CN111514506A - Preparation method of anti-dissolution type aqueous film-forming foam extinguishing agent - Google Patents
Preparation method of anti-dissolution type aqueous film-forming foam extinguishing agent Download PDFInfo
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- CN111514506A CN111514506A CN201910102813.4A CN201910102813A CN111514506A CN 111514506 A CN111514506 A CN 111514506A CN 201910102813 A CN201910102813 A CN 201910102813A CN 111514506 A CN111514506 A CN 111514506A
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- extinguishing agent
- forming foam
- foam extinguishing
- aqueous film
- type aqueous
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- 239000006260 foam Substances 0.000 title claims abstract description 39
- 238000004090 dissolution Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000004094 surface-active agent Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 32
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 19
- 239000011737 fluorine Substances 0.000 claims abstract description 19
- UGTHTQWIQKEDEH-BQBZGAKWSA-N L-alanyl-L-prolylglycine zwitterion Chemical compound C[C@H](N)C(=O)N1CCC[C@H]1C(=O)NCC(O)=O UGTHTQWIQKEDEH-BQBZGAKWSA-N 0.000 claims abstract description 16
- 239000000230 xanthan gum Substances 0.000 claims abstract description 15
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 15
- 229940082509 xanthan gum Drugs 0.000 claims abstract description 15
- 235000010493 xanthan gum Nutrition 0.000 claims abstract description 15
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000008399 tap water Substances 0.000 claims abstract description 14
- 235000020679 tap water Nutrition 0.000 claims abstract description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 13
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 13
- 239000003899 bactericide agent Substances 0.000 claims abstract description 13
- 239000006172 buffering agent Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 13
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000002585 base Substances 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 7
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 239000000872 buffer Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 150000007942 carboxylates Chemical class 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- WHTXMUJUOQCOQT-UHFFFAOYSA-K F[C+3].P(=O)([O-])([O-])[O-] Chemical compound F[C+3].P(=O)([O-])([O-])[O-] WHTXMUJUOQCOQT-UHFFFAOYSA-K 0.000 claims description 3
- DVPKVHDOMCYAFD-UHFFFAOYSA-H F[C+3].S(=O)(=O)([O-])[O-].S(=O)(=O)([O-])[O-].S(=O)(=O)([O-])[O-].F[C+3] Chemical compound F[C+3].S(=O)(=O)([O-])[O-].S(=O)(=O)([O-])[O-].S(=O)(=O)([O-])[O-].F[C+3] DVPKVHDOMCYAFD-UHFFFAOYSA-H 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 abstract description 4
- 230000008014 freezing Effects 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 description 2
- 235000019800 disodium phosphate Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 2
- 235000019799 monosodium phosphate Nutrition 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 2
- -1 Alkyl glycoside Chemical class 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001647875 Pseudoxanthomonas Species 0.000 description 1
- 241001234610 Rapistrum rugosum Species 0.000 description 1
- 241000589634 Xanthomonas Species 0.000 description 1
- 241000589636 Xanthomonas campestris Species 0.000 description 1
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000007798 antifreeze agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229930182470 glycoside Natural products 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Images
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)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses a preparation method of an anti-dissolution type aqueous film-forming foam extinguishing agent. Purifying tap water to obtain pure water, adding the pure water into a reaction kettle, heating to 60-70 ℃, adding xanthan gum and diethylene glycol butyl ether into the reaction kettle, stirring to dissolve, adding a buffering agent and a bactericide, preserving heat for 2-4h, adding sodium sulfate, APG, diethylene glycol butyl ether and a fluorine surfactant, mixing and stirring for 1-2h, adding an acid-base regulator to regulate the pH value of the solution to 8.0-8.8, and obtaining the anti-dissolving type water film-forming foam extinguishing agent. The preparation method is simple, and the obtained anti-dissolution type aqueous film-forming foam extinguishing agent has good fire extinguishing effect and low freezing point.
Description
Technical Field
The invention relates to a preparation method of an anti-dissolution type aqueous film-forming foam extinguishing agent, belonging to the technical field of extinguishing agents.
Background
The water film-forming foam fire-extinguishing agent is a foam fire-extinguishing agent which uses hydrocarbon surfactant and fluorocarbon surfactant as base material and can form a water film on the surface of some hydrocarbon liquid, and is suitable for extinguishing fire hazard caused by water-soluble liquid fuel.
The water film-forming foam solution takes a fluorocarbon surfactant as a main raw material, and simultaneously comprises assistants such as a hydrocarbon surfactant, a foam stabilizer, an antifreeze agent and the like, by virtue of higher surface activity of the water film-forming foam solution, AFFF can diffuse around along the surface layer of the combustible liquid in the fire extinguishing process, and a layer of water film is formed by liquid separated out from foam to separate the foam and the combustible liquid, and the water film can not only isolate the contact of the fuel surface and oxygen, but also cool the fuel surface; meanwhile, water precipitated from the foam is evaporated into water vapor at high temperature to dilute the combustible liquid.
The anti-soluble water film-forming foam extinguishing agent is divided into two types, namely 3% AFFF/AR and 6% AFFF/AR, according to the mixing ratio after being mixed with the water in volume. The shelf life is 12 years, wherein the effective period of the anti-solubility components is two years, and the anti-solubility components can only be used as a water film-forming fire extinguishing agent after two years. The anti-soluble aqueous film-forming foam extinguishing agent is widely used for extinguishing various types of B-type fires, has the fire extinguishing performance of oil extinguishing substances and petroleum product substances of the aqueous film-forming foam extinguishing agent, and has the fire extinguishing performance of polar solvents and water-soluble substances of alcohol, paint, alcohol, ester, ether, aldehyde, ketone, amine and the like of the anti-soluble foam extinguishing agent. Can simplify and put out the fire of B-type fuel which is unknown or has mixed oil and polar solvent, so it has universal fire-extinguishing property. The method is widely applied to large-scale chemical enterprises, petrochemical enterprises, chemical fiber enterprises, solvent plants, chemical product warehouses, units such as oil fields, oil depots, ships, hangars, automobile depots and the like and places where fuel is easy to leak.
However, the existing anti-dissolution type aqueous film-forming foam extinguishing agent has complex preparation method and high freezing point.
Disclosure of Invention
In view of the above, the invention provides a preparation method of the anti-dissolution type aqueous film-forming foam extinguishing agent, which is simple, and the obtained anti-dissolution type aqueous film-forming foam extinguishing agent has good fire extinguishing effect and low freezing point.
The invention solves the technical problems by the following technical means:
purifying tap water to obtain pure water, adding the pure water into a reaction kettle, heating to 60-70 ℃, adding xanthan gum and diethylene glycol butyl ether into the reaction kettle, stirring for dissolving, adding a buffering agent and a bactericide, keeping the temperature for 2-4h, adding sodium sulfate, APG, diethylene glycol butyl ether and a fluorine surfactant, mixing and stirring for 1-2h, and adding an acid-base regulator to regulate the pH value of the solution to 8.0-8.8, thereby obtaining the anti-dissolution type aqueous film-forming foam extinguishing agent.
Tap water purification is carried out by adopting a semipermeable membrane.
The mass ratio of the added pure water, xanthan gum, diethylene glycol monobutyl ether, buffering agent, bactericide, sodium sulfate, APG and fluorine surfactant is 80-100:0.2-0.5:0.1-0.2:0.1-0.2:0.05-0.1:0.5-1: 0.01-0.05: 0.01-0.02.
The buffer is at least one of phosphate, hydrogen phosphate or dihydrogen phosphate.
The fluorine surfactant is at least one of carboxylate fluorocarbon surfactant, sulfonate fluorocarbon surfactant, phosphate fluorocarbon surfactant or sulfate fluorocarbon surfactant.
The acid-base regulator is sodium hydroxide solution or sulfuric acid solution.
The stirring speed in the preparation process is 300-500 r/min.
Adding acid and alkali regulator, mixing and stirring for 30-60min, heating to 60-70 deg.C, stirring for 30-60min, and cooling to room temperature.
The preparation method is simple, and purification is carried out through tap water, so that the consumption of foam can be effectively prevented, and the prepared product is richer in foam.
Xanthan gum is also called xanthan gum, Xanthomonas polysaccharose, it is a kind of monospore polysaccharose produced by fermentation of pseudoxanthomonas, take carbohydrate as main raw material by the black rot cabbage wild rape Xanthomonas campestris, through the biological engineering technique of aerobic fermentation, cut off 1, 6-glycosidic bond, after opening the branched chain, according to 1, 4-bonding to become a kind of acidic extracellular heteropolysaccharide that the straight chain makes up, it is regarded as the membrane forming agent in this patent.
The diethylene glycol monobutyl ether is a solvent dissolved in water, can effectively dissolve some organic matters, and can also be dissolved in water.
APG is an abbreviation for Alkyl Polyglycoside, i.e. Alkyl glycoside is a new nonionic surfactant with more comprehensive performance, has the characteristics of common nonionic and anionic surfactants, and is generally prepared into 50% and 70% aqueous solutions, and is generally colorless to light yellow viscous liquid or milky white paste (winter). Pure APG is a brown or amber flaky solid that is prone to moisture absorption. APG is generally soluble in water, is more soluble in common organic solvents, and has excellent compatibility, stability and surface activity in acid and alkaline solutions, especially in active solvents with high inorganic components. APG can be completely biodegraded in nature, and metabolites which are difficult to biodegrade can not be formed, so that new pollution to the environment is avoided. In this patent for surfactants.
The invention has the beneficial effects that: the preparation method is simple, and the obtained anti-dissolution type aqueous film-forming foam extinguishing agent has good fire extinguishing effect and low freezing point.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The invention will be described in detail with reference to fig. 1 and specific examples, and the preparation method of the anti-dissolution type aqueous film-forming foam extinguishing agent of the embodiment includes purifying tap water to obtain pure water, adding the pure water into a reaction kettle, heating to 60-70 ℃, adding xanthan gum and diethylene glycol butyl ether into the reaction kettle, stirring for dissolution, adding a buffer and a bactericide, keeping the temperature for 2-4 hours, adding sodium sulfate, APG, diethylene glycol butyl ether and a fluorine surfactant, mixing and stirring for 1-2 hours, adding an acid-base regulator to regulate the pH value of the solution to 8.0-8.8, and obtaining the anti-dissolution type aqueous film-forming foam extinguishing agent.
Tap water purification is carried out by adopting a semipermeable membrane.
The mass ratio of the added pure water, xanthan gum, diethylene glycol monobutyl ether, buffering agent, bactericide, sodium sulfate, APG and fluorine surfactant is 80-100:0.2-0.5:0.1-0.2:0.1-0.2:0.05-0.1:0.5-1: 0.01-0.05: 0.01-0.02.
The buffer is at least one of phosphate, hydrogen phosphate or dihydrogen phosphate.
The fluorine surfactant is at least one of carboxylate fluorocarbon surfactant, sulfonate fluorocarbon surfactant, phosphate fluorocarbon surfactant or sulfate fluorocarbon surfactant.
The acid-base regulator is sodium hydroxide solution or sulfuric acid solution.
The stirring speed in the preparation process is 300-500 r/min.
Adding acid and alkali regulator, mixing and stirring for 30-60min, heating to 60-70 deg.C, stirring for 30-60min, and cooling to room temperature.
Example 1
Purifying tap water to obtain pure water, adding the pure water into a reaction kettle, heating to 65 ℃, adding xanthan gum and diethylene glycol butyl ether into the reaction kettle, stirring for dissolving, adding a buffering agent and a bactericide, keeping the temperature for 3 hours, adding sodium sulfate, APG, diethylene glycol butyl ether and a fluorine surfactant, mixing and stirring for 1.5 hours, adding an acid-base regulator to regulate the pH value of the solution to be 8.3, and obtaining the anti-dissolution type aqueous film-forming foam extinguishing agent.
Tap water purification is carried out by adopting a semipermeable membrane.
The mass ratio of the added pure water, xanthan gum, diethylene glycol monobutyl ether, buffering agent, bactericide, sodium sulfate, APG and fluorine surfactant is 95:0.3:0.15:0.12:0.06:0.7: 0.03: 0.018.
the buffer is a mixture of sodium phosphate and sodium hydrogen phosphate.
The fluorine surfactant is carboxylate type fluorine-carbon surfactant.
The pH regulator is sulfuric acid solution.
The stirring speed in the preparation process is 400 r/min.
Adding acid and alkali regulator, mixing and stirring for 50min, heating to 65 deg.C, stirring for 40min, and cooling to room temperature.
Example 2
Purifying tap water to obtain pure water, adding the pure water into a reaction kettle, heating to 65 ℃, adding xanthan gum and diethylene glycol butyl ether into the reaction kettle, stirring for dissolving, adding a buffering agent and a bactericide, keeping the temperature for 3.5 hours, adding sodium sulfate, APG, diethylene glycol butyl ether and a fluorine surfactant, mixing and stirring for 1.5 hours, adding an acid-base regulator to regulate the pH value of the solution to be 8.6, and obtaining the anti-dissolution type aqueous film-forming foam extinguishing agent.
Tap water purification is carried out by adopting a semipermeable membrane.
The mass ratio of the added pure water, xanthan gum, diethylene glycol monobutyl ether, buffering agent, bactericide, sodium sulfate, APG and fluorine surfactant is 90:0.4:0.15:0.18:0.06:0.8: 0.015: 0.018.
the buffer is a mixture of sodium hydrogen phosphate and sodium dihydrogen phosphate.
The fluorine surfactant is sulfonate fluorocarbon surfactant.
The pH regulator is sulfuric acid solution.
The stirring speed in the preparation process is 300-500 r/min.
Adding acid and alkali regulator, mixing and stirring for 50min, heating to 65 deg.C, stirring for 35min, and cooling to room temperature.
Example 3
Purifying tap water to obtain pure water, adding the pure water into a reaction kettle, heating to 68 ℃, adding xanthan gum and diethylene glycol butyl ether into the reaction kettle, stirring for dissolving, adding a buffering agent and a bactericide, keeping the temperature for 4 hours, adding sodium sulfate, APG, diethylene glycol butyl ether and a fluorine surfactant, mixing and stirring for 2 hours, adding an acid-base regulator to regulate the pH value of the solution to be 8.3, and obtaining the anti-dissolution type aqueous film-forming foam extinguishing agent.
Tap water purification is carried out by adopting a semipermeable membrane.
The mass ratio of the added pure water, xanthan gum, diethylene glycol monobutyl ether, buffering agent, bactericide, sodium sulfate, APG and fluorine surfactant is 95:0.35:0.15:0.15:0.08:0.8: 0.04: 0.018.
the buffering agent is sodium dihydrogen phosphate.
The fluorine surfactant is phosphate type fluorocarbon surfactant.
The acid-base regulator is sodium hydroxide solution.
The stirring speed in the preparation process is 450 r/min.
Adding acid and alkali regulator, mixing and stirring for 55min, heating to 65 deg.C, stirring for 40min, and cooling to room temperature.
The products obtained in examples 1, 2 and 3 have the following properties:
finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. A preparation method of an anti-dissolution type aqueous film-forming foam extinguishing agent is characterized by purifying tap water to obtain pure water, adding the pure water into a reaction kettle, heating to 60-70 ℃, adding xanthan gum and diethylene glycol butyl ether into the reaction kettle, stirring and dissolving, adding a buffering agent and a bactericide, preserving heat for 2-4 hours, adding sodium sulfate, APG, diethylene glycol butyl ether and a fluorine surfactant, mixing and stirring for 1-2 hours, adding an acid-base regulator to regulate the pH value of a solution to 8.0-8.8, and obtaining the anti-dissolution type aqueous film-forming foam extinguishing agent.
2. The method for preparing the anti-dissolution type aqueous film-forming foam extinguishing agent according to claim 1, wherein the method comprises the following steps: tap water purification is carried out by adopting a semipermeable membrane.
3. The method for preparing the anti-dissolution type aqueous film-forming foam extinguishing agent according to claim 1, wherein the method comprises the following steps: the mass ratio of the added pure water, xanthan gum, diethylene glycol monobutyl ether, buffering agent, bactericide, sodium sulfate, APG and fluorine surfactant is 80-100:0.2-0.5:0.1-0.2:0.1-0.2:0.05-0.1:0.5-1: 0.01-0.05: 0.01-0.02.
4. The method for preparing the anti-dissolution type aqueous film-forming foam extinguishing agent according to claim 1, wherein the method comprises the following steps: the buffer is at least one of phosphate, hydrogen phosphate or dihydrogen phosphate.
5. The method for preparing the anti-dissolution type aqueous film-forming foam extinguishing agent according to claim 1, wherein the method comprises the following steps: the fluorine surfactant is at least one of carboxylate fluorocarbon surfactant, sulfonate fluorocarbon surfactant, phosphate fluorocarbon surfactant or sulfate fluorocarbon surfactant.
6. The method for preparing the anti-dissolution type aqueous film-forming foam extinguishing agent according to claim 1, wherein the method comprises the following steps: the acid-base regulator is sodium hydroxide solution or sulfuric acid solution.
7. The method for preparing the anti-dissolution type aqueous film-forming foam extinguishing agent according to claim 1, wherein the method comprises the following steps: the stirring speed in the preparation process is 300-500 r/min.
8. The method for preparing the anti-dissolution type aqueous film-forming foam extinguishing agent according to claim 1, wherein the method comprises the following steps: adding acid and alkali regulator, mixing and stirring for 30-60min, heating to 60-70 deg.C, stirring for 30-60min, and cooling to room temperature.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075793A (en) * | 2016-06-22 | 2016-11-09 | 上海汇友精密化学品有限公司 | A kind of preparation method of anti-freezing type aqueous film-forming foam extinguishing agent |
| CN108553790A (en) * | 2018-06-01 | 2018-09-21 | 潘洋 | A kind of preparation method of water-resistant foam extinguishing chemical |
| CN108837366A (en) * | 2018-06-01 | 2018-11-20 | 潘洋 | A kind of preparation method of non-fusibility aqueous film-forming foam extinguishing agent |
| CN108853862A (en) * | 2018-06-20 | 2018-11-23 | 浙江巨化技术中心有限公司 | A kind of environment-friendly type aqueous film-forming foam extinguishing agent and preparation method thereof |
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2019
- 2019-02-01 CN CN201910102813.4A patent/CN111514506A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075793A (en) * | 2016-06-22 | 2016-11-09 | 上海汇友精密化学品有限公司 | A kind of preparation method of anti-freezing type aqueous film-forming foam extinguishing agent |
| CN108553790A (en) * | 2018-06-01 | 2018-09-21 | 潘洋 | A kind of preparation method of water-resistant foam extinguishing chemical |
| CN108837366A (en) * | 2018-06-01 | 2018-11-20 | 潘洋 | A kind of preparation method of non-fusibility aqueous film-forming foam extinguishing agent |
| CN108853862A (en) * | 2018-06-20 | 2018-11-23 | 浙江巨化技术中心有限公司 | A kind of environment-friendly type aqueous film-forming foam extinguishing agent and preparation method thereof |
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Application publication date: 20200811 |