CN107308583B - Mining fire extinguishing material additive and application thereof - Google Patents
Mining fire extinguishing material additive and application thereof Download PDFInfo
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- CN107308583B CN107308583B CN201710410438.0A CN201710410438A CN107308583B CN 107308583 B CN107308583 B CN 107308583B CN 201710410438 A CN201710410438 A CN 201710410438A CN 107308583 B CN107308583 B CN 107308583B
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- fire extinguishing
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- extinguishing material
- sodium
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- 239000000463 material Substances 0.000 title claims abstract description 54
- 239000000654 additive Substances 0.000 title claims abstract description 37
- 230000000996 additive effect Effects 0.000 title claims abstract description 35
- 238000005065 mining Methods 0.000 title claims description 14
- 239000003245 coal Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000011049 filling Methods 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 12
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000010881 fly ash Substances 0.000 claims abstract description 9
- 239000003085 diluting agent Substances 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims description 27
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 15
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 11
- 235000018553 tannin Nutrition 0.000 claims description 11
- 229920001864 tannin Polymers 0.000 claims description 11
- 239000001648 tannin Substances 0.000 claims description 11
- 229920000609 methyl cellulose Polymers 0.000 claims description 10
- 239000001923 methylcellulose Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims description 8
- 239000002250 absorbent Substances 0.000 claims description 7
- 239000002956 ash Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 6
- 239000005995 Aluminium silicate Substances 0.000 claims description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims description 5
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000000375 suspending agent Substances 0.000 abstract description 4
- 239000002270 dispersing agent Substances 0.000 abstract description 3
- 239000004094 surface-active agent Substances 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 230000002265 prevention Effects 0.000 description 8
- 230000002269 spontaneous effect Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000012237 artificial material Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- -1 grouting Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005445 natural material Substances 0.000 description 2
- 229910000273 nontronite Inorganic materials 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 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 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 241000978776 Senegalia senegal Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical compound [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 235000012216 bentonite Nutrition 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
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OOCMUZJPDXYRFD-UHFFFAOYSA-L calcium;2-dodecylbenzenesulfonate Chemical compound [Ca+2].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O OOCMUZJPDXYRFD-UHFFFAOYSA-L 0.000 description 1
- VNSBYDPZHCQWNB-UHFFFAOYSA-N calcium;aluminum;dioxido(oxo)silane;sodium;hydrate Chemical compound O.[Na].[Al].[Ca+2].[O-][Si]([O-])=O VNSBYDPZHCQWNB-UHFFFAOYSA-N 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 229910000271 hectorite Inorganic materials 0.000 description 1
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910000275 saponite Inorganic materials 0.000 description 1
- 229910000276 sauconite Inorganic materials 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- VXYADVIJALMOEQ-UHFFFAOYSA-K tris(lactato)aluminium Chemical compound CC(O)C(=O)O[Al](OC(=O)C(C)O)OC(=O)C(C)O VXYADVIJALMOEQ-UHFFFAOYSA-K 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0028—Liquid extinguishing substances
- A62D1/005—Dispersions; Emulsions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/08—Rock dusting of mines; Depositing other protective substances
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Fire-Extinguishing Compositions (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The fire extinguishing material additive for mine and the application thereof comprises the following components by weight: 40-80 parts of silicate material, 0.1-5 parts of tackifier, 1-10 parts of dispersing agent, 5-20 parts of surfactant, 1-10 parts of suspending agent, 1-10 parts of high-molecular water-absorbing resin and 1-10 parts of diluent. The advantages are that: the fire extinguishing material additive has the advantages of easily available raw materials, low cost, easy realization, good gelling effect, strong water retention capacity, low water loss speed, suitability for being added into coal mine underground filling grouting materials such as fly ash, yellow mud and white mud, and excellent fire preventing and extinguishing performance.
Description
Technical Field
the invention belongs to the field of fire prevention and extinguishing materials, and particularly relates to a mine fire extinguishing material additive and application thereof.
Background
The fire caused by spontaneous combustion of coal seriously harms the safety production of coal mines. Compared with other main coal producing countries in the world, the low-grade coal in China has more varieties, and the spontaneous combustion ignition mines have wide range and more quantity, and are one of the countries with the highest spontaneous combustion ignition rate of the coal in the world.
At present, large-area coal field fires exist in China in Xinjiang, Ningxia, inner Mongolia and other provinces, the coal quantity is burnt by 1000-1360 million tons every year, and the economic loss exceeds 200 million yuan. The spontaneous combustion of coal not only burns a large amount of coal resources, but also generates a large amount of SO2、CO、CO2And the poisonous and harmful gases seriously pollute the environment and endanger the life safety of underground personnel, meanwhile, the spontaneous combustion of coal can also induce the explosion of gas and coal dust, so that many serious accidents occur in China every year, and huge disasters are brought to mines.
in order to effectively prevent coal spontaneous combustion, fire prevention and extinguishing technologies such as nitrogen, stopping agents, grouting, gel, three-phase foam and the like are generally adopted at present. The gel has the advantages of good covering performance and strong heat absorption and cooling capacity, but has the defects of small diffusion range and poor flowing performance; the three-phase foam has the advantages of wide diffusion range and high fire extinguishing speed, but the coverage performance and the heat absorption and temperature reduction performance of the broken foam are poor.
The grouting is one of the most main fire prevention and extinguishing means under coal mine in China, the slurry can absorb heat and cool, has a wrapping effect on coal bodies, achieves the purpose of oxygen isolation, and has obvious fire prevention and extinguishing effects. When grouting fire prevention and extinguishing, the slurry concentration has great influence on the fire prevention and extinguishing effect, and if the slurry concentration is increased, the fly ash is easy to settle in the pipeline, so that the problem of pipeline blockage is caused. To solve the above problem, the art uses a large water-cement ratio (8:1-20:1) to solve the problem. However, after the thin mortar is put into the well, most of the ash flows with water, and the water and the ash are separated immediately after the thin mortar is static, so that the underground ash water of the mine overflows, and the workload, the power consumption and the abrasion of a water pump for draining water from the mine to the ground are greatly increased. Scattered coal ash piles are piled up at four places underground, and the underground working environment is seriously polluted. In addition, when water and ash are separated and water is lost from ash, air enters mortar, large-area direct contact between carbon particles and oxygen is caused, and the hazards of carbon smoldering and carbon spontaneous combustion are brought to multiple underground places. Practice and theory prove that the large cement-water ratio slurry conveying and well filling have poor effect, high comprehensive cost and large additional workload, and cannot be implemented in mines.
The composite colloid fire preventing and extinguishing technology developed in recent years mainly utilizes the existing grouting system of coal mines to prepare high-concentration slurry from water and pulping raw materials (loess or fly ash and the like), a thickening suspending agent is added to prevent the slurry from precipitating, then the slurry is conveyed to a use place through a grouting pipeline, a small amount of gelling agent is added, and the slurry is mixed and injected into a firing part to form gel, so that the fire preventing and extinguishing effect is achieved. The technology has the characteristics of high fire extinguishing speed, good safety, low fire zone inflammability and the like. However, the currently used additives have the defects of high cost, poor gelling effect and the like.
Disclosure of Invention
the invention aims to solve the technical problem of providing a mine fire extinguishing material additive and application thereof, wherein the fire extinguishing material additive has the advantages of easily available raw materials, low cost, easy realization, good gelling effect, strong water retention capacity and slow water loss speed, and is suitable for being added into coal mine underground filling grouting materials such as fly ash, yellow mud, white mud and the like, so that the fire extinguishing material additive has excellent fire preventing and extinguishing performance.
The technical solution of the invention is as follows:
The mine fire extinguishing material additive is suitable for coal mine underground filling grouting materials such as fly ash, yellow mud and white mud, and comprises the following components in parts by weight: 40-80 parts of silicate material, 0.1-5 parts of tackifier, 1-10 parts of dispersing agent, 5-20 parts of surfactant, 1-10 parts of suspending agent, 1-10 parts of high-molecular water-absorbing resin and 1-10 parts of diluent.
Further, the silicate material is a silicate-containing natural or artificial material, for example, the silicate-containing natural material is selected from one or more of montmorillonite, nontronite, beidellite, water glass, hectorite, saponite, sauconite, stevensite, nontronite, kaolin, and illite, and the silicate-containing artificial material is selected from one or more of sodium silicate, calcium silicate, magnesium silicate, and aluminum silicate.
Further, the tackifier is selected from sodium tripolyphosphate, sodium hexametaphosphate or sodium polyphosphate.
Further, the dispersant is at least one selected from boric acid, aluminum sulfate, aluminum lactate, sodium carbonate and sodium bicarbonate.
Further, the surfactant is selected from at least one of calcium dodecyl benzene sulfonate, sodium lignosulfonate, sodium dodecyl sulfate, nonylphenol polyoxyethylene ether phosphate and fatty alcohol polyoxyethylene ether phosphate ammonium salt.
Further, the high molecular water-absorbing resin is selected from polyacrylates, polyvinyl alcohols, vinyl acetate copolymers, polyurethanes, polyethylene oxides or starch graft copolymers, or a mixture of two or more of the foregoing polymers.
Further, the suspending agent is at least one selected from the group consisting of methylcellulose, hydroxymethylmethylcellulose, hydroxyethylmethylcellulose, xanthan gum, sodium alginate, gum arabic, bentonite, white carbon black, starch, and acrylic acid.
further, the additive comprises the following components in parts by weight: 50-70 parts of silicate material, 0.5-2 parts of sodium tripolyphosphate, 3-7 parts of sodium carbonate, 7-13 parts of sodium lignosulfonate, 3-8 parts of hydroxymethyl methylcellulose, 3-8 parts of polyacrylate high-molecular water-absorbing resin and 3-8 parts of diluent.
Further, the silicate material is selected from montmorillonite, kaolin or sodium silicate; the diluent is tannin or tannin extract.
The application of the mine fire extinguishing material additive in the preparation of the coal mine underground filling grouting material is characterized by grinding and uniformly mixing the additive until the particle size of powder is below 200 mu m to obtain fire extinguishing material additive powder, taking fly ash, preparing slurry according to the mass ratio of water to ash of 3:1, then adding the fire extinguishing material additive powder accounting for 1% of the weight of the slurry to obtain grouting slurry, and conveying the grouting slurry to the underground of a burning coal mine through a pipeline by using a thick slurry pump to extinguish fire and prevent fire.
The invention has the beneficial effects that:
(1) The raw materials have low cost, are green and environment-friendly, are nontoxic and tasteless, and have no pollution and no corrosion to human bodies and equipment.
(2) The mining fire extinguishing material additive has strong water retention capacity and slow water loss speed. And forming a stable antioxidant water-containing partition layer on the surface of the coal seam gangue. The contact of the separated geological coal seam and oxygen can fully wrap and cover the coal particles.
(3) The fire extinguishing material additive for the mine does not burn and support combustion. High thermal stability and no harmful gas generated during high-temperature calcination.
(4) And filling the filler mixed with the mining fire extinguishing material additive into the surface of the coal seam for uniform diffusion. The filler is heated without generating a large amount of water gas.
(5) The filling material added with the mining fire extinguishing material additive has excellent lubricity and reduces the abrasion to grouting equipment and pipelines. The material has excellent suspension property, and the material has no sedimentation and delamination after 72-hour experiments, has excellent pipeline fluidity, and can ensure that the filling material is not blocked under the conditions of thin pipelines and long-distance high-pressure conveying.
(6) The filling material added with the mining fire extinguishing material additive has strong water absorption and recovery properties. After the filling material loses water at high temperature, the filling material absorbs water when meeting moisture to restore the moisture retention performance.
Detailed Description
Example 1
Weighing 65g of montmorillonite powder, 4g of sodium carbonate, 1g of sodium tripolyphosphate, 5g of tannin extract, 5g of hydroxymethyl methylcellulose, 10g of sodium lignin sulfonate and 5g of high-molecular water-absorbent resin, and grinding and uniformly mixing until the particle size of powder is below 200 mu m to obtain the mining fire-extinguishing material additive.
Example 2
Weighing 50g of montmorillonite powder, 3g of sodium carbonate, 0.5g of sodium tripolyphosphate, 3g of tannin extract, 3g of hydroxymethyl methylcellulose, 7g of sodium lignosulfonate and 3g of high-molecular water-absorbent resin, and grinding and uniformly mixing until the particle size of powder is below 200 mu m to obtain the mining fire-extinguishing material additive.
Example 3
70g of montmorillonite powder, 7g of sodium carbonate, 2g of sodium tripolyphosphate, 8g of tannin extract, 8g of hydroxymethyl methylcellulose, 13g of sodium lignin sulfonate and 8g of high-molecular water-absorbent resin are weighed, ground and uniformly mixed until the particle size of powder is below 200 mu m, and the mining fire-extinguishing material additive is obtained.
Example 4
Weighing 65g of kaolin, 4g of sodium carbonate, 1g of sodium tripolyphosphate, 5g of tannin, 5g of hydroxymethyl methylcellulose, 10g of sodium lignin sulfonate and 5g of high-molecular water-absorbent resin, grinding and uniformly mixing until the particle size of powder is below 200 mu m, and obtaining the mining fire-extinguishing material additive.
example 5
Weighing 40g of water glass, 1g of sodium carbonate, 0.1g of sodium tripolyphosphate, 1g of tannin extract, 1g of hydroxymethyl methylcellulose, 5g of sodium lignosulfonate and 1g of polyacrylate high-molecular water-absorbing resin, and grinding and uniformly mixing until the particle size of powder is below 200 mu m to obtain the mining fire-extinguishing material additive.
Example 6
Weighing 80g of kaolin, 10g of sodium carbonate, 5g of sodium tripolyphosphate, 10g of tannin extract, 10g of hydroxymethyl methylcellulose, 20g of sodium lignin sulfonate and 10g of high-molecular water-absorbent resin, and grinding and uniformly mixing until the particle size of powder is below 200 mu m to obtain the mining fire-extinguishing material additive.
comparative example 1 in the following, sodium tripolyphosphate in example 1 is replaced by acrylic acid, and other materials and weight ratio are the same as those in example 1;
Comparative example 2 in the embodiment 1, sodium lignin sulfonate is replaced by sodium dodecyl sulfate, and other materials and weight ratio are the same as those in the embodiment 1;
Comparative example 3 the tannin extract was removed from example 1, and the other materials and weight ratio were the same as those of example 1.
The performance test of the additives of the embodiment 1 to the embodiment 3 of the invention is as follows:
(1) Taking fly ash, preparing grouting slurry according to the water-cement mass ratio of 3:1, adding 1% of the additive prepared in the embodiments 1-3 by weight of the slurry, uniformly stirring, standing for 72 hours, calculating the percentage of water precipitation volume/total volume of the slurry to evaluate the influence of the additive on the suspension property of the grouting slurry, wherein the lower the ratio, the better the suspension effect, and the specific results are as follows:
| Example 1 | Example 2 | Example 3 | Comparative example 1 | comparative example 2 | Comparative example 3 | |
| percent (%) | 3.6 | 6.1 | 7.3 | 27.3 | 18.9 | 41.1 |
(2) Test of burning coal sample
preparing a combustion coal sample at a temperature of about 500 ℃, treating the sample by using the grouting slurry prepared by the method in the test (1), and measuring the CO concentration by using gas chromatography, wherein the specific results are as follows:
| example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| ppm | 2074 | 3589 | 4632 | 8987 | 6943 | 11742 |
(3) practical application
taking one open iron barrel, filling crushed coal and 50 kilograms of No. 0 diesel oil, placing the iron barrel outside a stirring pool for 50 meters, conveying the prepared grouting slurry into a burning iron barrel through a rubber pipe with the inner diameter of 10 centimeters by using a thick slurry pump, and completely extinguishing the fire coal after 2 minutes;
in addition, in practical coal mine application, the flame retardant effect is obvious, pipe blockage accidents do not exist, slurry conveying is normal, the effective section of the pipeline is used, and the service life of the pipeline is greatly prolonged. The safety and the high efficiency of the mine fire prevention filling grouting slurry are effectively ensured;
The additive is suitable for being added into coal mine underground filling grouting materials such as fly ash, yellow mud and white mud, and has excellent fire prevention and extinguishing performance.
It should be noted that the additive prepared in examples 4-6 also achieves similar effects, and the data are not listed here.
the above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A mining fire extinguishing material additive is characterized in that:
Comprises the following components in parts by weight:
40-80 parts of silicate material, 0.1-5 parts of sodium tripolyphosphate, 1-10 parts of sodium carbonate, 5-20 parts of sodium lignosulfonate, 1-10 parts of hydroxymethyl methylcellulose, 1-10 parts of high-molecular water-absorbent resin and 1-10 parts of diluent;
The silicate material is montmorillonite, kaolin or sodium silicate;
The diluent is tannin or tannin extract.
2. The mining fire extinguishing material additive as defined in claim 1, wherein:
Comprises the following components in parts by weight:
50-70 parts of silicate material, 0.5-2 parts of sodium tripolyphosphate, 3-7 parts of sodium carbonate, 7-13 parts of sodium lignosulfonate, 3-8 parts of hydroxymethyl methylcellulose, 3-8 parts of high-molecular water-absorbent resin and 3-8 parts of diluent.
3. The application of the mine fire extinguishing material additive as defined in claim 1 or 2 in the preparation of a coal mine underground filling grouting material is characterized in that: grinding and uniformly mixing the mine fire extinguishing material additive until the particle size of the powder is below 200 mu m to obtain mine fire extinguishing material additive powder, taking fly ash, preparing slurry according to the mass ratio of water to ash of 3:1, then adding the mine fire extinguishing material additive powder accounting for 1% of the weight of the slurry to obtain grouting slurry, and conveying the grouting slurry to the underground of a burning coal mine through a pipeline by using a thick slurry pump to extinguish fire and prevent fire.
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| CN109289149B (en) * | 2018-09-27 | 2021-03-02 | 安徽建筑大学 | Fire prevention and extinguishing auxiliary based on building residue soil |
| CN109432683A (en) * | 2018-11-09 | 2019-03-08 | 张平 | A kind of ore aqueous suspension applied in fire-fighting quipment and its preparation process |
| CN109899104A (en) * | 2019-01-21 | 2019-06-18 | 山东科技大学 | A kind of economic and environment-friendly type gel foam for preventing and treating spontaneous combustionof coal |
| CN110870963A (en) * | 2019-11-12 | 2020-03-10 | 四川天地同光科技有限责任公司 | Novel fire-fighting material and preparation method thereof |
| CN113750433A (en) * | 2020-11-02 | 2021-12-07 | 徐州意创煤矿安全科技有限公司 | Mining composite multi-atmosphere resin and use method thereof |
| CN113248228A (en) * | 2021-06-07 | 2021-08-13 | 太原理工大学 | Inorganic thixotropic gel for preventing and extinguishing fire in coal mine underground goaf by blocking air leakage |
| CN115245646B (en) * | 2022-01-04 | 2023-07-04 | 重庆工程职业技术学院 | Coal mine goaf fire prevention and extinguishment composite material and preparation method thereof |
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| US20100063180A1 (en) * | 2008-09-05 | 2010-03-11 | Seungkoo Kang | Fire protection and/or fire fighting additives, associated compositions, and associated methods |
| CN101543672B (en) * | 2009-03-15 | 2010-12-29 | 徐志毅 | Extinguish material, preparation method and application thereof |
| CN106581919A (en) * | 2015-10-15 | 2017-04-26 | 国网山东沂水县供电公司 | Recrudescence-resistant mountain fire extinguishant |
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