CN107100583A - A kind of fast hard mining hole packer of filter-press type and its application method - Google Patents
A kind of fast hard mining hole packer of filter-press type and its application method Download PDFInfo
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- CN107100583A CN107100583A CN201710322982.XA CN201710322982A CN107100583A CN 107100583 A CN107100583 A CN 107100583A CN 201710322982 A CN201710322982 A CN 201710322982A CN 107100583 A CN107100583 A CN 107100583A
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- fiber
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- 238000005065 mining Methods 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 189
- 238000007789 sealing Methods 0.000 claims abstract description 132
- 150000001875 compounds Chemical class 0.000 claims abstract description 77
- 239000002002 slurry Substances 0.000 claims abstract description 65
- 238000005553 drilling Methods 0.000 claims abstract description 56
- 238000002347 injection Methods 0.000 claims abstract description 32
- 239000007924 injection Substances 0.000 claims abstract description 32
- 239000002360 explosive Substances 0.000 claims abstract description 26
- 238000011049 filling Methods 0.000 claims abstract description 8
- 239000003245 coal Substances 0.000 claims description 51
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000005086 pumping Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 12
- 238000007569 slipcasting Methods 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 9
- 239000011440 grout Substances 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- 239000011398 Portland cement Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 7
- 239000002775 capsule Substances 0.000 claims description 7
- 239000002657 fibrous material Substances 0.000 claims description 7
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 229920002334 Spandex Polymers 0.000 claims description 4
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 239000004759 spandex Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000011799 hole material Substances 0.000 description 165
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 241000555268 Dendroides Species 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007712 rapid solidification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21B33/12—Packers; Plugs
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
- E21B33/1285—Packers; Plugs with a member expanded radially by axial pressure by fluid pressure
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention belongs to plugging device technical field, a kind of fast hard mining hole packer of filter-press type and its application method are disclosed.It is mainly characterized in that:Including gas drainage pipe body, the outer wall of the gas drainage pipe body is provided with preceding fiber pouch, rear fiber pouch, Grouting Pipe, the slurry that overflows and managed, Grouting Pipe is provided with preceding straight pipe, explosive valve, rear straight pipe, the mining mixing-filling system that Grouting Pipe afterbody is constituted with portable pneumatic agitator and Pneumatic injection pump for mine is connected, and mining sealing of hole PP Pipe Compound is provided with portable pneumatic agitator.The fast hard mining hole packer of this filter-press type, on the one hand can be filled the crack around drilling, eliminate the leakage path formed during perforate, eliminate leakage path at initial stage;On the other hand drilling can be made to obtain reliable supporting, it is ensured that the stabilization of drilling, makes no longer to produce new leakage path around drilling, it is to avoid the generation and development of later stage leakage path.Its method is simple, is adapted to various drillings, and sealing of hole effect is good.
Description
Technical field
The invention belongs to coal mine gas extraction drill hole hole sealing technology field, more particularly to a kind of fast hard mining sealing of hole of filter-press type
Device and its application method.
Background technology
It is to have a strong impact on one of big factors of coal mine production safety that coal-bed gas, which is protruded, and gas pumping is that coal mine gas is controlled
The essential measure and main path managed and utilized, the quality of drilling gas extracting result, except the reasonable Arrangement of drilling, mainly
The sealing quality of drilling orifice.Conventional mash gas pumping drilling hole sealing technology includes directly sealing using organic material or inorganic material
It is stifled.Direct plugging method includes the artificial sealing of hole of clay, mechanic water injection cement mortar sealing of hole, foaming polymeric materials sealing of hole.Clay sealing of hole side
Method sealed borehole length is shorter, and yellow mud is met water and softened, and density is bad, easy gas leakage.Artificial sealing of hole, drilling are rolled into a ball using yellow mud, cement
Airtight quality is poor, activity duration length, labor intensity big, and scene is seldom used.Mechanical grouting equipment is heavy, increases workman's
Labor intensity and handling time.It can ensure sealing quality for inclined drill, but for nearly level or gently inclined seam not
It is applicable.It can not harden easily to shrink after consolidation, and solidification in the cement short time and cause gas leakage, so that sealing of hole after gas concentration declines
Subtract than very fast.Current chemical polyurethane hole sealing technology mainly uses free-hand sealing of hole, and sealed borehole length only has 3~5m, it is impossible to effectively
Block drilling gas extraction and loosen fissure zone, gas extraction concentration is not high, and the hole pumping and mining life-span is not long, in addition it is unskilled to operating
Sealing of hole workman, because polyurethane foam reaction is fast, typically completed in 2~4min, extraction borehole be often difficult successfully sealing of hole and
Cause useless hole.Its sealing material cost of foaming polymeric materials sealing of hole is high, and operation requires high.The sealing of hole of above-mentioned firedamp taking-out discharging drilling
Method is all also limited to a sealing of hole stage, is not directed to how to improve later stage gas drainage under suction concentration, reduces gas pumping
Utilization rate can simultaneously be polluted to atmospheric environment.
The content of the invention
The invention solves the problems that first technical problem be just to provide one kind can thoroughly effectively sealedly filter-press type it is hard soon
Mining hole packer.
To solve above-mentioned first technical problem, the technical solution adopted by the present invention is:Including gas drainage pipe body, institute
The outer wall for stating gas drainage pipe body is provided with the preceding fiber pouch being made up of inboard filtering pouch and outside closure pouch with after
The two ends of fiber pouch, preceding fiber pouch and rear fiber pouch are respectively arranged with reeded fixed cover, and groove is provided with
Fastening clamp, the Grouting Pipe that preceding fiber pouch is stretched at top passes through rear fiber pouch, is set at the top of Grouting Pipe in preceding fiber pouch
The preceding straight pipe of slurry outlet before being provided with is equipped with, preceding straight-through pipe outer wall is provided with the top of preceding gum cover, preceding straight pipe and is provided with closure plate, preceding
The Grouting Pipe in the explosive valve with rupture disk, rear fiber pouch is provided with Grouting Pipe between fiber pouch and rear fiber pouch
On be provided with the rear straight pipe for being provided with rear slurry outlet, straight-through pipe outer wall is provided with rear gum cover, Grouting Pipe afterbody and portable pneumatic afterwards
Agitator is connected with the mining mixing-filling system that Pneumatic injection pump for mine is constituted, and ore deposit is provided with portable pneumatic agitator
Use sealing of hole PP Pipe Compound, top is located at excessive slurry pipe between preceding fiber pouch and rear fiber pouch through rear fiber pouch.
Its additional technical feature is:Described mining sealing of hole PP Pipe Compound includes the component of following parts by weight:
Water 50-70 parts by weight
Sulphate aluminium cement 15-25 parts by weight
Portland cement 70-80 parts by weight
Aluminum sulfate 1-10 parts by weight
Calcium sulphoaluminate 1-3 parts by weight;
Fibrous material shuffling of the described outside closure pouch by strong fiber and with conducting function is formed, inboard filtering pouch
By being formed with elastomeric fibrous material shuffling, inboard filtering pouch and outside closure pouch are added with fire retardant, fire retardant
Include the component of following parts by weight:
Aluminium hydroxide 40-60 parts by weight
Deca-BDE 3-5 parts by weight
High muscle value flour 20-30 parts by weight
Water 10-30 parts by weight;
Described outside closure pouch is formed by aramid fiber and carbon fiber shuffling, and inboard filtering pouch is by spandex fibre and polyester fiber
Shuffling is formed.
The invention solves the problems that second technical problem be just to provide the user of the fast hard mining hole packer of filter-press type a kind of
Method.
To solve above-mentioned second technical problem, the technical solution adopted by the present invention comprises the steps:
The first step is laid
Gas drainage pipe body is stretched into drilling, makes preceding fiber pouch and rear fiber pouch in drilling, Grouting Pipe, overflow slurry pipe
Rear portion is outer in drilling, and the high-voltage tube of Pneumatic injection pump for mine is connected with the rear portion of Grouting Pipe;
Second step slip casting
By 50-70 parts by weight water, 15-25 parts by weight sulphate aluminium cement, 70-80 parts by weight Portland cement, 1-10 weights
Measure the mining sealing of hole PP Pipe Compound that part aluminum sulfate, 1-3 parts by weight calcium sulphoaluminate constitute and load portable pneumatic agitator, with portable
Pneumatic stirring bucket is stirred to mining sealing of hole PP Pipe Compound, is then inputted mining sealing of hole PP Pipe Compound with Pneumatic injection pump for mine and is noted
Slurry pipe, straight pipe before mining sealing of hole PP Pipe Compound is reached is released, fiber before being dispersed into preceding gum cover rear and front end by preceding slurry outlet
Pouch, straight pipe after mining sealing of hole PP Pipe Compound is reached, is released, fiber after being dispersed into rear gum cover rear and front end by rear slurry outlet
Pouch, mining sealing of hole PP Pipe Compound is full of preceding fiber pouch and rear fiber pouch, and preceding fiber pouch and rear fiber pouch expand rapidly,
The outer wall of preceding fiber pouch and rear fiber pouch is mutually sealed with coal hole;
3rd step is blocked
After the completion of the outer wall of preceding fiber pouch and rear fiber pouch is mutually sealed with coal hole, between preceding fiber pouch and rear fiber pouch
Cavity is formed, mining sealing of hole PP Pipe Compound is inputted Grouting Pipe by continuation Pneumatic injection pump for mine, when the pressure in Grouting Pipe reaches
After explosive valve burst pressure, rupture disk is opened, and mining sealing of hole PP Pipe Compound releases preceding fiber pouch and rear fibrous capsule by explosive valve
Cavity between bag, mining sealing of hole PP Pipe Compound enters the leakage path of coal inlet and middle fissure zone, closure the wall of a borehole and its surrounding, from
It is basic to eliminate drilling gas leakage crack, after after grout curing expansion, it is consolidated with coal body, cavity is with sealing surface formation big structure
Body, final to realize thoroughly effective sealing, unnecessary mining sealing of hole PP Pipe Compound is by slurry pipe discharge of overflowing;
4th step gas pumping
Carry out for a long time drawing out methane on a large scale by gas drainage pipe body.
The fast hard mining hole packer of a kind of filter-press type that the present invention is provided by gas drainage pipe body in use, first stretch into brill
Hole, makes preceding fiber pouch and rear fiber pouch in drilling, and Grouting Pipe, the excessive rear portion for starching pipe are outer in drilling, and mine pneumatic is noted
The high-voltage tube of stock pump is connected with the rear portion of Grouting Pipe.Then mining sealing of hole PP Pipe Compound is loaded into portable pneumatic agitator, used
Portable pneumatic agitator is stirred to mining sealing of hole PP Pipe Compound, then with Pneumatic injection pump for mine by mining sealing of hole PP Pipe Compound
Grouting Pipe is inputted, straight pipe before mining sealing of hole PP Pipe Compound is reached is released by preceding slurry outlet, is dispersed into preceding gum cover rear and front end
Preceding fiber pouch, straight pipe after mining sealing of hole PP Pipe Compound is reached, is released by rear slurry outlet, is dispersed into rear gum cover rear and front end
Fiber pouch afterwards, mining sealing of hole PP Pipe Compound is full of preceding fiber pouch and rear fiber pouch, and preceding fiber pouch and rear fiber pouch are fast
The outer wall of speed expansion, preceding fiber pouch and rear fiber pouch is mutually sealed with coal hole.Before fiber pouch and after fiber pouch it is outer
After the completion of wall is mutually sealed with coal hole, cavity is formed between preceding fiber pouch and rear fiber pouch, continues to use Pneumatic injection pump for mine
Mining sealing of hole PP Pipe Compound is inputted into Grouting Pipe, after the pressure in Grouting Pipe reaches explosive valve burst pressure, rupture disk is opened, ore deposit
Cavity between preceding fiber pouch and rear fiber pouch is released by explosive valve with sealing of hole PP Pipe Compound, mining sealing of hole PP Pipe Compound enters coal
The leakage path of hole and middle fissure zone, closure the wall of a borehole and its surrounding, eliminates drilling gas leakage crack from basic, treats grout curing
After expansion, it is consolidated with coal body, cavity is with sealing surface formation big structure body, final realization thoroughly effective sealing is unnecessary
Mining sealing of hole PP Pipe Compound by overflow slurry pipe discharge.Closure is finished, and a wide range of long-time extraction is carried out by gas drainage pipe body
Gas.
A kind of fast hard mining hole packer of filter-press type that the present invention is provided, is mainly configured with mining mixing-filling system, mining
Sealing of hole PP Pipe Compound, fiber pouch.The device utilizes mining mixing-filling system, with certain pressure by the special slurry of mining sealing of hole
Hydraulic pressure, which is noted to inside two fiber pouches, realizes the solidification microdilatancy closure of moment at initial stage, then mining sealing of hole PP Pipe Compound slurries pressure injection
To between two fiber pouches, reaching inside mash gas pumping drilling air holes section space and surrounding hole wall coalmass crevasse, slurries are in slip casting
It under pressure effect, can be cleaved by the fast hard mining hole packer of filter-press type, extend coalmass crevasse in hole wall, increase slurries diffusion model
Enclose, penetrated under the effect of big osmotic pressure in coal body microfissure, dendroid distribution is formed, rapidly by between two fiber pouches
The closure of coal bed drilling space is tight, after being consolidated after grout curing expansion with coal body, realizes thoroughly effective sealing, improves
The utilization rate of gas pumping.The fast hard mining hole packer of this filter-press type, on the one hand can be filled the crack around drilling,
The leakage path formed during perforate is eliminated, leakage path at initial stage is eliminated;On the other hand drilling can be made to obtain reliable supporting, it is ensured that
The stabilization of drilling, makes no longer to produce new leakage path around drilling, it is to avoid the generation and development of later stage leakage path.This side
Method is simple, is adapted to the drilling of various geological conditions.Be particularly suitable for that dip angle of hole is big, on hole sealing depth is deep to or lower sealed to hole
Hole.Sealing of hole realizes automation, after the fast hard mining hole packer feeding drilling of filter-press type, need to only start grouting pump and whole bore can be achieved
The automatic hole sealing in hole, greatly reduces labor strength, raises labour efficiency.Fiber pouch can be formed to drilling after slip casting
Effective support, makes to form the region of high stress around sealing of hole sections drilling, it is to avoid persistently produce crack after sealing of hole, form leakage path.
Grouting under pressure pressure is high, the crack that slurries can be made to be pressed into around the wall of a borehole crack, closing drilling, reduces its permeability, plays envelope
The effect of stifled leakage path at initial stage.The fast hard mining hole packer length of filter-press type can be adjusted according to underground actual borehole situation.
Using fiber pouch injection hole sealing technique, advanced technology, sealing of hole effect is good.
The fast hard mining hole packer of a kind of filter-press type that the present invention is provided, the material of fiber pouch is for strong fiber and with anti-
Water, grease proofing, fire-retardant and anlistatig characteristic, can avoid sparking from triggering gas explosion in subsurface environment.Outside blocks pouch
It is by with excellent anti-puncture function and very high intensity and the strong fiber of fire resistance such as aramid fiber etc. and with conduction
The shufflings such as the fibrous material of function such as carbon fiber are formed, and be disclosure satisfy that the security performances such as underground coal mine fire block articles are antistatic and are prevented
The requirement that the coal seam sharp corners produced during only its is drilled are scratched.Outside closure pouch has thixotropy, i.e., in slurries
Drill hole inner wall can be close to according to the shape of coal bed drilling under high pressure injection state and be quickly filled with by sealing of hole material, sealing of hole material by
Liquid slurry, which is converted to rapidly with the closely knit block of high intensity while carrying out expansion, makes outside closure pouch be bored with wandering coal
Hole is realized and combines closely to reach excellent plugging effect, can adapt to because drill bit is radially rocked cause during coal bed drilling
Drilling is oval or coal cinder comes off and causes rough environment in hole.Inner side filtering pouch be with elastomeric fibrous material such as
The shuffling such as spandex fibre and polyester fiber is formed, the characteristics of dividing rapid with good permeability and mistake filter pulp reclaimed water.In the middle of straight pipe
Slurry outlet is provided with, outside is cased with silica gel gum cover, sealing of hole slurries is disperseed from slurry outlet center to two ends, slurries can be made more
Rapidly and uniformly it is full of fiber pouch and does not result in the wasting phenomenon that such as a large amount of flood irrigations of oar liquid are formed.Explosive valve is upper
Rupture disk equipped with bottle lid-like, tee branch connecting portion is caught in the cylindrical turning-in in rupture disk end when being assembled with explosive valve
Position, it is simple and practical and can be applied to underground coal mine particular surroundings requirement.Fiber pouch outer surface two ends are solid with clip
Fixed, booster action is played in both sealings to fiber pouch and gas drainage pipe body, and the fiber pouch during slip casting is prevented again
The poorly sealed problem that relative movement with the dual anti-pipe of gas drainage under suction is caused.Clip good corrosion resistance and with the strong spy of tightening force
Point.When sealed borehole length is longer, the gas drainage pipe between two fiber pouches can be used to threaded connection to adapt to underground envelope
Hole length requirement different in size.
The fast hard mining hole packer of a kind of filter-press type that the present invention is provided, the component of use is safety anti-explosive product, equal energy
Enough adapt to the severe working environment of underground coal mine.Portable pneumatic agitator does not produce spark using compressed air as power, safety
It is explosion-proof, can stepless time adjustment, the rotating speed of motor can be adjusted by the pressure flow of supply, and continuous work can be fully loaded with for a long time, suitable
For being worked under the adverse circumstances such as underground humidity.Pneumatic injection pump for mine is that twin-tub acts on piston pump, and Pneumatic injection pump for mine makes
With compressed air, can be used safely in big water drenching, high methane occasion, can long-time stall and without heating problem.
The pump constitutes closed loop auto-control performance using the working medias such as slurries, gas transmission pressure signal, simple and reliable for structure, from
Dynamic stepless regulating is accurate, no On The Problem Of Overpressure.There is the pump changement air pressure to be automatically positioned performance, safe and reliable, have
The performance of plasma discharge amount is automatically adjusted according to predetermined grouting pressure, single slurry, dual slurry and chemical pulp can be noted, it is adaptable to underground
Worked under the adverse circumstances such as humidity.
A kind of fast hard mining hole packer of filter-press type that the present invention is provided, mining sealing of hole PP Pipe Compound is not dry and cracked, with height flowing
Property, high fillibility, rapid solidification, the effect such as efficient expansion can rapidly permeate into borehole circumference crack, in prolonged expansion stress
Under therewith fully combine, sealed borehole length can be extended significantly, be adapted to firedamp taking-out discharging drilling concordant hole and strata penetration hole sealing of hole and watt
This piezometry sealing of hole, with good sealing of hole sealing effectiveness, its ratio of mud is general in 0.5-0.7/1, and the presetting period is 10-
20min, changes according to the conditions such as underground coal mine temperature specific setting time, and expansion rate is 1.63% or so.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the fast hard mining hole packer of filter-press type of the invention;
Fig. 2 is the sectional view of the fast hard mining hole packer of filter-press type;
Fig. 3 is the structural representation of explosive valve;
Fig. 4 is the vertical structure schematic diagram of fixed cover;
Fig. 5 is the transversary schematic diagram of rear fiber pouch two ends fixed cover;
Fig. 6 is the transversary schematic diagram of preceding fiber pouch rear end fixed cover;
Fig. 7 is the transversary schematic diagram of preceding fiber pouch front end fixed cover.
Embodiment
Below in conjunction with the accompanying drawings with specific embodiment hard mining hole packer fast to a kind of filter-press type of the invention and its application method
It is described in further detail.
As shown in figure 1, a kind of fast hard mining hole packer of filter-press type of the invention includes gas drainage pipe body 1, gas drainage under suction
The outer wall of pipe body 1 is provided with preceding fiber pouch 2 and rear fiber pouch 3, and the Grouting Pipe 4 of fiber pouch 2 is passed through before top is stretched into
Be provided with explosive valve 5 in fiber pouch 3 afterwards, the Grouting Pipe 4 between preceding fiber pouch 2 and rear fiber pouch 3, the afterbody of Grouting Pipe 4 with
The mining mixing-filling system that portable pneumatic agitator 6 is constituted with Pneumatic injection pump for mine 7 is connected, portable pneumatic stirring
Mining sealing of hole PP Pipe Compound 8 is provided with bucket 6, top is after the excessive slurry pipe 9 between preceding fiber pouch 2 and rear fiber pouch 3 is passed through
Fiber pouch 3.
As shown in Fig. 2 the outer wall of gas drainage pipe body 1 is provided with preceding fiber pouch 2 and rear fiber pouch 3, preceding fiber
Pouch 2 and rear fiber pouch 3 are made up of inboard filtering pouch 10 and outside closure pouch 11, preceding fiber pouch 2 and rear fibrous capsule
The two ends of bag 3 are respectively arranged with fluted 12 fixed cover 13, are provided with fastening clamp 14 at groove 12, preceding fibre is stretched at top
The Grouting Pipe 4 of dimension pouch 2 passes through the top of Grouting Pipe 4 in rear fiber pouch 3, preceding fiber pouch 2 to be provided with and is provided with preceding slurry outlet
15 preceding straight pipe 16, the preceding outer wall of straight pipe 16 is provided with preceding gum cover 17, and the top of preceding straight pipe 16 is provided with closure plate 18, preceding fiber
The note in the explosive valve 5 with rupture disk 19, rear fiber pouch 3 is provided with Grouting Pipe 4 between pouch 2 and rear fiber pouch 3
The rear straight pipe 21 for being provided with rear slurry outlet 20 is provided with slurry pipe 4, the rear outer wall of straight pipe 21 is provided with rear gum cover 22, before top is located at
Excessive slurry pipe 9 between fiber pouch 2 and rear fiber pouch 3 passes through rear fiber pouch 3.
As shown in figure 3, explosive valve 5 carries rupture disk 19, rupture disk 19 is bottle cap shape, and the top of explosive valve 5 is provided with connection
Connecting groove 23 is caught in groove 23, the cylindrical turning-in in the end of rupture disk 19.
As shown in figure 4, fixed cover 13 is with fluted 12.
As shown in figure 5, rear fiber pouch two ends fixed cover 13 is provided with gas drainage pipe body through hole 24, slip casting pipe through-hole
25th, overflow slurry pipe through-hole 26.
As shown in fig. 6, preceding fiber pouch rear end fixed cover 13 is provided with gas drainage pipe body through hole 24, slip casting pipe through-hole
25。
As shown in fig. 7, preceding fiber pouch front end fixed cover 13 is provided with gas drainage pipe body through hole 24.
Embodiment 1
A kind of application method of the fast hard mining hole packer of filter-press type of the present invention comprises the steps:
The first step is laid
Gas drainage pipe body 1 is stretched into drilling, makes preceding fiber pouch 2 and rear fiber pouch 3 in drilling, Grouting Pipe 4, excessive slurry
The rear portion of pipe 9 is outer in drilling, and the high-voltage tube of Pneumatic injection pump for mine 7 is connected with the rear portion of Grouting Pipe 4;
Second step slip casting
By 50 parts by weight water, 15 parts by weight sulphate aluminium cements, 70 parts by weight Portland cements, 1 parts sulfuric acid aluminium, 1
The mining sealing of hole PP Pipe Compound 8 that parts by weight calcium sulphoaluminate is constituted loads portable pneumatic agitator 6, with portable pneumatic agitator 6
Mining sealing of hole PP Pipe Compound 8 is stirred, mining sealing of hole PP Pipe Compound 8 is then inputted into Grouting Pipe 4 with Pneumatic injection pump for mine 7,
Mining sealing of hole PP Pipe Compound 8 reaches preceding straight pipe 16, is released by preceding slurry outlet 15, fine before being dispersed into the preceding rear and front end of gum cover 17
Pouch 2 is tieed up, straight pipe 21 after mining sealing of hole PP Pipe Compound 8 is reached is released by rear slurry outlet 20, scattered in the rear rear and front end of gum cover 22
Into rear fiber pouch 3, mining sealing of hole PP Pipe Compound 8 is full of preceding fiber pouch 2 and rear fiber pouch 3, preceding fiber pouch 2 and rear fibre
Tie up pouch 3 to expand rapidly, the outer wall of preceding fiber pouch 2 and rear fiber pouch 3 is mutually sealed with coal hole;
3rd step is blocked
After the completion of the outer wall of preceding fiber pouch 2 and rear fiber pouch 3 is mutually sealed with coal hole, preceding fiber pouch 3 and rear fiber pouch 3
Between form cavity, mining sealing of hole PP Pipe Compound 8 is inputted Grouting Pipe 4 by continuation Pneumatic injection pump for mine 7, when in Grouting Pipe 4
Pressure reaches after the burst pressure of explosive valve 5 that rupture disk 19 is opened, and mining sealing of hole PP Pipe Compound 8 releases preceding fibrous capsule by explosive valve 5
Cavity between bag 2 and rear fiber pouch 3, mining sealing of hole PP Pipe Compound 8 enters coal inlet and middle fissure zone, closure the wall of a borehole and its week
The leakage path enclosed, eliminates drilling gas leakage crack from basic, after after grout curing expansion, is consolidated with coal body, cavity is same
Sealing surface formation big structure body, final to realize thoroughly effective sealing, unnecessary mining sealing of hole PP Pipe Compound 8 is discharged by the slurry pipe 9 that overflows;
4th step gas pumping
Carry out for a long time drawing out methane on a large scale by gas drainage pipe body 1.
Embodiment 2
A kind of application method of the fast hard mining hole packer of filter-press type of the present invention comprises the steps:
The first step is laid
Gas drainage pipe body 1 is stretched into drilling, makes preceding fiber pouch 2 and rear fiber pouch 3 in drilling, Grouting Pipe 4, excessive slurry
The rear portion of pipe 9 is outer in drilling, and the high-voltage tube of Pneumatic injection pump for mine 7 is connected with the rear portion of Grouting Pipe 4;
Second step slip casting
By 60 parts by weight water, 20 parts by weight sulphate aluminium cements, 75 parts by weight Portland cements, 5.5 parts sulfuric acid aluminium,
The mining sealing of hole PP Pipe Compound 8 that 2 parts by weight calcium sulphoaluminates are constituted loads portable pneumatic agitator 6, with portable pneumatic agitator 6
Mining sealing of hole PP Pipe Compound 8 is stirred, mining sealing of hole PP Pipe Compound 8 is then inputted into Grouting Pipe 4 with Pneumatic injection pump for mine 7,
Mining sealing of hole PP Pipe Compound 8 reaches preceding straight pipe 16, is released by preceding slurry outlet 15, fine before being dispersed into the preceding rear and front end of gum cover 17
Pouch 2 is tieed up, straight pipe 21 after mining sealing of hole PP Pipe Compound 8 is reached is released by rear slurry outlet 20, scattered in the rear rear and front end of gum cover 22
Into rear fiber pouch 3, mining sealing of hole PP Pipe Compound 8 is full of preceding fiber pouch 2 and rear fiber pouch 3, preceding fiber pouch 2 and rear fibre
Tie up pouch 3 to expand rapidly, the outer wall of preceding fiber pouch 2 and rear fiber pouch 3 is mutually sealed with coal hole;
3rd step is blocked
After the completion of the outer wall of preceding fiber pouch 2 and rear fiber pouch 3 is mutually sealed with coal hole, preceding fiber pouch 3 and rear fiber pouch 3
Between form cavity, mining sealing of hole PP Pipe Compound 8 is inputted Grouting Pipe 4 by continuation Pneumatic injection pump for mine 7, when in Grouting Pipe 4
Pressure reaches after the burst pressure of explosive valve 5 that rupture disk 19 is opened, and mining sealing of hole PP Pipe Compound 8 releases preceding fibrous capsule by explosive valve 5
Cavity between bag 2 and rear fiber pouch 3, mining sealing of hole PP Pipe Compound 8 enters coal inlet and middle fissure zone, closure the wall of a borehole and its week
The leakage path enclosed, eliminates drilling gas leakage crack from basic, after after grout curing expansion, is consolidated with coal body, cavity is same
Sealing surface formation big structure body, final to realize thoroughly effective sealing, unnecessary mining sealing of hole PP Pipe Compound 8 is discharged by the slurry pipe 9 that overflows;
4th step gas pumping
Carry out for a long time drawing out methane on a large scale by gas drainage pipe body 1.
Embodiment 3
A kind of application method of the fast hard mining hole packer of filter-press type of the present invention comprises the steps:
The first step is laid
Gas drainage pipe body 1 is stretched into drilling, makes preceding fiber pouch 2 and rear fiber pouch 3 in drilling, Grouting Pipe 4, excessive slurry
The rear portion of pipe 9 is outer in drilling, and the high-voltage tube of Pneumatic injection pump for mine 7 is connected with the rear portion of Grouting Pipe 4;
Second step slip casting
By 70 parts by weight water, 25 parts by weight sulphate aluminium cements, 80 parts by weight Portland cements, 10 parts sulfuric acid aluminium, 3
The mining sealing of hole PP Pipe Compound 8 that parts by weight calcium sulphoaluminate is constituted loads portable pneumatic agitator 6, with portable pneumatic agitator 6
Mining sealing of hole PP Pipe Compound 8 is stirred, mining sealing of hole PP Pipe Compound 8 is then inputted into Grouting Pipe 4 with Pneumatic injection pump for mine 7,
Mining sealing of hole PP Pipe Compound 8 reaches preceding straight pipe 16, is released by preceding slurry outlet 15, fine before being dispersed into the preceding rear and front end of gum cover 17
Pouch 2 is tieed up, straight pipe 21 after mining sealing of hole PP Pipe Compound 8 is reached is released by rear slurry outlet 20, scattered in the rear rear and front end of gum cover 22
Into rear fiber pouch 3, mining sealing of hole PP Pipe Compound 8 is full of preceding fiber pouch 2 and rear fiber pouch 3, preceding fiber pouch 2 and rear fibre
Tie up pouch 3 to expand rapidly, the outer wall of preceding fiber pouch 2 and rear fiber pouch 3 is mutually sealed with coal hole;
3rd step is blocked
After the completion of the outer wall of preceding fiber pouch 2 and rear fiber pouch 3 is mutually sealed with coal hole, preceding fiber pouch 3 and rear fiber pouch 3
Between form cavity, mining sealing of hole PP Pipe Compound 8 is inputted Grouting Pipe 4 by continuation Pneumatic injection pump for mine 7, when in Grouting Pipe 4
Pressure reaches after the burst pressure of explosive valve 5 that rupture disk 19 is opened, and mining sealing of hole PP Pipe Compound 8 releases preceding fibrous capsule by explosive valve 5
Cavity between bag 2 and rear fiber pouch 3, mining sealing of hole PP Pipe Compound 8 enters coal inlet and middle fissure zone, closure the wall of a borehole and its week
The leakage path enclosed, eliminates drilling gas leakage crack from basic, after after grout curing expansion, is consolidated with coal body, cavity is same
Sealing surface formation big structure body, final to realize thoroughly effective sealing, unnecessary mining sealing of hole PP Pipe Compound 8 is discharged by the slurry pipe 9 that overflows;
4th step gas pumping
Carry out for a long time drawing out methane on a large scale by gas drainage pipe body 1.
The fast hard mining hole packer of a kind of filter-press type that the present invention is provided, is mainly configured with portable pneumatic agitator 6 and ore deposit
Mining mixing-filling system, mining sealing of hole PP Pipe Compound 8, fine preceding fiber pouch 2 and the rear fiber pouch constituted with Pneumatic grouting pump 7
3.The mining mixing-filling system that the device is constituted using portable pneumatic agitator 6 and Pneumatic injection pump for mine 7, with certain
Pressure will realize that the solidification of moment at initial stage is micro- inside the mining slurries pressure injection of sealing of hole PP Pipe Compound 8 to preceding fiber pouch 2 and rear fiber pouch 3
Expansion plugging, then the mining slurries pressure injection of sealing of hole PP Pipe Compound 8 reach gas pumping between preceding fiber pouch 2 and rear fiber pouch 3
Inside the air holes that drills section space and surrounding hole wall coalmass crevasse, slurries are fast hard mining by filter-press type under grouting pressure effect
Hole packer can be cleaved, extend coalmass crevasse in hole wall, increase grout mixing, and coal body is penetrated under the effect of big osmotic pressure
In microfissure, dendroid distribution is formed, rapidly the coal bed drilling space between preceding fiber pouch 2 and rear fiber pouch 3 is blocked
Tightly, after being consolidated after grout curing expansion with coal body, thoroughly effective sealing is realized, the utilization of gas pumping is improved
Rate.
The material of a kind of fast hard mining hole packer of filter-press type that the present invention is provided, preceding fiber pouch 2 and rear fiber pouch 3 is
Strong fiber simultaneously has Water-proof and oil-proof, fire-retardant and anlistatig characteristic, and sparking can be avoided to trigger gas quick-fried in subsurface environment
It is fried.Outside closure pouch 11 be by with excellent anti-puncture function and very high intensity and the strong fiber of fire resistance such as
Aramid fiber etc. and the shuffling such as fibrous material such as carbon fiber with conducting function are formed, and disclosure satisfy that underground coal mine fire block articles resist quiet
The security performances such as electricity and the requirement for preventing the coal seam sharp corners produced during its is drilled from scratching.Outside closure pouch 11 has
There is thixotropy, i.e., can be close to drill hole inner wall according to the shape of coal bed drilling under slurries high pressure injection state and by mining envelope
Hole PP Pipe Compound 8 is quickly filled with, and mining sealing of hole PP Pipe Compound 8 is converted to rapidly with the closely knit block of high intensity while entering by liquid slurry
Row expansion makes outside closure pouch 11 and wandering coal drilling realize and combine closely to reach excellent plugging effect, Neng Goushi
Answer during coal bed drilling causes that drilling is oval or coal cinder comes off and causes rough environment in hole because drill bit is radially rocked.
Inner side filtering pouch 10 is forms with shufflings such as elastomeric fibrous material such as spandex fibres and polyester fiber, with gas permeability
Get well and cross the characteristics of filter pulp reclaimed water point is rapid.Preceding straight pipe 16 is provided with preceding slurry outlet 15, and the preceding outer wall of straight pipe 16 is provided with preceding gum cover
17, rear straight pipe 21 is provided with rear slurry outlet 20, and the rear outer wall of straight pipe 21 is provided with rear gum cover 22, so makes mining sealing of hole PP Pipe Compound 8
From preceding slurry outlet 15, the center of rear slurry outlet 20, gum cover 17, the two ends of rear gum cover 22 disperse slurries forward, can make mining sealing of hole PP Pipe Compound
8 slurries more rapidly and uniformly full of preceding fiber pouch 2 and rear fiber pouch 3 and do not result in such as mining sealing of hole PP Pipe Compound
The wasting phenomenon that the 8 a large amount of flood irrigations of oar liquid are formed.Explosive valve 5 is the upper rupture disk 19 equipped with bottle lid-like, is filled with explosive valve 5
Tee branch connecting portion is caught in the cylindrical turning-in in the end of timing rupture disk 19, simple and practical and can be applied to coal
Particular surroundings requirement under mine.Preceding fiber pouch 2 and the outer surface two ends fastening clamp 14 of rear fiber pouch 3 are fixed, both to preceding
Booster action is played in fiber pouch 2 and rear fiber pouch 3 and the sealing of gas drainage pipe body 1, is prevented again during slip casting
The poorly sealed problem that the relative movement of preceding fiber pouch 2 and rear fiber pouch 3 and gas drainage pipe body 1 is caused.Fastener
Bind round 14 good corrosion resistances and there is the characteristics of tightening force is strong., can be by preceding fiber pouch 2 and rear fibrous capsule when sealed borehole length is longer
Gas drainage pipe body 1 between bag 3 uses threaded connection to adapt to the requirement that underground sealed borehole length is different in size.
The fast hard mining hole packer of a kind of filter-press type that the present invention is provided, the component of use is safety anti-explosive product, equal energy
Enough adapt to the severe working environment of underground coal mine.Portable pneumatic agitator 6 does not produce spark using compressed air as power, peace
It is complete explosion-proof, can stepless time adjustment, the rotating speed of motor can be adjusted by the pressure flow of supply, can be fully loaded with and continuously work for a long time,
Suitable for being worked under the adverse circumstances such as underground humidity.Pneumatic injection pump for mine 7 is that twin-tub acts on piston pump, Pneumatic injection pump for mine
7 use compressed air, can big water drenching, high methane occasion use safely, can long-time stall and asked without heating
Topic.The pump constitutes closed loop auto-control performance using the working medias such as slurries, gas transmission pressure signal, simple and reliable for structure,
Automatic stepless regulating is accurate, no On The Problem Of Overpressure.There is the pump changement air pressure to be automatically positioned performance, safe and reliable, tool
There is the performance that plasma discharge amount is automatically adjusted according to predetermined grouting pressure, single slurry, dual slurry and chemical pulp can be noted, it is adaptable to well
Worked under the adverse circumstances such as lower humidity.
A kind of fast hard mining hole packer of filter-press type that the present invention is provided, mining sealing of hole PP Pipe Compound 8 is not dry and cracked, with height flowing
Property, high fillibility, rapid solidification, the effect such as efficient expansion can rapidly permeate into borehole circumference crack, in prolonged expansion stress
Under therewith fully combine, sealed borehole length can be extended significantly, be adapted to firedamp taking-out discharging drilling concordant hole and strata penetration hole sealing of hole and watt
This piezometry sealing of hole, with good sealing of hole sealing effectiveness, its ratio of mud is general in 0.5-0.7/1, and the presetting period is 10-
20min, changes according to the conditions such as underground coal mine temperature specific setting time, and expansion rate is 1.63% or so.
The fast hard mining hole packer of a kind of filter-press type that the present invention is provided, inboard filtering pouch 10 and outside closure pouch 11 add
Added with fire retardant, security is improved.Flame retardant compositions are 40 parts by weight aluminium hydroxides, 3 parts by weight deca-BDEs, 20 parts by weight
High muscle value flour, 10 parts by weight water;Or flame retardant compositions are 50 parts by weight aluminium hydroxides, 4 parts by weight deca-BDEs, 25 weight
The high muscle value flour of part, 20 parts by weight water;Or flame retardant compositions are 60 parts by weight aluminium hydroxides, 5 parts by weight deca-BDEs, 30 weights
Measure the high muscle value flour of part, 30 parts by weight water.
A kind of fast hard mining hole packer of filter-press type and its application method that the present invention is provided are not limited only to above-mentioned form, the above
Described is only presently preferred embodiments of the present invention, is not intended to limit the invention, all in the spirit and principles in the present invention etc
Any modifications, equivalent substitutions and improvements made etc., should be included in the scope of the protection.
Claims (5)
1. a kind of fast hard mining hole packer of filter-press type, including gas drainage pipe body, it is characterised in that:The gas drainage pipe pipe
The outer wall of body is provided with the preceding fiber pouch and rear fiber pouch being made up of inboard filtering pouch and outside closure pouch, preceding fiber
The two ends of pouch and rear fiber pouch are respectively arranged with reeded fixed cover, and groove is provided with fastening clamp, and top is stretched
The Grouting Pipe for entering preceding fiber pouch passes through rear fiber pouch, is provided with the top of Grouting Pipe in preceding fiber pouch and is provided with preceding slurry outlet
Preceding straight pipe, preceding straight-through pipe outer wall is provided with preceding gum cover, is provided with closure plate, preceding fiber pouch and rear fiber at the top of preceding straight pipe
It is provided with after being provided with to go out in the Grouting Pipe being provided with Grouting Pipe between pouch in the explosive valve with rupture disk, rear fiber pouch
The rear straight pipe in hole is starched, straight-through pipe outer wall is provided with rear gum cover, Grouting Pipe afterbody and portable pneumatic agitator and mine pneumatic afterwards
The mining mixing-filling system that grouting pump is constituted is connected, and mining sealing of hole PP Pipe Compound is provided with portable pneumatic agitator, pushes up
Portion is located at excessive slurry pipe between preceding fiber pouch and rear fiber pouch through rear fiber pouch.
2. a kind of fast hard mining hole packer of filter-press type according to claim 1, it is characterised in that:Described mining sealing of hole is special
Materials include the component of following parts by weight:
Water 50-70 parts by weight
Sulphate aluminium cement 15-25 parts by weight
Portland cement 70-80 parts by weight
Aluminum sulfate 1-10 parts by weight
Calcium sulphoaluminate 1-3 parts by weight.
3. a kind of fast hard mining hole packer of filter-press type according to claim 1, it is characterised in that:Described outside Plugging brusa
Fibrous material shuffling of the bag by strong fiber and with conducting function is formed, and inboard filtering pouch is by with elastomeric undulation degree
Material shuffling is formed, and inboard filtering pouch and outside closure pouch are added with fire retardant, and fire retardant includes the component of following parts by weight:
Aluminium hydroxide 40-60 parts by weight
Deca-BDE 3-5 parts by weight
High muscle value flour 20-30 parts by weight
Water 10-30 parts by weight.
4. a kind of fast hard mining hole packer of filter-press type according to claim 3, it is characterised in that:Described outside Plugging brusa
Bag is formed by aramid fiber and carbon fiber shuffling, and inboard filtering pouch is formed by spandex fibre and polyester fiber shuffling.
5. a kind of application method of the fast hard mining hole packer of filter-press type described in claim 1,2,3 or 4 any one, its feature exists
In comprising the steps:
The first step is laid
Gas drainage pipe body is stretched into drilling, makes preceding fiber pouch and rear fiber pouch in drilling, Grouting Pipe, overflow slurry pipe
Rear portion is outer in drilling, and the high-voltage tube of Pneumatic injection pump for mine is connected with the rear portion of Grouting Pipe;
Second step slip casting
By 50-70 parts by weight water, 15-25 parts by weight sulphate aluminium cement, 70-80 parts by weight Portland cement, 1-10 weights
Measure the mining sealing of hole PP Pipe Compound that part aluminum sulfate, 1-3 parts by weight calcium sulphoaluminate constitute and load portable pneumatic agitator, with portable
Pneumatic stirring bucket is stirred to mining sealing of hole PP Pipe Compound, is then inputted mining sealing of hole PP Pipe Compound with Pneumatic injection pump for mine and is noted
Slurry pipe, straight pipe before mining sealing of hole PP Pipe Compound is reached is released, fiber before being dispersed into preceding gum cover rear and front end by preceding slurry outlet
Pouch, straight pipe after mining sealing of hole PP Pipe Compound is reached, is released, fiber after being dispersed into rear gum cover rear and front end by rear slurry outlet
Pouch, mining sealing of hole PP Pipe Compound is full of preceding fiber pouch and rear fiber pouch, and preceding fiber pouch and rear fiber pouch expand rapidly,
The outer wall of preceding fiber pouch and rear fiber pouch is mutually sealed with coal hole;
3rd step is blocked
After the completion of the outer wall of preceding fiber pouch and rear fiber pouch is mutually sealed with coal hole, between preceding fiber pouch and rear fiber pouch
Cavity is formed, mining sealing of hole PP Pipe Compound is inputted Grouting Pipe by continuation Pneumatic injection pump for mine, when the pressure in Grouting Pipe reaches
After explosive valve burst pressure, rupture disk is opened, and mining sealing of hole PP Pipe Compound releases preceding fiber pouch and rear fibrous capsule by explosive valve
Cavity between bag, mining sealing of hole PP Pipe Compound enters the leakage path of coal inlet and middle fissure zone, closure the wall of a borehole and its surrounding, from
It is basic to eliminate drilling gas leakage crack, after after grout curing expansion, it is consolidated with coal body, cavity is with sealing surface formation big structure
Body, final to realize thoroughly effective sealing, unnecessary mining sealing of hole PP Pipe Compound is by slurry pipe discharge of overflowing;
4th step gas pumping
Carry out for a long time drawing out methane on a large scale by gas drainage pipe body.
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