CN114796964B - Environment-friendly water-based extinguishing agent and preparation method thereof - Google Patents
Environment-friendly water-based extinguishing agent and preparation method thereof Download PDFInfo
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- CN114796964B CN114796964B CN202210329842.6A CN202210329842A CN114796964B CN 114796964 B CN114796964 B CN 114796964B CN 202210329842 A CN202210329842 A CN 202210329842A CN 114796964 B CN114796964 B CN 114796964B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0028—Liquid extinguishing substances
- A62D1/0035—Aqueous solutions
- A62D1/0042—"Wet" water, i.e. containing surfactant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses an environment-friendly water-based extinguishing agent and a preparation method thereof. The water-based fire extinguishing agent comprises a C6 short-chain fluorocarbon surfactant, a C6 fluorine-containing polymer, a foaming agent, a flame retardant and an organic solvent, wherein the mass ratio of the C6 short-chain fluorocarbon surfactant to the C6 fluorine-containing polymer to the foaming agent in the fire extinguishing agent is (3-10): (3-10): (8-19). In addition, the fire extinguishing agent in the invention also comprises an antifreezing agent. The water-based fire extinguishing agent has the advantages of low surface tension, wide application range, high fire extinguishing speed and good reburning resistance, and has higher fire extinguishing grade. The water-based fire extinguishing agent disclosed by the invention does not contain PFOS and PFOA, is not easy to enrich in the environment, has no pungent smell, can be biodegraded in a hundred percent after being sprayed, and is easy to clean after being extinguished.
Description
Technical Field
The invention belongs to the technical field of fire extinguishing agents, and particularly relates to an environment-friendly water-based fire extinguishing agent and a preparation method thereof.
Background
The fire extinguishing mechanism of the water-based fire extinguishing agent is that liquid is separated out to cool the surface of the combustion object while the liquid flows out on the surface of the combustion object, a layer of water film and a micro-foam layer are formed on the surface of the combustion object to jointly seal the surface of the combustion object, so that air is isolated, a heat insulation barrier is formed, the liquid after absorbing heat is vaporized, the oxygen content in the air above the surface of the combustion object is diluted, and a choking effect is generated on the combustion object, so that the fire extinguishing effect is achieved.
Water-based extinguishing agents are gaining increasing attention to researchers and users because of their high extinguishing efficiency. However, the conventional water-based extinguishing agent has low fire-extinguishing grade and poor anti-afterburning property, and seriously affects the fire-extinguishing effect of the water-based extinguishing agent. In addition, most of the gasoline at present contains a certain amount of polar organic solvents such as methanol or denatured ethanol and the like, so that the gasoline has a certain destructive effect on foam. Therefore, development of a water-based extinguishing agent with high fire-extinguishing grade, wide application range and good reburning resistance is urgently needed.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the prior art described above. Therefore, the invention provides an environment-friendly water-based fire extinguishing agent and a preparation method thereof, wherein the water-based fire extinguishing agent has the advantages of low surface tension, wide application range, high fire extinguishing speed and good re-combustibility resistance, and in addition, the water-based fire extinguishing agent has higher fire extinguishing grade and can extinguish 3A and 89B class fire at 6L. The water-based extinguishing agent disclosed by the invention does not contain perfluorooctyl sulfonic acid (PFOS) and ammonium Perfluorooctanoate (PFOA), is not easy to enrich in the environment, has no pungent smell, can be biodegraded in hundred percent after being sprayed, and is easy to clean after being extinguished.
In a first aspect of the invention, a water-based fire extinguishing agent is provided, the water-based fire extinguishing agent comprising a C6 short-chain fluorocarbon surfactant, a C6 fluoropolymer, a foaming agent, a flame retardant, and an organic solvent.
According to the first aspect of the present invention, in some embodiments of the present invention, the mass part ratio of the C6 short-chain fluorocarbon surfactant, the C6 fluoropolymer and the foaming agent in the fire extinguishing agent is (3-10): (3-10): (8-19).
In some more preferred embodiments of the invention, the C6 short chain fluorocarbon surfactant is a perfluoroalkyl amine oxide.
In some more preferred embodiments of the present invention, the perfluoroalkyl amine oxide is FSC-111.
In some more preferred embodiments of the invention, the perfluoroalkyl amine oxide is purchased from HaisFu chemical Co., inc. of Sanming, inc.
In some more preferred embodiments of the present invention, the ratio of the nonionic surfactant, the anionic surfactant and the zwitterionic surfactant in the foaming agent is (2-4) by mass: (2-5): (6-10).
In some more preferred embodiments of the present invention, the nonionic surfactant comprises one or a combination of alkyl glycoside APG0810 or fatty alcohol-polyoxyethylene ether AEO-9.
In some more preferred embodiments of the present invention, the anionic surfactant comprises one or a combination of sodium octyl sulfate or sodium decyl sulfate, SDS 1030.
In some more preferred embodiments of the present invention, the zwitterionic surfactant comprises one or a combination of sodium N-lauryl-beta-iminodipropionate 160C or cocamidopropyl betaine CAB-35.
In some more preferred embodiments of the invention, the C6 fluoropolymer comprises a perfluoroalkyl polyacrylamide.
In some more preferred embodiments of the present invention, the perfluoroalkyl polyacrylamide is model number YY-1069.
In some more preferred embodiments of the invention, the perfluoroalkyl polyacrylamide is purchased from Shanghai Fengyang chemical Co., ltd.
In some preferred embodiments of the present invention, the fire extinguishing agent comprises 5 to 15% by weight of a fire retardant and 5 to 10% by weight of an organic solvent.
In some more preferred embodiments of the present invention, the flame retardant comprises one of ammonium polyphosphate, ammonium sulfate, diammonium phosphate, or a combination thereof.
In some more preferred embodiments of the present invention, the organic solvent comprises one of dipropylene glycol monomethyl ether, diethylene glycol monobutyl ether, dipropylene glycol monobutyl ether, or a combination thereof.
In some preferred embodiments of the invention, the fire extinguishing agent further comprises an antifreeze.
In some more preferred embodiments of the present invention, the antifreeze agent comprises one of ethylene glycol, propylene glycol, glycerol, urea, or a combination thereof.
In some more preferred embodiments of the present invention, the antifreeze is present in an amount of 5 to 10% by weight.
In some preferred embodiments of the invention, the fire extinguishing agent further comprises water.
The second aspect of the invention provides a preparation method of the water-based fire extinguishing agent according to the first aspect of the invention, which comprises the following specific steps: and stirring and mixing the C6 short-chain fluorocarbon surfactant, the C6 fluorine-containing polymer, the foaming agent, the flame retardant and the organic solvent according to the corresponding weight percentages to obtain the fire extinguishing agent.
In some preferred embodiments of the present invention, an antifreeze is also added to the preparation of the fire extinguishing agent.
In some preferred embodiments of the present invention, water is also added to the preparation of the fire extinguishing agent.
The water-based fire extinguishing agent contains a C6 short-chain fluorocarbon surfactant, a C6 fluorine-containing polymer, a compound foaming agent, a flame retardant and an organic solvent. In the invention, the C6 short-chain fluorocarbon surfactant is preferably perfluoroalkyl amine oxide, the model is FSC-111, and compared with other amphoteric betaine fluorine-containing surfactants, the perfluoroalkyl amine oxide has lower surface tension and higher fire extinguishing speed. In the invention, the C6 fluorine-containing polymer is preferably perfluoroalkyl polyacrylamide, and the viscosity of the foam liquid can be increased through the cooperation between the C6 short-chain fluorocarbon surfactant and the C6 fluorine-containing polymer, so that the foaming multiplying power of the foam is improved, the foam is more stable and compact, the foam stabilizing effect is realized, and the fire extinguishing efficiency of the water-based fire extinguishing agent is further improved. The foaming agent is compounded by alkyl glycoside APG0810, decyl sodium sulfate SDS1030 and N-lauryl-beta-iminodipropionate sodium 160C, and the compounded foaming agent can further reduce the surface tension of foam liquid and improve the fire extinguishing speed of the fire extinguishing agent, so that the fire extinguishing level of the fire extinguishing agent is improved. In addition, the organic solvent used in the invention has higher environmental protection than the traditional organic solvent; the fire retardant in the invention can further improve the fire extinguishing effect of the fire extinguishing agent and improve the reburning resistance of the fire extinguishing agent.
The beneficial effects of the invention are as follows:
the water-based fire extinguishing agent has the advantages of low surface tension, wide application range, high fire extinguishing speed and good reburning resistance, and in addition, the fire extinguishing agent has higher fire extinguishing grade, can extinguish 3A and 89B grade fires by 6L, and is suitable for extinguishing A, B, C, E, F fire disasters; in addition, the water-based fire extinguishing agent disclosed by the invention does not contain PFOS and PFOA, is not easy to enrich in the environment, has no pungent smell, can be biodegraded in hundred percent after being sprayed, and is easy to clean after being extinguished.
Detailed Description
The invention will be further described with reference to specific embodiments, and advantages and features of the invention will become apparent from the description. These examples are merely exemplary and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes and substitutions of details and forms of the technical solution of the present invention may be made without departing from the spirit and scope of the present invention, but these changes and substitutions fall within the scope of the present invention.
TABLE 1 model and purchase sources of materials used in the examples of the present invention
| Material | Purchase source | Model number |
| Perfluoroalkyl amine oxides | SANMING HEXAFLUO CHEMICALS Co.,Ltd. | FSC-111 |
| Perfluoroalkyl polyacrylamides | Shanghai Yuyang chemical Co Ltd | YY-1069 |
| Alkyl glycoside | YANGZHOU CHENHUA NEW MATERIALS Co.,Ltd. | APG0810 |
| Decyl sodium sulfate | Sorvy chemical (Shanghai) Co., ltd | SDS1030 |
| N-lauryl-beta-iminodipropionate sodium salt | Sorvy chemical (Shanghai) Co., ltd | 160C |
Example 1
The aqueous extinguishing agent of example 1 was prepared from 3% of perfluoroalkyl amine oxide FSC-111, 3% of perfluoroalkyl polyacrylamide YY-1069, 2% of alkyl glycoside APG0810, 2% of sodium decyl sulfate SDS1030, 10% of sodium N-lauryl-beta-iminodipropionate 160C, 5% of dipropylene glycol monomethyl ether, 5% of ethylene glycol, 5% of urea, 5% of ammonium polyphosphate and 60% of water by weight.
The method comprises the following specific steps: 60kg of water was added to the stirring tank, and 5kg of ammonium polyphosphate, 5kg of ethylene glycol, 5kg of urea, 5kg of dipropylene glycol monomethyl ether, 2kg of alkyl glycoside APG0810, 2kg of sodium decyl sulfate SDS1030, 10kg of sodium N-lauryl-beta-iminodipropionate 160C, 3kg of perfluoroalkyl polyacrylamide and 3kg of perfluoroalkyl amine oxide were sequentially added under mechanical stirring of 300r/min, and stirred for 30min. Finally, regulating the PH value of the mixture to 7-8 by using sodium hydroxide or citric acid, continuously stirring for 10min, standing for 120min, and then barreling the product.
Example 2
The aqueous extinguishing agent of example 2 was prepared from, by weight, 5% of perfluoroalkylamine oxide FSC-111, 5% of perfluoroalkylpolyacrylamide YY-1069, 3% of alkyl glycoside APG0810, 3% of sodium decyl sulfate SDS1030, 9% of sodium N-lauryl-beta-iminodipropionate 160C, 6% of dipropylene glycol monobutyl ether, 7% of ethylene glycol, 10% of urea, 8% of ammonium polyphosphate and 44% of water.
The method comprises the following specific steps: 44kg of water was added to the stirred tank, and 8kg of ammonium polyphosphate, 7kg of ethylene glycol, 10kg of urea, 6kg of dipropylene glycol monobutyl ether, 3kg of alkyl glycoside APG0810, 3kg of sodium decyl sulfate SDS1030, 9kg of sodium N-lauryl-beta-iminodipropionate 160C, 5kg of perfluoroalkyl polyacrylamide and 5kg of perfluoroalkyl amine oxide were added in this order under mechanical stirring at 300r/min, and stirred for 30min. Finally, regulating the PH value of the mixture to 7-8 by using sodium hydroxide or citric acid, continuously stirring for 10min, standing for defoaming for 20min, and then barrelling the product.
Example 3
The aqueous extinguishing agent of example 3 was prepared from 8% of perfluoroalkyl amine oxide FSC-111, 7% of perfluoroalkyl polyacrylamide YY-1069, 4% of alkyl glycoside APG0810, 5% of sodium decyl sulfate SDS1030, 10% of sodium N-lauryl-beta-iminodipropionate 160C, 10% of dipropylene glycol monomethyl ether, 10% of ethylene glycol, 12% of urea, 5% of ammonium polyphosphate, 5% of ammonium sulfate and 24% of water by weight.
The method comprises the following specific steps: 24kg of water was added to the stirring tank, and 5kg of ammonium polyphosphate, 5kg of ammonium sulfate, 10kg of ethylene glycol, 12kg of urea, 10kg of dipropylene glycol monomethyl ether, 4kg of alkyl glycoside APG0810, 5kg of sodium decyl sulfate SDS1030, 10kg of sodium N-lauryl-beta-iminodipropionate 160C, 7kg of perfluoroalkyl polyacrylamide and 8kg of perfluoroalkyl amine oxide were sequentially added under mechanical stirring at 300r/min, and stirred for 30min. Finally, regulating the PH value of the mixture to 7-8 by using sodium hydroxide or citric acid, continuously stirring for 10min, standing for defoaming for 20min, and then barrelling the product.
Comparative example 1
The aqueous extinguishing agent of comparative example 1 was prepared from 6% by weight of perfluoroalkyl amine oxide FSC-111, 2% by weight of alkyl glycoside APG0810, 2% by weight of sodium decyl sulfate SDS1030, 10% by weight of sodium N-lauryl-beta-iminodipropionate 160C, 5% by weight of dipropylene glycol monomethyl ether, 5% by weight of ethylene glycol, 5% by weight of urea, 5% by weight of ammonium polyphosphate and 60% by weight of water.
The specific procedure is as in example 1.
Comparative example 2
The aqueous extinguishing agent of comparative example 2 was prepared from 6% by weight of perfluoroalkyl polyacrylamide YY-1069, 2% by weight of alkyl glycoside APG0810, 2% by weight of sodium decyl sulfate SDS1030, 10% by weight of sodium N-lauryl- β -iminodipropionate 160C, 5% by weight of dipropylene glycol monomethyl ether, 5% by weight of ethylene glycol, 5% by weight of urea, 5% by weight of ammonium polyphosphate, and 60% by weight of water.
The specific procedure is as in example 1.
Comparative example 3
The aqueous extinguishing agent of comparative example 3 was prepared from 3% of perfluoroalkyl amine oxide FSC-111, 3% of perfluoroalkyl polyacrylamide YY-1069, 4% of sodium decyl sulfate SDS1030, 10% of sodium N-lauryl-beta-iminodipropionate 160C, 5% of dipropylene glycol monomethyl ether, 5% of ethylene glycol, 5% of urea, 5% of ammonium polyphosphate and 60% of water in weight percentage.
The preparation method is the same as in example 1.
Comparative example 4
The aqueous extinguishing agent of comparative example 4 was prepared from 3% of perfluoroalkyl amine oxide FSC-111, 3% of perfluoroalkyl polyacrylamide YY-1069, 4% of alkyl glycoside APG0810, 10% of sodium N-lauryl-beta-iminodipropionate 160C, 5% of dipropylene glycol monomethyl ether, 5% of ethylene glycol, 5% of urea, 5% of ammonium polyphosphate and 60% of water in weight percentage.
The preparation method is the same as in example 1.
Comparative example 5
The aqueous extinguishing agent of comparative example 5 was prepared from 3% of perfluoroalkyl amine oxide FSC-111, 3% of perfluoroalkyl polyacrylamide YY-1069, 7% of alkyl glycoside APG0810, 7% of sodium decyl sulfate SDS1030, 5% of dipropylene glycol monomethyl ether, 5% of ethylene glycol, 5% of urea, 5% of ammonium polyphosphate and 60% of water in weight percent.
The preparation method is the same as in example 1.
The mass ratio of the fire extinguishing agent to water is 3:97, and is prepared into a solution for extinguishing fire. The product of the invention carries out self-inspection according to national standard GB17835-2008 standard of foam fire extinguishing agent, each physical and chemical property and fire extinguishing performance of the solution reach standard requirements, and specific test results are shown in the following table 2:
table 2 results of Performance test of 6L aqueous extinguishing Agents prepared in examples 1 to 3 and comparative examples 1 to 5
As can be seen from Table 2, under the combination of the C6 short-chain fluorocarbon surfactant and the C6 fluorine-containing polymer and the combination of the foaming agent alkyl glycoside APG0810, alkyl glycoside APG0810 and N-lauryl-beta-iminodipropionate sodium 160C, compared with the fire extinguishing agents in comparative examples 1 to 5, the water-based fire extinguishing agent prepared in the embodiment of the invention has lower surface tension, has the advantages of high fire extinguishing speed and high fire extinguishing level for class A fire and class B fire, can achieve 6L fire extinguishing of class 3A and class 89B, and in addition, the water-based fire extinguishing agent in the embodiment of the invention has lower toxicity and is an environment-friendly water-based fire extinguishing agent.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (7)
1. The water-based fire extinguishing agent is characterized by comprising a C6 short-chain fluorocarbon surfactant, a C6 fluorine-containing polymer, a foaming agent, a flame retardant and an organic solvent, wherein the mass ratio of the C6 short-chain fluorocarbon surfactant to the C6 fluorine-containing polymer to the foaming agent in the fire extinguishing agent is (3-10): (3-10): (8-19);
the C6 short-chain fluorocarbon surfactant is perfluoroalkyl amine oxide;
the C6 fluoropolymer comprises a perfluoroalkyl polyacrylamide;
the mass part ratio of the nonionic surfactant, the anionic surfactant and the zwitterionic surfactant in the foaming agent is (2-4): (2-5): (6-10); wherein the nonionic surfactant comprises one or a combination of alkyl glycoside APG0810 or fatty alcohol polyoxyethylene ether AEO-9; the anionic surfactant comprises one or a combination of sodium octyl sulfate or sodium decyl sulfate SDS 1030; the zwitterionic surfactant comprises one or a combination of sodium N-lauryl-beta-iminodipropionate 160C or cocamidopropyl betaine CAB-35.
2. The fire extinguishing agent according to claim 1, wherein the fire extinguishing agent comprises, in weight percent, 5-15% of a fire retardant and 5-10% of an organic solvent.
3. The fire extinguishing agent of claim 1, wherein the flame retardant comprises one or a combination of ammonium polyphosphate, ammonium sulfate, or diammonium phosphate.
4. The fire extinguishing agent of claim 1, wherein the organic solvent comprises one or a combination of dipropylene glycol monomethyl ether, diethylene glycol monobutyl ether, or dipropylene glycol monobutyl ether.
5. The fire extinguishing agent of claim 1, further comprising an antifreeze agent comprising one or a combination of ethylene glycol, propylene glycol, glycerol, or urea.
6. The fire extinguishing agent according to claim 5, wherein the antifreeze is present in an amount of 5 to 10% by weight.
7. The method for producing a fire extinguishing agent according to any one of claims 1 to 6, characterized by comprising the steps of: and (3) stirring and mixing the C6 short-chain fluorocarbon surfactant, the C6 fluorine-containing polymer, the foaming agent, the flame retardant and the organic solvent according to the corresponding weight percentage, regulating the pH value of the mixture to be 7-8, and standing for defoaming for 20-120 min to obtain the fire extinguishing agent.
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| FR2477144A1 (en) * | 1980-02-29 | 1981-09-04 | Ugine Kuhlmann | NOVEL OXIDES OF PERFLUOROALKYL-GROUPED AMINES AND USE THEREOF IN EXTINCT COMPOSITIONS |
| WO1999029373A1 (en) * | 1997-12-10 | 1999-06-17 | Minnesota Mining And Manufacturing Company | Fire-fighting agents containing adsorbable fluorocarbon surfactants |
| KR20160010424A (en) * | 2013-03-15 | 2016-01-27 | 타이코 파이어 앤 시큐리티 게엠베하 | Perfluoroalkyl composition with reduced chain length |
| CN108837367A (en) * | 2018-06-01 | 2018-11-20 | 潘洋 | A kind of preparation method and application of environment-friendly type aqueous film-forming foam extinguishing agent |
| CN110478847B (en) * | 2019-09-29 | 2021-08-13 | 中国科学技术大学 | Environment-friendly aqueous film-forming foam extinguishing agent based on short-chain fluorocarbon |
| CN113398522A (en) * | 2021-06-17 | 2021-09-17 | 海南飞浪消防科技有限公司 | Seawater-resistant environment-friendly aqueous film-forming foam extinguishing agent and preparation method and application thereof |
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