CN107780935A - A kind of carbon dioxide fracturing device with efficient fracturing - Google Patents

A kind of carbon dioxide fracturing device with efficient fracturing Download PDF

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Publication number
CN107780935A
CN107780935A CN201610792184.9A CN201610792184A CN107780935A CN 107780935 A CN107780935 A CN 107780935A CN 201610792184 A CN201610792184 A CN 201610792184A CN 107780935 A CN107780935 A CN 107780935A
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CN
China
Prior art keywords
fixedly connected
carbon dioxide
sides
supervisor
fracturing
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CN201610792184.9A
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Chinese (zh)
Inventor
陆路锋
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Zhejiang Rainbow Earth And Rock Engineering Co Ltd
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Zhejiang Rainbow Earth And Rock Engineering Co Ltd
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Priority to CN201610792184.9A priority Critical patent/CN107780935A/en
Publication of CN107780935A publication Critical patent/CN107780935A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C37/00Other methods or devices for dislodging with or without loading
    • E21C37/06Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • E21C37/14Other 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

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Treating Waste Gases (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

The invention discloses a kind of carbon dioxide fracturing device with efficient fracturing, including letting out energy head, the inside for letting out energy head is fixedly connected with shearing piece, and the bottom for letting out energy head is fixedly connected with supervisor, described let out can be fixedly connected with sealing gasket between head and supervisor and at the top and bottom of shearing piece, the bottom of the supervisor is fixedly connected with charge valve, and the inside being responsible for is fixedly connected with heat-generating pipe, the inside of the supervisor, which is run through, appendix, and the both sides of appendix are communicated with and let out energy siphunculus.This has the carbon dioxide fracturing device of efficient fracturing, it is typically all to be stopped using the single barrier sheet of structure in rupture to solve the problems, such as current carbon dioxide fracturing device, avoid the problem of traditional method fracturing effect is low, utilization rate is improved, has reached and carbon dioxide fracturing device is recycled, saved the resource used, improve working environment, beneficial to miner's health, also, it is effectively prevented airborne dust.

Description

A kind of carbon dioxide fracturing device with efficient fracturing
Technical field
The present invention relates to carbon dioxide fracturing technical field, specially a kind of carbon dioxide fracturing with efficient fracturing Device.
Background technology
In the exploitation of mineral resources, the high pressure pneumatic component technology of carbon dioxide fracturing is physics explosion new at present Technology.Volume drastically expands generation high pressure when carbon dioxide fracturing device utilizes liquid carbon dioxide endothermic gasification, causes coal (rock) Body is broken or ftractures.Carbon dioxide fracturing device substitutes explosive, available for coal blasting, Comprehensive Gas Control, strata control, impact Ground pressure improvement, extinction, top coal reduction, stone door punching coal, Floor Heave in Roadway improvement, coal bunker block clearing etc..It is anti-reflection for coal seam fracturing, can Gas permeability of coal seam is dramatically increased, solves the problems, such as that low-air-permeability coal-bed gas extraction is difficult, it is frequent to transfinite, improves coal-bed gas and take out Adopt efficiency.
Explosive blasting is still one of method of coal mining at present.Explosive blasting power is big, effect is violent, is typical naked light Explosion.But naked light explosion there are many defects, use condition, use environment, daily management etc. are had higher requirements, especially In underground coal mine.Many coal mine gas explosions are all due to caused by naked light blast.Simultaneously because other accidental explosions occur for explosive Case also happen occasionally, have impact on safety in production, also result in economy loss.
Using liquid carbon dioxide by thermal evaporation expansion during carbon dioxide fracturing device, quick release gases at high pressure are disrumpent feelings rock Or coal breakage, carbon dioxide fracturing device is typically all that the barrier sheet for using structure single is stopped in rupture at present, this biography The method fracturing effect bottom of system, and utilization rate is low, is unable to reach recycling for carbon dioxide fracturing device.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of carbon dioxide fracturing device with efficient fracturing, solve Current carbon dioxide fracturing device is typically all to be stopped using the single barrier sheet of structure in rupture, this traditional side Method fracturing effect bottom, and utilization rate is low, is unable to reach the problem of carbon dioxide fracturing device recycles.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs:A kind of dioxy with efficient fracturing Change carbon fracturing device, including let out energy head, the inside for letting out energy head is fixedly connected with shearing piece, and the bottom for letting out energy head is fixed and connected Supervisor is connected to, described let out can be fixedly connected with sealing gasket between head and supervisor and at the top and bottom of shearing piece, described The bottom of supervisor is fixedly connected with charge valve, and the inside being responsible for is fixedly connected with heat-generating pipe, and the inside of the supervisor is run through There is appendix, and the both sides of appendix are communicated with and let out energy siphunculus, and the described one end of energy siphunculus away from appendix of letting out is through master Manage and extend to the outside of supervisor, the inside for letting out energy siphunculus is fixedly connected with electrically operated valve.
Preferably, fixed plate is fixedly connected between the both sides of the gas transmission inside pipe wall bottom, and at the top of fixed plate Both sides have been fixedly connected with retractable support post, the top of the fixed plate and are fixedly connected between two retractable support posts First switch, the top of the retractable support post is fixedly connected with sliding panel, and the both sides of sliding panel are interior with appendix Wall is slidably connected, and the bottom of the sliding panel and being fixedly connected between two retractable support posts is adapted with first switch Briquetting, the first switch and electrically operated valve are electrically connected with.
Preferably, supporting plate, and the top of supporting plate are fixedly connected between the both sides of the gas transmission inside pipe wall bottom It is fixedly connected with shell, the both sides of the gas transmission inside pipe wall bottom and has been fixedly connected with air inlet pipe positioned at the both sides of shell, institute The bottom of air inlet pipe is stated through shell and extends to the inside of shell, the bottom of the outer casing inner wall is fixed by adjustable spring to be connected Movable plate is connected to, and pushing block is fixedly connected with the top of movable plate, is fixedly connected with the top of the outer casing inner wall and pushing block The second switch being adapted, and second switch is electrically connected with electrically operated valve.
Preferably, the both sides of the gas transmission inside pipe wall have been fixedly connected with pressure sensor, and pressure sensor is defeated Go out end to be connected with the input of A/D converter, the output end of the A/D converter respectively with central controller and pressure comparator Input connection, and input of the output end of central controller respectively with electrically operated valve and pressure comparator is connected, institute The output end for stating pressure comparator is connected by the input of feedback module and central controller, and central controller passes through letter Number transceiver is connected with remote control terminal two-way signaling.
Preferably, the both sides of the movable plate have been fixedly connected with roller, and the both sides of outer casing inner wall offer with The chute that roller is adapted.
(3) beneficial effect
The invention provides a kind of carbon dioxide fracturing device with efficient fracturing.Possesses following beneficial effect:
(1), there should be the carbon dioxide fracturing device of efficient fracturing, and have appendix by fixing to run through in the inside of supervisor, The both sides of appendix, which are communicated with, lets out energy siphunculus, in the electrically operated valve that the inside for letting out energy siphunculus is fixedly connected with, and motor-driven valve Door is electrically connected with first switch, second switch and pressure sensor respectively, is solved current carbon dioxide fracturing device and is being ruptured When be typically all to avoid that traditional method fracturing effect is low to ask the problem of stop using the single barrier sheet of structure Topic, improves utilization rate, has reached and carbon dioxide fracturing device is recycled, saved the resource used.
(2), there should be the carbon dioxide fracturing device of efficient fracturing, by letting out energy head, shearing piece, supervisor, heat-generating pipe and filling Being equipped with for dress valve, has reached the smokeless no-spark in explosion, the problem of will not producing naked light and trigger gas explosion, has not had The toxic and harmful gas such as carbon monoxide and nitrogen oxides produces, and improves working environment, beneficial to miner's health, also, has Effect prevents airborne dust.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the structural representation that the present invention is responsible for;
Fig. 3 is the structural representation of the embodiment of the present invention one;
Fig. 4 is the structural representation of the embodiment of the present invention two;
Fig. 5 is the structural representation of the enclosure of the embodiment of the present invention two;
Fig. 6 is the structural representation of the embodiment of the present invention three;
Fig. 7 is the system architecture schematic diagram of the embodiment of the present invention three;
In figure:1 let out can head, 2 shearing pieces, 3 supervisors, 4 sealing gaskets, 5 charge valves, 6 heat-generating pipes, 7 appendixs, 8 let out energy siphunculus, 9 electrically operated valves, 10 fixed plates, 11 retractable support posts, 12 first switches, 13 sliding panels, 14 briquettings, 15 supporting plates, 16 shells, 17 air inlet pipe, 18 adjustable springs, 19 movable plates, 20 pushing blocks, 21 second switches, 22 pressure sensors, 23 central controllers, 24A/ D converters, 25 pressure comparators, 26 feedback modules, 27 signal transceivers, 28 remote control terminals, 29 rollers, 30 chutes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of carbon dioxide fracturing device with efficient fracturing, as shown in figs. 1-7, including lets out energy First 1, let out can first 1 inside be fixedly connected with shearing piece 2, and let out can first 1 bottom be fixedly connected with supervisor 3, let out can first 1 with Sealing gasket 4 has been fixedly connected between supervisor 3 and positioned at the top and bottom of shearing piece 2,3 bottom has been responsible for and is fixedly connected with and fills Air valve 5, and be responsible for 3 inside and be fixedly connected with heat-generating pipe 6,3 inside is responsible for through there is an appendix 7, and appendix 7 Both sides, which are communicated with, lets out energy siphunculus 8, lets out the one end of energy siphunculus 8 away from appendix 7 through supervisor 3 and extends to the outside of supervisor 3, The inside for letting out energy siphunculus 8 is fixedly connected with electrically operated valve 9.
The equipment needed in fracturing is carbon dioxide fracturing device, using liquid carbon dioxide and carbon dioxide catalyst converter, And the distance between each two hole is 1.5 meters, 1.2 meters of array pitch, 7 meters of hole depth.
Embodiment one:Referring to Fig. 3, fixed plate 10 is fixedly connected between the both sides of the inwall bottom of appendix 7, and it is solid The both sides at the top of fixed board 10 have been fixedly connected with retractable support post 11, the top of fixed plate 10 and are located at two retractable support posts 11 Between be fixedly connected with first switch 12, the top of retractable support post 11 is fixedly connected with sliding panel 13, and sliding panel 13 Inwall of the both sides with appendix 7 is slidably connected, the bottom of sliding panel 13 and the fixed company between two retractable support posts 11 The briquetting 14 being adapted with first switch 12 is connected to, first switch 12 is electrically connected with electrically operated valve 9, inside appendix 7 During in the absence of gas, the height of sliding panel 13 will be less than the bottom for letting out energy siphunculus 8.
In use, the air pressure inside appendix 7 promotes the slide downward of sliding panel 13, moreover, being fixedly connected on sliding panel 13 The briquetting 14 of bottom presses first switch 12, and first switch 12 then controls the unlatching of electrically operated valve 9.
Embodiment two:Fig. 4 and Fig. 5 are referred to, supporting plate 15 is fixedly connected between the both sides of the inwall bottom of appendix 7, And the top of supporting plate 15 is fixedly connected with shell 16, both sides of the inwall bottom of appendix 7 and equal positioned at the both sides of shell 16 Air inlet pipe 17 is fixedly connected with, one end that air inlet pipe 17 is located inside shell 16 will be less than the bottom of movable plate 19, convenient to carry out To being inflated inside shell 16, the bottom of air inlet pipe 17 through shell 16 and extends to the inside of shell 16, the inwall of shell 16 Bottom movable plate 19 is fixedly connected with by adjustable spring 18, movable plate 19 forms absolute sealing with the inwall of shell 16, keeps away Exempt from the top that gas enters movable plate 19, the both sides of movable plate 19 have been fixedly connected with roller 29, and the inwall of shell 16 Both sides offer the chute 30 being adapted with roller 29, and the top of movable plate 19 is fixedly connected with pushing block 20, shell 16 The second switch 21 being adapted with pushing block 20 is fixedly connected with the top of inwall, and second switch 21 and electrically operated valve 9 are electrical Connection, when gas is not present in the inside of appendix 7, the height of movable plate 19 is higher than the bottom of air inlet pipe 17.
In use, the gas inside appendix 7 enters the inside of shell 16 by air inlet pipe 17, inside shell 16 When air pressure constantly increases, movable plate 19 can be promoted to move up, during moving up, be fixed on the top of movable plate 19 Pushing block 20 presses second switch 21, and second switch 21 controls the unlatching of electrically operated valve 9.
Embodiment three:Fig. 6 and Fig. 7 are referred to, the both sides of the inwall of appendix 7 have been fixedly connected with pressure sensor 22, pressure Force snesor 22 is a kind of sensor the most commonly used in industrial practice, and pressure sensor 22 is a kind of with shell, metal pressure Power interface and the device for pressure measurement of high level signal output, and the output end of pressure sensor 22 and A/D converter 24 Input connection, A/D converter 24 be analog-digital converter, typically refer to one by analog-signal transitions be data signal electricity Subcomponent, the input of the output end of A/D converter 24 respectively with central controller 23 and pressure comparator 25 are connected, and in Entreat input of the output end respectively with electrically operated valve 9 and pressure comparator 25 of controller 23 to be connected, pressure comparator 25 it is defeated Go out end to be connected with the input of central controller 23 by feedback module 26, and central controller 23 passes through signal transceiver 27 It is connected with the two-way signaling of remote control terminal 28.
Before use, user judges the air pressure inside appendix 7, and qualified pressure is inputted by remote control terminal 28 Alarm threshold value, remote control terminal 28 send pressure alarm threshold value to central controller 23, center by signal transceiver 27 Pressure alarm threshold value is delivered in pressure comparator 25 by controller 23 again, as data comparison.
In use, the pressure sensor 22 being provided with is gathered in real time to the air pressure inside appendix 7, pressure sensor The 22 data transfer A/D converters 24 that will be gathered in real time, A/D converter 24 carry out digital-to-analogue conversion to data, and A/D converter 24 will The data converted are respectively sent to central controller 23 and pressure comparator 25, and data are passed through signal by central controller 23 again Transceiver 27 sends to remote control terminal 28, remote control terminal 28 and data is shown.
In pressure comparator 25, pressure that pressure sensor 22 is gathered in real time and the pressure inputted in pressure comparator 25 Power alarm threshold value is compared, if comparison result is higher than pressure alarm threshold value for the pressure data information of real-time reception, is shown defeated Air pressure inside tracheae 7 meets standard, and Pressure Alarm is transferred to central control by pressure comparator 25 by feedback module 26 In device 23 processed, central controller 23 controls electrically operated valve 9 to open.
In summary, there should be the carbon dioxide fracturing device of efficient fracturing, it is defeated through having by being fixed in the inside of supervisor 3 Tracheae 7, the both sides of appendix 7 be communicated with lets out can siphunculus 8, let out can siphunculus 8 the electrically operated valve 9 that is fixedly connected with of inside, And electrically operated valve 9 is electrically connected with first switch 12, second switch 21 and pressure sensor 22 respectively, solves current dioxy It is typically all the problem of stop using the single barrier sheet of structure, to avoid traditional method in rupture to change carbon fracturing device The problem of fracturing effect is low, improves utilization rate, has reached and carbon dioxide fracturing device is recycled, saved the money used Source.
Also, by let out can first 1, shearing piece 2, supervisor 3, heat-generating pipe 6 and filling valve 5 be equipped with, reached quick-fried Smokeless no-spark when broken, it is poisonous without carbon monoxide and nitrogen oxides etc. the problem of naked light will not being produced and trigger gas explosion Pernicious gas produces, and improves working environment, beneficial to miner's health, also, is effectively prevented airborne dust.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of carbon dioxide fracturing device with efficient fracturing, including let out energy head (1), it is characterised in that:Described let out can head (1) Inside be fixedly connected with shearing piece (2), and let out can the bottom of head (1) be fixedly connected with supervisor (3), it is described to let out energy head (1) Sealing gasket (4), the bottom of the supervisor (3) have been fixedly connected between supervisor (3) and at the top and bottom of shearing piece (2) End is fixedly connected with charge valve (5), and the inside for being responsible for (3) is fixedly connected with heat-generating pipe (6), the inside of the supervisor (3) Through there is an appendix (7), and the both sides of appendix (7) be communicated with let out can siphunculus (8), it is described let out can siphunculus (8) away from defeated One end of tracheae (7) is through supervisor (3) and extends to the outside of supervisor (3), and the inside for letting out energy siphunculus (8) is fixedly connected with Electrically operated valve (9).
