CN105401974A - System and method for gas intelligent extraction - Google Patents
System and method for gas intelligent extraction Download PDFInfo
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- CN105401974A CN105401974A CN201510975606.1A CN201510975606A CN105401974A CN 105401974 A CN105401974 A CN 105401974A CN 201510975606 A CN201510975606 A CN 201510975606A CN 105401974 A CN105401974 A CN 105401974A
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- 238000000605 extraction Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 239000002002 slurry Substances 0.000 claims abstract description 52
- 239000000428 dust Substances 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000003245 coal Substances 0.000 claims abstract description 8
- 238000005422 blasting Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 141
- 238000004880 explosion Methods 0.000 claims description 73
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 28
- 238000005086 pumping Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 11
- 239000011440 grout Substances 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000003082 abrasive agent Substances 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 6
- 238000005474 detonation Methods 0.000 abstract 5
- 230000001376 precipitating effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
Classifications
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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
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a system and a method for gas intelligent extraction. A drill hole is provided with a gas detonation device. The gas detonation device is connected with a hollow telescopic steel pipe. The telescopic steel pipe is communicated with the gas detonation device. The lower end of the telescopic steel pipe is provided with a blocking steel plate used to block the drill hole. A sealing layer formed by a blocking bag is arranged below the blocking steel plate. The telescopic steel pipe on the blocking steel plate is provided with telescopic rubber end caps. The telescopic rubber end cap and the blocking steel plate form a blocking cavity. The telescopic rubber end caps are provided with dust precipitating covers. Each dust precipitating cover is provided with a connecting line. Through arrangement of the gas detonation device, detonation in the drill hole is performed, thereby improving permeability of coal body and extraction rate of gas. Through arrangement of the telescopic steel pipe, adjustability of the steel pipe is enhanced, blasting depth is flexibly controlled, and the system is convenient to carry. Through the arrangement of the telescopic rubber end caps, a drill hole tip is sealed, preventing slurry from flowing out.
Description
Technical field
The present invention relates to the extraction field of highly gassy mine gas, particularly relate to a kind of based on the gas intelligent extraction system and method for gas explosion technology with boring autonomous type dynamic seal aperture apparatus.
Background technology
At present, gas explosion accident is one of biggest threat of China's coal-mine safety in production, and gas pumping is the main path administering Gas Disaster.The application of hole pumping and mining in gas pumping field is comparatively extensive, simple and quick, use value is higher, but there is again an a lot of difficult problem in this kind of extraction way, as bad in borehole sealing effect, middle low concentration gas mine gas extraction rate is lower, and gas purity is low, dustiness is high, and these factors often cause gas pumping rate and utilization rate generally to reduce.Therefore, raising borehole sealing effect and gas extraction concentration are the crucial problem that gas pumping faces.
The method for sealing adopted during present stage gas pumping is various, and its essence reaches plug-hole object by forming one section of solid in the borehole exactly.But the solid of formation easily loosens after long gas pumping, can not reach good sealing effectiveness.And although hydraulic fracturing technology can improve coal body permeability, improve gas extraction concentration to a certain extent, require higher to hole sealing technology, practicality is lower.Therefore, prior art needs further improvement and develops.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of based on the gas intelligent extraction system and method for gas explosion technology with boring autonomous type dynamic seal aperture apparatus, with the extraction rate of the permeability and gas that improve coal body.
For solving the problems of the technologies described above, the present invention program comprises:
A kind of based on the gas intelligent extraction system of gas explosion technology with boring autonomous type dynamic seal aperture apparatus, it comprises boring, wherein, gas explosion device is furnished with in boring, gas explosion device is connected with the telescopic steel pipe of hollow, telescopic steel pipe is connected with gas explosion device, telescopic steel pipe lower end is provided with the shutoff steel plate for shutoff boring, the plugged zone formed by shutoff pocket is provided with below shutoff steel plate, the telescopic steel pipe of the top of shutoff steel plate is provided with telescopic rubber plug, a shutoff cavity is formed between telescopic rubber plug and shutoff steel plate, telescopic rubber plug is provided with poly-dust hood, each poly-dust hood is provided with connecting line, be positioned on the connecting line above telescopic rubber plug and be provided with the first valve, the connecting line being positioned at shutoff cavity is provided with the second valve with shower nozzle, be positioned on the connecting line below plugged zone and be provided with the 3rd valve.
Described gas intelligent extraction system, wherein, the telescopic steel pipe of above-mentioned hollow is connected with the first main line by the first tube connector, first main line is connected with the second tube connector, the 3rd tube connector respectively, second tube connector is connected with gas storage tank, second tube connector is provided with the 4th valve and methane Concentration Measurement instrument, the second tube connector between the 4th valve and methane Concentration Measurement instrument is provided with the automatic control pump of gas pumping; 3rd tube connector is connected with liquid methane pressure pan, the 3rd tube connector is provided with the 5th valve.
Described gas intelligent extraction system, wherein, above-mentioned tube connector is connected with the second main line by the 5th tube connector, second main line is provided with four-way connector and three-way connector from top to bottom, four-way connector respectively with the 6th tube connector, 7th tube connector is connected, 6th tube connector and four-way connector junction are provided with the 6th valve, 6th tube connector is connected with dust storage container, 6th tube connector is being provided with the 7th valve and dust concentration detector with dust storage container junction, 7th the 6th tube connector between valve and dust concentration detector is provided with dust catcher, 7th tube connector is being provided with the 8th valve with four-way connector junction, 7th tube connector is connected with waste liquid pool, 7th tube connector is provided with the automatic control pump of discharge opeing at nearly waste liquid pool end, on the 7th tube connector of the automatic control pump of discharge opeing, be provided with fluid particle concentration detector,
Three-way connector is connected with the 8th tube connector, the 9th tube connector respectively, the junction of the 8th tube connector and three-way connector is provided with the 9th valve, 8th tube connector is connected with water tank, 8th tube connector is being provided with the tenth valve with water tank junction, is provided with the automatic control pump that supplies water on the 8th tube connector of the tenth valve; The junction of the 9th tube connector and three-way connector is provided with the 11 valve, 9th tube connector is connected with automatic stirring slurry can, 9th tube connector starches automatic control pump being provided with to take out with automatic stirring slurry can junction, automatic stirring slurry can is connected with the 8th tube connector by the tenth tube connector, and the tenth tube connector is provided with the 12 valve.
Described gas intelligent extraction system, wherein, above-mentioned automatic stirring slurry can comprises outer tank, inner canister is provided with in outer tank, the bottom of inner canister is arranged on a rotating disk, and outer pot bottom is arranged on pallet, and pallet is connected with a bracing frame, rotating disk is provided with a rotating shaft, rotating shaft is connected with a drive motors through pallet; Be provided with water inlet and charging aperture above inner canister, be provided with grout outlet below inner canister, grout outlet is provided with stop valve, grout outlet is starched automatic control pump by outlet pipe and is connected with taking out.
Described gas intelligent extraction system, wherein, above-mentioned gas explosion device is spherical gas explosion device, gas explosion device is evenly arranged multiple gas explosion hole, the upper end in each gas explosion hole is provided with draw-in groove, be provided with an organic glass sheet with plane of weakness in draw-in groove, the organic glass sheet with plane of weakness covers the upper end in corresponding gas explosion hole, is configured with an organic glass sheet popping-up box between two corresponding gas explosion holes; The lower end in each gas explosion hole is provided with a dust-filtering net.
Described gas intelligent extraction system, wherein, gas intelligent extraction system configuration has a control centre, control centre is connected with corresponding component by respective data lines, control centre comprises display and control button group, and control button group comprises telescopic steel pipe control button, gas explosion device control button, dust discharge control button, pipeline cleaning control button, sealing of hole extraction control button and plasma discharge control button.
Described gas intelligent extraction system, wherein, is provided with pressure sensor between above-mentioned shutoff steel plate and plugged zone; Telescopic steel pipe and plugged zone junction are provided with fixed steelring.
Use a method for described gas intelligent extraction system, it comprises the following steps:
A, pulping stage: the automatic control pump that supplies water is supplied water in automatic stirring slurry can by the 8th tube connector and the tenth tube connector, synchronous adds abrasive material in automatic stirring slurry can, when the water yield in automatic stirring slurry can arrives preset value, the automatic control pump that supplies water is starched automatic control pump and is quit work with taking out, 12 valve closing, the work of automatic stirring slurry can is until stop when slurry agitation is even;
B, explosion step: be placed in boring by telescopic steel pipe, telescopic rubber plug, put into boring bottom by telescopic steel pipe; And then by shutoff steel plate, plugged zone shutoff at foot of hole, now, opening the 5th valve makes the gases at high pressure in liquid methane pressure pan enter in gas explosion device by the 3rd tube connector, the first main line, the first tube connector, along with the rising of gas explosion device internal gas pressure, high pressure gas knows from experience the plane of weakness generation gas explosion at the organic glass sheet with plane of weakness, and gases at high pressure moment impact to coal body completes initial blasting; Then repeatedly explosion is carried out by the position of telescopic steel pipe adjustment gas explosion device;
C, row's dust step: dust catcher is started working, 7th valve, the 6th valve, the 3rd valve and the first valve open, dust suction is carried out by poly-dust hood, when the registration on methane Concentration Measurement instrument board is lower than initial setting, dust catcher quits work, and the 7th valve, the 6th valve, the 3rd valve and the first valve are closed automatically;
D, pipe blow-through step: the automatic control pump that supplies water is started working, tenth valve, the 9th valve, the 3rd valve, the second valve open, first valve closing, shutoff cavity is cleaned, when the hydraulic pressure of telescopic rubber plug reaches preset value, pressure sensor between shutoff steel plate and the plugged zone automatic control pump that controls to supply water quits work, close the tenth valve, the 9th valve simultaneously, then the 8th valve is opened, the automatic control pump of discharge opeing is started working, and makes the sewage in shutoff cavity import in waste liquid pool by the 7th tube connector; After sewage emptying in shutoff cavity, the automatic control pump that supplies water is started working and again to be cleaned shutoff cavity, until the registration of fluid particle concentration detector is lower than preset value, then the sewage in emptying shutoff cavity, stops cleaning, and close corresponding valve;
E, dynamically sealing of hole and gas pumping step: take out the automatic control pump of slurry and start working, and open the 11 valve, the 3rd valve, the second valve open, close the first valve, slurry obtained for automatic stirring slurry can in steps A is injected in shutoff cavity; Synchronous, the automatic control pump of gas pumping is started working, open the 4th valve, the gas in boring is made to enter the first tube connector by the gas explosion hole of gas explosion device, enter in gas storage tank by the first main line, the second tube connector again, air pressure in boring is reduced fast, thus promote, plugged zone, shutoff steel plate, telescopic rubber plug move in boring, until the slurry in telescopic rubber plug is pressed onto when reaching preset value, take out the automatic control pump of slurry to quit work, and close the 11 valve, the 3rd valve, the second valve open; Until when the registration of methane Concentration Measurement instrument is lower than preset value, the automatic control pump of gas pumping quits work, and closes the 4th valve;
F, plasma discharge step: the automatic control pump of discharge opeing is started working, 3rd valve, the second valve, the 8th valve open, first valve closing, the slurry in shutoff cavity is made to import in waste liquid pool by the 7th tube connector, after treating the slurry discharge in shutoff cavity, repeated washing pipe step is until clean up shutoff cavity.
Provided by the invention a kind of based on the gas intelligent extraction system and method for gas explosion technology with boring autonomous type dynamic seal aperture apparatus, by the setting of gas explosion device, carry out brill downhole explosion, improve the permeability of coal body and the extraction rate of gas; By the setting of telescopic steel pipe, not only increase the controllability of steel pipe, the flexible controlled blasting degree of depth, is also easy to carry; Boring faces end head plugging is carried out, the outflow of control slurries by the setting of telescopic rubber plug; By taking out the setting of starching automatic control pump, plug-hole can be carried out by slurries injection hole coal and rock crack, improving sealing quality; But also control centre can be configured carry out intellectualized detection control, decrease the manpower and materials consumption of test process.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas intelligent extraction system in the present invention;
Fig. 2 is the structural representation in the present invention in boring;
Fig. 3 is the structural representation of automatic stirring slurry can in the present invention;
Fig. 4 is the structural representation of control centre in the present invention;
Fig. 5 is the structural representation of gas explosion device in the present invention;
Fig. 6 is the cross-sectional view of gas explosion device in the present invention.
Detailed description of the invention
The invention provides a kind of based on the gas intelligent extraction system and method for gas explosion technology with boring autonomous type dynamic seal aperture apparatus, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of based on the gas intelligent extraction system of gas explosion technology with boring autonomous type dynamic seal aperture apparatus, as Fig. 1, shown in Fig. 2, it comprises boring 1, wherein, gas explosion device 2 is furnished with in boring 1, gas explosion device 2 is connected with the telescopic steel pipe 3 of hollow, telescopic steel pipe 3 is connected with gas explosion device 2, telescopic steel pipe 3 lower end is provided with the shutoff steel plate 4 for shutoff boring, the plugged zone 5 formed by shutoff pocket is provided with below shutoff steel plate 4, the telescopic steel pipe 3 of the top of shutoff steel plate 4 is provided with telescopic rubber plug 6, a shutoff cavity 7 is formed between telescopic rubber plug 6 and shutoff steel plate 4, telescopic rubber plug 6 is provided with poly-dust hood 8, each poly-dust hood 8 is provided with connecting line 9, be positioned on the connecting line 9 above telescopic rubber plug 6 and be provided with the first valve 10, the connecting line 9 being positioned at shutoff cavity 7 is provided with the second valve 11 with shower nozzle, be positioned on the connecting line 9 below plugged zone 5 and be provided with the 3rd valve 12.
Further, the telescopic steel pipe 3 of above-mentioned hollow is connected with the first main line 14 by the first tube connector 13, first main line 14 is connected with the second tube connector 15, the 3rd tube connector 16 respectively, second tube connector 15 is connected with gas storage tank 17, second tube connector 15 is provided with on the 4th valve 18 and the second tube connector 15 between methane Concentration Measurement instrument the 19, four valve 18 and methane Concentration Measurement instrument 19 and is provided with the automatic control pump 20 of gas pumping; 3rd tube connector 16 is connected with liquid methane pressure pan 21, the 3rd tube connector 16 is provided with the 5th valve 22.
In another preferred embodiment of the present invention, above-mentioned tube connector 9 is connected with the second main line 24 by the 5th tube connector 23, second main line 24 is provided with four-way connector 25 and three-way connector 26 from top to bottom, four-way connector 25 respectively with the 6th tube connector 27, 7th tube connector 28 is connected, 6th tube connector 27 is provided with the 6th valve 29 with four-way connector 25 junction, 6th tube connector 27 is connected with dust storage container 30, 6th tube connector 27 is being provided with the 7th valve 31 and dust concentration detector 32 with dust storage container 30 junction, the 6th tube connector 27 between 7th valve 31 and dust concentration detector 32 is provided with dust catcher 33, 7th tube connector 28 is being provided with the 8th valve 34 with four-way connector 25 junction, 7th tube connector 28 is connected with waste liquid pool 35,7th tube connector 28 is provided with the automatic control pump 36 of discharge opeing at nearly waste liquid pool 35 end, on the 7th tube connector 28 of the automatic control pump 36 of discharge opeing, be provided with fluid particle concentration detector 37,
Three-way connector 26 is connected with the 8th tube connector 38, the 9th tube connector 39 respectively, 8th tube connector 38 is provided with the 9th valve 40 with the junction of three-way connector 26,8th tube connector 38 is connected with water tank 41,8th tube connector 38 is being provided with the tenth valve 42 with water tank 41 junction, is provided with the automatic control pump 43 that supplies water on the 8th tube connector 38 of the tenth valve 42; 9th tube connector 39 is provided with the 11 valve 44 with the junction of three-way connector 26,9th tube connector 39 is connected with automatic stirring slurry can 45,9th tube connector 39 starches automatic control pump 46 being provided with to take out with automatic stirring slurry can 45 junction, automatic stirring slurry can 45 is connected with the 8th tube connector 38 by the tenth tube connector 47, and the tenth tube connector 47 is provided with the 12 valve 48.
Further, as shown in Figure 3, above-mentioned automatic stirring slurry can 45 comprises outer tank 49, inner canister 50 is provided with in outer tank 49, the bottom of inner canister 50 is arranged on a rotating disk 51, is arranged on pallet 52 bottom outer tank 49, and pallet 52 is connected with a bracing frame 53, rotating disk 51 is provided with a rotating shaft 54, rotating shaft 54 is connected with a drive motors through pallet 52; Be provided with water inlet 55 and charging aperture 56 above inner canister 50, water inlet 55 is connected with the tenth tube connector 47, is provided with grout outlet 57 below inner canister 50, grout outlet 57 is provided with stop valve 58, and grout outlet 57 is starched automatic control pump 45 by outlet pipe and is connected with taking out.
Further, as shown in Figure 5, Figure 6, above-mentioned gas explosion device 2 is spherical gas explosion device, gas explosion device 2 is evenly arranged multiple gas explosion hole 59, the upper end in each gas explosion hole 59 is provided with draw-in groove 60, be provided with an organic glass sheet 61 with plane of weakness in draw-in groove 60, the organic glass sheet 61 with plane of weakness covers the upper end in corresponding gas explosion hole 59, is configured with an organic glass sheet popping-up box 62 between two corresponding gas explosion holes 59; The lower end in each gas explosion hole 59 is provided with a dust-filtering net 63.
And gas intelligent extraction system configuration has a control centre 64, control centre 64 is connected with corresponding component by respective data lines, control centre 64 comprises display 65 and control button group, and control button group comprises telescopic steel pipe control button 66, gas explosion device control button 67, dust discharge control button 68, pipeline cleaning control button 69, sealing of hole extraction control button 70 and plasma discharge control button 71.Pressure sensor 72 is provided with between above-mentioned shutoff steel plate 4 and plugged zone 5; Telescopic steel pipe 3 and plugged zone 5 junction are provided with fixed steelring 73.Such as gas explosion device 2, telescopic steel pipe 3, pressure sensor 72 and each valve, detector, control pump all communicated to connect with control centre 64 by corresponding data wire 74, and as concrete connection status as shown in Figure 1, this is no longer going to repeat them.
Present invention also offers a kind of method using above-mentioned gas intelligent extraction system, it comprises the following steps:
A, pulping stage: the automatic control pump 43 that supplies water is supplied water in automatic stirring slurry can 45 by the 8th tube connector 38 and the tenth tube connector 47, synchronous adds abrasive material in automatic stirring slurry can 45, when the water yield in automatic stirring slurry can 45 arrives preset value, the automatic control pump 43 that supplies water is starched automatic control pump and is quit work with taking out, 12 valve 48 is closed, and automatic stirring slurry can 45 works until stop when slurry agitation is even;
B, explosion step: telescopic steel pipe 3, telescopic rubber plug 6 are placed in boring 1, telescopic steel pipe 3 are put into boring 1 bottom; And then by shutoff steel plate 4, plugged zone 5 shutoff bottom boring 1, now, opening the 5th valve 22 makes the gases at high pressure in liquid methane pressure pan 21 enter in gas explosion device 2 by the 3rd tube connector 16, first main line 14, first tube connector 13, along with the rising of gas explosion device 2 internal gas pressure, high pressure gas knows from experience the plane of weakness generation gas explosion at the organic glass sheet 61 with plane of weakness, and gases at high pressure moment impact to coal body completes initial blasting; Then repeatedly explosion is carried out in the position adjusting gas explosion device by telescopic steel pipe 3;
C, row's dust step: dust catcher 33 is started working, 7th valve 31, the 6th valve 29, the 3rd valve 12 and the first valve 10 are opened, dust suction is carried out by poly-dust hood 8, when the registration on methane Concentration Measurement instrument 19 dial plate is lower than initial setting, dust catcher 33 quits work, and the 7th valve 31, the 6th valve 29, the 3rd valve 12 and the first valve 10 are closed automatically;
D, pipe blow-through step: the automatic control pump 43 that supplies water is started working, tenth valve 42, 9th valve 40, 3rd valve 12, second valve 11 is opened, first valve 10 is closed, shutoff cavity 7 is cleaned, when the hydraulic pressure of telescopic rubber plug 6 reaches preset value, pressure sensor 72 between shutoff steel plate 4 and the plugged zone 5 automatic control pump 43 that controls to supply water quits work, close the tenth valve 42 simultaneously, 9th valve 40, then the 8th valve 34 is opened, the automatic control pump 36 of discharge opeing is started working, the sewage in shutoff cavity 7 is made to import in waste liquid pool 35 by the 7th tube connector 28, after sewage emptying in shutoff cavity 7, the automatic control pump 43 that supplies water is started working and again to be cleaned shutoff cavity 7, until the registration of fluid particle concentration detector 37 is lower than preset value, then and the sewage in emptying shutoff cavity 7, stop cleaning, and close corresponding valve,
E, dynamically sealing of hole and gas pumping step: take out the automatic control pump 46 of slurry and start working, and open the 11 valve 44, the 3rd valve 12, second valve 11 is opened, close the first valve 10, slurry obtained for automatic stirring slurry can in steps A 45 is injected in shutoff cavity 7, synchronous, the automatic control pump 20 of gas pumping is started working, open the 4th valve 18, the gas of in boring 1 is made to enter the first tube connector 13 by the gas explosion hole 59 of gas explosion device 2, again by the first main line 14, second tube connector 14 enters in gas storage tank 17, air pressure in boring 1 is reduced fast, thus promote, plugged zone 5, shutoff steel plate 4, telescopic rubber plug 6 moves in boring 1, until the slurry in telescopic rubber plug 6 is pressed onto when reaching preset value, take out the automatic control pump 46 of slurry to quit work, and close the 11 valve 44, 3rd valve 12, second valve 11 is opened, until when the registration of methane Concentration Measurement instrument 19 is lower than preset value, the automatic control pump 20 of gas pumping quits work, and closes the 4th valve 18,
F, plasma discharge step: the automatic control pump 36 of discharge opeing is started working, 3rd valve 12, second valve 11, the 8th valve 34 are opened, first valve 10 is closed, the slurry in shutoff cavity 7 is made to import in waste liquid pool 35 by the 7th tube connector 28, after treating the slurry discharge in shutoff cavity 7, repeated washing pipe step is until clean up shutoff cavity 7.
Certainly; more than illustrate and be only preferred embodiment of the present invention; the present invention is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this manual; made all equivalently to substitute, obvious variant, within the essential scope all dropping on this manual, protection of the present invention ought to be subject to.
Claims (8)
1. the gas intelligent extraction system based on gas explosion technology and boring autonomous type dynamic seal aperture apparatus, it comprises boring, it is characterized in that, gas explosion device is furnished with in boring, gas explosion device is connected with the telescopic steel pipe of hollow, telescopic steel pipe is connected with gas explosion device, telescopic steel pipe lower end is provided with the shutoff steel plate for shutoff boring, the plugged zone formed by shutoff pocket is provided with below shutoff steel plate, the telescopic steel pipe of the top of shutoff steel plate is provided with telescopic rubber plug, a shutoff cavity is formed between telescopic rubber plug and shutoff steel plate, telescopic rubber plug is provided with poly-dust hood, each poly-dust hood is provided with connecting line, be positioned on the connecting line above telescopic rubber plug and be provided with the first valve, the connecting line being positioned at shutoff cavity is provided with the second valve with shower nozzle, be positioned on the connecting line below plugged zone and be provided with the 3rd valve.
2. gas intelligent extraction system according to claim 1, it is characterized in that, the telescopic steel pipe of above-mentioned hollow is connected with the first main line by the first tube connector, first main line is connected with the second tube connector, the 3rd tube connector respectively, second tube connector is connected with gas storage tank, second tube connector is provided with the 4th valve and methane Concentration Measurement instrument, the second tube connector between the 4th valve and methane Concentration Measurement instrument is provided with the automatic control pump of gas pumping; 3rd tube connector is connected with liquid methane pressure pan, the 3rd tube connector is provided with the 5th valve.
3. gas intelligent extraction system according to claim 1, it is characterized in that, above-mentioned tube connector is connected with the second main line by the 5th tube connector, second main line is provided with four-way connector and three-way connector from top to bottom, four-way connector respectively with the 6th tube connector, 7th tube connector is connected, 6th tube connector and four-way connector junction are provided with the 6th valve, 6th tube connector is connected with dust storage container, 6th tube connector is being provided with the 7th valve and dust concentration detector with dust storage container junction, 7th the 6th tube connector between valve and dust concentration detector is provided with dust catcher, 7th tube connector is being provided with the 8th valve with four-way connector junction, 7th tube connector is connected with waste liquid pool, 7th tube connector is provided with the automatic control pump of discharge opeing at nearly waste liquid pool end, on the 7th tube connector of the automatic control pump of discharge opeing, be provided with fluid particle concentration detector,
Three-way connector is connected with the 8th tube connector, the 9th tube connector respectively, the junction of the 8th tube connector and three-way connector is provided with the 9th valve, 8th tube connector is connected with water tank, 8th tube connector is being provided with the tenth valve with water tank junction, is provided with the automatic control pump that supplies water on the 8th tube connector of the tenth valve; The junction of the 9th tube connector and three-way connector is provided with the 11 valve, 9th tube connector is connected with automatic stirring slurry can, 9th tube connector starches automatic control pump being provided with to take out with automatic stirring slurry can junction, automatic stirring slurry can is connected with the 8th tube connector by the tenth tube connector, and the tenth tube connector is provided with the 12 valve.
4. gas intelligent extraction system according to claim 3, it is characterized in that, above-mentioned automatic stirring slurry can comprises outer tank, inner canister is provided with in outer tank, the bottom of inner canister is arranged on a rotating disk, and outer pot bottom is arranged on pallet, and pallet is connected with a bracing frame, rotating disk is provided with a rotating shaft, rotating shaft is connected with a drive motors through pallet; Be provided with water inlet and charging aperture above inner canister, be provided with grout outlet below inner canister, grout outlet is provided with stop valve, grout outlet is starched automatic control pump by outlet pipe and is connected with taking out.
5. gas intelligent extraction system according to claim 1, it is characterized in that, above-mentioned gas explosion device is spherical gas explosion device, gas explosion device is evenly arranged multiple gas explosion hole, the upper end in each gas explosion hole is provided with draw-in groove, be provided with an organic glass sheet with plane of weakness in draw-in groove, the organic glass sheet with plane of weakness covers the upper end in corresponding gas explosion hole, is configured with an organic glass sheet popping-up box between two corresponding gas explosion holes; The lower end in each gas explosion hole is provided with a dust-filtering net.
6. gas intelligent extraction system according to claim 1, it is characterized in that, gas intelligent extraction system configuration has a control centre, control centre is connected with corresponding component by respective data lines, control centre comprises display and control button group, and control button group comprises telescopic steel pipe control button, gas explosion device control button, dust discharge control button, pipeline cleaning control button, sealing of hole extraction control button and plasma discharge control button.
7. gas intelligent extraction system according to claim 1, is characterized in that, is provided with pressure sensor between above-mentioned shutoff steel plate and plugged zone; Telescopic steel pipe and plugged zone junction are provided with fixed steelring.
8. use a method for gas intelligent extraction system as claimed in claim 1, it comprises the following steps:
A, pulping stage: the automatic control pump that supplies water is supplied water in automatic stirring slurry can by the 8th tube connector and the tenth tube connector, synchronous adds abrasive material in automatic stirring slurry can, when the water yield in automatic stirring slurry can arrives preset value, the automatic control pump that supplies water is starched automatic control pump and is quit work with taking out, 12 valve closing, the work of automatic stirring slurry can is until stop when slurry agitation is even;
B, explosion step: be placed in boring by telescopic steel pipe, telescopic rubber plug, put into boring bottom by telescopic steel pipe; And then by shutoff steel plate, plugged zone shutoff at foot of hole, now, opening the 5th valve makes the gases at high pressure in liquid methane pressure pan enter in gas explosion device by the 3rd tube connector, the first main line, the first tube connector, along with the rising of gas explosion device internal gas pressure, high pressure gas knows from experience the plane of weakness generation gas explosion at the organic glass sheet with plane of weakness, and gases at high pressure moment impact to coal body completes initial blasting; Then repeatedly explosion is carried out by the position of telescopic steel pipe adjustment gas explosion device;
C, row's dust step: dust catcher is started working, 7th valve, the 6th valve, the 3rd valve and the first valve open, dust suction is carried out by poly-dust hood, when the registration on methane Concentration Measurement instrument board is lower than initial setting, dust catcher quits work, and the 7th valve, the 6th valve, the 3rd valve and the first valve are closed automatically;
D, pipe blow-through step: the automatic control pump that supplies water is started working, tenth valve, the 9th valve, the 3rd valve, the second valve open, first valve closing, shutoff cavity is cleaned, when the hydraulic pressure of telescopic rubber plug reaches preset value, pressure sensor between shutoff steel plate and the plugged zone automatic control pump that controls to supply water quits work, close the tenth valve, the 9th valve simultaneously, then the 8th valve is opened, the automatic control pump of discharge opeing is started working, and makes the sewage in shutoff cavity import in waste liquid pool by the 7th tube connector; After sewage emptying in shutoff cavity, the automatic control pump that supplies water is started working and again to be cleaned shutoff cavity, until the registration of fluid particle concentration detector is lower than preset value, then the sewage in emptying shutoff cavity, stops cleaning, and close corresponding valve;
E, dynamically sealing of hole and gas pumping step: take out the automatic control pump of slurry and start working, and open the 11 valve, the 3rd valve, the second valve open, close the first valve, slurry obtained for automatic stirring slurry can in steps A is injected in shutoff cavity; Synchronous, the automatic control pump of gas pumping is started working, open the 4th valve, the gas in boring is made to enter the first tube connector by the gas explosion hole of gas explosion device, enter in gas storage tank by the first main line, the second tube connector again, air pressure in boring is reduced fast, thus promote, plugged zone, shutoff steel plate, telescopic rubber plug move in boring, until the slurry in telescopic rubber plug is pressed onto when reaching preset value, take out the automatic control pump of slurry to quit work, and close the 11 valve, the 3rd valve, the second valve open; Until when the registration of methane Concentration Measurement instrument is lower than preset value, the automatic control pump of gas pumping quits work, and closes the 4th valve;
F, plasma discharge step: the automatic control pump of discharge opeing is started working, 3rd valve, the second valve, the 8th valve open, first valve closing, the slurry in shutoff cavity is made to import in waste liquid pool by the 7th tube connector, after treating the slurry discharge in shutoff cavity, repeated washing pipe step is until clean up shutoff cavity.
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