CN213450479U - Self-adaptive bag hole sealing device - Google Patents
Self-adaptive bag hole sealing device Download PDFInfo
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- CN213450479U CN213450479U CN202021933069.7U CN202021933069U CN213450479U CN 213450479 U CN213450479 U CN 213450479U CN 202021933069 U CN202021933069 U CN 202021933069U CN 213450479 U CN213450479 U CN 213450479U
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Abstract
The utility model discloses a self-adaptation bag hole sealing device belongs to coal seam gas and takes out technical field. The utility model provides a long-time gas leakage of current bag hole sealing, the not tight scheduling problem of shutoff. The quick self-adaptive bag hole sealing device comprises a front hole sealing device and a rear hole sealing device in 2 sections, wherein the front hole sealing device comprises an extraction pipe, a self-adaptive bag, a quick threaded interface bag fastener, a bag fastener and a front bag grouting pipeline, and the rear hole sealing device comprises an extraction pipe, a self-adaptive bag, a quick threaded interface, a bag fastener, a self-adaptive bag grouting pipeline, a middle section grouting pipeline and a grout return pipeline. The utility model discloses quick self-adaptation bag hole sealing device stability is high, the hole sealing is effectual, the rate of recovery is high, easy operation.
Description
Technical Field
The utility model belongs to the technical field of coal seam gas takes out and adopts, concretely relates to self-adaptation bag hole sealing device.
Background
The gas disaster is one of five disasters of coal mine production, pre-pumping is often required for controlling the gas disaster, and the hole sealing effect of a drilled hole directly influences the gas extraction efficiency, so that the improvement of the hole sealing quality of the drilled hole in the gas extraction process has important significance for improving the gas extraction effect.
The existing hole sealing equipment adopted in China generally has the defects of complex hole sealing process, uncontrollable hole sealing quality, difficult later maintenance and the like, and secondary hole sealing is needed after hole sealing fails due to hole wall collapse after hole sealing, so that the operation is complex and the hole sealing cost is high. Consequently in order to improve the hole sealing effect when coal seam gas is taken out and adopt, reduce the hole sealing cost to reduce the manual work volume, need set up one set of quick self-adaptation hole sealing device urgently, the device has stability height, hole sealing is effectual, with low costs, the hole collapse after last characteristics such as self-adaptation hole sealing, hole sealing effect when improving gas and adopt.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that exists on the prior art, provide a self-adaptation bag hole sealing device, its hole sealing when being particularly suitable for present gas drainage, the device can automatic inflation adaptation drilling space after the hole that collapses, automatic shutoff new crack. The technical problem that this quick self-adaptation bag hole sealing device mainly solved realizes lasting hole sealing to automatic, has that stability height has stability height, hole sealing is effectual, with low costs, the hole collapse back characteristics such as lasting self-adaptation hole sealing, hole sealing effect when improving gas drainage.
In order to achieve the above purpose, the utility model adopts the following scheme:
a self-adaptive bag hole sealing device comprises a front hole sealing device and a rear hole sealing device; wherein the content of the first and second substances,
the front hole sealing device comprises a first extraction pipe, a first self-adaptive bag, a first quick threaded interface, a first bag fastener and a front bag grouting pipeline; the post hole sealing device comprises a second extraction pipe, a second self-adaptive bag, a second quick threaded interface, a second bag fastener, a self-adaptive bag grouting pipeline, a middle section grouting pipeline and a slurry return pipeline;
when the self-adaptive bag type grouting pipeline is in use, the first self-adaptive bag is sleeved on the first extraction pipe, two ends of the first self-adaptive bag are fastened through a first bag fastener respectively, a first quick threaded connector is arranged at one end of the first extraction pipe, and an outlet of the preposed bag type grouting pipeline penetrates through an opening of the first extraction pipe and is communicated between the first extraction pipe and the first self-adaptive bag;
the second self-adaptive bag is sleeved on the second extraction pipe, two ends of the second self-adaptive bag are fastened through a second bag fastener respectively, a second quick threaded connector is arranged at one end of the second extraction pipe, the self-adaptive bag grouting pipeline, the middle section grouting pipeline and the grout return pipeline penetrate through the second extraction pipe, one ends of the middle section grouting pipeline and the grout return pipeline extend into the middle section, two outlets of the self-adaptive bag grouting pipeline are formed, the first outlet is communicated between the second extraction pipe and the second self-adaptive bag, and the second outlet is communicated with the inlet of the front bag grouting pipeline;
the front hole sealing device and the rear hole sealing device are quickly connected with the second quick threaded interface and the extraction pipeline through the first quick threaded interface, and the length of the middle section can be freely connected.
The utility model has the further improvement that the preposed bag grouting pipeline comprises a first bag grouting extension pipe, a preposed bag grouting pipe, a first sealing interface and a first bidirectional quick joint; the first bag grouting extension pipe is located outside the first extraction pipe, the preposed bag grouting pipe is located inside the first extraction pipe, an inlet of the preposed bag grouting pipe is communicated to the first bag grouting extension pipe through a first bidirectional quick connector, and an outlet of the preposed bag grouting pipe is communicated between the first extraction pipe and the first self-adaptive bag through a first sealing interface.
The utility model has the further improvement that the self-adaptive bag grouting pipeline comprises a second bag grouting extension pipe, a post bag grouting pipe, a third bag grouting extension pipe, a second bidirectional quick joint, a third bidirectional quick joint and a second sealing interface;
the second bag grouting extension pipe and the third bag grouting extension pipe are located outside the second extraction pipe, the rear bag grouting pipe is located inside the second extraction pipe, an inlet of the rear bag grouting pipe is communicated to the second bag grouting extension pipe through a second bidirectional quick connector, a first outlet of the rear bag grouting pipe is communicated to a position between the second extraction pipe and the second self-adaptive bag through a third bidirectional quick connector, a second outlet is communicated to the third bag grouting extension pipe through a second sealing interface, and an outlet of the third bag grouting extension pipe is communicated to an inlet of the front bag grouting pipeline.
The utility model discloses further improvement lies in, self-adaptation bag slip casting pipeline is still including setting up the bag slip casting pipe valve door on second bag slip casting extension pipe.
The utility model is further improved in that the middle section grouting pipeline comprises a first middle section grouting extension pipe, a middle section grouting pipeline, a second middle section grouting extension pipe, a fourth bidirectional quick joint and a fifth bidirectional quick joint;
the first middle section grouting extension pipe and the second middle section grouting extension pipe are located outside the second extraction pipe, the middle section grouting pipe is located inside the second extraction pipe, an inlet of the middle section grouting pipe is communicated to the first middle section grouting extension pipe through a fourth bidirectional quick coupling, and an outlet of the middle section grouting pipe is communicated to the second middle section grouting extension pipe through a fifth bidirectional quick coupling.
The utility model discloses a further improvement lies in, interlude slip casting pipeline is still including setting up the interlude slip casting valve on first interlude slip casting extension pipe.
The utility model has the further improvement that the slurry return pipeline comprises a first slurry return extension pipe, a slurry return pipe, a second slurry return extension pipe, a sixth bidirectional quick coupling and a seventh bidirectional quick coupling;
the first slurry return extension pipe and the second slurry return extension pipe are located outside the second extraction pipe, the slurry return pipe is located inside the second extraction pipe, an inlet of the slurry return pipe is communicated to the first slurry return extension pipe through a sixth bidirectional quick coupling, and an outlet of the slurry return pipe is communicated to the second slurry return extension pipe through a seventh bidirectional quick coupling.
The utility model discloses a further improvement lies in, and the thick liquid pipeline still includes the airtight valve that sets up on first thick liquid extension pipe of returning.
Compared with the prior art, the utility model discloses a high pressure adsorption tank automatic control device has following advantage: the utility model injects non-solidified slurry into the bag through the bag grouting pipe and realizes real-time slurry supplementing and pressure maintaining through the opening and closing of the valve; injecting non-solidified slurry into the middle section through a middle section grouting pipeline, and supplementing the slurry in real time through a valve; observing whether the middle section slurry is filled through a liquid return pipe; the hole sealing quality of the whole hole sealing device is improved, secondary slurry supplement can be realized by opening and closing the valve, and the cost is reduced.
Drawings
FIG. 1 is a schematic view of a hole sealing device;
FIG. 2 is a schematic view of a preposed hole sealing device;
FIG. 3 is a schematic view of a post-sealing device.
Description of reference numerals:
1: leading hole sealing device 2: post hole sealing device 1-1: first extraction pipe
1-2: first adaptive pouch 1-3: first quick threaded interface 1-4: first capsular bag fastener
1-5: front bag grouting pipeline 1-5 a: first bladder grouting extension pipe 1-5 b: front bag grouting pipe
1-5 c: first seal interface 1-5 d: the first bidirectional quick connector 2-1: second extraction pipe
2-2: second adaptive pouch 2-3: second quick threaded interface 2-4: second capsular bag fastener
2-5: 2-6 of self-adaptive bag grouting pipeline: middle section grouting pipeline 2-7: slurry return pipeline
2-5 a: second bag grouting extension pipe 2-5 b: post-positioned bag grouting pipes 2-5 c: third bag slip casting extension pipe
2-5 d: second bidirectional quick coupling 2-5 e: second sealing interface 2-5 f: third bidirectional quick coupling
2-5 g: bag grouting pipe valve 2-6 a: first middle section grouting extension pipe 2-6 b: middle section grouting pipe
2-6 c: second middle section slip casting extension pipe 2-6 d: fourth bidirectional quick coupling 2-6 e: fifth bidirectional quick coupling
2-6 f: middle section grouting valve 2-7 a: first slurry return extension pipe 2-7 b: slurry return pipe
2-7 c: 2-7d of a second slurry return extension pipe: sixth bidirectional quick coupling 2-7 e: seventh bidirectional quick coupling
2-7 f: closed valve
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the utility model provides a self-adaptation bag sealing device, including leading sealing device 1 and rearmounted sealing device 2. The front hole sealing device 1 comprises a first extraction pipe 1-1, a first self-adaptive bag 1-2, a first quick threaded connector 1-3, a first bag fastener 1-4 and a front bag grouting pipeline 1-5. The front bag grouting pipeline 1-5 comprises a first bag grouting extension pipe 1-5a, a front bag grouting pipe 1-5b, a first sealing interface 1-5c and a first bidirectional quick connector 1-5 d. The post hole sealing device 2 comprises a second extraction pipe 2-1, a second self-adaptive bag 2-2, a second quick threaded connector 2-3, a second bag fastener 2-4, a self-adaptive bag grouting pipeline 2-5, a middle section grouting pipeline 2-6 and a slurry return pipeline 2-7; the self-adaptive bag grouting pipeline 2-5 comprises a second bag grouting extension pipe 2-5a, a post bag grouting pipe 2-5b, a third bag grouting extension pipe 2-5c, a second bidirectional quick connector 2-5d, a third bidirectional quick connector 2-5f, a second sealing interface 2-5e and a bag grouting pipe valve 2-5 g; the middle section grouting pipeline 2-6 comprises a first middle section grouting extension pipe 2-6a, a middle section grouting pipe 2-6b, a second middle section grouting extension pipe 2-6c, a fourth bidirectional quick joint 2-6d, a fifth bidirectional quick joint 2-6e and a middle section grouting valve 2-6 f; the slurry return pipe 2-7 comprises a first slurry return extension pipe 2-7a, a slurry return pipe 2-7b, a second slurry return extension pipe 2-7c, a sixth bidirectional quick connector 2-7d, a seventh bidirectional quick connector 2-7e and a sealing valve 2-7 f.
As shown in fig. 1 and 2, the first and second adaptive bladders 1-2 and 2-2 have a sealing property, a pressure-bearing property, and an elastic property, and can maintain pressure, and have a large friction coefficient on the outer surface of the bladder. The first self-adaptive bag 1-2 and the second self-adaptive bag 2-2 in the front hole sealing device 1 and the rear hole sealing device 2 are wrapped outside the extraction pipe, and the front end and the rear end of the extraction pipe are respectively bound by a first bag fastener 1-4 and a second bag fastener 2-4, so that falling and moving are prevented. The pipe walls of a first extraction pipe 1-1 and a second extraction pipe 2-1 are respectively punched and provided with a sealing interface and a bidirectional quick connector, a rear bag grouting pipe 2-5b is connected with a second bidirectional quick connector 2-5d and a third bidirectional quick connector 2-5f, a three-port is arranged in the middle of the rear bag grouting pipe 2-5b and is connected with a second sealing interface 2-5e, a second bag grouting extension pipe 2-5a is connected with a second bidirectional quick connector 2-5d, a bag grouting pipe valve 2-5g is arranged at the rear end, and grouting opening, closing, liquid discharging and the like are carried out in a bag through the bag grouting pipe valve 2-5 g; the middle section grouting pipe 2-6b is connected with the fourth bidirectional quick connector 2-6d and the fifth bidirectional quick connector 2-6e, the first middle section grouting extension pipe 2-6a is connected with the fourth bidirectional quick connector 2-6d, a middle section grouting valve 2-6f is installed at the rear end, and real-time grouting is performed on the middle section through opening and closing of the middle section grouting valve 2-6 f; the slurry return pipe 2-7b is connected with the sixth bidirectional quick connector 2-7d and the seventh bidirectional quick connector 2-7e, the first slurry return extension pipe 2-7a is connected with the sixth bidirectional quick connector 2-7d, and a sealing valve 2-7f is installed to realize quick sealing.
As shown in fig. 1 and 2, the front hole sealing device 1 is connected with an extraction pipe at the middle section through a first quick threaded connector 1-3, and is connected with the rear hole sealing device 2 through a second quick threaded connector 2-3.
The lengths of the first bag grouting extension pipe 1-5a, the second bag grouting extension pipe 2-5a, the third bag grouting extension pipe 2-5c, the first middle section grouting extension pipe 2-6a, the second middle section grouting extension pipe 2-6c, the first grout returning extension pipe 2-7a and the second grout returning extension pipe 2-7c can be freely customized.
The first embodiment is as follows:
the specific work flow in this embodiment is as follows: the front hole sealing device 1 is connected with an extraction pipe through a first quick threaded connector 1-3, and then is connected with the rear hole sealing device 2 through a second quick threaded connector 2-3. And selecting the length of a second middle section grouting extension pipe 2-6c or a second slurry return extension pipe 2-7c according to the ascending hole or the descending hole, then connecting the first bag grouting extension pipe 1-5a and the third bag grouting extension pipe 2-5c by adopting a quick connector, and grouting through the second bag grouting extension pipe 2-5a after the connection is finished, so that the first self-adaptive bag 1-2 and the second self-adaptive bag 2-2 are expanded to be used as plugs. And then closing the 2-5g of the bag grouting pipe valve, performing grouting plugging on the middle section through the 2-6a first middle section grouting extension pipe, closing the 2-7f of the closed valve after the 2-7a of the first grouting extension pipe starts to return slurry, continuing to perform grouting on the middle section under pressure, closing the 2-6f of the middle section grouting valve when the pressure is high to a certain degree, completing hole sealing, and performing a grouting operation on the self-adaptive bag and the middle section through the 2-5a of the second bag grouting extension pipe and the 2-6a of the first middle section grouting extension pipe if the hole sealing effect is reduced due to crack development subsequently, so as to continuously improve the hole sealing effect.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform that the above embodiment was done the utility model discloses technical scheme's within the scope of protection.
Claims (8)
1. A self-adaptive bag hole sealing device is characterized by comprising a front hole sealing device (1) and a rear hole sealing device (2); wherein the content of the first and second substances,
the preposed hole sealing device (1) comprises a first extraction pipe (1-1), a first self-adaptive bag (1-2), a first quick threaded connector (1-3), a first bag fastener (1-4) and a preposed bag grouting pipeline (1-5); the post hole sealing device (2) comprises a second extraction pipe (2-1), a second self-adaptive bag (2-2), a second quick threaded connector (2-3), a second bag fastener (2-4), a self-adaptive bag grouting pipeline (2-5), a middle section grouting pipeline (2-6) and a slurry return pipeline (2-7);
when the self-adaptive bag grouting pump is in use, a first self-adaptive bag (1-2) is sleeved on a first extraction pipe (1-1), two ends of the first self-adaptive bag (1-2) are fastened through a first bag fastener (1-4), a first quick threaded connector (1-3) is arranged at one end of the first extraction pipe (1-1), and an outlet of a preposed bag grouting pipeline (1-5) penetrates through an opening of the first extraction pipe (1-1) and is communicated between the first extraction pipe (1-1) and the first self-adaptive bag (1-2);
a second self-adaptive bag (2-2) is sleeved on the second extraction pipe (2-1), the two ends of the second self-adaptive bag are respectively fastened by a second bag fastener (2-4), a second quick threaded connector (2-3) is arranged at one end of the second extraction pipe (2-1), a self-adaptive bag grouting pipeline (2-5), the middle section grouting pipeline (2-6) and the slurry return pipeline (2-7) penetrate through the second extraction pipe (2-1), one end of the middle section grouting pipeline (2-6) and one end of the slurry return pipeline (2-7) extend into the middle section, the number of outlets of the adaptive bag grouting pipeline (2-5) is two, the first outlet is communicated between the second extraction pipe (2-1) and the second adaptive bag (2-2), and the second outlet is communicated with the inlet of the front bag grouting pipeline (1-5);
the front hole sealing device (1) and the rear hole sealing device (2) are quickly connected with the second quick threaded interfaces (2-3) and the extraction pipeline through the first quick threaded interfaces (1-3), and the length of the middle section can be freely connected.
2. The adaptive bladder sealing device according to claim 1, wherein the front bladder grouting pipeline (1-5) comprises a first bladder grouting extension pipe (1-5a), a front bladder grouting pipe (1-5b), a first sealing interface (1-5c) and a first bidirectional quick connector (1-5 d); the first bag grouting extension pipe (1-5a) is located outside the first extraction pipe (1-1), the front bag grouting pipe (1-5b) is located inside the first extraction pipe (1-1), the inlet of the front bag grouting pipe (1-5b) is communicated to the first bag grouting extension pipe (1-5a) through a first bidirectional quick connector (1-5d), and the outlet of the front bag grouting pipe is communicated to the position between the first extraction pipe (1-1) and the first self-adaptive bag (1-2) through a first sealing interface (1-5 c).
3. The adaptive bladder sealing device according to claim 1, wherein the adaptive bladder grouting line (2-5) comprises a second bladder grouting extension pipe (2-5a), a rear bladder grouting pipe (2-5b), a third bladder grouting extension pipe (2-5c), a second bidirectional quick connector (2-5d), a third bidirectional quick connector (2-5f) and a second sealing interface (2-5 e);
a second bag grouting extension pipe (2-5a) and a third bag grouting extension pipe (2-5c) are positioned outside a second extraction pipe (2-1), a rear bag grouting pipe (2-5b) is positioned in the second extraction pipe (2-1), an inlet of the rear bag grouting pipe (2-5b) is communicated to the second bag grouting extension pipe (2-5a) through a second bidirectional quick connector (2-5d), a first outlet of the rear bag grouting pipe (2-5b) is communicated to a position between the second extraction pipe (2-1) and a second self-adaptive bag (2-2) through a second sealing interface (2-5e), a second outlet is communicated to the third bag grouting extension pipe (2-5c) through a third bidirectional quick connector (2-5f), and an outlet of the third bag grouting extension pipe (2-5c) is communicated to a position of a front bag grouting pipeline (1-5) And (4) an inlet.
4. The adaptive bladder sealing device according to claim 3, wherein the adaptive bladder grouting line (2-5) further comprises a bladder grouting pipe valve (2-5g) provided on the second bladder grouting extension pipe (2-5 a).
5. The adaptive bladder sealing device according to claim 1, wherein the middle section grouting line (2-6) comprises a first middle section grouting extension pipe (2-6a), a middle section grouting pipe (2-6b), a second middle section grouting extension pipe (2-6c), a fourth bidirectional quick joint (2-6d), and a fifth bidirectional quick joint (2-6 e);
the first middle section grouting extension pipe (2-6a) and the second middle section grouting extension pipe (2-6c) are located outside the second extraction pipe (2-1), the middle section grouting pipe (2-6b) is located inside the second extraction pipe (2-1), an inlet of the middle section grouting pipe (2-6b) is communicated to the first middle section grouting extension pipe (2-6a) through a fourth bidirectional quick joint (2-6d), and an outlet of the middle section grouting pipe (2-6b) is communicated to the second middle section grouting extension pipe (2-6c) through a fifth bidirectional quick joint (2-6 e).
6. The adaptive bladder sealing device according to claim 5, wherein the middle section grouting line (2-6) further comprises a middle section grouting valve (2-6f) provided on the first middle section grouting extension pipe (2-6 a).
7. The adaptive bladder sealing device according to claim 1, wherein the grout return pipeline (2-7) comprises a first grout return extension pipe (2-7a), a grout return pipe (2-7b), a second grout return extension pipe (2-7c), a sixth bidirectional quick coupling (2-7d) and a seventh bidirectional quick coupling (2-7 e);
the first slurry return extension pipe (2-7a) and the second slurry return extension pipe (2-7c) are located outside the second extraction pipe (2-1), the slurry return pipe (2-7b) is located inside the second extraction pipe (2-1), an inlet of the slurry return pipe (2-7b) is communicated to the first slurry return extension pipe (2-7a) through a sixth bidirectional quick coupling (2-7d), and an outlet of the slurry return pipe (2-7b) is communicated to the second slurry return extension pipe (2-7c) through a seventh bidirectional quick coupling (2-7 e).
8. The adaptive bladder sealing device according to claim 7, wherein the grout return pipe (2-7) further comprises a sealing valve (2-7f) disposed on the first grout return extension pipe (2-7 a).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021933069.7U CN213450479U (en) | 2020-09-07 | 2020-09-07 | Self-adaptive bag hole sealing device |
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| CN202021933069.7U CN213450479U (en) | 2020-09-07 | 2020-09-07 | Self-adaptive bag hole sealing device |
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| CN213450479U true CN213450479U (en) | 2021-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458232A (en) * | 2022-02-09 | 2022-05-10 | 煤炭科学技术研究院有限公司 | Self-adaptive pressure-maintaining sealing device and method for drilling |
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2020
- 2020-09-07 CN CN202021933069.7U patent/CN213450479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458232A (en) * | 2022-02-09 | 2022-05-10 | 煤炭科学技术研究院有限公司 | Self-adaptive pressure-maintaining sealing device and method for drilling |
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