CN105066801A - Carbon dioxide fracturing device - Google Patents
Carbon dioxide fracturing device Download PDFInfo
- Publication number
- CN105066801A CN105066801A CN201510489513.8A CN201510489513A CN105066801A CN 105066801 A CN105066801 A CN 105066801A CN 201510489513 A CN201510489513 A CN 201510489513A CN 105066801 A CN105066801 A CN 105066801A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- lead
- head
- fracturing device
- dioxide fracturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 45
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 13
- 239000003245 coal Substances 0.000 abstract description 12
- 239000002360 explosive Substances 0.000 abstract description 7
- 238000005065 mining Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
A carbon dioxide fracturing device comprises an energy relief head, a constant-pressure energy relief piece, a main pipe and a filling head, wherein the energy relief head and the filling head are respectively screwed with the two ends of the main pipe; a filling channel leading to a filling cavity of the main pipe and a thimble capable of opening and closing the filling channel are arranged on the filling head; an energy relief channel is arranged on the energy relief head; one end of the energy relief channel leads to the filling cavity of the main pipe, and the other end of the energy relief channel leads to the outside of the carbon dioxide fracturing device; the constant-pressure energy relief piece is arranged between the energy relief channel of the energy relief head and the filling cavity of the main pipe in a sealed manner; a heating device is arranged in the filling cavity of the main pipe; and the constant-pressure energy relief piece fractures when the heating device heats up and gasify liquid carbon dioxide in the filling cavity of the main pipe and the carbon dioxide gas expands to a certain pressure. The carbon dioxide fracturing device can replace detonators and explosives, which are frequently used in mine mining, avoids gas explosion caused by open fire to realize safety production of mines, can also enable coal to pre-split in the gas exhausting and mining process, effectively increases the air permeability of coal beds and improves the gas exhausting and mining efficiency of coal beds.
Description
Technical field
The present invention relates to demolition set field, is a kind of carbon dioxide fracturing device specifically.
Background technology
Explosive blasting is one of method being still coal mining at present.Explosive blasting power is large, effect is violent, is typical naked light explosion.But naked light explosion has many defects, the aspects such as service condition, environment for use, daily management are had higher requirements, especially at underground coal mine.Many coal mine gas explosions are all because naked light blast causes.The case simultaneously because of explosive other accidental explosions occurring also happens occasionally, and have impact on safety in production, also result in economic loss.
Summary of the invention
In order to overcome the shortcoming that above-mentioned prior art exists, the object of the present invention is to provide a kind of carbon dioxide fracturing device, it can replace detonator conventional in pit mining and explosive, avoids naked light to explode and causes gas explosion, realize mine safety production.
In order to solve the problem, the present invention is by the following technical solutions: a kind of carbon dioxide fracturing device, it is characterized in that, comprise and let out energy head, level pressure lets out energy sheet, be responsible for and fill head, described let out can head and fill head screw respectively supervisor two ends, described fill head is provided with lead to supervisor and fill the thimble that the refitting passage in chamber and opening and closing fill passage, described letting out head can be provided with that let out can passage, described let out can one end of passage lead to supervisor fill chamber, the other end leads to outside carbon dioxide fracturing device, described let out can head let out can the filling seal between chamber and be provided with level pressure and let out energy sheet of passage and supervisor, filling in chamber of described supervisor is provided with heater, described level pressure is let out and can will be filled into be responsible for the liquid carbon dioxide heating and gasifying that fills in chamber and to expand into certain pressure at heater and break by sheet.
Further: described heater is electric ignition heater, the electric igniter that this electric ignition heater comprises heating agent splendid attire paper tube, heating agent and is embedded in heating agent, described electric igniter is connected with two lead-in wires, these two lead-in wires are electrically connected with carbon dioxide fracturing device external power both positive and negative polarity respectively.
Further: described heater is electric heater unit, this electric heater unit is connected with two lead-in wires, these two lead-in wires are electrically connected with the power positive cathode outside carbon dioxide fracturing device respectively.
Further: described in fill on head and be provided with lead-in wire outer conductor, described lead-in wire outer conductor with fill head and insulate, one end of the outer conductor that goes between be connected on the heating wherein one go between and connect, the other end prolongs to outside carbon dioxide fracturing device.
Further: described in fill between the end of one end that head and supervisor screw and supervisor and be fixed with conductive gasket, the centre bore of described conductive gasket is fixed with insulating joint, described insulating joint shutoff is on the openend of heating agent splendid attire paper tube, described insulating joint offers fairlead, the described wherein lead-in wire be connected on electric igniter is connected with leading-in conductor through fairlead, described lead-in wire outer conductor is by the port closing be positioned at outside heating agent splendid attire paper tube of fairlead, the entity part of described conductive gasket is provided be communicated with and fills a passage and be responsible for the flowing hole filling chamber.
Further: described lead-in wire outer conductor feels ashamed conducting rod and conductive sleeve, one end of described conducting rod with described wherein one go between and be connected, the other end contacts with conductive sleeve, and described conductive sleeve prolongs to outside carbon dioxide fracturing device.
Further: described supervisor is made up of conductive material, another root lead-in wire connected on the heating is electrically connected with supervisor.
Further: described supervisor is made up of ferrous materials, described conductive gasket is made of copper, the wherein lead-in wire be connected on electric igniter is connected with conducting rod through the fairlead on insulating joint, described conducting rod is by the port closing be positioned at outside heating agent splendid attire paper tube of fairlead, and another root lead-in wire be connected on electric igniter is electrically connected with conductive gasket.
Further: described in fill head fill mouthful center line and thimble axis not point-blank.
Further: let out can passage one end led to outside carbon dioxide fracturing device there are several can hole towards letting out of different aspect.
The invention has the beneficial effects as follows:
1, smokeless no-spark during explosion, can not produce naked light and cause gas explosion, and produce without the toxic and harmful such as carbon monoxide and nitrogen oxide, improve working environment, useful miner is healthy;
2, force of explosion is easily controlled, and that selects different fracture pressure value lets out the accurate control that energy sheet can realize force of explosion;
3, let out with the omnidirectional of cap explosive can compared with, let out and comparatively can concentrate and can arrange as required in direction, after explosion, throw matchmaker measure many, block greatly, coal cinder becomes block rate high, fine coal ratio obviously reduces, substantially not airborne dust, greatly reduces coal-dust explosion hidden danger;
4, coal cinder is dished out apart from short, decreases the amount of labour of workman, and can not cause the generation of blowing out and collapsing people's accident.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is described further:
Fig. 1 is the schematic diagram of the carbon dioxide fracturing device of the embodiment of the present invention;
Fig. 2 is the partial schematic sectional view of carbon dioxide fracturing device at A-A place shown in Fig. 1;
Fig. 3 is the schematic diagram of the conductive gasket for the embodiment of the present invention;
In figure: 1, let out energy head; 11, energy passage is let out; 2, level pressure lets out energy sheet; 3, be responsible for; 31, chamber is filled; 4, head is filled; 41, passage is filled; 42, mouth is filled; 5 thimbles; 6 heating agent splendid attire straight tubes; 7, conducting rod; 8, conductive sleeve; 9, conductive gasket; 10, insulating joint; 101, fairlead; 12, seal is closed; 13, jackscrew; 14, insulation sleeve; 15, insulate isolating pad; 16, copper sheathing.
Detailed description of the invention
As Fig. 1, Fig. 2, shown in Fig. 3, the carbon dioxide fracturing device of the present embodiment comprises that let out can 1, level pressure lets out energy sheet 2, a supervisor 3 and fill 4, letting out can 1 and fill 4 and screw at the two ends of supervisor 3 respectively, fill to be provided with on 4 and lead to supervisor 3 and fill filling passage 41 and opening and closing the thimble 5 filling passage 41 of chamber 31, let out and can be provided with that let out can passage 11 on 1, let out can one end of passage 11 lead to supervisor 3 fill chamber 31, the other end leads to outside carbon dioxide fracturing device, let out can passage one end led to outside carbon dioxide fracturing device there are several can hole towards letting out of different directions, let out can 1 let out can the filling seal between chamber 31 and be provided with level pressure and let out energy sheet 2 of passage 11 and supervisor 3, filling in chamber 31 of supervisor 3 is provided with heater, level pressure is let out and can be broken being filled into when supervisor 3 fills the liquid carbon dioxide heating and gasifying in chamber 31 and expand into certain pressure by sheet 2 reheater.
Described heater is electric ignition heater, the electric igniter that this electric ignition heater comprises heating agent splendid attire paper tube 6, heating agent and is embedded in heating agent, electric igniter is connected with two lead-in wires, and these two lead-in wires are electrically connected with the power positive cathode outside carbon dioxide fracturing device respectively.Heating agent splendid attire paper tube 6 is made up of the combustible material such as brown paper, candle.
Alternatively, described heater is electric heater unit, this electric heater unit is connected with two lead-in wires, and these two lead-in wires are respectively at the power positive cathode electrical connection outside carbon dioxide fracturing device.
Alternatively, described heater is the chemical heating apparatus that the heat only utilizing chemical reaction to produce carries out heating.
For ease of manufacture and the installation of the outer conductor that goes between, fill on 4 and be provided with lead-in wire outer conductor, described lead-in wire outer conductor comprises conducting rod 7 and conductive sleeve 8, one end of conducting rod 7 with shown wherein one go between and be connected, the other end contacts with conductive sleeve 8, conductive sleeve 8 prolongs to outside carbon dioxide fracturing device, with the contact pin grafting with rapid lead wire.
For ease of the installation of electric ignition heater, simultaneously, liquid carbon dioxide is avoided to enter impact igniting in heating agent splendid attire paper tube, fill 4 and be fixed with conductive gasket 9 between the end of one end that screws of supervisor 3 and supervisor 3, the centre bore of conductive gasket 9 is fixed with insulating joint 10, insulating joint 10 shutoff is on the openend of heating agent splendid attire paper tube 6, insulating joint 10 offers fairlead 101, the wherein lead-in wire be connected on electric igniter is connected with conducting rod 7 through fairlead 101, conducting rod 7 is by the port closing be positioned at outside heating agent splendid attire paper tube 6 of fairlead 101, the entity part of conductive gasket 9 is provided be communicated with and fills 4 and fill the flowing hole 91 that passage 41 and supervisor 3 fill chamber 31.
Preferably, supervisor 3 is made up of ferrous materials, and conductive gasket 9 is made of copper, and another root lead-in wire be connected on electric igniter is connected with conductive gasket 9, and then is electrically connected with supervisor 3.
Carbon dioxide fracturing device of the present invention can replace the detonator that uses in pit mining and explosive, avoid naked light to explode and cause gas explosion, realize mine safety production, coal body presplitting can also be made in gas pumping process, effective increase gas permeability of coal seam, improve coal bed gas extraction efficiency, there is superior serviceability and wide prospect.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a carbon dioxide fracturing device, it is characterized in that, it comprises lets out energy head, level pressure lets out energy sheet, be responsible for and fill head, described let out can head and fill head screw respectively supervisor two ends, described filling head is provided with let out can passage, described let out can one end of passage lead to supervisor fill chamber, the other end leads to outside the carbon dioxide productive life, described let out can head let out can the filling seal between chamber and be provided with level pressure and let out energy sheet of passage and supervisor, filling in chamber of described supervisor is provided with heater, described level pressure is let out and can sheet reheater be broken when will be filled into the liquid carbon dioxide heating and gasifying being responsible for and filling in chamber and expand into certain pressure.
2. carbon dioxide fracturing device according to claim 1, it is characterized in that, described heater is electric ignition heater, the electric igniter that this electric ignition heater comprises heating agent splendid attire paper tube, heating agent and is embedded in heating agent, described electric igniter is connected with two lead-in wires, these two lead-in wires are respectively at the power positive cathode electrical connection outside carbon dioxide fracturing device.
3. carbon dioxide fracturing device according to claim 1 at all, it is characterized in that, described heater is electric heater unit, this electric heater unit is connected with two lead-in wires, and these two lead-in wires are respectively at the power positive cathode electrical connection outside carbon dioxide fracturing device.
4. the carbon dioxide fracturing device according to Claims 2 or 3, it is characterized in that, described filling on head is provided with lead-in wire outer conductor, described lead-in wire outer conductor with fill head and insulate, one end of lead-in wire outer conductor be connected on the heating wherein one go between and connect, the other end prolongs to be exploited outside device to carbon dioxide.
5. carbon dioxide fracturing device according to claim 4, it is characterized in that, described filling between the end of one end that head and supervisor screw and supervisor is fixed with conductive gasket, the centre bore of described conductive gasket is fixed with insulating joint, described insulating joint shutoff is on the openend of heating agent splendid attire paper tube, described insulating joint is provided with fairlead, the described wherein lead-in wire be connected on electric igniter is connected with lead-in wire outer conductor through fairlead, described lead-in wire outer conductor is by the port closing be positioned at outside heating agent splendid attire straight tube of fairlead, the entity part of described conductive gasket is provided be communicated with and fills head dress passage and be responsible for the flowing hole filling chamber.
6. carbon dioxide fracturing device according to claim 5, it is characterized in that, described lead-in wire outer conductor comprises conducting rod and conductive sleeve, one end of described conducting rod with described wherein one go between and be connected, the other end contacts with conductive sleeve, and described conductive sleeve prolongs to outside carbon dioxide fracturing device.
7. carbon dioxide fracturing device according to claim 5, it is characterized in that, described supervisor is made up of conductive material, and another root lead-in wire being connected to heater is electrically connected with supervisor.
8. carbon dioxide fracturing device according to claim 6, it is characterized in that: described supervisor is made up of ferrous materials, described conductive gasket is made of copper, the wherein lead-in wire be connected on electric igniter is connected with conducting rod through the fairlead on insulating joint, described conducting rod is by the port closing be positioned at outside heating agent splendid attire paper tube of fairlead, and another root lead-in wire be connected on electric igniter is electrically connected with conductive gasket.
9. carbon dioxide fracturing device according to claim 1, is characterized in that, described in fill head fill mouthful center line and thimble axis not point-blank.
10. have affiliated carbon dioxide fracturing device according to claim 1, it is characterized in that, let out can passage one end led to outside carbon dioxide fracturing device there are several can hole towards letting out of different aspect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489513.8A CN105066801A (en) | 2015-08-05 | 2015-08-05 | Carbon dioxide fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489513.8A CN105066801A (en) | 2015-08-05 | 2015-08-05 | Carbon dioxide fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105066801A true CN105066801A (en) | 2015-11-18 |
Family
ID=54496231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510489513.8A Pending CN105066801A (en) | 2015-08-05 | 2015-08-05 | Carbon dioxide fracturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105066801A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486182A (en) * | 2016-01-07 | 2016-04-13 | 北京中煤矿山工程有限公司 | Carbon dioxide fracturing device and filling method |
| CN105486183A (en) * | 2016-01-07 | 2016-04-13 | 北京中煤矿山工程有限公司 | Carbon dioxide filling valve and fracturing device |
| CN105680261A (en) * | 2016-01-07 | 2016-06-15 | 北京中煤矿山工程有限公司 | Connector for carbon dioxide cracker |
| CN106194258A (en) * | 2016-07-13 | 2016-12-07 | 煤科集团沈阳研究院有限公司 | Carbon dioxide phase transformation coal seam fracturing device processes the method for coal mine roadway pucking |
| CN106968657A (en) * | 2017-04-21 | 2017-07-21 | 山西潞安工程有限公司 | The preparation method of colliery gas phase pressure break heater |
| CN107121037A (en) * | 2017-06-26 | 2017-09-01 | 中国十九冶集团有限公司 | Stone static crushing structure and construction method thereof |
| 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 |
| WO2019174264A1 (en) * | 2018-03-12 | 2019-09-19 | 中国矿业大学 | Method for auxiliary tunneling by means of freezing shaft-sinking carbon dioxide phase change cracking and device therefor |
| CN110500078A (en) * | 2019-08-19 | 2019-11-26 | 重庆大学 | Gas displacement drainage components based on carbon dioxide cracker |
| CN110823006A (en) * | 2019-11-28 | 2020-02-21 | 重庆交通大学 | Carbon dioxide cracker for civil engineering blasting |
| CN110485980B (en) * | 2019-08-19 | 2020-05-08 | 重庆大学 | Intrinsically safe carbon dioxide fracturing and displacement integrated system |
| CN111470926A (en) * | 2020-04-29 | 2020-07-31 | 中国一冶集团有限公司 | Rock blasting device and method |
| CN112857163A (en) * | 2020-12-31 | 2021-05-28 | 中南大学 | Carbon dioxide rock breaking device and method |
| CN113790052A (en) * | 2021-09-08 | 2021-12-14 | 北京科技大学 | A Porous Symmetrical Energy Discharge Slot Carbon Dioxide Cracker Along the Drilling Axial |
| CN114183118A (en) * | 2021-12-31 | 2022-03-15 | 石家庄铁道大学 | Infiltration mining method and device for infiltration-increasing area of low-permeability sandstone uranium ore and terminal equipment |
| CN116007444A (en) * | 2022-12-29 | 2023-04-25 | 湘潭大学 | Liquid carbon dioxide fracturing device with fly stopping device |
-
2015
- 2015-08-05 CN CN201510489513.8A patent/CN105066801A/en active Pending
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486182A (en) * | 2016-01-07 | 2016-04-13 | 北京中煤矿山工程有限公司 | Carbon dioxide fracturing device and filling method |
| CN105486183A (en) * | 2016-01-07 | 2016-04-13 | 北京中煤矿山工程有限公司 | Carbon dioxide filling valve and fracturing device |
| CN105680261A (en) * | 2016-01-07 | 2016-06-15 | 北京中煤矿山工程有限公司 | Connector for carbon dioxide cracker |
| CN105486183B (en) * | 2016-01-07 | 2017-06-06 | 北京中煤矿山工程有限公司 | A kind of carbon dioxide filling valve and fracturing device |
| CN105680261B (en) * | 2016-01-07 | 2018-01-23 | 北京中煤矿山工程有限公司 | A kind of carbon dioxide fracturing device connector |
| CN105486182B (en) * | 2016-01-07 | 2019-06-11 | 北京中煤矿山工程有限公司 | A kind of carbon dioxide fracturing device and methods for filling |
| CN106194258A (en) * | 2016-07-13 | 2016-12-07 | 煤科集团沈阳研究院有限公司 | Carbon dioxide phase transformation coal seam fracturing device processes the method for coal mine roadway pucking |
| CN106194258B (en) * | 2016-07-13 | 2019-01-04 | 煤科集团沈阳研究院有限公司 | The method of carbon dioxide phase transformation coal seam fracturing device processing coal mine roadway pucking |
| CN106968657A (en) * | 2017-04-21 | 2017-07-21 | 山西潞安工程有限公司 | The preparation method of colliery gas phase pressure break heater |
| CN107121037A (en) * | 2017-06-26 | 2017-09-01 | 中国十九冶集团有限公司 | Stone static crushing structure and construction method thereof |
| CN107121037B (en) * | 2017-06-26 | 2019-02-05 | 中国十九冶集团有限公司 | Construction method for statically crushing stone |
| 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 |
| WO2019174264A1 (en) * | 2018-03-12 | 2019-09-19 | 中国矿业大学 | Method for auxiliary tunneling by means of freezing shaft-sinking carbon dioxide phase change cracking and device therefor |
| AU2018413679B2 (en) * | 2018-03-12 | 2021-02-18 | China University Of Mining And Technology | Method for auxiliary tunneling by means of freezing shaft-sinking carbon dioxide phase change cracking and device therefor |
| CN110500078A (en) * | 2019-08-19 | 2019-11-26 | 重庆大学 | Gas displacement drainage components based on carbon dioxide cracker |
| CN110485980B (en) * | 2019-08-19 | 2020-05-08 | 重庆大学 | Intrinsically safe carbon dioxide fracturing and displacement integrated system |
| CN110823006A (en) * | 2019-11-28 | 2020-02-21 | 重庆交通大学 | Carbon dioxide cracker for civil engineering blasting |
| CN110823006B (en) * | 2019-11-28 | 2021-12-28 | 重庆交通大学 | Carbon dioxide cracking device for civil engineering blasting |
| CN111470926B (en) * | 2020-04-29 | 2021-06-29 | 中国一冶集团有限公司 | Rock blasting device and method |
| CN111470926A (en) * | 2020-04-29 | 2020-07-31 | 中国一冶集团有限公司 | Rock blasting device and method |
| CN112857163A (en) * | 2020-12-31 | 2021-05-28 | 中南大学 | Carbon dioxide rock breaking device and method |
| CN113790052A (en) * | 2021-09-08 | 2021-12-14 | 北京科技大学 | A Porous Symmetrical Energy Discharge Slot Carbon Dioxide Cracker Along the Drilling Axial |
| CN114183118A (en) * | 2021-12-31 | 2022-03-15 | 石家庄铁道大学 | Infiltration mining method and device for infiltration-increasing area of low-permeability sandstone uranium ore and terminal equipment |
| CN114183118B (en) * | 2021-12-31 | 2024-05-24 | 石家庄铁道大学 | Enhanced-permeability in-situ leaching mining method and device for hyposmosis sandstone uranium ores and terminal equipment |
| CN116007444A (en) * | 2022-12-29 | 2023-04-25 | 湘潭大学 | Liquid carbon dioxide fracturing device with fly stopping device |
| CN116007444B (en) * | 2022-12-29 | 2024-05-24 | 湘潭大学 | Liquid carbon dioxide fracturing device with anti-flying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033102B (en) | Carbon dioxide mining device | |
| CN105066801A (en) | Carbon dioxide fracturing device | |
| CN203083463U (en) | Carbon dioxide exploitation device | |
| CN106288972A (en) | Coal seam sealing of hole carbon dioxide fracturing device | |
| CN205605214U (en) | Carbon dioxide sends and splits ware | |
| CN204461229U (en) | The low power safety blasting unit in colliery | |
| CN104847316B (en) | The driving multi-stage perforator method of bridge plug gunpowder | |
| CN106351659B (en) | A kind of carbon dioxide fracturing device | |
| CN205876317U (en) | Safe type carbon dioxide blast tube ware and safe type carbon dioxide exploitation ware | |
| CN105783617B (en) | Activator and the carbon dioxide fracturing device using the activator | |
| CN104389574A (en) | Gaseous phase fracturing device | |
| CN107782209A (en) | A kind of carbon dioxide fracturing method | |
| CN106482592B (en) | Apply the hole sealing device in carbon dioxide explosion explosion technology | |
| CN108387154A (en) | A kind of gas reaction excitation formula gas blast device and its application method | |
| CN111595205A (en) | Carbon dioxide cracking device and series connection method | |
| CN210660049U (en) | Secondary crack-making perforating gun for volume fracturing of vertical well of tight reservoir | |
| CN107013938B (en) | Burning torch with hard ventilation conduct piece | |
| CN204574976U (en) | Deep coal and rock coupling charging structure unloading pressure by blasting device | |
| CN212362983U (en) | Carbon dioxide cracking device | |
| CN104214796A (en) | Electric ignition device | |
| CN105486183B (en) | A kind of carbon dioxide filling valve and fracturing device | |
| CN106223919B (en) | Carbon dioxide phase change perforation presplitting permeability increasing device | |
| CN211261993U (en) | Mechanism for opening circuit after electric initiating explosive device fires | |
| CN205577992U (en) | Accessible connection gas blast device of multitube | |
| CN206514731U (en) | A kind of carbon dioxide expander |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151118 |