CN204738781U - Take out and put certainly bloated hole packer of bag for gas - Google Patents
Take out and put certainly bloated hole packer of bag for gas Download PDFInfo
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- CN204738781U CN204738781U CN201520230465.6U CN201520230465U CN204738781U CN 204738781 U CN204738781 U CN 204738781U CN 201520230465 U CN201520230465 U CN 201520230465U CN 204738781 U CN204738781 U CN 204738781U
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Abstract
The utility model discloses a take out and put certainly bloated hole packer of bag for gas, including gas drainage under suction pipe, expand generator, pressurize bag, metal ferrule certainly. Wherein, the gas drainage under suction pipe passes pressurize bag, and the generator that expands is certainly fixed on gas drainage under suction pipe, pressurize bag both ends with metal ferrule hasp on gas drainage under suction is managed. The switch from the generator that expands is opened to the during operation, the expansion reaction takes place from the expanding material, since the expanding material receive the restriction of pressurize bag from the expansion line, the expanding material can only be full of and the whole pressurize bag of shutoff, produce huge radial expansion pressure during this time, thereby realize the pressurize hole sealing of drilling, and simultaneously, from huge radial expansion pressure of expanding material later stage, what make that whole hole packer can be fine fills drilling hole sealing section crack around, thereby reduce the drilling hole sealing section gas permeability of coal body on every side, the sealing performance of drilling has been improved, the realization is effective sealed to drilling hole sealing section.
Description
Technical field
The utility model relates to one and draws out methane by pouch from swollen hole packer, and drawing out methane of inventing is generally used for the boring in this coal seam, shutoff colliery from swollen hole packer by pouch, is especially applicable to the boring of shutoff top, base plate.
Background technology
At present, the method for sealing that China generally adopts is high molecular foam material shutoff coal bed drilling, and the main mining area such as Henan, Shanxi, Anhui, Shandong are main mainly with this method for sealing.By after two component high molecular foam material mix and blend during sealing of hole, infiltrate with fabrics such as cotton yarn, cotton, towel, woven bags, then be wrapped on gas drainage pipe, then insert boring, carry out shutoff boring by the rapid foaming and intumescing of high molecular foam material.Although this method of pore sealing has simple to operate, advantage easy to use, uses for many years, also exposes problems.
High molecular foam material foaming is too fast, and the operating time is too short, often occurs that expanded material not yet all inserts the phenomenon just flowing out aperture in boring, make port wall overwork expanded material, affect attractive in appearance, and expanded material utilization rate is low, hole sealing depth is low, often can not meet hole-sealing technology requirement.
When shutoff upward hole, high molecular foam material easily flows to aperture, can only shutoff aperture regional area, cannot shutoff tight; When under shutoff to hole time, high molecular foam material is easily freely to dirty, and the gas drainage pipe of blocking the inside, makes gas drainage pipe draw out methane, institute in this way cannot shutoff upper and lower to hole.
In sealing of hole process, owing to there is no pressurizer, high molecular foam material be in all the time flow freely, free foaming state, enough expansion forces can not be formed, expanded material can not be made to clamp-on the original crack of drill hole wall, these cracks will become leakage path, and these leakage paths gas leak phenomenon in the extraction process in later stage is serious, causes whole gas drainage system gas extraction concentration low.
Workman is more with high molecular foam material touch opportunity in operation, and high molecular foam material easily splashes on workman's skin, and harm workman is healthy.
For the problems that this method for sealing exposes, how to maximize favourable factors and minimize unfavourable ones, both easy to use, shutoff was quick to develop one, and the hole packer that shutoff is tight is again main task of the present utility model.
Summary of the invention
In order to overcome the defect of existing high molecular foam material plugging method, the utility model is to provide a kind of can realization to implement the pouch of effective pressurize sealing of hole from swollen hole packer to the boring of sealing of hole section.
To achieve these goals, the utility model adopts following technical scheme: one draws out methane by pouch from swollen hole packer, be made up of gas drainage pipe, self-expanding generator, pressurize pouch, metal pipe collar, wherein, described pressurize pouch is divided into three parts: charge section, interlude and rear, gas drainage pipe is through pressurize pouch, and pressurize pouch two ends metal pipe collar latches on gas drainage pipe, and self-expanding generator is fixed on the gas drainage pipe in pressurize pouch charge section.
