CN211038736U

CN211038736U - Drainage device in coal mine goaf

Info

Publication number: CN211038736U
Application number: CN201922093320.7U
Authority: CN
Inventors: 仇美玲; 姚远; 冯国栋; 赵强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-17
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a drainage device of a coal mine goaf; the utility model discloses a: the drainage pipe (1), the pneumatic stop valve (201), the water tank (3), the pipeline pump (5) and the three-way ball valve (6), wherein the drainage pipe (1) penetrates through a concrete wall and a well wall working face to be communicated with a working space and a goaf, one end of the working space of the drainage pipe (1) is connected with a water inlet end of a water tank inlet pipe (2), and a water outlet end of the water tank inlet pipe (2) is connected with the water tank (3); the water outlet end of the water outlet pipe (4) of the water tank is connected with the water inlet end of the pipeline pump (5), and the water inlet end of the water outlet pipe (4) of the water tank is connected with the water tank (3); the water outlet end of the pipeline pump (5) is connected with the water inlet end of the three-way ball valve (6), and the two water outlet ends of the three-way ball valve (6) are respectively a production water pipeline inflow end (601) and a sewage pipeline inflow end (602); the accumulated water in the goaf can be directly supplied to the requirement of underground production water after sedimentation and filtration treatment.

Description

Drainage device in coal mine goaf

Technical Field

The utility model relates to a coal mine equipment technical field specifically is a drainage device in coal mine collecting space area.

Background

In coal mining engineering, artificial excavation or geological movement can cause underground cavities to form a goaf, accumulated water can be formed in the goaf along with the permeation of surface water and underground water which are accumulated for a long time, the existence of the accumulated water causes unsafe hidden dangers for normal production of coal mining work, once the data is unclear and the prevention means is insufficient, water damage accidents can be caused, and the method of a common enterprise is that the accumulated water in the goaf is drained to a drainage channel, then the accumulated water and the produced sewage are conveyed to an overground sewage treatment plant together, and the accumulated water and the produced sewage are conveyed to a water pipeline for underground production through a water conveying pipeline after being purified; however, many coal mining enterprises face the problems that as coal mining work advances, a goaf is continuously formed, the drainage of the goaf is continuously increased, the sewage treatment capacity of an aboveground sewage treatment plant is limited, and the sewage treatment is overloaded; in fact, accumulated water in the goaf is always purified, underground water and surface water permeate into the goaf, gangue in the goaf has the functions of filtering and adsorbing and purifying sewage, and water flow achieves the purification effect through physical and chemical actions such as filtering, precipitation, adsorption, ion exchange, authigenic minerals and the like, so that the purified water in some goafs can be directly used as underground production water after being qualified through inspection.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem in the prior art, the utility model provides a drainage device in coal mine collecting space area can directly supply the needs of process water in the pit with ponding in the collecting space area after subsiding filtration treatment.

In order to achieve the above object, the utility model discloses the technical scheme who adopts includes: the drainage pipe penetrates through a concrete wall and a well wall working surface to be communicated with a working space and a goaf, one end of the working space of the drainage pipe is connected with a water inlet end of a water inlet pipe of the water tank, and a water outlet end of the water inlet pipe of the water tank is connected with the water tank; the water outlet end of the water outlet pipe of the water tank is connected with the water inlet end of the pipeline pump, and the water inlet end of the water outlet pipe of the water tank is connected with the water tank; the water outlet end of the pipeline pump is connected with the water inlet end of the three-way ball valve, and the two water outlet ends of the three-way ball valve are respectively a production water pipeline converging end and a sewage pipeline converging end.

Furthermore, the inside of the water tank is divided into two spaces of a precipitation filter bin and a drainage bin through a particulate matter filter screen, the water outlet end of the water inlet pipe of the water tank penetrates through the inner wall of the water tank and is connected with the inside of the precipitation filter bin in a through mode, the water inlet end of the water outlet pipe of the water tank penetrates through the inner wall of the water tank and is connected with the inside of the drainage bin in a through mode, the particulate matter filter screen is a metal net with the aperture smaller than or equal to 0.5mm, and the vertical height of the horizontal bottom surface of the drainage bin is 40 cm.

Further, the drain pipe is close to workspace one end and is provided with the forged steel stop valve, be provided with pneumatic stop valve on the water tank inlet tube, water tank outer wall hangs and installs P L C controller, and gas detection appearance and sulphide detector are installed at drainage storehouse inner wall top, and the PH detector is installed to drainage storehouse inner wall bottom, installs level sensor A in the upper end of drainage storehouse inner wall water tank outlet pipe water inlet end, and level sensor A bottom and the distance more than or equal to 40cm of outlet pipe water inlet end top are installed, installs level sensor B in drainage storehouse inner wall level sensor A's upper end, and level sensor B bottom and the distance more than or equal to 80cm at level sensor A top.

Further, the pipeline pump model is ISG80-160, the tee ball valve model is Q944F, the forged steel stop valve model is J41H-25C, the pneumatic stop valve model is CKJ41F-25C, the P L C controller model is Siemens S7-200, the gas detector model is B L50-CJTX 4/1000, the sulfide detector model is Multi pro600A-H2S, the PH detector model is MIK-PH8.0, and the liquid level sensor A and the liquid level sensor B model are AO L-136.

Furthermore, the P L C controller and tubing pump, three-way ball valve, pneumatic stop valve, gas detector, sulphide detector, PH detector, level sensor A and level sensor B electric connection.

Compared with the prior art, the beneficial effects of the utility model reside in that (1) the utility model discloses the potential safety hazard problem that collecting space area ponding problem caused has both been solved, the sewage treatment overload problem on the ground has been solved again, (2) the utility model discloses can filter the solid-state granule of mixing in collecting space area ponding, and through the pipeline pump input converge the production water pipeline, (3) the utility model discloses can be to rivers automatic control, through P L C controller control three-way ball valve with rivers collection sewage drainage pipeline when collecting space area ponding discharge volume increase leads to liquid level in the water tank to exceed high threshold value, (4) the utility model discloses can dynamic monitoring collecting space area get rid of the PH value of rivers, gas discharge volume and sulphide discharge volume, when collecting space area discharge PH value, gas concentration and sulphide concentration exceed and set threshold value, close through P L C controller control pneumatic stop valve, stop collecting space inner liquid discharge, protect workspace's safety.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic view of the sectional structure of the water tank of the present invention.

Fig. 4 is a schematic diagram of the circuit connection of the present invention.

In the figure, 1-a water discharge pipe, 101-a forged steel stop valve, 2-a water tank water inlet pipe, 201-a pneumatic stop valve, 3-a water tank, 301-a particulate matter filter screen, 302-a precipitation filter bin, 303-a water discharge bin, 304-a gas detector, 305-a sulfide detector, 3061-a liquid level sensor B, 3062-a liquid level sensor A, 307-a PH detector, 4-a water tank water outlet pipe, 5-a pipeline pump, 6-a three-way ball valve, 601-a production water pipeline converging end, 602-a sewage pipeline converging end and a 7-P L C controller.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings; obviously, the described embodiments are only some of the embodiments of the present invention, and not all of them; based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model comprises: the drainage pipe 1 penetrates through a concrete wall and a well wall working face to be communicated with a working space and a goaf, one end of the working space of the drainage pipe 1 is connected with a water inlet end of a water inlet pipe 3 of the water tank, and a water outlet end of the water inlet pipe 3 of the water tank is connected with the water tank 3; the water outlet end of a water outlet pipe 4 of the water tank is connected with the water inlet end of a pipeline pump 5, and the water inlet end of the water outlet pipe 4 of the water tank is connected with a water tank 3; the water outlet end of the pipeline pump 5 is connected with the water inlet end of the three-way ball valve 6, and the two water outlet ends of the three-way ball valve 6 are respectively a production water pipeline converging end 601 and a sewage pipeline converging end 602; in a normal state, the water inlet end of the three-way ball valve 6 is communicated with the production water pipeline gathering end 601; ponding in the collecting space area is through in drain pipe 1 and the water tank inlet tube 3 drainage to water tank 3, and ponding in the water tank 3 is discharged from water tank outlet pipe 4 through the effect of tubing pump 5 again, and through tubing pump 5 and three-way ball valve 6, the production water pipeline that converges from three-way ball valve 6 is imported into the production water pipeline from production water pipeline convergence 601, and the inlet end and the sewage pipeline convergence 602 UNICOM of three-way ball valve 6 behind the pipeline change through three-way ball valve 6, ponding in the collecting space area can be introduced into the sewage pipeline.

Further, as shown in fig. 1-3, the inside of the water tank 3 is divided into two spaces, namely a precipitation filter bin 302 and a drainage bin 303, by a particulate filter 301, the water outlet end of the water tank inlet pipe 3 penetrates through the inner wall of the water tank 3 to be communicated with the inside of the precipitation filter bin 302, the water inlet end of the water tank outlet pipe 4 penetrates through the inner wall of the water tank 3 to be communicated with the inside of the drainage bin 303, the particulate filter 301 is a metal mesh with a pore diameter less than or equal to 0.5mm, and the vertical height of the horizontal bottom surface of the drainage bin 303 is 40cm or more higher than that of the horizontal bottom surface of the precipitation filter bin; the vertical height of the bottom of the drainage bin 303 is higher than that of the bottom of the precipitation filter bin 302, so that a step is formed, and when accumulated water in a goaf is mixed with particles, the particles are filtered by the particle filter screen 301 and precipitated to the bottom of the precipitation filter bin 302 along with gravity, so that regular cleaning is facilitated.

Further, as shown in fig. 1-3, a forged steel stop valve 101 is arranged at one end of the drain pipe 1 close to a working space, a pneumatic stop valve 201 is arranged on the water inlet pipe 3 of the water tank, a P L C controller 7 is mounted on the outer wall of the water tank 3 in a hanging manner, a gas detector 304 and a sulfide detector 305 are mounted at the top of the inner wall of the drain bin 303, a PH detector 307 is mounted at the bottom of the inner wall of the drain bin 303, a liquid level sensor a3062 is mounted at the upper end of the water inlet end of a water outlet pipe 4 of the water tank on the inner wall of the drain bin 303, the distance between the bottom of the liquid level sensor a3062 and the top of a water inlet end of a water outlet pipe 4 is greater than or equal to 40cm, a liquid level sensor B3061 is mounted at the upper end of the inner wall of the drain bin 303, the distance between the bottom of the liquid level sensor B3061 and the top of a liquid level sensor a liquid level a sensor a 2 is greater than or equal to 80cm, the forged steel stop valve 101 can be used for collecting water discharge flow rate regulation, when an emergency condition occurs or maintenance equipment needs to cause an emergency, the water accumulation controller can be manually closed to stop the water inlet pipe 351 of the water tank inlet pipe 3 of the water tank, the water tank can be controlled by the forged steel stop valve B3061, the P3975C controller 7, the gas controller 7 controls the water tank to control a P3, the water tank to control a P2, the water tank to control a P3C controller 7, the water tank inlet pipe upright, the water tank detects the gas controller 7C controller 7, the gas controller 7 and the gas controller 7, the gas controller 7 controls the water tank inlet pipe 305 and the gas controller 7, the gas controller detects the gas controller 7, when the gas controller 7, the PH sensor 2 controls the PH sensor 2, the PH sensor 2 controls the.

Further, the model of the pipeline pump 5 is ISG80-160, the model of the three-way ball valve 6 is Q944F, the model of the forged steel stop valve 101 is J41H-25C, the model of the pneumatic stop valve 201 is CKJ41F-25C, the model of the P L C controller 7 is Siemens s7-200, the model of the gas detector 304 is B L50-CJTX 4/1000, the model of the sulfide detector 305 is Multi pro600A-H2S, the model of the PH detector 307 is MIK-PH 3068.0, and the models of the liquid level sensor A3062 and the liquid level sensor B1 are AO L-136.

Further, as shown in fig. 4, the P L C controller 7 is electrically connected to the pipe pump 5, the three-way ball valve 6, the pneumatic stop valve 201, the gas detector 304, the sulfide detector 305, the PH detector 307, the liquid level sensor a3062, and the liquid level sensor B3061, and the external power supply directly supplies power to the P L C controller 7, the pipe pump 5, the three-way ball valve 6, and the pneumatic stop valve 201.

Claims

1. The utility model provides a drainage device in coal mine collecting space area, includes drain pipe (1) and tubing pump (5), its characterized in that: the drainage pipe (1) penetrates through a concrete wall and a well wall working surface to be communicated with a working space and a goaf, one end of the working space of the drainage pipe (1) is connected with the water inlet end of the water tank inlet pipe (2), and the water outlet end of the water tank inlet pipe (2) is connected with the water tank (3); the water outlet end of the water outlet pipe (4) of the water tank is connected with the water inlet end of the pipeline pump (5), and the water inlet end of the water outlet pipe (4) of the water tank is connected with the water tank (3); the water outlet end of the pipeline pump (5) is connected with the water inlet end of the three-way ball valve (6), and the two water outlet ends of the three-way ball valve (6) are respectively a production water pipeline gathering end (601) and a sewage pipeline gathering end (602).

2. The drainage apparatus of a coal mine goaf according to claim 1, wherein: the water tank (3) is internally divided into two spaces of a sedimentation filter bin (302) and a drainage bin (303) through a particulate matter filter screen (301), the water outlet end of a water tank water inlet pipe (2) penetrates through the inner wall of the water tank (3) and is connected with the sedimentation filter bin (302) in a through mode, and the water inlet end of a water tank water outlet pipe (4) penetrates through the inner wall of the water tank (3) and is connected with the drainage bin (303) in a through mode.

3. The drainage device of the coal mine goaf according to claim 2, wherein a forged steel stop valve (101) is arranged at one end, close to a working space, of the drainage pipe (1), a pneumatic stop valve (201) is arranged on the water inlet pipe (2) of the water tank, a P L C controller (7) is installed on the outer wall of the water tank (3) in a hanging mode, a gas detector (304) and a sulfide detector (305) are installed at the top of the inner wall of the drainage bin (303), a PH detector (307) is installed at the bottom of the inner wall of the drainage bin (303), a liquid level sensor A (3062) is installed at the upper end of the water inlet end of a water outlet pipe (4) of the water tank on the inner wall of the drainage bin (303), and a liquid level sensor B (3061) is installed at the upper end of the.