CN105715230B - Ooze paddle list pouch injection hole sealing device and its method for sealing in middle part - Google Patents
Ooze paddle list pouch injection hole sealing device and its method for sealing in middle part Download PDFInfo
- Publication number
- CN105715230B CN105715230B CN201610215651.1A CN201610215651A CN105715230B CN 105715230 B CN105715230 B CN 105715230B CN 201610215651 A CN201610215651 A CN 201610215651A CN 105715230 B CN105715230 B CN 105715230B
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- China
- Prior art keywords
- slip casting
- hole
- pipe
- grouting
- sealing
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 79
- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007569 slipcasting Methods 0.000 claims abstract description 80
- 239000002002 slurry Substances 0.000 claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 14
- 239000003245 coal Substances 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 11
- 210000004911 serous fluid Anatomy 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
- 239000011440 grout Substances 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004047 hole gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
Paddle list pouch injection hole sealing device and its method for sealing are oozed in middle part, and paddle list pouch injection hole sealing device is oozed at middle part includes recyclable Grouting Pipe, slip casting pipe joint, preceding gas pumping pipe, after gas drainage tube, drainage system, double-hole tube, pressure-control valve, expansion bushing and expansion pouch.Recyclable Grouting Pipe is connected by drainage system with the slip casting passage of double-hole tube, before hole sealing device is enclosed on by drainage system during use on gas pumping pipe, expansion plugging drilling after slurry is filled to hole sealing device slip casting, expansion bushing, expansion pouch by recyclable Grouting Pipe.The present invention can realize the more effective injection hole sealing that drilled to sealing of hole sections, preferably prevent the generation and development of sealing of hole sections drilling surrounding gas leakage crack, additionally provide the method for sealing that paddle list pouch injection hole sealing device is oozed using above-mentioned middle part, this method makes to produce the region of high stress around sealing of hole sections drilling, the gas permeability of sealing of hole sections drilling surrounding medium is reduced, realizes the purpose that effective injection hole sealing is carried out to sealing of hole sections drilling.
Description
Technical field
The invention belongs to coal mine gas extraction drill hole technical field, more particularly to a kind of middle part to ooze paddle list pouch slip casting envelope
Aperture apparatus and its method for sealing.
Background technology
This coal bed gas extraction of underground coal mine drilling depth typically 50 meters even hundreds of meters, the spacing of aperture one of only adjusting the distance
From a certain section drilling carry out sealing of hole, be difficult in addition to inclined drill using direct slip casting method carry out sealing of hole, extraction borehole
Sealing of hole point permanent sealing of hole and provisional sealing of hole.At present, the permanent sealing of hole of known this coal bed gas extraction drilling be with
Polyurathamc, foam cement and other expanded materials are as sealing material, " cement hole sealing device " of early stage
(ZL90227075.3) no longer use, the direct boring method that drills is only applicable to inclined drill, domestic at present generally using foaming
Polyurethane material sealing of hole.At present, the provisional sealing of hole of known coal-face firedamp taking-out discharging drilling uses reusable machinery
Hole sealing device sealing of hole, if patent name is " down-hole gas sucking releasing inflation bag hole sealing device "（ZL94209078.0）, gum cover
Expansion type " coal rock layer drilling and sealing device "（ZL200420010782.9）Deng.At present, patent name is " bag type paste injection hole sealing
Device and its method for sealing "（ZL200710054384.5）" shunting-type grouting plugging device for gas extraction center and its sealing of hole
Method "（ZL201110120920.3）All get good sealing of hole effect, but release and coal with coal body Elastic latent energy
The reduction of gas pressure in layer so that drilling surrounding space is gradually developed, expanded, and coal bed drilling sealing of hole can not be made tight, there is leakage
Gas phenomenon produces, it is difficult to keeps grouting pressure, is unable to reach preferable sealing of hole effect.In addition, different coal mine underground coal bed geology
, often there is phenomena such as collapse hole in the difference of condition, and the hole sealing device for causing to be relatively large in diameter can not be inserted smoothly in coal bed drilling, this
All exerted a certain influence a bit to sealing of hole.And hole sealing device before is all double pouches, processing is more complicated, and cost is relatively
It is high.
The content of the invention
The present invention is in order to solve weak point of the prior art, there is provided one kind can be realized to be implemented more to sealing of hole sections drilling
Effective injection hole sealing, preferably prevent from oozing paddle list pouch note in the middle part of the generation and development of sealing of hole sections drilling surrounding gas leakage crack
Starch hole sealing device and its method for sealing.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Ooze paddle list pouch injection hole sealing dress in middle part
Put, including recyclable Grouting Pipe, slip casting pipe joint, preceding gas pumping pipe, after gas drainage tube, drainage system, double-hole tube and swollen
Swelling lining set, double-hole tube front end are connected with preceding gas pumping pipe rear end by drainage system, double-hole tube rear end and after gas drainage tube
Front end passes through rear clamp connection；Diplopore in double-hole tube is respectively slip casting passage and extraction passage, and extraction passage rear and front end is divided
Do not connected with preceding gas pumping pipe and after gas drainage tube, expansion bushing is cylindrical and inner hollow, on expansion bushing uniformly
It is provided with several exhausts and oozes slurry hole, circumference and axial direction evenly distributed, expansion bushing of the slurry hole along expansion bushing surface is oozed in exhaust
Outer cover is provided with expansion pouch, and the front edge for expanding pouch and expansion bushing compresses that to be sealed in double-hole tube cylindrical by preceding steel loop
Zhou Shang, the back edge for expanding pouch and expansion bushing are sealed on after gas drainage tube excircle by rear steel loop compression, drawn
Stream device is coaxial to be located on the outside of preceding gas pumping pipe, and drainage system front end passes through slip casting pipe joint and recyclable Grouting Pipe rear end
Connection, drainage system rear end connect with the slip casting channel front portion of double-hole tube, and the slip casting passage in double-hole tube is inside expansion pouch
Offer grout outlet；The slip casting passage of double-hole tube is provided with pressure-control valve, and pressure-control valve is located at drainage system and preceding steel loop
Between.
Drainage tube before drainage system includes preceding clip and is located on the outside of clip, the front end of drainage tube is provided with to be connect with Grouting Pipe
The slip casting connector of head connection, drainage tube rear end and preceding clip sidepiece are correspondingly provided with the stock inlet connected with slip casting passage, enter slurry
Mouth is in front of preceding steel loop.
Pin-and-hole is provided with drainage tube in left-right direction, slip casting pipe joint rear end is plugged in drainage tube and by being plugged in pin
Shear pin in hole is sealedly and fixedly connected with drainage tube；Slip casting pipe joint front end is plugged in recyclable Grouting Pipe, recyclable note
Starch pipe rear portion and sealed connection is compressed by clamping sleeve and slip casting pipe joint.
Rear and front end in the slip casting passage of double-hole tube is equipped with leak stopping cement or plugging block.
After gas drainage tube rear end is connected with screen cloth pipe.
The method for sealing of paddle list pouch injection hole sealing device is oozed at middle part, comprises the following steps：
（1）, in the rear end of after gas drainage tube connect screen cloth pipe, the slip casting pipe joint that recyclable Grouting Pipe is connected inserts
In the slip casting connector of drainage tube, shear pin is inserted in pin-and-hole and fixes slip casting pipe joint；
（2）, middle part oozed to paddle list pouch injection hole sealing device insert coal bed drilling together with recyclable Grouting Pipe and close
Suitable hole sealing depth；
（3）, the front end of recyclable Grouting Pipe is connected with external grouting pump, and check the pressure on grouting pump and grouting pump
Whether table is normal, prepares grouting serous fluid；
（4）, the pulp-inlet pipe of grouting pump is inserted into grouting serous fluid, start grouting pump and proceed by injection hole sealing, slip casting
Pressure is stepped up, and grouting serous fluid is via grouting pump-recyclable Grouting Pipe-slip casting pipe joint-drainage tube-stock inlet-note
Passage-grout outlet-expansion bushing is starched, expansion bushing enters slurry expansion, and the increase of slurry hole is oozed in exhaust, and fraction slurries ooze slurry by exhaust
Hole enters expansion pouch, penetrates into drilling surrounding cracks in coal seam, when reaching predetermined grouting pressure, closes grouting pump and stops note
Slurry；
（5）, firmly pull out recyclable Grouting Pipe, slip casting pipe joint cuts shear pin, recovery slip casting pipe joint with it is recyclable
Grouting Pipe, injection hole sealing operation are finished, and slip casting pipe joint, recyclable Grouting Pipe and grouting pump are cleaned, treat next sealing of hole
When use.
Using above-mentioned technical proposal, the present invention has the following technical effect that：
1st, the present invention enormously simplify the knot of hole sealing device using the double-hole tube for integrating extraction passage and slip casting passage
Structure, the shortcomings that needing to set slip casting passage, volume big, complicated in addition in the prior art is overcome, is adapted to different coals
Coal seam geological condition under mine, convenient operation, improves operating efficiency, can realize the more effective slip casting envelope that drilled to sealing of hole sections
It is stifled, the generation and development in sealing of hole sections drilling surrounding rib crack are more effectively avoided, and minimum coalmass crevasse can also be entered
Row filling so that sealing of hole effect reaches optimal.
2nd, for the present invention using expansion bushing is set inside expansion pouch, expansion bushing can support fixed expansion pouch, swollen
Swelling lining is put oozes slurry hole provided with exhaust, and grouting serous fluid, which can be oozed from exhaust in slurry hole, enters expansion pouch, after gas drainage tube
Rear end is connected with screen cloth pipe, and the impurity such as the rubble coal cinder in drilling can be avoided to enter.The structural material and slip casting material of the present invention
Material intensity does not influence coal-winning machine coal cutting, and spark will not be produced during coal cutting operation, exploitation that can efficiently, safe.
3rd, slip casting passage both ends of the invention are blocked using leak stopping cement or plugging block, avoid grouting serous fluid from leaking
Go out, it is ensured that grouting pressure keeps constant, lifts sealing of hole effect, uses shear pin to fix slip casting pipe joint in drainage tube, work as slip casting
After sealing of hole, recyclable Grouting Pipe and slip casting pipe joint are firmly extracted, it is reusable after cleaning.
4th, pressure-control valve can control grouting pressure in expansion pouch, while ensure expansion pouch safety, work as swelling bag
When bag grouting pressure reaches the setting pressure of pressure-control valve, pressure-control valve is opened, and plays safe valve action, prevents swelling bag
Bag in grouting pressure it is too high and cause expand pouch rupture.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the structural representation of drainage system in Fig. 1；
Fig. 4 is B-B sectional views in Fig. 3.
Embodiment
As Figure 1-Figure 4, paddle list pouch injection hole sealing device is oozed at middle part of the invention, including recyclable Grouting Pipe 1,
Slip casting pipe joint 2, preceding gas pumping pipe 3, after gas drainage tube 4, drainage system 5, double-hole tube 6 and expansion bushing 7, double-hole tube 6
Front end is connected with the preceding rear end of gas pumping pipe 3 by drainage system 5, and the rear end of double-hole tube 6 passes through rear with the front end of after gas drainage tube 4
Clip 18 connects；Diplopore in double-hole tube 6 is respectively slip casting passage 10 and extraction passage 11, and the rear and front end of extraction passage 11 is distinguished
Connected with preceding gas pumping pipe 3 and after gas drainage tube 4, expansion bushing 7 is cylindrical and inner hollow, on expansion bushing 7
Even to be provided with several exhausts and ooze slurry hole 12, circumference of the slurry hole 12 along the surface of expansion bushing 7 and axially evenly distributed is oozed in exhaust, swollen
Swelling lining covers 7 outer covers and is provided with expansion pouch 8, and the front edge for expanding pouch 8 and expansion bushing 7 is sealed by preceding steel loop 14 compression
On the excircle of double-hole tube 6, the back edge for expanding pouch 8 and expansion bushing 7 is sealed in after gas by rear steel loop 15 compression
On the excircle of drainage tube 4, drainage system 5 is coaxial to be located at the preceding outside of gas pumping pipe 3, and the front end of drainage system 5 passes through Grouting Pipe
Joint 2 is connected with the recyclable rear end of Grouting Pipe 1, and the rear end of drainage system 5 connects with the front portion of slip casting passage 10 of double-hole tube 6, diplopore
The slip casting passage 10 of pipe 6 offers grout outlet 17 inside expansion pouch 8；The slip casting passage 10 of double-hole tube 6 is provided with pressure control
Valve 19 processed, pressure-control valve 19 is between drainage system 5 and preceding steel loop 14.
The drainage tube 5-1 in the outside of clip 9 before drainage system 5 includes preceding clip 9 and is located at, drainage tube 5-1 front end is provided with
The slip casting connector 5-2 being connected with slip casting pipe joint 2, drainage tube 5-1 rear ends and the sidepiece of preceding clip 9 are correspondingly provided with and slip casting passage
The stock inlet 5-3 of 10 connections, stock inlet 5-3 are positioned at the preceding front of steel loop 14.
Pin-and-hole is provided with drainage tube 5-1 in left-right direction, the rear end of slip casting pipe joint 2 is plugged in drainage tube 5-1 and passed through
The shear pin 20 being plugged in pin-and-hole is sealedly and fixedly connected with drainage tube 5-1；The front end of slip casting pipe joint 2 is plugged in recyclable slip casting
In pipe 1, the recyclable rear portion of Grouting Pipe 1 is compressed by clamping sleeve and slip casting pipe joint 2 and is tightly connected.
Rear and front end in the slip casting passage 10 of double-hole tube 6 is equipped with leak stopping cement or plugging block 13.
The rear end of after gas drainage tube 4 is connected with screen cloth pipe.
Paddle slip-casting hole-sealing method is oozed at the middle part of the present invention, comprises the following steps：
（1）, after gas drainage tube 4 rear end connect screen cloth pipe, the slip casting pipe joint 2 that recyclable Grouting Pipe 1 is connected
Insert in drainage tube 5-1 slip casting connector 5-2, shear pin 20 is inserted in pin-and-hole and fixes slip casting pipe joint 2；
（2）, middle part oozed to paddle list pouch injection hole sealing device closed together with recyclable Grouting Pipe 1 insertion coal bed drilling
Suitable hole sealing depth；
（3）, the front end of recyclable Grouting Pipe 1 is connected with external grouting pump, and check the pressure on grouting pump and grouting pump
Whether power table is normal, prepares grouting serous fluid,；
（4）, the pulp-inlet pipe of grouting pump is inserted into grouting serous fluid, start grouting pump and proceed by injection hole sealing, slip casting
Pressure is stepped up, grouting serous fluid via grouting pump-2-drainage system of recyclable Grouting Pipe 1-slip casting pipe joint 5-enter slurry
Mouth 5-3-17-expansion bushing of slip casting 10-grout outlet of passage 7, expansion bushing 7 enter slurry expansion, and exhaust is oozed slurry hole 12 and increased, portion
Point slurries ooze slurry hole by exhaust and enter expansion pouch 8, penetrate into drilling surrounding cracks in coal seam, when reaching predetermined grouting pressure
When, close grouting pump and stop slip casting；
（5）, firmly pull out recyclable Grouting Pipe 1, slip casting pipe joint 2 cuts shear pin 20, recovery slip casting pipe joint 2 with can
Grouting Pipe 1 is reclaimed, injection hole sealing operation finishes, slip casting pipe joint 2, recyclable Grouting Pipe 1 and grouting pump are cleaned, treated down
Used during secondary sealing of hole.
Above example is only to illustrative and not limiting technical scheme, although with reference to above-described embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that：Still the present invention can be modified or be waited
With replacing, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should cover the power in the present invention
Among sharp claimed range.
Claims (6)
1. paddle list pouch injection hole sealing device is oozed at middle part, it is characterised in that：Including recyclable Grouting Pipe, slip casting pipe joint, preceding
After gas pumping pipe, after gas drainage tube, drainage system, double-hole tube and expansion bushing, double-hole tube front end and preceding gas pumping pipe
End is connected by drainage system, and double-hole tube rear end passes through rear clamp connection with after gas drainage tube front end；Diplopore in double-hole tube
Respectively slip casting passage and extraction passage, extraction passage rear and front end connect with preceding gas pumping pipe and after gas drainage tube respectively
Logical, expansion bushing is cylindrical and inner hollow, and being evenly arranged with several exhausts on expansion bushing oozes slurry hole, and slurry hole is oozed in exhaust
Evenly distributed along the circumference and axial direction on expansion bushing surface, expansion bushing outer cover is provided with expansion pouch, expands pouch and expansion
The front edge of bushing is compressed by preceding steel loop and is sealed on double-hole tube excircle, expands the back edge of pouch and expansion bushing
Being compressed and be sealed on after gas drainage tube excircle by rear steel loop, drainage system is coaxial to be located on the outside of preceding gas pumping pipe,
Drainage system front end is connected by slip casting pipe joint with recyclable Grouting Pipe rear end, and the slip casting of drainage system rear end and double-hole tube is led to
Road is anterior to be connected, and the slip casting passage in double-hole tube offers grout outlet inside expansion pouch；Set on the slip casting passage of double-hole tube
There is pressure-control valve, pressure-control valve is between drainage system and preceding steel loop.
2. paddle list pouch injection hole sealing device is oozed at middle part according to claim 1, it is characterised in that：Drainage system includes
Preceding clip and the drainage tube being located on the outside of preceding clip, the front end of drainage tube are provided with the slip casting connector being connected with slip casting pipe joint,
Drainage tube rear end and preceding clip sidepiece are correspondingly provided with the stock inlet connected with slip casting passage, and stock inlet is located in front of preceding steel loop.
3. paddle list pouch injection hole sealing device is oozed at middle part according to claim 2, it is characterised in that：Along a left side on drainage tube
Right direction is provided with pin-and-hole, and slip casting pipe joint rear end is plugged in drainage tube and shear pin and drainage tube by being plugged in pin-and-hole
It is sealedly and fixedly connected；Slip casting pipe joint front end is plugged in recyclable Grouting Pipe, recyclable Grouting Pipe rear portion by clamping sleeve with
Slip casting pipe joint, which compresses, to be tightly connected.
4. paddle list pouch injection hole sealing device is oozed at middle part according to claim 1 or 2, it is characterised in that：Double-hole tube
Rear and front end in slip casting passage is equipped with leak stopping cement or plugging block.
5. paddle list pouch injection hole sealing device is oozed at middle part according to claim 3, it is characterised in that：After gas drainage tube
Rear end is connected with screen cloth pipe.
6. the method for sealing of paddle list pouch injection hole sealing device is oozed at middle part according to claim 5, it is characterised in that：Bag
Include following steps：
（1）, in the rear end of after gas drainage tube connect screen cloth pipe, the slip casting pipe joint that recyclable Grouting Pipe is connected inserts drainage
In the slip casting connector of pipe, shear pin is inserted in pin-and-hole and fixes slip casting pipe joint；
（2）, middle part is oozed to paddle list pouch injection hole sealing device, and together with recyclable Grouting Pipe to insert coal bed drilling suitable
Hole sealing depth；
（3）, the front end of recyclable Grouting Pipe is connected with external grouting pump, and check that the pressure gauge on grouting pump and grouting pump is
It is no normal, prepare grouting serous fluid；
（4）, the pulp-inlet pipe of grouting pump is inserted into grouting serous fluid, start grouting pump and proceed by injection hole sealing, grouting pressure
It is stepped up, grouting serous fluid leads to via grouting pump-recyclable Grouting Pipe-slip casting pipe joint-drainage tube-stock inlet-slip casting
Road-grout outlet-expansion bushing, expansion bushing enter slurry expansion, and the increase of slurry hole is oozed in exhaust, and fraction slurries ooze slurry hole by exhaust and entered
Enter and expand pouch, penetrate into drilling surrounding cracks in coal seam, when reaching predetermined grouting pressure, close grouting pump and stop slip casting；
（5）, firmly pull out recyclable Grouting Pipe, slip casting pipe joint cuts shear pin, recovery slip casting pipe joint and recyclable slip casting
Pipe, injection hole sealing operation finish, slip casting pipe joint, recyclable Grouting Pipe and grouting pump are cleaned, made when next sealing of hole
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215651.1A CN105715230B (en) | 2016-04-08 | 2016-04-08 | Ooze paddle list pouch injection hole sealing device and its method for sealing in middle part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215651.1A CN105715230B (en) | 2016-04-08 | 2016-04-08 | Ooze paddle list pouch injection hole sealing device and its method for sealing in middle part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105715230A CN105715230A (en) | 2016-06-29 |
| CN105715230B true CN105715230B (en) | 2018-04-03 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610215651.1A Expired - Fee Related CN105715230B (en) | 2016-04-08 | 2016-04-08 | Ooze paddle list pouch injection hole sealing device and its method for sealing in middle part |
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| Country | Link |
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| CN (1) | CN105715230B (en) |
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| CN107939333B (en) * | 2018-01-10 | 2020-02-18 | 河南理工大学 | Multistage pressure-bearing type permeable hole sealing method and device |
| 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 |
| CN110056327B (en) * | 2019-04-29 | 2021-09-10 | 中煤科工集团西安研究院有限公司 | Multi-channel hole sealing device, hole sealing assembly and automatic hole sealing method |
| CN110130852B (en) * | 2019-05-17 | 2021-08-27 | 河南理工大学 | Sleeve-through type single-bag secondary grouting hole sealing device and hole sealing method |
| CN110159224A (en) * | 2019-05-17 | 2019-08-23 | 河南理工大学 | Three pouches block integral type hole sealing device and method for sealing |
| CN110159226A (en) * | 2019-06-19 | 2019-08-23 | 贵州盘江精煤股份有限公司 | A kind of gas control provided pipe fast plugging device |
| CN111561291B (en) * | 2020-05-06 | 2022-04-08 | 太原理工大学 | Double-layer extrusion type hole sealing device and method for gas extraction drill hole |
| CN111927527B (en) * | 2020-08-12 | 2022-05-17 | 宿州市金鼎安全技术股份有限公司 | Quick gas drilling and extraction device |
| CN113107419B (en) * | 2021-05-07 | 2022-12-13 | 永城煤电控股集团有限公司 | Colliery drilling hole sealing device |
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| CN105715230A (en) | 2016-06-29 |
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