Described charge section and rear are that inside and outside bilayer is weaved cotton cloth structure, and pouch diameter is greater than bore diameter.
Described interlude is that individual layer is weaved cotton cloth structure, and pouch diameter is greater than gas drainage pipe diameter, is less than bore diameter.
Described self-expanding generator is made up of feeding bag, blowing agent bag and switch, and gas drainage pipe is through feeding bag, and the two ends adhesive tape of feeding bag is fixed on gas drainage pipe.Its breaker in middle is arranged on blowing agent bag, and blowing agent bag is fixed on the gas drainage pipe in feeding bag.
One end of described feeding bag is provided with filling exit, for pouring in liquid swellable polymer material.In blowing agent bag, blowing agent is housed, one end of blowing agent bag is provided with switch, opens switch, liquid macroimolecule expanding material is mixed with blowing agent and just can expand reaction.
What the utility model provided draws out methane by pouch from swollen hole packer, during use, workman only need open the switch of self-expanding generator, blowing agent in blowing agent bag is extruded, blowing agent is made to flow into feeding bag, then firmly rock back and forth and draw out methane by pouch from swollen hole packer, blowing agent is fully mixed with liquid macroimolecule expanding material, then will draw out methane and to connect as one rapidly from swollen hole packer and gas drainage pipe by pouch, insert the predetermined depth of boring together.Whole operating process workman need not contact liquid swellable polymer material, can not cause any harm to workman.During work, liquid macroimolecule expanding material is owing to being subject to the restriction of pressurize pouch, first in the feeding bag of self-expanding generator, reaction is expanded, when feeding bag reaches the elastic limit of self, feeding bag explosion, liquid macroimolecule expanding material flows into pressurize pouch charge section, expand and the boring of shutoff charge section, because pressurize pouch charge section adopts bilayer to weave cotton cloth structure, expanding material cannot ooze out pouch, can only flow to interlude and the rear of pressurize pouch.Expand in flowing limit, expanding material limit, when expanding material is full of pressurize pouch interlude and rear, to weave cotton cloth structure because pressurize pouch rear have employed bilayer equally, expanding material cannot ooze out pouch, and expanding material can only from having single layer structure and oozing out the interlude of good penetrability.Along with expanding material from pressurize pouch interlude constantly ooze out and continue expand, expanding material is full of whole interlude and the whole boring of shutoff, produces huge shutoff pressure simultaneously; Because pressurize pouch interlude pouch diameter is less than the diameter of boring, the expanding material flowed out directly can contact rib, makes liquid macroimolecule expanding material fill boring and cementing rib better, seals boring better.In addition, the pressurize pouch of this hole packer adopts metal pipe collar and gas drainage pipe to lock together, and guarantees that pressurize pouch can not be slided on gas drainage pipe, thus meet depthkeeping degree, the measured length shutoff requirement of hole-sealing technology in course of conveying.Because expanding material is subject to the restriction of pressurize pouch, expansion reaction can only being carried out in pressurize pouch, can not arbitrarily flow, being suitable for the sealing of hole in holing at any angle.Therefore, this to draw out methane by pouch from swollen hole packer is a easy to use, simple to operate, seals tight point-and-shoot hole packer, is not only applicable to this coal bed drilling of shutoff, is also applicable to push up, the shutoff of base plate boring.
Accompanying drawing illustrates:
Fig. 1 draws out methane by pouch from swollen hole packer structural representation;
Fig. 2 pressurize bag structure schematic diagram;
Fig. 3 self-expanding generator architecture schematic diagram;
Fig. 4 draws out methane by pouch from swollen hole packer sealing of hole effect schematic diagram.
Number in the figure illustrates:
1-gas drainage pipe; 2-self-expanding generator; 3-pressurize pouch; 4-metal pipe collar; 5-charge section; 6-interlude; 7-rear; 8-feeding bag; 9-blowing agent bag; 10-switch; 11-filling exit; 12-expanding material; 13-holes rib.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described.
As shown in Figure 1, one draws out methane by pouch from swollen hole packer, described hole packer mainly comprises gas drainage pipe 1, self-expanding generator 2, pressurize pouch 3, metal pipe collar 4 form, wherein self-expanding generator 2 is fixed on the gas drainage pipe 1 in pressurize pouch 3 charge section, gas drainage pipe 1 is through the two ends of pressurize pouch 3, and the two ends metal pipe collar 4 of pressurize pouch 3 latches on gas drainage pipe 1.
As shown in Figure 2, pressurize pouch 3 is divided into three parts: charge section 5, interlude 6 and rear 7, charge section 5 and rear 7 to be weaved cotton cloth structure for inside and outside bilayer, and pouch diameter is greater than sealed bore diameter, interlude 6 to be weaved cotton cloth structure for individual layer, pouch diameter is greater than the diameter of gas drainage pipe 1, is less than sealed bore diameter.Wherein ectonexine is weaved cotton cloth and is fire-retardant, antistatic weaving cotton cloth, and the thread count that skin is weaved cotton cloth is little, permeability is high, and internal layer is weaved cotton cloth, and thread count is large, permeability is low.The inside and outside bilayer of charge section 5 and rear 7 structure of weaving cotton cloth ensure that self-expanding material can not infiltrate in the process expanded, for sealing of hole provides necessary sealing of hole pressure, the individual layer of interlude 6 structure of weaving cotton cloth ensure that self-expanding material infiltrates smoothly in the process expanded, and can be filled by interlude 6 full smoothly.
As shown in Figure 3, self-expanding generator 2 comprises feeding bag 8, blowing agent bag 9 and switch 10, is fixed on gas drainage pipe 1 by blowing agent bag 9, puts feeding bag 8, the two ends of feeding bag 8 are fixed on gas drainage pipe 1, one end of feeding bag 8 is provided with filling exit 11, for pouring in liquid swellable polymer material, in blowing agent bag, blowing agent is housed, one end of blowing agent bag is provided with switch, open switch, blowing agent flows out and can mix with liquid macroimolecule expanding material, just can expand reaction.
In one embodiment, as shown in Figure 4, open the switch 10 of the blowing agent bag 9 in self-expanding generator 2, blowing agent flow out and feeding bag 8 in expanding material mix, and there is expansion reaction, when feeding bag 8 reaches the elastic limit of self, feeding bag 8 explosion, liquid macroimolecule expanding material flows into the charge section 5 of pressurize pouch 3, expand and shutoff charge section borehole wall 13, charge section 5 due to pressurize pouch 3 adopts bilayer to weave cotton cloth structure, and expanding material cannot ooze out pouch, can only flow to interlude 6 and the rear 7 of pressurize pouch 3.Expand in flowing limit, expanding material limit, when expanding material is full of interlude 6 and the rear 7 of pressurize pouch 3, rear 7 due to pressurize pouch 3 have employed bilayer equally and to weave cotton cloth structure, expanding material cannot ooze out pouch, and expanding material can only from having single layer structure and oozing out the interlude 6 of good penetrability.Constantly oozing out from the interlude 6 of pressurize pouch 3 along with expanding material and continue to expand, expanding material is full of whole interlude 6 the whole borehole wall 13 of shutoff, produces huge shutoff pressure simultaneously; Because pressurize pouch interlude pouch diameter is less than the diameter of boring, the expanding material flowed out directly can contact rib, makes liquid macroimolecule expanding material fill boring and cementing rib better, seals boring better.Because expanding material is subject to the restriction of pressurize pouch, expansion reaction can only being carried out in pressurize pouch, can not arbitrarily flow, being suitable for the sealing of hole in holing at any angle.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present utility model, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion all drops in protection domain of the present utility model.It will be understood by those skilled in the art that specific descriptions are above to explain the purpose of this utility model, not for limiting the utility model.Protection domain of the present utility model is by claim and equivalents thereof.
Claims (4)
1. one kind draws out methane by pouch from swollen hole packer, it is characterized in that: comprise gas drainage pipe, pressurize pouch, self-expanding generator, metal pipe collar, wherein said gas drainage pipe is through described pressurize pouch, described pressurize pouch is divided into three parts: charge section, interlude and rear, described pressurize pouch two ends metal pipe collar latches on gas drainage pipe, and described self-expanding generator is fixed on the gas drainage pipe in described pressurize pouch charge section.
2. to draw out methane by pouch from swollen hole packer as claimed in claim 1, it is characterized in that: described charge section and rear are that inside and outside bilayer is weaved cotton cloth structure, and pouch diameter is greater than bore diameter.
