CN220869374U - High-pressure circulating grouting hole sealing device for gas extraction drilling - Google Patents
High-pressure circulating grouting hole sealing device for gas extraction drilling Download PDFInfo
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- CN220869374U CN220869374U CN202322878299.8U CN202322878299U CN220869374U CN 220869374 U CN220869374 U CN 220869374U CN 202322878299 U CN202322878299 U CN 202322878299U CN 220869374 U CN220869374 U CN 220869374U
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- sealing plate
- gas extraction
- sealing
- pipeline
- hole sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 97
- 238000000605 extraction Methods 0.000 title claims abstract description 30
- 238000005553 drilling Methods 0.000 title claims abstract description 19
- 239000002002 slurry Substances 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 4
- 238000007569 slipcasting Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of grouting hole sealing, and particularly relates to a high-pressure circulating grouting hole sealing device for a gas extraction drill hole. The utility model provides a gas drainage drilling high pressure circulation slip casting hole sealing device, includes integration pipeline, adapter sleeve, slush pump, gas drainage pipeline, high-pressure gas filling bottle, closing plate one and closing plate two, the adapter sleeve sets up in one side of integration pipeline, closing plate one sets up between integration pipeline and adapter sleeve, closing plate one passes through threaded connection with the integration pipeline, two slidable mounting of closing plate are in the adapter sleeve. The high-pressure circulating grouting hole sealing device for the gas extraction drilling hole is simple to operate, and the hole sealing work is carried out by adding the pipeline connection, so that the cost is low, the tightness is improved, the disassembly and the replacement are convenient, and the advantage of convenience is provided for later maintenance.
Description
Technical Field
The utility model belongs to the technical field of grouting hole sealing, and particularly relates to a high-pressure circulating grouting hole sealing device for a gas extraction drill hole.
Background
The gas extraction is an important measure for controlling underground gas disasters of the coal mine, can improve the utilization rate of the gas, reduce the emission of greenhouse gases, achieve the purposes of energy conservation and emission reduction, and the hole sealing is an important technology in gas drilling of the coal mine extraction, and the hole sealing effect of the gas extraction drilling directly influences the effect and efficiency of the gas extraction, so that the gas extraction method is particularly important for safety control of the coal mine. The current common hole sealing processes comprise a cement mortar hole sealing method, a wood wedge Huang Nifeng hole sealing method, a polyurethane foam hole sealing method and a two-plug one-injection hole sealing method. The cement hole sealing method and the wood wedge yellow mud hole sealing method have lower cost, the materials are easy to obtain, but the hole sealing effect is poor; the polyurethane foam hole sealing method is mainly characterized by small material consumption, convenient carrying, quick hole sealing operation, labor saving, high price and increased hole sealing cost.
Therefore, it is necessary to provide a new high-pressure circulation grouting hole sealing device for gas extraction drilling to solve the above technical problems.
Disclosure of utility model
The utility model solves the technical problem of providing the high-pressure circulating grouting hole sealing device for the gas extraction drilling, which is simple to operate, and can be used for sealing holes by adding pipeline connection, so that the cost is low, the sealing performance is improved, the disassembly, assembly and replacement are convenient, and convenience is provided for later maintenance.
In order to solve the technical problems, the technical scheme of the high-pressure circulating grouting hole sealing device for the gas extraction drilling hole provided by the utility model is as follows:
The high-pressure circulating grouting hole sealing device for the gas extraction drilling comprises an integrated pipeline, a connecting sleeve, a slurry pump, a gas extraction pipeline, a high-pressure gas filling cylinder, a first sealing plate and a second sealing plate, wherein the connecting sleeve is arranged on one side of the integrated pipeline, the first sealing plate is arranged between the integrated pipeline and the connecting sleeve, the first sealing plate is connected with the integrated pipeline through threads, and the second sealing plate is slidably arranged in the connecting sleeve;
And one end of the first connecting pipe far away from the first sealing plate extends into the connecting sleeve.
As a further scheme of the utility model, the second connecting pipes are respectively and slidably provided with the second three connecting pipes, one ends of the second three connecting pipes extend into the connecting sleeve, one ends of the second three connecting pipes close to the first three connecting pipes are in sealing connection through the first three connecting flanges, valves are respectively arranged on the first three connecting pipes, and the valves are respectively positioned on one sides of the first three connecting flanges.
As a further scheme of the utility model, the slurry pump, the gas extraction pipeline and the high-pressure gas filling cylinder are connected with the third connecting pipe, one ends of the third connecting pipes far away from the second sealing plate are respectively connected with the third telescopic hoses through the third connecting flanges, and one ends of the third telescopic hoses far away from the third connecting pipes are respectively connected with one ends of the third connecting pipes through the third connecting flanges.
As a further scheme of the utility model, a sealing ring I is arranged between the sealing plate I and the connecting sleeve, a plurality of mounting blocks I are fixedly arranged on the sealing plate I, a plurality of mounting blocks II are fixedly arranged on the connecting sleeve, and the mounting blocks I and the mounting blocks II are fixedly connected through fixing bolts I.
As a further scheme of the utility model, three sliding holes are formed in the second sealing plate, and three sealing rings are respectively arranged in the three sliding holes and are respectively matched with the two connecting pipes.
As a further scheme of the utility model, a second sealing ring is arranged between the outer wall of the second sealing plate and the inner wall of the connecting sleeve, and the second sealing plate and the connecting sleeve are fixedly connected through a plurality of second fixing bolts.
Compared with the related art, the high-pressure circulating grouting hole sealing device for the gas extraction drilling hole has the following beneficial effects:
the utility model has simple operation, and the hole sealing work is carried out by adding the pipeline connection, so that the cost is low, the tightness is improved, the disassembly, assembly and replacement are convenient, and the convenience is provided for the later maintenance.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
Fig. 3 is an enlarged schematic view of the portion B in fig. 1.
In the figure: 1. an integrated pipe; 2. a connecting sleeve; 3. a slurry pump; 4. a gas extraction pipeline; 5. a high-pressure gas filling cylinder; 6. a first sealing plate; 7. a second sealing plate; 8. a first connecting pipe; 9. a second connecting pipe; 10. a first connecting flange; 11. a valve; 12. a third connecting pipe; 13. a flexible hose; 14. a second connecting flange; 15. a third connecting flange; 16. a first sealing ring; 17. a first mounting block; 18. a second mounting block; 19. a first fixing bolt; 20. a second sealing ring; 21. and fixing a second bolt.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Examples
Referring to fig. 1, 2 and 3 in combination, the high-pressure circulating grouting hole sealing device for the gas extraction drilling comprises an integrated pipeline 1, a connecting sleeve 2, a slurry pump 3, a gas extraction pipeline 4, a high-pressure gas filling cylinder 5, a first sealing plate 6 and a second sealing plate 7, wherein the connecting sleeve 2 is arranged on one side of the integrated pipeline 1, the first sealing plate 6 is arranged between the integrated pipeline 1 and the connecting sleeve 2, the first sealing plate 6 is connected with the integrated pipeline 1 through threads, and the second sealing plate 7 is slidably arranged in the connecting sleeve 2;
And three connecting pipes I8 are fixedly arranged on the sealing plate I6, one ends of the three connecting pipes I8 extend into the integrated pipeline 1, and one ends of the three connecting pipes I8, which are far away from the sealing plate I6, extend into the connecting sleeve 2.
The connecting pipe II 9 is provided with three connecting pipes II 9 in a sliding mode, one ends of the three connecting pipes II 9 extend into the connecting sleeve 2, one ends of the three connecting pipes II 9, which are close to the three connecting pipes I8, are in sealing connection through the three connecting flanges I10, the three connecting pipes I8 are provided with valves 11, and the three valves 11 are respectively located on one sides of the three connecting flanges I10.
The mud pump 3, the gas extraction pipeline 4 and the high-pressure gas filling cylinder 5 are all connected with a third connecting pipe 12, one ends of the third connecting pipes 9, which are far away from the second sealing plate 7, are respectively connected with three telescopic hoses 13 through three second connecting flanges 14, and one ends of the three telescopic hoses 13, which are far away from the third connecting pipes 9, are respectively connected with one ends of the third connecting pipes 12 through three third connecting flanges 15.
A first sealing ring 16 is arranged between the first sealing plate 6 and the connecting sleeve 2, a plurality of first mounting blocks 17 are fixedly mounted on the first sealing plate 6, a plurality of second mounting blocks 18 are fixedly mounted on the connecting sleeve 2, and the first mounting blocks 17 and the second mounting blocks 18 are fixedly connected through first fixing bolts 19.
Three sliding holes are formed in the second sealing plate 7, and sealing rings III are arranged in the three sliding holes and are respectively matched with the second connecting pipes 9.
A second sealing ring 20 is arranged between the outer wall of the second sealing plate 7 and the inner wall of the connecting sleeve 2, and the second sealing plate 7 and the connecting sleeve 2 are fixedly connected through a plurality of second fixing bolts 21.
The utility model provides a high-pressure circulating grouting hole sealing device for gas extraction drilling, which has the following working principle:
A first step of: when the sealing device is used, the sealing performance of the connection between the pipelines can be improved by adopting the sealing plate I6, the connecting flange I10, the valve 11, the connecting flange II 14 and the connecting flange III 15, so that leakage of the connection between the pipelines can be avoided, and the hole sealing effect can be achieved;
And a second step of: the high-pressure gas filling cylinder 5, the connecting pipe III 12, the telescopic hose 13, the connecting flange II 14, the connecting pipe II 9, the connecting flange I10 and the connecting pipe I8 are matched, so that pressure can be provided, the slurry pumping work can be performed under the matched action of the slurry pump 3, the connecting pipe III 12, the telescopic hose 13, the connecting flange II 14, the connecting pipe II 9, the connecting flange I10 and the connecting pipe I8, and the gas pumping work can be performed under the matched action of the gas pumping pipeline 4, the connecting pipe III 12, the telescopic hose 13, the connecting flange II 14, the connecting pipe II 9, the connecting flange I10 and the connecting pipe I8;
And a third step of: the first fixing bolts 19 on the first removable mounting block 17 and the second removable mounting block 18 are rotated, the second fixing bolts 21 on the connecting sleeve 2 are rotated, then the connecting sleeve 2 and the first sealing plate 6 are separated, the connecting sleeve 2 is removed, the first sealing plate 6 is separated from the integrated pipeline 1 by rotation, and the connection among the first connecting pipe 8, the second connecting pipe 9, the telescopic hose 13 and the third connecting pipe 12 is flange-connected, so that the connecting pipe can be disassembled and replaced conveniently.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used merely for descriptive purposes and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be 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 to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (6)
1. The high-pressure circulating grouting hole sealing device for the gas extraction drilling hole is characterized by comprising an integrated pipeline, a connecting sleeve, a slurry pump, a gas extraction pipeline, a high-pressure gas filling cylinder, a first sealing plate and a second sealing plate, wherein the connecting sleeve is arranged on one side of the integrated pipeline, the first sealing plate is arranged between the integrated pipeline and the connecting sleeve, the first sealing plate is connected with the integrated pipeline through threads, and the second sealing plate is slidably arranged in the connecting sleeve;
And one end of the first connecting pipe far away from the first sealing plate extends into the connecting sleeve.
2. The high-pressure circulating grouting hole sealing device for the gas extraction drilling hole according to claim 1, wherein the first connecting pipes are slidably provided with the second three connecting pipes, one ends of the second three connecting pipes extend into the connecting sleeve, one ends of the second three connecting pipes close to the first three connecting pipes are in sealing connection through the first three connecting flanges, valves are arranged on the first three connecting pipes, and the valves are respectively located on one sides of the first three connecting flanges.
3. The high-pressure circulating grouting hole sealing device for the gas extraction drilling hole according to claim 1, wherein the slurry pump, the gas extraction pipeline and the high-pressure gas filling cylinder are connected with a third connecting pipe, one ends of the third connecting pipes away from the second sealing plate are respectively connected with three telescopic hoses through three second connecting flanges, and one ends of the three telescopic hoses away from the second connecting pipes are respectively connected with one ends of the third connecting pipes through three third connecting flanges.
4. The high-pressure circulating grouting hole sealing device for the gas extraction drilling hole of claim 1, wherein a sealing ring I is arranged between the sealing plate I and a connecting sleeve, a plurality of mounting blocks I are fixedly mounted on the sealing plate I, a plurality of mounting blocks II are fixedly mounted on the connecting sleeve, and the mounting blocks I and the mounting blocks II are fixedly connected through fixing bolts I.
5. The high-pressure circulating grouting hole sealing device for the gas extraction drilling hole according to claim 1, wherein three sliding holes are formed in the second sealing plate, and three sealing rings are respectively arranged in the three sliding holes and are respectively matched with two of the three connecting pipes.
6. The high-pressure circulating grouting hole sealing device for the gas extraction drilling hole of claim 1, wherein a second sealing ring is arranged between the outer wall of the second sealing plate and the inner wall of the connecting sleeve, and the second sealing plate and the connecting sleeve are fixedly connected through a plurality of second fixing bolts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322878299.8U CN220869374U (en) | 2023-10-26 | 2023-10-26 | High-pressure circulating grouting hole sealing device for gas extraction drilling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322878299.8U CN220869374U (en) | 2023-10-26 | 2023-10-26 | High-pressure circulating grouting hole sealing device for gas extraction drilling |
Publications (1)
Publication Number | Publication Date |
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CN220869374U true CN220869374U (en) | 2024-04-30 |
Family
ID=90808610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322878299.8U Active CN220869374U (en) | 2023-10-26 | 2023-10-26 | High-pressure circulating grouting hole sealing device for gas extraction drilling |
Country Status (1)
Country | Link |
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CN (1) | CN220869374U (en) |
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2023
- 2023-10-26 CN CN202322878299.8U patent/CN220869374U/en active Active
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