CN219953297U - Blowout preventer for coal mine gas extraction drilling construction process - Google Patents
Blowout preventer for coal mine gas extraction drilling construction process Download PDFInfo
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- CN219953297U CN219953297U CN202321584522.1U CN202321584522U CN219953297U CN 219953297 U CN219953297 U CN 219953297U CN 202321584522 U CN202321584522 U CN 202321584522U CN 219953297 U CN219953297 U CN 219953297U
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- China
- Prior art keywords
- pipe
- butt joint
- receiving box
- pipeline
- blowout preventer
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- 238000000605 extraction Methods 0.000 title claims abstract description 33
- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model provides a blowout preventer for a coal mine gas extraction drilling construction process, which comprises a receiving box, wherein a butt joint pipe is arranged on one side of the receiving box, a first flange plate is fixedly arranged at the end part of the butt joint pipe, a butt joint port is arranged at the other end of the receiving box, a communicating pipe is arranged at the top end of the receiving box, a storage box is arranged at the end part of the communicating pipe, and an electric control valve is arranged on the front end surface of the communicating pipe; according to the utility model, the air inlet end is blocked on the drill hole when the extraction pipe stretches into the drill hole through butt joint of the air inlet end and the extraction pipe, then the protruding end at the outer side of the air inlet end seals the hole where the drill hole flows down, so that the occurrence of gas eruption is reduced, and then the monitoring assembly is used, so that the monitoring assembly is used for workers to know the flow of gas extraction, and then the receiving box and the receiving box are used, so that the gas is received in the receiving box and the receiving box when the flow is overlarge, and the occurrence of leakage caused by overlarge flow is avoided.
Description
Technical Field
The utility model belongs to the technical field of coal mining, and particularly relates to a blowout preventer for a coal mine gas extraction drilling construction process.
Background
Along with the increase of mine exploitation depth, the gas quantity under the mine is also updated, and the hazard of mine gas is also increased along with the increase of mine depth, so that the safety of coal mine exploitation is seriously influenced, and in order to ensure the efficient and safe exploitation of coal seams, the occurrence of gas disaster accidents is avoided, and the gas of the coal seams in the mine needs to be extracted by using drilling holes.
At present, when mine exploitation needs to use a drainage pipe to extract gas in a drill hole, negative pressure is drained by using drainage equipment to drain the gas, but when the drainage pipe extends to the drill hole to the inside, gaps are formed between holes and the drainage pipe, a large amount of gas is sprayed out along the gaps, and energy waste is caused, so that the blowout preventer for the gas drainage drill hole construction process of the coal mine is designed.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a blowout preventer for a gas extraction drilling construction process of a coal mine, which aims to solve the problems that in the prior art, a suction pipe is needed to extract gas in the drilling during mining of the coal mine, negative pressure is extracted by using a suction device to carry out open suction, but when the suction pipe extends into the drilling, gaps are generated between holes and the suction pipe, a large amount of gas is sprayed out along the gaps, and energy is wasted.
The utility model provides a gas drainage drilling work progress blowout preventer of colliery, includes the receiving box, the butt joint pipe is installed to one side of receiving box, the tip fixed mounting of butt joint pipe has first ring flange, the butt joint mouth is installed to the other end of receiving box, communicating pipe is installed on the top of receiving box, the containing box is installed to the tip of communicating pipe, the front end surface mounting of communicating pipe has the automatically controlled valve, the tip grafting of butt joint pipe has the pipeline, the tip of pipeline is installed the inlet end, the screw thread has been seted up on the surface of pipeline, the surface connection of pipeline has the second ring flange, the recess has been seted up to the inside of butt joint pipe, the end connection of pipeline has the lug, be connected with the screw between second ring flange and the first ring flange.
Preferably, the first flange at the end of the butt joint pipe is fixedly connected with the second flange on the surface of the pipeline through screws.
Preferably, the second flange plate is in threaded connection with the pipeline through threads.
Preferably, the pipeline forms a limiting plug structure between the convex blocks and the grooves inside the butt joint pipe.
Preferably, the top surfaces of the receiving box and the air inlet end are connected with an extraction pipe, and a monitoring assembly is arranged at the top end of the extraction pipe.
Preferably, the monitoring assembly comprises a metering tube and a display screen, wherein the metering tube is arranged on the surface of the extraction tube, and the display screen is connected to the top end of the metering tube.
Preferably, a third flange plate is connected between the monitoring assembly and the extraction pipe, and the monitoring assembly is fixedly connected with the extraction pipe through the third flange plate.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the air inlet end is blocked on the drill hole when the extraction pipe stretches into the drill hole through butt joint of the air inlet end and the extraction pipe, then the protruding end at the outer side of the air inlet end seals the hole where the drill hole flows down, so that the occurrence of gas eruption is reduced, and then the monitoring assembly is used, so that the monitoring assembly is used for workers to know the flow of gas extraction, and then the receiving box and the receiving box are used, so that the gas is received in the receiving box and the receiving box when the flow is overlarge, and the occurrence of leakage caused by overlarge flow is avoided.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic front cross-sectional view of the body of the present utility model;
FIG. 3 is a schematic diagram of the front view of the main body of the present utility model;
fig. 4 is a schematic view of the truncated cross-sectional structure of fig. 2 according to the present utility model.
In the figure: 1. a receiving box; 2. a butt joint pipe; 3. a first flange; 4. an interface; 5. a communicating pipe; 6. a storage box; 7. an electric control valve; 8. a pipe; 9. an air inlet end; 10. a thread; 11. a second flange; 12. a groove; 13. a bump; 14. a screw; 15. an extraction tube; 16. metering tube; 17. a display screen; 18. and a third flange.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-4, the utility model provides a blowout preventer for a coal mine gas extraction drilling construction process, which comprises a receiving box 1, wherein a butt joint pipe 2 is installed on one side of the receiving box 1, a first flange plate 3 is fixedly installed at the end part of the butt joint pipe 2, a butt joint port 4 is installed at the other end of the receiving box 1, a communicating pipe 5 is installed at the top end of the receiving box 1, a containing box 6 is installed at the end part of the communicating pipe 5, an electric control valve 7 is installed on the front end surface of the communicating pipe 5, a pipeline 8 is inserted into the end part of the butt joint pipe 2, an air inlet end 9 is installed at the end part of the pipeline 8, threads 10 are formed on the surface of the pipeline 8, a second flange plate 11 is connected to the surface of the pipeline 8, a groove 12 is formed in the butt joint pipe 2, a bump 13 is connected to the end part of the pipeline 8, and a screw 14 is connected between the second flange plate 11 and the first flange plate 3.
Referring to fig. 1-4, the first flange 3 at the end of the butt joint pipe 2 and the second flange 11 on the surface of the pipe 8 are fixedly connected through the screw 14, and the first flange 3 at the end of the butt joint pipe 2 and the second flange 11 on the surface of the pipe 8 are fixedly connected through the screw 14, so that the stability of the installation of the pipe 8 and the butt joint pipe 2 is improved.
Referring to fig. 1-4, the second flange 11 is connected with the pipe 8 through the thread 10, and the second flange 11 is connected with the pipe 8 through the thread 10, so that the second flange 11 can move along the thread 10 on the surface of the pipe 8, and further is conveniently fixed in butt joint with the first flange 3, thereby avoiding the occurrence of the moving condition of the pipe 8.
Referring to fig. 1-4, the pipe 8 forms a limiting plug structure with the groove 12 inside the butt joint pipe 2 through the bump 13, and forms a limiting plug structure with the groove 12 inside the butt joint pipe 2 through the pipe 8 and the bump 13, so that the pipe 8 is movable and has fixity, and the butt joint installation of the second flange 11 and the first flange 3 is prevented from being influenced by rotation.
Referring to fig. 1 to 4, the top surfaces of the receiving box 1 and the air inlet end 9 are connected with an extraction pipe 15, and a monitoring assembly is mounted on the top end of the extraction pipe 15.
Referring to fig. 1-4, the monitoring assembly includes a metering tube 16 and a display screen 17, the metering tube 16 is installed on the surface of the extraction tube 15, the display screen 17 is connected to the top end of the metering tube 16, and the monitoring assembly is used for monitoring the flow of gas, so that the leakage caused by overlarge flow is avoided.
Referring to fig. 1-4, a third flange 18 is connected between the monitoring assembly and the extracting tube 15, the monitoring assembly is fixedly connected between the third flange 18 and the extracting tube 15, and the monitoring assembly can be detached by detaching the third flange 18 through the fixed connection between the monitoring assembly and the third flange 18 and the extracting tube 15, so that the monitoring assembly is convenient to detach and replace when damaged.
The specific working principle is as follows: as shown in fig. 1-4, when using the blowout preventer of the gas drainage drilling construction process of this colliery, firstly, when the colliery exploitation needs to be to inside gas extraction, install blowout preventer on the drainage pipe this moment, then wait to the drilling construction and accomplish the back outside pulling pipeline 8, this moment pipeline 8 drives air inlet end 9 and is close to the hole that drilling construction left, and in pipeline 8 pulling in-process lug 13 is followed recess 12 and is slipped out, and then pipeline 8 shifts out in the middle of the butt joint pipe 2, then rotatory second ring flange 11 lets second ring flange 11 move along the screw 10 on pipeline 8 surface and be close to first ring flange 3, then fix through screw 14, and then improve pipeline 8 and the fixed stability of pegging graft of butt joint pipe 2, and then intake end 9 shelters from on the hole, then the clearance between sealed and the drainage pipe in the middle of extension in the outside of intake end 9, and then prevent gas from the clearance blowout between hole and the drainage pipe, then let the inside gas of drilling follow the drainage pipe carry out the discharge through drainage equipment, and in the middle of drainage pipe in the middle of the gas flow, and in the time of the drainage equipment let second ring flange 11 move along the screw thread 10 on the surface of pipe 3, then, the screw 1 is fixed through screw 14, then fixed through screw 14, and the jack is fixed, and the stability of the jack is kept down in the hole is taken place by the time when the big, and the face-down valve is taken out to the control box is taken place by the control device, and the control box is opened, and the well when the situation is taken out, and can be in the fact, and the large-down well is well and the situation is well and has been well-down, and the monitor and has been well-down well, and has been taken and has been well-down well.
The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.
Claims (7)
1. The utility model provides a gas drainage drilling work progress blowout preventer in colliery, includes receiver box (1), its characterized in that: a butt joint pipe (2) is arranged on one side of the receiving box (1), a first flange plate (3) is fixedly arranged at the end part of the butt joint pipe (2), a butt joint port (4) is arranged at the other end of the receiving box (1), a communicating pipe (5) is arranged at the top end of the receiving box (1), a containing box (6) is arranged at the end part of the communicating pipe (5), and an electric control valve (7) is arranged on the front end surface of the communicating pipe (5);
the end of butt joint pipe (2) is pegged graft and is had pipeline (8), inlet end (9) are installed to the tip of pipeline (8), screw thread (10) are seted up on the surface of pipeline (8), the surface connection of pipeline (8) has second ring flange (11), recess (12) are seted up to the inside of butt joint pipe (2), the end connection of pipeline (8) has lug (13), be connected with screw (14) between second ring flange (11) and first ring flange (3).
2. The blowout preventer for gas extraction drilling construction process of coal mine as claimed in claim 1, wherein: the first flange (3) at the end part of the butt joint pipe (2) is fixedly connected with the second flange (11) on the surface of the pipeline (8) through screws (14).
3. The blowout preventer for gas extraction drilling construction process of coal mine as claimed in claim 1, wherein: the second flange plate (11) is in threaded connection with the pipeline (8) through threads (10).
4. The blowout preventer for gas extraction drilling construction process of coal mine as claimed in claim 1, wherein: the pipeline (8) forms a limiting plug-in structure between the convex blocks (13) and the grooves (12) in the butt joint pipe (2).
5. The blowout preventer for gas extraction drilling construction process of coal mine as claimed in claim 1, wherein: the top end surfaces of the receiving box (1) and the air inlet end (9) are connected with an extraction pipe (15), and a monitoring assembly is installed at the top end of the extraction pipe (15).
6. The blowout preventer for gas extraction drilling construction process of coal mine as claimed in claim 5, wherein: the monitoring assembly comprises a metering tube (16) and a display screen (17), the metering tube (16) is arranged on the surface of the extraction tube (15), and the display screen (17) is connected to the top end of the metering tube (16).
7. The blowout preventer for gas extraction drilling construction process of coal mine as claimed in claim 5, wherein: a third flange plate (18) is connected between the monitoring assembly and the extraction pipe (15), and the monitoring assembly is fixedly connected with the extraction pipe (15) through the third flange plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321584522.1U CN219953297U (en) | 2023-06-21 | 2023-06-21 | Blowout preventer for coal mine gas extraction drilling construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321584522.1U CN219953297U (en) | 2023-06-21 | 2023-06-21 | Blowout preventer for coal mine gas extraction drilling construction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953297U true CN219953297U (en) | 2023-11-03 |
Family
ID=88537438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321584522.1U Active CN219953297U (en) | 2023-06-21 | 2023-06-21 | Blowout preventer for coal mine gas extraction drilling construction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953297U (en) |
-
2023
- 2023-06-21 CN CN202321584522.1U patent/CN219953297U/en active Active
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