CN116696272A - Self-display blowout preventer for continuous closed water pumping level of buffer control spray hole - Google Patents
Self-display blowout preventer for continuous closed water pumping level of buffer control spray hole Download PDFInfo
- Publication number
- CN116696272A CN116696272A CN202310859753.7A CN202310859753A CN116696272A CN 116696272 A CN116696272 A CN 116696272A CN 202310859753 A CN202310859753 A CN 202310859753A CN 116696272 A CN116696272 A CN 116696272A
- Authority
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- China
- Prior art keywords
- negative pressure
- pressure box
- pipe
- box body
- spray hole
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000007921 spray Substances 0.000 title claims abstract description 19
- 238000005086 pumping Methods 0.000 title claims abstract description 14
- 230000003139 buffering effect Effects 0.000 claims abstract description 20
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 239000003245 coal Substances 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 38
- 230000006837 decompression Effects 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008961 swelling 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention belongs to the technical field of coal mine gas control, and particularly relates to a buffer control spray hole continuous closed water pumping level self-display blowout preventer, which comprises the following components: the negative pressure box, the negative pressure box level sets up, the one end rigid coupling of negative pressure box and intercommunication have the second connecting pipe, the other end rigid coupling of negative pressure box and intercommunication have observation window and mediation subassembly, observation window is located mediation subassembly top, the top intercommunication of negative pressure box has the gas buffering ball, the gas buffering ball is close to the second connecting pipe, the bottom intercommunication of negative pressure box has the V-arrangement elbow of slagging tap, the V-arrangement elbow of slagging tap is close to the mediation subassembly, the top of negative pressure box is provided with buoyancy pressure release subassembly. The invention can play a role in buffering and pressure relief when encountering a gas spray hole, and can enable a worker to discover the spray hole phenomenon in time.
Description
Technical Field
The invention belongs to the technical field of coal mine gas control, and particularly relates to a self-display blowout preventer for continuously sealing water level of a buffer control spray hole.
Background
At present, in the drilling construction process of coal and gas outburst mine areas, blowout prevention devices are mostly adopted as abnormal gas overrun prevention measures, but the existing blowout prevention devices are relatively heavy and cannot be completely sealed, and although some blowout prevention devices capable of achieving full sealing exist, the blowout prevention devices cannot observe the water level change condition in the blowout prevention devices.
The change of the water level in the blowout preventer can reflect whether an abnormal situation occurs in the drill hole, so that whether the change of the water level in the blowout preventer can be observed is very important; meanwhile, when coal and gas overflow occurs in the drilling construction process of some blowout preventer, the blowout preventer can not be blocked due to the buffer effect, the post treatment is complicated, and the gas abnormality or overrun can still be caused in the blocking treatment process.
Disclosure of Invention
The invention aims to provide a self-display blowout preventer for continuously sealing water pumping level of a buffer control spray hole.
In order to achieve the above object, the present invention provides the following solutions:
a buffer control spray hole continuous closed water pumping level self-display blowout preventer comprises: negative pressure box, negative pressure box level sets up, the one end rigid coupling and the intercommunication of negative pressure box have the second connecting pipe, the other end rigid coupling and the intercommunication of negative pressure box have observation window and mediation subassembly, observation window is located mediation subassembly top, the top intercommunication of negative pressure box has the gas buffering ball, the gas buffering ball is close to the second connecting pipe, the bottom intercommunication of negative pressure box has the V-arrangement elbow of slagging tap, the V-arrangement elbow of slagging tap is close to the mediation subassembly, the top of negative pressure box is provided with buoyancy pressure release subassembly.
Preferably, the observation window comprises a first flange fixedly connected to the end part of the negative pressure box body, organic glass is fixedly connected to one side, away from the negative pressure box body, of the first flange, and the organic glass is obliquely upwards arranged.
Preferably, the dredging assembly comprises a dredging pipe fixedly connected to one end of the negative pressure box body, and an end cover is detachably connected to one end, away from the negative pressure box body, of the dredging pipe.
Preferably, the buoyancy pressure relief assembly comprises a float valve arranged at the top end of the negative pressure box body, a float ball is fixedly connected to the float valve, and the float ball is arranged in the negative pressure box body.
Preferably, the top end of the negative pressure box body is fixedly connected and communicated with a first connecting pipe, and one end of the first connecting pipe, which is far away from the negative pressure box body, is fixedly connected and communicated with a gas buffer ball.
Preferably, the outer side wall of the second connecting pipe is fixedly connected with a second pressurizing straight-through pipe, one end of the second pressurizing straight-through pipe extends into the second connecting pipe, the other end of the second pressurizing straight-through pipe penetrates out of the second connecting pipe and is communicated with a first ball valve, and the first ball valve is communicated with a first high-pressure water pipe.
Preferably, the side wall of the V-shaped slag outlet elbow is fixedly connected with a first pressurizing straight-through pipe, one end of the first pressurizing straight-through pipe extends into the V-shaped slag outlet elbow, the other end of the first pressurizing straight-through pipe penetrates out of the V-shaped slag outlet elbow and is communicated with a second ball valve, and the second ball valve is communicated with a second high-pressure water pipe.
Preferably, the top end of the negative pressure box body is fixedly connected and communicated with a negative pressure gauge seat, and a negative pressure gauge is arranged on the negative pressure gauge seat.
Preferably, the top end of the negative pressure box body is fixedly connected and communicated with a first negative pressure pipe, one end of the first negative pressure pipe, which is far away from the negative pressure box body, is fixedly connected and communicated with a second negative pressure pipe, and the pipe diameter of the second negative pressure pipe is smaller than that of the first negative pressure pipe.
Compared with the prior art, the invention has the following advantages and technical effects:
according to the invention, the gas buffer ball and the buoyancy decompression component are arranged on the negative pressure box body, when a gas spray hole appears, a large amount of gas, water and coal (rock) slag enter the negative pressure box body, the gas buffer ball is swelled under the action of the gas to play a primary role in buffering, meanwhile, the liquid level in the negative pressure box body is raised, the buoyancy decompression component is opened, the pressure in the negative pressure box body is further reduced, at the moment, workers observe the swelling of the gas buffer ball and the opening of the buoyancy decompression component, the suction and discharge negative pressure of the gas suction pipeline is regulated to suck the sprayed gas into the gas suction pipeline, so that the gas overflow into roadway wind flow is avoided to cause gas overrun accidents;
meanwhile, an observation window is arranged on the negative pressure box body, and the water level change in the negative pressure box body can be observed through the observation window.
Drawings
For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a front view of the present invention;
wherein, 1, the negative pressure box body; 2. v-shaped slag discharging elbow; 3. a first pressurized straight through tube; 4. a dredging pipe; 5. an end cap; 6. an observation window; 7. a first negative pressure pipe; 8. a second negative pressure pipe; 9. a floating ball; 10. a float valve; 11. a negative pressure gauge stand; 12. a gas buffer ball; 13. a first connection pipe; 14. a second connection pipe; 15. and a second pressurized straight through pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 2, the invention discloses a buffer control spray hole continuous closed water pumping level self-display blowout preventer, which comprises: the negative pressure box 1, negative pressure box 1 level sets up, the one end rigid coupling of negative pressure box 1 and intercommunication have second connecting pipe 14, the other end rigid coupling of negative pressure box 1 and intercommunication have observation window 6 and mediation subassembly, observation window 6 is located mediation subassembly top, the top intercommunication of negative pressure box 1 has gas buffering ball 12, gas buffering ball 12 is close to second connecting pipe 14, the bottom intercommunication of negative pressure box 1 has V-arrangement to slag out elbow 2, V-arrangement to slag out elbow 2 is close to the mediation subassembly, the top of negative pressure box 1 is provided with buoyancy pressure release subassembly.
According to the invention, the gas buffer ball 12 and the buoyancy decompression component are arranged on the negative pressure box body 1, when a gas spray hole appears, a large amount of gas, water and coal (rock) slag enter the negative pressure box body 1, at the moment, the gas buffer ball 12 expands under the action of the gas to play a role of primary buffering, meanwhile, the liquid level in the negative pressure box body 1 rises, the buoyancy decompression component is opened, the pressure in the negative pressure box body 1 is further reduced, at the moment, workers observe the expansion of the gas buffer ball 12 and the opening of the buoyancy decompression component, the suction and discharge negative pressure of a gas extraction pipeline is regulated to pump all sprayed gas into the gas extraction pipeline, and therefore, the occurrence of gas overrun accidents caused by gas overflow into roadway wind flows is avoided;
meanwhile, an observation window 6 is arranged on the negative pressure box body 1, and the water level change in the negative pressure box body 1 can be observed through the observation window 6.
Further optimizing scheme, observation window 6 includes the rigid coupling at the first flange of negative pressure box 1 tip, and one side rigid coupling that first flange kept away from negative pressure box 1 has organic glass, and organic glass slope upwards sets up.
The water level in the negative pressure tank body 1 can be observed through the organic glass on the observation window 6.
Further optimizing scheme, the mediation subassembly is including rigid coupling in dredge pipe 4 of negative pressure box 1 one end, and dredge pipe 4 is kept away from the one end of negative pressure box 1 and can dismantle and be connected with end cover 5. The end cover 5 is detachably connected with the dredging pipe 4 through bolts.
The dredging pipe 4 is 50mm away from the bottom end of the negative pressure box body 1, and when the negative pressure box body 1 is blocked, the end cover 5 is detached to dredge the negative pressure box body 1 through the dredging pipe 4.
Further optimizing scheme, buoyancy pressure release subassembly is including setting up the ball float 10 on negative pressure box 1 top, and the rigid coupling has floater 9 on the ball float 10, and floater 9 sets up in negative pressure box 1.
The liquid level in the negative pressure box body 1 rises, the floating ball 9 rises along with the rising liquid level, the floating ball valve 10 is opened, and the negative pressure box body 1 is decompressed.
Further optimizing scheme, the top rigid coupling and the intercommunication of negative pressure box 1 have first connecting pipe 13, and the one end rigid coupling that negative pressure box 1 was kept away from to first connecting pipe 13 has gas buffer ball 12 to the intercommunication.
The negative pressure box body 1 is communicated with the gas buffer ball 12 through a first connecting pipe 13; the first connecting pipe 13 is connected with the gas buffer ball 12 through a second flange.
Further optimizing scheme, the outer lateral wall of second connecting pipe 14 is last to be fixedly connected with second pressurization straight-through pipe 15, and in the second connecting pipe 14 was stretched into to the one end of second pressurization straight-through pipe 15, the other end of second pressurization straight-through pipe 15 was worn out second connecting pipe 14 and is linked together there is first ball valve, and first ball valve intercommunication has first high-pressure water pipe.
When a large amount of coal (rock) slag passes through the second connection pipe 14, the second connection pipe 14 may be blocked, at this time, the first ball valve is opened, and high-pressure water flow enters the second connection pipe 14 through the second pressurizing straight-through pipe 15, so that the coal (rock) slag in the second connection pipe 14 is washed away, and the second connection pipe 14 is unobstructed.
Further optimizing scheme, the rigid coupling has first pressurization straight-through pipe 3 on the lateral wall of V-arrangement slag notch elbow 2, and in the V-arrangement slag notch elbow 2 was stretched into to the one end of first pressurization straight-through pipe 3, the other end of first pressurization straight-through pipe 3 was worn out V-arrangement slag notch elbow 2 and is linked together there is the second ball valve, and the second ball valve intercommunication has the second high-pressure water pipe.
The V-shaped slag outlet elbow 2 is in a normally open state during coal penetration and punching, the negative pressure box body 1 is flushed out by utilizing water flow sprayed by the first pressurizing straight-through pipe 3 to flow in coal (rock) slag of the V-shaped slag outlet elbow 2, and meanwhile, a small amount of water is reserved at the bent part of the V-shaped slag outlet elbow 2 to serve as a seal, so that the V-shaped slag outlet elbow 2 is always in a sealed state, a closed space is formed inside the negative pressure box body 1, and negative pressure loss in the negative pressure box body 1 is reduced, and gas is prevented from overflowing into a roadway. Meanwhile, the blockage of the pipe is easily caused by the increase of the coal quantity in the V-shaped slag outlet elbow 2 during the coal penetrating and punching, and the high-pressure water flow is introduced into the V-shaped slag outlet elbow 2 through the first pressurizing straight-through pipe 3, so that the V-shaped slag outlet elbow 2 can be prevented from being blocked.
Further optimizing scheme, the top rigid coupling and the intercommunication of negative pressure box 1 have negative pressure gauge stand 11, install the negative pressure gauge on the negative pressure gauge stand 11.
The negative pressure condition in the negative pressure box body 1 can be observed through the negative pressure meter.
Further optimizing scheme, the top rigid coupling and the intercommunication of negative pressure box 1 have first negative pressure pipe 7, and the one end rigid coupling that negative pressure box 1 was kept away from to first negative pressure pipe 7 has second negative pressure pipe 8 to the intercommunication, and the pipe diameter of second negative pressure pipe 8 is less than the pipe diameter of first negative pressure pipe 7. The pipe diameter of the second negative pressure pipe 8 is 108mm, and the pipe diameter of the first negative pressure pipe 7 is 219mm.
The second negative pressure pipe 8 is communicated with a negative pressure pipe, and the gas in the negative pressure box body 1 is extracted through the second negative pressure pipe 8, so that the negative pressure box body 1 is always in a negative pressure state; the pipe diameter of the second negative pressure pipe 8 is smaller than that of the first negative pressure pipe 7, so that the flow speed of the air flow in the negative pressure box body 1 at the first negative pressure pipe 7 is slowed down, and water and coal are prevented from entering the negative pressure pipe due to overlarge negative pressure.
One of the specific design values of the invention is:
the length of the negative pressure box body 1 is 2000mm, the diameter is 800mm, the part of the second connecting pipe 14 extending out of the negative pressure box body 1 is 100mm and is obliquely upwards arranged, the distance between the second connecting pipe 14 and the bottom end of the negative pressure box body 1 is 300mm, the length of the first connecting pipe 13 extending out of the top end of the negative pressure box body 1 is 150mm, and the first connecting pipe 13 is vertically arranged; the vertical section of the V-shaped slag outlet elbow 2 is 300mm long, the included angle between the bent section and the vertical section is 45 degrees, the shortest outlet length is 200mm, and the bent section and the vertical section are communicated with the negative pressure box body 1 through a third flange; the first negative pressure pipe 7 extends out of the top end of the negative pressure box body 1 by 150mm.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (9)
1. The utility model provides a buffering accuse orifice is airtight water level self-indicating blowout preventer in succession, its characterized in that includes: negative pressure box (1), negative pressure box (1) level sets up, the one end rigid coupling and the intercommunication of negative pressure box (1) have second connecting pipe (14), the other end rigid coupling and the intercommunication of negative pressure box (1) have observation window (6) and mediation subassembly, observation window (6) are located mediation subassembly top, the top intercommunication of negative pressure box (1) has gas buffering ball (12), gas buffering ball (12) are close to second connecting pipe (14), the bottom intercommunication of negative pressure box (1) has V-arrangement elbow (2) of slagging tap, V-arrangement elbow (2) are close to the mediation subassembly, the top of negative pressure box (1) is provided with buoyancy pressure release subassembly.
2. The self-display blowout preventer of continuous closed water pumping level of a buffering control spray hole of claim 1, wherein: the observation window (6) comprises a first flange fixedly connected to the end part of the negative pressure box body (1), organic glass is fixedly connected to one side, away from the negative pressure box body (1), of the first flange, and the organic glass is obliquely upwards arranged.
3. The self-display blowout preventer of continuous closed water pumping level of a buffering control spray hole of claim 1, wherein: the dredging assembly comprises a dredging pipe (4) fixedly connected to one end of the negative pressure box body (1), and an end cover (5) is detachably connected to one end, away from the negative pressure box body (1), of the dredging pipe (4).
4. The self-display blowout preventer of continuous closed water pumping level of a buffering control spray hole of claim 1, wherein: the buoyancy pressure relief assembly comprises a float valve (10) arranged at the top end of the negative pressure box body (1), a float ball (9) is fixedly connected to the float valve (10), and the float ball (9) is arranged in the negative pressure box body (1).
5. The self-display blowout preventer of continuous closed water pumping level of a buffering control spray hole of claim 1, wherein: the top end of the negative pressure box body (1) is fixedly connected and communicated with a first connecting pipe (13), and one end, far away from the negative pressure box body (1), of the first connecting pipe (13) is fixedly connected and communicated with a gas buffer ball (12).
6. The self-display blowout preventer of continuous closed water pumping level of a buffering control spray hole of claim 1, wherein: the outer side wall of the second connecting pipe (14) is fixedly connected with a second pressurizing straight-through pipe (15), one end of the second pressurizing straight-through pipe (15) stretches into the second connecting pipe (14), the other end of the second pressurizing straight-through pipe (15) penetrates out of the second connecting pipe (14) and is communicated with a first ball valve, and the first ball valve is communicated with a first high-pressure water pipe.
7. The self-display blowout preventer of continuous closed water pumping level of a buffering control spray hole of claim 1, wherein: the V-shaped slag discharging elbow comprises a V-shaped slag discharging elbow (2), wherein a first pressurizing straight-through pipe (3) is fixedly connected to the side wall of the V-shaped slag discharging elbow (2), one end of the first pressurizing straight-through pipe (3) stretches into the V-shaped slag discharging elbow (2), the other end of the first pressurizing straight-through pipe (3) penetrates out of the V-shaped slag discharging elbow (2) and is communicated with a second ball valve, and the second ball valve is communicated with a second high-pressure water pipe.
8. The self-display blowout preventer of continuous closed water pumping level of a buffering control spray hole of claim 1, wherein: the top end of the negative pressure box body (1) is fixedly connected and communicated with a negative pressure gauge seat (11), and a negative pressure gauge is arranged on the negative pressure gauge seat (11).
9. The self-display blowout preventer of continuous closed water pumping level of a buffering control spray hole of claim 1, wherein: the negative pressure box comprises a negative pressure box body (1), wherein the top end of the negative pressure box body (1) is fixedly connected and communicated with a first negative pressure pipe (7), the first negative pressure pipe (7) is far away from one end of the negative pressure box body (1) and is fixedly connected and communicated with a second negative pressure pipe (8), and the pipe diameter of the second negative pressure pipe (8) is smaller than that of the first negative pressure pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310859753.7A CN116696272B (en) | 2023-07-13 | 2023-07-13 | Self-display blowout preventer for continuous closed water pumping level of buffer control spray hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310859753.7A CN116696272B (en) | 2023-07-13 | 2023-07-13 | Self-display blowout preventer for continuous closed water pumping level of buffer control spray hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116696272A true CN116696272A (en) | 2023-09-05 |
| CN116696272B CN116696272B (en) | 2024-01-19 |
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| CN202310859753.7A Active CN116696272B (en) | 2023-07-13 | 2023-07-13 | Self-display blowout preventer for continuous closed water pumping level of buffer control spray hole |
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040197207A1 (en) * | 2002-08-14 | 2004-10-07 | Youn Chi Wook | Sealing structure of pump |
| CA2472903A1 (en) * | 2004-07-05 | 2006-01-05 | Varco I/P, Inc. | Convertible snubber |
| CN2825947Y (en) * | 2004-11-30 | 2006-10-11 | 淮北矿业集团煤业有限责任公司芦岭煤矿 | Blowout preventer for drill of protrusive coal seam |
| CN102061933A (en) * | 2010-12-13 | 2011-05-18 | 山西晋城无烟煤矿业集团有限责任公司 | Long drilling positioning construction process |
| CN207245678U (en) * | 2017-05-05 | 2018-04-17 | 淮北矿业（集团）有限责任公司 | A kind of layer-through drilling blowout prevention extraction system |
| CN109209282A (en) * | 2018-11-07 | 2019-01-15 | 孔维 | Easy-to-use type drilling construction blowout hookup |
| WO2019075885A1 (en) * | 2017-10-18 | 2019-04-25 | 西安交通大学 | Method of reforming coal-bed gas well employing controllable shock waves in combination with surge water injection pressurization |
| CN210196620U (en) * | 2019-06-14 | 2020-03-27 | 山西丛鑫液压科技集团有限公司 | Automatic slag and water discharging device for coal mine gas extraction pipeline |
| CN210239625U (en) * | 2019-04-19 | 2020-04-03 | 杨志强 | Drilling centralized continuous pumping box capable of removing dust |
| CN210686047U (en) * | 2019-10-29 | 2020-06-05 | 杨德智 | Coal mine underground gas extraction device |
| CN214366178U (en) * | 2021-01-27 | 2021-10-08 | 贵州豫能投资有限公司黔西分公司 | Coal mine gas is taken out and is adopted with preventing moving back even device of taking out of drilling gas transfinite |
| CN215632881U (en) * | 2021-08-31 | 2022-01-25 | 山西省中阳荣欣焦化有限公司 | Gas pressure reduction blowout prevention pre-control system |
| CN218716662U (en) * | 2022-09-16 | 2023-03-24 | 山东华商金沅智能设备有限公司 | Coal seam drilling bag buffering type blowout preventer |
| US20230175339A1 (en) * | 2020-04-27 | 2023-06-08 | Sichuan University | Internal blowout-prevention gas-retaining connector for mine |
| CN116291689A (en) * | 2023-03-22 | 2023-06-23 | 中煤科工集团重庆研究院有限公司 | Self-adaptive multistage buffering anti-spraying hole device for gas extraction drilling spraying holes |
| CN116378587A (en) * | 2023-04-19 | 2023-07-04 | 山西天地王坡煤业有限公司 | Orifice blowout prevention system for hydraulic directional drilling of crushed soft coal layer and construction method |
| CN116378746A (en) * | 2023-03-02 | 2023-07-04 | 中煤能源研究院有限责任公司 | Jet hole preventing system for extraction drilling of protruding coal seam |
-
2023
- 2023-07-13 CN CN202310859753.7A patent/CN116696272B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040197207A1 (en) * | 2002-08-14 | 2004-10-07 | Youn Chi Wook | Sealing structure of pump |
| CA2472903A1 (en) * | 2004-07-05 | 2006-01-05 | Varco I/P, Inc. | Convertible snubber |
| CN2825947Y (en) * | 2004-11-30 | 2006-10-11 | 淮北矿业集团煤业有限责任公司芦岭煤矿 | Blowout preventer for drill of protrusive coal seam |
| CN102061933A (en) * | 2010-12-13 | 2011-05-18 | 山西晋城无烟煤矿业集团有限责任公司 | Long drilling positioning construction process |
| CN207245678U (en) * | 2017-05-05 | 2018-04-17 | 淮北矿业（集团）有限责任公司 | A kind of layer-through drilling blowout prevention extraction system |
| WO2019075885A1 (en) * | 2017-10-18 | 2019-04-25 | 西安交通大学 | Method of reforming coal-bed gas well employing controllable shock waves in combination with surge water injection pressurization |
| CN109209282A (en) * | 2018-11-07 | 2019-01-15 | 孔维 | Easy-to-use type drilling construction blowout hookup |
| CN210239625U (en) * | 2019-04-19 | 2020-04-03 | 杨志强 | Drilling centralized continuous pumping box capable of removing dust |
| CN210196620U (en) * | 2019-06-14 | 2020-03-27 | 山西丛鑫液压科技集团有限公司 | Automatic slag and water discharging device for coal mine gas extraction pipeline |
| CN210686047U (en) * | 2019-10-29 | 2020-06-05 | 杨德智 | Coal mine underground gas extraction device |
| US20230175339A1 (en) * | 2020-04-27 | 2023-06-08 | Sichuan University | Internal blowout-prevention gas-retaining connector for mine |
| CN214366178U (en) * | 2021-01-27 | 2021-10-08 | 贵州豫能投资有限公司黔西分公司 | Coal mine gas is taken out and is adopted with preventing moving back even device of taking out of drilling gas transfinite |
| CN215632881U (en) * | 2021-08-31 | 2022-01-25 | 山西省中阳荣欣焦化有限公司 | Gas pressure reduction blowout prevention pre-control system |
| CN218716662U (en) * | 2022-09-16 | 2023-03-24 | 山东华商金沅智能设备有限公司 | Coal seam drilling bag buffering type blowout preventer |
| CN116378746A (en) * | 2023-03-02 | 2023-07-04 | 中煤能源研究院有限责任公司 | Jet hole preventing system for extraction drilling of protruding coal seam |
| CN116291689A (en) * | 2023-03-22 | 2023-06-23 | 中煤科工集团重庆研究院有限公司 | Self-adaptive multistage buffering anti-spraying hole device for gas extraction drilling spraying holes |
| CN116378587A (en) * | 2023-04-19 | 2023-07-04 | 山西天地王坡煤业有限公司 | Orifice blowout prevention system for hydraulic directional drilling of crushed soft coal layer and construction method |
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