CN106288972A - Coal seam sealing of hole carbon dioxide fracturing device - Google Patents
Coal seam sealing of hole carbon dioxide fracturing device Download PDFInfo
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- CN106288972A CN106288972A CN201610907282.2A CN201610907282A CN106288972A CN 106288972 A CN106288972 A CN 106288972A CN 201610907282 A CN201610907282 A CN 201610907282A CN 106288972 A CN106288972 A CN 106288972A
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- Prior art keywords
- carbon dioxide
- supervisor
- passage
- lead
- initiator head
- Prior art date
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 53
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 53
- 239000003245 coal Substances 0.000 title claims abstract description 53
- 238000007789 sealing Methods 0.000 title claims abstract description 20
- 239000003999 initiator Substances 0.000 claims abstract description 37
- 238000004880 explosion Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000002309 gasification Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 241000790917 Dioxys <bee> Species 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000009514 concussion Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000001066 destructive effect Effects 0.000 abstract description 3
- 238000013467 fragmentation Methods 0.000 abstract description 3
- 238000006062 fragmentation reaction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- 229960004424 carbon dioxide Drugs 0.000 description 40
- 239000007789 gas Substances 0.000 description 27
- 238000005516 engineering process Methods 0.000 description 10
- 238000000605 extraction Methods 0.000 description 9
- 239000000428 dust Substances 0.000 description 7
- 239000002360 explosive Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 5
- 238000005422 blasting Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
- F42B3/045—Hybrid systems with previously pressurised gas using blasting to increase the pressure, e.g. causing the gas to be released from its sealed container
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/14—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by compressed air; by gas blast; by gasifying liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Gasket Seals (AREA)
Abstract
The present invention relates to coal mine drilling closure explosion technical field, particularly to coal seam sealing of hole carbon dioxide fracturing device.The heater 2 that it includes being responsible for 1, to be located at supervisor 1 internal fills in chamber 11, the initiator head 3 being located at supervisor 1 front end, be located at supervisor 1 rear end let out can device 4, be located at that let out can the protecting cover 5 of device 4 rear end and hole packer 6；Be provided with on described initiator head 3 let out can passage 31, described in let out and can be connected with the chamber 11 that fills of supervisor 1 one end of passage 31, described in let out and the other end and the carbon dioxide of passage 31 can exploit device and be connected；Described letting out can include letting out energy 41 and letting out energy passage 42 by device 4, described let out can passage 42 and supervisor 1 fill between chamber 11 seal be provided with level pressure let out can sheet 7, described level pressure let out can sheet 7 can promote heater 2 be filled into supervisor 1 fill in chamber 11 liquid carbon dioxide heating and gasifying and expand generation force of explosion；It is characterized in that, passage 31 connectivity part can be provided with carbon dioxide flow regulation valve 8 at carbon dioxide exploitation device with letting out of described initiator head 3.Blast cracking overall process does not produce spark, and fracturing media in bulk rate is high, does not has destructive concussion and the ripple that shakes, and will not bring caving in elsewhere, fragmentation destroys, and force of explosion is easily-controllable.
Description
Technical field
The present invention relates to coal mine drilling closure explosion technical field, particularly to coal seam sealing of hole carbon dioxide fracturing device.
Background technology
One of explosive blasting method being still coal mining at present.Explosive blasting power is big, effect is violent, is typical naked light
Explosion.But naked light explosion has many defects, to use condition, the aspect such as environment, daily management is used to have higher requirements, especially
At underground coal mine.Many coal mine gas explosions all cause due to naked light blast.There is other accidental explosions because of explosive simultaneously
Case also happen occasionally, have impact on safety in production, also result in economy loss.
Coal technology is broken early than the high pressure pneumatic component that begins one's study in 1938, to 50-60 age, generation by Lang Aidao company of the U.S.
