CN107461183A - A kind of mine carbon dioxide fracturing device - Google Patents
A kind of mine carbon dioxide fracturing device Download PDFInfo
- Publication number
- CN107461183A CN107461183A CN201710827953.9A CN201710827953A CN107461183A CN 107461183 A CN107461183 A CN 107461183A CN 201710827953 A CN201710827953 A CN 201710827953A CN 107461183 A CN107461183 A CN 107461183A
- Authority
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- China
- Prior art keywords
- magnetic force
- carbon dioxide
- pressure
- liquid storage
- 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 68
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 34
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000003860 storage Methods 0.000 claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 14
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000003032 molecular docking Methods 0.000 claims abstract description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 3
- 238000009628 steelmaking Methods 0.000 claims abstract description 3
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 238000004079 fireproofing Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000012071 phase Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
A kind of mine carbon dioxide fracturing device, including end increase resistance shoe, air pressure release device, magnetic force door, liquid storage cylinder, unidirectional fluid injection magnetic force door, heater, sealing rubber ring, pressure sensor device；The end increases the increasing resistance shoe that resistance shoe is connected with air pressure release device and is welded with high intensity；Pressure hole is provided with the air pressure release device；The magnetic force door is that two fan fan-shaped gate docking form；The liquid storage cylinder uses high strength thermal resistant alloy steel making；The unidirectional fluid injection magnetic force door right-hand member is provided with magnetite；The heater is connected by wire with circuit board；The pressure sensor device is connected with pressure-display device；Liquid storage cylinder periphery is provided with sealing rubber ring.Apparatus of the present invention overcome existing carbon dioxide fracturing equipment and cause pressure, liquid storage cylinder sealing and many deficiencies under gas pressure in terms of the back increasing resistance of device accurate, its feature is reasonable in design, good seal performance, security and strong adaptability and easy to install.
Description
Technical field
The present invention relates to a kind of mine carbon dioxide fracturing device.Belong to the anti-reflection technical field of coal seam fracturing, it is especially suitable
In high methane projecting coal bed improvement and prevention.
Background technology
China's major part mine is all high gas and outburst mine, with the raising of production technique and the increase of mining depth,
Seam gas content gradually increases, and the gas permeability in coal seam reduces, and outburst hazard greatly increases, along with the gas calamity in China
Evil prediction also in development, also lacks reliable technological means and method, secure context input in science and technology is relatively low, very with Prevention Technique
More safe practice problems are not resolved also from root.
At present, the technological means such as the domestic presplitting of generally use explosive, hydraulic fracturing and hydraulic flushing in hole increases cracks in coal seam,
Gas permeability of coal seam is improved, promotes gas to be desorbed from coal seam, so as to improve gas pumping efficiency, eliminates the prominent danger in coal seam
It is dangerous.These technologies have played good effect in mine gas work is administered, but still have some limitations.
The features such as liquid carbon dioxide fracturing technology is distinctive safe by its, and power is strong, and technique is simple, turns into coal
The focus of the layer anti-reflection Study on Measures of fracturing.But the research of liquid carbon dioxide fracturing technology at this stage focus mostly on it is quick-fried in rock
Broken, tunnel digging, pipeline cleaning, urban construction etc., in colliery, the research of use is then relatively fewer.It is in addition, existing
Carbon dioxide fracturing equipment cause pressure, liquid storage cylinder sealing accurate and also deposit in terms of the back of device increases resistance under gas pressure
In many deficiencies, based on this, the present invention provides a kind of mine carbon dioxide fracturing device, and to reach accurate, efficient, safety causes
Split anti-reflection purpose.
The content of the invention
It is an object of the invention to overcome the shortcomings of existing carbon dioxide fracturing technology, there is provided a kind of mine carbon dioxide
Fracturing device, end is added on the basis of existing carbon dioxide fracturing device and increases anti-skidding resistance, pressure sensor, magnetic force door etc.
Device, its feature are reasonable in design, good seal performance, security and strong adaptability and easy to install.
To achieve these goals, specific embodiments of the present invention are as follows：A kind of mine carbon dioxide fracturing device, bag
Include end increase resistance shoe 1, air pressure release device 3, magnetic force door 6, liquid storage cylinder 7, unidirectional fluid injection magnetic force door 9, heater 10,
Sealing rubber ring 12, pressure sensor device 13, switch 15,17 and handle 18；The end increases is welded with height on resistance shoe 1
The iron plate device of intensity, increasing is played to whole fracturing device and hinders anti-skidding effect, increased resistance shoe 1 and connect with air pressure release device 3
Connect；Pressure hole 4 is provided with the air pressure release device 3；The magnetic force door 5 is that two fan fan-shaped gate docking form, and magnetic force door is left
Right both sides are each provided with the silicon steel sheet 6 of connecting wire；The liquid storage cylinder 7 uses high strength thermal resistant alloy steel making, can bear compared with
High pressure is without producing plastic deformation；The unidirectional right-hand member of fluid injection magnetic force door 9 is provided with magnetite, and the upper end of liquid injection hole fills for piston
Put；The heater 10 is connected by wire with circuit board 16, and circuit board 16 is connected with switch 17；Heater 10 is by protecting
Cover 11 is conducted heat and protected；The pressure sensor device 13 is connected with pressure-display device 14；The periphery of liquid storage cylinder 7 is provided with close
Seal rubber ring 12.
As the further scheme of the present invention：End increases the iron plate device that high intensity is welded with resistance shoe 1, and it is special
Levy and be to form similar " pawl " shape, air pressure causes entirely with hole wall generation reaction force after avoiding fracturing device release pressure
Fracturing device comes off or slid, and suitable for level or faces upward the anti-reflection operation of fracturing inclined borehole.
As the further scheme of the present invention：The one end of air pressure release device 3 is provided with pin-and-hole, and connected mode is fixed for screw
Connection, is mainly used in multiple fracturing devices and is attached, for superdeep holes fracturing.
As the further scheme of the present invention：Magnetic force door 5 is that two fan fan-shaped gate docking form, and contact surface is provided with magnetic force dress
Put, ensure being brought into close contact for two fan doors, magnetic force door the right and left is each provided with the silicon steel sheet 6 of connecting wire, it is characterised in that when
Switching on power, during trigger switch 15, electric current can be produced powerful suction and be adsorbed fan-shaped gate by silicon steel sheet, electromagnetic lock, with
This reaches the effect of " enabling ", discharges air pressure, and wherein suction caused by electromagnetic lock is far longer than the magnetic force between fan-shaped gate.
As the further scheme of the present invention：The unidirectional right-hand member of fluid injection magnetic force door 9 is provided with magnetite, when injection liquid titanium dioxide
During carbon, impulsive force from top to bottom opens magnetic force door 9, and after fluid injection terminates, magnetic force door 9 tightly adsorbs the inwall in liquid storage cylinder 7,
It is characterized in that only it can prevent that air pressure is revealed in liquid storage cylinder with one-way movement.
As the further scheme of the present invention：Heater 10 is connected by wire with circuit board 16, it is characterised in that when
Switch on power, during trigger switch 17, heater starts to heat the liquid carbon dioxide in liquid storage cylinder, utilizes carbon dioxide gas
Transfer characteristic produces huge pressure between phase, liquid phase.
As the further scheme of the present invention：Pressure sensor device 13 be it is a kind of have shell, stress metal interface and
The device for pressure measurement of high level signal output, is connected, it is characterised in that can monitor liquid storage in real time with pressure-display device 14
Cavity pressure, when intracavitary atmospheric pressure reaches job requirements, trigger switch opens magnetic force door, so as to reach accurate fracturing mesh
's.
As the further scheme of the present invention：Sealing rubber ring 12 is made using fire proofing, and sealing ring is located at fracturing dress
Put between hole wall.
Beneficial effects of the present invention：Compared with prior art, the device is reasonable in design, passes through magnetic force door, unidirectional fluid injection magnetic
The device such as power door and sealing rubber ring, the totally-enclosed of liquid storage cylinder and working space is realized, prevents air pressure from revealing, to coal seam fracturing
Pressure needed for anti-reflection technology provides guarantee；In addition, by pressure sensor device and electromagnetism door gear, realize coal seam and precisely cause
Split purpose；End increasing resistance shoe avoids a dress device and flies out or slide phenomenon under different angle operating condition, to causing
Split device and play certain fixation, alleviate the labor intensity and task difficulty of operating personnel, at the scene, operating personnel can be with
Easily grasp its mechanism and application method；All circuit connections of the device are built-in totally-enclosed, in whole operation mistake
The flames of anger in journey, using safer in the mine of coal and gas prominent.
Brief description of the drawings
For ease of explanation, patent specific embodiment of the present invention and accompanying drawing are described in detail.
Fig. 1 is mine carbon dioxide fracturing device overall structure diagram.
Fig. 2 is magnetic force door, unidirectional fluid injection magnetic force door gear structural representation.
Symbol description is as follows in figure：
1- ends increase resistance shoe；2- pin-and-holes；3- air pressure release devices；4- pressure holes；5- magnetic force doors；6- silicon steel sheets；
7- liquid storage cylinders；8- liquid injection holes；The unidirectional fluid injection magnetic force doors of 9-；10- heaters；11- protective covers；12- sealing rubber rings；13- is pressed
Force sensor；14- pressure-display devices；15- magnetic force door switch；16- circuit boards；17- heater switch；18- handles；19- magnetic
Stone.
Embodiment
The technical scheme of patent of the present invention is described in further detail with reference to embodiment.
A kind of mine carbon dioxide fracturing device shown in Fig. 1 is referred to, including 1 end increases resistance shoe；2 pin-and-holes；3
Air pressure release device；4 pressure holes；5 magnetic force doors；6 silicon steel sheets；7 liquid storage cylinders；8 liquid injection holes；9 unidirectional fluid injection magnetic force doors；10 heating dresses
Put；11 protective covers；12 sealing rubber rings；13 pressure sensor devices；14 pressure-display devices；15 magnetic force door switch；16 circuit boards；
17 heater switch；18 handles；19- magnetites.
The present invention operation principle be：Before injecting liquid carbon dioxide, magnetic force door switch 15 and heater switch 17 are in and closed
Closed state.Liquid carbon dioxide is added by liquid injection hole 8 according to job requirements, it is determined that unidirectional fluid injection magnetic force door 9 is closed
After tighten liquid injection hole piston.Carbon dioxide fracturing device is put into drilling, examines the sealing of sealing rubber ring 12 and hole wall.Connect
Energization source, heater switch 17 is opened, is heated by heater 10, make (the temperature of liquid carbon dioxide transient evaporation in liquid storage cylinder
Degree is more than 31.2 DEG C), volumetric expansion about 500~600 times, cause carbon dioxide gas pressure drastically to raise, filled by pressure sensing
Pressure data in 13 collecting chambers is put, data are read by pressure-display device 14.When pressure reaches job requirements, magnetic force door is opened
Switch 15, thus magnetic force door 5 is opened, strong impact power caused by moment, destroys the integrality in coal seam or along nature of coal seam crack
Transmit, so as to reach the anti-reflection purpose of fracturing.
The present invention realizes the anti-reflection purpose of accurate, efficient, the safe fracturing to high gas layer, is caused using carbon dioxide
It is anti-reflection to split device progress coal seam split blasting, can increase considerably cracks in coal seam around mash gas pumping drilling, coal seam is primary to be split
Gap is spread, and greatly improves gas permeability of coal seam, gas pumping amount is significantly lifted, so as to reduce coal seam during extraction
Gas pressure, Coal Seam Outburst Hazard is eliminated, while shorten the extraction time, improve drainage efficient, be that driving face is fast
Speed driving creates condition, has good economic benefit and actual application value.
It is described above, the embodiment of patent only of the present invention, but the protection domain of patent of the present invention does not limit to
With this, any change or replacement expected without creative work, should all cover within the protection domain of patent of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the scope of protection defined in the claims.
Claims (8)
- A kind of 1. mine carbon dioxide fracturing device, it is characterised in that：Increase resistance shoe 1, air pressure release device including end 3rd, magnetic force door 6, liquid storage cylinder 7, unidirectional fluid injection magnetic force door 9, heater 10, sealing rubber ring 12, pressure sensor device 13, switch 15th, 17 and handle 18；The end increases the iron plate device that high intensity is welded with resistance shoe 1, and whole fracturing device is risen Anti-skidding effect is hindered to increasing, increases resistance shoe 1 and is connected with air pressure release device 3；Air pressure is provided with the air pressure release device 3 Hole 4；The magnetic force door 5 is that two fan fan-shaped gate docking form, and magnetic force door the right and left is each provided with the silicon steel sheet 6 of connecting wire； The liquid storage cylinder 7 uses high strength thermal resistant alloy steel making, can bear elevated pressures without producing plastic deformation；The unidirectional note The right-hand member of liquid magnetic force door 9 is provided with magnetite, and the upper end of liquid injection hole is piston apparatus；The heater 10 passes through wire and circuit board 16 connections, circuit board 16 are connected with switch 17；Heater 10 is conducted heat and protected by protective cover 11；The pressure sensing dress 13 are put to be connected with pressure-display device 14；The periphery of liquid storage cylinder 7 is provided with sealing rubber ring 12.
- A kind of 2. mine carbon dioxide fracturing device according to claim 1, it is characterised in that：It is anti-skidding that the end increases resistance The iron plate device of high intensity is welded with device 1, it is characterised in that form similar " pawl " shape, avoid fracturing device release pressure Air pressure produces reaction force with hole wall after power causes whole fracturing device to come off or slide, and suitable for level or faces upward inclined borehole The anti-reflection operation of fracturing.
- A kind of 3. mine carbon dioxide fracturing device according to claim 1, it is characterised in that：The air pressure release device 3 one end are provided with pin-and-hole, and connected mode is fixedly connected for screw, are mainly used in multiple fracturing devices and are attached, for superdeep holes Fracturing.
- A kind of 4. mine carbon dioxide fracturing device according to claim 1, it is characterised in that：The magnetic force door 5 is two Fan fan-shaped gate docking forms, and contact surface is provided with magnetic means, ensures being brought into close contact for two fan doors, magnetic force door the right and left is respectively set It is equipped with the silicon steel sheet 6 of connecting wire, it is characterised in that when switching on power, during trigger switch 15, electric current passes through silicon steel sheet, electromagnetic lock Powerful suction can be produced to adsorb fan-shaped gate, the effect of " enabling " is reached with this, air pressure is discharged, wherein caused by electromagnetic lock Suction is far longer than the magnetic force between fan-shaped gate.
- A kind of 5. mine carbon dioxide fracturing device according to claim 1, it is characterised in that：The unidirectional fluid injection magnetic force 9 right-hand members of door are provided with magnetite, and when injecting liquid carbon dioxide, impulsive force from top to bottom opens magnetic force door 9, and fluid injection terminates Afterwards, magnetic force door 9 tightly adsorbs the inwall in liquid storage cylinder 7, it is characterised in that only can prevent air pressure in liquid storage cylinder with one-way movement Leakage.
- A kind of 6. mine carbon dioxide fracturing device according to claim 1, it is characterised in that：The heater 10 is logical Cross wire to be connected with circuit board 16, it is characterised in that when switching on power, during trigger switch 17, heater starts in liquid storage cylinder Liquid carbon dioxide heating, utilize transfer characteristic between carbon dioxide gas phase, liquid phase to produce huge pressure.
- A kind of 7. mine carbon dioxide fracturing device according to claim 1, it is characterised in that：The pressure sensor device 13 be a kind of device for pressure measurement with shell, stress metal interface and high level signal output, with pressure-display device 14 connections, it is characterised in that liquid storage cavity pressure can be monitored in real time, when intracavitary atmospheric pressure reaches job requirements, triggering is opened Close and open magnetic force door, so as to reach accurate fracturing purpose.
- A kind of 8. mine carbon dioxide fracturing device according to claim 1, it is characterised in that：The sealing rubber ring 12 Made using fire proofing, sealing ring is between fracturing device and hole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827953.9A CN107461183A (en) | 2017-09-14 | 2017-09-14 | A kind of mine carbon dioxide fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827953.9A CN107461183A (en) | 2017-09-14 | 2017-09-14 | A kind of mine carbon dioxide fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107461183A true CN107461183A (en) | 2017-12-12 |
Family
ID=60552305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710827953.9A Pending CN107461183A (en) | 2017-09-14 | 2017-09-14 | A kind of mine carbon dioxide fracturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461183A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026128A (en) * | 2018-06-22 | 2018-12-18 | 中国矿业大学 | Multistage combustion shock wave fracturing coal body and heat injection alternation strengthen gas pumping method |
| CN109403971A (en) * | 2018-11-06 | 2019-03-01 | 能诚集团有限公司 | Fracturing device and ore extraction method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288972A (en) * | 2016-10-18 | 2017-01-04 | 陕西金土地矿业有限公司 | Coal seam sealing of hole carbon dioxide fracturing device |
| CN206174941U (en) * | 2016-09-22 | 2017-05-17 | 贵州致裂科技有限公司 | Carbon dioxide sends and splits ware |
| CN206439041U (en) * | 2017-01-17 | 2017-08-25 | 山西工程技术学院 | A kind of experimental provision for simulating the anti-reflection coal seam of carbon dioxide fracturing |
-
2017
- 2017-09-14 CN CN201710827953.9A patent/CN107461183A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206174941U (en) * | 2016-09-22 | 2017-05-17 | 贵州致裂科技有限公司 | Carbon dioxide sends and splits ware |
| CN106288972A (en) * | 2016-10-18 | 2017-01-04 | 陕西金土地矿业有限公司 | Coal seam sealing of hole carbon dioxide fracturing device |
| CN206439041U (en) * | 2017-01-17 | 2017-08-25 | 山西工程技术学院 | A kind of experimental provision for simulating the anti-reflection coal seam of carbon dioxide fracturing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026128A (en) * | 2018-06-22 | 2018-12-18 | 中国矿业大学 | Multistage combustion shock wave fracturing coal body and heat injection alternation strengthen gas pumping method |
| CN109403971A (en) * | 2018-11-06 | 2019-03-01 | 能诚集团有限公司 | Fracturing device and ore extraction method |
| CN109403971B (en) * | 2018-11-06 | 2024-04-30 | 能诚集团有限公司 | Fracturing device and ore mining method |
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Application publication date: 20171212 |
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