CN105240042A - Method of using phase-changeable sols for preventing spontaneous combustion type fire disasters in coalmine goafs - Google Patents
Method of using phase-changeable sols for preventing spontaneous combustion type fire disasters in coalmine goafs Download PDFInfo
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- CN105240042A CN105240042A CN201510607987.8A CN201510607987A CN105240042A CN 105240042 A CN105240042 A CN 105240042A CN 201510607987 A CN201510607987 A CN 201510607987A CN 105240042 A CN105240042 A CN 105240042A
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- colloidal sol
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 title abstract description 14
- 230000002269 spontaneous effect Effects 0.000 title abstract description 14
- 239000003245 coal Substances 0.000 claims abstract description 49
- 239000000178 monomer Substances 0.000 claims abstract description 40
- 239000002245 particle Substances 0.000 claims abstract description 21
- 239000000084 colloidal system Substances 0.000 claims abstract description 11
- 238000004132 cross linking Methods 0.000 claims abstract description 11
- 229920001519 homopolymer Polymers 0.000 claims abstract description 11
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 229920001577 copolymer Polymers 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 3
- 230000009466 transformation Effects 0.000 claims description 25
- 239000000443 aerosol Substances 0.000 claims description 13
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 239000003963 antioxidant agent Substances 0.000 claims description 7
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- BYLSIPUARIZAHZ-UHFFFAOYSA-N 2,4,6-tris(1-phenylethyl)phenol Chemical compound C=1C(C(C)C=2C=CC=CC=2)=C(O)C(C(C)C=2C=CC=CC=2)=CC=1C(C)C1=CC=CC=C1 BYLSIPUARIZAHZ-UHFFFAOYSA-N 0.000 claims description 6
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical group OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims description 6
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims description 6
- 229940068041 phytic acid Drugs 0.000 claims description 6
- 235000002949 phytic acid Nutrition 0.000 claims description 6
- 239000000467 phytic acid Substances 0.000 claims description 6
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 241000219289 Silene Species 0.000 claims description 5
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 5
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 5
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 5
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 claims description 5
- 239000011654 magnesium acetate Substances 0.000 claims description 5
- 229940069446 magnesium acetate Drugs 0.000 claims description 5
- 235000011285 magnesium acetate Nutrition 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 5
- GYUPBLLGIHQRGT-UHFFFAOYSA-N pentane-2,4-dione;titanium Chemical compound [Ti].CC(=O)CC(C)=O GYUPBLLGIHQRGT-UHFFFAOYSA-N 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 4
- AZJQQNWSSLCLJN-UHFFFAOYSA-N 2-ethoxyquinoline Chemical compound C1=CC=CC2=NC(OCC)=CC=C21 AZJQQNWSSLCLJN-UHFFFAOYSA-N 0.000 claims description 4
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- -1 acrylic ester compound Chemical class 0.000 claims description 4
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 claims description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims description 4
- 150000003961 organosilicon compounds Chemical group 0.000 claims description 4
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 claims description 4
- 229940047670 sodium acrylate Drugs 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- TZYULTYGSBAILI-UHFFFAOYSA-M trimethyl(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC=C TZYULTYGSBAILI-UHFFFAOYSA-M 0.000 claims description 4
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims description 4
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004246 zinc acetate Substances 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 238000010303 mechanochemical reaction Methods 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 abstract description 8
- 238000005065 mining Methods 0.000 abstract description 8
- 230000003647 oxidation Effects 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Colloid Chemistry (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention relates to coalmine goaf prevention and control in the field of mining safety, in particular to a method of using phase-changeable sols for preventing spontaneous combustion type fire disasters in coalmine goafs. The method includes: injecting various gaseous sols into a goaf from an underground coalmine, allowing colloidal particles of the sols to deposit on the surface of residual coal so as to react with one another to form a mesh structure by polycondensation, and finally forming a liquid colloid or solid film excellent in stability after phase change, wherein the colloidal particles of the sols include an initiating agent and at least one crosslinking monomer, and the initiating agent is capable of promoting formation of homopolymers or/and copolymers formed by the at least one crosslinking monomer. The method of using the phase-changeable sols for preventing the spontaneous combustion type fire disasters in the coalmine goafs has the advantages that air can be isolated to inhibit oxidation of the residual coal, so that the spontaneous combustion type fire disasters can be prevented; in addition, a phase-changeable sol fire extinguishing system aiming at the method is available for industrialized, standardized and universalized manufacture and is widely applicable to the field of prevention and control of the spontaneous combustion type fire disasters in the coalmine goafs.
Description
Technical field
The present invention relates to the coal mine gob control in mining safety field, a kind of specifically method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire.
Background technology
Coal spontaneous combustion is prevalent in Jing Gongkuangjing, easily causes casualties and property loss.When freely burning fire occurs in coal mine gob, inject N
2or CO
2deng inert gas fire-fighting, need constantly to supplement, inject and excessively easily cause suffocation accident, and poor in the goaf effect of leaking out serious.Inject the liquid material such as mud, gel, generally along gravity direction migration, be difficult to gather in goaf, be not suitable for the goaf of the complex conditions such as high inclination-angle.Therefore, a kind of technology that efficiently can suppress freely burning fire at complex conditions such as goaf air leaking are serious, seam inclination is larger of exploitation is needed badly.And have no the report utilizing phase-change material to prevent and treat heterogeneous goaf fire.
Summary of the invention
The coal spontaneous combustion problem that the present invention exists to solve current down-hole, provides a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire.
The present invention is achieved by the following technical solutions: a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire, multiple aerosol is injected to goaf at underground coal mine, colloidal sol colloidal particle is at something lost coal surface deposition, the polycondensation that reacts to each other forms net structure, finally undergo phase transition, form liquid state colloid or the solid film with good thermal stability;
Colloidal sol colloidal particle comprises initator and at least one cross-linking monomer, and initator can promote that cross-linking monomer forms homopolymers or/and copolymer.
The liquid state colloid of above-mentioned formation or solid film can completely cut off air, suppress generation and the development of coal spontaneous combustion.
Further, described colloidal sol colloidal particle comprises the antioxidant that at least one suppresses oxidization of remained coal.The interpolation of antioxidant can increase flameproof effect effectively.
In addition, aerosol of the present invention adopts atomization or mechanochemical reaction to be formed.
Optimize, described initator is organosilicon compound, acrylic ester compound or metallo-organic compound.Described organosilicon compound is selected from acetal organosilicon, silene ether, silane coupler; Described acrylic ester compound is selected from hydroxy-ethyl acrylate, hydroxypropyl acrylate; Described metallo-organic compound is selected from aluminium isopropoxide, zinc acetate, magnesium acetate, titanium acetylacetone.
During embody rule, described cross-linking monomer is acrylic monomers, methacrylic acid monomer, suitable butyl diacid monomer, sodium acrylate monomers, propenyl monomer, metering system alcohol monomer, ethylene glycol monomer, dimethyl diallyl ammonium chloride or trimethylallylammonium chloride.
During concrete enforcement, described antioxidant is phytic acid, ethoxyquinoline, styrenated phenol or trisnonyl phenyl phosphite.
In order to more detailed explanation the present invention, on the basis of experimental result, consider the financial cost of material formulation, the mass ratio that the invention provides described cross-linking monomer, initator and antioxidant is 50 ~ 80:1 ~ 5:1 ~ 3 simultaneously.
Further, the invention provides a kind of phase transformation colloidal sol fire extinguishing system, comprise the some aerosol arms be connected on pressure system, the quantity of aerosol arm is equal with the quantity of colloidal sol colloidal particle kind, and each aerosol arm is from first to last in series with material storage tank, inlet valve, ultrasonic mist generating device, outlet valve and shower nozzle successively.During concrete enforcement, described pressure system is preferred employing underground pressure air system or hydraulic pressure system, valve preferably adopts resistance to pressure valve, and overall pipeline adopts high-pressure rubber pipe or metal tube, and each parts of phase transformation colloidal sol fire extinguishing system of the present invention run by intelligence control system control treatment.During concrete use, in a material storage tank, store a kind of colloidal sol colloidal particle, i.e. a corresponding a kind of colloidal sol colloidal particle of aerosol arm.Aerosol arm gos deep in goaf, open inlet valve, outlet valve is opened after high-pressure liquid medium in colloidal sol colloidal particle and pressure system or high-pressure gas medium are uniformly dispersed in ultrasonic mist generating device, each colloidal sol colloidal particle sprays suspended dispersed in goaf by shower nozzle, initator promotes that cross-linking monomer forms homopolymers or/and copolymer (phase transition process), anti-oxidantly be adsorbed in homopolymers or/and on copolymer, form liquid state colloid or solid film on something lost coal surface.
The method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire of the present invention, can completely cut off air, suppresses oxidization of remained coal, control freely burning fire; The present invention is directed to the phase transformation colloidal sol fire extinguishing system that said method adopts, can industrialization, standardization, unitized manufacture, the prevention and control field of coal mine gob freely burning fire can be widely used in.
Accompanying drawing explanation
Fig. 1 is the layout schematic diagram of phase transformation colloidal sol fire extinguishing system of the present invention.In figure: 1-pressure system, 2-material storage tank, 3-inlet valve, 4-ultrasonic mist generating device, 5-outlet valve, 6-shower nozzle.
Fig. 2 undergoes phase transition process schematic on something lost coal surface for two kinds of colloidal sol colloidal particles described in the embodiment of the present invention 1.In figure: A-acrylic monomers, B-acetal organosilicon, the homopolymers that C-reaction is formed.
Detailed description of the invention
embodiment 1
Coal mine fully-mechanized mining working air intake lane, the material storage tank 2 of phase transformation colloidal sol fire extinguishing system (as shown in Figure 1) of the present invention, inlet valve 3, ultrasonic mist generating device 4, outlet valve 5 and shower nozzle 6 are from first to last series at successively on aerosol arm, pressure system 1 adopts underground pressure air.Acrylic monomers and acetal organosilicon is added respectively in material storage tank 2, its mass ratio is 50:3(or 80:1, or 12:1), shower nozzle 6 is laid on air intake lane crossheading, goaf is imbedded completely with the advance of the face, eject acetal organosilicon and acrylic monomers successively respectively afterwards, colloidal sol colloidal particle flows through goaf with goaf air leaking.Under the organosilyl initiation of acetal, react to each other on something lost coal surface and form homopolymers colloid, suppress oxidation of coal spontaneous combustion.
embodiment 2
The each parts of phase transformation colloidal sol fire extinguishing system of the present invention are connected by coal mine fully-mechanized mining working air intake lane, and pressure system adopts down-hole hydraulic pressure.Methacrylic acid monomer is added respectively, along butyl diacid monomer, silene ether (or hydroxy-ethyl acrylate) and ethoxyquinoline in material storage tank 2, its mass ratio is 30:30:5:1, shower nozzle 6 is laid on air intake lane crossheading, goaf is imbedded completely with the advance of the face, eject silene ether, methacrylic acid monomer afterwards respectively successively, along butyl diacid monomer and ethoxyquinoline, colloidal sol colloidal particle flows through goaf with goaf air leaking.Under the initiation of silene ether (or hydroxy-ethyl acrylate), react to each other on something lost coal surface and form homopolymers and copolymer colloid, suppress oxidation of coal spontaneous combustion.
embodiment 3
The each parts of phase transformation colloidal sol fire extinguishing system of the present invention are connected by coal mine fully-mechanized mining working air intake lane, and pressure system adopts underground pressure air.Sodium acrylate monomers, propenyl monomer, metering system alcohol monomer, silane coupler (or aluminium isopropoxide) and styrenated phenol is added respectively in material storage tank 2, its mass ratio is 20:20:30:1:2, shower nozzle 6 is laid on air intake lane crossheading, goaf is imbedded completely with the advance of the face, eject silane coupler, sodium acrylate monomers, propenyl monomer, metering system alcohol monomer and styrenated phenol respectively successively afterwards, colloidal sol colloidal particle flows through goaf with goaf air leaking.Under the initiation of silane coupler (or aluminium isopropoxide), react to each other on something lost coal surface and form homopolymers and copolymer colloid, suppress oxidation of coal spontaneous combustion.
embodiment 4
The each parts of phase transformation colloidal sol fire extinguishing system of the present invention are connected by coal mine fully-mechanized mining working air intake lane, and pressure system adopts underground pressure air.Ethylene glycol monomer, hydroxypropyl acrylate (or zinc acetate) and trisnonyl phenyl phosphite is added respectively in material storage tank 2, its mass ratio is 80:2:3, shower nozzle 6 is laid on air intake lane crossheading, goaf is imbedded completely with the advance of the face, eject hydroxypropyl acrylate, ethylene glycol monomer and trisnonyl phenyl phosphite respectively successively afterwards, colloidal sol colloidal particle flows through goaf with goaf air leaking.Under the initiation of hydroxypropyl acrylate, react to each other on something lost coal surface formation copolymer colloid, suppresses oxidation of coal spontaneous combustion.
embodiment 5
The each parts of phase transformation colloidal sol fire extinguishing system of the present invention are connected by coal mine fully-mechanized mining working air intake lane, and pressure system adopts underground pressure air.Dimethyl diallyl ammonium chloride, magnesium acetate, phytic acid and styrenated phenol is added respectively in material storage tank 2, its mass ratio is 50:3:0.7:0.3, shower nozzle 6 is laid on air intake lane crossheading, goaf is imbedded completely with the advance of the face, eject magnesium acetate, dimethyl diallyl ammonium chloride, phytic acid and styrenated phenol successively respectively afterwards, colloidal sol colloidal particle flows through goaf with goaf air leaking.Under the initiation of magnesium acetate, react to each other on something lost coal surface and form homopolymers colloid, suppress oxidation of coal spontaneous combustion.
embodiment 6
The each parts of phase transformation colloidal sol fire extinguishing system of the present invention are connected by coal mine fully-mechanized mining working air intake lane, and pressure system adopts underground pressure air.Trimethylallylammonium chloride, titanium acetylacetone and phytic acid is added respectively in material storage tank 2, its mass ratio is 65:4:2, shower nozzle 6 is laid on air intake lane crossheading, goaf is imbedded completely with the advance of the face, eject titanium acetylacetone, trimethylallylammonium chloride and phytic acid successively respectively afterwards, colloidal sol colloidal particle flows through goaf with goaf air leaking.Under the initiation of titanium acetylacetone, react to each other on something lost coal surface and form homopolymers colloid, suppress oxidation of coal spontaneous combustion.
Claims (9)
1. the method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire, it is characterized in that, multiple aerosol is injected to goaf at underground coal mine, colloidal sol colloidal particle is at something lost coal surface deposition, the polycondensation that reacts to each other forms net structure, finally undergo phase transition, form liquid state colloid or the solid film with good thermal stability;
Colloidal sol colloidal particle comprises initator and at least one cross-linking monomer, and initator can promote that cross-linking monomer forms homopolymers or/and copolymer.
2. a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire according to claim 1, is characterized in that, described colloidal sol colloidal particle comprises the antioxidant that at least one suppresses oxidization of remained coal.
3. a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire according to claim 2, is characterized in that, described aerosol adopts atomization or mechanochemical reaction to be formed.
4. a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire according to claim 3, it is characterized in that, described initator is organosilicon compound, acrylic ester compound or metallo-organic compound.
5. a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire according to claim 4, it is characterized in that, described organosilicon compound is selected from acetal organosilicon, silene ether, silane coupler; Described acrylic ester compound is selected from hydroxy-ethyl acrylate, hydroxypropyl acrylate; Described metallo-organic compound is selected from aluminium isopropoxide, zinc acetate, magnesium acetate, titanium acetylacetone.
6. a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire according to claim 5, it is characterized in that, described cross-linking monomer is acrylic monomers, methacrylic acid monomer, suitable butyl diacid monomer, sodium acrylate monomers, propenyl monomer, metering system alcohol monomer, ethylene glycol monomer, dimethyl diallyl ammonium chloride or trimethylallylammonium chloride.
7. a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire according to claim 6, it is characterized in that, described antioxidant is phytic acid, ethoxyquinoline, styrenated phenol or trisnonyl phenyl phosphite.
8. a kind of method utilizing phase transformation colloidal sol to prevent coal mine gob freely burning fire according to claim 7, is characterized in that, the mass ratio of described cross-linking monomer, initator and antioxidant is 50 ~ 80:1 ~ 5:1 ~ 3.
9. a kind of phase transformation colloidal sol fire extinguishing system utilizing phase transformation colloidal sol to prevent the method for coal mine gob freely burning fire from adopting according to claim 8, it is characterized in that, comprise the some aerosol arms be connected on pressure system (1), the quantity of aerosol arm is equal with the quantity of colloidal sol colloidal particle kind, each aerosol arm is from first to last in series with successively material storage tank (2), inlet valve (3), ultrasonic mist generating device (4), outlet valve (5) and shower nozzle (6).
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| CN201510607987.8A CN105240042B (en) | 2015-09-23 | 2015-09-23 | A kind of method that utilization phase transformation colloidal sol prevents coal mine gob freely burning fire |
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| CN201510607987.8A CN105240042B (en) | 2015-09-23 | 2015-09-23 | A kind of method that utilization phase transformation colloidal sol prevents coal mine gob freely burning fire |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640176A (en) * | 2016-12-14 | 2017-05-10 | 太原理工大学 | Method for preventing and treating spontaneous combustion disaster in coal mine goaf utilizing high thermal conductive fiber |
| CN107642373A (en) * | 2017-11-08 | 2018-01-30 | 太原理工大学 | A kind of ultrasonic atomization anion subparticle method for suppressing goaf coal spontaneous combustion |
| CN109162751A (en) * | 2018-09-07 | 2019-01-08 | 天地（常州）自动化股份有限公司 | Coal seam group near interval fire hazard treating method |
| CN109738128A (en) * | 2018-12-29 | 2019-05-10 | 中国矿业大学 | For predicting Thermo-sensitive material, the preparation method and application of goaf coal spontaneous combustion |
| CN110308173A (en) * | 2019-07-03 | 2019-10-08 | 太原理工大学 | A kind of pile of biomass spontaneous combustion tendency measuring method based on hazard index analysis |
| CN110354437A (en) * | 2019-07-08 | 2019-10-22 | 深圳东信环能科技有限公司 | A kind of reagent and its application method for preventing spontaneous combustionof coal not influencing coal quality |
| CN112080256A (en) * | 2020-09-10 | 2020-12-15 | 湖南科技大学 | Hydrated phase-change material for inhibiting high-temperature oxidation spontaneous combustion of coal and preparation method thereof |
| CN113930106A (en) * | 2021-10-26 | 2022-01-14 | 中国矿业大学 | Fireproof material for goaf coal left in mine drainage period and preparation method and application thereof |
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2015
- 2015-09-23 CN CN201510607987.8A patent/CN105240042B/en not_active Expired - Fee Related
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| CN112080256B (en) * | 2020-09-10 | 2021-09-28 | 湖南科技大学 | Hydrated phase-change material for inhibiting high-temperature oxidation spontaneous combustion of coal and preparation method thereof |
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