CN214464354U - Drainage, slag discharge, exhaust, blowout prevention and dust prevention device for multi-stage gas extraction drilling orifice - Google Patents
Drainage, slag discharge, exhaust, blowout prevention and dust prevention device for multi-stage gas extraction drilling orifice Download PDFInfo
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- CN214464354U CN214464354U CN202022317523.2U CN202022317523U CN214464354U CN 214464354 U CN214464354 U CN 214464354U CN 202022317523 U CN202022317523 U CN 202022317523U CN 214464354 U CN214464354 U CN 214464354U
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Abstract
The utility model relates to a gas drainage technical field, a multistage gas drainage drilling drill way mouth automatic drainage, arrange the sediment, exhaust, prevent spouting, dust keeper, wherein drilling rod afterbody below is equipped with the opening, multi-purpose separator includes two side openings, an open-top and a bottom opening, this opening is connected through a side opening of multi-purpose outlet pipe with multi-purpose separator, another side opening and the drainage subassembly of multi-purpose separator are connected, multi-purpose separator's open-top is connected with the collecting pipe through taking out the gas pipe, the cinder outlet pipe is connected to multi-purpose separator's bottom opening. The device can guide multi-purpose automatic and reasonable discharge, improve the utilization of gas, reduce the gas concentration and dust in a drilling site, ensure the safety of the working environment and the occupational health of workers, and reduce the labor intensity of the workers.
Description
Technical Field
The utility model relates to a gas drainage technical field, in particular to multistage gas drainage drilling drill way automatic drainage, arrange sediment, exhaust, prevent spouting, dust keeper.
Background
The gas is the first killer of underground disasters of coal mines, and the gas extraction in drilling is the main mode for controlling and utilizing the gas at present. When drilling and gas extraction are carried out, gas extraction pipelines are prone to being blocked by water and crushed coal slag to cause pipeline unsmooth, and once the gas concentration is suddenly increased when the blockage is serious, the gas is sprayed out, so that the extraction effect and the personnel safety are affected; in the drilling process, the gas in the drill hole is discharged at will, the gas concentration in the drill site is increased, dust is increased, water and coal cinder are poured at will, the safety and the gas utilization of workers are affected, and the workload of the workers in cleaning operation is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a multistage gas drainage drilling drill way drainage, arrange sediment, exhaust, prevent spouting, dust keeper, it can guide multi-purpose automatic reasonable discharge, improves the utilization of gas, reduces gas concentration and dust in the drill site, ensures workman operation environment safety and occupational health, reduces workman intensity of labour.
In order to achieve the above object, the utility model adopts the following technical scheme:
a multi-stage gas extraction drilling orifice water draining, slag discharging, gas exhausting, blowout preventing and dust preventing device comprises a drill rod, an orifice multi-way device, a multi-purpose outlet pipe, a multi-purpose separator, a cinder outlet pipe, a gas pumping pipe, a collecting pipe and a water draining assembly, wherein the drill rod is inserted in an underground drilling hole, an opening is arranged below the tail part of the drill rod, the multi-purpose separator comprises two side openings, a top opening and a bottom opening, the opening is connected with one side opening of the multi-purpose separator through the multi-purpose outlet pipe, the other side opening of the multi-purpose separator is connected with the water draining assembly, the top opening of the multi-purpose separator is connected with the collecting pipe through the gas pumping pipe, and the bottom opening of the multi-purpose separator is connected with the cinder outlet pipe.
Preferably, the orifice multi-way device further comprises an opening arranged on the upper side, and the opening is connected with the collecting pipe through a blowout prevention extraction pipe.
Preferably, a coal slag pool is arranged below the bottom opening of the multipurpose separator.
Preferably, the opening of the two side openings of the multipurpose separator, which is connected with the multipurpose outlet pipe, is higher than the opening of the drainage assembly.
Preferably, the inside dust screen that is equipped with of collector pipe, the collector pipe passes through the tube coupling drain box, and the junction of drain box and collector pipe is located dustproof the place ahead and is close to the dust screen.
Preferably, the drainage assembly comprises a secondary separator and a drainage ditch, wherein an inlet of the secondary separator is connected with one side opening of the multipurpose separator through a pipeline, and an outlet of the secondary separator is connected with the drainage ditch.
Preferably, the multistage gas extraction drilling orifice drainage, deslagging, exhaust, blowout prevention and dust prevention device further comprises a mining PLC control box, a blowout prevention pipe gas concentration sensor and a blowout prevention pipe electric control valve are arranged at the joint of the orifice multi-way device and the blowout prevention extraction pipe, the blowout prevention pipe gas concentration sensor and the blowout prevention pipe electric control valve are respectively in signal connection with the mining PLC control box, and the mining PLC control box controls the opening and closing time of the blowout prevention pipe electric control valve through signals collected by the blowout prevention pipe gas concentration sensor.
Preferably, the multistage gas extraction drilling orifice drainage, deslagging, exhaust, blowout prevention and dust prevention device further comprises an extraction pipe gas concentration sensor and a water level ore electric control valve, the extraction pipe gas concentration sensor and the water level ore electric control valve are arranged at the joint of the multipurpose separator and the gas extraction pipe, the extraction pipe gas concentration sensor and the water level ore electric control valve are respectively in signal connection with the mining PLC control box, and the mining PLC control box controls the opening and closing time of the water level ore electric control valve through signals collected by the extraction pipe gas concentration sensor.
Preferably, the multistage gas extraction drilling orifice water draining, slag discharging, air exhausting, blowout preventing and dust preventing device further comprises a water level sensor and a water level ore electric control valve, the water level sensor and the water level ore electric control valve are respectively arranged at the joint of the multipurpose separator and the water draining assembly, the water level sensor and the water level ore electric control valve are respectively in signal connection with the mining PLC control box, and the mining PLC control box controls the opening and closing time of the water level ore electric control valve through signals collected by the water level sensor.
Preferably, the multistage gas extraction drilling orifice drainage, deslagging, exhaust, blowout prevention and dust prevention device further comprises a gravity sensor and an electric control valve for gravity ore, the gravity sensor and the electric control valve for gravity ore are both arranged at the lower opening of the multipurpose separator, the gravity sensor and the electric control valve for gravity ore are respectively in signal connection with the mining PLC control box, and the mining PLC control box controls the opening and closing time of the electric control valve for gravity ore through signals collected by the gravity sensor.
Use the utility model discloses a beneficial effect is:
when the drilling rig drills holes, gas in the holes is extracted, and the gas concentration and dust in the drilling field are kept within a specified range. The gas, water and coal slag are discharged from each channel through a gas, water and coal slag separator, and then the coal dust and the sewage are separated under the action of a coal and water secondary separator. The blowout prevention extraction pipe is arranged at the orifice, so that the extraction process is safer, gas flow can be timely introduced into an extraction main pipeline when the gas quantity is suddenly increased, accidents are avoided, the gas concentration of a drilling site is effectively controlled, the coal and slag separation work is well done, the labor intensity of workers is reduced, and safe drilling, separation of coal and slag and occupational health of the workers are guaranteed.
Drawings
Fig. 1 is the structure schematic diagram of the multi-stage gas extraction drilling orifice drainage, slag discharge, exhaust, blowout prevention and dust prevention device of the utility model.
FIG. 2 is a schematic view of the gas-water separator section in the multi-stage gas extraction drilling orifice water discharge, slag discharge, exhaust, blowout prevention and dust prevention device
FIG. 3 is a concrete schematic diagram of the mining PLC control box in the multi-stage gas extraction drilling orifice drainage, deslagging, exhausting, blowout prevention and dust prevention device
The reference numerals include:
1-drilling, 2-drilling rod, 3-drilling machine, 4-orifice multi-way device, 5-blowout prevention extraction pipe, 6-multipurpose outlet pipe, 7-gas extraction pipe, 8-multipurpose separator, 9-cinder outlet pipe, 10-cinder pool, 11-collecting pipe, 12-drainage tank, 13-secondary separator, 14-mining PLC control box, 15-blowout prevention pipe gas concentration sensor, 16-blowout prevention pipe mining electric control valve, 17-extraction pipe gas concentration sensor, 18-water level mining electric control valve, 19-gravity sensor, 20-gravity mining electric control valve, 21-water level sensor, 22-water level mining electric control valve, 23-dust screen, 24-drainage main pipe and 25-drainage ditch.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
As shown in fig. 1-3, the multi-stage gas extraction borehole 1 orifice drainage, deslagging, gas exhaust, blowout prevention and dust prevention device provided by the embodiment includes a drill rod 2, an orifice multi-way device 4, a multi-purpose outlet pipe 6, a multi-purpose separator 8, a cinder outlet pipe 9, a gas extraction pipe 7, a collecting pipe 11 and a drainage assembly, wherein the drill rod 2 is inserted into the borehole 1, an opening is formed below the tail portion of the drill rod 2, the multi-purpose separator 8 includes two side openings, a top opening and a bottom opening, the opening is connected with one side opening of the multi-purpose separator 8 through the multi-purpose outlet pipe 6, the other side opening of the multi-purpose separator 8 is connected with the drainage assembly, the top opening of the multi-purpose separator 8 is connected with the collecting pipe 11 through the gas extraction pipe 7, and the bottom opening of the multi-purpose separator 8 is connected with the cinder outlet pipe 9.
Preferably, the orifice multipass device 4 further comprises an opening opened at the upper side and connected with the collecting pipe 11 through the blowout prevention extraction pipe 5. A coal slag pool 10 is arranged below the opening at the bottom of the multipurpose separator 8. The opening of the two side openings of the multipurpose separator 8 connected to the multipurpose outlet pipe 6 is located higher than the opening connected to the drain assembly. The inside dust screen 23 that is equipped with of collecting pipe 11, collecting pipe 11 pass through pipe connection drain box 12, and drain box 12 is located dustproof the place ahead and is close to dust screen 23 with the junction of collecting pipe 11.
The drainage assembly comprises a secondary separator 13 and a drainage ditch 25, wherein the inlet of the secondary separator 13 is connected with one side opening of the multi-purpose separator 8 through a pipeline, and the outlet of the secondary separator 13 is connected with the drainage ditch 25.
The multi-stage gas extraction drill hole 1 orifice drainage, deslagging, exhaust, blowout prevention and dust prevention device further comprises a mining PLC control box 14, a blowout prevention pipe gas concentration sensor 15 and a blowout prevention pipe mining electric control valve 16 are arranged at the joint of the orifice multi-way device 4 and the blowout prevention extraction pipe 5, the blowout prevention pipe gas concentration sensor 15 and the blowout prevention pipe mining electric control valve 16 are respectively in signal connection with the mining PLC control box 14, and the mining PLC control box 14 controls the opening and closing time of the blowout prevention pipe mining electric control valve 16 through signals collected by the blowout prevention pipe gas concentration sensor 15.
The multi-stage gas extraction drill hole 1 orifice water drainage, slag discharge, gas exhaust, blowout prevention and dust prevention device further comprises an extraction pipe gas concentration sensor 17 and a first water level ore electric control valve 18, the extraction pipe gas concentration sensor 17 and the first water level ore electric control valve 18 are arranged at the joint of the multipurpose separator 8 and the gas extraction pipe 7, the extraction pipe gas concentration sensor 17 and the first water level ore electric control valve 18 are respectively in signal connection with the mining PLC control box 14, and the mining PLC control box 14 controls the opening and closing time of the first water level ore electric control valve 18 through signals collected by the extraction pipe gas concentration sensor 17.
The multi-stage gas extraction drill hole 1 orifice water drainage, slag discharge, gas exhaust, blowout prevention and dust prevention device further comprises a water level sensor 21 and a second water level ore electric control valve 22, the water level sensor 21 and the second water level ore electric control valve 22 are respectively arranged at the connection position of the multi-purpose separator 8 and the water drainage assembly, the water level sensor 21 and the second water level ore electric control valve 22 are respectively in signal connection with the mining PLC control box 14, and the mining PLC control box 14 controls the opening and closing time of the second water level ore electric control valve 22 through signals collected by the water level sensor 21.
The multi-stage gas extraction drill hole 1 orifice drainage, deslagging, exhaust, blowout prevention and dust prevention device further comprises a gravity sensor 19 and a gravity ore electric control valve 20, the gravity sensor 19 and the gravity ore electric control valve 20 are both arranged at the lower opening of the multi-purpose separator 8, the gravity sensor 19 and the gravity ore electric control valve 20 are respectively in signal connection with the mining PLC control box 14, and the mining PLC control box 14 controls the opening and closing time of the gravity ore electric control valve 20 through signals collected by the gravity sensor 19.
Example 1
A water, gas and coal slag separation blowout prevention dustproof gas extraction system comprises an orifice multi-way device 4 arranged at an orifice of a drill hole 1 between a drill hole 1 and a drill 3, a blowout prevention extraction pipe 5 is sequentially connected with a collecting pipe 11, a dustproof net 23 and a main extraction and drainage pipe 24 after the upper end of the orifice multi-way device 4 is provided with a blowout prevention pipe gas concentration sensor 15 and a blowout prevention pipe electric control valve 16 for mine, the lower end of the orifice multi-way device 4 is connected with the left side of a multipurpose separator 8 through a multipurpose outlet pipe 6, the upper end of the multipurpose separator 8 is provided with an extraction pipe gas concentration sensor 17 and an extraction pipe electric control valve for mine, the extraction pipe is connected with the collecting pipe 11, the lower end of a gas-water-coal slag separator is provided with a water level sensor 21 and a second water level electric control valve 22 for mine, a water-coal slag outlet pipe 9 corresponds to a coal slag pool 10, the right side of the gas-water-coal slag separator is provided with a water level sensor 21 and a second electric control valve 22 for mine, then the water coal slag secondary separator 13 and a drainage ditch 25 are connected in sequence.
As shown in figure 1, the utility model provides a multistage gas drainage drilling 1 drill way automatic drainage, arrange sediment, exhaust, prevent spouting, dustproof system includes that the drill way is led to the device 4 more, is prevented spouting and takes out and adopt pipe 5, multi-purpose separator 8, water, coal cinder secondary separator 13, control system, dust screen 23.
The orifice multi-way device 4 is arranged at an orifice of the drill hole 1 and is connected with the drill rod 2 to form the drilling machine 3, an electric control valve 16 for a blowout prevention pipe mine is arranged between the upper opening of the orifice multi-way device 4 and an air inlet of the blowout prevention extraction pipe 5, and a gas concentration sensor is arranged on the electric control valve 16 for the blowout prevention pipe mine; the lower opening of the orifice multi-way device 4 is connected with the inlet of a multi-purpose outlet pipe 9, and the discharged gas, water and coal slag in the drill hole 1 enter the multi-purpose separator 8 through the pipe.
The top of the multi-purpose separator 8 is provided with an electric control valve for the extraction pipe mine, a gas concentration sensor is arranged on the electric control valve for the extraction pipe mine, when the gas concentration in the gas-water coal slag separator reaches 1%, the PLC control box automatically controls the opening of the electric control valve for the extraction pipe mine, and gas is pumped into the collecting pipe 11 through the gas pumping pipe 7; the bottom of the multi-purpose separator 8 is provided with a gravity sensor 19, when the mass of the coal slag and the water in the gas-water coal slag separator reaches 5kg, the PLC control box controls the electric control valve 20 for the gravity mine to be automatically opened to discharge the coal slag and the water into the coal slag pool 10.
The lower part of the multi-purpose separator 8 is provided with an extraction pipe water level sensor 21 and a second water level ore electric control valve 22, when the water level in the gas-water coal slag separator exceeds the position of the water level sensor 21, the water level sensor 21 transmits information to the PLC control box, after processing and feedback, the second water level ore electric control valve 22 is automatically opened, water and coal dust flow into the water and coal dust secondary separator 13 through a pipeline, and are filtered and precipitated in the secondary separator 1313 and then are discharged to a drainage ditch 25.
The blowout prevention extraction and gas extraction are used in a combined mode, in the drilling process of the drill rod 2, when the gas concentration in the drill hole 1 reaches 4%, the gas concentration sensor 17 of the extraction pipe transmits information to the PLC control box through a signal line, the PLC control box automatically controls the electric control valve for the extraction pipe mine to open a valve, at the moment, the blowout prevention extraction and the gas extraction work simultaneously, the gas is extracted by the gas collector pipe 11, and the gas concentration in the drill hole 1 is reduced in time; the dust screen 23 is arranged in the collecting pipe 11, dust and water vapor can be effectively prevented from entering the drainage main pipe 24, and a dust and water mixture flows into the drainage box 12 from a leakage opening.
The utility model provides a multistage gas drainage drilling 1 drill way automatic drainage, arrange sediment, exhaust, prevent spouting, dustproof system, the overall process need not artifical manual operation, can be effectual automatic drainage, arrange sediment, exhaust and transport through respective passageway in drilling 1 construction, reduce workman intensity of labour; the valve of the blowout prevention extraction pipe 5 is automatically opened, so that coal slag and gas can be prevented from being ejected out and directly entering a roadway, and the harm to a mine is reduced; the dust can be stored to multi-purpose separator 8, and during gas drainage device can be with the dust suction collector pipe 11, set up dust screen 23 in the collector pipe 11 and can prevent that the dust from getting into the main pipe 24 of drainage, improvement gas utilization.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides a multistage gas drainage drilling drill way drainage, row's sediment, exhaust, prevent spouting, dust keeper which characterized in that: the multi-way drill pipe is inserted into an underground drill hole, an opening is formed in the lower portion of the tail portion of the drill pipe, the multi-purpose separator comprises two side openings, a top opening and a bottom opening, the opening is connected with one side opening of the multi-purpose separator through the multi-purpose outlet pipe, the other side opening of the multi-purpose separator is connected with the drainage assembly, the top opening of the multi-purpose separator is connected with the collecting pipe through the gas pumping pipe, and the bottom opening of the multi-purpose separator is connected with the coal cinder outlet pipe;
the orifice multi-way device also comprises an opening arranged at the upper side, and the opening is connected with the collecting pipe through an anti-blowout extraction pipe;
the device is characterized by further comprising a mining PLC control box, wherein a blowout prevention pipe gas concentration sensor and a blowout prevention pipe mining electric control valve are arranged at the joint of the orifice multi-way device and the blowout prevention extraction pipe, the blowout prevention pipe gas concentration sensor and the blowout prevention pipe mining electric control valve are respectively in signal connection with the mining PLC control box, and the mining PLC control box controls the opening and closing time of the blowout prevention pipe mining electric control valve through signals collected by the blowout prevention pipe gas concentration sensor;
the mining PLC control box controls the opening and closing time of the electric control valve for the water level mine according to signals acquired by the gas concentration sensor of the gas extraction pipe;
the mining PLC control box controls the opening and closing time of the water level mining electric control valve through signals collected by the water level sensor;
the mining PLC control box controls the opening and closing time of the gravity mining electric control valve through signals collected by the gravity sensor.
2. The multi-stage gas extraction drilling orifice drainage, slag discharge, gas exhaust, blowout prevention and dust prevention device according to claim 1, characterized in that: and a coal slag pool is arranged below the bottom opening of the multipurpose separator.
3. The multi-stage gas extraction drilling orifice drainage, slag discharge, gas exhaust, blowout prevention and dust prevention device according to claim 1, characterized in that: the position of the opening connected with the multipurpose outlet pipe in the two side openings of the multipurpose separator is higher than that of the opening connected with the drainage assembly.
4. The multi-stage gas extraction drilling orifice drainage, slag discharge, gas exhaust, blowout prevention and dust prevention device according to claim 1, characterized in that: the inside dust screen that is equipped with of collecting pipe, the collecting pipe passes through the tube coupling drain box, and the junction of drain box and collecting pipe is located dustproof the place ahead and is close to the dust screen.
5. The multi-stage gas extraction drilling orifice drainage, slag discharge, gas exhaust, blowout prevention and dust prevention device according to claim 1, characterized in that: the drainage assembly comprises a secondary separator and a drainage ditch, wherein an inlet of the secondary separator is connected with one side opening of the multipurpose separator through a pipeline, and an outlet of the secondary separator is connected into the drainage ditch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317523.2U CN214464354U (en) | 2020-10-16 | 2020-10-16 | Drainage, slag discharge, exhaust, blowout prevention and dust prevention device for multi-stage gas extraction drilling orifice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317523.2U CN214464354U (en) | 2020-10-16 | 2020-10-16 | Drainage, slag discharge, exhaust, blowout prevention and dust prevention device for multi-stage gas extraction drilling orifice |
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| CN214464354U true CN214464354U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263224A (en) * | 2022-08-15 | 2022-11-01 | 太原理工大学 | Safety device for preventing spraying hole during mining drilling |
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2020
- 2020-10-16 CN CN202022317523.2U patent/CN214464354U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263224A (en) * | 2022-08-15 | 2022-11-01 | 太原理工大学 | Safety device for preventing spraying hole during mining drilling |
| CN115263224B (en) * | 2022-08-15 | 2023-07-25 | 太原理工大学 | Mining safety device that prevents orifice that drills |
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