CN207795142U - Two pouches of one kind wearing formula plugging device - Google Patents
Two pouches of one kind wearing formula plugging device Download PDFInfo
- Publication number
- CN207795142U CN207795142U CN201721698524.8U CN201721698524U CN207795142U CN 207795142 U CN207795142 U CN 207795142U CN 201721698524 U CN201721698524 U CN 201721698524U CN 207795142 U CN207795142 U CN 207795142U
- Authority
- CN
- China
- Prior art keywords
- pouch
- pouches
- pipe
- hole
- 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.)
- Active
Links
Abstract
The utility model is related to coal mine gas drainage sealing of hole fields, more particularly to a kind of two pouches to wear formula plugging device comprising No.1 pouch, No. two pouches, hole-sealing grouting pipe, crack block pipe and gas drainage pipe；The hole-sealing grouting pipe and gas drainage pipe pass through No.1 pouch and No. two pouches and connect the two, when suitable for deeper drilling, No. two pouches are located at the right side of No.1 pouch, Crack Sealing plugging leading portion passes through inside No.1 pouch, rear end is located at the outside setting of No. two pouches, when for shallower drilling, No. two pouches are located at the right side of No.1 pouch, and Crack Sealing plugging is integrally located at the outside setting of No. two pouches.The utility model includes one is long and the other is short two pouches, the position of the two pouches is exchanged to adapt to the different drilling of depth degree, more effectively avoid the generation and development in sealing of hole sections drilling surrounding coal wall crack, and the utility model can also be filled minimum coalmass crevasse so that sealing of hole effect reaches best.
Description
Technical field
The utility model is related to coal mine gas drainage sealing of hole fields, more particularly to a kind of two pouches to wear formula plugging device.
Background technology
Coal bed gas extraction is the essential measure that mine administers gas, and borehole sealing is not tight, drilling gas leakage is to lead to coal mine
The low key factor of gas pumping efficiency, and then affect the overall security of mine and the utilization of mine mash gas extraction.Coal
The hole sealing technology of layer drilling is the key technique of gas pumping, and common hole sealing technology has using polyurethane, cement mortar
For " a two stifled notes " formula method for sealing, polyurethane sealing of hole method, the hole packer method for sealing of material.Wherein existing hole packer envelope
Hole and its application method include：Bag type paste hole sealing device and its method for sealing（ZL 2007 1 0054384.5）, gas pumping two
Sub-high pressure injection hole sealing device and its method for sealing（ZL 2009 1 0064186.6）, gas extraction center shunting slip casting envelope
Aperture apparatus and method for sealing（ZL 2011 1 0120920.3）, the fixed plugging device of gas pumping and its application method（ZL
2013 1 0402234.4）And gas pumping wears formula plugging device and its application method（ZL 2013 1 0405906.7）Deng,
Above-mentioned several method for sealing are that pouch is fixed on gas drainage pipe, when using the above method for sealing, sealing of hole segment length
It immobilizes, it is difficult to adjust, and " a two stifled notes " or " three stifled two notes ", the i.e. " N of whole realization drilling normally only may be implemented
+ 1 is stifled, N notes " pattern.
Invention content
The purpose of this utility model is to provide a kind of simple in structure, be easily installed operation wears the closure of two pouch of formula
Device may be implemented the adjusting of sealing of hole segment length while realize " two stifled two notes " formula borehole sealing.
The utility model is technical solution used by solving its technical problem：
A kind of two pouches wear formula plugging device, including No.1 pouch, No. two pouches, hole-sealing grouting pipe, crack block pipe and
Gas drainage pipe；The gas drainage pipe passes through No.1 pouch and No. two pouches, and is fixed with the two, No. two pouches
Length be two times of length of No.1 pouch；The hole-sealing grouting pipe is each passed through No.1 pouch using the plastic tube of two-part
It is configured with the inside of No. two pouches, the left end of every section of plastic tube installs a major diameter fast joint, passes through major diameter
Fast joint connects the head and the tail of every section of plastic tube to form hole-sealing grouting pipe, between No.1 pouch and No. two pouches
Hole-sealing grouting pipe on be provided with unidirectional pressure-sensitive overflow valve, the end of the hole-sealing grouting pipe is provided with plug；The plastic tube
Part in No.1 pouch and No. two pouches is equipped with grouting port and installs check valve on grouting port in the middle, institute
The crack stated blocks the pipe with small pipe diameter plastic tube that pipe is the caliber that caliber is less than hole-sealing grouting pipe, and the crack blocks the initiating terminal of pipe
Minor diameter fast joint is installed, the crack blocks and is additionally provided with pachydermia set on pipe, and the crack that the crack blocks pipe end blocks
Liquid grout outlet is tightly attached to the outside of No. two pouches.
Further, the No.1 pouch and No. two pouches are stitched by outer layer elasticity cloth set and internal layer elasticity cloth set
Enclosure space made of system, that close contact is gone back on the inside of the outer layer elasticity cloth set is provided with one layer of rubber sleeve with air hole,
The internal layer elasticity cloth set forms an interior ducted body with inner space, and the axis of interior ducted body and the axis of two layers of cloth set are put down
Row.
Further, the gas drainage pipe is passed through from the interior ducted body, and the No.1 pouch and No. two pouches pass through
The rope made of hemp is fixed on gas drainage pipe；The hole-sealing grouting pipe is arranged between the rubber sleeve and the internal layer elasticity cloth set,
The hole-sealing grouting pipe is fixed respectively by steel loop and No.1 pouch and No. two pouches, and fixed position takes in each pouch two
Hold top position.
Further, the crack blocks space from end two tubular iron sets of socket of pipe, covers it positioned at the two tubular iron
Between crack block pipe tube wall on there are several to be distributed neat crack liquid for plugging grout outlet.
Further, U-shaped sewing line is arranged in No. two pouch layer side edges position, and the U-shaped sewing line is with regard to No. two pouches
Axisymmetrical arrange two, and be located proximate to the space of that U-shaped sewing line and liquid for plugging grout outlet of hole-sealing grouting pipe
Position overlaps.
Preferably, No. two pouches are located on the right side of No.1 capsule, and have the long slip casting section being spaced between the two, are located at No.1
The unidirectional pressure-sensitive overflow valve is installed in plastic tube in pouch, right side by the position of proximal end, is located at the plastics of No. two pouches
Pipe, right-hand end install the plug, the drilling that the length of the plastic tube can be blocked according to the length and needs of pouch
Length be adjusted；The crack blocks interior ducted body of the leading portion across the No.1 pouch of pipe, and its rear end is tightly attached to two
The outside of number pouch is configured, and is located proximate to the hole-sealing grouting pipe.
Preferably, No. two pouches are located on the left of No.1 capsule, and have the slip casting section at short interval between the two, are located at No. two
The unidirectional pressure-sensitive overflow valve is installed in plastic tube in pouch, right side by the position of proximal end, is located at the plastics of No.1 pouch
Pipe, right-hand end install the plug, and the outside that the crack closure pipe is integrally tightly attached to No. two pouches is configured, position
Rest against the nearly hole-sealing grouting pipe.
Possessed advantageous effect is the utility model compared with prior art：The utility model include one is long and the other is short two
Pouch, the position for exchanging the two pouches are configured the brill that may make the utility model different suitable for hole sealing depth and length
Hole, and can may make the drilling of different cranny development depth that can obtain adaptable, effective closure, it more effectively avoids sealing
The generation and development in hole section drilling surrounding coal wall crack, and the present invention can also be filled minimum coalmass crevasse so that
Sealing of hole effect reaches best；The detailed design of the utility model is ingenious, the circumferential expansion residing for symmetrically arranged U-shaped sewing line
Amount is smaller, to protect liquid for plugging grout outlet is not inflated to flatten, the rubber sleeve between two layers of elastic cloth set is arranged and breathes freely, thoroughly
Water, impermeable slurry, can prevent slurries from leaking outside, in order to avoid cause the blocking of crack closure pipe；Adjustment through too small position may make envelope
It is stifled better, it is great to have promotion effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model reality（Embodiment one）.
Fig. 2 is 1# pouch schematic cross-sections（Embodiment one）.
Fig. 3 is 2# pouch schematic cross-sections（Embodiment one）.
Fig. 4 is the structural schematic diagram of the utility model（Embodiment two）.
Fig. 5 is 1# pouch schematic cross-sections（Embodiment two）.
Fig. 6 is 2# pouch schematic cross-sections（Embodiment two）.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
Embodiment one
As shown in Figs. 1-3, one kind wearing two pouch plugging device of formula, including No.1 pouch 1, No. two pouch 2, hole-sealing grouting pipe
3, crack blocks pipe 4 and gas drainage pipe 17；
The length of No. two pouches 2 is two times of the length of No.1 pouch 1, and it is right that No. two pouches 2 are located at No.1 capsule 1
Side, and have the long slip casting section 13 being spaced between the two, the No.1 pouch 1 and No. two pouches 2 are respectively by outer layer elasticity
Enclosure space made of cloth set 19 and internal layer elasticity cloth set 20 sew, the material of cloth set used need to meet permeable and impermeable slurry,
It is all to be made of other material elasticity cloth sets, and meet the pouch of feature described in the utility model in the protection domain of this patent
Interior, the one layer of rubber sleeve 12 that be provided with of close contact is gone back in the inside of the outer layer elasticity cloth set 19, is distributed on the rubber sleeve several
A minimum air hole so that rubber sleeve is breathed freely impermeable slurry, and the internal layer elasticity cloth set 20 is formed hollow in one with inner space
Body 18, the axis of interior ducted body 18 are parallel with the axis of two layers of cloth set；The gas drainage pipe 17 is from the interior ducted body 18
It passes through, at the scene when gas pumping constructing operation, the No.1 pouch and No. two pouches are fixed on gas drainage pipe by the rope made of hemp
On 17；
It states hole-sealing grouting pipe 3 and the pouch 2 of No.1 pouch 1, two the two pouches is each passed through using the plastic tube of two-part
Inside is configured, specifically, position of the hole-sealing grouting pipe 3 in No.1 pouch and No. two pouches is to be located at the rubber
Between set 12 and the internal layer elasticity cloth set 20, the left end of every section of plastic tube installs a major diameter fast joint 5, by big
Diameter fast joint 5 can connect to form hole-sealing grouting pipe 3 with every section of plastic tube, the hole-sealing grouting pipe 3 by steel loop 7 with
The two pouches of the pouch 2 of No.1 pouch 1, two are fixed up respectively, and fixed position takes the position top at each pouch both ends,
The plastic tube is located at being equipped with grouting port in the middle and pacifying on grouting port for No.1 pouch and the part in No. two pouches
If check valve 9, the plastic tube being located in No.1 pouch, right side is installed on unidirectional pressure-sensitive overflow valve 10 by the position of proximal end,
Positioned at the plastic tube of No. two pouches, right-hand end installs a plug 8, and the length of the plastic tube can be according to the length of pouch
And the length of the drilling blocked is needed to be adjusted；
The crack blocks the pipe with small pipe diameter plastic tube that pipe 4 is the caliber that caliber is less than hole-sealing grouting pipe 3, the crack envelope
The initiating terminal of plugging 4 installs minor diameter fast joint 6, and crack blocks 4 space from end of pipe and installs two tubular iron sets 15, two iron sets
Between crack block and there is the crack liquid for plugging grout outlets 16 of several small sizes, the crack to block pipe 4 on the tube wall of pipe 4 before
Section passes through the interior ducted body of No.1 pouch, the outside that crack closure 4 back segment of pipe is tightly attached to No. two pouches to be configured, position
The nearly hole-sealing grouting pipe 3 is rested against, pachydermia set 14 is additionally provided on the back segment of the crack closure pipe 4；
Sewing line 11, axis pair of the sewing line 11 with regard to No. two pouches 2 is arranged in No. two pouch outer ledges position
Claim arrangement two, and that sewing line for being located proximate to hole-sealing grouting pipe 3 is overlapped with the spatial position of liquid for plugging grout outlet 16,
The sewing line 11 is the U-shaped or V-type sewing line being applied in No. two pouches by instrument of sewing, it is intended that at No. two
When pouch is expanded because injecting slurries, the circumferential expansion amount residing for sewing line is smaller, to protect liquid for plugging grout outlet 16 not
It is flattened by the expansion of No. two pouches.
The present embodiment is suitable for the drilling of deeper sealing of hole sections and is blocked, and when use first stretches into longer No. two pouches 2
It is then No.1 pouch 1 into drilling, the slip casting section 13 of theirs between the two can be adjusted according to the hole sealing depth of drilling,
The length of adaptable every section of plastic tube for extending hole-sealing grouting pipe 3 and crack block the length of pipe 4, are then noted by sealing of hole
It starches pipe 3 and carries out slip casting, injection slurry is passed through liquid for plugging from grouting port outflow and filling borehole, finally by crack closure pipe 4 and carries out
Gap filling.
Embodiment two
As Figure 4-Figure 6, one kind wearing two pouch plugging device of formula, including No.1 pouch 1, No. two pouch 2, hole-sealing grouting pipe
3, crack blocks pipe 4 and gas drainage pipe 17；
The length of No. two pouches 2 is two times of the length of No.1 pouch 1, and it is left that No. two pouches 2 are located at No.1 capsule 1
Side, and have the slip casting section 13 at short interval between the two, the No.1 pouch 1 and No. two pouches 2 are respectively by outer layer elasticity
Enclosure space made of cloth set 19 and internal layer elasticity cloth set 20 sew, the material of cloth set used need to meet permeable and impermeable slurry,
It is all to be made of other material elasticity cloth sets, and meet the pouch of feature described in the utility model in the protection domain of this patent
Interior, the one layer of rubber sleeve 12 that be provided with of close contact is gone back in the inside of the outer layer elasticity cloth set 19, is distributed on the rubber sleeve several
A minimum air hole so that rubber sleeve is breathed freely impermeable slurry, and the internal layer elasticity cloth set 20 is formed hollow in one with inner space
Body 18, the axis of interior ducted body 18 are parallel with the axis of two layers of cloth set；The gas drainage pipe 17 is from the interior ducted body 18
It passes through, at the scene when gas pumping constructing operation, the No.1 pouch and No. two pouches are fixed on gas drainage pipe by the rope made of hemp
On 17；
It states hole-sealing grouting pipe 3 and the pouch 2 of No.1 pouch 1, two the two pouches is each passed through using the plastic tube of segmented
Inside is configured, specifically, position of the hole-sealing grouting pipe 3 in No.1 pouch and No. two pouches is to be located at the rubber
Between set 12 and the internal layer elasticity cloth set 20, the left end of every section of plastic tube installs a major diameter fast joint 5, by big
Diameter fast joint 5 can connect to form hole-sealing grouting pipe 3 with every section of plastic tube, the hole-sealing grouting pipe 3 by steel loop 7 with
The two pouches of the pouch 2 of No.1 pouch 1, two are fixed up respectively, and fixed position takes the position top at each pouch both ends,
The plastic tube is located at being equipped with grouting port in the middle and pacifying on grouting port for No.1 pouch and the part in No. two pouches
If check valve 9, the plastic tube being located in No. two pouches, right side is installed on unidirectional pressure-sensitive overflow valve 10 by the position of proximal end,
Positioned at the plastic tube of No.1 pouch, right-hand end installs a plug 8, and the length of the plastic tube can be according to the length of pouch
And the length of the drilling blocked is needed to be adjusted；
The crack blocks the pipe with small pipe diameter plastic tube that pipe 4 is the caliber that caliber is less than hole-sealing grouting pipe 3, the crack envelope
The initiating terminal of plugging 4 installs minor diameter fast joint 6, and crack blocks 4 space from end of pipe and installs two tubular iron sets 15, two iron sets
Between crack block on the tube wall of pipe 4 and have the crack liquid for plugging grout outlets 16 of several small sizes, it is whole that the crack blocks pipe
The outside that body 4 is tightly attached to No. two pouches is configured, and is located proximate to the hole-sealing grouting pipe 3, and the crack blocks on pipe 4 also
It is provided with pachydermia set 14；
Sewing line 11, axis pair of the sewing line 11 with regard to No. two pouches 2 is arranged in No. two pouch outer ledges position
Claim arrangement two, and that sewing line for being located proximate to hole-sealing grouting pipe 3 is overlapped with the spatial position of liquid for plugging grout outlet 16,
The sewing line 11 is the U-shaped or V-type sewing line being applied in No. two pouches by instrument of sewing, it is intended that at No. two
When pouch is expanded because injecting slurries, the circumferential expansion amount residing for sewing line is smaller, to protect liquid for plugging grout outlet 16 not
It is flattened by the expansion of No. two pouches.
The present embodiment is suitable for shallower sealing of hole sections drilling and is blocked, in use, shorter No.1 pouch 2 is first stretched into
It is then longer No. two pouches 2, the interval 13 of theirs between the two can be adjusted according to the hole sealing depth of drilling into drilling
Section, the length of adaptable every section of plastic tube for shortening hole-sealing grouting pipe 3 and crack block the length of pipe 4, then pass through envelope
Hole Grouting Pipe 3 carries out slip casting, and injection slurry blocks pipe 4 by grouting port outflow and filling borehole, finally by crack and is passed through closure
Liquid carries out gap filling.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any person skilled in the art are not departing within the scope of technical solutions of the utility model, when using the disclosure above
Technology contents make change or modify equivalent variations equivalent embodiment, as long as being without departing from technical solutions of the utility model
Content is still within the scope of the technical solutions of the present invention.
Claims (7)
1. a kind of two pouches wear formula plugging device, which is characterized in that including No.1 pouch, No. two pouches, hole-sealing grouting pipe, crack
Block pipe and gas drainage pipe；The gas drainage pipe passes through No.1 pouch and No. two pouches, and is fixed with the two, described
The length of No. two pouches is two times of the length of No.1 pouch；The hole-sealing grouting pipe is each passed through using the plastic tube of two-part
The inside of No.1 pouch and No. two pouches is configured, and the left end of every section of plastic tube installs a major diameter fast joint, is led to
It crosses major diameter fast joint to connect the head and the tail of every section of plastic tube to form hole-sealing grouting pipe, is located at No.1 pouch and No. two capsules
It is provided with unidirectional pressure-sensitive overflow valve on hole-sealing grouting pipe between bag, the end of the hole-sealing grouting pipe is provided with plug；It is described
Plastic tube is located at being equipped with grouting port in the middle and installing list on grouting port for No.1 pouch and the part in No. two pouches
To valve, the crack blocks the pipe with small pipe diameter plastic tube that pipe is the caliber that caliber is less than hole-sealing grouting pipe, and the crack blocks pipe
Initiating terminal install minor diameter fast joint, the crack blocks and is additionally provided with pachydermia set on pipe, and the crack blocks pipe end
Crack liquid for plugging grout outlet is tightly attached to the outside of No. two pouches.
2. a kind of two pouch according to claim 1 wears formula plugging device, which is characterized in that the No.1 pouch and two
Number pouch is respectively the enclosure space made of outer layer elasticity cloth set and the sewing of internal layer elasticity cloth set, the outer layer elasticity cloth set
Inside go back the one layer of rubber sleeve with air hole that be provided with of close contact, the internal layer elasticity cloth set forms one with inner space
Interior ducted body, the axis of interior ducted body are parallel with the axis of two layers of cloth set.
3. a kind of two pouch according to claim 2 wears formula plugging device, which is characterized in that the gas drainage pipe is from institute
It states and is passed through in interior ducted body, the No.1 pouch and No. two pouches are fixed on by the rope made of hemp on gas drainage pipe；The sealing of hole note
Pipe is starched to be arranged between the rubber sleeve and the internal layer elasticity cloth set, the hole-sealing grouting pipe by steel loop and No.1 pouch and
No. two pouches are fixed respectively, and fixed position takes the position top at each pouch both ends.
4. a kind of two pouch according to claim 3 wears formula plugging device, which is characterized in that the crack blocks the end of pipe
End interval is socketed two tubular iron sets, has several distributions on the tube wall that the crack between the two tubular iron set blocks pipe
Neat crack liquid for plugging grout outlet.
5. a kind of two pouch according to claim 4 wears formula plugging device, which is characterized in that No. two pouch outer layers side
Sewing line is arranged in edge position, and the sewing line arranges two with regard to the axisymmetrical of No. two pouches, and is located proximate to hole-sealing grouting pipe
That sewing line overlapped with the spatial position of liquid for plugging grout outlet, the sewing line be U-shaped or V-type.
6. a kind of two pouch according to claim 5 wears formula plugging device, which is characterized in that No. two pouches are located at one
On the right side of number capsule, and there is the long slip casting section being spaced between the two, the plastic tube being located in No.1 pouch, the position of proximal end is leaned on right side
It sets and installs the unidirectional pressure-sensitive overflow valve, be located at the plastic tube of No. two pouches, right-hand end installs the plug, described
The length for the drilling that the length of plastic tube can be blocked according to the length and needs of pouch is adjusted；The crack blocks pipe
Leading portion passes through the interior ducted body of the No.1 pouch, and the outside that No. two pouches are tightly attached in its rear end is configured, is located proximate to
The hole-sealing grouting pipe.
7. a kind of two pouch according to claim 5 wears formula plugging device, which is characterized in that No. two pouches are located at one
On the left of number capsule, and there is the slip casting section at short interval between the two, the position of proximal end is leaned on the plastic tube being located in No. two pouches, right side
It sets and installs the unidirectional pressure-sensitive overflow valve, be located at the plastic tube of No.1 pouch, right-hand end installs the plug, described
The outside that crack closure pipe is integrally tightly attached to No. two pouches is configured, and is located proximate to the hole-sealing grouting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721698524.8U CN207795142U (en) | 2017-12-08 | 2017-12-08 | Two pouches of one kind wearing formula plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721698524.8U CN207795142U (en) | 2017-12-08 | 2017-12-08 | Two pouches of one kind wearing formula plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795142U true CN207795142U (en) | 2018-08-31 |
Family
ID=63283443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721698524.8U Active CN207795142U (en) | 2017-12-08 | 2017-12-08 | Two pouches of one kind wearing formula plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795142U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139063A (en) * | 2018-10-17 | 2019-01-04 | 中铁十二局集团有限公司 | Constructing tunnel film bag Grouting Pipe structure and slip casting lithification construction method |
| CN109281695A (en) * | 2018-12-03 | 2019-01-29 | 赵国柱 | The hollow grouting anchor body of rod |
| CN110608012A (en) * | 2019-08-30 | 2019-12-24 | 贵州大学 | Gas hole packer with pressure relief function |
-
2017
- 2017-12-08 CN CN201721698524.8U patent/CN207795142U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139063A (en) * | 2018-10-17 | 2019-01-04 | 中铁十二局集团有限公司 | Constructing tunnel film bag Grouting Pipe structure and slip casting lithification construction method |
| CN109281695A (en) * | 2018-12-03 | 2019-01-29 | 赵国柱 | The hollow grouting anchor body of rod |
| CN110608012A (en) * | 2019-08-30 | 2019-12-24 | 贵州大学 | Gas hole packer with pressure relief function |
| CN110608012B (en) * | 2019-08-30 | 2021-11-12 | 贵州大学 | Gas hole packer with pressure relief function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107989571A (en) | One kind wears three pouch plugging device of formula and its application method | |
| CN207795142U (en) | Two pouches of one kind wearing formula plugging device | |
| CN206513338U (en) | A kind of slip casting type hole packer of new blocked gas drainage hole | |
| CN103075128B (en) | A kind of method for sealing of mash gas pumping drilling | |
| CN208122817U (en) | Deep fractures mash gas pumping drilling two blocks up one row's hole sealing device of a note | |
| CN108119094A (en) | Deep fractures mash gas pumping drilling two blocks up one row's hole sealing device of a note and application method | |
| CN105696967A (en) | Mining hole packer and hole packing method | |
| CN102678083A (en) | Grouting method and grouting device | |
| CN108678721A (en) | Packaged type hydraulic fracturing and injection hole sealing integrated apparatus and its construction method | |
| CN204080734U (en) | The cofferdam of a kind of geotextile tube bag and formation thereof or dykes and dams | |
| CN204476353U (en) | A kind of mash gas pumping drilling plugging device | |
| CN103527242B (en) | A kind of double-deck Dilated rubber hose combining gas drainage plugging method with pressure and application thereof | |
| CN110469290A (en) | Leakproof two-stage water injection packer | |
| CN102966371B (en) | Drainage borehole plugging device and method | |
| CN102767389A (en) | Hole packer for drawing out gas and injecting slurry | |
| CN102966329B (en) | Drainage borehole plugging device and method | |
| CN109838274A (en) | The suitable seam inclination drilling gas controlling device and method taken out after note before a kind of | |
| CN208982010U (en) | A kind of hole packer special multichannel Grouting Pipe | |
| CN109184616A (en) | Double-hole tube grouting plugging device and its application method | |
| CN207485402U (en) | A kind of fluid filling hole sealing device | |
| CN205638486U (en) | It strains drainage slip casting membrane bag hole sealing constructional device to be arranged in control to gush gushing water slip casting | |
| CN115898321A (en) | Hole sealing device for mining drilled gas extraction anti-collapse hole and using method thereof | |
| CN106677740B (en) | A kind of underground coal mine one-part form water sealing device and its encapsulating method | |
| CN105735939B (en) | Mash gas extraction backfills pouch slip casting type hole packer and application method with drilling cuttings | |
| CN205477523U (en) | Novel grouting hole packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |