CN113521636A - Super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent - Google Patents
Super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent Download PDFInfo
- Publication number
- CN113521636A CN113521636A CN202110815332.5A CN202110815332A CN113521636A CN 113521636 A CN113521636 A CN 113521636A CN 202110815332 A CN202110815332 A CN 202110815332A CN 113521636 A CN113521636 A CN 113521636A
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- Prior art keywords
- extinguishing agent
- percent
- cold
- surfactant
- aqueous film
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- 239000006260 foam Substances 0.000 title claims abstract description 53
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 47
- 239000004094 surface-active agent Substances 0.000 claims abstract description 42
- 239000006184 cosolvent Substances 0.000 claims abstract description 19
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 17
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 17
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 17
- 239000007798 antifreeze agent Substances 0.000 claims abstract description 16
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- -1 alkyl glycoside Chemical class 0.000 claims abstract description 11
- 229930182470 glycoside Natural products 0.000 claims abstract description 11
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 11
- 125000001153 fluoro group Chemical group F* 0.000 claims description 9
- 239000004202 carbamide Substances 0.000 claims description 8
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 claims description 8
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical group O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- YFSUTJLHUFNCNZ-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YFSUTJLHUFNCNZ-UHFFFAOYSA-M 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000002528 anti-freeze Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- JNURPZYKCOQGOX-UHFFFAOYSA-N C(CCCCCCC)(=O)O.[F] Chemical compound C(CCCCCCC)(=O)O.[F] JNURPZYKCOQGOX-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000126 substance Substances 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
- A62D1/0071—Foams
- A62D1/0085—Foams containing perfluoroalkyl-terminated surfactant
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 the technical field of fire extinguishing agents, in particular to a super-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent, which solves the problem that the foam extinguishing agent in the prior art is very difficult to use and store in an extremely cold environment. The super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent mainly comprises the following components in percentage by mass: 2 to 16 percent of fluorocarbon surfactant, 10 to 30 percent of hydrocarbon surfactant, 1.5 to 10 percent of cosolvent, 5 to 20 percent of antifreeze agent and water which is 100 percent of the components by mass percent. According to the invention, the nonionic surfactant alkyl glycoside is selected as the hydrocarbon surfactant, can prolong the liquid separation time, is mild to a human body, can be biologically degraded, and greatly improves the environmental protection property of the foam extinguishing agent; the cold resistance of the foam extinguishing agent is greatly improved by combining the cosolvent and the antifreeze agent, so that the ultra-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent is realized.
Description
Technical Field
The invention relates to the technical field of fire extinguishing agents, in particular to an ultra-cold-resistant environment-friendly aqueous film-forming foam fire extinguishing agent.
Background
The foam extinguishing agent is used as a fire extinguishing agent for extinguishing oil type fire preferentially at home and abroad, and plays a vital role in ensuring the safety of lives and properties of people. However, in recent years, with the increasing prominence of environmental protection, environmental protection and environmental improvement are more and more important from abroad to domestic and from country to place.
In the using process of using and storing the foam extinguishing agent, the contained chemicals pose potential risks to the environment. Meanwhile, under the extreme condition in the northeast region, the daily storage of the conventional foam extinguishing agent becomes a difficult problem.
Therefore, an ultra-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent is provided to solve the problems by providing an environment-friendly cold-resistant foam extinguishing agent which is easy to degrade and can generate efficiency under extreme cold conditions.
Disclosure of Invention
The invention aims to provide an ultra-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent, which solves the problem that the foam extinguishing agent in the prior art is very difficult to use and store in an extremely cold environment. The mixing ratio of the foam to water is 3% or 6% (i.e. the volume ratio of foam to water is 3: 97 or 6: 94) when used. Is suitable for fresh water and seawater.
In order to achieve the purpose, the invention adopts the following technical scheme:
the super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent mainly comprises the following components in percentage by mass: 2 to 16 percent of fluorocarbon surfactant, 10 to 30 percent of hydrocarbon surfactant, 1.5 to 10 percent of cosolvent, 5 to 20 percent of antifreeze agent and water which is 100 percent of the components by mass percent.
Preferably, the paint mainly comprises the following components in percentage by mass: 10-20% of fluorocarbon surfactant, 5-25% of hydrocarbon surfactant, 8-15% of cosolvent, 15-30% of antifreeze agent and water accounting for 100% of the mass percent of the components.
Preferably, the fluorocarbon surfactant is amphoteric fluoro surfactant F1470 developed based on C6 short chain technology, and does not contain perfluorooctane sulfonate developed as C8 long chain.
Preferably, the hydrocarbon surfactant is a nonionic surfactant alkyl glycoside.
Preferably, the cosolvent is diethylene glycol monobutyl ether.
Preferably, the antifreeze agent is urea.
The invention has at least the following beneficial effects:
1. the fluorocarbon surfactant of amphoteric fluorine surfactant F1470 developed based on C6 short-chain technology is selected, the nonionic surfactant alkyl glycoside is selected as the hydrocarbon surfactant, the nonionic surfactant alkyl glycoside can provide rich, fine and stable foam, the liquid separation time is prolonged, and the foam extinguishing agent is mild and safe to a human body, is nontoxic to the environment and can be biodegraded, so that the environmental protection property of the foam extinguishing agent is greatly improved; the cold resistance of the foam fire extinguishing agent is greatly improved by selecting diethylene glycol monobutyl ether as a cosolvent, urea as an antifreeze agent and combining the cosolvent and the antifreeze agent, so that the ultra-cold-resistant environment-friendly aqueous film-forming foam fire extinguishing agent is realized.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
The super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent mainly comprises the following components in percentage by mass: 2 to 16 percent of fluorocarbon surfactant, 10 to 30 percent of hydrocarbon surfactant, 1.5 to 10 percent of cosolvent, 5 to 20 percent of antifreeze agent and water which is 100 percent of the components in percentage by mass; the fluorocarbon surfactant is amphoteric fluoro surfactant F1470 developed based on C6 short chain technology, and perfluorooctane sulfonate developed with C8 long chain is not contained in the amphoteric fluoro surfactant F1470; the hydrocarbon surfactant is nonionic surfactant alkyl glycoside; the cosolvent is diethylene glycol monobutyl ether; the antifreeze agent is urea;
in this example, amphoteric fluoro surfactant F1470 developed based on C6 short chain technology was selected, and fluorocarbon surfactant of perfluorooctanesulfonate developed with C8 long chain was not included; the fluorine octanoic acid and the salts thereof are not decomposed in the environment, so that the surface tension of the foam extinguishing agent can be reduced, a water film is formed on the oil surface, the water film and the foam layer jointly inhibit the evaporation of fuel oil, the oil is isolated from the air, and the foam rapidly flows to a fire area for fire extinguishing; by selecting the nonionic surfactant alkyl glycoside as the hydrocarbon surfactant, the nonionic surfactant alkyl glycoside can provide rich, fine and stable foam, prolong the liquid separation time, is mild and safe to a human body, is nontoxic to the environment and can be biodegraded, and the environmental protection property of the foam extinguishing agent is greatly improved; the diethylene glycol monobutyl ether is selected as the cosolvent, so that the solubility and the intersolubility of all components of the foam extinguishing agent can be improved, and the stability of foam can be enhanced; the freezing point of the foam extinguishing agent is reduced by selecting urea as an antifreeze, and the combination of the cosolvent and the antifreeze greatly improves the cold resistance of the foam extinguishing agent, so that the ultra-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent is realized.
Example two
The super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent mainly comprises the following components in percentage by mass: 10-20% of fluorocarbon surfactant, 5-25% of hydrocarbon surfactant, 8-15% of cosolvent, 15-30% of antifreeze agent and water which is 100% of the components in percentage by mass; the fluorocarbon surfactant is amphoteric fluoro surfactant F1470 developed based on C6 short chain technology, and perfluorooctane sulfonate developed with C8 long chain is not contained in the amphoteric fluoro surfactant F1470; the hydrocarbon surfactant is nonionic surfactant alkyl glycoside; the cosolvent is diethylene glycol monobutyl ether; the antifreeze agent is urea;
in the embodiment, the proportion of the components among the foam extinguishing agent is optimized through improvement, the content of the cosolvent, the antifreeze and the hydrocarbon surfactant is increased, the high sustainability and the cold resistance of the foam extinguishing agent under the extremely cold condition are improved, and the fire extinguishing efficiency of the foam extinguishing agent is improved.
EXAMPLE III
The super-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent comprises an amphoteric fluoro surfactant F1470 developed based on a C6 short-chain technology, 10% of a fluorocarbon surfactant without perfluorooctane sulfonate developed by a C8 long chain, 25% of a hydrocarbon surfactant of nonionic surfactant alkyl glycoside, 6% of a diethylene glycol monobutyl ether cosolvent, 15% of a urea antifreeze agent and 44% of water;
wherein the data in table 1 were obtained at-40 ℃ with 3% AFFF:
TABLE 1
The data show that the foam extinguishing agent has very stable foaming times, liquid separation time, fire extinguishing time and burning resistance time under the condition of about-40 ℃, and further proves that the super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent can be stably used under the extremely cold condition.
Example four
This example is a comparative example based on the third example
The super-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent comprises an amphoteric fluoro surfactant F1470 developed based on a C6 short-chain technology, 10% of a fluorocarbon surfactant without perfluorooctane sulfonate developed by a C8 long chain, 25% of a hydrocarbon surfactant of nonionic surfactant alkyl glycoside, 6% of a diethylene glycol monobutyl ether cosolvent, 15% of a urea antifreeze agent and 44% of water;
wherein the data in table 2 were obtained at-40 ℃ with 6% AFFF:
| freezing point (. degree.C.) | -35 | -40 | -40 |
| Expansion ratio of foam | 7.8 | 7.7 | 7.5 |
| Time of liquid separation (min) | 3.5 | 3.8 | 4.0 |
| Time of fire extinguishing (min) | 3 | 3 | 2 |
| Burn time (min) | 10 | 11 | 11 |
TABLE 2
Comparing the data with the data of the three examples, it can be shown that the foam extinguishing agent can play a stable fire extinguishing role no matter the content of the foam extinguishing agent is more or less under the condition of about-40 ℃, and the effectiveness of the foam extinguishing agent is proved to be considerable.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent is characterized by mainly comprising the following components in percentage by mass: 2 to 16 percent of fluorocarbon surfactant, 10 to 30 percent of hydrocarbon surfactant, 1.5 to 10 percent of cosolvent, 5 to 20 percent of antifreeze agent and water which is 100 percent of the components by mass percent.
2. The ultra-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent as claimed in claim 1, which is characterized by mainly comprising the following components by mass percent: 10-20% of fluorocarbon surfactant, 5-25% of hydrocarbon surfactant, 8-15% of cosolvent, 15-30% of antifreeze agent and water accounting for 100% of the mass percent of the components.
3. The ultra-cold-resistant environmentally-friendly aqueous film-forming foam fire extinguishing agent as claimed in claim 1, wherein the fluorocarbon surfactant is amphoteric fluoro surfactant F1470 developed based on C6 short chain technology, and contains no perfluorooctane sulfonate developed with C8 long chain.
4. The ultra-cold-resistant environmentally-friendly aqueous film-forming foam fire extinguishing agent according to claim 1, wherein the hydrocarbon surfactant is a nonionic surfactant alkyl glycoside.
5. The ultra-cold-resistant environment-friendly aqueous film-forming foam extinguishing agent as claimed in claim 1, wherein the cosolvent is diethylene glycol monobutyl ether.
6. The ultra-cold-resistant environmentally-friendly aqueous film-forming foam fire extinguishing agent according to claim 1, wherein the antifreeze agent is urea.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815332.5A CN113521636A (en) | 2021-07-19 | 2021-07-19 | Super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815332.5A CN113521636A (en) | 2021-07-19 | 2021-07-19 | Super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent |
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| Publication Number | Publication Date |
|---|---|
| CN113521636A true CN113521636A (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110815332.5A Pending CN113521636A (en) | 2021-07-19 | 2021-07-19 | Super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117442923A (en) * | 2023-10-12 | 2024-01-26 | 中国华能集团清洁能源技术研究院有限公司 | Low-conductivity compressed air foam, preparation method and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6436306B1 (en) * | 1999-01-21 | 2002-08-20 | Ciba Specialty Chemicals Corporation | Perfluoroalkyl-substituted amino acid oligomers or polymers and their use as foam stabilizers in aqueous fire-fighting-foam agents and as oil repellent paper and textile finishes |
| CN104722003A (en) * | 2015-03-27 | 2015-06-24 | 江苏锁龙消防科技股份有限公司 | Cold-resistant aqueous film forming foam extinguishing agent |
| CN112206459A (en) * | 2019-12-28 | 2021-01-12 | 应急管理部消防产品合格评定中心 | PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof |
-
2021
- 2021-07-19 CN CN202110815332.5A patent/CN113521636A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6436306B1 (en) * | 1999-01-21 | 2002-08-20 | Ciba Specialty Chemicals Corporation | Perfluoroalkyl-substituted amino acid oligomers or polymers and their use as foam stabilizers in aqueous fire-fighting-foam agents and as oil repellent paper and textile finishes |
| CN104722003A (en) * | 2015-03-27 | 2015-06-24 | 江苏锁龙消防科技股份有限公司 | Cold-resistant aqueous film forming foam extinguishing agent |
| CN112206459A (en) * | 2019-12-28 | 2021-01-12 | 应急管理部消防产品合格评定中心 | PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 李莉，等: "两性氟碳/碳氢表面活性剂复配体系的润湿性能", 《有机氟工业》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117442923A (en) * | 2023-10-12 | 2024-01-26 | 中国华能集团清洁能源技术研究院有限公司 | Low-conductivity compressed air foam, preparation method and application |
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