CN111852546A - Underground extraction outburst elimination device and operation method thereof - Google Patents
Underground extraction outburst elimination device and operation method thereof Download PDFInfo
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- CN111852546A CN111852546A CN202010700757.7A CN202010700757A CN111852546A CN 111852546 A CN111852546 A CN 111852546A CN 202010700757 A CN202010700757 A CN 202010700757A CN 111852546 A CN111852546 A CN 111852546A
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- 238000000605 extraction Methods 0.000 title claims abstract description 43
- 230000008030 elimination Effects 0.000 title claims abstract description 22
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000004519 manufacturing process Methods 0.000 claims abstract description 55
- 238000005086 pumping Methods 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 239000003245 coal Substances 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 83
- 230000005540 biological transmission Effects 0.000 claims description 25
- 239000002002 slurry Substances 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 2
- 238000005065 mining Methods 0.000 claims 2
- 230000000740 bleeding effect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 241000919496 Erysimum Species 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of outburst elimination of coal mines, in particular to an underground extraction outburst elimination device and an operation method thereof, wherein the underground extraction outburst elimination device comprises a rack, a treatment compartment is arranged on the rack, a foundation support is externally arranged on the front side of the treatment compartment, a main support is arranged on the foundation support, a steering wheel is arranged at the bottom end of the main support, an operation frame is arranged on the steering wheel, an extraction mechanism is arranged at the bottom end of the operation frame through a locking installation sleeve, the main body of the extraction mechanism is a tubular external fixing frame, a water pumping channel and an air production channel are arranged on the tubular external fixing frame, an airflow end is arranged on the air production channel, the airflow end is obliquely arranged at the outer wall of the tubular external fixing frame, and the airflow end is upwards inclined and forms an included angle of 90 degrees with a rotary drilling soil; this application carries out integration disconnect-type and handles and adopt mutually independent operating system to there is not the interference between making to draw water and bleeding.
Description
Technical Field
The invention relates to the technical field of outburst elimination of coal mines, in particular to an underground extraction outburst elimination device and an operation method thereof.
Background
At present, in coal mine production enterprises, downward through-layer holes are adopted to eliminate outburst, and the method is one of important means for preventing and controlling coal and gas outburst. However, the downward through-hole has the following disadvantages: 1. the construction difficulty of the downward through-layer hole is high, and the hole forming is poor; 2. the downward through-hole is difficult to seal, and the drilled hole is easy to block during sealing; 3. the bottom of the downward through-layer hole is mostly provided with accumulated water, the accumulated water can submerge the retaining wall flower pipe arranged at the bottom of the downward through-layer hole, so that gas cannot enter the retaining wall flower pipe, and the gas cannot be pumped out. Due to the defects of the downward through-layer hole, the extraction effect is poor, and the problem of coal and gas outburst which troubles the safety production of the coal mine cannot be well solved.
A Chinese patent (No. CN102606190A) discloses a method and a device for eliminating outburst in coal mine downward through-hole extraction, wherein the concentration of single-hole extracted gas can reach more than 80%, and the purity is stabilized at more than 0.1m3/min for a long time. But its overall design is comparatively loaded down with trivial details, and this patent needs earlier to separate the aqueous vapor to there is the risk that the air current blockked up still, and overall design cost is higher, but the risk that actually exists is higher relatively, consequently, needs to follow the angle of bleeding and drawing water and carry out optimization treatment.
Disclosure of Invention
The invention aims to provide an underground extraction outburst elimination device and an operation method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an underground extraction outburst elimination device comprises a rack, wherein a treatment chamber is arranged on the rack, a foundation support is externally arranged on the front side of the treatment chamber, a main support is arranged on the foundation support, a steering wheel is arranged at the bottom end of the main support, an operation frame is arranged on the steering wheel, an extraction mechanism is arranged at the bottom end of the operation frame through a locking installation sleeve, the main body of the extraction mechanism is a tubular external fixing frame, a water pumping channel and a gas production channel are arranged on the tubular external fixing frame, a rotary drilling frame is arranged at the bottom end of the water pumping channel through a coupling, a water pumping end is arranged at the bottom end of the rotary drilling frame, a conical head is arranged at the bottom of the water pumping end, the main body of the water pumping end is a water pumping cylinder, a water inlet area is arranged at the side edge of the water pumping cylinder, a curved water baffle plate is further arranged in the inner cavity of the water pumping cylinder, and the curved water baffle, the top of a section of thick bamboo that draws water is external to have a water delivery passageway, the main shaft of rotary drill soil frame is interior hollow structure, water delivery passageway is linked together with the passageway that draws water, be provided with the air current end on the gas production passageway, the air current end is the tilting and installs at the outer solid frame outer wall position of tubulose, the air current end is tilt up and forms 90 contained angles with rotary drill soil frame, the air current is served and is provided with the second grade machine pump, install gas production head and impact gas head on the second grade machine pump respectively, be provided with a plurality of fixed cardboards in the gas production passageway, gas production pipeline and booster line are installed through fixed cardboard location to the gas production passageway, gas production pipeline is connected with the gas production head, booster line is connected with impact gas head.
As a further scheme of the invention: the water inlet area is designed to be of a mesh structure,
as a further scheme of the invention: an electric control micro motor is arranged on the outer side of the water pumping cylinder, the electric control micro motor is a driving end of a steering shaft,
as a further scheme of the invention: and a flowmeter is arranged on the gas production pipeline.
As a further scheme of the invention: the top of gas production passageway is provided with linking system, gas production pipeline and booster line are external gas supply line and gas collecting pipe way respectively.
As a further scheme of the invention: the material conveying end of the operation frame is correspondingly connected with the processing compartment.
As a further scheme of the invention: the clamping holder is installed to the bottom of main support, the steering wheel passes through the back shaft and installs between the clamping holder, the driving frame is still installed to the side of main support, the side of driving frame is provided with the slip track, install the displacement seat on the slip track, the external regulation branch of installing of displacement seat, the bottom of adjusting branch is fixed through putting down the mounting bracket and the installation of operation frame.
As a further scheme of the invention: and a transmission screw rod is arranged in the inner cavity of the transmission frame, a built-in threaded sleeve is mounted on the transmission screw rod, and the built-in threaded sleeve is connected with the displacement seat.
As a still further scheme of the invention: and a locking frame is further arranged between the main support and the clamping seat, and a plurality of transverse locking plugs are arranged on the locking frame.
In order to further explain the operation mode of the application, the application also discloses an operation method of the underground extraction outburst elimination device, which comprises the following steps:
step one; determining corresponding underground coordinates according to the specific required position of downward crossing of the coal mine, and designing a related numerical control program;
step two; starting equipment according to a proposed numerical control program, firstly adjusting the steering angle of the operation frame, and starting the transmission mechanism to drive the extraction mechanism to extend to the underground position after confirming that the steering angle is correct;
step three; protecting and sealing the downward through hole to make the hole sealing pipe and the vent pipe in a sealing state with the hole wall of the downward through hole;
step four; firstly, pumping water to a coal mine crossing zone through a pumping channel, discharging water slurry in the zone, and inputting the water slurry to a water treatment system in a treatment chamber;
step five; and starting the supercharging mechanism, carrying out air pressure impact on the outer side of the secondary pump through inert gas to prevent the gas production port from being blocked, and then starting the gas production pipeline to extract and collect gas.
Compared with the prior art, the invention has the beneficial effects that:
the extraction mechanism carries out integrated separated treatment, the water pumping channel and the gas production channel are arranged at adjacent mechanical positions, but mutually independent operation systems are adopted, so that no interference exists between water pumping and gas extraction, and the water pumping end is of a closed structure when the drilled soil extends; support to corresponding low coordinate region, control the opening and shutting of a section of thick bamboo income water end that draws water, soil layer or ore that then effectively avoid are to the risk of blockking up the hole that draws water.
For gas production, the gas flow end is inclined upwards and forms a 90-degree included angle with the rotary drilling earth frame, and compared with gas, water slurry is located on the upper layer, so that gas can be effectively collected and is avoided; and the airflow end is vertical to the earth drilling line, namely vertical to the flowing direction of the water slurry, so that the interference of the water slurry blocking the air hole is effectively reduced. Gas production pipeline and booster line are installed to this application, can in time ventilate when blockking up and handle on the one hand, and on the other hand reduces the interference of water slurry impurity to gas, improves the gaseous collection effect of gas.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the extraction mechanism in the invention.
Fig. 3 is a first schematic structural diagram of the water pumping cylinder according to the present invention.
Fig. 4 is a schematic structural diagram of a pumping cylinder according to the present invention.
Fig. 5 is a schematic structural view of a gas production passage in the present invention.
Fig. 6 is a schematic structural view of a main support in the present invention.
In the figure: 1-frame, 11-treatment box, 12-foundation support, 13-main support, 14-steering wheel, 15-operation frame, 16-locking mounting sleeve, 17-extraction mechanism, 21-tubular outer fixing frame, 22-pumping channel, 23-gas production channel, 25-coupling, 26-rotary earth drilling frame, 27-water pumping end, 28-conical head, 31-fixing clamping plate, 32-pressurizing pipeline, 33-gas production pipeline, 34-airflow end, 35-secondary pump, 36-impact air head, 37-gas production head, 38-flowmeter, 39-connecting system, 41-water pumping cylinder, 42-water inlet area, 43-curved surface water baffle, 44-steering shaft, 45-electric control micro motor, 46-water delivery channel, 61-a transmission frame, 62-a sliding track, 63-a displacement seat, 64-an adjusting support rod, 65-a lower mounting frame, 66-an internal threaded sleeve, 67-a transmission screw rod, 68-a locking frame, 69-a clamping seat and 60-a transverse locking plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the underground extraction outburst elimination device comprises a frame 1, wherein a treatment chamber 11 is arranged on the frame 1, a foundation support 12 is externally arranged on the front side of the treatment chamber 11, a main support 13 is arranged on the foundation support 12, a steering wheel 14 is arranged at the bottom end of the main support 13, an operation frame 15 is arranged on the steering wheel 14, and an extraction mechanism 17 is arranged at the bottom end of the operation frame 15 through a locking mounting sleeve 16; the processing compartment 11 is used for temporarily storing and processing extracted phase materials, the foundation support 12 is an installation device integrally arranged on a foundation, the main support 13 is a vertical supporting mechanism, the steering wheel 14 drives the operation frame 15 to rotate, the operation angle is adjusted, and the extraction mechanism 17 is used for extraction operation.
Referring to fig. 1 to 4, the main body of the extraction mechanism 17 is a tubular outer fixed frame 21, a water pumping channel 22 and a gas production channel 23 are arranged on the tubular outer fixed frame 21, a rotary earth drilling frame 26 is arranged at the bottom end of the water pumping channel 22 through a coupling 25, a water pumping end 27 is arranged at the bottom end of the rotary earth drilling frame 26, a conical head 28 is arranged at the bottom of the water pumping end 27, the main body of the water pumping end 27 is a water pumping cylinder 41, a water inlet area 42 is arranged at the side edge of the water pumping cylinder 41, the water inlet area 42 is designed to be a mesh structure, a curved water baffle 43 is further arranged in the inner cavity of the water pumping cylinder 41, the curved water baffle 43 is arranged in the water pumping cylinder 41 through a steering shaft 44, an electrically controlled micro motor 45 is arranged at the outer side of the water pumping cylinder 41, the electrically controlled micro motor 45 is a driving end of the steering shaft 44, a water delivery channel 46 is externally connected to, the main shaft of the rotary earth drilling frame 26 is of an inner hollow structure, and the water delivery channel 46 is communicated with the water pumping channel 22.
The main body of the extraction mechanism 17 is a tubular outer fixed frame 21, which protects a built-in water pumping channel 22 and a built-in gas production channel 23, wherein the bottom end of the water pumping channel 22 is provided with a rotary earth drilling frame 26, the rotary earth drilling frame 26 can be driven to move by adopting belt transmission, gear meshing transmission or other transmission mechanisms, the rotary earth drilling frame 26 plays a role of earth planing when extending into the soil layer, and after extending into a related operation point, the electric control micro motor 45 is controlled to move through an electric signal to drive a curved water baffle 43 built in a water pumping cylinder 41 to turn over, a water inlet area 42 is opened, and water pumping operation is carried out.
The extraction mechanism 17 is used for integrated and separated treatment, the water pumping channel 22 and the gas production channel 23 are arranged at adjacent mechanical positions, but mutually independent operation systems are adopted, so that no interference exists between water pumping and gas extraction, and the water pumping end is of a closed structure when the drilled soil extends; the water pumping cylinder 41 is controlled to open and close at the water inlet end by abutting against a corresponding low coordinate area, and then the risk of blocking the water pumping hole by soil layers or ores is effectively avoided.
Referring to fig. 2 and 5, an airflow end 34 is arranged on the gas production channel 23, the airflow end 34 is obliquely arranged at the outer wall of the tubular outer fixing frame 21, the airflow end 34 is upwardly inclined and forms a 90-degree included angle with the rotary earth drilling frame 26, a secondary pump 35 is arranged on the airflow end 34, a gas production head 37 and an impact gas head 36 are respectively arranged on the secondary pump 35, a plurality of fixing clamping plates 31 are arranged in the gas production channel 23, a gas production pipeline 33 and a pressure increasing pipeline 32 are positioned and arranged on the gas production channel 23 through the fixing clamping plates 31, the gas production pipeline 33 is connected with the gas production head 37, the pressure increasing pipeline 32 is connected with the impact gas head 36, and a flow meter 38 is arranged on the gas production pipeline 33. The top of gas production passageway 23 is provided with linking system 39, gas production pipeline 33 and pressurized conduit 32 are external gas supply line and gas collection pipeline respectively. The material conveying end of the operation frame 15 is correspondingly connected with the processing compartment 11.
For gas production, the gas flow end 34 is inclined upwards and forms a 90-degree included angle with the rotary earth drilling frame 26, and compared with water slurry, gas is located on the upper layer, so that gas can be effectively collected and the water slurry is avoided; and the airflow end 34 is vertically arranged with the earth drilling line, namely is vertical to the flowing direction of the water slurry, so that the interference of the water slurry blocking the air hole is effectively reduced.
Example two:
referring to fig. 1 and fig. 6, this embodiment is a further optimization of the embodiment, on the basis of which, a clamping seat 69 is installed at the bottom end of the main bracket 13, the steering wheel 14 is installed between the clamping seats 69 through a support shaft, a transmission frame 61 is also installed at the side edge of the main bracket 13, a sliding rail 62 is arranged at the side edge of the transmission frame 61, a displacement seat 63 is installed on the sliding rail 62, an adjusting strut 64 is externally installed on the displacement seat 63, and the bottom end of the adjusting strut 64 is installed and fixed with the operation frame 15 through a lower installation frame 65. The inner cavity of the transmission frame 61 is provided with a transmission screw rod 67, the transmission screw rod 67 is provided with a built-in threaded sleeve 66, and the built-in threaded sleeve 66 is connected with the displacement seat 63. A locking frame 68 is further installed between the main bracket 13 and the clamping seat 69, and a plurality of transverse locking plugs 60 are installed on the locking frame 68.
For the adjustment of the operation angle, the corresponding transmission frame 61 is arranged on the side edge of the operation frame, the transmission frame is used as a transmission tool through screw rod transmission, the built-in threaded sleeve 66 is driven to move, then the built-in threaded sleeve drives and pushes the adjusting support rod 64, namely, the rotation angle of the steering wheel 14 is adjusted, after the rotation angle is determined, the locking frame 68 is assembled, locking is carried out in the direction of the horizontal axis through the transverse locking plug 60, the locking effect is further ensured, and the angle deviation generated when the locking frame subsequently extends into the soil layer is avoided.
In order to further explain the operation mode of the application, the application also discloses an operation method of the underground extraction outburst elimination device, which comprises the following steps:
step one; determining corresponding underground coordinates according to the specific required position of downward crossing of the coal mine, and designing a related numerical control program;
step two; starting equipment according to a proposed numerical control program, firstly adjusting the steering angle of the operation frame 15, and after confirming that the steering angle is correct, starting a transmission mechanism to drive the extraction mechanism 17 to extend to the underground position;
step three; protecting and sealing the downward through hole to make the hole sealing pipe and the vent pipe in a sealing state with the hole wall of the downward through hole;
step four; firstly, pumping water to a coal mine crossing zone through a pumping channel 2, discharging water slurry in the zone, and inputting the water slurry into a water treatment system in a treatment chamber 11;
Step five; the supercharging mechanism is started, air pressure impact is carried out on the outer side of the secondary pump 35 through inert gas, the gas production port is prevented from being blocked, and then the gas production pipeline 33 is started to extract and collect gas.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An underground extraction outburst elimination device comprises a rack (1), wherein a treatment chamber (11) is arranged on the rack (1), a foundation support (12) is externally arranged on the front side of the treatment chamber (11), a main support (13) is arranged on the foundation support (12), a steering wheel (14) is arranged at the bottom end of the main support (13), an operation frame (15) is arranged on the steering wheel (14), the underground extraction outburst elimination device is characterized in that an extraction mechanism (17) is arranged at the bottom end of the operation frame (15) through a locking installation sleeve (16), the main body of the extraction mechanism (17) is a tubular external fixed frame (21), a water pumping channel (22) and a gas production channel (23) are arranged on the tubular external fixed frame (21), a rotary drilling earth frame (26) is arranged at the bottom end of the water pumping channel (22) through a coupling (25), and a water pumping end (27) is arranged at the bottom end of the rotary drilling earth frame (26), the bottom of end of drawing water (27) is provided with cone (28), the end of drawing water (27) main part is a section of thick bamboo (41) that draws water, the side of a section of thick bamboo (41) that draws water is provided with into water regional (42), a section of thick bamboo (41) inner chamber is installed curved surface breakwater (43) again that draws water, curved surface breakwater (43) are installed in a section of thick bamboo (41) that draws water through steering shaft (44), the top of a section of thick bamboo (41) that draws water is external to have water delivery passageway (46), the main shaft of rotatory brill soil frame (26) is interior hollow structure, water delivery passageway (46) are linked together with pumping channel (22), be provided with air current end (34) on gas production passageway (23), air current end (34) are the tilting and install in tubulose solid frame (21) outer wall position, air current end (34) are tilt and form 90 contained angles with rotatory brill soil frame (26), be provided with second grade machine pump (35) on air current end (34), the secondary pump (35) is provided with a gas production head (37) and an impact gas head (36), the gas production channel (23) is internally provided with a plurality of fixing clamping plates (31), the gas production channel (23) is provided with a gas production pipeline (33) and a pressurizing pipeline (32) in a positioning mode through the fixing clamping plates (31), the gas production pipeline (33) is connected with the gas production head (37), and the pressurizing pipeline (32) is connected with the impact gas head (36).
2. The undermine extraction outburst removal device according to claim 1, wherein the water entry region (42) is designed as a mesh-like structure.
3. The underground extraction outburst elimination device according to claim 1, wherein an electric control micro motor (45) is arranged on the outer side of the water pumping cylinder (41), and the electric control micro motor (45) is a driving end of a steering shaft (44).
4. The undermine extraction outburst elimination device according to claim 1, wherein a flow meter (38) is mounted on the gas production pipeline (33).
5. The underground extraction outburst elimination device according to claim 1, wherein an engagement system (39) is arranged at the top of the gas production channel (23), and the gas production pipeline (33) and the pressurization pipeline (32) are externally connected with a gas supply pipeline and a gas collection pipeline respectively.
6. The underground extraction outburst elimination device according to claim 1, wherein the conveying end of the operation frame (15) is correspondingly connected with the processing compartment (11).
7. The mining extraction outburst elimination device according to claim 1, wherein clamping seats (69) are installed at the bottom end of the main support (13), the steering wheel (14) is installed between the clamping seats (69) through a supporting shaft, a transmission frame (61) is further installed on the side edge of the main support (13), a sliding rail (62) is arranged on the side edge of the transmission frame (61), a displacement seat (63) is installed on the sliding rail (62), an adjusting support rod (64) is installed outside the displacement seat (63), and the bottom end of the adjusting support rod (64) is fixedly installed on the operation frame (15) through a lower installation frame (65).
8. The underground extraction outburst elimination device according to claim 7, wherein a transmission screw rod (67) is arranged in an inner cavity of the transmission frame (61), a built-in threaded sleeve (66) is mounted on the transmission screw rod (67), and the built-in threaded sleeve (66) is connected with the displacement seat (63).
9. The mining extraction outburst elimination device according to claim 7, wherein a locking frame (68) is further installed between the main support (13) and the clamping seat (69), and a plurality of transverse locking plugs (60) are installed on the locking frame (68).
10. The operation method of the underground extraction outburst elimination device according to any one of claims 1 to 9, characterized by comprising the following steps:
determining corresponding underground coordinates according to the required specific position of downward crossing of the coal mine, and designing a related numerical control program;
secondly, starting equipment according to a proposed numerical control program, firstly adjusting the steering angle of the operation frame (15), and after confirming that the steering angle is correct, starting a transmission mechanism to drive the extraction mechanism (17) to extend to the underground position;
step three, carrying out hole protection and hole sealing operation on the downward through hole to enable the hole sealing pipe and the vent pipe to be in a sealing state with the hole wall of the downward through hole;
Pumping water to a coal mine crossing region through a water pumping channel (2) to discharge water slurry in the region, and inputting the water slurry into a water treatment system in a treatment chamber (11);
and step five, starting a pressurization mechanism, performing air pressure impact on the outer side of the secondary pump (35) through inert gas to prevent the gas production port from being blocked, and then starting the gas production pipeline (33) to extract and collect gas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700757.7A CN111852546B (en) | 2020-07-20 | 2020-07-20 | Underground extraction outburst elimination device and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010700757.7A CN111852546B (en) | 2020-07-20 | 2020-07-20 | Underground extraction outburst elimination device and operation method thereof |
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| CN111852546B CN111852546B (en) | 2021-11-02 |
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| CN102606190A (en) * | 2011-01-20 | 2012-07-25 | 淮南矿业(集团)有限责任公司 | Method and device for using downward crossing hole to eliminate outburst in mining of coal mine |
| CN105201547A (en) * | 2015-10-09 | 2015-12-30 | 河南理工大学 | Automatic water and slag discharging device in downward-hole gas extraction at water-rich area |
| CN205089357U (en) * | 2015-10-09 | 2016-03-16 | 河南理工大学 | Water enriched area takes out in down hole and adopts gas automatic drainage and arrange taking out of sediment device and adopt piece -rate system |
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