CN110094179B - Quantitative quick pressurizing device for water injection hole packer - Google Patents
Quantitative quick pressurizing device for water injection hole packer Download PDFInfo
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- CN110094179B CN110094179B CN201910517924.1A CN201910517924A CN110094179B CN 110094179 B CN110094179 B CN 110094179B CN 201910517924 A CN201910517924 A CN 201910517924A CN 110094179 B CN110094179 B CN 110094179B
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- 238000002347 injection Methods 0.000 title claims abstract description 64
- 239000007924 injection Substances 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000000839 emulsion Substances 0.000 claims abstract description 13
- 239000003245 coal Substances 0.000 abstract description 18
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
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- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- 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
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- 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)
- Geophysics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention belongs to the technical field of coal mine drilling hole sealing, and particularly relates to a quantitative rapid pressurizing device of a water injection hole packer. A liquid injection gun connected with a liquid inlet of a connector is arranged at a liquid outlet of the booster pump station; the outer wall of the connector is provided with a clamping groove, and a liquid outlet of the liquid injection gun is provided with a buckle corresponding to the clamping groove so as to realize quick and stable connection of the liquid injection gun and the connector; the working resistance detector is respectively communicated with the hole packer and the stop valve. The invention adopts an emulsion pump station as a booster pump station, and is provided with a pressure control valve to be matched with a single prop resistance digital display detector to adjust the liquid adding pressure of the hole packer in real time. The stop valve is used as a pressure relief and evacuation valve, so that the rapid pressure relief movement of the hole packer is realized, the pressure relief operation is convenient, the whole structure is simple, the device is stable and reliable, the use cost is low, the quantitative rapid pressurization can be realized, and the hole sealing construction efficiency and the hole sealing quality are greatly improved.
Description
Technical Field
The invention belongs to the technical field of coal mine drilling hole sealing, and particularly relates to a quantitative rapid pressurizing device for a water injection hole packer.
Background
Along with the coal mine safety problem is more and more concerned, in the high gas outburst mine, traditional blasting technology is gradually replaced by hydraulic fracturing technology, the hydraulic fracturing technology is to drill deep holes in a coal seam, water injection hole packer is fed into the deep holes, the hole packer comprises a water pressure pipe and a bag wrapped on the outer wall of the water pressure pipe, the water injection makes the bag of the hole packer expand, the outer layer of the bag is fastened on the inner wall of the deep hole of the coal seam, the inner layer is fastened on the outer diameter of the water pressure pipe, so that the deep hole of the coal seam is blocked, and then high-pressure water is introduced into the deep hole of the coal seam through the water pressure pipe, so that hydraulic fracturing is realized. The hydraulic fracturing pollution is small, dust and other pollution caused by blasting are avoided, hidden danger of gas explosion is eliminated, the technology is used more and more frequently in coal mining, and the corresponding water injection hole packer is applied more and more frequently. Hole sealing is an important ring in hydraulic fracturing technology, and the sealing performance of a drilling hole directly influences the fracturing effect. The expansion pressure of the hole packer is closely related to the sealing effect, the currently adopted main flow hole packer pressurizing technology is to pre-expand the hole packer by using underground static pressure water, the static pressure water is water supplied to the underground by only natural pressure difference, the pressure of the static pressure water is smaller, the bag of the hole packer can only be pre-expanded and opened, then the hole packer is pressurized by using a pressurizing device consisting of a manual pressure pump and an energy collector to realize hole sealing, the pressurizing speed of the method is low, the pressurizing time of the hole packer is long, the pressurizing time of the hole packer is one fourth of the total fracturing time, and the labor intensity of workers is high; the installation and operation process are complicated; the pressurizing equipment is unreliable, the conditions that the hole packer cannot be pressurized and gauge pressure is increased but the pressure of the hole packer is unchanged easily occur, and the coal seam exploitation efficiency and the fracturing effect are seriously affected.
Therefore, there is a need to provide a quantitative rapid pressurizing device for a water injection hole packer, which aims at the defects of the prior art.
Disclosure of Invention
The invention aims to provide a quantitative rapid pressurizing device for a water injection hole packer, which at least solves the problems that the existing hole packer is low in pressurizing speed, high in labor intensity of workers, seriously affects water fracturing efficiency and the like.
