CN108033747A - A kind of antirust tension cement grout and spraying method - Google Patents
A kind of antirust tension cement grout and spraying method Download PDFInfo
- Publication number
- CN108033747A CN108033747A CN201711169805.9A CN201711169805A CN108033747A CN 108033747 A CN108033747 A CN 108033747A CN 201711169805 A CN201711169805 A CN 201711169805A CN 108033747 A CN108033747 A CN 108033747A
- Authority
- CN
- China
- Prior art keywords
- cement
- antirust
- block piece
- jet port
- cement mortar
- 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.)
- Granted
Links
- 239000004568 cement Substances 0.000 title claims abstract description 69
- 239000011440 grout Substances 0.000 title claims abstract description 48
- 238000005507 spraying Methods 0.000 title claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 11
- 239000003245 coal Substances 0.000 claims abstract description 9
- 239000013530 defoamer Substances 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 7
- 239000011083 cement mortar Substances 0.000 claims description 50
- -1 polyoxyethylene Polymers 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- 210000003746 feather Anatomy 0.000 claims description 7
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 5
- MDFFNEOEWAXZRQ-UHFFFAOYSA-N aminyl Chemical compound [NH2] MDFFNEOEWAXZRQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 229920005862 polyol Polymers 0.000 claims 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 12
- 239000004816 latex Substances 0.000 abstract description 8
- 229920000126 latex Polymers 0.000 abstract description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 7
- 239000010881 fly ash Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract description 7
- 235000019422 polyvinyl alcohol Nutrition 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000013556 antirust agent Substances 0.000 abstract description 5
- 239000011378 shotcrete Substances 0.000 abstract description 5
- 229910052602 gypsum Inorganic materials 0.000 abstract description 4
- 239000010440 gypsum Substances 0.000 abstract description 4
- 229920002689 polyvinyl acetate Polymers 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 abstract description 2
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 abstract description 2
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 abstract description 2
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 229940068984 polyvinyl alcohol Drugs 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 208000019901 Anxiety disease Diseases 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000036506 anxiety Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 235000013599 spices Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- C04B28/14—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 calcium sulfate cements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/021—Grouting with inorganic components, e.g. cement
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
It is used to prevent tunnel weathering and metal mesh, the antirust tension cement grout and spraying method of anchor pole antirust when coal mine roadway tunnels the invention discloses a kind of, it includes according to percentage by weight：0.3%~0.5% defoamer, 0.3%~0.5% ten thousand water-retaining agent of hydroxypropyl methyl cellulose HPMC20, the high intensity model gypsum powder of redispersible latex powder 12%~15% of 4.2%~5% PVAC polyvinylalcohol 1788,3.5%~4.0%, 45%~47% level-one flyash, 0.7%~0.9% antirust agent, surplus is cement；Above-mentioned substance total content is 100%；And the ratio of mud is when cement grout is made：0.6~0.68.It is low by solving tunnel shotcrete construction efficiency in the case where not changing existing colliery construction technology, method and big process condition, the problem of waste of material is serious, to realize moulding anti-corrosion spray, improve antirust tension effect.
Description
Technical field
The present invention relates to cement grout, more particularly to tunnel weathering and metal are prevented during a kind of driving for coal mine roadway
The antirust tension cement grout and spraying method of net, anchor pole antirust.
Background technology
Since digging continues anxiety, tunnel spouting velocity can not meet the requirement of speedy drivage, and traditional shotcreting process is complicated,
Spouting velocity is slow, and especially Gunning material demand is big, causes enormous pressure to underground assistant conveyance link, seriously restricts mine
Efficiently production.
Majority produces the mine for the anxiety that continues, if exploiting field or the whole shotcrete constructions of preparatory working, certainly will reduce digging footage,
Shaft production will be seriously affected to continue, while material and human cost will be considerably increased.And tunnel of not whitewashing is with service year
Limit increase, there is surface weathering, anchor pole and the serious phenomenon of metal mesh corrosion, has seriously affected the stabilization in tunnel in tunnel.
And traditional shotcrete construction method is watering, spice whitewashing (just spray), watering maintenance, multiple spray, whitewashing materials be cement,
Middle sand, accelerator, shotcrete thickness are not less than 100mm, and rebound degree is generally higher than 30%, and speed of application is slow, need 5~6 people to grasp at the same time
Work can construct, and pulp layer easily cracks after being pressurized for a long time, not easy care.
And during whitewashing in underground, since the cement mortar stirred evenly to be transported to the pipeline of spraying equipment too
Long, part of cement slurry can solidify blocking during conveying, easily block spraying equipment, or even cause the damage of spraying equipment
Wound.
Therefore, the prior art is up for further improvement and development.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of antirust tension cement grout and spraying
Method, to improve antirust tension effect, and improves uniformity when spray cement is starched at the same time.
In order to solve the above technical problems, the present invention program includes：
It is a kind of to be used to prevent tunnel weathering and metal mesh, the antirust tension cement mortar of anchor pole antirust during coal mine roadway driving
Liquid, it includes according to percentage by weight：
Above-mentioned substance total content is 100%；
The ratio of mud is when cement grout is made：0.6~0.68.
The antirust tension cement grout, wherein, above-mentioned cement is 525 cement.
The antirust tension cement grout, wherein, above-mentioned defoamer is the fatty acid ester compounded thing of higher alcohols, polyoxyethylene
One kind in polyoxypropylene pentaerythrite ether or polyoxyethylene polyoxy propyl alcohol amidogen ether.
The spraying method of the antirust tension cement grout, it comprises the following steps：
Above-mentioned substance is proportionally made to antirust tension cement grout, then antirust tension cement grout is imported into cement mortar
In pressure pan, cement mortar is set to enter the feeding mechanism of cement mortar pressure pan by corresponding pipeline, cement mortar is made in the first jet port
Quickly impacted, continued after the first taper block piece is broken up under the effect of the second jet port quickly to the to the first taper block piece with lower
Two taper block pieces impact, and continue quickly to rush to triconic block piece under the effect of the 3rd jet port after the second taper block piece is broken up
Hit, pass through three Secondary Shocks to cement mortar, the lump in thorough crushing cement slurry simultaneously falls after triconic block piece in nature
State enters cement mortar pressure pan；
Synchronous is pressurizeed by the first jet port, the second jet port and the 3rd jet port into cement mortar pressure pan, cement
Starch end of transmission rear enclosed feeding mouth；If cement mortar high pressure pressure inside the tank is less than preset value, cement is made by ftercompction air intake vent
Starch high pressure pressure inside the tank and reach preset value；Spray gun is then turned on to spray the cement mortar in cement mortar pressure pan；
Antirust tension cement grout is uniformly sprayed to tunnel and metal mesh, anchor pole panel surface, cladding thickness 1mm.
The spraying method, wherein, above-mentioned cement mortar pressure pan includes tank body, and the top of tank body is provided with feeding mouth,
A feeding mechanism is provided with feeding mouth, pan feeding mouth mechanism includes the feeding cylinder with air-inlet cavity, and feeding cylinder is arranged vertically, feeds
The first taper block piece, the second taper block piece and triconic block piece have been sequentially arranged from top to bottom in cylinder, the first taper block piece, the
The area coverage of two taper block pieces and triconic block piece is sequentially reduced, and feeding cylinder is set with the first taper block piece upper end corresponding position
It is equipped with the first jet port, feeding cylinder is being provided with the second jet port with the second taper block piece upper end corresponding position, and feeding cylinder is with
Triconic block piece upper end corresponding position is provided with the 3rd jet port, and the first jet port, the second jet port, the 3rd jet port are and inlet air
Chamber is connected, and jet port is engaged with corresponding taper block piece and breaks up cement grout.
The spraying method, wherein, the jet-stream wind of above-mentioned first jet port, the second jet port and the 3rd jet port with
The angle of vertical curve is 30 ° -40 °.
The spraying method, wherein, above-mentioned tank body side is provided with ftercompction air intake vent, and ftercompction air intake vent side is provided with
Feather valve, the unloading pressure of feather valve is 0.8MPa.
The spraying method, wherein, the side of above-mentioned tank body is provided with grout outlet, and grout outlet is connected with spray gun.
Tunnel weathering and metal mesh, the antirust of anchor pole antirust are prevented during a kind of driving for coal mine roadway provided by the invention
Tension cement grout and spraying method, in the case where not changing existing colliery construction technology, method and big process condition, pass through solution
The problem of tunnel shotcrete construction efficiency is low, and waste of material is serious, to realize moulding anti-corrosion spray；The spraying of antirust tension cement mortar
Construction method is spice, spraying, and technique is simple, it is not necessary to which multiple spray and watering maintenance, coating thickness 1mm, rebound degree are not more than
10%, normally only need 2~3 people to complete to operate, construction efficiency is high；Materials are few during live practice of construction, can delay significantly
Mining conveying pressure being solved, spraying equipment is simply light, it is only necessary to 2 people can operate, and construction is simple quantities is small, and construction efficiency is high,
It is 10 times of tradition whitewashing work efficiency；Working procedure is simple, it is not necessary to multiple spray and maintenance are carried out, efflorescence prevention and anti-corrosion effect are obvious,
The hidden danger in bad repair of the tunnel caused by corrosion can effectively be reduced；Spraying application rebound degree is low, and stock utilization is high, raw material sources
Extensively, it is of low cost, it is low to operation technical requirements, it is adapted to large-scale promotion application.Its specific mechanism is as follows：
Cement is attached to coal rock layer and metal mesh, anchor pole panel surface after curing as major ingredient, plays and tunnel coal rock layer is prevented
Weathering and consolidation；Defoamer eliminates bubble in cement grout, increases slurries compactness, plays the work for completely cutting off air after curing
With water-retaining agent lockable moisture, pulp layer caused by preventing the quick dehydration of cement cracks, and polyvinyl alcohol increases the pumpable of cement grout
Property, mixture intensity is improved, latex powder adhesion strength is good, can increase the elasticity and alkali resistance of cement mortar, prevents pulp layer from crushing out
Split, land plaster increases cement and expanded rate and viscosity, and flyash can save cement consumption, improve cement mortar impermeability.
The elongation strain ability and bent toughness of cement grout can be significantly improved mixing a small amount of redispersable latex powder,
Strain property, which is drawn high, during volume 4.5%, after grout cures reaches highest；Due to redisperable polymer powder and cement grout
Mixing can generate stable dispersion system, and polymer beads self-dispersing can't be with cement adhesive aggregation, therefore adds hydrophilic poly-
Vinyl alcohol can fully be combined redispersible latex powder polymer beads with cement granules as protection carrier, polyvinyl alcohol,
Volume is optimal effect when being 3.8%, can further play the performance of extension redispersible latex powder, while is used as thixotroping
Agent improves the sag resistance energy of slurries, adds not only alternative cement reduction cement consumption, but also due to flyash after flyash
The advantages of fineness is small, hole is small, can be filled between polymer macromolecule structure, increase the density of cement grout, play anti-
Water completely cuts off the effect of air；Incorporation land plaster is to slow down cement mortar setting time, makes slurries uniform fold, increases convenient construction
Property；Water-retaining agent increases the water holding capacity of slurries, gives full play to cement aquation, improves between slurry consistency and polymer molecule
Cross-linked structure intensity；One layer of densification is being formed between induration and metal material after curing in antirust agent incorporation cement grout
Film, plays the rust-proof effect of waterproof isolation air.
Brief description of the drawings
Fig. 1 is the structure diagram of cement mortar pressure pan in the present invention；
Fig. 2 is the structure diagram of feeding mechanism in the present invention.
Embodiment
The present invention provides a kind of antirust tension cement grout and spraying method, to make the purpose of the present invention, technical solution
And effect is clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that specific implementation described herein
Example is not intended to limit the present invention only to explain the present invention.
It is used to prevent tunnel weathering and metal mesh, the antirust of anchor pole antirust when coal mine roadway tunnels the present invention provides a kind of
Tension cement grout, it includes according to percentage by weight：
0.3%~0.5% defoamer, 0.3%~0.5% ten thousand water-retaining agent of hydroxypropyl methyl cellulose HPMC20,
The high intensity of the redispersible latex powder 12%~15% of 4.2%~5% PVAC polyvinylalcohol 1788,3.5%~4.0%
Model gypsum powder, 45%~47% level-one flyash, 0.7%~0.9% antirust agent, surplus is cement；Above-mentioned substance is total
Content is 100%；And the ratio of mud is when cement grout is made：0.6~0.68.
And above-mentioned cement is 525 cement；Above-mentioned defoamer is the fatty acid ester compounded thing of higher alcohols, polyoxyethylene polyoxy third
One kind in alkene pentaerythrite ether or polyoxyethylene polyoxy propyl alcohol amidogen ether.
The present invention provides a kind of spraying method using above-mentioned antirust tension cement grout, it comprises the following steps：Will
Antirust tension cement grout is proportionally made in above-mentioned substance, then antirust tension cement grout is imported in cement mortar pressure pan,
Cement mortar is set to enter the feeding mechanism 3 of cement mortar pressure pan by corresponding pipeline, cement mortar is quick under the effect of the first jet port 9
Impact, continue after the first taper block piece 6 is broken up under the effect of the second jet port 10 quickly to the second cone to the first taper block piece 6
Shape block piece 7 impacts, and continues after the second taper block piece 7 is broken up under the effect of the 3rd jet port 11 quickly to triconic block piece 8
Impact, pass through cement mortar three Secondary Shocks, the lump in thorough crushing cement slurry and after triconic block piece 8 in nature under
Fall state and enter cement mortar pressure pan；
Synchronous is pressurizeed by the first jet port 9, the second jet port 10 with the 3rd jet port 11 into cement mortar pressure pan,
Cement mortar end of transmission rear enclosed feeding mouth 2；If cement mortar high pressure pressure inside the tank is less than preset value, pass through ftercompction air intake vent 12
Cement mortar high pressure pressure inside the tank is set to reach preset value；Spray gun 15 is then turned on to spray the cement mortar in cement mortar pressure pan；
Antirust tension cement grout is uniformly sprayed to tunnel and metal mesh, anchor pole panel surface, cladding thickness 1mm.
The spraying method, wherein, above-mentioned cement mortar pressure pan includes tank body 1, and the top of tank body 1 is provided with feeding mouth
2, a feeding mechanism 3 is provided with feeding mouth 2, pan feeding mouth mechanism 3 includes the feeding cylinder 5 with air-inlet cavity 4, and feeding cylinder 5 is vertical
Arrange, the first taper block piece 6, the second taper block piece 7 and triconic block piece 8 have been sequentially arranged from top to bottom in feeding cylinder 5, the
One taper block piece 6, the area coverage of the second taper block piece 7 and triconic block piece 8 are sequentially reduced, and can make the water collided successively
Mud can be finally fallen into cement mortar pressure pan in nature.
And feeding cylinder 5 is being provided with the first jet port 9 with 6 upper end corresponding position of the first taper block piece, feeding cylinder 5 is with
Two taper block pieces, 7 upper end corresponding position is provided with the second jet port 10, and feeding cylinder 5 is set with 8 upper end corresponding position of triconic block piece
The 3rd jet port 11 is equipped with, the first jet port 9, the second jet port 10, the 3rd jet port 11 are connected with air-inlet cavity 4, injection
Mouth is engaged with corresponding taper block piece breaks up cement grout；Air-inlet cavity 4 is connected with extraneous high-pressure air source, is provided for jet port dynamic
Power source, generally between 0.6MPa-0.8MPa, jet port is engaged and breaks up the pressure of extraneous high-pressure air source with corresponding taper block piece
Cement grout.
Further, the jet-stream wind of above-mentioned first jet port 9, the second jet port 10 and the 3rd jet port 11 with it is vertical
The angle of line is 30 ° -40 °, can make cement mortar impact more smooth during whereabouts to corresponding taper block piece.On and
State 1 side of tank body and be provided with ftercompction air intake vent 12,12 side of ftercompction air intake vent is provided with feather valve 13, the unloading pressure of feather valve 13
Power is 0.8MPa, when cement mortar importing finishes and the pressure in cement mortar pressure pan does not reach 0.4MPa-0.6MPa, Ke Yitong
Cross ftercompction air intake vent 12 and supplement pressure, and when the pressure in cement mortar pressure pan be higher than 0.8MPa, then the beginning of feather valve 13 release.
The side of above-mentioned tank body 1 is provided with grout outlet 14, and grout outlet 14 is connected with spray gun 15, and most cement mortar sprays at last, can also
The bottom of tank body is provided with discharge port 16, tank body 1 can be enable to reuse.
In order to which the present invention is further described, it is exemplified below more detailed embodiment and illustrates.
Embodiment 1
A kind of antirust tension cement grout its include according to percentage by weight：0.3% defoamer；0.3% hydroxypropyl
Ten thousand water-retaining agent of methylcellulose HPMC20；4.7% PVAC polyvinylalcohol 1788；3.8% redispersible latex powder YJ606；
15% high intensity model gypsum powder；45% level-one flyash；0.8% antirust agent；Surplus is cement, water when slurries make
Gray scale is 0.6, is applied to coal road by above-mentioned spraying method or has the stone head of water drenching.By effectively reducing the ratio of mud and guarantor
Aqua, can increase the consolidation strength and adhesive force of slurries, reduce the pulp layer caused by roadway deformation or water drenching and crush, crack now
As.
Embodiment 2
A kind of antirust tension cement grout its include according to percentage by weight：0.4% defoamer；0.4% hydroxypropyl
Ten thousand water-retaining agent of methylcellulose HPMC20；4.5% PVAC polyvinylalcohol 1788；3.5% redispersible latex powder YJ606；
15% high intensity model gypsum powder；45% level-one flyash, 0.8% antirust agent；Surplus is cement, water when slurries make
Gray scale is 0.68.It is applied to stable stone head by above-mentioned spraying method, by increasing the circulation of slurries, uniform fold
Tunnel surface, effectively extends the anti-corrosion time.
Certainly, described above is only presently preferred embodiments of the present invention, should the present invention is not limited to enumerate above-described embodiment
When explanation, any those skilled in the art are all equivalent substitutes for being made, bright under the teaching of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected be subject to the present invention.
Claims (8)
1. a kind of be used to prevent tunnel weathering and metal mesh, the antirust tension cement grout of anchor pole antirust during coal mine roadway driving,
It includes according to percentage by weight：
Above-mentioned substance total content is 100%；
The ratio of mud is when cement grout is made：0.6~0.68.
2. antirust tension cement grout according to claim 1, it is characterised in that above-mentioned cement is 525 cement.
3. antirust tension cement grout according to claim 1, it is characterised in that above-mentioned defoamer is high-carbon polyol fatty acid
One kind in ester complexes, polyoxyethylene polyoxypropylene pentaerythrite ether or polyoxyethylene polyoxy propyl alcohol amidogen ether.
4. a kind of spraying method of antirust tension cement grout as claimed in claim 1, it comprises the following steps：
Above-mentioned substance is proportionally made to antirust tension cement grout, then antirust tension cement grout is imported into cement mortar high pressure
In tank, cement mortar is set to enter the feeding mechanism of cement mortar pressure pan by corresponding pipeline, cement mortar is under the effect of the first jet port
Quickly impact, continue after the first taper block piece is broken up under the effect of the second jet port quickly to the second cone to the first taper block piece
Shape block piece impacts, and continues quickly to impact to triconic block piece under the effect of the 3rd jet port after the second taper block piece is broken up,
Pass through three Secondary Shocks to cement mortar, the lump in thorough crushing cement slurry and be in nature falling state after triconic block piece
Into cement mortar pressure pan；
Synchronous is pressurizeed by the first jet port, the second jet port and the 3rd jet port into cement mortar pressure pan, and cement mortar passes
It is totally lost complete rear enclosed feeding mouth；If cement mortar high pressure pressure inside the tank is less than preset value, cement mortar height is made by ftercompction air intake vent
Pressure inside the tank is pressed to reach preset value；Spray gun is then turned on to spray the cement mortar in cement mortar pressure pan；
Antirust tension cement grout is uniformly sprayed to tunnel and metal mesh, anchor pole panel surface, cladding thickness 1mm.
5. spraying method according to claim 4, it is characterised in that above-mentioned cement mortar pressure pan includes tank body, tank body
Top is provided with feeding mouth, and a feeding mechanism is provided with feeding mouth, and pan feeding mouth mechanism includes the feeding cylinder with air-inlet cavity, into
Barrel is arranged vertically, has been sequentially arranged the first taper block piece, the second taper block piece and triconic in feeding cylinder from top to bottom and has been kept off
Part, the first taper block piece, the area coverage of the second taper block piece and triconic block piece are sequentially reduced, and feeding cylinder is bored with first
Shape block piece upper end corresponding position is provided with the first jet port, and feeding cylinder is being provided with the second spray with the second taper block piece upper end corresponding position
Loophole, feeding cylinder are being provided with the 3rd jet port with triconic block piece upper end corresponding position, the first jet port, the second jet port,
3rd jet port is connected with air-inlet cavity, and jet port is engaged with corresponding taper block piece and breaks up cement grout.
6. spraying method according to claim 5, it is characterised in that above-mentioned first jet port, the second jet port and the 3rd
The jet-stream wind of jet port and the angle of vertical curve are 30 ° -40 °.
7. spraying method according to claim 5, it is characterised in that above-mentioned tank body side is provided with ftercompction air intake vent, mends
Press-in air port side is provided with feather valve, and the unloading pressure of feather valve is 0.8MPa.
8. spraying method according to claim 5, it is characterised in that the side of above-mentioned tank body is provided with grout outlet, pulp
Pipe is connected with spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169805.9A CN108033747B (en) | 2017-11-22 | 2017-11-22 | Antirust tensile cement slurry and spraying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169805.9A CN108033747B (en) | 2017-11-22 | 2017-11-22 | Antirust tensile cement slurry and spraying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108033747A true CN108033747A (en) | 2018-05-15 |
| CN108033747B CN108033747B (en) | 2020-04-21 |
Family
ID=62094111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711169805.9A Active CN108033747B (en) | 2017-11-22 | 2017-11-22 | Antirust tensile cement slurry and spraying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108033747B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08245255A (en) * | 1995-03-08 | 1996-09-24 | Hazama Gumi Ltd | Low powder spraying concrete composition |
| CN102924030A (en) * | 2012-01-16 | 2013-02-13 | 四川达竹煤电(集团)有限责任公司 | Novel underground spray coating material and preparation method thereof |
| CN103693922A (en) * | 2013-09-16 | 2014-04-02 | 山东科技大学 | Mining spraying material formula and application method |
| CN106927773A (en) * | 2017-04-10 | 2017-07-07 | 龙岩学院 | Mining spraying wind leaking stoppage material and preparation facilities |
-
2017
- 2017-11-22 CN CN201711169805.9A patent/CN108033747B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08245255A (en) * | 1995-03-08 | 1996-09-24 | Hazama Gumi Ltd | Low powder spraying concrete composition |
| CN102924030A (en) * | 2012-01-16 | 2013-02-13 | 四川达竹煤电(集团)有限责任公司 | Novel underground spray coating material and preparation method thereof |
| CN103693922A (en) * | 2013-09-16 | 2014-04-02 | 山东科技大学 | Mining spraying material formula and application method |
| CN106927773A (en) * | 2017-04-10 | 2017-07-07 | 龙岩学院 | Mining spraying wind leaking stoppage material and preparation facilities |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108033747B (en) | 2020-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111533519B (en) | Flexible spraying material for tunnel roadway support and preparation method and application thereof | |
| CN111533518B (en) | Flexible spraying material for mine roadway support and preparation method and application thereof | |
| CN101844902B (en) | High-strength expandable mine sealing material capable of being solidified quickly | |
| CN103086672B (en) | A kind of wet shotcreting and production method thereof | |
| CN110627446B (en) | Economical and environment-friendly tunnel shotcrete and construction process | |
| CN101915109A (en) | Concrete spraying method for reducing dust and decreasing resilience | |
| CN109956712A (en) | Continous way builds recycled aggregate filling coal mine gob system and technique | |
| CN101638988A (en) | Method for wet spraying with extra-dry or ultra-dry stiff concrete | |
| CN111056804A (en) | Manufacturing method and construction method of underground thin gunning material of coal mine and pneumatic guniting device | |
| CN113800870A (en) | High-toughness thin-spraying material for rapid sealing and reinforcing underground coal mine and using method thereof | |
| CN102635373B (en) | High-pressure hydraulic injection system | |
| CN104386987A (en) | Modified asphalt emulsion and modified cement composite grouting material and preparation method thereof | |
| CN108825301A (en) | A kind of quick walling method of heap pneumatically placed concrete for underground coal mine | |
| CN108033747A (en) | A kind of antirust tension cement grout and spraying method | |
| CN104482814B (en) | A kind of obstruction method for underground explosion engineering big gun hole and stemming spraying machine | |
| CN107476297A (en) | The Cement Mixing Pile constructing device of a kind of soft foundation processing and its into pile operation method | |
| CN112300611B (en) | Mining wet type thin spraying material and application thereof | |
| CN112983479B (en) | Roadway surrounding rock sealing protection method | |
| CN107893668A (en) | Colliery air cement slurries spraying equipment and air cement slurries spraying method | |
| CN105626097B (en) | Thin-spraying sealing material, thin-spraying sealing method and open type powder spraying equipment | |
| CN103496901A (en) | Poor-quality surrounding rock concrete wet-spraying method | |
| CN113845846A (en) | Waterproof reinforcing and rapid sealing thin-spraying material for broken surrounding rock tunnel and spraying device | |
| CN113880508A (en) | Material for quickly sealing easily weathered surrounding rock of coal mine bottom suction roadway and using method thereof | |
| CN104944880A (en) | Low-silica iron ore tailing non-autoclave block with good hydrolytic resistance and preparation method | |
| CN111548075A (en) | Guniting material suitable for surface treatment of stone coal mine tunnel and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |