CN105240042B - A kind of method that utilization phase transformation colloidal sol prevents coal mine gob freely burning fire - Google Patents
A kind of method that utilization phase transformation colloidal sol prevents coal mine gob freely burning fire Download PDFInfo
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- CN105240042B CN105240042B CN201510607987.8A CN201510607987A CN105240042B CN 105240042 B CN105240042 B CN 105240042B CN 201510607987 A CN201510607987 A CN 201510607987A CN 105240042 B CN105240042 B CN 105240042B
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- colloidal sol
- coal mine
- phase transformation
- burning fire
- mine gob
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- 239000003245 coal Substances 0.000 title claims abstract description 52
- 230000009466 transformation Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000178 monomer Substances 0.000 claims abstract description 39
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000000084 colloidal system Substances 0.000 claims abstract description 12
- 239000000443 aerosol Substances 0.000 claims abstract description 11
- 239000003999 initiator Substances 0.000 claims abstract description 11
- 238000004132 cross linking Methods 0.000 claims abstract description 10
- 229920001519 homopolymer Polymers 0.000 claims abstract description 10
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 229920001577 copolymer Polymers 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims abstract description 5
- 230000008021 deposition Effects 0.000 claims abstract description 3
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- -1 acrylic ester compound Chemical class 0.000 claims description 11
- 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 8
- 230000003078 antioxidant effect Effects 0.000 claims description 8
- 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
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-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
- 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 5
- 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
- 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
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- AZJQQNWSSLCLJN-UHFFFAOYSA-N 2-ethoxyquinoline Chemical compound C1=CC=CC2=NC(OCC)=CC=C21 AZJQQNWSSLCLJN-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
- 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
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 3
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 3
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 3
- 229940047670 sodium acrylate Drugs 0.000 claims description 3
- 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 3
- 239000004246 zinc acetate Substances 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 2
- 238000010303 mechanochemical reaction Methods 0.000 claims description 2
- 241000894007 species Species 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims description 2
- 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 2
- 238000005065 mining Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 9
- 230000002269 spontaneous effect Effects 0.000 description 9
- 230000000977 initiatory effect Effects 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 235000006708 antioxidants Nutrition 0.000 description 5
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- GYUPBLLGIHQRGT-UHFFFAOYSA-N pentane-2,4-dione;titanium Chemical compound [Ti].CC(=O)CC(C)=O GYUPBLLGIHQRGT-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229940076134 benzene Drugs 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LIXVMPBOGDCSRM-UHFFFAOYSA-N nonylbenzene Chemical compound CCCCCCCCCC1=CC=CC=C1 LIXVMPBOGDCSRM-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- MLGWTHRHHANFCC-UHFFFAOYSA-N prop-2-en-1-amine;hydrochloride Chemical compound Cl.NCC=C MLGWTHRHHANFCC-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
Landscapes
- 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 present invention relates to the preventing and treating of the coal mine gob in mining safety field, the method that specifically a kind of utilization phase transformation colloidal sol prevents coal mine gob freely burning fire, in underground coal mine a variety of aerosols are injected to goaf, colloidal sol colloidal particle is losing coal surface deposition, the polycondensation that reacts to each other forms network structure, finally undergo phase transition, form liquid state colloid or solid film with good thermal stability；Colloidal sol colloidal particle includes initiator and at least one cross-linking monomer, and initiator can promote cross-linking monomer formation homopolymer or/and copolymer.The method that utilization phase transformation colloidal sol of the present invention prevents coal mine gob freely burning fire, can completely cut off air, suppress oxidization of remained coal, prevent and treat freely burning fire；The phase transformation colloidal sol fire extinguishing system that the present invention is used for the above method, can industrialize, standardize, unitized manufacture, can be widely applied for the prevention and control field of coal mine gob freely burning fire.
Description
Technical field
It is specifically that one kind prevents coal using phase transformation colloidal sol the present invention relates to the preventing and treating of the coal mine gob in mining safety field
The method of ore goaf freely burning fire.
Background technology
Coal spontaneous combustion is prevalent in Jing Gongkuangjing, easily causes casualties and property loss.When coal mine gob occurs
Freely burning fire, injects N2Or CO2Deng inert gas fire-fighting, it is necessary to be continuously replenished, injection is excessive easily to cause suffocation accident, and in leakage
The serious goaf effect of wind is poor.The liquid materials such as mud, gel are injected, are typically migrated along gravity direction, it is difficult to mined out
Area is gathered, and is not suitable for the goaf of the complex conditions such as high inclination-angle.Therefore, needing exploitation one kind badly can be tight in goaf air leaking
The technology of weight, complex condition efficiently the suppresses freely burning fire such as seam inclination is larger.And have no using phase-change material preventing and treating adopt
The report of breeding fire.
The content of the invention
Coal spontaneous combustion of the present invention in order to solve the problems, such as current underground presence prevents colliery there is provided one kind using phase transformation colloidal sol
The method of heterogeneous goaf fire.
The present invention is achieved by the following technical solutions：One kind prevents coal mine gob freely burning fire using phase transformation colloidal sol
Method, inject a variety of aerosols to goaf in underground coal mine, colloidal sol colloidal particle is being lost coal surface deposition, reacted to each other
Polycondensation forms network structure, finally undergoes phase transition, and forms liquid state colloid or solid film with good thermal stability；
Colloidal sol colloidal particle includes initiator and at least one cross-linking monomer, and initiator can promote cross-linking monomer to be formed
Homopolymer or/and copolymer.
The liquid state colloid or solid film of above-mentioned formation can completely cut off air, suppress the occurrence and development of coal spontaneous combustion.
Further, the colloidal sol colloidal particle includes the antioxidant of at least one suppression oxidization of remained coal.Antioxidant adds
Plus can effectively increase flameproof effect.
In addition, aerosol of the present invention is using atomization or mechanochemical reaction formation.
Optimization, the initiator is organosilicon compound, acrylic ester compound or metallo-organic compound.Institute
State organosilicon compound and be selected from acetal organosilicon, silene ether, silane coupler；The acrylic ester compound is selected from propylene
Sour hydroxyl ethyl ester, hydroxypropyl acrylate；The metallo-organic compound is selected from aluminium isopropoxide, zinc acetate, magnesium acetate, acetylacetone,2,4-pentanedione
Titanium.
During concrete application, the cross-linking monomer is acrylic monomers, methacrylic acid monomer, along butyl diacid monomer, third
Olefin(e) acid sodium monomer, propylene alcohol monomer, metering system alcohol monomer, ethylene glycol monomer, dimethyl diallyl ammonium chloride or front three
Base allyl ammonium chloride.
When it is implemented, the antioxidant is phytic acid, ethoxyquinoline, styrenated phenol or the nonyl benzene of phosphorous acid three
Ester.
In order to which more explanation is of the invention in detail, on the basis of experimental result, while consider the financial cost that material is prepared,
It is 50~80 the invention provides the mass ratio of the cross-linking monomer, initiator and antioxidant:1~5:1~3.
Further, the invention provides a kind of phase transformation colloidal sol fire extinguishing system, if including the dry gas that is connected on pressure system
State colloidal sol branch pipe, the quantity of aerosol branch pipe is equal with the quantity of colloidal sol colloidal particle species, on each aerosol branch pipe
From first to last it has been sequentially connected in series material storage tank, inlet valve, ultrasonic mist generating device, outlet valve and shower nozzle.Tool
When body is implemented, the pressure system is preferred use underground pressure air system or hydraulic pressure system, the resistance to pressure valve of the use of valve preferably
Door, overall pipeline uses high-pressure rubber pipe or metal tube, and each part of phase transformation colloidal sol fire extinguishing system of the present invention is run by intelligence
Control system control process.When specifically used, an a kind of colloidal sol colloidal particle of material storage tank memory storage, i.e., one gaseous state is molten
A kind of colloidal sol colloidal particle of glue branch pipe correspondence.Aerosol branch pipe gos deep into goaf, opens inlet valve, colloidal sol colloidal particle
Opened after being uniformly dispersed with the high-pressure liquid medium or high-pressure gas medium in pressure system in ultrasonic mist generating device
Outlet valve, each colloidal sol colloidal particle sprays suspended dispersed in goaf by shower nozzle, and initiator promotes cross-linking monomer to be formed
Polymers or/and copolymer（Phase transition process）, it is anti-oxidant to be adsorbed on homopolymer or/and copolymer, form liquid losing coal surface
Colloid or solid film.
The method that utilization phase transformation colloidal sol of the present invention prevents coal mine gob freely burning fire, can completely cut off air, suppress
Oxidization of remained coal, prevents and treats freely burning fire；The phase transformation colloidal sol fire extinguishing system that the present invention is used for the above method, can industrialize,
Standardization, unitized manufacture, can be widely applied for the prevention and control field of coal mine gob freely burning fire.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram of phase transformation colloidal sol fire extinguishing system of the present invention.In figure：1- pressure systems, 2- materials are deposited
Storage tank, 3- inlet valves, 4- ultrasonic mist generating devices, 5- outlet valves, 6- shower nozzles.
Fig. 2 is that the described two colloidal sol colloidal particles of the embodiment of the present invention 1 undergo phase transition process schematic on something lost coal surface.Figure
In：A- acrylic monomers, B- acetal organosilicons, C- reacts the homopolymer to be formed.
Embodiment
Embodiment 1
Coal mine fully-mechanized mining working air intake lane, by phase transformation colloidal sol fire extinguishing system of the present invention（As shown in Figure 1）Material deposit
Storage tank 2, inlet valve 3, ultrasonic mist generating device 4, outlet valve 5 and shower nozzle 6 are from first to last sequentially connected in series in gaseous state
On colloidal sol branch pipe, pressure system 1 uses underground pressure air.Acrylic monomers and acetal organosilicon are separately added into 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, is fully embedded and adopts with the advance of the face
Dead zone, ejects acetal organosilicon and acrylic monomers successively respectively afterwards, and colloidal sol colloidal particle is flowed through with goaf air leaking to be adopted
Dead zone.Under the initiation of acetal organosilicon, react to each other to form homopolymer colloid losing coal surface, suppress oxidation of coal spontaneous combustion.
Embodiment 2
Coal mine fully-mechanized mining working air intake lane, each part of phase transformation colloidal sol fire extinguishing system of the present invention is attached, pressure
System uses underground hydraulic pressure.Methacrylic acid monomer is separately added into material storage tank 2, along butyl diacid monomer, silene ether（Or
Hydroxy-ethyl acrylate）And ethoxyquinoline, its mass ratio is 30:30:5:1, shower nozzle 6 is laid on air intake lane crossheading, with work
Face promotes and is fully embedded goaf, eject silene ether, methacrylic acid monomer successively respectively afterwards, along butyl diacid monomer and
Ethoxyquinoline, colloidal sol colloidal particle flows through goaf with goaf air leaking.In silene ether（Or hydroxy-ethyl acrylate）Initiation
Under, react to each other to form homopolymer and copolymer colloid losing coal surface, suppress oxidation of coal spontaneous combustion.
Embodiment 3
Coal mine fully-mechanized mining working air intake lane, each part of phase transformation colloidal sol fire extinguishing system of the present invention is attached, pressure
System uses underground pressure air.Be separately added into material storage tank 2 sodium acrylate monomers, propylene alcohol monomer, metering system alcohol monomer,
Silane coupler（Or aluminium isopropoxide）And styrenated phenol, its mass ratio is 20:20:30:1:2, shower nozzle 6 is laid on air intake
Lane crossheading, goaf is fully embedded with the advance of the face, eject successively respectively afterwards silane coupler, sodium acrylate monomers,
Propylene alcohol monomer, metering system alcohol monomer and styrenated phenol, colloidal sol colloidal particle flow through goaf with goaf air leaking.
Silane coupler（Or aluminium isopropoxide）Initiation under, react to each other to form homopolymer and copolymer colloid losing coal surface, suppress
Oxidation of coal spontaneous combustion.
Embodiment 4
Coal mine fully-mechanized mining working air intake lane, each part of phase transformation colloidal sol fire extinguishing system of the present invention is attached, pressure
System uses underground pressure air.Ethylene glycol monomer, hydroxypropyl acrylate are separately added into material storage tank 2（Or zinc acetate）And Asia
Tricresyl phosphate nonyl phenyl ester, its mass ratio is 80:2:3, shower nozzle 6 is laid on air intake lane crossheading, is fully embedded with the advance of the face
Goaf, ejects hydroxypropyl acrylate, ethylene glycol monomer and trisnonyl phenyl phosphite, colloidal sol colloid successively respectively afterwards
Particle flows through goaf with goaf air leaking.Under the initiation of hydroxypropyl acrylate, react to each other to form copolymerization losing coal surface
Thing colloid, suppresses oxidation of coal spontaneous combustion.
Embodiment 5
Coal mine fully-mechanized mining working air intake lane, each part of phase transformation colloidal sol fire extinguishing system of the present invention is attached, pressure
System uses underground pressure air.Dimethyl diallyl ammonium chloride, magnesium acetate, phytic acid and benzene second are separately added into material storage tank 2
Alkylene phenol, its mass ratio is 50:3:0.7:0.3, shower nozzle 6 is laid on air intake lane crossheading, is fully embedded with the advance of the face
Goaf, ejects magnesium acetate, dimethyl diallyl ammonium chloride, phytic acid and styrenated phenol, colloidal sol successively respectively afterwards
Colloidal particle flows through goaf with goaf air leaking.Under the initiation of magnesium acetate, react to each other to form homopolymer losing coal surface
Colloid, suppresses oxidation of coal spontaneous combustion.
Embodiment 6
Coal mine fully-mechanized mining working air intake lane, each part of phase transformation colloidal sol fire extinguishing system of the present invention is attached, pressure
System uses underground pressure air.Trimethylallylammonium chloride, titanium acetylacetone and phytic acid are separately added into material storage tank 2, its
Mass ratio is 65:4:2, shower nozzle 6 is laid on air intake lane crossheading, goaf is fully embedded with the advance of the face, afterwards respectively according to
Secondary to eject titanium acetylacetone, trimethylallylammonium chloride and phytic acid, colloidal sol colloidal particle flows through mined out with goaf air leaking
Area.Under the initiation of titanium acetylacetone, react to each other to form homopolymer colloid losing coal surface, suppress oxidation of coal spontaneous combustion.
Claims (7)
1. a kind of method that utilization phase transformation colloidal sol prevents coal mine gob freely burning fire, it is characterised in that in underground coal mine to adopting
A variety of aerosols are injected in dead zone, and colloidal sol colloidal particle forms network structure in something lost coal surface deposition, the polycondensation that reacts to each other, finally
Undergo phase transition, form liquid state colloid or solid film with good thermal stability；
Colloidal sol colloidal particle includes the antioxidant of initiator, at least one cross-linking monomer and at least one suppression oxidization of remained coal,
The mass ratio of the cross-linking monomer, initiator and antioxidant is 50~80:1~5:1~3；And initiator can promote to hand over
Receipts or other documents in duplicate body formation homopolymer or/and copolymer.
2. the method that a kind of utilization phase transformation colloidal sol according to claim 1 prevents coal mine gob freely burning fire, its feature
It is, the aerosol is using atomization or mechanochemical reaction formation.
3. the method that a kind of utilization phase transformation colloidal sol according to claim 2 prevents coal mine gob freely burning fire, its feature
It is, the initiator is organosilicon compound, acrylic ester compound or metallo-organic compound.
4. the method that a kind of utilization phase transformation colloidal sol according to claim 3 prevents coal mine gob freely burning fire, its feature
It is, the organosilicon compound is selected from acetal organosilicon, silene ether, silane coupler；The acrylic ester compound
Selected from hydroxy-ethyl acrylate, hydroxypropyl acrylate；The metallo-organic compound is selected from aluminium isopropoxide, zinc acetate, magnesium acetate, second
Acyl acetone titanium.
5. the method that a kind of utilization phase transformation colloidal sol according to claim 4 prevents coal mine gob freely burning fire, its feature
It is, the cross-linking monomer is acrylic monomers, methacrylic acid monomer, along butyl diacid monomer, sodium acrylate monomers, propylene
Alcohol monomer, metering system alcohol monomer, ethylene glycol monomer, dimethyl diallyl ammonium chloride or trimethylallylammonium chloride.
6. the method that a kind of utilization phase transformation colloidal sol according to claim 5 prevents coal mine gob freely burning fire, its feature
It is, the antioxidant is phytic acid, ethoxyquinoline, styrenated phenol or trisnonyl phenyl phosphite.
7. a kind of utilization phase transformation colloidal sol described in claim 6 prevents the phase transformation that the method for coal mine gob freely burning fire is used
Colloidal sol fire extinguishing system, it is characterised in that including being connected to pressure system（1）On some aerosol branch pipes, aerosol branch
The quantity of pipe is equal with the quantity of colloidal sol colloidal particle species, and material has from first to last been sequentially connected in series on each aerosol branch pipe
Storage tank（2）, inlet valve（3）, ultrasonic mist generating device（4）, outlet valve（5）And shower nozzle（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN105240042A CN105240042A (en) | 2016-01-13 |
| CN105240042B true CN105240042B (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510607987.8A Expired - Fee Related 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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| 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 |
| CN109738128B (en) * | 2018-12-29 | 2020-10-02 | 中国矿业大学 | Temperature-sensitive material for predicting spontaneous combustion of coal in goaf, preparation method and application |
| CN110308173B (en) * | 2019-07-03 | 2021-07-23 | 太原理工大学 | Biomass pile spontaneous combustion tendency determination method based on danger index analysis |
| CN110354437B (en) * | 2019-07-08 | 2021-04-30 | 深圳东信环能科技有限公司 | Reagent for preventing coal from spontaneous combustion without affecting coal quality and use method thereof |
| 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 |
| CN113930106B (en) * | 2021-10-26 | 2022-09-02 | 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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| CN203383846U (en) * | 2013-06-13 | 2014-01-08 | 西安科技大学 | Device for preparing aerosol for prevention and control of coal spontaneous combustion |
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| CN101713296A (en) * | 2009-12-03 | 2010-05-26 | 陕西省府谷县京府八尺沟煤矿 | Composite gel inhibitor for preventing and controlling spontaneous combustion of coal in coal mine and preparation method thereof |
| CN103306706A (en) * | 2013-06-13 | 2013-09-18 | 西安科技大学 | Device and process for preparing aerosol for preventing coal from spontaneous combustion |
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