CN107854800B - Automatic fire extinguishing composition - Google Patents
Automatic fire extinguishing composition Download PDFInfo
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- CN107854800B CN107854800B CN201711193423.XA CN201711193423A CN107854800B CN 107854800 B CN107854800 B CN 107854800B CN 201711193423 A CN201711193423 A CN 201711193423A CN 107854800 B CN107854800 B CN 107854800B
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- China
- Prior art keywords
- fire extinguishing
- fire
- extinguishing composition
- adhesive
- component
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- 239000000203 mixture Substances 0.000 title claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 239000000853 adhesive Substances 0.000 claims abstract description 29
- 230000001070 adhesive effect Effects 0.000 claims abstract description 29
- 239000000126 substance Substances 0.000 claims abstract description 7
- 239000011812 mixed powder Substances 0.000 claims description 14
- 229920001220 nitrocellulos Polymers 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 239000001856 Ethyl cellulose Substances 0.000 claims description 8
- 229920001249 ethyl cellulose Polymers 0.000 claims description 8
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 6
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 5
- 150000001241 acetals Chemical class 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 5
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 5
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 5
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000004156 Azodicarbonamide Substances 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 229920001800 Shellac Polymers 0.000 claims description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 4
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 4
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 4
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 4
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 239000004208 shellac Substances 0.000 claims description 4
- 229940113147 shellac Drugs 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- IDCPFAYURAQKDZ-UHFFFAOYSA-N 1-nitroguanidine Chemical compound NC(=N)N[N+]([O-])=O IDCPFAYURAQKDZ-UHFFFAOYSA-N 0.000 claims description 3
- STIAPHVBRDNOAJ-UHFFFAOYSA-N carbamimidoylazanium;carbonate Chemical compound NC(N)=N.NC(N)=N.OC(O)=O STIAPHVBRDNOAJ-UHFFFAOYSA-N 0.000 claims description 3
- 235000006748 manganese carbonate Nutrition 0.000 claims description 3
- 229940093474 manganese carbonate Drugs 0.000 claims description 3
- 239000011656 manganese carbonate Substances 0.000 claims description 3
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 claims description 3
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 claims description 3
- 235000013874 shellac Nutrition 0.000 claims description 3
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 2
- CEDDGDWODCGBFQ-UHFFFAOYSA-N carbamimidoylazanium;hydron;phosphate Chemical compound NC(N)=N.OP(O)(O)=O CEDDGDWODCGBFQ-UHFFFAOYSA-N 0.000 claims description 2
- LNEUSAPFBRDCPM-UHFFFAOYSA-N carbamimidoylazanium;sulfamate Chemical compound NC(N)=N.NS(O)(=O)=O LNEUSAPFBRDCPM-UHFFFAOYSA-N 0.000 claims description 2
- 229960000789 guanidine hydrochloride Drugs 0.000 claims description 2
- PJJJBBJSCAKJQF-UHFFFAOYSA-N guanidinium chloride Chemical compound [Cl-].NC(N)=[NH2+] PJJJBBJSCAKJQF-UHFFFAOYSA-N 0.000 claims description 2
- 229920000591 gum Polymers 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 229940045136 urea Drugs 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 238000001514 detection method Methods 0.000 abstract description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 70
- 239000000243 solution Substances 0.000 description 27
- 239000007789 gas Substances 0.000 description 14
- 239000000443 aerosol Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 12
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 12
- 238000009826 distribution Methods 0.000 description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 238000005507 spraying Methods 0.000 description 8
- 229920000877 Melamine resin Polymers 0.000 description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 7
- 229920005372 Plexiglas® Polymers 0.000 description 7
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 6
- 235000015497 potassium bicarbonate Nutrition 0.000 description 6
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 6
- 239000011736 potassium bicarbonate Substances 0.000 description 6
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 6
- 235000010333 potassium nitrate Nutrition 0.000 description 6
- 239000004323 potassium nitrate Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 4
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 4
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 4
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 3
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 3
- 229910001487 potassium perchlorate Inorganic materials 0.000 description 3
- 239000012286 potassium permanganate Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 description 2
- 235000016337 monopotassium tartrate Nutrition 0.000 description 2
- -1 phenolic aldehyde Chemical class 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- KYKNRZGSIGMXFH-ZVGUSBNCSA-M potassium bitartrate Chemical compound [K+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O KYKNRZGSIGMXFH-ZVGUSBNCSA-M 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 description 1
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 229940081543 potassium bitartrate Drugs 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- 229940086065 potassium hydrogentartrate Drugs 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 235000010241 potassium sorbate Nutrition 0.000 description 1
- 239000004302 potassium sorbate Substances 0.000 description 1
- 229940069338 potassium sorbate Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005303 weighing Methods 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
- A62D1/06—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention relates to a self-extinguishing composition and its fire extinguishing method, this fire extinguishing composition can coat or paste around easy ignition point, while taking place in the fire, the said self-extinguishing composition absorbs the heat that the fire scene produces and carries on the chemical reaction of the flameless, produce gas and fire extinguishing substance; the automatic fire extinguishing composition comprises a main fire extinguishing component, a gas generating component and an adhesive, and comprises the following components in percentage by mass: the main fire extinguishing component is 30-65%, the gas generating component is 15-40%, and the adhesive is 15-40%, the automatic fire extinguishing composition of the invention does not need to be equipped with a conventional detection and control unit, and does not need a starting device, and when a fire breaks out, the fire extinguishing composition absorbs heat generated by a fire scene to carry out flameless chemical reaction, so that gas and fire extinguishing substances are generated, the automatic fire extinguishing function is realized, and the secondary fire is safely, reliably and effectively avoided.
Description
Technical Field
The invention relates to the field of novel fire extinguishing agents, in particular to an automatic fire extinguishing composition.
Background
The fire extinguishing system in the current market is generally composed of a detection unit, a control unit, a fire extinguishing unit and the like. When a fire occurs, the detection unit is first operated to transmit a fire signal to the control unit, and the control unit restarts the fire extinguishing unit to extinguish the fire. The unit parts have complex structures, large occupied space and delayed fire extinguishing time.
Traditional fire extinguishing products are classified into gas extinguishers, water-based extinguishers and dry powder extinguishers according to the type of fire extinguishing agent filled in the fire extinguishing products. The products all need a high-voltage driver to realize the automatic starting of the system, and the system has a plurality of accessories, so that on one hand, the investment cost is increased, and on the other hand, the probability of system failure is increased due to the plurality of accessories, and the difficulty is brought to the maintenance.
The existing hot aerosol fire extinguishing agent mainly comprises S-type and K-type fire extinguishing agents, when the fire extinguishing agent is used, firework type agents are needed to be used as a heat source and a power source, the firework type agents are combusted to decompose the hot aerosol fire extinguishing agent to generate a large amount of extinguishable substances, and a large amount of gas generated by combustion of the firework type agents is sprayed out together to achieve the purpose of fire extinguishing. Its weak point is in when the hot aerosol fire extinguishing agent takes place combustion reaction and releases out hot aerosol, can release a large amount of heat, can cause the postcombustion, for effectively reducing the temperature of device and aerosol, avoid taking place the secondary fire, need increase cooling system, the cooling temperature material of current hot aerosol fire extinguishing device though can reduce the temperature of product, the fire extinguishing performance of product has also been weakened greatly simultaneously, in order to compensate the loss on the fire extinguishing performance that cooling system brought, many products have either reduced the rank of putting out a fire, or continue to increase the quality of actual fire extinguishing agent, make the product volume increase, the availability factor descends, this leads to the complicated heavy device structure
Disclosure of Invention
Aiming at the current situation of the existing fire extinguishing device, particularly the inherent defects in a hot aerosol fire extinguishing system, the invention provides a simpler, safer and more efficient automatic fire extinguishing composition, which directly captures the fire scene situation without a front unit such as detection, control and the like and starts to extinguish fire in real time.
The technical scheme adopted by the invention is as follows:
a self-extinguishing composition characterized by: the fire extinguishing composition is coated around an easily ignitable point, and when a fire breaks out, the automatic fire extinguishing composition absorbs heat generated by a fire scene to perform flameless chemical reaction to generate gas and fire extinguishing substances; the automatic fire extinguishing composition comprises a main fire extinguishing component, a gas generating component and an adhesive, and comprises the following components in percentage by mass: 30-65% of main fire extinguishing component, 15-40% of gas generating component and 15-40% of adhesive.
Further, the main fire extinguishing component is one or more of sodium bicarbonate, potassium bicarbonate, ammonium dihydrogen phosphate, potassium dihydrogen phosphate, manganese carbonate, potassium nitrate, potassium hydrogen tartrate, potassium sorbate, potassium perchlorate, potassium chlorate, potassium permanganate, sodium chlorate, sodium perchlorate, potassium dichromate and potassium chromate.
Further, the gas generating component is one or more of dicyandiamide, melamine, guanidine carbonate, azodicarbonamide, nitroguanidine, guanidine phosphate, guanidine hydrochloride, urea and guanidine sulfamate.
Further, the adhesive is one or more of polyvinyl alcohol, acetal gum, hydroxypropyl methyl cellulose, phenolic resin, shellac, ethyl cellulose, nitrocellulose and starch.
Further, the fire extinguishing composition comprises the following components in percentage by mass:
40 to 60 percent of main fire extinguishing component
The gas production component is 15-30%
15 to 30 percent of adhesive
Further, the fire extinguishing composition comprises the following components in percentage by mass:
40 to 60 percent of main fire extinguishing component
The gas production component is 15-25%
15 to 25 percent of adhesive
Furthermore, the fire extinguishing composition is pressed and dried by solvent to form a sheet shape, a strip shape, a column shape or other sheet shapes which are easy to stick, and the fire extinguishing composition is stuck in the space around the easy ignition point.
Further, the fire extinguishing composition is prepared into a coating and sprayed in the space around the easy ignition point.
Another object of the present invention is to provide a method for preparing the automatic fire extinguishing composition, when the fire extinguishing composition is prepared in a plate shape, the method comprising the steps of:
1) dissolving an adhesive in a solvent to prepare a solution with the mass fraction of 30-65%;
2) crushing the main fire extinguishing component and the gas generating component to 80-200 standard mesh fineness, mixing according to the proportion requirement, and sieving for 3 times by using a 80-200 mesh sieve;
3) adding the adhesive solution into the mixed powder according to the proportion, stirring for 10min, and standing for 30 min;
4) and putting the stirred dough into a mold, and pressing and molding.
When the fire extinguishing composition is prepared by spraying paint, the preparation method comprises the following steps:
1) dissolving an adhesive in a solvent to prepare a solution with the mass fraction of 5-20%;
2) crushing the main fire extinguishing component and the gas generating component to 80-200 standard mesh fineness, mixing according to the proportion requirement, and sieving for 3 times by using a 80-200 mesh sieve;
3) and (3) adding the adhesive solution into the mixed powder according to the proportion, and stirring for 10min to obtain the adhesive.
The invention also provides a novel fire extinguishing method using the fire extinguishing composition, which is characterized by comprising the following steps: the automatic fire extinguishing composition is coated or stuck around an easily-ignited point, and when a fire breaks out, the automatic fire extinguishing composition absorbs heat generated by a fire scene to perform self-excitation type flameless chemical reaction to generate gas and fire extinguishing substances, so that the aim of extinguishing the fire is fulfilled; the fire extinguishing composition comprises a main fire extinguishing component, a gas generating component and an adhesive, and the components in percentage by mass are as follows:
30 to 65 percent of main fire extinguishing component
The gas production component is 15-40%
15 to 40 percent of adhesive.
The fire extinguishing mechanism of the automatic fire extinguishing composition is as follows:
the automatic fire extinguishing composition is distributed around an easily-ignited point in a coating or patch mode, when a fire occurs, a large amount of heat can be generated, and the automatic fire extinguishing composition absorbs heat to perform chemical reaction to generate a large amount of fire extinguishing active substances which directly reach a fire scene to extinguish the fire.
Unlike traditional aerosol generating agents, the fire extinguishing composition does not require a starting device, and in addition, the fire extinguishing composition absorbs heat generated by a fire, and the chemical reaction is a flameless reaction, so that secondary fire hazard generated by flaming combustion is avoided.
Compared with the prior art, the invention has the advantages that:
1) the present invention is a simple, low cost, highly reliable fire extinguishing composition that does not require any power source, special smoke/temperature detectors, and complex equipment and piping after being manufactured into a product. The automatic fire extinguishing composition integrates detection, control, starting and fire extinguishing units, and has the advantages of simple structure, small occupied space, safe and rapid fire extinguishing and low maintenance cost.
2) The automatic fire extinguishing composition is particularly suitable for preventing and controlling early fire in micro space, such as: the switch cabinet, the transformer cabinet and the like can effectively control the early fire condition only by sticking or spraying the fire extinguishing composition patch around the easy-to-catch fire point.
3) The automatic fire extinguishing composition does not need to be provided with a conventional detection and control unit or a starting device, and when a fire breaks out, the fire extinguishing composition absorbs heat generated by a fire scene to carry out flameless chemical reaction to generate gas and fire extinguishing substances, thereby realizing the automatic fire extinguishing function, being safe and reliable, and not generating secondary fire hidden danger.
Detailed Description
The following are specific examples of the present disclosure, which are used to illustrate technical solutions to be solved in the present disclosure and help those skilled in the art understand the present disclosure, but the present disclosure is not limited to these examples.
Example 1
22g of phenol was weighed and dissolved completely in 18g of alcohol to prepare a phenol solution.
Uniformly mixing 20g of sodium bicarbonate, 36g of ammonium dihydrogen phosphate and 22g of dicyandiamide by using a 100-mesh screen, adding the phenolic aldehyde solution into the mixed powder, uniformly stirring, pressing into a sheet structure with the thickness of 1mm, and airing for later use.
The dried sheet fire-extinguishing composition was cut into 3cm by 3cm rectangular patches and attached with a backing adhesive to the top of the inner surface of a 10cm by 20cm by height electrical box, wherein the material of one side of the electrical box was clear plexiglass to facilitate observation of the fire-extinguishing conditions. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire extinguishing composition patch starts within 5 seconds, extinguishes within 10 seconds, and carrying out flameless reaction in the whole process, wherein the trigger temperature is 294 ℃ and the reaction temperature after starting is 302 ℃.
Example 2
22g of nitrocotton was weighed and dissolved completely with 18g of acetone to prepare a nitrocotton solution.
Mixing 22g of potassium nitrate, 22g of potassium perchlorate, 11g of potassium bicarbonate and 22g of melamine by using a 100-mesh screen, adding the nitrocotton solution into the mixed powder, stirring uniformly, pressing into a sheet structure with the thickness of 1mm, and airing for later use.
The dried sheet fire-extinguishing composition was cut into 3cm by 3cm rectangular patches and attached with a backing adhesive to the top of the inner surface of a 10cm by 20cm by height electrical box, wherein the material of one side of the electrical box was clear plexiglass to facilitate observation of the fire-extinguishing conditions. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire extinguishing composition patch starts within 8 seconds, extinguishes within 13 seconds, and carrying out flameless reaction in the whole process, wherein the trigger temperature is measured to be 302 ℃, and the reaction temperature after starting is 310 ℃.
Example 3
10g of ethyl cellulose was weighed and dissolved completely with 90g of alcohol to prepare an ethyl cellulose solution.
10g of potassium chlorate, 11g of potassium bitartrate, 5g of potassium nitrate, 5g of nitroguanidine and 5g of guanidine carbonate are uniformly mixed by a 100-mesh screen, and then the ethyl cellulose solution is added into the mixed powder and is uniformly stirred.
And spraying the mixed solution to the inner surface of a distribution box with the size of 10cm (length) × 10cm (width) × 20cm (height) by using a spray gun, wherein the spraying thickness is 0.3mm, and the material of one side surface of the distribution box is transparent organic glass so as to be beneficial to observing the fire extinguishing condition. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire extinguishing composition patch starts within 4 seconds, extinguishes within 8 seconds, and carrying out flameless reaction in the whole process, wherein the trigger temperature is measured to be 285 ℃, and the reaction temperature after starting is 300 ℃.
Example 4
8g of hydroxypropylmethylcellulose was weighed and dissolved completely with 92g of water to prepare a hydroxypropylmethylcellulose solution.
Uniformly mixing 12g of manganese carbonate, 7g of potassium permanganate, 9g of sodium perchlorate, 6g of azodicarbonamide and 4g of urea by using a 100-mesh sieve, then adding a hydroxypropyl methyl cellulose solution into the mixed powder, and uniformly stirring.
And spraying the mixed solution to the inner surface of a distribution box with the size of 10cm (length) × 10cm (width) × 20cm (height) by using a spray head, wherein the spraying thickness is 0.5mm, and the material of one side surface of the distribution box is transparent organic glass so as to be beneficial to observing the fire extinguishing condition. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire-extinguishing composition patch starts within 3 seconds, extinguishes within 6 seconds, and carrying out flameless reaction in the whole process, wherein the trigger temperature is measured to be 280 ℃, and the reaction temperature after starting is 291 ℃.
Example 5
20g of polyvinyl alcohol is weighed and dissolved completely by 20g of boiled water to prepare a polyvinyl alcohol solution.
And uniformly mixing 56g of potassium nitrate and 22g of melamine by using a 100-mesh screen, adding the phenolic solution into the mixed powder, uniformly stirring, pressing into a sheet structure with the thickness of 1.5mm, and airing for later use.
The dried sheet fire-extinguishing composition was cut into 3cm by 3cm rectangular patches and attached with a backing adhesive to the top of the inner surface of a 10cm by 20cm by height electrical box, wherein the material of one side of the electrical box was clear plexiglass to facilitate observation of the fire-extinguishing conditions. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire extinguishing composition patch starts within 3 seconds, extinguishes within 5 seconds, and carrying out flameless reaction in the whole process, wherein the trigger temperature is measured to be 283 ℃, and the reaction temperature after starting is 292 ℃.
Example 6
20g of nitrocotton is weighed and dissolved completely by 20g of acetone to prepare nitrocotton solution.
Uniformly mixing 22g of potassium nitrate, 22g of potassium dichromate, 11g of potassium bicarbonate and 22g of melamine by using a 100-mesh screen, adding the nitrocotton solution into the mixed powder, uniformly stirring, pressing into a sheet structure with the thickness of 1mm, and airing for later use.
The dried sheet fire-extinguishing composition was cut into 3cm by 3cm rectangular patches and attached with a backing adhesive to the top of the inner surface of a 10cm by 20cm by height electrical box, wherein the material of one side of the electrical box was clear plexiglass to facilitate observation of the fire-extinguishing conditions. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire extinguishing composition patch starts within 6 seconds, extinguishes within 10 seconds, and carrying out flameless reaction in the whole process, wherein the measured trigger temperature is 298 ℃, and the reaction temperature after starting is 305 ℃.
Example 7
10g of phenolic resin and 10g of ethyl cellulose were weighed and dissolved completely with 20g of alcohol to prepare a phenolic-ethyl cellulose solution.
Mixing 13g of potassium chlorate, 31g of sodium chlorate, 10g of potassium bicarbonate and 20g of dicyandiamide uniformly by using a 100-mesh screen, adding the phenolic aldehyde-ethyl cellulose solution into the mixed powder, stirring uniformly, pressing into a sheet structure with the thickness of 1mm, and airing for later use.
The dried sheet fire-extinguishing composition was cut into 3cm by 3cm rectangular patches and attached with a backing adhesive to the top of the inner surface of a 10cm by 20cm by height electrical box, wherein the material of one side of the electrical box was clear plexiglass to facilitate observation of the fire-extinguishing conditions. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire extinguishing composition patch starts within 4 seconds, extinguishes within 8 seconds, and carrying out flameless reaction in the whole process, wherein the trigger temperature is measured to be 292 ℃, and the reaction temperature after starting is 300 ℃.
Example 8
3g of phenolic aldehyde and 5g of shellac are weighed and dissolved completely with 92g of alcohol to prepare a phenolic aldehyde-shellac solution.
And uniformly mixing 19g of monopotassium phosphate, 9g of sodium perchlorate, 6g of azodicarbonamide and 4g of urea by using a 100-mesh sieve, adding the phenolic aldehyde-laccain solution into the mixed powder, and uniformly stirring.
And (3) brushing the inner surface of the distribution box with the size of 10cm (length) by 10cm (width) by 20cm (height) with a coating in turn to form a composition layer with the thickness of 0.5mm, wherein the material of one side surface of the distribution box is transparent organic glass so as to be beneficial to observing the fire extinguishing condition. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire-extinguishing composition patch starts within 3 seconds, extinguishes within 6 seconds, and the whole process is flameless reaction, wherein the trigger temperature is measured to be 297 ℃ and the reaction temperature after starting is 306 ℃.
Example 9
An acetal gum solution was prepared by weighing 18g of acetal gum and dissolving it completely with 22g of alcohol.
Uniformly mixing 25g of sodium bicarbonate, 31g of ammonium dihydrogen phosphate and 22g of melamine by using a 100-mesh screen, adding the acetal colloid solution into the mixed powder, uniformly stirring, pressing into a sheet structure with the thickness of 1mm, and airing for later use.
The dried sheet fire-extinguishing composition was cut into 3cm by 3cm rectangular patches and attached with a backing adhesive to the top of the inner surface of a 10cm by 20cm by height electrical box, wherein the material of one side of the electrical box was clear plexiglass to facilitate observation of the fire-extinguishing conditions. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire extinguishing composition patch starts within 5 seconds, extinguishes within 8 seconds, and carrying out flameless reaction in the whole process, wherein the measured trigger temperature is 286 ℃, and the reaction temperature after starting is 299 ℃.
Example 10
8g of nitrocotton is weighed and dissolved completely by 92g of acetone to prepare nitrocotton solution.
Uniformly mixing 8g of potassium bicarbonate, 10g of potassium permanganate, 9g of potassium perchlorate, 6g of melamine and 4g of urea by using a 100-mesh sieve, then adding the nitrocotton solution into the mixed powder, and uniformly stirring.
And spraying the mixed solution to the inner surface of a distribution box with the size of 10cm (length) × 10cm (width) × 20cm (height) by using a spray head, wherein the spraying thickness is 0.5mm, and the material of one side surface of the distribution box is transparent organic glass so as to be beneficial to observing the fire extinguishing condition. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire-extinguishing composition patch starts within 3 seconds, extinguishes within 5 seconds, and carrying out flameless reaction in the whole process, wherein the trigger temperature is 291 ℃ measured and the reaction temperature after starting is 302 ℃.
Example 11
20g of nitrocotton was weighed and dissolved completely with 15g of acetone and 5g of cyclohexanone to prepare a nitrocotton solution.
Uniformly mixing 22g of potassium nitrate, 22g of sodium perchlorate, 11g of potassium bicarbonate and 22g of melamine by using a 100-mesh screen, adding the nitrocotton solution into the mixed powder, uniformly stirring, pressing into a sheet structure with the thickness of 1mm, and airing for later use.
The dried sheet fire-extinguishing composition was cut into 3cm by 3cm rectangular patches and attached with a backing adhesive to the top of the inner surface of a 10cm by 20cm by height electrical box, wherein the material of one side of the electrical box was clear plexiglass to facilitate observation of the fire-extinguishing conditions. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. Igniting n-heptane, observing that the fire extinguishing composition patch starts within 6 seconds, extinguishes within 10 seconds, and carrying out flameless reaction in the whole process, wherein the trigger temperature is measured to be 296 ℃, and the reaction temperature after starting is 303 ℃.
Example 12
According to examples 1-11, the dried sheet fire-extinguishing composition was cut into rectangular patches of 3cm by 3cm, respectively, and applied with a back adhesive on top of the inner surface of a distribution box of 10cm (length) by 10cm (width) by 20cm (height), the formulated fire-extinguishing composition was easily sprayed into the distribution box, and a commercially available aerosol product was placed on the bottom of the distribution box. Wherein, the material of a side of block terminal is with transparent organic glass to do benefit to the observation condition of putting out a fire. A vessel of 3cm diameter was filled with n-heptane and placed at the bottom of the box. N-heptane was ignited and the fire extinguishing composition and commercial aerosol product was observed for start-up time, fire extinguishing time, start-up temperature, reaction temperature (temperature after start-up).
| Examples 1 to 11 | Commercially available aerosol products | |
| Trigger temperature/. degree.C | 280-298 | 580-650 |
| Reaction temperature/. degree.C | 291-306 | 700-850 |
| Trigger reaction time/s | 3-8 | 8-12 |
| Time of fire extinguishing/s | 5-13 | 10-20 |
As can be seen from the table, the fire extinguishing compositions of examples 1-11 have significantly lower triggering and reaction temperatures than commercial aerosol fire extinguishing products, short triggering and reaction times, and rapid fire extinguishing, significantly superior to commercial aerosol fire extinguishing products.
The above examples are merely illustrative of the preferred embodiments of the present invention and do not limit the present invention. Changes and modifications of the above-described embodiments within the spirit and scope of the present invention should fall within the scope of the claims of the present application.
Claims (3)
1. A self-extinguishing composition characterized by: the fire extinguishing composition is coated around an easily ignitable point, and when a fire breaks out, the automatic fire extinguishing composition absorbs heat generated by a fire scene to perform flameless chemical reaction to generate gas and fire extinguishing substances; the automatic fire extinguishing composition comprises a main fire extinguishing component, a gas generating component and an adhesive, and comprises the following components in percentage by mass: 40-60% of main fire extinguishing component, 15-30% of gas generating component, 15-30% of adhesive,
the main fire extinguishing component is one or more of ammonium dihydrogen phosphate and manganese carbonate;
the gas generating component is one or more of guanidine carbonate, azodicarbonamide, nitroguanidine, guanidine phosphate, guanidine hydrochloride, urea and guanidine sulfamate;
the adhesive is one or more of polyvinyl alcohol, acetal gum, hydroxypropyl methyl cellulose, shellac, ethyl cellulose, nitrocotton and starch.
2. The automatic fire extinguishing composition of claim 1, wherein: the fire extinguishing composition comprises the following components in percentage by mass:
30-65% of main fire extinguishing component
The gas production component is 15-40%
15% -40% of adhesive.
3. A method of making the self-extinguishing composition according to any one of claims 1-2, comprising the steps of:
1) dissolving an adhesive in a solvent to prepare a solution with the mass fraction of 5-20%;
2) crushing the main fire extinguishing component and the gas generating component to 80-200 standard mesh fineness, mixing according to the proportion requirement, and sieving for 3 times by using a 80-200 mesh sieve;
3) and (3) adding the adhesive solution into the mixed powder according to the proportion, and stirring for 10min to obtain the adhesive.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193423.XA CN107854800B (en) | 2017-11-24 | 2017-11-24 | Automatic fire extinguishing composition |
| PCT/CN2018/114990 WO2019100958A1 (en) | 2017-11-24 | 2018-11-12 | Automatic fire extinguishing composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193423.XA CN107854800B (en) | 2017-11-24 | 2017-11-24 | Automatic fire extinguishing composition |
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| CN107854800B true CN107854800B (en) | 2020-12-18 |
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| WO (1) | WO2019100958A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107854800B (en) * | 2017-11-24 | 2020-12-18 | 西安威西特消防科技有限责任公司 | Automatic fire extinguishing composition |
| CN108853861A (en) * | 2018-08-20 | 2018-11-23 | 常州扬鹏科技有限公司 | From temperature sensitive type fire-extinguishing composite and preparation method thereof |
| CN108992831A (en) * | 2018-08-20 | 2018-12-14 | 常州扬鹏科技有限公司 | It is pasted from the preparation method of temperature sensitive type fire extinguishing patch and its putting out a fire from temperature sensitive type for preparation |
| CN109568837A (en) * | 2018-12-12 | 2019-04-05 | 西安三业新材料股份有限公司 | It is a kind of flexibility aerosol composite fire extinguishing patch and preparation method |
| CN110152233A (en) * | 2019-06-03 | 2019-08-23 | 天津鹏安数讯消防设备工程有限公司 | A kind of non-stored-pressure type extinguishing device gas-forming agent |
| US20230050941A1 (en) * | 2020-01-22 | 2023-02-16 | Yamato Protec Corporation | Fire extinguishing sheet |
| CN113750434A (en) * | 2021-09-06 | 2021-12-07 | 西安全永智能技术有限公司 | Self-temperature-sensing fire extinguishing microparticle generating agent |
| CN115569322A (en) * | 2022-10-12 | 2023-01-06 | 深圳市国电投资有限公司 | Special fire extinguishing device and fire extinguishing agent for battery replacement cabinet |
| CN116059575B (en) * | 2023-03-02 | 2023-09-22 | 南京高昇消防药剂有限公司 | Anti-caking dry powder extinguishing agent and preparation method thereof |
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| CN101745195A (en) * | 2010-01-19 | 2010-06-23 | 陕西坚瑞消防股份有限公司 | Novel anti-aging aerogel generating agent and preparation process thereof |
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| KR100696874B1 (en) * | 2003-11-28 | 2007-03-20 | 윤욱열 | Composition for action of resist-fire and fire-extinguishing |
| CN102179026B (en) * | 2010-09-16 | 2012-06-27 | 陕西坚瑞消防股份有限公司 | Fire extinguishing composition generating extinguishant by pyrolysis |
| CN102179024B (en) * | 2010-09-16 | 2012-06-27 | 陕西坚瑞消防股份有限公司 | Fire extinguishing composition for generating fire extinguishing substance through chemical reaction among components at high temperature |
| KR101184790B1 (en) * | 2011-02-10 | 2012-09-20 | 제이에스씨 파이로 치미카 | Standalone Means for Firefighting |
| CN102949798B (en) * | 2011-08-16 | 2015-07-22 | 西安坚瑞安全应急设备有限责任公司 | Novel fire-extinguishing composition |
| CN103170082A (en) * | 2011-12-20 | 2013-06-26 | 陕西坚瑞消防股份有限公司 | Fire-extinguishing composition containing amino acid compounds |
| TWI704001B (en) * | 2014-02-18 | 2020-09-11 | 海浚國際貿易有限公司 | Fire extinguishing compositions |
| CN104989241B (en) * | 2015-06-14 | 2017-01-11 | 黄玉娇 | Steel wood indoor door |
| CN105194830A (en) * | 2015-09-23 | 2015-12-30 | 西安坚瑞安全应急设备有限责任公司 | Fire extinguishing composition |
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| CN105925040A (en) * | 2016-07-12 | 2016-09-07 | 王根夫 | Mathematic display model surface antibiosis and flame retardation coating layer |
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| CN101745195A (en) * | 2010-01-19 | 2010-06-23 | 陕西坚瑞消防股份有限公司 | Novel anti-aging aerogel generating agent and preparation process thereof |
| CN204655839U (en) * | 2015-05-08 | 2015-09-23 | 江苏日明消防设备有限公司 | A kind of aerosol self-extinguishing is pasted |
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| WO2019100958A1 (en) | 2019-05-31 |
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