CN202441417U - Coal mine gas extracting hole sealing device - Google Patents
Coal mine gas extracting hole sealing device Download PDFInfo
- Publication number
- CN202441417U CN202441417U CN 201220056138 CN201220056138U CN202441417U CN 202441417 U CN202441417 U CN 202441417U CN 201220056138 CN201220056138 CN 201220056138 CN 201220056138 U CN201220056138 U CN 201220056138U CN 202441417 U CN202441417 U CN 202441417U
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- coal mine
- hole
- mine gas
- liquid
- sealing device
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Abstract
The utility model belongs to the technical field of coal mine gas extracting devices, and discloses a coal mine gas extracting hole sealing device. The coal mine gas extracting hole sealing device is mainly technically characterized by comprising a discharge tube, rubber sleeves are respectively arranged at two ends of the discharge tube, an inflating capsule which is connected with an inflating device is arranged on the outer wall of each rubber sleeve, and a liquid bag A and a liquid bag B are arranged between the rubber sleeves at the two ends of the discharge tube. Solid is used for sealing liquid, the liquid is used for sealing gas, the two rubber inflating capsules are used for sealing a hole, furthermore, a certain quantity of liquid chemical substances are filled between the two rubber inflating capsules, the pressure of the chemical substances is slightly higher than that of gas, the liquid chemical substances permeate fractures on the periphery of the drilled hole under the action of the pressure, and accordingly leakage of the gas is prevented effectively.
Description
Technical field
The utility model belongs to coal mine gas extraction device technique field, relates in particular to a kind of coal mine gas extraction hole hole sealing device.
Background technology
In coal mine gas extraction design, the hole sealing device in extraction hole plays an important role, its mainly bearing will hole and delivery pipe between the complete shutoff in gap, prevent the effect of gas from hole wall and the internal leakage of hole sealing tube gap.At present, the both ends that coal mine gas extraction hole hole sealing device is employed in discharge body more are twined suction burlap or cloth bag respectively, between the suction burlap, use the beautiful sealing material sealing of hole such as diffusing of AB liquid or horse then.This sealing of hole mode is in the process of shutoff, and the effect that plays shutoff fully is possible.But; The length of sealing of hole receives certain influence, and along with the intensification of sealed borehole length, the sealing of hole effect is twined condition influence such as inhomogeneous because of the suction burlap; Simultaneously there is phenomenon at the bottom of the plugging hole easily to the hole sealing tube in injection slurry from backflowing at the bottom of the hole; Cause the extraction effect not reach codes and standards, and raw-material wasting phenomenon is more serious, the quality standardization work of job site is difficult to be realized.
The utility model content
The problem that the utility model will solve just provides a kind of simple in structure, and is easy for installation, the drilling depth depth all can coal mine gas extraction hole hole sealing device.
For addressing the above problem; The technical scheme that the utility model adopts is: comprise discharge body; The both ends of said discharge body are provided with rubber pneumatic bag respectively; The outer wall of rubber pneumatic bag is provided with the aerated capsule that is connected with aerating device, is provided with AB liquid bag between the rubber pneumatic bag at discharge body both ends.
Its additional technical feature is: described aerated capsule is provided with pre-buried copper pipe and does air inlet pipe, and air inlet pipe is connected with inflated hose through fast joint, and inflated hose is connected with the valve cock of aerating device through fast joint.
When the coal mine gas extraction hole hole sealing device that the utility model provided uses; According to the depth of boring,, then two gum sleeves are separately fixed at the far and near two ends of delivery pipe with two joints or above delivery pipes such as the PVC connection of two joints of scale; Mixing the back to chemical substance AB liquid again reacts between two gum sleeves; Charge into gas with aerating device to two aerated capsules again, atmospheric pressure value is controlled between 0.25-0.35Mpa, after aerated capsule is full of gas; Its inwall is that the gum sleeve tube wall closely contacts with the delivery pipe outer wall; Outer wall closely contacts with the boring inwall, seals between two aerated capsules, after the A that mixes, B liquid react at the fixed time, expands to be full of to realize sealing between two aerated capsules.Like this; The coal mine gas extraction hole hole sealing device solid sealing liquid body that the utility model provided, liquid envelope gas is except utilizing two inflated rubber capsule sealing of holes; Between two inflated rubber capsules, charge into certain aqueous chemical material; The pressure of chemical substance is a little more than gas pressure, and the aqueous chemical material infiltrates the borehole circumference crack under pressure, thereby has effectively prevented the leakage of gas.Gum sleeve and aerated capsule adopt elasticity good, and the elastomeric material that tightness is good is made.Because a big characteristic of rubber is the performance that it has goodish tightness and electrical insulating property and anti-various chemical mediators, so gum sleeve and aerated capsule meet in the sealing of hole process of boring product itself are had the requirement of elasticity, tightness, antistatic behaviour, anti-flammability preferably.Do air inlet pipe and aerated capsule is provided with pre-buried copper pipe, air inlet pipe is connected with inflated hose through fast joint, and inflated hose is connected with the valve cock of inlet duct through fast joint, makes easy for installation.The coal mine gas extraction hole hole sealing device that the utility model provided is simple in structure, and cost is low, and the length of sealing of hole is unaffected; Can adapt to various colliery drilling depth; Sealing of hole is effective, and extraction effect compliant standard can realize the quality standardization work of job site.
Description of drawings
Fig. 1 is the structural representation of the utility model coal mine gas extraction hole hole sealing device;
Fig. 2 is the structural representation of gum sleeve.
The specific embodiment
Explain further details below in conjunction with the structure and the use principle of accompanying drawing to the utility model coal mine gas extraction hole hole sealing device.
As shown in Figure 1, the utility model coal mine gas extraction hole hole sealing device comprises discharge body 1, and the both ends of discharge body 1 are provided with gum sleeve 2,3 respectively, and 2,3 of gum sleeves are provided with A, B liquid bag 4,5.As shown in Figure 2; The outer wall of gum sleeve 2 is provided with aerated capsule 6; Aerated capsule 6 is provided with pre-buried copper pipe and does air inlet pipe 7, and air inlet pipe 7 is connected with inflated hose 9 through first fast joint 8, and inflated hose 9 is connected with the valve cock 11 of aerating device through second fast joint 10.
When the coal mine gas extraction hole hole sealing device that the utility model provided uses,, the PVC delivery pipe body 1 that two of scale saves or two joints are above is connected according to the depth of boring; Then two gum sleeves 2,3 are separately fixed at the far and near two ends of delivery pipe body 1; Be fixed on two gum sleeves 2 after getting through chemical substance A, B liquid bag 4,5 to mix again, between 3, then PVC delivery pipe body 1 put into boring fast, charge into gas with aerating device to two aerated capsules 6 again; Atmospheric pressure value is controlled between 0.25-0.35Mpa; After aerated capsule 6 was full of gas, its inwall closely contacted with delivery pipe body 1 outer wall, and outer wall closely contacts with the boring inwall; 6 sealings of two aerated capsules, after the A that mixes, B liquid react at the fixed time, expanding is full of 6 realization sealings of two aerated capsules.Like this; The coal mine gas extraction hole hole sealing device solid sealing liquid body that the utility model provided, liquid envelope gas is except utilizing two inflated rubber capsule 6 sealing of holes; Between two inflated rubber capsules 6, charge into certain aqueous chemical material; The pressure of chemical substance is a little more than gas pressure, and the aqueous chemical material infiltrates the borehole circumference crack under pressure, thereby has effectively prevented the leakage of gas.Do air inlet pipe 7 and aerated capsule 6 is provided with pre-buried copper pipe, air inlet pipe 7 is connected with inflated hose 9 through first fast joint 8, and inflated hose 9 is connected with the valve cock 11 of aerating device through second fast joint 10, makes easy for installation.
The coal mine gas extraction hole hole sealing device that the utility model provided is not limited only to said structure; Can also directly aerated capsule be set at the delivery pipe two ends; But no matter which kind of structure; So long as realize the coal mine gas extraction hole hole sealing device of sealing of hole, all fall into the protection domain of the utility model through in rubber pneumatic bag, inflating body or liquid.
Claims (2)
1. coal mine gas extraction hole hole sealing device; Comprise discharge body; It is characterized in that: the both ends of said discharge body are provided with gum sleeve respectively, and the outer wall of gum sleeve is provided with the aerated capsule that is connected with aerating device, are provided with A, B liquid bag between the gum sleeve at discharge body both ends.
2. coal mine gas extraction according to claim 1 hole hole sealing device; It is characterized in that: described aerated capsule is provided with pre-buried copper pipe and does air inlet pipe; Air inlet pipe is connected with inflated hose through fast joint, and inflated hose is connected with the valve cock of aerating device through fast joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220056138 CN202441417U (en) | 2012-02-21 | 2012-02-21 | Coal mine gas extracting hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220056138 CN202441417U (en) | 2012-02-21 | 2012-02-21 | Coal mine gas extracting hole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441417U true CN202441417U (en) | 2012-09-19 |
Family
ID=46822870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220056138 Expired - Lifetime CN202441417U (en) | 2012-02-21 | 2012-02-21 | Coal mine gas extracting hole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441417U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206190A (en) * | 2013-03-11 | 2013-07-17 | 晋城凤凰实业有限责任公司 | Rapid inflation grouting hole-sealing method |
| CN108150127A (en) * | 2018-02-13 | 2018-06-12 | 安徽佳泰矿业科技有限公司 | Mine gas extraction drilling and sealing device and method for sealing |
| CN108757011A (en) * | 2018-07-13 | 2018-11-06 | 中国矿业大学(北京) | A kind of gas drilling plugging equipment and method based on the conjunction of positive-negative press seal bridging |
| CN114396242A (en) * | 2021-12-23 | 2022-04-26 | 华北科技学院(中国煤矿安全技术培训中心) | Coal mine gas drainage hole sealing device convenient to adjust |
-
2012
- 2012-02-21 CN CN 201220056138 patent/CN202441417U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206190A (en) * | 2013-03-11 | 2013-07-17 | 晋城凤凰实业有限责任公司 | Rapid inflation grouting hole-sealing method |
| CN103206190B (en) * | 2013-03-11 | 2016-01-13 | 晋城凤凰实业有限责任公司 | Fast aeration slip-casting hole-sealing method |
| CN108150127A (en) * | 2018-02-13 | 2018-06-12 | 安徽佳泰矿业科技有限公司 | Mine gas extraction drilling and sealing device and method for sealing |
| CN108150127B (en) * | 2018-02-13 | 2024-03-19 | 安徽佳泰矿业科技有限公司 | Hole sealing device and hole sealing method for mine gas extraction drilling |
| CN108757011A (en) * | 2018-07-13 | 2018-11-06 | 中国矿业大学(北京) | A kind of gas drilling plugging equipment and method based on the conjunction of positive-negative press seal bridging |
| CN114396242A (en) * | 2021-12-23 | 2022-04-26 | 华北科技学院(中国煤矿安全技术培训中心) | Coal mine gas drainage hole sealing device convenient to adjust |
| CN114396242B (en) * | 2021-12-23 | 2023-09-01 | 华北科技学院(中国煤矿安全技术培训中心) | Colliery gas drainage hole sealing device convenient to adjust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: The 053000 Northern Industrial Base Development Zone of Hengshui City, Hebei Province Rubber Road No. 13 Patentee after: Hebei Baoli engineering equipment Limited by Share Ltd Address before: 053000 Heping West Road, Hebei, Hengshui, No. 396 Patentee before: Hengshui Baoli Engineering Rubber Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |