CN114053643A - Ethanol gasoline fire foam extinguishing agent for vehicles - Google Patents
Ethanol gasoline fire foam extinguishing agent for vehicles Download PDFInfo
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- CN114053643A CN114053643A CN202111309800.8A CN202111309800A CN114053643A CN 114053643 A CN114053643 A CN 114053643A CN 202111309800 A CN202111309800 A CN 202111309800A CN 114053643 A CN114053643 A CN 114053643A
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- film
- agent
- fire
- extinguishing agent
- foam
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 169
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 239000006260 foam Substances 0.000 title claims abstract description 70
- 229920001577 copolymer Polymers 0.000 claims abstract description 21
- 239000000230 xanthan gum Substances 0.000 claims abstract description 11
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 11
- 229940082509 xanthan gum Drugs 0.000 claims abstract description 11
- 235000010493 xanthan gum Nutrition 0.000 claims abstract description 11
- 239000012296 anti-solvent Substances 0.000 claims abstract 4
- 238000003756 stirring Methods 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 24
- 239000011259 mixed solution Substances 0.000 claims description 20
- 239000006184 cosolvent Substances 0.000 claims description 18
- 239000004088 foaming agent Substances 0.000 claims description 18
- 239000003755 preservative agent Substances 0.000 claims description 18
- 230000002335 preservative effect Effects 0.000 claims description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 17
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical group [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 12
- 235000010234 sodium benzoate Nutrition 0.000 claims description 12
- 239000004299 sodium benzoate Substances 0.000 claims description 12
- -1 fluorosurfactant Substances 0.000 claims description 9
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 8
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical group CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 229930182470 glycoside Natural products 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- FENFUOGYJVOCRY-UHFFFAOYSA-N 1-propoxypropan-2-ol Chemical compound CCCOCC(C)O FENFUOGYJVOCRY-UHFFFAOYSA-N 0.000 claims description 5
- 230000002528 anti-freeze Effects 0.000 claims description 5
- 229940057950 sodium laureth sulfate Drugs 0.000 claims description 4
- SXHLENDCVBIJFO-UHFFFAOYSA-M sodium;2-[2-(2-dodecoxyethoxy)ethoxy]ethyl sulfate Chemical compound [Na+].CCCCCCCCCCCCOCCOCCOCCOS([O-])(=O)=O SXHLENDCVBIJFO-UHFFFAOYSA-M 0.000 claims description 4
- 229940067741 sodium octyl sulfate Drugs 0.000 claims description 3
- WFRKJMRGXGWHBM-UHFFFAOYSA-M sodium;octyl sulfate Chemical compound [Na+].CCCCCCCCOS([O-])(=O)=O WFRKJMRGXGWHBM-UHFFFAOYSA-M 0.000 claims description 3
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims 1
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 claims 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims 1
- 229960003237 betaine Drugs 0.000 claims 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims 1
- 239000013535 sea water Substances 0.000 abstract description 10
- 108010025899 gelatin film Proteins 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000005977 Ethylene Substances 0.000 abstract 1
- 239000007798 antifreeze agent Substances 0.000 description 13
- 239000004094 surface-active agent Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 8
- 239000011737 fluorine Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- MRUAUOIMASANKQ-UHFFFAOYSA-O carboxymethyl-[3-(dodecanoylamino)propyl]-dimethylazanium Chemical group CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC(O)=O MRUAUOIMASANKQ-UHFFFAOYSA-O 0.000 description 4
- 229940075468 lauramidopropyl betaine Drugs 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 3
- YLIMHFXLIKETBC-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCC[Na] YLIMHFXLIKETBC-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 2
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical group O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229940116335 lauramide Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- HLERILKGMXJNBU-UHFFFAOYSA-N norvaline betaine Chemical compound CCCC(C([O-])=O)[N+](C)(C)C HLERILKGMXJNBU-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000001629 suppression Effects 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
- A62D1/0064—Gels; Film-forming compositions
-
- 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
- A62D1/0071—Foams
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
本发明提供了一种针对车用乙醇汽油火灾的泡沫灭火剂，该灭火剂配方在成膜剂的基础上加入助膜剂；其中，成膜剂为黄原胶；助膜剂包括丙烯酸‑马来酸酐共聚物、丙烯酸‑丙烯酸酯共聚物、丙烯酸‑衣康酸共聚物中的至少一种。按重量百分比计，成膜剂与助膜剂的重量比为1‑3:4。助膜剂的加入确保该车用乙醇汽油火灾泡沫灭火剂形成高度不透气性的致密、结实的增强复合膜。在针对车用乙醇汽油火时灭火速度快，抗复燃能力强，即使在海水水质中仍能保持良好的灭火性能。同时，本发明的助膜剂同样适用于现有的抗溶泡沫灭火剂，在现有的抗溶泡沫灭火剂中加入该助膜剂同样会提高灭火泡沫凝胶膜的强度及韧性，增强灭火能力。The invention provides a foam fire extinguishing agent for vehicle ethanol gasoline fire. The fire extinguishing agent formula is added with a film-forming agent on the basis of a film-forming agent; wherein, the film-forming agent is xanthan gum; At least one of ethylene anhydride copolymer, acrylic acid-acrylate copolymer, and acrylic acid-itaconic acid copolymer. By weight percentage, the weight ratio of film former to film aid is 1-3:4. The addition of the film aid ensures that the vehicle ethanol gasoline fire foam extinguishing agent forms a dense and strong reinforced composite film with high gas impermeability. In the case of vehicle ethanol gasoline fire, the fire extinguishing speed is fast, and the anti-re-ignition ability is strong, and it can still maintain good fire extinguishing performance even in seawater quality. At the same time, the film assistant of the present invention is also applicable to the existing anti-solvent foam fire extinguishing agent, and adding the film assistant to the existing anti-solvent foam fire extinguishing agent will also improve the strength and toughness of the fire-extinguishing foam gel film, and enhance the fire-extinguishing foam. ability.
Description
Technical Field
The invention belongs to a fire extinguishing agent, and particularly relates to an ethanol gasoline fire foam extinguishing agent for a vehicle.
Background
The continuing increase in energy crisis and environmental pollution issues has driven the global demand for sustainable, clean energy to an ever increasing extent. The popularization of the ethanol gasoline has important strategic significance and practical value for saving petroleum resources and improving the quality of atmospheric environment. Since the trial of starting the ethanol gasoline for vehicles in 2001 in China, the production and popularization of the ethanol gasoline are expanded year by year, and the ethanol gasoline for vehicles is popularized and used in more than ten provinces in China at present.
But as flammable and explosive dangerous chemicals, the ethanol gasoline has a prominent fire safety problem. At present, a pipeline blending mode is mainly adopted in China, and researches show that the charge density of an oil product is suddenly increased in the blending process, so that the process aggravates the danger of electrostatic explosion accidents in the oil product loading process. In addition, the physical and chemical properties of the ethanol gasoline for the vehicle make the ethanol gasoline become a chemical with higher fire risk than common gasoline. In terms of vapor pressure, when 10% ethanol is added to gasoline, the vapor pressure of the liquid is greatly increased at the same temperature, and the evaporation speed of the liquid is increased accordingly. Moreover, in ethanol-gasoline mixtures, ethanol and hydrocarbons form azeotropes with still undefined structures, which also increases the difficulty of fire suppression. Research has proved that the existing traditional foam fire extinguishing agent has higher difficulty in treating the fire of the ethanol gasoline. Wherein, the non-anti-dissolving foam extinguishing agent can not resist the damage of ethanol in fuel to foam, so that the foam is broken and a continuous and effective foam covering layer can not be formed, and the fire extinguishing performance is poor. The prior anti-dissolving foam extinguishing agent adopts xanthan gum as a film forming agent, but the technology shows that the gel film is not continuous and compact enough when dealing with ethanol gasoline fire, the effect of covering and isolating fuel vapor is not obvious enough, and the fire extinguishing effect also cannot reach the expectation.
Disclosure of Invention
The invention aims to solve the problem that the conventional special fire extinguishing agent for the ethanol gasoline fire disaster for the vehicle is not enough, and in order to achieve the purpose, the invention researches and develops a high-efficiency foam extinguishing agent for the ethanol gasoline fire disaster for the vehicle by adding an auxiliary film agent.
The technical scheme of the invention is as follows:
ethanol gasoline fire foam extinguishing agent for vehicles; it is characterized in that the film aid agent is added on the basis of the film forming agent; wherein the film forming agent is xanthan gum; the film aid agent comprises at least one of acrylic acid-maleic anhydride copolymer, acrylic acid-acrylate copolymer and acrylic acid-itaconic acid copolymer; the weight ratio of the film forming agent to the film aid agent is 1-3: 4.
Adding a film aid agent into the anti-dissolving foam extinguishing agent; adding 1-2% of the anti-dissolving foam extinguishing agent by mass ratio.
The weight ratio of the film forming agent to the film assistant agent can ensure the high compactness of the reinforced composite film formed by crosslinking the film forming agent and the film assistant agent, and improve the fire extinguishing capability to the alcohol gasoline fire for vehicles.
Furthermore, the fire extinguishing foam gel film is also suitable for the existing anti-dissolving foam extinguishing agent, and the strength and toughness of the fire extinguishing foam gel film can be improved by adding the film aid agent into the existing anti-dissolving foam extinguishing agent, so that the fire extinguishing capability is enhanced;
further, as an embodiment of the invention, the ethanol gasoline fire foam extinguishing agent for the vehicle comprises a film forming agent, an auxiliary film agent, a foaming agent, a fluorine surfactant, a cosolvent, an antifreeze agent and a preservative;
according to the vehicle ethanol gasoline fire foam extinguishing agent, the film-forming agent is xanthan gum;
the ethanol gasoline fire foam extinguishing agent for the vehicle comprises at least one of acrylic acid-maleic anhydride copolymer, acrylic acid-acrylate copolymer and acrylic acid-itaconic acid copolymer
According to the ethanol gasoline fire foam extinguishing agent for the vehicle, the foaming agent comprises at least one of lauramide propyl betaine, octyl sodium sulfate, lauryl sodium sulfate, sodium laureth sulfate and alkyl glycoside.
According to the ethanol gasoline fire foam extinguishing agent for the vehicle, the fluorine surfactant is at least one of Forafac 1203G, Capstone 1470, Capstone 1475 and Capstone 1440.
According to the vehicle ethanol gasoline fire foam extinguishing agent, the cosolvent is at least one of ethylene glycol monobutyl ether, diethylene glycol butyl ether, propylene glycol methyl ether and propylene glycol n-propyl ether; the antifreeze is one of glycerol and glycol; the preservative is sodium benzoate.
According to the vehicle ethanol gasoline fire foam extinguishing agent, the total amount of the film forming agent and the film assistant agent is 2-3% (wherein the weight ratio of the film forming agent to the film assistant agent is 1-3:4), the foaming agent is 3-8%, the fluorosurfactant is 2-7%, the cosolvent is 10-15%, the antifreeze agent is 10-15%, the preservative is 0.3-0.5%, and the balance is water.
The preparation method of the ethanol gasoline fire foam extinguishing agent for the vehicle comprises the following steps,
(a) adding the film forming agent and the film aid agent into water according to a proportion, and stirring until the film forming agent and the film aid agent are uniformly mixed;
(b) adding a foaming agent, a fluorine surfactant, a cosolvent, an antifreeze agent and a preservative into water with the temperature of 30-50 ℃ and uniformly stirring;
(c) adding the mixed solution obtained in the step (a) into the mixed solution obtained in the step (b), and stirring until the mixed solution is uniformly mixed;
(d) and cooling to room temperature to obtain the foam extinguishing agent for the vehicle ethanol gasoline fire.
The invention has the beneficial effects that:
1. the invention promotes the mutual cross-linking of the film forming agent and the film assistant agent molecules by adding the film assistant agent to form a compact and firm reinforced composite film with high air impermeability, fully isolates the contact of ethanol gasoline steam and oxygen, and simultaneously effectively resists the damage effect of the ethanol gasoline for vehicles on foams.
2. The invention is also suitable for the existing anti-dissolving foam extinguishing agent, and the addition of the film aid agent into the existing anti-dissolving foam extinguishing agent can enhance the strength and toughness of the gel film of the fire extinguishing foam, thereby improving the fire extinguishing capability.
Detailed Description
The invention will be further illustrated by the following examples
Example 1:
in the embodiment, a film forming agent of the ethanol gasoline fire foam extinguishing agent for the vehicle is xanthan gum, an auxiliary film agent is an acrylic acid-maleic anhydride copolymer, a foaming agent is lauramidopropyl betaine, a fluorine surfactant is Capstone 1470, a cosolvent is ethylene glycol monobutyl ether, an antifreeze agent is glycerol, and a preservative is sodium benzoate. The mass percentage of each raw material is 2% of the total mass of the film forming agent and the film assistant agent, wherein the film forming agent: the filming assistant agent is 1:4, the foaming agent is 5%, the fluorinated surfactant is 4%, the cosolvent is 10%, the antifreeze agent is 10%, the preservative is 0.3%, and the balance is water.
The preparation process comprises the following steps: adding 20kg of water into the first stirring kettle, then adding 0.4kg of film forming agent and 1.6kg of film aid agent, and stirring until the mixture is uniformly mixed to obtain a mixed solution of the film forming agent and the film aid agent; adding 48.7kg of water into a second stirring kettle, heating and maintaining the water temperature at 40 ℃, then adding 5kg of lauramidopropyl betaine, 4kg of Capstone 1470, 10kg of ethylene glycol monobutyl ether, 10kg of glycerol and 0.3kg of sodium benzoate, and uniformly stirring; finally pouring the mixed solution of the film forming agent and the film aid agent obtained in the first kettle into a second kettle and stirring until the mixed solution is uniformly mixed; and then cooling to room temperature to obtain the foam extinguishing agent for the vehicle ethanol gasoline fire.
The mixing ratio of the obtained product when in use is 3 percent.
Example 2:
in the embodiment, the film forming agent of the ethanol gasoline fire foam extinguishing agent for the vehicle is xanthan gum, the film assisting agent is acrylic acid-acrylate copolymer, the foaming agent is sodium laureth sulfate, the fluorine surfactant is Forafac 1203G, the cosolvent is diethylene glycol monobutyl ether, the antifreeze agent is glycerol, and the preservative is sodium benzoate. The film forming agent and the film aid agent are 2.5 percent of each raw material by mass percent, wherein the film forming agent: the filming assistant agent is 1:4, the foaming agent is 5%, the fluorinated surfactant is 7%, the cosolvent is 15%, the antifreeze agent is 10%, the preservative is 0.3%, and the balance is water.
The preparation process comprises the following steps: adding 20kg of water into the first stirring kettle, then adding 0.5kg of film forming agent and 2.0kg of film aid agent, and stirring until the mixture is uniformly mixed to obtain a mixed solution of the film forming agent and the film aid agent; adding 40.2kg of water into the second stirring kettle, heating and maintaining the water temperature at 40 ℃, then adding 5kg of sodium laureth sulfate, 7kg of Forafac 1203G, 15kg of diethylene glycol monobutyl ether, 10kg of glycerol and 0.3kg of sodium benzoate, and uniformly stirring; finally pouring the mixed solution of the film forming agent and the film aid agent obtained in the first kettle into a second kettle and stirring until the mixed solution is uniformly mixed; and then cooling to room temperature to obtain the foam extinguishing agent for the vehicle ethanol gasoline fire.
The mixing ratio of the obtained product when in use is 3 percent.
Example 3:
in the embodiment, the film forming agent of the ethanol gasoline fire foam extinguishing agent for the vehicle is xanthan gum, the film assisting agent is an acrylic acid-acrylate copolymer, the foaming agent is alkyl glycoside, the fluorine surfactant is Capstone 1475, the cosolvent is propylene glycol methyl ether, the antifreeze agent is ethylene glycol, and the preservative is sodium benzoate. The film forming agent and the film aid agent are 3% of each raw material in percentage by mass, wherein the film forming agent: the filming assistant agent is 1:2, the foaming agent is 8%, the fluorinated surfactant is 7%, the cosolvent is 12%, the antifreeze agent is 15%, the preservative is 0.5%, and the balance is water.
The preparation process comprises the following steps: adding 20kg of water into a first stirring kettle, then adding 1kg of film forming agent and 2kg of film aid agent, and uniformly stirring and mixing to obtain a mixed solution of the film forming agent and the film aid agent; adding 44.5kg of water into the second stirring kettle, heating and maintaining the water temperature at 40 ℃, then adding 8kg of alkyl glycoside, 7kg of Capstone 1475, 12kg of propylene glycol methyl ether, 15kg of ethylene glycol and 0.5kg of sodium benzoate, and uniformly stirring; finally pouring the mixed solution of the film forming agent and the film aid agent obtained in the first kettle into a second kettle and stirring until the mixed solution is uniformly mixed; and then cooling to room temperature to obtain the foam extinguishing agent for the vehicle ethanol gasoline fire.
The mixing ratio of the obtained product when in use is 3 percent.
Example 4:
in the embodiment, a film forming agent of the ethanol gasoline fire foam extinguishing agent for the vehicle is xanthan gum, an auxiliary film agent is an acrylic acid-itaconic acid copolymer, foaming agents are lauramidopropyl betaine and sodium octyl sulfate, a fluorine surfactant is Capstone 1440, a cosolvent is ethylene glycol monobutyl ether and propylene glycol n-propyl ether, an antifreeze agent is glycerol, and a preservative is sodium benzoate. The film forming agent and the film aid agent are 2% of each raw material by mass percent, wherein the film forming agent: 3:4 of film aid agent, 4 percent of foaming agent, 2 percent of fluorinated surfactant, 10 percent of cosolvent, 12 percent of antifreeze agent, 0.4 percent of preservative and the balance of water.
The preparation process comprises the following steps: adding 20kg of water into the first stirring kettle, then adding 0.86kg of film forming agent and 1.14kg of film aid agent, and stirring until the mixture is uniformly mixed to obtain a mixed solution of the film forming agent and the film aid agent; adding 49.6kg of water into a second stirring kettle, heating and maintaining the water temperature at 40 ℃, then adding 3kg of lauramidopropyl betaine, 1kg of sodium octyl sulfate, 2kg of Capstone 1440, 7kg of ethylene glycol monobutyl ether, 3kg of propylene glycol n-propyl ether, 12kg of glycerol and 0.4kg of sodium benzoate, and uniformly stirring; finally pouring the mixed solution of the film forming agent and the film aid agent obtained in the first kettle into a second kettle and stirring until the mixed solution is uniformly mixed; and then cooling to room temperature to obtain the foam extinguishing agent for the vehicle ethanol gasoline fire.
The mixing ratio of the obtained product when in use is 3 percent.
Example 5:
the film forming agent of the ethanol gasoline fire foam extinguishing agent for the vehicle in the embodiment is xanthan gum, the film assisting agent is acrylic acid-maleic anhydride copolymer and acrylic acid-acrylate copolymer, the foaming agent is alkyl glycoside, octyl sodium sulfate and lauryl sodium sulfate, the fluorine surfactant is Forafac 1203G and Capstone 1470, the cosolvent is propylene glycol n-propyl ether, the antifreeze agent is ethylene glycol, and the preservative is sodium benzoate. The film forming agent and the film aid agent are 2.5 percent of each raw material by mass percent, wherein the film forming agent: the filming assistant agent is 1:4, the foaming agent is 5%, the fluorinated surfactant is 2%, the cosolvent is 15%, the antifreeze agent is 12%, the preservative is 0.5%, and the balance is water.
The preparation process comprises the following steps: adding 20kg of water into the first stirring kettle, then adding 0.5kg of film forming agent and 2kg of film aid agent, and stirring until the mixture is uniformly mixed to obtain a mixed solution of the film forming agent and the film aid agent; adding 43kg of water into the second stirring kettle, heating and maintaining the water temperature at 40 ℃, then adding 3kg of alkyl glycoside, 1kg of octyl sodium sulfate, 1kg of lauryl sodium sulfate, 1kg of Forafac 1203G, 1kg of Capstone 1470, 15kg of ethylene glycol monobutyl ether, 12kg of ethylene glycol and 0.5kg of sodium benzoate, and uniformly stirring; finally pouring the mixed solution of the film forming agent and the film aid agent obtained in the first kettle into a second kettle and stirring until the mixed solution is uniformly mixed; and then cooling to room temperature to obtain the foam extinguishing agent for the vehicle ethanol gasoline fire.
The mixing ratio of the obtained product when in use is 3 percent.
The physical and chemical properties of the ethanol gasoline fire foam extinguishing agent for the vehicles of examples 1-5 are detected according to the foam extinguishing agent foam liquid and foam solution performance test method specified in GB15308-2006 foam extinguishing agent Standard, and the data range of the detection result is shown in Table 1:
TABLE 1
According to the test results in the table 1, the fire extinguishing agent meets the detection standard of GB15308-2006 foam extinguishing agent, and the fire extinguishing performance reaches the highest fire extinguishing performance levels IA and ARIA.
Fire extinguishing performances of examples 1-5 and some domestic anti-dissolution foam extinguishing agent products 1-3 are compared with reference to GB15308-2006 foam extinguishing agent standard, and meanwhile, the auxiliary film agent is added into the product 1 for sale to be modified (named as modified product 1 for sale), and a fire extinguishing test is also carried out. In all the tests, the fuel is the ethanol gasoline for the vehicle, the sample state is the foam liquid after temperature treatment, and the test results are shown in table 2.
TABLE 2
| Item | Quality of water | Expansion ratio of foam | 25% time/min for liquid separation | Extinguishing time/min | Burn resistance time/min |
| Example 1 | Seawater, its production and use | 8.1 | 12.5 | 1.5 | 18.5 |
| Example 2 | Seawater, its production and use | 7.8 | 12.0 | 1.8 | 18.3 |
| Example 3 | Seawater, its production and use | 8.0 | 12.6 | 1.7 | 18.6 |
| Example 4 | Seawater, its production and use | 8.8 | 12.5 | 1.4 | 19.0 |
| Example 5 | Seawater, its production and use | 8.6 | 12.7 | 1.6 | 17.9 |
| Product on sale 1 | Seawater, its production and use | 7.2 | 6.5 | 5.6 | 10.3 |
| On-sale product 2 | Seawater, its production and use | 8.3 | 9.8 | 3.5 | 11.5 |
| On-sale product 3 | Seawater, its production and use | 7.0 | 7.9 | 5.0 | 9.9 |
| Modified product on sale 1 | Seawater, its production and use | 7.0 | 11.1 | 2.0 | 15.6 |
According to the experimental results in table 2, the foaming times of the embodiments 1 to 5 are about 8 to 9, and the 25% solution separation time is about 12 to 13min, which shows that the foaming times of the fire extinguishing agent are still kept at a higher level after the addition of the filming aid agent, and the solution separation time is significantly prolonged, which shows that the filming aid agent effectively improves the stability of the fire extinguishing foam, and as a result, when aiming at an ethanol gasoline fire, compared with the case of selling the anti-dissolving foam extinguishing agent 1 to 3, the ethanol gasoline fire foam extinguishing agent for vehicles has the advantages of significantly reduced fire extinguishing time, significantly prolonged burning resistance and better fire extinguishing performance. Meanwhile, after the auxiliary film agent is added into the product 1, the foam stability of the fire extinguishing agent is greatly improved, and the fire extinguishing performance is also obviously improved.
While the methods and techniques of the present invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and/or rearrangements of the methods and techniques described herein may be made to implement the final techniques of the invention without departing from the spirit, scope, or concept of the invention. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope and content of the invention. The invention belongs to the known technology.
Claims (6)
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| CN114832267A (en) * | 2022-04-08 | 2022-08-02 | 江苏优尼科工业消防有限公司 | Antifreezing foam extinguishing agent and preparation method thereof |
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