3. to draw out methane by pouch from swollen hole packer as claimed in claim 1 or 2, it is characterized in that: described interlude is that individual layer is weaved cotton cloth structure, and described pressurize pouch pouch diameter is greater than gas drainage pipe diameter, is less than bore diameter.
4. draw out methane as claimed in claim 1 or 2 by pouch from swollen hole packer, it is characterized in that: described self-expanding generator comprises feeding bag, blowing agent bag and switch, described gas drainage pipe is through described feeding bag, the two ends adhesive tape of described feeding bag is fixed on described gas drainage pipe, one end of described feeding bag is provided with filling exit, for pouring in liquid swellable polymer material, described blowing agent bag is fixed on the gas drainage pipe in described feeding bag, in blowing agent bag, blowing agent is housed, one end of blowing agent bag is provided with the switch opened and let out blowing agent, open switch, liquid macroimolecule expanding material is mixed with blowing agent and just can expand reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230465.6U CN204738781U (en) | 2015-04-17 | 2015-04-17 | Take out and put certainly bloated hole packer of bag for gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230465.6U CN204738781U (en) | 2015-04-17 | 2015-04-17 | Take out and put certainly bloated hole packer of bag for gas |
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| CN204738781U true CN204738781U (en) | 2015-11-04 |
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| CN201520230465.6U Active CN204738781U (en) | 2015-04-17 | 2015-04-17 | Take out and put certainly bloated hole packer of bag for gas |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687556A (en) * | 2017-09-28 | 2018-02-13 | 滨州学院 | A kind of automatic leakage-blocking negative pressure transportation pipeline configuration |
| CN107687557A (en) * | 2017-09-28 | 2018-02-13 | 滨州学院 | A kind of automatic leakage-blocking conveyance conduit structure with pressure |
| CN109334106A (en) * | 2018-10-30 | 2019-02-15 | 贵州永聚恒丰科技发展有限公司 | A kind of hole sealing bag and its production technology |
| CN109667561A (en) * | 2019-01-28 | 2019-04-23 | 重庆广创工贸有限责任公司 | A kind of dissolvant type rapid hole sealing device and method for sealing |
| CN111139045A (en) * | 2019-12-20 | 2020-05-12 | 煤炭科学技术研究院有限公司 | Gas pressure measurement drilling hole filling sealing material and using method thereof |
| CN114233202A (en) * | 2021-11-22 | 2022-03-25 | 煤炭科学技术研究院有限公司 | Drill rod with cabin capable of automatically adjusting opening and closing state along with wind pressure |
| CN114673469A (en) * | 2022-03-06 | 2022-06-28 | 辽宁兰特科技发展有限公司 | Semi-overlapping sleeve bag type gas drilling and sealing device |
-
2015
- 2015-04-17 CN CN201520230465.6U patent/CN204738781U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687556A (en) * | 2017-09-28 | 2018-02-13 | 滨州学院 | A kind of automatic leakage-blocking negative pressure transportation pipeline configuration |
| CN107687557A (en) * | 2017-09-28 | 2018-02-13 | 滨州学院 | A kind of automatic leakage-blocking conveyance conduit structure with pressure |
| CN109334106A (en) * | 2018-10-30 | 2019-02-15 | 贵州永聚恒丰科技发展有限公司 | A kind of hole sealing bag and its production technology |
| CN109667561A (en) * | 2019-01-28 | 2019-04-23 | 重庆广创工贸有限责任公司 | A kind of dissolvant type rapid hole sealing device and method for sealing |
| CN111139045A (en) * | 2019-12-20 | 2020-05-12 | 煤炭科学技术研究院有限公司 | Gas pressure measurement drilling hole filling sealing material and using method thereof |
| CN114233202A (en) * | 2021-11-22 | 2022-03-25 | 煤炭科学技术研究院有限公司 | Drill rod with cabin capable of automatically adjusting opening and closing state along with wind pressure |
| CN114233202B (en) * | 2021-11-22 | 2023-09-26 | 煤炭科学技术研究院有限公司 | Drill rod with cabin capable of automatically adjusting opening and closing states along with wind pressure |
| CN114673469A (en) * | 2022-03-06 | 2022-06-28 | 辽宁兰特科技发展有限公司 | Semi-overlapping sleeve bag type gas drilling and sealing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |