CN203769840U - Gas drainage hole packer for coal mine - Google Patents
Gas drainage hole packer for coal mine Download PDFInfo
- Publication number
- CN203769840U CN203769840U CN201420162762.7U CN201420162762U CN203769840U CN 203769840 U CN203769840 U CN 203769840U CN 201420162762 U CN201420162762 U CN 201420162762U CN 203769840 U CN203769840 U CN 203769840U
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- China
- Prior art keywords
- plug
- sleeve pipe
- center mixer
- circular passage
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A gas drainage hole packer for a coal mine comprises a left plug, a central mixer, a right plug, a left sleeve and a right sleeve, wherein the left plug, the central mixer, the right plug, the left sleeve and the right sleeve are arranged on a drainage pipe in a sleeved mode respectively. A left annular channel is formed between the inner wall of the left sleeve and the outer wall of the drainage pipe. A right annular channel is formed between the inner wall of the right sleeve and the outer wall of the drainage pipe. A left piston is arranged inside the left annular channel. A right piston is arranged inside the right annular channel. The left plug is provided with a left air inlet hole. The right plug is provided with a right air inlet hole. The central mixer is provided with a mixing chamber communicated with the left annular channel and the right annular channel. An expansion bag located outside the central mixer is arranged between the left sleeve and the right sleeve. A circle of mixture outlet holes communicated with the mixing chamber and the interior of the expansion bag are formed in the central mixer in the circumferential direction. The gas drainage hole packer for the coal mine is designed in strict accordance with coal mine explosion-proof criteria, and is scientific in principle, easy and convenient to operate, high in economy, reliability and work efficiency, good in plugging effect, high in practical value, and easy to popularize and apply.
Description
Technical field
The utility model belongs to gas discharge in mine technical field, relates in particular to a kind of colliery gas drainage hole packer.
Background technology
The existence of coal-bed gas is the maximum potential safety hazard of Coal Industrial always, and each coal enterprise adopted different measures in recent years, and the gas in dark coal seam is carried out to extraction, to guarantee production safety.Geological conditions more complicated due to China, the extraction condition of each department is also not quite similar, existing market hole sealing technology mainly contains: novel synthetic resin (macromolecule sealing material), bag type paste hole packer, with " two stifled notes " bag, press principle to carry out sealing of hole, for above two kinds of hole sealing technologies, novel synthetic resin is because the reaction time is fixed, for growing apart from sealing of hole and collapse hole situation, can cause and also not be inserted in a situation at releasing pipe, macromolecule sealing material just reacts expansion, causes sealing of hole not in place defective; Bag type paste hole packer is respond well for regular hole sealing of hole, for having collapse hole and irregular hole situation, can not form two shutoff, and meeting spillage when slip casting, causes sealing of hole failure.
Utility model content
The utility model is in order to solve weak point of the prior art, and a kind of easy to operate, economic reliable, colliery gas drainage hole packer that sealing of hole efficiency is high is provided.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: colliery gas drainage hole packer, comprise the left plug being set in respectively on releasing pipe, center mixer and right plug, center mixer outside is provided with between left plug and center mixer left end and is provided with left sleeve pipe, between right plug and center mixer right-hand member, be provided with right sleeve pipe, between left internal surface of sleeve pipe and releasing pipe outer wall, form left circular passage, between right internal surface of sleeve pipe and releasing pipe outer wall, form right circular passage, in left circular passage, be provided with left piston, in right circular passage, be provided with right piston, left plug is provided with the left air inlet being communicated with left circular passage, right plug is provided with the right air inlet being communicated with right circular passage, in center mixer, be provided with the mixing chamber being communicated with He You circular passage, left circular passage respectively, between left sleeve pipe and right sleeve pipe, be provided with the expanding bag that is positioned at center mixer outside, center mixer is portalled with the compound of mixing chamber and expanding bag internal communication respectively along being circumferentially with a circle.
Described left sleeve pipe two ends are threaded with left plug and center mixer right-hand member respectively, right sleeve pipe two ends are threaded with right plug and center mixer right-hand member respectively, left plug is provided with respectively the left sealing ring that the joint face with left sleeve pipe and releasing pipe is tightly connected, and right plug is provided with respectively the right sealing ring being tightly connected with right sleeve pipe and releasing pipe.
Described center mixer consists of the left and right two parts that are threaded, and the mixing chamber in center mixer is portalled and is connected with compound by mixed flow passage, is provided with the middle sealing ring that the joint face with releasing pipe is tightly connected in center mixer.
Adopt technique scheme, in left circular passage between left piston and center mixer, inject A kind polyurethane, in right circular passage between right piston and center mixer, inject B kind polyurethane, left air inlet is connected respectively a gas connection with right air inlet, gases at high pressure by gas connection promote respectively left piston move right and right piston be moved to the left, respectively A kind polyurethane and B kind polyurethane are pushed in the mixing chamber in center mixer, after mixing in mixing chamber, by mixed flow passage and compound, portal and be injected in expanding bag, compound produces chemical reaction in expanding bag, produce foamed solid by after inflation pocket inflates by the shutoff of extraction hole.
Left sleeve pipe two ends are threaded with left plug and center mixer right-hand member respectively, and right sleeve pipe two ends are threaded with right plug and center mixer right-hand member respectively, and center mixer consists of the left and right two parts that are threaded.The utility model adopts the above mode being threaded, and is convenient to like this manufacture and dismounting.Left sealing ring, right sealing ring and middle sealing ring play the effect of excellent sealing.
The utility model is in strict accordance with coal mine explosion-proof type design, and principle science, easy and simple to handle, economy is high, reliability is strong, operating efficiency is high, plugging effect is good, has stronger practical value, is easy to apply.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged drawing at A place in Fig. 1;
Fig. 3 is the enlarged drawing at B place in Fig. 1;
Fig. 4 is the enlarged drawing at C place in Fig. 1.
The specific embodiment
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, colliery of the present utility model gas drainage hole packer, comprise the left plug 2 being set in respectively on releasing pipe 1, center mixer 3 and right plug 4, center mixer 3 outsides are provided with between left plug 2 and center mixer 3 left ends and are provided with left sleeve pipe 5, between right plug 4 and center mixer 3 right-hand members, be provided with right sleeve pipe 6, between left sleeve pipe 5 inwalls and releasing pipe 1 outer wall, form left circular passage 7, between right sleeve pipe 6 inwalls and releasing pipe 1 outer wall, form right circular passage 8, in left circular passage 7, be provided with left piston 9, in right circular passage 8, be provided with right piston 10, left plug 2 is provided with the left air inlet 11 being communicated with left circular passage 7, right plug 4 is provided with the right air inlet 12 being communicated with right circular passage 8, in center mixer 3, be provided with the mixing chamber 13 being communicated with left circular passage 7 and right circular passage 8 respectively, between left sleeve pipe 5 and right sleeve pipe 6, be provided with the expanding bag 14 that is positioned at center mixer 3 outsides, center mixer 3 portals 15 with the compound of mixing chamber 13 and expanding bag 14 internal communication respectively along being circumferentially with a circle.Left sleeve pipe 5 and right sleeve pipe 6 all adopt pvc pipe.
Left sleeve pipe 5 two ends are threaded with left plug 2 and center mixer 3 right-hand members respectively, right sleeve pipe 6 two ends are threaded with right plug 4 and center mixer 3 right-hand members respectively, left plug 2 is provided with respectively the left sealing ring 16 that the joint face with left sleeve pipe 5 and releasing pipe 1 is tightly connected, and right plug 4 is provided with respectively the right sealing ring 17 being tightly connected with right sleeve pipe 6 and releasing pipe 1.
Center mixer 3 consists of the left and right two parts that are threaded, and the mixing chamber 13 in center mixer 3 is portalled and 15 is connected by mixed flow passage 18 and compound, is provided with the middle sealing ring 19 that the joint face with releasing pipe 1 is tightly connected in center mixer 3.
When the utility model is used in work, first the interior injection in the left circular passage 7 A kind polyurethane between left piston 9 and center mixer 3, the interior injection in right circular passage 8 B kind polyurethane between right piston 10 and center mixer 3, left air inlet 11 is connected respectively a gas connection 20 with right air inlet 12, gases at high pressure by gas connection 20 promote respectively left piston 9 move right and right piston 10 be moved to the left, respectively A kind polyurethane and B kind polyurethane are pushed in the mixing chamber 13 in center mixer 3, after mixing in mixing chamber 13, by mixed flow passage 18 and compound, portal and 15 be injected in expanding bag 14, compound is at the interior generation chemical reaction of expanding bag 14, after producing foamed solid expanding bag 14 being expanded by the shutoff of extraction hole.
The present embodiment is not done any pro forma restriction to shape of the present utility model, material, structure etc.; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all belong to the protection domain of technical solutions of the utility model.
Claims (3)
1. colliery gas drainage hole packer, it is characterized in that: comprise the left plug being set in respectively on releasing pipe, center mixer and right plug, center mixer outside is provided with between left plug and center mixer left end and is provided with left sleeve pipe, between right plug and center mixer right-hand member, be provided with right sleeve pipe, between left internal surface of sleeve pipe and releasing pipe outer wall, form left circular passage, between right internal surface of sleeve pipe and releasing pipe outer wall, form right circular passage, in left circular passage, be provided with left piston, in right circular passage, be provided with right piston, left plug is provided with the left air inlet being communicated with left circular passage, right plug is provided with the right air inlet being communicated with right circular passage, in center mixer, be provided with the mixing chamber being communicated with He You circular passage, left circular passage respectively, between left sleeve pipe and right sleeve pipe, be provided with the expanding bag that is positioned at center mixer outside, center mixer is portalled with the compound of mixing chamber and expanding bag internal communication respectively along being circumferentially with a circle.
2. colliery according to claim 1 gas drainage hole packer, it is characterized in that: described left sleeve pipe two ends are threaded with left plug and center mixer right-hand member respectively, right sleeve pipe two ends are threaded with right plug and center mixer right-hand member respectively, left plug is provided with respectively the left sealing ring that the joint face with left sleeve pipe and releasing pipe is tightly connected, and right plug is provided with respectively the right sealing ring being tightly connected with right sleeve pipe and releasing pipe.
3. colliery according to claim 1 gas drainage hole packer, it is characterized in that: described center mixer consists of the left and right two parts that are threaded, mixing chamber in center mixer is portalled and is connected with compound by mixed flow passage, is provided with the middle sealing ring that the joint face with releasing pipe is tightly connected in center mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162762.7U CN203769840U (en) | 2014-04-04 | 2014-04-04 | Gas drainage hole packer for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162762.7U CN203769840U (en) | 2014-04-04 | 2014-04-04 | Gas drainage hole packer for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203769840U true CN203769840U (en) | 2014-08-13 |
Family
ID=51287040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420162762.7U Expired - Fee Related CN203769840U (en) | 2014-04-04 | 2014-04-04 | Gas drainage hole packer for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203769840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003224A (en) * | 2015-07-23 | 2015-10-28 | 江苏中煤矿山设备有限公司 | Two-section type hole packer and core drilling process of two-section type hole packer |
| CN105064946A (en) * | 2015-07-23 | 2015-11-18 | 江苏中煤矿山设备有限公司 | Hole packer and core-drilling technology thereof |
-
2014
- 2014-04-04 CN CN201420162762.7U patent/CN203769840U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003224A (en) * | 2015-07-23 | 2015-10-28 | 江苏中煤矿山设备有限公司 | Two-section type hole packer and core drilling process of two-section type hole packer |
| CN105064946A (en) * | 2015-07-23 | 2015-11-18 | 江苏中煤矿山设备有限公司 | Hole packer and core-drilling technology thereof |
| CN105064946B (en) * | 2015-07-23 | 2017-12-29 | 郑州煤电股份有限公司告成煤矿 | Hole packer and its boring and coring process |
| CN105003224B (en) * | 2015-07-23 | 2017-12-29 | 郑州煤电股份有限公司告成煤矿 | Two-part hole packer and its boring and coring process |
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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 |
Owner name: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Free format text: FORMER NAME: ZHENGZHOU YUANJIAN COAL MINE EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Xinmi City Town Village 452300 meters persimmon Bay Henan city of Zhengzhou Province Patentee after: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Address before: Xinmi City Town Village 452300 meters persimmon Bay Henan city of Zhengzhou Province Patentee before: Zhengzhou Yuanjian Coal Mine Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20180404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |