Mining gas drainage pump station

Abstract

The utility model relates to the technical field of mining equipment, in particular to a mining gas drainage pump station, which not only can filter and purify pumped gas and prevent impurities in a mine tunnel from entering the device to influence the service life of the pump station, but also can detect the content of gas, change the pumping power at any time and save electricity consumption. Comprising a protection mechanism; the device further comprises a driving mechanism, an air extracting mechanism, a processing mechanism and a water supplementing mechanism, the driving mechanism is installed on the protection mechanism and provides power for the device, the air extracting mechanism is installed on the driving mechanism and extracts air in the mine channel, and the processing mechanism is installed on the protection mechanism and collects the extracted air. The water supplementing mechanism is installed on the processing mechanism and supplements water to the air exhaust mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of mining equipment, in particular to a mine gas drainage pump station. Background Art

[0002] During the mining process of coal mines, a large amount of gas is generated. If not properly prevented and controlled, it will cause huge losses and serious impacts on national property and social stability. In order to control gas disasters, generally, methods such as roadway ventilation to dilute gas and coal seam drilling to drain gas are adopted for prevention and control. Among them, gas drainage is the most commonly used and effective method to solve gas problems at present.

[0003] For the existing mine gas drainage pump stations, for example, a mine mobile gas drainage pump station disclosed in the utility model patent with the application number 201320658969.9, its main structure includes a base, a wheel axle arranged under the base, a motor, a speed reducer, a water ring vacuum pump and a gas-water separation tank on the upper part. The output shaft of the motor is connected to the input of the speed reducer, the output of the speed reducer is connected to the water ring vacuum pump, and the outlet of the water ring vacuum pump is connected to the inlet of the gas-water separation tank through a suction pipeline; when in use, the motor is started, the motor drives the water ring vacuum pump through the speed reducer, the water ring vacuum pump pumps out the mine gas, and then transports it into the gas-water separation tank through the suction pipeline.

[0004] However, there are many air impurities in the mine roadway, which easily cause blockage of the existing mine gas drainage pump stations, affecting the service life of the pump stations. Moreover, most of the existing drainage pump stations are quantitatively drained, resulting in waste of electricity. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a mine gas drainage pump station that can not only filter and purify the pumped gas to prevent impurities in the mine roadway from entering the device and affecting the service life of the pump station, but also detect the gas content of the gas and change the pumping power at any time to save electricity.

[0006] A mine gas drainage pump station of the utility model includes a protection mechanism; it also includes a driving mechanism, a gas pumping mechanism, a treatment mechanism and a water replenishing mechanism. The driving mechanism is installed on the protection mechanism and provides power for the device. The gas pumping mechanism is installed on the driving mechanism and pumps out the gas in the mine roadway. The treatment mechanism is installed on the protection mechanism and collects the pumped gas. The water replenishing mechanism is installed on the treatment mechanism and replenishes water to the gas pumping mechanism; the staff moves the protection mechanism to the working area, then connects the power supply to the driving mechanism, the driving mechanism drives the gas pumping mechanism to pump gas, the gas pumping mechanism transports the gas into the treatment mechanism for gas-liquid separation, and the water in the treatment mechanism is transported into the water replenishing mechanism for purification and then replenished into the gas pumping mechanism.

[0007] Preferably, the protection mechanism includes a base, four sets of universal wheels, a protection frame and a push rod. The tops of the four sets of universal wheels are connected to the bottom of the base. The bottom of the protection frame is connected to the top of the base. The push rod is installed on the protection frame. The staff manipulates the push rod to move the base and the four sets of universal wheels, facilitating the movement of the base to the working area. The safety of the overall pumping station is enhanced by setting up the protection frame.

[0008] Preferably, the driving mechanism includes an explosion-proof variable-frequency control box, a power connector, an explosion-proof motor, a reducer and a transmission shaft. The bottom of the explosion-proof variable-frequency control box is connected to the top of the base. The power connector is installed on the explosion-proof variable-frequency control box. The bottom of the explosion-proof motor is connected to the top of the base. The bottom of the reducer is connected to the top of the base. The transmission shaft is rotatably installed on the reducer. Connect the power connector to the power supply. The explosion-proof variable-frequency control box starts the explosion-proof motor through an electrical signal. The explosion-proof motor drives the transmission shaft to rotate through the reducer. The power connector controls the output power of the explosion-proof motor according to the processing mechanism, facilitating power saving.

[0009] Preferably, the air extraction mechanism includes a pump body, a connecting pipe, a filter box, multiple groups of filter elements and an explosion-proof control valve. The bottom of the pump body is connected to the top of the base. The connecting pipe is installed on the pump body. The filter box is installed on the connecting pipe. Multiple groups of filter elements are slidably installed on the filter box. The explosion-proof control valve is installed on the connecting pipe. The transmission shaft drives the pump body to extract air. The pump body extracts the gas in the mine roadway through the connecting pipe, and filters the extracted gas through the filter box and multiple groups of filter elements to prevent impurities and dust in the air from entering the pump body. Multiple groups of filter elements are slidably installed on the filter box, facilitating the extraction of the filter elements for cleaning and replacement.

[0010] Preferably, the pump body is a coal mine wet Roots vacuum pump. The coal mine wet Roots vacuum pump has the characteristics of large flow rate, low negative pressure and high efficiency under the same power, which is just suitable for the field of low-pressure gas drainage in coal mines. Compared with the traditional water ring vacuum pump made of mobile gas drainage pumping stations, it is more efficient, and more water-saving and power-saving.

[0011] Preferably, the processing mechanism includes a gas-water separator, an air extraction pipeline, a methane sensor and a drain pipe. The bottom of the gas-water separator is connected to the top of the base. The air extraction pipeline is installed on the gas-water separator and is internally connected to the exhaust port of the pump body. The methane sensor is installed on the air extraction pipeline. The top of the drain pipe is internally connected to the bottom of the gas-water separator. The gas extracted by the pump body enters the gas-water separator through the air extraction pipeline for gas-liquid separation. After separating the water in the transported gas, it is discharged through the drain pipe. The methane sensor detects the methane content in the gas in the air extraction pipeline and transmits the methane content data to the explosion-proof variable-frequency control box through an electrical signal, facilitating the regulation of the air extraction volume of the pump body.

[0012] Preferably, the water replenishing mechanism includes a purification device, a water replenishing pipe, a check valve, and a water delivery pipe. The bottom end of the purification device is connected to the top end of the base and is internally communicated with the drain pipe. The water replenishing pipe is installed on the purification device, the check valve is installed on the water replenishing pipe, and the water delivery pipe is installed on the purification device and is internally communicated with the pump body. The water in the drain pipe is transported to the purification device for purification, and then the purification device transports the purified water to the pump body for replenishment. At the same time, the water replenishing pipe can be connected to a water source, and the water replenishing pipe transports the water to the pump body for replenishment after purification by the purification device. The check valve is provided to prevent the water flow from flowing back.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The staff moves the protection mechanism to the working area, then connects the power supply to the driving mechanism. The driving mechanism drives the air extraction mechanism to extract air. The air extraction mechanism transports the gas to the treatment mechanism for gas-liquid separation. The water in the treatment mechanism is transported to the water replenishing mechanism for purification and then replenished into the air extraction mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is an axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is an axonometric structural schematic diagram of the protection mechanism and the driving mechanism of the present utility model;

[0016] Figure 3 is a sectional axonometric structural schematic diagram of the driving mechanism and the air extraction mechanism of the present utility model;

[0017] Figure 4 is a sectional axonometric structural schematic diagram of the treatment mechanism and the water replenishing mechanism of the present utility model.

[0018] Reference numerals in the drawings: 01, protection mechanism; 11, base; 12, universal wheel; 13, protective frame; 14, push rod; 02, driving mechanism; 21, explosion-proof frequency conversion control box; 22, power connection head; 23, explosion-proof motor; 24, reducer; 25, transmission shaft; 03, air extraction mechanism; 31, pump body; 32, connecting pipe; 33, filter box; 34, filter element; 35, explosion-proof control valve; 04, treatment mechanism; 41, gas-water separation tank; 42, air extraction pipeline; 43, methane sensor; 44, drain pipe; 05, water replenishing mechanism; 51, purification device; 52, water replenishing pipe; 53, check valve; 54, water delivery pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0020] Example 1

[0021] A mine gas drainage pumping station of the utility model includes a protection mechanism 01; it also includes a driving mechanism 02, an air extraction mechanism 03, a treatment mechanism 04 and a water replenishing mechanism 05. The driving mechanism 02 is installed on the protection mechanism 01 and provides power for the device. The air extraction mechanism 03 is installed on the driving mechanism 02 and extracts the gas in the mine roadway. The treatment mechanism 04 is installed on the protection mechanism 01 and collects the pumped-in gas. The water replenishing mechanism 05 is installed on the treatment mechanism 04 and replenishes water to the air extraction mechanism 03. The protection mechanism 01 includes a base 11, four groups of universal wheels 12, a protection frame 13 and a push rod 14. The top ends of the four groups of universal wheels 12 are connected to the bottom end of the base 11. The bottom end of the protection frame 13 is connected to the top end of the base 11. The push rod 14 is installed on the protection frame 13. The driving mechanism 02 includes an explosion-proof variable frequency control box 21, a power connection head 22, an explosion-proof motor 23, a speed reducer 24 and a transmission shaft 25. The bottom end of the explosion-proof variable frequency control box 21 is connected to the top end of the base 11. The power connection head 22 is installed on the explosion-proof variable frequency control box 21. The bottom end of the explosion-proof motor 23 is connected to the top end of the base 11. The bottom end of the speed reducer 24 is connected to the top end of the base 11. The transmission shaft 25 is rotatably installed on the speed reducer 24. The air extraction mechanism 03 includes a pump body 31, a connecting pipe 32, a filter box 33, multiple groups of filter elements 34 and an explosion-proof control valve 35. The bottom end of the pump body 31 is connected to the top end of the base 11. The connecting pipe 32 is installed on the pump body 31. The filter box 33 is installed on the connecting pipe 32. Multiple groups of filter elements 34 are all slidably installed on the filter box 33. The explosion-proof control valve 35 is installed on the connecting pipe 32. The pump body 31 is a wet Roots vacuum pump for coal mines. The treatment mechanism 04 includes a gas-water separator 41, an air extraction pipeline 42, a methane sensor 43 and a drain pipe 44. The bottom end of the gas-water separator 41 is connected to the top end of the base 11. The air extraction pipeline 42 is installed on the gas-water separator 41 and is internally communicated with the exhaust port of the pump body 31. The methane sensor 43 is installed on the air extraction pipeline 42. The top end of the drain pipe 44 is internally communicated with the bottom end of the gas-water separator 41;When it is working, first, the staff manipulates the push rod 14 to push the base 11 and the four sets of universal wheels 12 to move, which facilitates moving the base 11 to the working area. By setting the protective frame 13, the safety of the overall pumping station is enhanced. The power connector 22 is connected to the power supply. The explosion-proof variable-frequency control box 21 starts the explosion-proof motor 23 through an electrical signal. The explosion-proof motor 23 drives the transmission shaft 25 to rotate through the speed reducer 24. The power connector 22 controls the output power of the explosion-proof motor 23 according to the processing mechanism 04, which is convenient for saving electricity. The transmission shaft 25 drives the pump body 31 to pump air. The pump body 31 sucks the gas in the mine roadway through the connecting pipe 32, and filters the sucked gas through the filter box 33 and multiple groups of filter elements 34 to prevent impurities and dust in the air from entering the pump body 31. The multiple groups of filter elements 34 are slidably installed on the filter box 33, which is convenient for pulling out the filter elements 34 for cleaning and replacement. The gas sucked by the pump body 31 enters the gas-liquid separator 41 through the air extraction pipeline 42 for gas-liquid separation. After separating the water in the transported gas, it is discharged through the drain pipe 44. The methane sensor 43 detects the gas content of the gas in the air extraction pipeline 42 and transmits the gas content data to the explosion-proof variable-frequency control box 21 through an electrical signal, which is convenient for regulating the air extraction volume of the pump body 31.;

[0022] Embodiment 2

[0023] As Figures 1 to 4As shown in the figure, a mine gas drainage pumping station of the present utility model is based on Embodiment 1; the water replenishing mechanism 05 includes a purification device 51, a water replenishing pipe 52, a check valve 53 and a water delivery pipe 54. The bottom end of the purification device 51 is connected to the top end of the base 11 and is internally communicated with the drain pipe 44. The water replenishing pipe 52 is installed on the purification device 51, the check valve 53 is installed on the water replenishing pipe 52, and the water delivery pipe 54 is installed on the purification device 51 and is internally communicated with the pump body 31; when it works, first, the staff manipulates the push rod 14 to push the base 11 and the four groups of universal wheels 12 to move, which is convenient to move the base 11 to the working area. By setting the protective frame 13, the safety of the overall pumping station is enhanced. The power connection head 22 is connected to the power supply, and the explosion-proof variable frequency control box 21 starts the explosion-proof motor 23 through an electrical signal. The explosion-proof motor 23 drives the transmission shaft 25 to rotate through the speed reducer 24. The power connection head 22 controls the output power of the explosion-proof motor 23 according to the processing mechanism 04, which is convenient for saving electricity. The transmission shaft 25 drives the pump body 31 to pump air. The pump body 31 sucks the gas in the mine roadway through the connecting pipe 32, and filters the sucked gas through the filter box 33 and multiple groups of filter elements 34 to prevent impurities and dust in the air from entering the pump body 31. The multiple groups of filter elements 34 are slidably installed on the filter box 33, which is convenient to pull out the filter elements 34 for cleaning and replacement. The gas sucked by the pump body 31 enters the gas-liquid separator 41 through the air extraction pipeline 42 for gas-liquid separation. After separating the water in the transported gas, it is discharged through the drain pipe 44. The methane sensor 43 detects the content of gas in the air extraction pipeline 42 and transmits the gas content data to the explosion-proof variable frequency control box 21 through an electrical signal, which is convenient to adjust the air extraction volume of the pump body 31. The water in the drain pipe 44 is transported to the purification device 51 for purification, and then the purification device 51 transports the purified water to the pump body 31 for replenishment. At the same time, the water replenishing pipe 52 can also be connected to the water source, and the water replenishing pipe 52 transports the water to the pump body 31 for replenishment after purification by the purification device 51. The check valve 53 is set to prevent the water flow from flowing back.

[0024] The explosion-proof motor 23, the speed reducer 24 and the gas-liquid separator 41 of the present utility model are purchased on the market. Technical personnel in this industry only need to install and operate according to the attached operation manuals, without creative labor from technical personnel in this field.

[0025] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A mine gas extraction pump station, comprising a protection mechanism (01); characterized in that: The device also includes a driving mechanism (02), an exhaust mechanism (03), a processing mechanism (04) and a water replenishing mechanism (05). The driving mechanism (02) is mounted on the protective mechanism (01) and provides power for the device. The exhaust mechanism (03) is mounted on the driving mechanism (02) and extracts gas from the mine tunnel. The processing mechanism (04) is mounted on the protective mechanism (01) and collects the extracted gas. The water replenishing mechanism (05) is mounted on the processing mechanism (04) and replenishes water to the exhaust mechanism (03).

2. A mine gas drainage pump station as claimed in claim 1, characterized in that: The protection mechanism (01) comprises a base (11), four sets of universal wheels (12), a protection frame (13) and a push rod (14), the top ends of the four sets of universal wheels (12) are connected to the bottom end of the base (11), the bottom end of the protection frame (13) is connected to the top end of the base (11), and the push rod (14) is installed on the protection frame (13).

3. A mining gas extraction pump station as claimed in claim 2, characterized in that: The driving mechanism (02) comprises an explosion-proof frequency conversion control box (21), a power connector (22), an explosion-proof motor (23), a reducer (24) and a transmission shaft (25); the bottom end of the explosion-proof frequency conversion control box (21) is connected to the top end of the base (11); the power connector (22) is mounted on the explosion-proof frequency conversion control box (21); the bottom end of the explosion-proof motor (23) is connected to the top end of the base (11); the bottom end of the reducer (24) is connected to the top end of the base (11); and the transmission shaft (25) is rotatably mounted on the reducer (24).

4. A mining gas extraction pump station as claimed in claim 2, characterized in that: The air extraction mechanism (03) comprises a pump body (31), a connecting pipe (32), a filter box (33), a plurality of filter elements (34) and an explosion-proof control valve (35). The bottom end of the pump body (31) is connected to the top end of the base (11), the connecting pipe (32) is mounted on the pump body (31), the filter box (33) is mounted on the connecting pipe (32), the plurality of filter elements (34) are slidably mounted on the filter box (33), and the explosion-proof control valve (35) is mounted on the connecting pipe (32).

5. A mining gas drainage pump station as claimed in claim 4, characterized in that: The pump body (31) is also a wet Roots vacuum pump for coal mines.

6. A mining gas drainage pump station as claimed in claim 4, characterized in that: The processing mechanism (04) comprises an air-water separator (41), an air extraction pipeline (42), a methane sensor (43) and a drain pipe (44); the bottom end of the air-water separator (41) is connected to the top end of the base (11); the air extraction pipeline (42) is installed on the air-water separator (41) and is connected to the inside of the exhaust port of the pump body (31); the methane sensor (43) is installed on the air extraction pipeline (42); and the top end of the drain pipe (44) is connected to the inside of the bottom end of the air-water separator (41).

7. A mining gas drainage pump station as claimed in claim 6, characterized in that: The water replenishment mechanism (05) comprises a purification device (51), a water replenishment pipe (52), a check valve (53) and a water delivery pipe (54); the bottom end of the purification device (51) is connected to the top end of the base (11) and communicated with the inside of the drain pipe (44); the water replenishment pipe (52) is installed on the purification device (51); the check valve (53) is installed on the water replenishment pipe (52); and the water delivery pipe (54) is installed on the purification device (51) and communicated with the inside of the pump body (31).

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