In order to achieve the above object, the present invention provides the following technical solutions:
The quantitative rapid pressurizing device of the water injection hole packer comprises a pressurizing pump station, a connector, a pressure control valve, a working resistance detector and a stop valve; a liquid injection gun is arranged at a liquid outlet of the booster pump station, and the liquid injection gun is communicated with a liquid inlet of the connector; the outer wall of the connector is provided with a clamping groove, and a liquid outlet of the liquid injection gun is provided with a buckle corresponding to the clamping groove so as to realize quick and stable connection of the liquid injection gun and the connector; the liquid outlet of connector with the inlet intercommunication of pressure control valve, the liquid outlet of pressure control valve with the inlet intercommunication of work resistance detector, the liquid outlet of work resistance detector communicates with hole packer and stop valve respectively.
According to the quantitative rapid pressurizing device for the water injection hole packer, as a preferable scheme, the working resistance detector is a single prop resistance digital display detector.
According to the quantitative rapid pressurizing device for the water injection hole packer, as a preferable scheme, the hole packer is provided with the high-pressure rubber pipe, and the high-pressure rubber pipe is communicated with the bag of the hole packer; the pressurizing device further comprises a three-way joint, and the working resistance detector is respectively communicated with the high-pressure rubber tube and the stop valve through the three-way joint.
According to the quantitative rapid pressurizing device for the water injection hole packer, as a preferable scheme, the stop valve is a spherical stop valve.
According to the quantitative rapid pressurizing device for the water injection hole packer, as an optimal scheme, the pipe diameter of the high-pressure rubber pipe is smaller than the joint pipe diameter of the three-way joint, and the three-way joint is communicated with the high-pressure rubber pipe through the reducing straight joint.
According to the quantitative rapid pressurizing device for the water injection hole packer, as a preferable scheme, two ends of the reducing straight-through joint are fixed with the joint connection parts of the three-way joint and the high-pressure rubber tube through U-shaped pins.
According to the quantitative rapid pressurizing device for the water injection hole packer, as an optimal scheme, the check valve is arranged between the working resistance detector and the pressure control valve, and pressure liquid flows from the pressure control valve to the working resistance detector.
According to the quantitative rapid pressurizing device for the water injection hole packer, as a preferable scheme, the K-shaped buckling joint is arranged at the liquid outlet of the working resistance detector, and the working resistance detector is communicated with the three-way joint through the K-shaped buckling joint.
As the quantitative rapid pressurizing device for the water injection hole packer is used as a preferable scheme, the pressure control valve, the connector and the working resistance detector are provided with the flange plates, the pressure control valve is connected with the connector through the flange plates, and the pressure control valve is connected with the working resistance detector through the flange plates. Preferably, a sealing gasket is arranged between the connecting head and the flange plate at the connecting position of the working resistance detector, and a sealing gasket is arranged between the connecting head and the flange plate at the connecting position of the pressure controller.
According to the quantitative rapid pressurizing device for the water injection hole packer, as a preferable scheme, the bearing capacity of the liquid inlet of the pressure control valve is not lower than 30Mpa.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
According to the quantitative rapid pressurizing device for the water injection hole packer, provided by the invention, the hole packer hole sealing pressure is adjustable by arranging the pressure control valve, and the single prop working resistance digital display monitor is arranged to be matched with the pressure control valve for use, so that the digital display of the hole packer pressure is more visual and accurate, and the hole sealing pressure can be conveniently observed in real time for adjustment. The single prop working resistance digital display monitor also has the function of a one-way valve, so that the backflow of pressure liquid can be prevented in the hole sealing process of the hole packer, the pressure control valve does not need to be closed when the hole packer completely seals the coal seam hole, the pressure control valve does not need to be regulated after the position of the hole packer is replaced subsequently, and the time for circulating and repeated hole sealing is greatly saved. The stop valve is used as a pressure relief and evacuation valve, so that the rapid pressure relief movement of the hole packer is realized, and the pressure relief operation is convenient. The whole structure is simple, stable and reliable, and the use cost is low. The flange plate connection mode is adopted to be matched with the use of the sealing gasket, so that the connection is tight, and the disassembly and the installation are convenient. The whole pressurizing device has the advantages of simple and compact structure, simple installation and disassembly and convenient movement; the quantitative quick pressurization can be realized, the efficiency and the quality of hole sealing construction are greatly improved, and the method has important significance for hole sealing construction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
Wherein:
FIG. 1 is a schematic diagram of a quantitative rapid pressurizing device for a water injection hole packer according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a liquid injection gun according to an embodiment of the present invention;
FIG. 3 is a schematic view of a connector structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a single prop resistance digital display detector according to an embodiment of the present invention;
Fig. 5 is an exploded view of the connection of the tee joint, the reducing straight-through joint and the high-pressure hose according to the embodiment of the present invention.
In the figure: 1. a liquid injection gun; 101. a buckle; 102. a control switch; 2. a connector; 201. a clamping groove; 3. a pressure control valve; 4. a single prop resistance digital display detector 4; 401. a K-shaped buckling joint; 402. a single prop three-purpose valve; 403. a digital display detector head; 5. a three-way joint; 6. a spherical stop valve; 7. a high pressure hose; 8. a reducing straight-through joint; 9. a flange plate; 10. and a sealing gasket.
Detailed Description
The application will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
According to a specific embodiment of the invention, as shown in fig. 1 to 5, the invention provides a quantitative rapid pressurizing device of a water injection hole packer, which comprises a pressurizing pump station, a connector 2, a pressure control valve 3, a working resistance detector and a stop valve;
A liquid injection gun 1 is arranged at a liquid outlet of the booster pump station, and the liquid injection gun 1 is communicated with a liquid inlet of the connector 2; the outer wall of the connector 2 is provided with a clamping groove 201, and a liquid outlet of the liquid injection gun 1 is provided with a buckle 101 corresponding to the clamping groove 201, so that the liquid injection gun 1 and the connector 2 are connected quickly and stably;
The liquid outlet of connector 2 communicates with the inlet of pressure control valve 3, and the liquid outlet of pressure control valve 3 communicates with the inlet of work resistance detector, and the liquid outlet of work resistance detector communicates with hole packer and stop valve respectively. In the embodiment of the invention, the pressurized pump station adopts the existing emulsion pump station under the mine, and a pressure hose is led out of the emulsion pump station to be communicated with the liquid injection gun 1. The emulsion for coal mine is a mixture of emulsified oil and water, the content of the emulsified oil is generally 1% -2%, metal is not easy to rust, and the emulsion for coal mine mainly comprises an emulsion pump station for providing power. The emulsion pressure of the emulsion pump station can reach 30Mpa.
When the hydraulic fracturing device is used, a booster pump station is started, the liquid injection gun 1 is connected with the connector 2, the pressure control valve 3 is opened, the hydraulic value detected by the working resistance detector is observed, the pressure control valve 3 is regulated, when the hydraulic value of the working resistance detector reaches a preset pressure value, the hole packer is completely plugged in a coal seam hole, the pressure control valve 3 is closed, pressurized water is introduced into a water pressure pipe of the hole packer until hydraulic fracturing is completed, the introduction of the pressurized water into the water pressure pipe is stopped, a switch of the stop valve is opened, the pressurized liquid in a bag of the hole packer is discharged through the stop valve, the position of the hole packer is moved, the stop valve is closed, and the water fracturing process of the next cycle is performed.
In the specific embodiment of the invention, the pressure liquid adopts emulsion, and the emulsion is used for replacing static pressure water to pressurize the water injection hole packer, and the pressurizing speed is high due to high pressure liquid pressure (the emulsion liquid pressure of a hydraulic pump station is about 30Mpa in the conventional case), so that the pressurizing can be completed within 30 s. The static pressure water is conveyed from the ground to the underground of the coal mine, the drop between the ground and the underground is about 300m, the pressure of the static pressure water is 3Mpa at the maximum, and the pressure is much smaller than the emulsion pressure.
Further, the outlet of the booster pump station is provided with a liquid injection gun 1, the booster device further comprises a connector 2, the liquid injection gun 1 is communicated with the pressure control valve 3 through the connector 2, and the connector 2 is in quick connection with the liquid injection gun 1. The outer wall of the connector 2 is specifically provided with a clamping groove 201 in a quick connection relationship, a buckle 101 corresponding to the clamping groove 201 of the connector 2 is arranged at the liquid outlet of the liquid injection gun 1, the outlet of the liquid injection gun 1 is aligned with the liquid inlet of the connector 2 when in use, the buckle 101 is clamped at the clamping groove 201, the quick and stable connection of the liquid injection gun 1 and the connector 2 is realized, and the purpose of plug and play is achieved. In order to enhance the sealing performance of the joint, a sealing ring is arranged at the communication part of the liquid injection gun 1 and the connector 2. The liquid injection gun 1 is provided with a control switch 102, and the liquid injection gun 1 can be controlled to be filled by pressing the control switch 102 of the liquid injection gun 1 when in use. Thereby avoiding frequent start-up of the booster pump station.
Further, the working resistance detector is a single prop resistance digital display detector 4. The single prop resistance digital display detector 4 comprises a single prop three-way valve 402 and a digital display detector head 403, wherein the digital display detector head 403 is arranged on the single prop three-way valve 402 and is used for detecting the liquid pressure passing through the single prop three-way valve 402, the single prop three-way valve 402 has the function of a one-way valve, and the one-way valve functional part of the single prop three-way valve 402 is positioned between the pressure control valve 3 and the digital display detector head 403. Because the single prop resistance digital display detector 4 has the function of a one-way valve, the backflow of pressure liquid can be prevented in the hole sealing process of the hole packer, the pressure control valve 3 does not need to be closed when the hole packer completely seals the coal seam hole, the pressure control valve 3 does not need to be regulated in time waste after the position of the hole packer is replaced subsequently, a booster pump station is started, the pressure of the pressure liquid after passing through the pressure control valve 3 basically reaches a preset pressure value, the cyclic use of the hole packer is greatly facilitated, and the efficiency of cyclic hole sealing is improved. Of course, in other embodiments of the present invention, if the operating resistance detector does not have the function of a check valve, a check valve may be provided between the operating resistance detector and the pressure control valve 3, and the pressure fluid flows from the pressure control valve 3 to the operating resistance detector. Thereby satisfying the above functions.
The hole packer is provided with a high-pressure rubber tube 7, and the high-pressure rubber tube 7 is communicated with a bag of the hole packer. The pressurizing device also comprises a three-way joint 5, and the single prop resistance digital display detector 4 is respectively communicated with the high-pressure rubber tube 7 and the stop valve through the three-way joint 5. The three-way joint 5 is fixed by a U-shaped pin after being communicated with the stop valve. Further, the shut-off valve is a ball-shaped shut-off valve 6. In the specific embodiment of the invention, the stop valve is a mining spherical stop valve 6, and the three-way joint 5 is a mining three-way joint 5. In the specific embodiment of the invention, the pipe diameters of the connector 2, the single prop resistance digital display detector 4 and the three-way connector 5 are the same.
The liquid outlet department of work resistance detector is provided with K type and withholds joint 401, and work resistance detector withholds joint 401 and three way connection 5 intercommunication through K type, and K type withholds joint 401 and three way connection 5 intercommunication back and uses the U type round pin to fix. In a specific embodiment of the invention, the mining K-type buckling joint 401 is welded with the liquid outlet of the working resistance detector.
The pipe diameter of the high-pressure rubber pipe 7 is smaller than the joint pipe diameter of the three-way joint 5, and the three-way joint 5 is communicated with the high-pressure rubber pipe 7 through a reducing straight joint 8. In order to realize quick and stable connection, the two ends of the reducing straight-through joint 8 are fixed with the joint connection parts of the three-way joint 5 and the high-pressure rubber tube 7 through U-shaped pins. In the specific embodiment of the invention, the reducing straight-through joint 8 is a mining reducing straight-through joint 8.
In the embodiment of the invention, for convenience of connection, the flange plate 9 is arranged on the pressure control valve 3, the connector 2 and the working resistance detector, and the flange plate 9 is provided with mounting holes. The pressure control valve 3 and the connector 2 are connected through the bolts penetrating into the mounting holes on the corresponding flange 9, and the pressure control valve 3 and the working resistance detector are connected through the bolts penetrating into the mounting holes on the corresponding flange 9. Preferably, the bolts are bolts of M10. In order to realize the close connection between the flanges 9, a sealing gasket 10 is arranged between the flange 9 at the joint of the connector 2 and the working resistance detector, and a sealing gasket 10 is arranged between the flange 9 at the joint of the connector 2 and the pressure controller.
Further, the pressure-bearing capacity of the liquid inlet of the pressure control valve 3 is not lower than 30Mpa. In a specific use, the pressure control valve 3 can be normally used in a pressure environment of 30Mpa and can reduce the pressure to 20Mpa.
When the quantitative rapid pressurizing device for the water injection hole packer is used, hydraulic fracturing is carried out on a rock stratum by adopting two plugs and one injection, namely, two hole packer are filled in the depth direction of a coal seam hole, a distance is reserved between the two hole packer, the two hole packer is pressurized to realize plugging, and then hydraulic fracturing is carried out on a hole between the two hole packer. When the hole packer is used for sealing holes, the hole packer is placed at a position where coal seam holes are required to be cracked, a water inlet end of a high-pressure rubber pipe on the hole packer is fixedly connected with a reducing straight joint through a U-shaped pin, a spherical stop valve is closed, a pressure control valve is closed, a liquid injection gun is clamped on the joint, then the pressure control valve is rotated for a quarter circle, a control switch 3S of the liquid injection gun is pressed and opened, the hole packer is loosened and kept for 1S, intermittent pressurization is adopted, normal expansion of the hole packer is ensured, if the indication number of a single prop working resistance digital display monitor does not meet the requirement, the pressure control valve is slowly adjusted in a rotating mode until the indication number of the single prop working resistance digital display monitor meets the requirement (for example, the indication number of the single prop working resistance digital display monitor reaches 20 Mpa), then the control switch of the liquid injection gun is loosened, and the hole packer is stopped from filling with pressure liquid, and the hole packer is sealed. Because the pressure of the pressure liquid in the hole packer bag can be controlled, the elasticity of the bag is fixed, so that the volume of the pressure liquid in the bag can be determined, and quantitative and rapid pressurization is realized. And then, starting hydraulic fracturing, introducing pressure water into the water pressure pipe of the hole packer until the hydraulic fracturing is completed, stopping introducing the pressure water into the water pressure pipe, opening a switch of a stop valve, discharging the pressure liquid in the bag of the hole packer through the stop valve, moving the position of the hole packer, and closing the stop valve to carry out the water fracturing process of the next cycle.
In summary, according to the quantitative rapid pressurizing device for the water injection hole packer, provided by the invention, the hole packer hole sealing pressure is adjustable by arranging the pressure control valve, and the single prop working resistance digital display monitor is arranged to be matched with the pressure control valve for use, so that the hole packer pressure is digitally displayed more intuitively and accurately, and the hole sealing pressure can be conveniently observed in real time for adjustment. The single prop working resistance digital display monitor also has the function of a one-way valve, so that the backflow of pressure liquid can be prevented in the hole sealing process of the hole packer, the pressure control valve does not need to be closed when the hole packer completely seals the coal seam hole, the pressure control valve does not need to be regulated after the position of the hole packer is replaced subsequently, and the time for circulating and repeated hole sealing is greatly saved. The stop valve is used as a pressure relief and evacuation valve, so that the rapid pressure relief movement of the hole packer is realized, and the pressure relief operation is convenient. The whole structure is simple, stable and reliable, and the use cost is low. The flange plate connection mode is adopted to be matched with the use of the sealing gasket, so that the connection is tight, and the disassembly and the installation are convenient. The whole pressurizing device has the advantages of simple and compact structure, simple installation and disassembly and convenient movement; the quantitative quick pressurization can be realized, the efficiency and the quality of hole sealing construction are greatly improved, and the method has important significance for hole sealing construction.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The quantitative rapid pressurizing device for the water injection hole packer is characterized by comprising a pressurizing pump station, a connector, a pressure control valve, a working resistance detector and a stop valve;
A liquid injection gun is arranged at a liquid outlet of the booster pump station, and the liquid injection gun is communicated with a liquid inlet of the connector; the outer wall of the connector is provided with a clamping groove, and a liquid outlet of the liquid injection gun is provided with a buckle corresponding to the clamping groove so as to realize quick and stable connection of the liquid injection gun and the connector;
The liquid outlet of the connector is communicated with the liquid inlet of the pressure control valve, the liquid outlet of the pressure control valve is communicated with the liquid inlet of the working resistance detector, and the liquid outlet of the working resistance detector is respectively communicated with the hole packer and the stop valve;
The working resistance detector is a single prop resistance digital display detector;
The hole packer is provided with a high-pressure rubber pipe which is communicated with a bag of the hole packer; the pressurizing device further comprises a three-way joint, and the working resistance detector is respectively communicated with the high-pressure rubber tube and the stop valve through the three-way joint;
The bearing capacity of the liquid inlet of the pressure control valve is not lower than 30Mpa;
a one-way valve is arranged between the working resistance detector and the pressure control valve, and pressure liquid flows from the pressure control valve to the working resistance detector;
the pressure liquid adopts emulsion.
2. The water injection hole packer quantitative rapid pressurization device of claim 1, wherein the shut-off valve is a spherical shut-off valve.
3. The quantitative rapid pressurizing device of the water injection hole packer according to claim 1, wherein the pipe diameter of the high-pressure rubber pipe is smaller than the joint pipe diameter of the three-way joint, and the three-way joint is communicated with the high-pressure rubber pipe through a reducing straight joint.
4. The quantitative rapid pressurizing device for the water injection hole packer according to claim 3, wherein two ends of the reducing straight-through joint are respectively fixed with joint joints of the three-way joint and the high-pressure rubber pipe through U-shaped pins.
5. The quantitative rapid pressurizing device for the water injection hole packer according to claim 1, wherein a K-shaped buckling joint is arranged at a liquid outlet of the working resistance detector, and the working resistance detector is communicated with the three-way joint through the K-shaped buckling joint.
6. The quantitative rapid pressurizing device of the water injection hole packer according to claim 1, wherein the pressure control valve, the connector and the working resistance detector are provided with flanges, the pressure control valve is connected with the connector through the flanges, and the pressure control valve is connected with the working resistance detector through the flanges;
a sealing gasket is arranged between the pressure control valve and the flange plate at the joint of the working resistance detector, and a sealing gasket is arranged between the connector and the flange plate at the joint of the pressure control valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517924.1A CN110094179B (en) | 2019-06-14 | 2019-06-14 | Quantitative quick pressurizing device for water injection hole packer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517924.1A CN110094179B (en) | 2019-06-14 | 2019-06-14 | Quantitative quick pressurizing device for water injection hole packer |
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| CN110094179A CN110094179A (en) | 2019-08-06 |
| CN110094179B true CN110094179B (en) | 2024-05-07 |
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| CN210087288U (en) * | 2019-06-14 | 2020-02-18 | 河南理工大学 | Quantitative quick pressurizing device for water injection hole packer |
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| FR2958966B1 (en) * | 2010-04-20 | 2016-02-12 | Saltel Ind | METHOD AND DEVICE FOR SEALING A WELL USING AN EXPANDABLE PLUG, PLUG FOR CARRYING OUT THE METHOD, AND EXTRACTOR TOOL FOR REMOVING IT |
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| CN203772484U (en) * | 2014-04-21 | 2014-08-13 | 山西大运汽车制造有限公司 | Performance testing apparatus for automotive air pressure sensor and pressure switch |
| CN204457843U (en) * | 2015-02-05 | 2015-07-08 | 河北同成科技股份有限公司 | A kind of coal seam flooding hole sealing device |
| CN107130986A (en) * | 2016-02-27 | 2017-09-05 | 六盘水师范学院 | A kind of colliery fiber grating hydraulic prop pressure gauge and prior-warning device |
| CN109488299A (en) * | 2018-12-29 | 2019-03-19 | 山东东山新驿煤矿有限公司 | The comprehensive pick rock gangway hard rock hydraulic fracturing softening plant of one kind and method |
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