CN219316995U

CN219316995U - Underground coal mine drainage point balanced drainage system

Info

Publication number: CN219316995U
Application number: CN202320242162.0U
Authority: CN
Inventors: 赵云; 王开忠; 王言言; 王鹏; 孟彬; 毕玉兴; 王刚
Original assignee: Xuzhou Yituo Communication Technology Co ltd
Current assignee: Xuzhou Yituo Communication Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-07
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a coal mine underground water drainage point balanced drainage system, which comprises: centrifugal pump body and equipment box: the centrifugal pump comprises a centrifugal pump body, wherein the centrifugal pump body comprises a motor and a pump body, an output shaft of the motor is arranged in the pump body, a pressure sensor is arranged in the pump body, a water outlet of the pump body is communicated with a water outlet pipe, an electric gate valve is arranged on the water outlet pipe, a water inlet of the pump body is communicated with a water inlet pipe, and a check valve is arranged on the water inlet pipe; the equipment box comprises a PLC controller, and the PLC controller is arranged in the equipment box; according to the utility model, the electric gate valve and the check valve are arranged on the pump body, so that a PLC (programmable logic controller) can conveniently control a loop of the pump body, and the centrifugal pump body and the equipped box are combined for use, so that the effect of intelligently controlling the pump body is realized, the effect of balancing drainage is achieved, and the occurrence of waterlogging caused by large drainage is reduced.

Description

Underground coal mine drainage point balanced drainage system

Technical Field

The utility model relates to the technical field of drainage of underground coal mines, in particular to an underground coal mine drainage point balanced drainage system.

Background

Underground coal mines are areas where mankind is mining coal resources in coal-rich mining areas, and are generally classified into underground coal mines and open pit coal mines. The mine water discharged from the underground is continuously discharged to the ground through a water discharge system, so that the safety production of the mine and the life safety of operators are ensured, otherwise, the normal production of the mine is affected, even well flooding accidents occur, and huge losses of life and property are caused.

However, when the drainage operation of a mine is performed, the drainage flow cannot be controlled, when the drainage amount is large, a large amount of water can be discharged to a drainage point at one time, the flow rate of the discharged large amount of water is too fast, and after the water enters the drainage point, part of water is easily scattered around the drainage point, so that the situation of waterlogging of the drainage point can be caused, and therefore, the underground drainage point balanced drainage system of the coal mine is provided.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art.

Therefore, one object of the utility model is to provide a coal mine underground water drainage point balance drainage system, which comprises a centrifugal pump body and an equipment box: the centrifugal pump comprises a centrifugal pump body, wherein the centrifugal pump body comprises a motor and a pump body, an output shaft of the motor is arranged in the pump body, a pressure sensor is arranged in the pump body, a water outlet of the pump body is communicated with a water outlet pipe, an electric gate valve is arranged on the water outlet pipe, a water inlet of the pump body is communicated with a water inlet pipe, and a check valve is arranged on the water inlet pipe; the equipment box comprises a PLC controller, the PLC controller is installed inside the equipment box, the control input end of the check valve is connected with the electric control end of the PLC controller through a wire, the control input end of the electric brake valve is connected with the electric control end of the PLC controller through a wire, and an early warning assembly is arranged on one side of the equipment box.

Preferably, the early warning assembly comprises a smoke sensor arranged on the equipment box, and a control input end of the smoke sensor is connected with an electric control end of the PLC through a wire.

Preferably, the early warning assembly further comprises a noise sensor arranged on the equipment box, and a control input end of the noise sensor is connected with an electric control end of the PLC through a wire.

Preferably, an auxiliary assembly is arranged on one side of the motor, the auxiliary assembly comprises a shell arranged on the motor, a vibration sensor is arranged in the shell, and a control input end of the vibration sensor is connected with an electric control end of the PLC through a wire.

Preferably, a temperature sensor is installed in the shell, and a control input end of the temperature sensor is connected with an electric control end of the PLC through a wire.

Preferably, the pressure sensor is located at the water outlet of the pump body.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the electric gate valve and the check valve are arranged on the pump body, so that a PLC (programmable logic controller) can conveniently control a loop of the pump body, and the centrifugal pump body and the equipped box are combined for use, so that the effect of intelligently controlling the pump body is realized, the effect of balancing drainage is achieved, and the occurrence of waterlogging caused by large drainage is reduced.

Drawings

FIG. 1 is a schematic diagram of a system for equalizing drainage of a coal mine underground water drainage point according to an embodiment of the utility model;

FIG. 2 is an elevation view of a coal mine downhole water point equalization drainage system in accordance with an embodiment of the present utility model;

FIG. 3 is an internal cross-sectional view of a housing in a coal mine downhole point equalizing drainage system according to an embodiment of the present utility model;

fig. 4 is an internal cross-sectional view of a deployment tank in a coal mine downhole water drainage system in accordance with an embodiment of the present utility model.

Reference numerals: 10. a centrifugal pump body; 11. a motor; 12. a pump body; 13. an auxiliary component; 1301. a housing; 1302. a vibration sensor; 1303. a temperature sensor; 14. a water inlet pipe; 15. an electric gate valve; 16. a water outlet pipe; 17. a check valve; 18. a pressure sensor; 20. preparing a box; 21. a PLC controller; 22. an early warning component; 23. a smoke sensor; 24. noise sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model provides a water drainage system for underground coal mine, comprising: a centrifugal pump body 10 and an equipment box 20.

Referring to fig. 1-3, a centrifugal pump body 10 comprises a motor 11 and a pump body 12, wherein an output shaft of the motor 11 is installed in the pump body 12, a pressure sensor 18 is installed in the pump body 12, a water outlet of the pump body 12 is communicated with a water outlet pipe 16, an electric gate valve 15 is installed on the water outlet pipe 16, a water inlet of the pump body 12 is communicated with a water inlet pipe 14, and a check valve 17 is installed on the water inlet pipe 14; the pressure sensor 18 in the pump body 12 feeds back the received signal to the PLC controller 21, so that the PLC controller 21 respectively starts the electric gate valve 15 and the check valve 17, thereby completing the function of intelligent water discharge.

Specifically, an auxiliary assembly 13 is arranged on one side of the motor 11, the auxiliary assembly 13 comprises a shell 1301 arranged on the motor 11, a vibration sensor 1302 is arranged in the shell 1301, and a control input end of the vibration sensor 1302 is connected with an electric control end of the PLC 21 through a wire; when the flow rate of the drainage is large and the flow rate is too fast, the pump body 12 is vibrated, after the vibration of the pump body 12 exceeds a specified value, a signal generated by the vibration sensor 1302 is fed back to the PLC controller 21, and the PLC controller 21 receives the signal and then controls the operation of the motor 11, so that the pump body 12 realizes the function of balancing the drainage.

Specifically, a temperature sensor 1303 is installed inside the housing 1301, and a control input end of the temperature sensor 1303 is connected with an electric control end of the PLC controller 21 through a wire; the centrifugal pump body 10 is protected, when the temperature of the pump body 12 is abnormal, a signal generated by the temperature sensor 1303 is fed back to the PLC controller 21, and the PLC controller 21 receives the signal and then turns off the motor 11, so that the motor 11 stops running.

Specifically, the pressure sensor 18 is located at the water outlet of the pump body 12; the pressure sensor 18 is convenient to receive the pressure of the water discharged from the pump body 12, and the balanced water discharging effect of the pump body 12 is improved.

Referring to fig. 1 and 4, the equipment box 20 includes a PLC controller 21, the PLC controller 21 is installed inside the equipment box 20, a control input end of the check valve 17 is connected with an electric control end of the PLC controller 21 through a wire, a control input end of the electric gate valve 15 is connected with the electric control end of the PLC controller 21 through a wire, and an early warning assembly 22 is provided at one side of the equipment box 20; the inside of the equipment box 20 is provided with a PLC controller 21 and an early warning component 22, and the early warning component 22 can achieve the protection effect on the equipment box 20.

Specifically, the early warning component 22 includes a smoke sensor 23 mounted on the equipment box 20, and a control input end of the smoke sensor 23 is connected with an electric control end of the PLC controller 21 through a wire; through setting up smoke transducer 23, can receive external signal to with the signal feedback to PLC controller 21, make PLC controller 21 start external alarm device, avoid outfit case 20 to be in dangerous environment, realize the protection outfit case 20.

Specifically, the early warning assembly 22 further includes a noise sensor 24 mounted on the equipment box 20, and a control input end of the noise sensor 24 is connected with an electric control end of the PLC controller 21 through a wire; when an abnormal sound occurs to the equipment in the equipment box 20, the noise sensor 24 can receive a signal and feed back the signal to the PLC controller 21, so that the PLC controller 21 starts an external alarm device.

According to the technical scheme, the working steps of the scheme are summarized and carded:

firstly, when the internal water discharge of the pump body 12 is large, after receiving signals, the pressure sensor 18 and the vibration sensor 1302 in the pump body 12 respectively feed back the signals to the PLC controller 21, so that the PLC controller 21 respectively starts the electric gate valve 15, the check valve 17 and the motor 11, and the centrifugal pump body 10 can realize the function of balanced water discharge by controlling the operation of the motor 11, and when water flows into the pump body 12 through the water inlet pipe 14, the water is discharged through the water outlet pipe 16 (an ultrasonic liquid level sensor is arranged at the water outlet of the water outlet pipe 16 on the centrifugal pump body 10, and the sound information generated when the water flows can be received is fed back to the PLC controller 21, thereby realizing the control of the water discharge operation of the centrifugal pump body 10 by the PLC controller 21), the function of balanced water discharge is enhanced, the function of intelligent control is achieved by controlling the electric gate valve 15, the check valve 17 and the motor 11 by the PLC controller 21, and the function of balanced water discharge of the centrifugal pump body 10 can be lifted.

None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Colliery is balanced drainage system of drain in pit, including centrifugal pump body (10) and be equipped with case (20), its characterized in that:

the centrifugal pump comprises a centrifugal pump body (10) and is characterized in that the centrifugal pump body (10) comprises a motor (11) and a pump body (12), an output shaft of the motor (11) is installed in the pump body (12), a pressure sensor (18) is installed in the pump body (12), a water outlet of the pump body (12) is communicated with a water outlet pipe (16), an electric gate valve (15) is installed on the water outlet pipe (16), a water inlet of the pump body (12) is communicated with a water inlet pipe (14), and a check valve (17) is installed on the water inlet pipe (14);

the equipment box (20) comprises a PLC (programmable logic controller) controller (21), the PLC (21) controller is installed inside the equipment box (20), the control input end of the check valve (17) is connected with the electric control end of the PLC (21) through a wire, the control input end of the electric gate valve (15) is connected with the electric control end of the PLC (21) through a wire, and one side of the equipment box (20) is provided with an early warning component (22).

2. The underground coal mine drainage point equalization drainage system of claim 1, wherein: the early warning assembly (22) comprises a smoke sensor (23) arranged on the equipment box (20), and the control input end of the smoke sensor (23) is connected with the electric control end of the PLC (21) through a wire.

3. The underground coal mine drainage point equalization system according to claim 2, wherein: the early warning assembly (22) further comprises a noise sensor (24) arranged on the equipment box (20), and the control input end of the noise sensor (24) is connected with the electric control end of the PLC (21) through a wire.

4. The underground coal mine drainage point equalization drainage system of claim 1, wherein: one side of motor (11) is provided with auxiliary assembly (13), auxiliary assembly (13) are including installing casing (1301) on motor (11), internally mounted of casing (1301) has vibration sensor (1302), the control input of vibration sensor (1302) pass through the wire with the automatically controlled end of PLC controller (21) is connected.

5. The underground coal mine drainage point equalization system of claim 4, wherein: the inside of the shell (1301) is provided with a temperature sensor (1303), and the control input end of the temperature sensor (1303) is connected with the electric control end of the PLC (21) through a wire.

6. The underground coal mine drainage point equalization drainage system of claim 1, wherein: the pressure sensor (18) is positioned at the water outlet of the pump body (12).