the overall structure schematic diagram of the utility model.
[0014] Figure 2 is Figure 1 is the structure schematic diagram of A in the figure.
[0015] Figure 3 is the local cooperation structure schematic diagram of the utility model.
[0016] In the figure: 1. water distribution well; 2. water bin; 3. water guide cover; 4. connecting channel; 5. electric control valve; 6. pump house; 7. discharge channel; 8. spiral groove; 9. storage tank; 10. electromagnetic valve; 11. shell; 12. rotating pipe; 13. water inlet; 14. fan blade; 15. water outlet; 16. drainage pump; 17. communication pipe; 18. drain pipe; 19. sludge discharge pump; 20. sludge discharge pipe; 21. anti-vibration hanger; 21-1. suspender; 21-2. mounting plate; 21-3. positioning bolt; 21-4. positioning frame; 21-5. butterfly bolt; 21-6. rotary joint; 21-7. extrusion plate; 22. controller; 23. liquid level meter; 24. sludge level meter. DETAILED DESCRIPTION
[0017] The technical scheme of the utility model will be described in further detail by specific embodiments. EMBODIMENT
[0018] As Figures 1-3The utility model provides a kind of coal mine water distribution well drainage system, including water distribution well 1 and water sump 2, the water distribution well 1, water sump 2 are communicated by connecting passage 4, electric control valve 5 is equipped at connecting passage 4, the top of water distribution well 1 is equipped with pump house 6, the side wall of pump house 6 is equipped with discharge passage 7;Drainage assembly is equipped in pump house 6, and the drainage assembly includes the cylindrical shell 11 fixed in the top of water distribution well 1, the axis position of shell 11 is penetrated and is equipped with the bottom end closed rotating pipe 12, the bottom end of rotating pipe 12 extends to water distribution well 1, the side wall of shell 11 is equipped with water inlet 13, the axis of water inlet 13 deviates shell 11, the top of shell 11 is equipped with drain port 15, rotating pipe 12 in shell 11 is also equipped with multiple fan blades 14, shell 11 is equipped with drainage pump 16 above, the inlet of drainage pump 16 is connected with rotating joint 21-6 at the top of rotating pipe 12, and the outlet of drainage pump 16 is connected with water inlet 13 by communicating pipe 17;Multiple oars and multiple branch pipes communicated with rotating pipe 12 are equipped on rotating pipe 12 in water distribution well 1, and multiple water inlets are equipped on branch pipe;Drain port 15 is connected with one end of drain pipe 18, and drain pipe 18 extends to outside along discharge passage 7;Water guide cover 3 is equipped in water distribution well 1, and spiral groove 8 is equipped on water guide cover 3;The bottom of water distribution well 1 is equipped with mud outlet, and the inlet of mud pump 19 arranged outside water distribution well 1 is connected with mud outlet, the outlet of mud pump 19 is connected with one end of mud pipe 20, and the other end of mud pipe 20 extends to outside along discharge passage 7, and anti-seismic hanger 21 for fixing drain pipe 18 and mud pipe 20 is equipped in discharge passage 7;Drainage pump 16 and mud pump 19 are electrically connected with controller 22.
[0019] For the convenience of monitoring water level and mud level in water distribution well 1, so as to open drainage pump 16 or mud pump 19 in time, the top of above-mentioned water distribution well 1 is equipped with liquid level meter 23, and the bottom of water distribution well 1 is equipped with mud level meter 24, and liquid level meter 23 and mud level meter 24 are electrically connected with controller 22.
[0020] Above-mentioned anti-seismic hanger 21 includes the suspender 21-1 of square section, the top of suspender 21-1 is equipped with mounting plate 21-2, multiple positioning bolts 21-3 are equipped on mounting plate 21-2, and the side wall of suspender 21-1 is equipped with two positioning assemblies for fixing drain pipe 18 and mud pipe 20 respectively;The positioning assembly includes the positioning frame 21-4 fixedly connected with suspender 21-1, butterfly bolt 21-5 is screwed on positioning frame 21-4, and one end of butterfly bolt 21-5 is connected with extrusion plate 21-7 through rotating joint 21-6.
[0021] In order to prevent the damage of the drain pipe 18 and the sludge pipe 20, rubber skins are arranged on the side of the extrusion plate 21-7 close to the drain pipe 18 or the sludge pipe 20.
[0022] In order to accelerate the sedimentation efficiency of the impurities in the mine water, a storage tank 9 for storing flocculants is arranged on the top of the distribution well 1, the bottom of the storage tank 9 is provided with a liquid outlet extending to the distribution well 1, and an electromagnetic valve 10 electrically connected with the controller 22 is arranged at the liquid outlet.
[0023] The specific working principle of the utility model is as follows: first, the water level threshold when the water pump 16 works and the sludge level threshold when the sludge pump 19 works are set by the controller 22.