A kind of 2. carbon dioxide fracturing device with efficient fracturing according to claim 1, it is characterised in that:The gas transmission Fixed plate (10), and the fixed company in the both sides at the top of fixed plate (10) are fixedly connected between the both sides of pipe (7) inwall bottom It is connected to retractable support post (11), the top of the fixed plate (10) and is fixedly connected between two retractable support posts (11) First switch (12), the top of the retractable support post (11) are fixedly connected with sliding panel (13), and the two of sliding panel (13) Inwall of the side with appendix (7) is slidably connected, the bottom of the sliding panel (13) and positioned at two retractable support posts (11) it Between be fixedly connected with the briquetting (14) being adapted with first switch (12), the first switch (12) and electrically operated valve (9) electricity Property connection.
A kind of 3. carbon dioxide fracturing device with efficient fracturing according to claim 1, it is characterised in that:The gas transmission Supporting plate (15) is fixedly connected between the both sides of pipe (7) inwall bottom, and is fixedly connected with the top of supporting plate (15) outer Shell (16), the both sides of appendix (7) the inwall bottom and has been fixedly connected with air inlet pipe (17) positioned at the both sides of shell (16), The bottom of the air inlet pipe (17) is through shell (16) and extends to the inside of shell (16), the bottom of shell (16) inwall Movable plate (19) is fixedly connected with by adjustable spring (18), and pushing block (20) is fixedly connected with the top of movable plate (19), The second switch (21) being adapted with pushing block (20), and second switch are fixedly connected with the top of shell (16) inwall (21) it is electrically connected with electrically operated valve (9).
A kind of 4. carbon dioxide fracturing device with efficient fracturing according to claim 1, it is characterised in that:The gas transmission The both sides of pipe (7) inwall have been fixedly connected with pressure sensor (22), and the output end of pressure sensor (22) is changed with A/D The input connection of device (24), the output end of the A/D converter (24) respectively with central controller (23) and pressure comparator (25) input connection, and the output end of central controller (23) respectively with electrically operated valve (9) and pressure comparator (25) Input connection, the output end of the pressure comparator (25) passes through the input of feedback module (26) and central controller (23) End connection, and central controller (23) is connected by signal transceiver (27) with remote control terminal (28) two-way signaling.
A kind of 5. carbon dioxide fracturing device with efficient fracturing according to claim 3, it is characterised in that:The movement The both sides of plate (19) have been fixedly connected with roller (29), and the both sides of shell (16) inwall offer and mutually fitted with roller (29) The chute (30) matched somebody with somebody.
CN201610792184.9A 2016-08-31 2016-08-31 A kind of carbon dioxide fracturing device with efficient fracturing Pending CN107780935A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610792184.9A CN107780935A (en) 2016-08-31 2016-08-31 A kind of carbon dioxide fracturing device with efficient fracturing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610792184.9A CN107780935A (en) 2016-08-31 2016-08-31 A kind of carbon dioxide fracturing device with efficient fracturing

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681205A (en) * 2019-02-19 2019-04-26 贵州致裂科技有限公司 A kind of carbon dioxide fracturing device
CN110068251A (en) * 2019-05-15 2019-07-30 贵州大学 A kind of mine carbon dioxide fracturing device
CN112127888A (en) * 2020-09-27 2020-12-25 山西鑫桥科技有限公司 Method for treating top coal, direct roof and old roof
CN112268488A (en) * 2020-10-16 2021-01-26 江苏中控能源科技有限公司 Dry ice fracturing device temperature and pressure control system and control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681205A (en) * 2019-02-19 2019-04-26 贵州致裂科技有限公司 A kind of carbon dioxide fracturing device
CN110068251A (en) * 2019-05-15 2019-07-30 贵州大学 A kind of mine carbon dioxide fracturing device
CN112127888A (en) * 2020-09-27 2020-12-25 山西鑫桥科技有限公司 Method for treating top coal, direct roof and old roof
CN112268488A (en) * 2020-10-16 2021-01-26 江苏中控能源科技有限公司 Dry ice fracturing device temperature and pressure control system and control method

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