CN109499037A - It is a kind of it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and preparation method thereof - Google Patents
It is a kind of it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and preparation method thereof Download PDFInfo
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- CN109499037A CN109499037A CN201811581890.4A CN201811581890A CN109499037A CN 109499037 A CN109499037 A CN 109499037A CN 201811581890 A CN201811581890 A CN 201811581890A CN 109499037 A CN109499037 A CN 109499037A
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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
- A62D1/0071—Foams
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Abstract
The present invention relates to it is a kind of it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and preparation method thereof, belong to extinguishing chemical technical field.Fluorocarbon surfactant, hc-surfactant, modified silicone surfactants, complex microorganism polysaccharide, sodium tartrate, sodium benzoate, silica solution, nanometer Aluminum sol, aluminum hydroxide sol, mixing polyglycereol, sodium nitrate, isopropyl alcohol and water are weighed according to formula rate, obtains extinguishing chemical after processing.B class fire, is also applied for the A class fire such as forest and timber caused by extinguishing chemical of the invention can be put out including alcohol, ester, ether, ketone equal solvent；And it is suitble to transport, storage and use under the conditions of Different climate；Fire-fighting efficiency is high, and the froth bed non-fusibility of formation can be excellent, and ability of anti-burning is excellent, can be stabilized, and greatly reduces the possibility of flame re-ignition；One kind of the invention is low temperature resistant, resists the preparation process of molten, anti-burning type extinguishing chemical simple, and production process is environment friendly and pollution-free, low in cost, suitable industrialized production on a large scale.
Description
Technical field
The present invention relates to it is a kind of it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and preparation method thereof, belong to extinguishing chemical technology neck
Domain.
Background technique
With the development of economic science and technology, improvement of living standard, requirement of the people to the prevention of disaster is also increasingly stringent,
How efficiently to prevent disaster from occurring, the significant requirement that effectively disaster relief becomes sustainable development.
Fire is a kind of unforeseeable, crushing strong disaster.A class and B class fire are most commonly that in fire.Traditional
Dry powder fire extinguishing agent cooling performance is bad, cannot put out smoldering fire, and easy re-ignition leads to bigger loss；Although halon fire agent
Blow-off velocity is fast, but has certain toxicity, there is very big destruction to ozone layer.
Fire foam, which becomes, currently puts out one of such fire most effective way, but there is also in many problems, example
Such as in plateau or cold district, since temperature is lower, lead to fire foam transport, storage and using by largely
Limitation；Since non-fusibility can be bad, for alcohol, ester, ether, ketone isopolarity solvent, the purpose of high-effect fire-extinguishing cannot achieve.In addition,
Scene of fire temperature is high, and there are a large amount of residual flames, foam is easy to collapse, and can not be effectively isolated by combustion things and air, therefore, it is necessary to
Froth bed has excellent ability of anti-burning.
Summary of the invention
The purpose of the present invention is to solve traditional extinguishing chemical cooling performance is poor, it is toxic, not environmentally the problems such as；Foam
Transport, storage and the use of extinguishing chemical suffer from the limitation of cryogenic conditions, and are putting out B class fire caused by polar solvent
When there are non-fusibility can it is poor, ability of anti-burning is poor the problems such as, and provide one kind it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and its preparation
Method.
The purpose of the present invention is what is be achieved through the following technical solutions.
One kind is low temperature resistant, resists molten, anti-burning type extinguishing chemical, divides constituent mass score as follows in formula:
The fluorocarbon surfactant is that anionic, cationic, amphoteric ion type or non-ionic fluorocarbon surface are living
Property agent；
The hc-surfactant is that anionic, cationic, amphoteric ion type or non-ionic hydrocarbon surface are living
Property agent；
The modified silicone surfactants are the preparation method comprises the following steps: be 1:(3~5 according to molar ratio) weigh hydroxypropyl
Sugar and dimethyl silicone polymer；Hydroxypropyl chitosan is added in reaction kettle, thermometer, mechanical agitator, condenser pipe are connected
And device for absorbing tail gas, and acetone is added.Under stirring conditions, 35~55 DEG C are warming up to, is added is dissolved in poly- diformazan thereto
The acetone soln of radical siloxane, 55 DEG C of 4~10h of isothermal reaction terminate, and are filtered, washed, dry to obtain modified organic silicon surface-active
Agent.
It is (0.5~2) that the complex microorganism polysaccharide, which is Acker orchid glue, modified xantham gum and konjac glucomannan according to mass ratio:
(1~5): the mixture that (0.5~2) is compounded.
The modified xantham gum is the preparation method comprises the following steps: under nitrogen atmosphere, dodecyl sodium sulfate is added in reaction kettle, even
Thermometer, mechanical agitator, condenser pipe and device for absorbing tail gas are connected, and water/isopropanol mixed solvent is added, 30~50 DEG C
10~30min of high-speed stirred obtains mixed solvent first；In another set of identical reaction unit, using the water of equivalent as solvent, it is added
Molar ratio is (1~4): the potassium hydroxide and bromohexadecane of (1~5), adds xanthan gum, 60 DEG C of high-speed stirreds 20~
60min obtains mixed solvent second；Mixed solvent first is added to mixed solvent second, 6~12h is reacted under the conditions of 60~90 DEG C
Afterwards, it is filtered, washed, dries to obtain modified xantham gum.
It is a kind of it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and preparation method thereof, the specific steps are as follows:
Step 1: weighing fluorocarbon surfactant, hc-surfactant, the work of modified organic silicon surface according to formula rate
Property agent, complex microorganism polysaccharide, sodium tartrate, sodium benzoate, silica solution, nanometer Aluminum sol, aluminum hydroxide sol, mixing gather sweet
Oil, sodium nitrate, isopropanol, water.
Step 2: the isopropyl alcohol and water weighed in step 1 is added to the container, 5~20min is stirred under room temperature, mixing is equal
Dividing after even according to mass ratio 2:4:1:2:1 is five parts of mixed solvents；
Step 3: five parts of mixed solvents in step 2 are warming up to 70~90 DEG C, respectively correspond and claim in addition step 1
Measured fluorocarbon surfactant, hc-surfactant, modified silicone surfactants, complex microorganism polysaccharide, benzene first
Sour sodium stirs 5~30min, obtains mixture A, mixture B, mixture C, mixture D, mixture E；
Step 4: mixture A, mixture B in step 3 are added in mixture D, it is being connected with thermometer, mechanical stirring
In the reaction kettle of device, condenser and device for absorbing tail gas, 90 DEG C of constant temperature stir 5~20min, are slow added into mixture C, 15~
It is added and finishes in 30min, 90 DEG C of constant temperature stir 5~20min, obtain mixing crude product；
Step 5: mixing crude product obtained in step 4 is cooled to 45~70 DEG C, under agitation, silicon is sequentially added
Mixture E in colloidal sol, nanometer Aluminum sol, aluminum hydroxide sol, mixing polyglycereol, sodium nitrate, sodium tartrate and step 3,
Stirring 5~30min after be cooled to room temperature, filters pressing, obtain it is low temperature resistant, resist molten, anti-burning type extinguishing chemical.
Beneficial effect
1, one kind provided by the invention is low temperature resistant, resists molten, anti-burning type extinguishing chemical, can put out molten including alcohol, ester, ether, ketone etc.
B class fire, is also applied for the A class fire such as forest and timber caused by agent inside；
2, one kind provided by the invention is low temperature resistant, resists molten, anti-burning type extinguishing chemical low temperature resistant, is suitble to transport under the conditions of Different climate
Defeated, storage and use；Fire-fighting efficiency is high, and the froth bed non-fusibility of formation can be excellent, and ability of anti-burning is excellent, can be stabilized, pole
The big possibility for reducing flame re-ignition；
3, one kind provided by the invention is low temperature resistant, resists the preparation process of molten, anti-burning type extinguishing chemical simple, production process environmental protection
It is pollution-free, low in cost, suitable industrialized production on a large scale.
Specific embodiment
Embodiment is provided below in conjunction with experimental result of the present invention with the invention will be further described embodiment 1:
One kind is low temperature resistant, resists molten, anti-burning type extinguishing chemical, is formulated the quality of each component are as follows:
A kind of preparation method that is low temperature resistant, resisting molten, anti-burning type extinguishing chemical, the specific steps are as follows:
Under nitrogen atmosphere, 0.15kg dodecyl sodium sulfate is added in the reaction kettle of 25L, connects thermometer, machine
Tool blender, condenser pipe and device for absorbing tail gas, and it is added 5L water/isopropanol mixed solvent, 40 DEG C of high-speed stirred 20min,
Obtain mixed solvent first；In another set of 25L reaction unit, using the water of equivalent as solvent, the 62g that molar ratio is 1.1:1.7 is added
Potassium hydroxide and 519g bromohexadecane, add 3kg xanthan gum, and 60 DEG C of high-speed stirred 25min obtain mixed solvent second；It will mix
Bonding solvent first is added to mixed solvent second, after reacting 9h under the conditions of 80 DEG C, is filtered, washed, dries to obtain modified xantham gum.
It is that 1:4 weighs hydroxypropyl chitosan 2.4kg and dimethyl silicone polymer 4kg according to molar ratio；By hydroxypropyl
Sugar is added in 50L reaction kettle, connects thermometer, mechanical agitator, condenser pipe and device for absorbing tail gas, and 10L acetone is added.
Under stirring conditions, 45 DEG C are warming up to, the acetone soln that 10L is dissolved in dimethyl silicone polymer, 55 DEG C of constant temperature are added thereto
Reaction 7h terminates, and is filtered, washed, dries to obtain modified silicone surfactants.
It is that 1.2:2.8:1 weighs Acker orchid glue 0.24kg, modified xantham gum 0.56kg and konjac glucomannan respectively according to mass ratio
0.2kg obtains complex microorganism polysaccharide 1kg；
Fluorocarbon surfactant 7kg, hc-surfactant 16kg, the work of modified organic silicon surface are weighed according to formula rate
Property agent 3kg, complex microorganism polysaccharide 1kg, sodium tartrate 2.5kg, sodium benzoate 4.5kg, silica solution 4kg, nanometer Aluminum sol
2kg, aluminum hydroxide sol 2kg, mixing polyglycereol 10kg, sodium nitrate 10kg, isopropanol 25kg, water 13kg.
Load weighted isopropyl alcohol and water is added to the container, 5min is stirred under room temperature, after mixing according to mass ratio 2:
4:1:2:1 points are five parts of mixed solvents；
Above-mentioned five parts of mixed solvents are warming up to 80 DEG C, respectively corresponds and fluorocarbon surfactant, hydrocarbon surface-active is added
Agent, modified silicone surfactants, complex microorganism polysaccharide, sodium benzoate stir 15min, obtain mixture A, mixture
B, mixture C, mixture D, mixture E；
Mixture A, mixture B are added in mixture D, thermometer, mechanical agitator, condenser and tail gas are being connected with
In the 300L reaction kettle of absorption plant, 90 DEG C of constant temperature stir 5min, are slow added into mixture C, are added and finish in 30min, and 90
DEG C constant temperature stirring 15min obtains mixing crude product；
Mixing crude product obtained above is cooled to 60 DEG C, under agitation, it is molten to sequentially add silica solution, nano aluminum
Glue, aluminum hydroxide sol, mixing polyglycereol, sodium nitrate, the mixture E in sodium tartrate and step 3 stir cold after 10min
But to room temperature, filters pressing, obtain it is low temperature resistant, resist molten, anti-burning type extinguishing chemical.
After tested, gained is low temperature resistant, molten, anti-burning type extinguishing chemical freezing point is resisted to be -28 DEG C；Surface tension 16.1mN/m；Hair
Steeping multiple is 7.7 times.With water in mass ratio it is that 6:94 is prepared by extinguishing chemical, fire extinguishing test is carried out to 5L acetone, formation
Froth bed is stablized, attack time 24s, fire resistanttime 20min.
Embodiment 2:
One kind is low temperature resistant, resists molten, anti-burning type extinguishing chemical, is formulated the quality of each component are as follows:
A kind of preparation method that is low temperature resistant, resisting molten, anti-burning type extinguishing chemical, the specific steps are as follows:
Under nitrogen atmosphere, 0.5kg dodecyl sodium sulfate is added in 50L reaction kettle, connects thermometer, machinery stirs
Device, condenser pipe and device for absorbing tail gas are mixed, and 15L water/isopropanol mixed solvent is added, 45 DEG C of high-speed stirred 15min are obtained mixed
Bonding solvent first；In another set of 50L reaction unit, using the water of equivalent as solvent, the 225g hydroxide that molar ratio is 2:1.7 is added
Potassium and 1038g bromohexadecane, add 6kg xanthan gum, and 60 DEG C of high-speed stirred 40min obtain mixed solvent second；By mixed solvent
First is added to mixed solvent second, after reacting 6h under the conditions of 80 DEG C, is filtered, washed, dries to obtain modified xantham gum.
It is that 1:3 weighs hydroxypropyl chitosan 2kg and dimethyl silicone polymer 2.5kg according to molar ratio；By hydroxypropyl
Sugar is added in 50L reaction kettle, connects thermometer, mechanical agitator, condenser pipe and device for absorbing tail gas, and 10L acetone is added.
Under stirring conditions, 45 DEG C are warming up to, the acetone soln that 10L is dissolved in dimethyl silicone polymer, 55 DEG C of constant temperature are added thereto
Reaction 8h terminates, and is filtered, washed, dries to obtain modified silicone surfactants.
It is that 0.8:3:1.2 weighs Acker orchid glue 0.24kg, modified xantham gum 0.9kg and konjac glucomannan respectively according to mass ratio
0.36kg obtains complex microorganism polysaccharide 1.5kg；
Fluorocarbon surfactant 6kg, hc-surfactant 15kg, the work of modified organic silicon surface are weighed according to formula rate
Property agent 3kg, complex microorganism polysaccharide 1.5kg, sodium tartrate 2.5kg, sodium benzoate 2kg, silica solution 4kg, nanometer Aluminum sol
3kg, aluminum hydroxide sol 3kg, mixing polyglycereol 12.5kg, sodium nitrate 12.5kg, isopropanol 20kg, water 15kg.
Load weighted isopropyl alcohol and water is added to the container, 15min is stirred under room temperature, after mixing according to mass ratio 2:
4:1:2:1 points are five parts of mixed solvents；
Above-mentioned five parts of mixed solvents are warming up to 70 DEG C, respectively corresponds and fluorocarbon surfactant, hydrocarbon surface-active is added
Agent, modified silicone surfactants, complex microorganism polysaccharide, sodium benzoate stir 20min, obtain mixture A, mixture
B, mixture C, mixture D, mixture E；
Mixture A, mixture B are added in mixture D, thermometer, mechanical agitator, condenser and tail gas are being connected with
In the 300L reaction kettle of absorption plant, 90 DEG C of constant temperature stir 25min, are slow added into mixture C, are added and finish in 15min, and 90
DEG C constant temperature stirs 10min, obtains mixing crude product；
Mixing crude product obtained above is cooled to 55 DEG C, under agitation, it is molten to sequentially add silica solution, nano aluminum
Glue, aluminum hydroxide sol, mixing polyglycereol, sodium nitrate, the mixture E in sodium tartrate and step 3 stir cold after 20min
But to room temperature, filters pressing, obtain it is low temperature resistant, resist molten, anti-burning type extinguishing chemical.
After tested, gained is low temperature resistant, molten, anti-burning type extinguishing chemical freezing point is resisted to be -25 DEG C；Surface tension 15.6mN/m；Hair
Steeping multiple is 7.5 times.With water in mass ratio it is that 6:94 is prepared by extinguishing chemical, fire extinguishing test is carried out to 5L acetone, formation
Froth bed is stablized, attack time 19s, fire resistanttime 20min.
Above-described specific descriptions have carried out further specifically the purpose of invention, technical scheme and beneficial effects
It is bright, it should be understood that the above is only a specific embodiment of the present invention, the protection model being not intended to limit the present invention
It encloses, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (5)
1. one kind is low temperature resistant, resists molten, anti-burning type extinguishing chemical, it is characterised in that: each component mass fraction is as follows in formula:
。
2. one kind as described in claim 1 is low temperature resistant, resists molten, anti-burning type extinguishing chemical, it is characterised in that: the fluorocarbon surface is living
Property agent be anionic, cationic, amphoteric ion type or non-ionic fluorocarbon surfactant；The hc-surfactant
For anionic, cationic, amphoteric ion type or non-ionic hc-surfactant.
3. one kind as described in claim 1 is low temperature resistant, resists molten, anti-burning type extinguishing chemical, it is characterised in that: the modified organic silicon
Surfactant the preparation method comprises the following steps: the modified silicone surfactants the preparation method comprises the following steps: hydroxypropyl chitosan is dissolved in third
Ketone is warming up to 35~55 DEG C under stirring conditions, and the acetone soln for being dissolved in dimethyl silicone polymer, 55 DEG C of perseverances are then added
4~10h of temperature reaction terminates, and is filtered, washed, dries to obtain modified silicone surfactants；The hydroxypropyl chitosan and poly- two
The molar ratio of methylsiloxane is 1:3~5；The complex microorganism polysaccharide is that Acker orchid glue, modified xantham gum and konjac glucomannan are pressed
The mixture compounded according to 0.5~2:1 of mass ratio~5:0.5~2.
4. one kind as claimed in claim 3 is low temperature resistant, resists molten, anti-burning type extinguishing chemical, it is characterised in that: the modified xantham gum
The preparation method comprises the following steps: under nitrogen atmosphere, dodecyl sodium sulfate is added in reaction kettle, connect thermometer, mechanical agitator,
Condenser pipe and device for absorbing tail gas, and water/isopropanol mixed solvent is added, 30~50 DEG C of 10~30min of high-speed stirred are obtained mixed
Bonding solvent first；In another set of identical reaction unit, using the water of equivalent as solvent, the hydrogen that molar ratio is 1~4:1~5 is added
Potassium oxide and bromohexadecane, add xanthan gum, and 60 DEG C of 20~60min of high-speed stirred obtain mixed solvent second；By mixed solvent
First is added to mixed solvent second, after reacting 6~12h under the conditions of 60~90 DEG C, is filtered, washed, dries to obtain modified xantham gum.
5. preparation as described in claim 1 it is a kind of it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and preparation method thereof, it is characterised in that:
Specific step is as follows:
Step 1: weighing fluorocarbon surfactant, hc-surfactant, modified organic silicon surface-active according to formula rate
Agent, complex microorganism polysaccharide, sodium tartrate, sodium benzoate, silica solution, nanometer Aluminum sol, aluminum hydroxide sol, mixing gather sweet
Oil, sodium nitrate, isopropyl alcohol and water；
Step 2: the isopropyl alcohol and water weighed in step 1 is added to the container, 5~20min is stirred under room temperature, after mixing
It is five parts of mixed solvents according to mass ratio 2:4:1:2:1 points；
Step 3: five parts of mixed solvents in step 2 are warming up to 70~90 DEG C, respectively correspond and weighed in addition step 1
Fluorocarbon surfactant, hc-surfactant, modified silicone surfactants, complex microorganism polysaccharide, sodium benzoate,
5~30min is stirred, mixture A, mixture B, mixture C, mixture D, mixture E are obtained；
Step 4: by step 3 mixture A, mixture B be added mixture D in, be connected with thermometer, mechanical agitator,
In the reaction kettle of condenser and device for absorbing tail gas, 90 DEG C of constant temperature stir 5~20min, are slow added into mixture C, 15~
It is added and finishes in 30min, 90 DEG C of constant temperature stir 5~20min, obtain mixing crude product；
Step 5: mixing crude product obtained in step 4 is cooled to 45~70 DEG C, under agitation, it is molten to sequentially add silicon
Mixture E in glue, nanometer Aluminum sol, aluminum hydroxide sol, mixing polyglycereol, sodium nitrate, sodium tartrate and step 3, is stirred
Be cooled to room temperature after mixing 5~30min, filters pressing, obtain it is low temperature resistant, resist molten, anti-burning type extinguishing chemical.
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| CN201811581890.4A CN109499037A (en) | 2018-12-24 | 2018-12-24 | It is a kind of it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811581890.4A CN109499037A (en) | 2018-12-24 | 2018-12-24 | It is a kind of it is low temperature resistant, resist molten, anti-burning type extinguishing chemical and preparation method thereof |
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2018
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| US6527970B1 (en) * | 1994-08-04 | 2003-03-04 | Verde Environmental, Inc. | Microbiological aqueous film forming foam (AFFF) fire-fighting formulation |
| CN1743031A (en) * | 2005-09-19 | 2006-03-08 | 李汉明 | High-concentration cold-resistant sea-water type water-to-film foam fire extinguishant |
| CN102886114A (en) * | 2012-11-07 | 2013-01-23 | 公安部天津消防研究所 | General A-type foam extinguishing agent easy to degrade |
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Application publication date: 20190322 |