[0024] In the normal state, the controller 22 opens the electric control valve 5, the water level in the water sump 2 reaches the position of the connecting channel 4 and enters the distribution well 1, when the water level in the distribution well 1 reaches the maximum of the water level threshold, the controller 22 starts the water pump 16, the water in the distribution well 1 enters the branch pipe through the water inlet hole, then enters the rotating pipe 12, and then enters the shell 11 through the water pump 16 and the connecting pipe, the water flow impacts on the fan blade 14, so that the rotating pipe 12 rotates, then the water flow is discharged from the water outlet 15 and is discharged to the outside through the drain pipe 18, when the rotating pipe 12 rotates, the paddle agitates the water flow, and the impurities in the water enter the bottom of the distribution well 1 along the spiral groove 8, when the water level is lower than the minimum value of the water level threshold, the controller 22 closes the water pump 16.
[0025] In addition, it should be noted that when the controller 22 starts the water pump 16 to work, the electromagnetic valve 10 at the bottom of the storage tank 9 is also opened, the medicament is dropped into the distribution well 1 and mixed with the water to accelerate the sedimentation of the impurities in the water, and when the controller 22 closes the water pump 16 to work, the electromagnetic valve 10 is also closed.
[0026] When the sludge level in the distribution well 1 is higher than the sludge level threshold determined by the controller 22, the controller 22 starts the sludge level meter 24, the sludge in the distribution well 1 enters the sludge pump 19 through the sludge outlet, and then is discharged to the outside through the sludge pipe 20, and when the sludge level in the distribution well 1 is lower than the sludge level threshold determined by the controller 22, the controller 22 closes the sludge level meter 24.
[0027] When the distribution well 1 or the equipment needs to be overhauled, the controller 22 closes the electric control valve 5 to prevent the water in the water sump 2 from entering the distribution well 1.
[0028] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model and not to limit it; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific implementation of the utility model can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical scheme of the utility model, they should be covered in the technical scheme range of the utility model claimed in the utility model.
Claims
1. A coal mine water distribution well drainage system, characterised in that: The utility model provides a water distribution well (1) and water sump (2) including, water distribution well (1), water sump (2) are communicated through connecting channel (4), be equipped with electric control valve (5) at connecting channel (4) place, the top of water distribution well (1) is equipped with pump house (6), the lateral wall of pump house (6) is equipped with discharge channel (7), be equipped with drainage assembly in pump house (6), drainage assembly includes the cylindrical shell (11) of fixedly arranged in water distribution well (1) top, the axis position of shell (11) is through and is equipped with the bottom end closed rotating pipe (12) rotation, the bottom end of rotating pipe (12) extends to water distribution well (1) inside, the lateral wall of shell (11) is equipped with water inlet (13), the water inlet (13) is towards and deviates from the axis of shell (11), the top of shell (11) is equipped with drain outlet (15), still be equipped with multiple fan blade (14) on rotating pipe (12) in shell (11), the top of shell (11) is equipped with drainage pump (16), the import of drainage pump (16) is connected with rotating pipe (12) top end through swivel joint (21-6), and the outlet of drainage pump (16) is connected with water inlet (13) through communicating pipe (17), be equipped with multiple oar blade and multiple branch pipes that communicate with rotating pipe (12) on rotating pipe (12) in water distribution well (1), be equipped with multiple water inlets on branch pipe, drain outlet (15) is connected with one end of drain pipe (18), and drain pipe (18) extends to outside along discharge channel (7), be equipped with water guide cover (3) in water distribution well (1), be equipped with spiral groove (8) on water guide cover (3), the bottom of water distribution well (1) is equipped with sludge outlet, and the import of sludge pump (19) arranged in water distribution well (1) outside is connected with sludge outlet, and the outlet of sludge pump (19) is connected with one end of sludge pipe (20), and the other end of sludge pipe (20) extends to outside along discharge channel (7), be equipped with anti -seismic hanger (21) for fixing drain pipe (18), sludge pipe (20) in discharge channel (7), drainage pump (16), sludge pump (19) are electrically connected with controller (22).
2. The coal mine water distribution sump drainage system of claim 1, wherein: The top of water distribution well (1) is equipped with liquid level meter (23), and the bottom of water distribution well (1) is equipped with mud level meter (24), and the liquid level meter (23), mud level meter (24) are electrically connected with controller (22).
3. The coal mine water distribution well drainage system of claim 1, wherein: The anti -seismic hanger (21) includes the suspender (21-1) of square section, the top of suspender (21-1) is equipped with mounting plate (21-2), be equipped with multiple location bolts (21-3) on mounting plate (21-2), and the lateral wall of suspender (21-1) is equipped with two respectively for fixing drain pipe (18), sludge pipe (20) location assembly, the location assembly includes the location frame (21-4) of fixed connection with suspender (21-1), the butterfly bolt (21-5) of screwing is provided on location frame (21-4), and one end of butterfly bolt (21-5) is connected with extrusion plate (21-7) through swivel joint (21-6).
4. The coal mine water distribution and drainage system of claim 3, wherein: The extrusion plate (21-7) is provided with rubber skin near one side of the drain pipe (18) or the sludge pipe (20).
5. The coal mine water distribution well drainage system of claim 1, wherein: The top of the distribution well (1) is provided with a storage tank (9) for storing flocculants, the bottom of the storage tank (9) is provided with a liquid outlet extending to the distribution well (1), and the liquid outlet is provided with an electromagnetic valve (10) electrically connected with the controller (22).