In boundary, the country such as some relatively advanced countries such as English, method, the United States, Russia, Poland and Norway is by high pressure pneumatic component coal excavation apparatus
For coal-face, this technology has extended to the fast and safely explosion of rock, concrete and other material at present, by extensively
It is used in steel and cement industry.Such as feed bin, pipe explosion unimpeded etc..Current domestic employing carbon dioxide exploitation device carries out coal seam
Anti-reflection method has obtained certain applications, the method increases coal bed gas extraction efficiency, is to solve current coal mine gas drainage
An innovative technology, the down-hole industry experiment data of early stage shows, use carbon dioxide exploitation device carry out the anti-reflection rear coal of fracturing
About layer gas extraction flow maximum increases by 500, mash gas extraction concentration improves nearly about 15 times, when effectively can shorten extraction
Between so that coal gas quickly discharges, it is possible to reducing gas accident and occur, therefore, technology that carbon dioxide is anti-reflection is that gas is controlled
One key technology in reason field, it is achieved that effective extraction of lower permeability seam gas, enhances the technology that gas resources utilizes
Ensure.
But there is the problem in many application, the such as burst strength of carbon dioxide in current existing carbon dioxide exploitation device
Can not be controlled.
Summary of the invention
In order to solve the problems referred to above, it is provided that a kind of carbon dioxide fracturing device, it can provide the force of explosion that can control intensity,
Can substitute for detonator conventional in pit mining and explosive, it is to avoid naked light blast causes gas explosion, it is achieved mine safety production.
The technical solution used in the present invention is: coal seam sealing of hole carbon dioxide fracturing device, and it includes being responsible for 1, being located in supervisor 1
Portion fill the heater 2 in chamber 11, be located at supervisor 1 front end initiator head 3, be located at supervisor 1 rear end let out can device 4, be located at and let out
The protecting cover 5 of energy device 4 rear end and hole packer 6；Being provided with initiator head on described initiator head 3 and let out energy passage 31, described initiator head lets out energy
One end of passage 31 is connected with the chamber 11 that fills of supervisor 1, and described initiator head is let out the other end of energy passage 31 and exploited with carbon dioxide
Device connects；Described let out can device 4 include letting out can 41 and let out can device let out can passage 42, described in let out can device let out can passage 42 and supervisor 1
Fill seal between chamber 11 be provided with level pressure let out can sheet 7, described level pressure is let out and heater 2 can be promoted to be filled into supervisor 1 fill by sheet 7
The liquid carbon dioxide heating and gasifying behave affectedly in 11 also expands generation force of explosion；It is characterized in that, carbon dioxide exploitation device with
The initiator head of described initiator head 3 is let out and passage 31 connectivity part can be provided with carbon dioxide flow regulation valve 8.
The optimization of the present invention, according to coal seam sealing of hole carbon dioxide fracturing device described above, it is characterised in that: described heating
Device 2 provides energy heats material for liquid CO 2 gasification, and described heater 2 includes trigger 21, protective cover 22 and
Heating material within protective cover 22, described trigger 21 includes the electric igniter being embedded in heating material, described electric ignition
On head, connection has two lead-in wires 23, these the two 23 power positive cathode electrical connections outside carbon dioxide fracturing device that go between.
The optimization of the present invention, according to the coal seam sealing of hole carbon dioxide fracturing device described in the top, it is characterised in that: described
Be provided with on quick-fried 3 lead-in wire outer conductor 32, described lead-in wire outer conductor 32 insulate with initiator head 3, lead-in wire outer conductor 32 one end and
A wherein lead-in wire 23 connection being connected on heater 2, the other end prolongs outside carbon dioxide exploitation device.
The optimization of the present invention, according to the coal seam sealing of hole carbon dioxide fracturing device described in the top, it is characterised in that: described
It is fixed with conductive gasket 9, on the centre bore of described conductive gasket 9 between the end of one end that quick-fried 3 and supervisor 1 screw and supervisor 1
Being fixed with insulating joint, described insulating joint blocks on the opening that heating material contains protective cover 22, described insulating joint
Be provided with fairlead, described in the wherein lead-in wire 23 that is connected on electric igniter through fairlead with lead-in wire outer conductor 32 even
Connecing, the heating material that is positioned at of fairlead is contained the port closing outside protective cover 22 straight tube by described lead-in wire outer conductor 32, described in lead
It is provided with connection initiator head 3 in the entity part of electrical pad circle 9 let out energy passage 31 and be responsible for 1 flowing hole filling chamber 11.
The optimization of the present invention, according to the coal seam sealing of hole carbon dioxide fracturing device described in the top, it is characterised in that: described master
Pipe 1 is made up of ferrous materials, and described conductive gasket 9 is made of copper.
The operation principle of the present invention is: let out can head let out can the filling to seal between chamber and be provided with level pressure and let out energy of passage and supervisor
Sheet, the intracavity that fills of supervisor is provided with heater, and level pressure is let out can sheet liquid two in heater is filled with main tube cavity
Carbonoxide heating and gasifying also ruptures when expanding into certain pressure, can be according to the thickness of explosion thing and area, by regulation titanium dioxide
The flow of carbon thus level of breakage can be controlled, it is to avoid the excessive destruction causing other not avoid of explosion power.The present invention can replace ore deposit
Conventional detonator and explosive in well exploitation, it is to avoid naked light blast causes gas explosion, it is achieved mine safety production, it is also possible to watt
Make coal body presplitting during this extraction, be effectively increased gas permeability of coal seam, improve coal bed gas extraction efficiency.
Compared with prior art, its effect is the present invention: the technology of the present invention solves and cannot be used for coal mine work in the past
An industry difficult problem, can carry out underground coal mine driving and stoping operation.
1, blast cracking overall process does not produce spark, when liquid CO 2 transforms into gas, absorbs substantial amounts of heat,
Highly gassy mine and coal and gas outburst mine are carried out fracturing back production the safest.
2, fracturing media in bulk rate is up to more than 80%, and explosion will not produce impulsive force, explosion block will not be caused to splash, powder
Dust concentration is little, not airborne dust, produces without toxic and harmful, improves working environment, and useful miner is healthy and safety.
3, there is no destructive concussion and the ripple that shakes, caving in elsewhere, fragmentation will not be brought to destroy.
4, just can directly carry out field operation after media fracturing, it is not necessary to watering and lowering dust, can work continuously.
5, force of explosion is easily-controllable, and the flow controlling liquid CO 2 can controlled blasting force intensity.
Accompanying drawing explanation
Fig. 1 is that coal seam of the present invention sealing of hole carbon dioxide fracturing device assembles pre-structure schematic diagram；
Fig. 2 is structural representation after coal seam of the present invention sealing of hole carbon dioxide fracturing device assembles；
Reference: supervisor-1, fill chamber-11, heater-2, trigger-21, protective cover-22, lead-in wire-23, detonate
Head-3, initiator head let out can passage-31, lead-in wire outer conductor-32, let out can device-4, let out can head-41, let out can device let out can passage-42, protect
Lid-5, hole packer-6, level pressure are let out can sheet-7, flow control valve-8, conductive gasket-9.
Detailed description of the invention
In order to make the technological means of the present invention, creation characteristic, reach purpose and be easy to understand with effect, in conjunction with specifically
Embodiment and accompanying drawing, be further elaborated the present invention.
Coal seam sealing of hole carbon dioxide fracturing device, it includes being responsible for 1, be located at that supervisor 1 is internal fills the heater in chamber 11
2, be located at supervisor 1 front end initiator head 3, be located at supervisor 1 rear end let out can device 4, be located at that let out can the protecting cover 5 of device 4 rear end and sealing of hole
Device 6；Being provided with initiator head on described initiator head 3 and let out energy passage 31, described initiator head is let out can one end of passage 31 and filling of supervisor 1
Behaveing affectedly 11 connections, described initiator head is let out and the other end of passage 31 can be exploited device with carbon dioxide and be connected；Described letting out can include letting out by device 4
Can 41 and let out can device let out can passage 42, described in let out can device let out can passage 42 and supervisor 1 fill seal between chamber 11 be provided with fixed
Pressure let out can sheet 7, described level pressure is let out and heater 2 can be promoted to be filled into the liquid carbon dioxide that fills in chamber 11 of supervisor 1 add by sheet 7
Thermal evaporation and expand generation force of explosion；Initiator head at carbon dioxide exploitation device with described initiator head 3 is let out can passage 31 connectivity part
It is provided with carbon dioxide flow regulation valve 8.
Described heater 2 provides energy heats material for liquid CO 2 gasification, and described heater 2 includes starting
Device 21, protective cover 22 and the heating material within protective cover 22, described trigger 21 includes the electric point being embedded in heating material
Duration and degree of heating, described electric igniter connects and has two lead-in wires 23, these two lead-in wire 23 power supplys outside carbon dioxide fracturing device
Both positive and negative polarity electrically connects.
Being provided with lead-in wire outer conductor 32 on described initiator head 3, described lead-in wire outer conductor 32 insulate with initiator head 3, outside lead-in wire
One end of conductor 32 is connected with the wherein lead-in wire 23 being connected on heater 2, and the other end prolongs exploits device to carbon dioxide
Outward.
It is fixed with conductive gasket 9, described conductive pad between the end of one end that described initiator head 3 and supervisor 1 screw and supervisor 1
Being fixed with insulating joint on the centre bore of circle 9, described insulating joint blocks on the opening that heating material contains protective cover 22,
Described insulating joint is provided with fairlead, described in the wherein lead-in wire 23 that is connected on electric igniter through fairlead and lead-in wire
Outer conductor 32 connects, and described lead-in wire outer conductor 32 is by the aperture envelope being positioned at outside heating material splendid attire protective cover 22 straight tube of fairlead
Stifled, the initiator head that the entity part of described conductive gasket 9 is provided with connection initiator head 3 is let out and can be filled chamber with supervisor 1 by passage 31
The flowing hole of 11.
Described supervisor 1 is made up of ferrous materials, and described conductive gasket 9 is made of copper.
The Application way of coal seam sealing of hole carbon dioxide fracturing device, is tightened on valve body including cylinder threaded one end, and cylinder is another
Red copper pad is put in one end and union joint contact site, shearing sheet rear thread is tightened, and opens and fills switch, fills full from filling mouth
Liquid carbon dioxide, closes after filling switch, the union joint of valve body end is screwed at cylinder, is characterised by: 1. from cable
Cable is connected on binding post by line cable hole, connects plug connecting cable with cable, blocks its cable trunking with adhesive tape,
Place remaining cable trunking of cable with resin material closure, constitute a carbon dioxide phase transformation coal seam fracturing device, 2. at coal
Play a coal seam fracturing boring in Ceng, fracturing device one end, carbon dioxide phase transformation coal seam partial insertion is holed, other end screw thread
Connect another carbon dioxide phase transformation coal seam fracturing device, connect plug connecting cable adhesive tape by cable and block its part
Cable trunking, rotates with rig or directly pushes boring, more threaded next carbon dioxide phase transformation coal seam fracturing device, then pass through
Cable connects plug connecting cable adhesive tape and blocks its partial cables wire casing, then rotates with rig or directly push boring, weight
This operation multiple, the carbon dioxide phase transformation coal seam fracturing device quantity inserting boring reaches to stop this behaviour during the fracturing engine request of coal seam
Make, connect by cable and be electrically excited electro-heat equipment and become gases at high pressure by liquid carbon dioxide mutually and make shearing sheet be cut up, high pressure
Gas sprays fracturing coal seam from venting of dust explosion hole.
The operation principle of this specific embodiment is: let out can head let out can the filling to seal between chamber and be provided with level pressure of passage and supervisor
Letting out energy sheet, the intracavity that fills of supervisor is provided with heater, and level pressure is let out can sheet liquid in heater is filled with main tube cavity
State carbon dioxide heating and gasifying also ruptures when expanding into certain pressure, can be according to the thickness of explosion thing and area, by regulation two
The flow of carbonoxide thus level of breakage can be controlled, it is to avoid the excessive destruction causing other not avoid of explosion power.The present invention can generation
For detonator conventional in pit mining and explosive, it is to avoid naked light blast causes gas explosion, it is achieved mine safety production, it is also possible to
During gas pumping, make coal body presplitting, be effectively increased gas permeability of coal seam, improve coal bed gas extraction efficiency.
Compared with prior art, its effect is this specific embodiment: the technology of the present invention solves and cannot be used for colliery in the past
A well work industry difficult problem, can carry out underground coal mine driving and stoping operation.
1, blast cracking overall process does not produce spark, when liquid CO 2 transforms into gas, absorbs substantial amounts of heat,
Highly gassy mine and coal and gas outburst mine are carried out fracturing back production the safest.
2, fracturing media in bulk rate is up to more than 80%, and explosion will not produce impulsive force, explosion block will not be caused to splash, powder
Dust concentration is little, not airborne dust, produces without toxic and harmful, improves working environment, and useful miner is healthy and safety.
3, there is no destructive concussion and the ripple that shakes, caving in elsewhere, fragmentation will not be brought to destroy.
4, just can directly carry out field operation after media fracturing, it is not necessary to watering and lowering dust, can work continuously.
5, force of explosion is easily-controllable, and the flow controlling liquid CO 2 can controlled blasting force intensity.
The coal seam sealing of hole carbon dioxide fracturing device of the present invention can substitute for detonator and the explosive used in pit mining, it is to avoid
Naked light blast causes gas explosion, it is achieved mine safety production, it is also possible to make coal seam presplitting during gas pumping, effectively increase
Add gas permeability of coal seam, improve coal bed gas extraction efficiency, there is superior serviceability and wide prospect.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel are it should be appreciated that the present invention is not restricted to the described embodiments, and the description in above-described embodiment and description is only the present invention
Preference, the present invention is not limited by above-mentioned preference, without departing from the spirit and scope of the present invention, the present invention
Also can have various changes and modifications, these changes and improvements both fall within the scope of protection of present invention.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. coal seam sealing of hole carbon dioxide fracturing device, it includes being responsible for (1), is located at inside supervisor (1) and fills the heating in chamber (11)
Device (2), be located at supervisor (1) front end initiator head (3), be located at supervisor (1) rear end let out can device (4), be located at that let out can be after device (4)
The protecting cover (5) of end and hole packer (6)；Being provided with initiator head on described initiator head (3) and let out energy passage (31), described initiator head lets out energy
One end of passage (31) is connected with the chamber (11) that fills of supervisor (1), and described initiator head lets out the other end and the dioxy of energy passage (31)
Change carbon exploitation device to connect；Described let out can device (4) include letting out can head (41) and let out can device let out can passage (42), described in let out energy device and let out energy
Passage (42) and supervisor (1) fill between chamber (11) seal be provided with level pressure let out can sheet (7), described level pressure let out can sheet (7) can promote
Make heater (2) be filled into supervisor (1) fill the liquid carbon dioxide heating and gasifying in chamber (11) and expand generation force of explosion；
It is characterized in that, the initiator head at carbon dioxide exploitation device with described initiator head (3) is let out and passage (31) connectivity part can be provided with dioxy
Change carbon flow control valve (8).
Coal seam the most according to claim 1 sealing of hole carbon dioxide fracturing device, it is characterised in that: described heater (2) is
Liquid CO 2 gasification provides energy heats material, and described heater (2) includes trigger (21), protective cover (22) and protects
The heating material that guard shield (22) is internal, described trigger (21) includes the electric igniter being embedded in heating material, described electricity point
Connecting on the height of anger and have two lead-in wires (23), these two lead-in wires (23) power positive cathode outside carbon dioxide fracturing device is electrically connected
Connect.
Coal seam the most according to claim 1 sealing of hole carbon dioxide fracturing device, it is characterised in that: described initiator head sets on (3)
Being equipped with lead-in wire outer conductor (32), described lead-in wire outer conductor (32) is insulated with initiator head (3), one end of lead-in wire outer conductor (32) and company
The wherein lead-in wire (23) being connected on heater (2) connects, and the other end prolongs outside carbon dioxide exploitation device.
Coal seam the most according to claim 1 sealing of hole carbon dioxide fracturing device, it is characterised in that: described initiator head (3) is with main
It is fixed with conductive gasket (9) between the end of one end that pipe (1) screws and supervisor (1), solid on the centre bore of described conductive gasket (9)
Surely having insulating joint, described insulating joint blocks on the opening that heating material contains protective cover (22), described insulating joint
Be provided with fairlead, described in the wherein lead-in wire that is connected on electric igniter through fairlead with lead-in wire outer conductor (32) even
Connecing, the heating material that is positioned at of fairlead is contained the port closing outside protective cover (22) straight tube, institute by described lead-in wire outer conductor (32)
State be provided with in the entity part of conductive gasket (9) connection initiator head (3) initiator head let out can passage (31) and be responsible for (1) fill
The flowing hole in chamber (11).
Coal seam the most according to claim 1 sealing of hole carbon dioxide fracturing device, it is characterised in that: described supervisor (1) is by iron and steel
Material is made, and described conductive gasket (9) is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907282.2A CN106288972A (en) | 2016-10-18 | 2016-10-18 | Coal seam sealing of hole carbon dioxide fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907282.2A CN106288972A (en) | 2016-10-18 | 2016-10-18 | Coal seam sealing of hole carbon dioxide fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106288972A true CN106288972A (en) | 2017-01-04 |
Family
ID=57718823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610907282.2A Pending CN106288972A (en) | 2016-10-18 | 2016-10-18 | Coal seam sealing of hole carbon dioxide fracturing device |
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| Country | Link |
|---|---|
| CN (1) | CN106288972A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918269A (en) * | 2017-03-30 | 2017-07-04 | 湖南烈岩科技有限公司 | Disposable carbon dioxide fracturing device |
| CN107202519A (en) * | 2017-07-31 | 2017-09-26 | 湖南烈岩科技有限公司 | Safe anti-explosion carbon dioxide fracturing equipment |
| CN107269278A (en) * | 2017-05-10 | 2017-10-20 | 山东名世矿业机械有限公司 | A kind of carbon dioxide fracturing device string big gun releases quick-fried device and its releases quick-fried method |
| CN107269279A (en) * | 2017-08-09 | 2017-10-20 | 河北端星气体机械有限公司 | Fracturing device inflating machine |
| CN107461183A (en) * | 2017-09-14 | 2017-12-12 | 安徽理工大学 | A kind of mine carbon dioxide fracturing device |
| CN107676092A (en) * | 2017-10-10 | 2018-02-09 | 山西煤炭运销集团长治有限公司 | A kind of liquid carbon dioxide phase transformation explosion rapid hole sealing device and method for sealing |
| CN108317912A (en) * | 2018-02-28 | 2018-07-24 | 煤炭科学技术研究院有限公司 | One kind filling head, carbon dioxide fracturing device and carbon dioxide fracturing device group |
| CN110439559A (en) * | 2019-07-20 | 2019-11-12 | 邢培培 | A kind of machine-carried type splitting machine |
| CN113062706A (en) * | 2021-04-06 | 2021-07-02 | 中南大学 | Coal seam gas extraction system and method |
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| CN113513946A (en) * | 2021-04-27 | 2021-10-19 | 河南理工大学 | CO (carbon monoxide)2Built-in circuit structure of fracturing device |
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| CN113187479A (en) * | 2021-04-29 | 2021-07-30 | 中国化学工程重型机械化有限公司 | Method for accurately and directionally breaking rock by liquid carbon dioxide fracturing pipe |
| CN113187479B (en) * | 2021-04-29 | 2022-03-18 | 中国化学工程重型机械化有限公司 | Method for accurately and directionally breaking rock by liquid carbon dioxide fracturing pipe |
| CN113338926A (en) * | 2021-04-30 | 2021-09-03 | 长沙领英智造科技有限公司 | Blasting rock cracking system and blasting rock cracking method |
| CN113338926B (en) * | 2021-04-30 | 2024-02-09 | 长沙领英智造科技有限公司 | Blasting rock cracking system and blasting rock cracking method |
| CN113310657A (en) * | 2021-05-26 | 2021-08-27 | 北京中煤矿山工程有限公司 | Device and method for measuring pressure relief capacity of carbon dioxide fracturing device in rock mass or coal mass |
| CN114000858A (en) * | 2021-11-12 | 2022-02-01 | 中煤华晋集团有限公司王家岭分公司 | Combinable multi-pipe type liquid carbon dioxide fracturing device and using method thereof |
| CN114000858B (en) * | 2021-11-12 | 2024-03-01 | 中煤华晋集团有限公司王家岭分公司 | Combinable multi-tube liquid carbon dioxide fracturing device and application method thereof |
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