CN104056389B - Zeolite netted gel foam preventing slurry extinguishing chemical - Google Patents
Zeolite netted gel foam preventing slurry extinguishing chemical Download PDFInfo
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- CN104056389B CN104056389B CN201410279181.6A CN201410279181A CN104056389B CN 104056389 B CN104056389 B CN 104056389B CN 201410279181 A CN201410279181 A CN 201410279181A CN 104056389 B CN104056389 B CN 104056389B
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- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 115
- 239000010457 zeolite Substances 0.000 title claims abstract description 115
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000006260 foam Substances 0.000 title claims abstract description 70
- 239000000126 substance Substances 0.000 title claims abstract description 45
- 239000002002 slurry Substances 0.000 title claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 67
- 229960000892 attapulgite Drugs 0.000 claims abstract description 55
- 239000004927 clay Substances 0.000 claims abstract description 55
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 55
- 239000003063 flame retardant Substances 0.000 claims abstract description 48
- -1 Zeolite compound Chemical class 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910001868 water Inorganic materials 0.000 claims abstract description 42
- 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 claims abstract description 40
- 229920000742 Cotton Polymers 0.000 claims abstract description 26
- 238000005507 spraying Methods 0.000 claims abstract description 26
- 230000004913 activation Effects 0.000 claims abstract description 18
- 238000004887 air purification Methods 0.000 claims abstract description 16
- 239000010451 perlite Substances 0.000 claims abstract description 10
- 235000019362 perlite Nutrition 0.000 claims abstract description 10
- 230000008961 swelling Effects 0.000 claims abstract description 9
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000661 sodium alginate Substances 0.000 claims abstract description 7
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 7
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 238000010298 pulverizing process Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000005065 mining Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 229940008099 dimethicone Drugs 0.000 claims description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 5
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000011265 semifinished product Substances 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- 230000000274 adsorptive effect Effects 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 230000032683 aging Effects 0.000 claims description 2
- 239000004568 cement Substances 0.000 claims description 2
- 229940125898 compound 5 Drugs 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000004033 diameter control Methods 0.000 claims description 2
- 238000000855 fermentation Methods 0.000 claims description 2
- 230000004151 fermentation Effects 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 23
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000005187 foaming Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 231100000252 nontoxic Toxicity 0.000 description 4
- 230000003000 nontoxic effect Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- HIGRAKVNKLCVCA-UHFFFAOYSA-N alumine Chemical compound C1=CC=[Al]C=C1 HIGRAKVNKLCVCA-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 description 1
- 229910052908 analcime Inorganic materials 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 229910001603 clinoptilolite Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052677 heulandite Inorganic materials 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000006742 locomotor activity Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052679 scolecite Inorganic materials 0.000 description 1
- 229910052665 sodalite Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Abstract
The invention discloses a kind of zeolite netted gel foam preventing slurry extinguishing chemical, its technical scheme is characterized by, by flame-retardant expanded dose of Zeolite compound, have that the attapulgite potter's clay powder of air purification function, inorfil spraying be cotton, zeolite powder, colliery powder, swelling perlite powder, sodium alginate and water after activation forms.The dispensing of netted for zeolite gel foam preventing slurry extinguishing chemical being inputted in plough type batch mixer, high-speed stirred is zeolite netted gel foam preventing slurry extinguishing chemical.Network gel foam mud is ejected into the coal seam of burning by inorfil flush coater, be conducive to generating the network gel foam mud film of a kind of globality during fire extinguishing, all the time the surface sticking to ore bed is covered, rapid isolation burning coal layer contacts with air, colliery is stoped to burn away, avoiding coal seam resume combustion, reach fire-retardant and fire extinguishing purpose, zeolite netted gel foam preventing slurry extinguishing chemical is applicable to colliery, mine operation district and the fire extinguishing of forest.
Description
Technical field
The present invention relates to fire-prevention extinguishing agent, be specifically related to a kind of zeolite netted gel foam preventing slurry extinguishing chemical.
Background technology
Mining exploitation has the advantages such as highly efficient and productive, low consumption, applies at China's a lot of coal production base popularity.But owing to the mining rate of this coal-mining method is big, it is many that residual coal is left in goaf, and height is big, leaks out serious, the series of problems, particularly fire such as insoluble fire, gas, dust often occurs.
Fire foam is divided into chemical foam, air foam, fluoroprotein foam, AFFF and water-resistant foam etc..
China Patent Publication No. CN 102614615A, publication date: on 08 01st, 2012, entitled " a kind of for complex foam extinguishing agent for coal mine ", disclose " a kind of for complex foam extinguishing agent for coal mine; to it is characterized in that: be made up of following raw materials according: major ingredient be concentration be 40%～60% ammonium hydrogen carbonate or sodium bicarbonate aqueous solution and concentrated sulphuric acid; mixing than 2:1～3:1 by Solute mass, adjuvant is stabilizer and foaming agent, and described supplementary product consumption is major ingredient gross weight 0.1%～2% ".
The weak point of above-mentioned patent is: although this extinguishing chemical coefficient of foaming can reach 20～200 times, foam stabilization time >=2.5h, but can only make " noble gas carbon dioxide foaming is at flame range internal diffusion and is full of its space; make oxygen concentration dramatic decrease in flame range; make flame range suffocate because of anoxia " at short notice, can not be truly realized contacting of isolation burning coal layer and air, prevention colliery burns away, avoid coal seam resume combustion, reach fire-retardant and fire extinguishing purpose.With ammonium hydrogen carbonate for the main raw material of extinguishing chemical, fire extinguishing procedure can discharge substantial amounts of ammonia, pollute the air of down-hole, be unfavorable for the health of operator.
Gangue is thrown aside, takies tract, the effusion of sulfide in gangue or leach can atmosphere pollution, farmland and water body, hillock also can spontaneous combustion breaking out of fire, or in avalanche in rainy season, silt river up and cause disaster.
Summary of the invention
It is an object of the invention to overcome weak point in prior art, it is provided that a kind of zeolite netted gel foam preventing slurry extinguishing chemical.
Zeolite netted gel foam preventing slurry extinguishing chemical by flame-retardant expanded dose of Zeolite compound, have that the attapulgite potter's clay powder of air purification function, inorfil spraying be cotton, zeolite powder, colliery powder, swelling perlite powder, sodium alginate and water after activation forms.
The production method of zeolite netted gel foam preventing slurry extinguishing chemical: the dispensing of netted for zeolite gel foam preventing slurry extinguishing chemical being inputted in plough type batch mixer, high-speed stirred is zeolite netted gel foam preventing slurry extinguishing chemical.
Zeolite has powerful adsorption function, polar molecule such as H2O, NH3, H2S, CO2 etc. there is the highest affinity, even if remaining to active adsorption under low relative humidity, low concentration, higher temperature conditions, therefore be stable performance, adsorbent that adsorption effect is good, can be used for exhaust-gas treatment and air cleaning.
Water in zeolite is heated to about 200 DEG C and can escape, and zeolite is activated, and forms loose porous spongy body, makes the characteristic such as absorption and cation exchange be played.500 DEG C～not only can improve its mechanical strength but also pore volume can be strengthened during 550 DEG C of calcinations, increase specific surface area, also can increase the locomotor activity of cation, make ion exchange carry out more abundant.
The zeolite that the present invention selects has: clinoptilolite, modenite, analcime, chabasie, scolecite, heulandite, sodalite, modenite and foresite.
Have that the attapulgite potter's clay powder of air purification function is glued attapulgite clay by height, attapulite constant humidity amendment, natural-minerals adsorptive filter medium, Cacumen Platycladi, aluminium silicate fiber peacekeeping polyacrylamide form；There is preferable caking property, plasticity, thixotropy, fire resistance and heat stability；Can effectively adsorb the healthy of the harmful substances such as formaldehyde in air, ammonia and benzene, protection environment and enhancement people.
High viscous attapulgite clay is the attapulgite clay that the processing technique using and improving viscosity of attapulgite clay produces, attapulgite clay is after dispensing stirs, input grinding machine carries out pulverizing for the viscous attapulgite clay powder of height, fineness of the particles≤0.074 millimeter.
High viscous attapulgite clay soil property is fine and smooth, has oily soapy, and light weight, property are crisp, fracture is conchoidal or irregular shape, and water absorption is strong, has viscosity and plasticity time wet, viscosity >=2200mPa the s of high viscous attapulgite clay powder, adhesive force is good, beneficially the bonding between raw material.
Hydrogen peroxide is commonly called as hydrogen peroxide, and outward appearance is colourless transparent liquid, is a kind of strong oxidizer, and the present invention selects mass fraction >=35% of industrial hydrogen peroxide.Substantial amounts of bubble can be generated after mixing with dispensings such as zeolite powder and the attapulgite potter's clay powder with air purification function.
Aluminium hydroxide can not only be fire-retardant as fire retardant, and be possible to prevent to be fuming, do not produce droppings, do not produce toxic gas.
Polyoxyethylenated alcohol sodium sulfate is soluble in water, has excellent decontamination, emulsifying, foam performance and hard water resistance performance, is a kind of anion surfactant.
Micronized polyethylene alcohol powder is a kind of white, powdery, stable, nontoxic high molecular weight water soluble polymer, and energy rapid solution, in normal-temperature water, forms stable colloid, and water is the solvent that polyvinyl alcohol is good.Polyvinyl alcohol has good film of making, and the film of formation has the adhesion of excellence, solvent resistance, rub resistance, tensile strength and oxygen barrier performance, it is possible to increase the viscosity of foam, there is certain foam stabilizing effect, and the product bulk strength using flame-retardant expanded dose of Zeolite compound to produce can be improved.
Dimethicone surface tension is little, water insoluble, chemical stability is good, nontoxic, it is a kind of defoamer and remover, for eliminating the invalid bubble generated in foaming process, improve the make rate of abscess, quick demoulding and prevent the mould that collapses when also helping cast foamed materials, carries out flame-retarding fire-extinguishing for fire-extinguishing location, can be without dimethicone.
Inorfil spraying cotton is that to utilize industrial waste slag (blast-furnace cinder or Copper Slag, aluminium ore slag etc.) be primary raw material, through fusing, uses the staple shape inorfil that the technique such as supercentrifugal process or blowing process makes.It has light weight, the feature such as heat conductivity is little, do not burn, mothproof, inexpensive, corrosion-resistant, chemical stability is good and sound absorbing capabilities is good.
Gangue is the solid waste of discharge during coal mining process and coal washing, the present invention uses gangue can increase the content of zeolite netted gel foam preventing slurry extinguishing chemical aluminium oxide, improve the surface strength of network gel foam mud film, the present invention selects the colliery powder after pulverizing, fineness of the particles≤0.074 millimeter of colliery powder.
The fired expansion of perlite and become a kind of lightweight, multifunctional novel shaped material.Have that apparent density is light, heat conductivity is low, chemical stability is good, use that temperature range is wide, wettability power is little, and the feature such as nontoxic, tasteless, fire prevention, sound-absorbing.The present invention selects the swelling perlite powder after pulverizing, fineness of the particles≤0.074 millimeter of swelling perlite powder.
Sodium alginate is white or light tan powder, ratio can be dissolved in water arbitrarily, forms the thick water solution of good fluidity, beneficially zeolite netted gel foam preventing slurry extinguishing chemical and quickly forms gelinite and strengthen the ability of its film forming.
The technical scheme is that:
1, the dispensing of zeolite netted gel foam preventing slurry extinguishing chemical is made up of following component by weight percentage: Zeolite compound flame-retardant expanded dose 5～55%, the cotton mixture of inorfil spraying 5～35% and water 20～90%.
The production method of zeolite netted gel foam preventing slurry extinguishing chemical: the dispensing of netted for zeolite gel foam preventing slurry extinguishing chemical is inputted in plough type batch mixer, high-speed stirred is zeolite netted gel foam preventing slurry extinguishing chemical, the speed controlling of plough type batch mixer is at 2400～2800 revs/min, and mixing time controlled at 2～20 minutes.
2, flame-retardant expanded dose of dispensing of Zeolite compound is made up of following component by weight percentage: flame-retardant expanded dose of paste of Zeolite compound 5～75%, hydrogen peroxide 1～35%, dimethicone 0～5% and water 1～85%.
The production method that Zeolite compound is flame-retardant expanded dose: will be stirred in flame-retardant expanded for Zeolite compound dose of dispensing input homogenizer, the speed controlling of blender is at 1400～1800 revs/min, mixing time controls at 1～30 minute, for flame-retardant expanded dose of Zeolite compound after stirring, containing the most stable intensive bubble in flame-retardant expanded dose of Zeolite compound.
Flame-retardant expanded dose of paste dispensing of Zeolite compound is made up of following component by weight percentage: zeolite powder after activation 5～55%, there is the attapulgite potter's clay powder 5 of air purification function～45%, aluminium hydroxide 1～35%, polyoxyethylenated alcohol sodium sulfate 0.01～15%, micronized polyethylene alcohol powder 0.01～5% and water 5～55%.
The production method of flame-retardant expanded dose of paste of Zeolite compound: will stir in flame-retardant expanded for Zeolite compound dose of paste dispensing input low-speed mixer, the speed controlling of blender is at 600～800 revs/min, mixing time controls at 1～20 minute, for flame-retardant expanded dose of paste of Zeolite compound after stirring, flame-retardant expanded dose of paste of Zeolite compound produces part bubble.
Flame-retardant expanded dose of Zeolite compound is to use by " flame-retardant expanded dose of Zeolite compound " filed in the present inventor on 06 12nd, 2013, and China Patent Publication No. is: CN
103288485 A, publication date: on JIUYUE 11st, 2013.
3, the dispensing of the cotton mixture of inorfil spraying is made up of following component by weight percentage: inorfil spraying cotton 5～45%, zeolite powder after activation 5～45%, colliery powder 5～35%, swelling perlite powder 2～25% and sodium alginate 0.01～5%.
The production method of the cotton mixture of inorfil spraying: by the dispensing input plough type batch mixer of cotton for inorfil spraying mixture, stirring at low speed is the cotton mixture of inorfil spraying, the speed controlling of plough type batch mixer is at 800～1000 revs/min, and mixing time controlled at 2～20 minutes.
4, the production method of the zeolite powder after activation: 1. will pulverize in zeolite raw ore input pulverizer, fineness of the particles≤2 millimeter；2. the zeolite after pulverizing carries out roasting in being transported to swinging drying oven, and roasting time is 1～3 hour, and sintering temperature controls zeolite water content≤5% at 400～600 DEG C, after roasting；3. the zeolite after roasting is inputted the zeolite powder after being processed as activation in flour mill, fineness of the particles≤0.074 millimeter of the zeolite powder after activation.
The dispensing of the attapulgite potter's clay powder 5, with air purification function is made up of following component by weight percentage: high viscous attapulgite clay 35～60%, attapulite constant humidity amendment 10～35%, natural-minerals adsorptive filter medium 5～20%, Cacumen Platycladi 2～15%, alumina silicate fibre 1～5% and polyacrylamide 0.1～3%；There is the production method of the attapulgite potter's clay powder of air purification function: inputting in pulverizer after (1) the dispensing with the attapulgite potter's clay powder of air purification function being mixed and pulverize, the compound particles fineness after pulverizing is less than 0.5 millimeter；(2) being added by pulverulent mixture and soak in old pond that to carry out soaking old process with water be semi-finished product, soaking the old time controlled at 7～30 days；(3) being inputted by semi-finished product and be squeezed into cylindrical bar in vacuum-extruder, the diameter control of cylindrical bar is at 2～10 millimeters；(4) cylinder bar being input to cement threshing ground and carry out dry in the sun, the cylindrical bar water content after dry in the sun is less than 15%；(5) the cylindrical bar after dry in the sun inputs in grinding machine to carry out pulverizing be powder, and the fineness of the particles of powder is less than 0.074 millimeter, and PCm is weight percentage.
Having the attapulgite potter's clay powder of air purification function is to use by " having the attapulgite potter's clay powder of air purification function " filed in 25 days February in 2011 of the present inventor, and Chinese patent Authorization Notice No. is: CN
102173743 B, authorized announcement date: on July 25th, 2012.
High viscous attapulgite clay is the attapulgite clay that the processing technique using and improving viscosity of attapulgite clay produces, it is characterised in that from the attapulgite clay of mining area exploitation, need the weathering through 30～120 days；Modification processing method is: calculated in weight percent, takes the attapulgite clay after weathering 94～98%, is uniformly added into 2～6% sodium carbonate, in common input fermentation vat, adds clear water and carry out soaking ageing, and soak time is 72～120 hours；Take the attapulgite clay after immersion, input blender is stirred, and by the attapulgite clay after stirring, being extruded into thin slice through extruder, its THICKNESS CONTROL is at 0.5～2 millimeter, by attapulgite clay thin slice, carry out dry in the sun, the attapulgite clay thin slice after dry in the sun, its water content≤15%；Dispensing is calculated in weight percent: attapulgite clay after dry in the sun 94～98%, High hydrophilous resin 0.5～5% and cellulose 0.5～3%, above-mentioned dispensing is stirred, inputting in grinding machine after stirring and carry out pulverizing, fineness of the particles≤0.074 millimeter, PCm is weight percentage.
Above-mentioned production technology is to use " to be improved the processing technique of viscosity of attapulgite clay " by filed in 20 days June in 2005 of the present inventor, and Chinese patent Authorization Notice No. is: CN
1317067C, authorized announcement date: on May 23rd, 2007.
The detection method of high viscous attapulgite clay: take 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, again by the beaker pouring 250mL through high-speed stirred sample suspension into, using NDJ-1 type rotating cylinder viscometer to carry out testing the viscosity of suspension, tested viscosity value >=2200 mPa s is high viscous attapulgite clay.
The present invention selects mass fraction >=35% of industrial hydrogen peroxide, takes production scene to add water and adjusts the dispensing percentage ratio of industrial hydrogen peroxide, advantageously reduce freight and production cost, improves the foaming quality of product.
First by the dispensing input plough type batch mixer of cotton for inorfil spraying mixture, stirring at low speed is the inorfil cotton mixture of spraying, be conducive to by cotton for inorfil spraying with activation after the uniform shredding of zeolite powder, colliery powder, swelling perlite powder and sodium alginate, broken, stirring be mixed into one.
Although flame-retardant expanded dose of Zeolite compound is after flame-retarding fire-extinguishing scene adds water high-speed stirred, can quickly discharge substantial amounts of gas, form cavernous foam mud, may be used for flame-retarding fire-extinguishing, but use merely flame-retardant expanded dose of Zeolite compound, may be only available for general fire-retardant on ground and fire extinguishing, and have its particularity for the material of fire extinguishing in colliery, require that fire-prevention extinguishing agent has preferable mobility, permeability, thixotropy and adhesion property, not only can put out a fire in colliery, also there is contacting of rapidly isolation burning coal layer and air, colliery is stoped to burn away, avoid the function of coal seam resume combustion.
The present invention is constituted a kind of new zeolite network gel foam mud fire-prevention extinguishing agent by after flame-retardant expanded dose of Zeolite compound and the cotton design of mixture of inorfil spraying, can quickly form the network gel foam mud of a kind of sticky porous.
Network gel foam mud is ejected into the coal seam of burning by inorfil flush coater, be conducive to generating the network gel foam mud film of a kind of globality during fire extinguishing, this network gel foam mud film is a kind of flexible thin film, the shape of thin film can be changed along with the displacement of ore bed, it is filled between float coal and the rock crevice of inbreak, blocking the passage that leaks out, minimizing is leaked out.
Network gel foam mud film covers the surface sticking to ore bed all the time, rapid isolation burning coal layer contacts with air, colliery is stoped to burn away, avoid coal seam resume combustion, reach fire-retardant and fire extinguishing purpose, and the pollution of harmful gas can be reduced, network gel foam mud film covers will not produce a large amount of water vapour on the surface of ore bed, there is not water gas blast and danger that water vapour is hurted sb.'s feelings.
During fire extinguishing, the at high temperature slow dehydration of network gel foam mud film produces steam, absorbs big calorimetric, it is thus possible to effectively reduce the temperature within coal seam, network gel foam mud film can keep certain wettability for a long time, prevent coal seam resume combustion；When after the network gel slow dehydration of foam mud film, spray water can be sprayed in network gel foam mud film surface in the past, in network gel foam mud film, High hydrophilous resin and cellulose water suction continue to expand, recovering and strengthen the fire extinguishing effect of network gel foam mud film, the effect of fire extinguishing will be more than more than 24 hours.
There is the raw materials such as the bentonite after the zeolite after the rice hulls after the attapulgite potter's clay powder of air purification function is glued attapulgite clay, quick dissolved sodium silicate, zeolite powder, acidifying by height, acidifying, attapulgite clay after the acidify, acidifying, the kieselguhr after acidifying, volcanic rock, alumine, Cacumen Platycladi, aluminium silicate fiber peacekeeping polyacrylamide form；There is preferable caking property, plasticity, thixotropy, fire resistance and heat stability, can effectively adsorb the healthy of harmful substance in air, protection environment and enhancement people.
The gas that zeolite netted gel foam preventing slurry extinguishing chemical produces in foaming process is lighter than gel foam mud; have a certain amount of gas ionization on gel foam mud film upper strata; coal seam resume combustion below gel foam mud film will not be had a negative impact, and the oxygen contained in gas can help to protect, and miner or fire fighter's is healthy.
Zeolite netted gel foam preventing slurry extinguishing chemical is the fire-retardant fireproofing extinguishing materials of a kind of high-quality, during carrying out fire extinguishing, do not produce carburization zone and flue gas, inorfil spraying cotton fiber in network gel foam mud film interweaves with other dispensing and is bonded as one, form the dimensional network structure with some strength and toughness, remain the integrity of network gel foam mud film, improve the efficiency of fire extinguishing.
Zeolite netted gel foam preventing slurry extinguishing chemical is utilized to carry out fire extinguishing, technique is simple, equipment needed thereby is few, nontoxic, free from environmental pollution, there is preferable mobility, permeability, thixotropy and adhesion property, be conducive to freely burning fire and leak out serious mine scene application, not only can the most fire-retardant and fire extinguishing, also have adsorption cleaning air, reduce the function of mine environment pollution, meet coal mine underground coal bed preventing and treating spontaneous combustion and the requirement of fire, put out a fire fast and effectively and prevent coal seam resume combustion in time, it is ensured that mine safety.
Zeolite netted gel foam preventing slurry extinguishing chemical is applicable to colliery, other mine operation district and the fire extinguishing of forest.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
1, the dispensing of zeolite netted gel foam preventing slurry extinguishing chemical is made up of following component by weight percentage: the cotton mixture 22% of Zeolite compound flame-retardant expanded dose 28%, inorfil spraying and water 50%.
The production method of zeolite netted gel foam preventing slurry extinguishing chemical: the dispensing of netted for zeolite gel foam preventing slurry extinguishing chemical is inputted in plough type batch mixer, high-speed stirred is zeolite netted gel foam preventing slurry extinguishing chemical, the speed controlling of plough type batch mixer is at 2400～2800 revs/min, and mixing time controlled at 12 minutes.
2, flame-retardant expanded dose of dispensing of Zeolite compound is made up of following component by weight percentage: flame-retardant expanded dose of paste 44% of Zeolite compound, hydrogen peroxide 10%, dimethicone 0% and water 46%.
The production method that Zeolite compound is flame-retardant expanded dose: will be stirred in flame-retardant expanded for Zeolite compound dose of dispensing input homogenizer, the speed controlling of blender is at 1400～1800 revs/min, mixing time controls at 10 minutes, for flame-retardant expanded dose of Zeolite compound after stirring.
Flame-retardant expanded dose of paste dispensing of Zeolite compound is made up of following component by weight percentage: zeolite powder 38% after activation, have the attapulgite potter's clay powder 16% of air purification function, aluminium hydroxide 4%, polyoxyethylenated alcohol sodium sulfate 2%, micronized polyethylene alcohol powder 0.5% and water 39.5%.
The production method of flame-retardant expanded dose of paste of Zeolite compound: will stir in flame-retardant expanded for Zeolite compound dose of paste dispensing input low-speed mixer, the speed controlling of blender is at 600～800 revs/min, mixing time controls at 15 minutes, for flame-retardant expanded dose of paste of Zeolite compound after stirring.
3, the dispensing of the cotton mixture of inorfil spraying is made up of following component by weight percentage: zeolite powder 34%, colliery powder 25%, swelling perlite powder 6% and the sodium alginate 1% after inorfil spraying cotton 34%, activation.
The production method of the cotton mixture of inorfil spraying: by the dispensing input plough type batch mixer of cotton for inorfil spraying mixture, stirring at low speed is the cotton mixture of inorfil spraying, the speed controlling of plough type batch mixer is at 800～1000 revs/min, and mixing time controlled at 10 minutes.
4, the production method of the zeolite powder after activation: 1. will pulverize in zeolite raw ore input pulverizer, fineness of the particles≤2 millimeter；2. the zeolite after pulverizing carries out roasting in being transported to swinging drying oven, and roasting time is 2 hours, and sintering temperature controls zeolite water content≤5% at 450～500 DEG C, after roasting；3. the zeolite after roasting is inputted the zeolite powder after being processed as activation in flour mill, fineness of the particles≤0.074 millimeter of the zeolite powder after activation.
Claims (8)
1. a zeolite netted gel foam preventing slurry extinguishing chemical, it is characterized in that, the dispensing of zeolite netted gel foam preventing slurry extinguishing chemical is made up of following component by weight percentage: Zeolite compound flame-retardant expanded dose 5～55%, the cotton mixture of inorfil spraying 5～35% and water 20～90%；
Flame-retardant expanded dose of dispensing of described Zeolite compound is made up of following component by weight percentage: flame-retardant expanded dose of paste of Zeolite compound 5～75%, hydrogen peroxide 1～35%, dimethicone 0～5% and water 1～85%；Flame-retardant expanded dose of paste dispensing of Zeolite compound is made up of following component by weight percentage: zeolite powder after activation 5～55%, there is the attapulgite potter's clay powder 5 of air purification function～45%, aluminium hydroxide 1～35%, polyoxyethylenated alcohol sodium sulfate 0.01～15%, micronized polyethylene alcohol powder 0.01～5% and water 5～55%；
The dispensing of the cotton mixture of described inorfil spraying is made up of following component by weight percentage: inorfil spraying cotton 5～45%, zeolite powder after activation 5～45%, colliery powder 5～35%, swelling perlite powder 2～25% and sodium alginate 0.01～5%.
The production method of zeolite netted gel foam preventing slurry extinguishing chemical the most according to claim 1, it is characterized in that, the dispensing of netted for zeolite gel foam preventing slurry extinguishing chemical is inputted in plough type batch mixer, high-speed stirred is zeolite netted gel foam preventing slurry extinguishing chemical, the speed controlling of plough type batch mixer is at 2400～2800 revs/min, and mixing time controlled at 2～20 minutes.
Zeolite the most according to claim 1 netted gel foam preventing slurry extinguishing chemical, it is characterized in that, the production method that Zeolite compound is flame-retardant expanded dose: will be stirred in flame-retardant expanded for Zeolite compound dose of dispensing input homogenizer, the speed controlling of blender is at 1400～1800 revs/min, mixing time controls at 1～30 minute, for flame-retardant expanded dose of Zeolite compound after stirring.
Zeolite the most according to claim 1 netted gel foam preventing slurry extinguishing chemical, it is characterized in that, the production method of flame-retardant expanded dose of paste of Zeolite compound: will stir in flame-retardant expanded for Zeolite compound dose of paste dispensing input low-speed mixer, the speed controlling of blender is at 600～800 revs/min, mixing time controls at 1～20 minute, for flame-retardant expanded dose of paste of Zeolite compound after stirring.
Zeolite the most according to claim 1 netted gel foam preventing slurry extinguishing chemical, it is characterized in that, the production method of the cotton mixture of inorfil spraying: by the dispensing input plough type batch mixer of cotton for inorfil spraying mixture, stirring at low speed is the cotton mixture of inorfil spraying, the speed controlling of plough type batch mixer is at 800～1000 revs/min, and mixing time controlled at 2～20 minutes.
Zeolite the most according to claim 1 netted gel foam preventing slurry extinguishing chemical, it is characterised in that the zeolite powder production method after activation is: 1. will pulverize in zeolite raw ore input pulverizer, fineness of the particles≤2 millimeter；2. the zeolite after pulverizing carries out roasting in being transported to swinging drying oven, and roasting time is 1～3 hour, and sintering temperature controls zeolite water content≤5% at 400～600 DEG C, after roasting；3. the zeolite after roasting is inputted the zeolite powder after being processed as activation in flour mill, fineness of the particles≤0.074 millimeter of the zeolite powder after activation.
Zeolite the most according to claim 1 netted gel foam preventing slurry extinguishing chemical, it is characterized in that, the dispensing of the attapulgite potter's clay powder with air purification function is made up of following component by weight percentage, high viscous attapulgite clay 35～60%, attapulite constant humidity amendment 10～35%, natural-minerals adsorptive filter medium 5～20%, Cacumen Platycladi 2～15%, alumina silicate fibre 1～5% and polyacrylamide 0.1～3%；There is the production method of the attapulgite potter's clay powder of air purification function: inputting in pulverizer after (1) the dispensing with the attapulgite potter's clay powder of air purification function being mixed and pulverize, the compound particles fineness after pulverizing is less than 0.5 millimeter；(2) being added by pulverulent mixture and soak in old pond that to carry out soaking old process with water be semi-finished product, soaking the old time controlled at 7～30 days；(3) being inputted by semi-finished product and be squeezed into cylindrical bar in vacuum-extruder, the diameter control of cylindrical bar is at 2～10 millimeters；(4) cylinder bar being input to cement threshing ground and carry out dry in the sun, the cylindrical bar water content after dry in the sun is less than 15%；(5) the cylindrical bar after dry in the sun inputs in grinding machine to carry out pulverizing be powder, and the fineness of the particles of powder is less than 0.074 millimeter；
High viscous attapulgite clay is the attapulgite clay that the processing technique using and improving viscosity of attapulgite clay produces, and from the attapulgite clay of mining area exploitation, needs the weathering through 30～120 days；Modification processing method is: calculated in weight percent, takes the attapulgite clay after weathering 94～98%, is uniformly added into 2～6% sodium carbonate, in common input fermentation vat, adds clear water and carry out soaking ageing, and soak time is 72～120 hours；Take the attapulgite clay after immersion, input blender is stirred, and by the attapulgite clay after stirring, being extruded into thin slice through extruder, its THICKNESS CONTROL is at 0.5～2 millimeter, by attapulgite clay thin slice, carry out dry in the sun, the attapulgite clay thin slice after dry in the sun, its water content≤15%；Dispensing is calculated in weight percent: attapulgite clay after dry in the sun 94～98%, High hydrophilous resin 0.5～5% and cellulose 0.5～3%, above-mentioned dispensing is stirred, inputs in grinding machine and carry out pulverizing, fineness of the particles≤0.074 millimeter after stirring；
The detection method of high viscous attapulgite clay: take 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, again by the beaker pouring 250mL through high-speed stirred sample suspension into, using NDJ-1 type rotating cylinder viscometer to carry out testing the viscosity of suspension, tested viscosity value >=2200 mPa s is high viscous attapulgite clay.
Zeolite the most according to claim 1 netted gel foam preventing slurry extinguishing chemical, it is characterised in that fineness of the particles≤0.074 millimeter of colliery powder, fineness of the particles≤0.074 millimeter of swelling perlite powder.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265811A (en) * | 2008-04-28 | 2008-09-17 | 中国矿业大学 | Preparation method for multiphase gel foam for controlling coal autogeneous combustion |
| CN101766877A (en) * | 2010-02-05 | 2010-07-07 | 北京科技大学 | Inorganic salt type inhibitor for preventing and controlling spontaneous combustion of residual coal in goaf of coal mine |
| CN103265206A (en) * | 2013-05-27 | 2013-08-28 | 许盛英 | Zeolite flame-retardant foaming agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265811A (en) * | 2008-04-28 | 2008-09-17 | 中国矿业大学 | Preparation method for multiphase gel foam for controlling coal autogeneous combustion |
| CN101766877A (en) * | 2010-02-05 | 2010-07-07 | 北京科技大学 | Inorganic salt type inhibitor for preventing and controlling spontaneous combustion of residual coal in goaf of coal mine |
| CN103265206A (en) * | 2013-05-27 | 2013-08-28 | 许盛英 | Zeolite flame-retardant foaming agent |
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