CN204571919U - To mensuration coal-bed gas pressure drilling and sealing device under colliery - Google Patents
To mensuration coal-bed gas pressure drilling and sealing device under colliery Download PDFInfo
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- CN204571919U CN204571919U CN201520293139.XU CN201520293139U CN204571919U CN 204571919 U CN204571919 U CN 204571919U CN 201520293139 U CN201520293139 U CN 201520293139U CN 204571919 U CN204571919 U CN 204571919U
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Abstract
The utility model discloses under a kind of colliery to mensuration coal-bed gas pressure drilling and sealing device, comprising the piezometer tube inserted in boring, be fixed on the cloth bag of piezometer tube pipe shaft, being communicated with note ester pipe for injecting polyurethane in cloth bag with described cloth bag and for the Grouting Pipe injecting expansion cement slurry in holing, can effectively improve under colliery to coal-bed gas pressure drilling and sealing success rate and piezometry success rate.
Description
Technical field
The utility model relates to coal mine gas prevention and control field, specifically under a kind of colliery to mensuration coal-bed gas pressure drilling and sealing device.
Background technology
The method for sealing of existing pressure measuring drill hole, is broadly divided into manual sealing of hole, injection hole sealing, mechanical hole packer sealing of hole, fluid pressure type hole packer sealing of hole and cushion rubber-pressure mucus sealing of hole 5 clock method by its technique.Various method has its pluses and minuses and certain applicable elements, pressure measurement process need certain hour and space.Wherein injection hole sealing is higher and be widely used because tightness causes well the gas pressure of survey, but sealing of hole has strict requirement, operation is slightly slipped up, just be difficult to accurately measure coal-bed gas pressure, especially hole to determination of coal seam gas pressure under, if the stifled not tight cement paste that causes in boring inner end can enter coal seam and piezometer tube, cause sealing of hole failure.
Therefore, it is simple that the purpose of this utility model is to provide a kind of structure, can effectively to improve under colliery under the colliery of coal-bed gas pressure drilling and sealing success rate and piezometry success rate to mensuration coal-bed gas pressure drilling and sealing device.
Utility model content
In view of this, the purpose of this utility model overcomes defect of the prior art, provides a kind of and can effectively to improve under colliery under the colliery of coal-bed gas pressure drilling and sealing success rate and piezometry success rate to mensuration coal-bed gas pressure drilling and sealing device.
To mensuration coal-bed gas pressure drilling and sealing device under colliery of the present utility model, comprising the piezometer tube inserted in boring, be fixed on the cloth bag of piezometer tube pipe shaft, being communicated with note ester pipe for injecting polyurethane in cloth bag with described cloth bag and for the Grouting Pipe injecting expansion cement slurry in holing;
Also comprise to mensuration coal-bed gas pressure drilling and sealing device the note polyurethane device be connected with described note ester pipe entrance point under colliery of the present utility model, described note polyurethane device comprises the first container for holding polyurethane A liquid and for the second container that holds polyurethane B liquid and threeway drain pipe; Described threeway drain pipe is communicated with described first container outlet, second container outlet and the import of note ester pipe;
Further, described note polyurethane device also comprises threeway air inlet pipe, and the import of described threeway air inlet pipe is used for connecting and is connected with compressed-air system air outlet, and two outlets of threeway air inlet pipe are connected to the first vessel inlet and second container import;
Further, described piezometer tube is distributed with sieve aperture on the sidewall of lower end, and described cloth bag is fixed on the piezometer tube pipe shaft above sieve aperture;
Further, be provided with binding rope between described piezometer tube, Grouting Pipe and note ester pipe and connected by binding rope;
Further, described note ester pipe is aluminium-plastic pipe.
The beneficial effects of the utility model are: to mensuration coal-bed gas pressure drilling and sealing device under colliery of the present utility model, when sealing of hole is carried out to pressure measuring drill hole, polyurethane is injected in cloth bag, utilize the dilating principle that dual-component polyurethane foams, sealing of hole is carried out to boring, this device manufacture craft is convenient and practical, operating procedure is simple, greatly improve operating efficiency, save material simultaneously, highly civilized health, after sealing of hole, extracting result is good, after there is the drilling and sealing of the problems such as ponding to adjacent layer extraction borehole, effect is more obvious, solve common hole sealing device to there being the imprecise difficult problem of the drilling and sealing of ponding, the safety of ventilating gas during ensureing working face extraction, improve hole pumping and mining effect, not only increase single hole extraction concentration and extraction amount, more effectively control gas to gush out to work plane in a large number, the extraction concentration of boring significantly promotes.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is scheme of installation of the present utility model;
Fig. 3 is the structural representation of note polyurethane device of the present utility model.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, as shown in the figure, to mensuration coal-bed gas pressure drilling and sealing device under the colliery of the present embodiment, comprising the piezometer tube 2 inserted in boring, be fixed on the cloth bag 4 of piezometer tube 2 pipe shaft, being communicated with note ester pipe 3 for injecting polyurethane in cloth bag 4 with described cloth bag 4 and for the Grouting Pipe 1 injecting expansion cement slurry in holing, to mensuration coal-bed gas pressure drilling and sealing device under the colliery of the present embodiment, when sealing of hole is carried out to pressure measuring drill hole, polyurethane is injected in cloth bag 4, utilize the dilating principle that dual-component polyurethane foams, sealing of hole is carried out to boring, this device manufacture craft is convenient and practical, operating procedure is simple, greatly improve operating efficiency, save material simultaneously, highly civilized health, after sealing of hole, extracting result is good, after there is the drilling and sealing of the problems such as ponding to adjacent layer extraction borehole, effect is more obvious, solve common hole sealing device to there being the imprecise difficult problem of the drilling and sealing of ponding, the safety of ventilating gas during ensureing working face extraction, improve hole pumping and mining effect, not only increase single hole extraction concentration and extraction amount, more effectively control gas to gush out to work plane in a large number, the extraction concentration of boring significantly promotes.
Also comprise to mensuration coal-bed gas pressure drilling and sealing device the note polyurethane device be connected with described note ester pipe 3 entrance point under the colliery of the present embodiment, described note polyurethane device comprises the first container 8 for holding polyurethane A liquid and for the second container 9 that holds polyurethane B liquid and threeway drain pipe 10, described threeway drain pipe 10 is communicated with described first container 8 and exports, second container 9 exports and the import of note ester pipe 3, first polyurethane component A and B component can be injected the first container 8 and second container 9 respectively before using this device sealing of hole, drain pipe can arrange valve, during sealing of hole, open valve and polyurethane component A and B component liquid are injected cloth bag 4, common hole-sealing technology is coated with polyurethane A on gunnysack, B compound, easily compound is retained in tunnel and outside boring, on-site sanitation is poor, the present embodiment carries out polyurethane A by note polyurethane device, the reaction of B compound, fundamentally solve in the past that sealing of hole scene is dirty, disorderly, the problem of difference.
In the present embodiment, described note polyurethane device also comprises threeway air inlet pipe 7, the import of described threeway air inlet pipe 7 is used for connecting and is connected with compressed-air system air outlet, two outlets of threeway air inlet pipe 7 are connected to the first container 8 import and second container 9 import, compressed-air system can be utilized to be discharged from the first container 8 and second container 9 by polyurethane, certainly, threeway air inlet pipe 7 should be provided with valve, this valve can be opened before sealing of hole, utilize air pressure to be extruded from the first container 8 and second container 9 by polyurethane.
In the present embodiment, described piezometer tube 2 is distributed with sieve aperture 5 on the sidewall of lower end, and described cloth bag 4 is fixed on piezometer tube 2 pipe shaft above sieve aperture 5, avoids cloth bag 4 to be blocked by sieve aperture 5, and make the boring below cloth bag 4 form pressure measuring chamber, pressure measuring rod outer end is provided with pressure meter.
In the present embodiment, be provided with binding rope between described piezometer tube 2, Grouting Pipe 1 and note ester pipe 3 and connected by binding rope, during sealing of hole, the piezometer tube 2 bundled, Grouting Pipe 1 and note ester pipe 3 together can be stretched in pressure measuring drill hole.
In the present embodiment, described note ester pipe 3 is aluminium-plastic pipe, and aluminium-plastic pipe is a kind of tubing comparatively popular on the market, due to its light weight, durable and easy construction.
Adopt under the colliery of the present embodiment and comprise the following steps to the method measuring coal-bed gas pressure drilling and sealing device and carry out sealing of hole:
1, cloth bag 4 is fixed on piezometer tube 2 sieve aperture 5 top, and cloth bag 4 is inserted in aluminium-plastic pipe one end and is fixed on piezometer tube 2, Grouting Pipe 1 and piezometer tube 2, aluminium-plastic pipe are fixed together, send into together in pressure measuring drill hole after being ready to.
(3) polyurethane A, B liquid is injected the first container 8 and second container 9 respectively, after aluminium-plastic pipe interface and threeway air inlet pipe 7 connect, utilize pressure wind to be sent in cloth bag 4 by polyurethane.
After (4) 10 minutes, after polyurethane fully reacts, in boring, inject expansion cement slurry, until fill boring by Grouting Pipe 14.
(5) if lower when having ponding in the boring of mensuration coal-bed gas pressure, must first with compressed-air system by hole internal water accumulation emptying.
(6) after interior cement slurry sets hole to be drilled, according to mounting ball valve 1 shown in Fig. 3 and pressure meter 2.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. under colliery to a mensuration coal-bed gas pressure drilling and sealing device, it is characterized in that: comprising the piezometer tube inserted in boring, be fixed on the cloth bag of piezometer tube pipe shaft, being communicated with note ester pipe for injecting polyurethane in cloth bag with described cloth bag and for the Grouting Pipe injecting expansion cement slurry in holing.
2. under colliery according to claim 1 to mensuration coal-bed gas pressure drilling and sealing device, it is characterized in that: also comprise the note polyurethane device be connected with described note ester pipe entrance point, described note polyurethane device comprises the first container for holding polyurethane A liquid and for the second container that holds polyurethane B liquid and threeway drain pipe; Described threeway drain pipe is communicated with described first container outlet, second container outlet and the import of note ester pipe.
3. under colliery according to claim 2 to mensuration coal-bed gas pressure drilling and sealing device, it is characterized in that: described note polyurethane device also comprises threeway air inlet pipe, the import of described threeway air inlet pipe is used for connecting and is connected with compressed-air system air outlet, and two outlets of threeway air inlet pipe are connected to the first vessel inlet and second container import.
4. under colliery according to claim 3 to mensuration coal-bed gas pressure drilling and sealing device, it is characterized in that: described piezometer tube is distributed with sieve aperture on the sidewall of lower end, described cloth bag is fixed on the piezometer tube pipe shaft above sieve aperture.
5. under colliery according to claim 4 to mensuration coal-bed gas pressure drilling and sealing device, it is characterized in that: be provided with binding rope between described piezometer tube, Grouting Pipe and note ester pipe and connected by binding rope.
6. under colliery according to claim 5 to mensuration coal-bed gas pressure drilling and sealing device, it is characterized in that: described note ester pipe is aluminium-plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293139.XU CN204571919U (en) | 2015-05-08 | 2015-05-08 | To mensuration coal-bed gas pressure drilling and sealing device under colliery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293139.XU CN204571919U (en) | 2015-05-08 | 2015-05-08 | To mensuration coal-bed gas pressure drilling and sealing device under colliery |
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| CN204571919U true CN204571919U (en) | 2015-08-19 |
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| CN201520293139.XU Active CN204571919U (en) | 2015-05-08 | 2015-05-08 | To mensuration coal-bed gas pressure drilling and sealing device under colliery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443154A (en) * | 2015-11-16 | 2016-03-30 | 淮南矿业(集团)有限责任公司 | Coal seam permeability improvement method and device |
| CN105909287A (en) * | 2016-05-17 | 2016-08-31 | 河南理工大学 | Deep hole grouting technology and method at advanced abutment pressure region for comprehensive mining work surface of coal mine |
| CN108361002A (en) * | 2018-01-28 | 2018-08-03 | 湖南科技大学 | Drilling cement mortar hole sealing method for gas pressure test of large-depression-angle long-distance coal seam |
| CN110173231A (en) * | 2019-07-08 | 2019-08-27 | 中煤科工集团重庆研究院有限公司 | To the closely knit hole-sealing pressure measuring device of drilling subsection and method under a kind of long range |
| CN111608610A (en) * | 2020-06-29 | 2020-09-01 | 陕西陕煤韩城矿业有限公司 | Pneumatic automatic liquid injection device for coal mine |
-
2015
- 2015-05-08 CN CN201520293139.XU patent/CN204571919U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443154A (en) * | 2015-11-16 | 2016-03-30 | 淮南矿业(集团)有限责任公司 | Coal seam permeability improvement method and device |
| CN105909287A (en) * | 2016-05-17 | 2016-08-31 | 河南理工大学 | Deep hole grouting technology and method at advanced abutment pressure region for comprehensive mining work surface of coal mine |
| CN105909287B (en) * | 2016-05-17 | 2018-07-03 | 河南理工大学 | A kind of coal mine fully-mechanized mining working lead abutment pressure area deep hole grouting technique and method |
| CN108361002A (en) * | 2018-01-28 | 2018-08-03 | 湖南科技大学 | Drilling cement mortar hole sealing method for gas pressure test of large-depression-angle long-distance coal seam |
| CN110173231A (en) * | 2019-07-08 | 2019-08-27 | 中煤科工集团重庆研究院有限公司 | To the closely knit hole-sealing pressure measuring device of drilling subsection and method under a kind of long range |
| CN111608610A (en) * | 2020-06-29 | 2020-09-01 | 陕西陕煤韩城矿业有限公司 | Pneumatic automatic liquid injection device for coal mine |
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