CN108837369A - A kind of preparation method and application of aqueous film-forming foam extinguishing agent - Google Patents
A kind of preparation method and application of aqueous film-forming foam extinguishing agent Download PDFInfo
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- CN108837369A CN108837369A CN201810553105.8A CN201810553105A CN108837369A CN 108837369 A CN108837369 A CN 108837369A CN 201810553105 A CN201810553105 A CN 201810553105A CN 108837369 A CN108837369 A CN 108837369A
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- extinguishing agent
- aqueous film
- forming foam
- foam extinguishing
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- 239000006260 foam Substances 0.000 title claims abstract description 120
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 95
- 239000004094 surface-active agent Substances 0.000 claims abstract description 30
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 11
- 150000002460 imidazoles Chemical class 0.000 claims abstract description 8
- -1 alkyl glycosides Chemical class 0.000 claims abstract description 6
- 229930182470 glycoside Natural products 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 8
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 8
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 8
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000013535 sea water Substances 0.000 abstract description 15
- 230000008014 freezing Effects 0.000 abstract description 10
- 238000007710 freezing Methods 0.000 abstract description 10
- 238000002156 mixing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 18
- 238000005187 foaming Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 7
- 238000010257 thawing Methods 0.000 description 5
- 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 description 4
- 108010053481 Antifreeze Proteins Proteins 0.000 description 4
- 230000002528 anti-freeze Effects 0.000 description 4
- 230000032798 delamination Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229930182478 glucoside Natural products 0.000 description 3
- 150000008131 glucosides Chemical class 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 3
- 238000012372 quality testing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 231100000693 bioaccumulation Toxicity 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 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
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0071—Foams
-
- 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
- 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 belongs to extinguishing chemical preparation technical fields, and in particular to a kind of preparation method and application of aqueous film-forming foam extinguishing agent.The method that the present invention prepares aqueous film-forming foam extinguishing agent is specific as follows：Ionized water, imidazoles woods, fluorocarbon surfactant 1, alkyl glycosides APG0810, fluorocarbon surfactant 2 are added first in agitator tank, is stirred to react at normal temperature；It adjusts the pH value of above-mentioned reaction solution, after natural stewing process, obtains aqueous film-forming foam extinguishing agent.Aqueous film-forming foam extinguishing agent freezing point prepared by the present invention is lower, is suitable for north cold area and uses；In preparation process, using C6Class fluorocarbon surfactant, it is highly-safe, it is environmentally protective, it will not cause damages to environment；With sea water mixing in use, showing good extinguishing effect to fire, there is good sea water resistance.Preparation method provided by the invention, operating process is simple, and condition is easily controllable, is suitable for large-scale industrial production, can be widely applied to put out B class fire.
Description
Technical field
The invention belongs to extinguishing chemical preparation technical fields, and in particular to a kind of preparation method of aqueous film-forming foam extinguishing agent and
Using.
Background technique
With the fast development of modernization industry, the oils field such as all kinds of oil depots, oil plant, gas station as energy safeguard
Irreplaceable important function is played, while the fire attack problem in these places and fire-fighting relevant departments pay close attention to for a long time
Emphasis.It puts out oil fire and mostly uses aqueous film-forming foam (AFFF) extinguishing chemical.Aqueous film-forming foam extinguishing agent is one kind with hydrocarbon
Surfactant is base-material with fluorocarbon surfactant and can go out in the foam that certain hydrocarbon liquids surfaces form water membrane
Fiery agent.At the same time, such fire foam is widely used in putting out comprising liquid fire and is fusible solid matter fire
B class fire inside, such as gasoline, kerosene, crude oil, methanol, ethyl alcohol, pitch, paraffin fire.Therefore, which is flutterring
It rescues and is played an important role in B class fire.
For the fire-fighting principle of aqueous film-forming foam extinguishing agent mainly during fire extinguishing, fire foam can be in comburant
Surface forms water membrane, makes comburant and air exclusion, reduces the oxygen content on its surface, and makes foam rapidly to not yet directly
The regional diffusion being ejected into, thus fire smothering.
However, the fire-fighting efficiency of the aqueous film-forming foam extinguishing agent produced in the prior art is generally relatively low, freezing point is higher, no
It is used suitable for north cold area, this just limits the use scope of aqueous film-forming foam extinguishing agent.In addition, aqueous film-forming foam is put out a fire
Environmental problem caused by agent also increasingly displays, perfluoro octane sulfonate (PFOS), the perfluorooctanoic acid (PFOA) contained
Equal C8Class fluorocarbon surfactant is difficult to degrade in the environment, easily causes bioaccumulation has been put into《Convention of Stockholm》Rule
In fixed persistence organic pollutant list, the harmfulness of ecological environment and human health is received more and more attention.
Summary of the invention
It is an object of the invention to overcome defect existing in the prior art, such as：The MJPZ bubble produced in the prior art
Foam extinguishing agent fire-fighting efficiency is generally relatively low, freezing point is higher, and perfluoro octane sulfonate (PFOS), the perfluor contained in extinguishing chemical is pungent
The C such as sour ammonium (PFOA)8Hydrogen-like carbon surface active agent is difficult to degrade in the environment, easily causes the problems such as bioaccumulation, and the present invention mentions
A kind of preparation method of aqueous film-forming foam extinguishing agent is supplied.
Specifically, the present invention adopts the following technical scheme that：
(1) aqueous film-forming foam extinguishing agent is prepared：
Ionized water, imidazoles woods, fluorocarbon surfactant 1, alkyl glycosides APG0810, fluorocarbon surface are added in agitator tank
Activating agent 2, is stirred to react at normal temperature, obtains reaction solution.
(2) intermediate control：
The pH value for the reaction solution that regulating step (1) obtains, obtains mixed liquor.
(3) it defoams：
The mixed liquor that step (2) is obtained after natural stewing process, obtains aqueous film-forming foam extinguishing agent.
In step (1), ionized water, imidazoles woods, fluorocarbon surfactant 1 mass ratio be 66.5-84：3-8：2-3.5；Fluorine
Carbon surface active agent 1, alkyl glycosides APG0810, fluorocarbon surfactant 2 mass ratio be 2-3.5：10-20：1-2；
In step (1), fluorocarbon surfactant 1 is fluorocarbon surfactant 1470；Fluorocarbon surfactant 2 is fluorine carbon table
Face activating agent 1460；
In step (1), the stirring at normal temperature reaction time is 1-2h；
In step (2), substance used in the pH value for the reaction solution that regulating step (1) obtains be caustic soda or potassium dihydrogen phosphate its
One of；The pH value of reaction solution is adjusted to 7.0-8.5；
In step (3), the time of stewing process is 24-48h.
The present invention also provides a kind of application of aqueous film-forming foam extinguishing agent, the aqueous film-forming foam extinguishing agent is for putting out
B class fire.
Compared with prior art, beneficial effects of the present invention embody as follows：
(1) aqueous film-forming foam extinguishing agent prepared by the present invention, fire resistanttime is long, is 12min, illustrate the thermostabilization of foam compared with
It is good；Freezing point is lower, is -29 DEG C, absolutely proves that the aqueous film-forming foam extinguishing agent may be adapted to north cold area use, widens
The use scope of aqueous film-forming foam extinguishing agent.
(2) for the present invention when preparing aqueous film-forming foam extinguishing agent, the fluorocarbon surfactant 1460,1470 of use is C6
Class fluorocarbon surfactant, and additionally use alkyl glycosides APG0810, above-mentioned substance it is highly-safe, it is environmentally protective, will not
It causes damages to environment, meets current environmentally protective experiment subject under discussion.
(3) aqueous film-forming foam extinguishing agent of the present embodiment and sea water mixing in use, equally can 3min all put out fire
Calamity, fire resistanttime are similarly 12min, illustrate that the aqueous film-forming foam extinguishing agent and sea water mixing are good using equally showing
Extinguishing effect has comparatively ideal sea water resistance.
(4) aqueous film-forming foam extinguishing agent prepared by the present invention is by measurement, no visible delamination and heterogeneous, do not freezed and
The influence of thawing illustrates that the aqueous film-forming foam extinguishing agent anti-freeze, thawing are functional；A kind of MJPZ bubble provided by the invention
The preparation method of foam extinguishing agent, operating process is simple, and condition is easily controllable, is suitable for large-scale industrial production.
Specific embodiment
Below with reference to specific implementation example, the present invention will be further described.
Embodiment 1：
(1) aqueous film-forming foam extinguishing agent is prepared：
Ionized water (755kg), imidazoles woods (50kg), fluorocarbon surfactant 1470 (30kg), alkane are added in agitator tank
Base glucosides APG0810 (150kg), fluorocarbon surfactant 1460 (15kg), are stirred to react 1.5h at normal temperature, are reacted
Liquid.
(2) intermediate control：
The reaction solution that step (1) is obtained adjusts pH value to 8.0 by addition caustic soda or potassium dihydrogen phosphate, is mixed
Liquid；Wherein, if the pH value for the reaction solution that step (1) obtains be greater than 8.0, add potassium dihydrogen phosphate step (1) is obtained it is anti-
Liquid pH value is answered to be adjusted to 8.0；If the pH value for the reaction solution that step (1) obtains less than 8.0, adds caustic soda and obtains step (1)
Reacting liquid pH value be adjusted to 8.0；
(3) it defoams：
The mixed liquor that step (2) is obtained, natural stewing process 36h, obtains aqueous film-forming foam extinguishing agent.
(4) quality testing：
The aqueous film-forming foam extinguishing agent that step (3) is obtained, be made into 1% aqueous film-forming foam extinguishing agent sample (ionized water,
The mass ratio of aqueous film-forming foam extinguishing agent is 99：1) physicochemical property, extinguishing property test, are carried out to it, wherein physicochemical property packet
Include pH value, surface tension, interfacial tension, freezing point etc.；Extinguishing property includes attack time, fire resistanttime, coefficient of foaming, 25%
Drainage time etc..The quality measurements of aqueous film-forming foam extinguishing agent manufactured in the present embodiment are shown in Table 1.
The characterisitic parameter of the aqueous film-forming foam extinguishing agent of 1 embodiment 1 of table preparation
Note：Characteristic value in table 1 refers to physics by the foam solution and foam solution that are provided by procuratorial organ, chemical property value,
Wherein pH value, attack time, fire resistanttime characteristic value be GB15308-2006《Fire foam》In specified value；Detection
When, the evaluation of conclusion meets GB15308-2006《Fire foam》Standard requirements.
As shown in Table 1, the attack time of aqueous film-forming foam extinguishing agent manufactured in the present embodiment, fire resistanttime are discharging by force
For being carried out under bubble mode, pH value, attack time, fire resistanttime meet GB15308-2006《Fire foam》In regulation
Value.
Due to containing a large amount of zwitterion in seawater, used using general aqueous film-forming foam extinguishing agent and sea water mixing
When fighting a fire, the ion in seawater can destroy the film-formation result of foam, change the dissolubility of foam, aqueous film-forming foam is made to put out a fire
Agent is difficult to form moisture film on combustion things surface, and then influences extinguishing chemical and put out effect to seawater fire.However, making with mixing of fresh water
Compared with fighting a fire, the aqueous film-forming foam extinguishing agent of the present embodiment with sea water mixing in use, equally can 3min all flutter
Fire extinguishing calamity, fire resistanttime is similarly 12min, illustrates that the aqueous film-forming foam extinguishing agent and sea water mixing are good using equally showing
Good extinguishing effect has comparatively ideal sea water resistance.
The freezing point of the aqueous film-forming foam extinguishing agent of the present embodiment is -26 DEG C, illustrates that the aqueous film-forming foam extinguishing agent can
It is used suitable for north cold area, has widened the use scope of aqueous film-forming foam extinguishing agent.
When the surface tension of the aqueous film-forming foam extinguishing agent, interfacial tension, coefficient of foaming (before Temperature Treatment), 25% analysis liquid
Between be respectively 15.7mN/m, 2.5mN/m, 7.5,3.9min (before Temperature Treatment), it is consistent with the characteristic value of offer；And it sends out
Steep multiple (before Temperature Treatment) be 7.5, illustrate the aqueous film-forming foam extinguishing agent belong to low-expansion foam liquid (coefficient of foaming be 1~
20)。
In addition, aqueous film-forming foam extinguishing agent manufactured in the present embodiment is by measurement, no visible delamination and heterogeneous is not endured cold
Knot and the influence melted illustrate that the aqueous film-forming foam extinguishing agent anti-freeze, thawing are functional.
Embodiment 2：
(1) aqueous film-forming foam extinguishing agent is prepared：
Ionized water (665kg), imidazoles woods (80kg), fluorocarbon surfactant 1470 (35kg), alkane are added in agitator tank
Base glucosides APG0810 (200kg), fluorocarbon surfactant 1460 (20kg), are stirred to react 2h at normal temperature, obtain reaction solution.
(2) intermediate control：
The reaction solution that step (1) is obtained adjusts pH value to 8.5 by addition caustic soda or potassium dihydrogen phosphate, is mixed
Liquid；Wherein, if the pH value for the reaction solution that step (1) obtains be greater than 8.5, add potassium dihydrogen phosphate step (1) is obtained it is anti-
Liquid pH value is answered to be adjusted to 8.5；If the pH value for the reaction solution that step (1) obtains less than 8.5, adds caustic soda and obtains step (1)
Reacting liquid pH value be adjusted to 8.5；
(3) it defoams：
The mixed liquor that step (2) is obtained, natural stewing process 48h, obtains aqueous film-forming foam extinguishing agent.
(4) quality testing：
The aqueous film-forming foam extinguishing agent that step (3) is obtained, be made into 6% aqueous film-forming foam extinguishing agent sample (ionized water,
The mass ratio of aqueous film-forming foam extinguishing agent is 94：6) physicochemical property, extinguishing property test, are carried out to it, wherein physicochemical property packet
Include pH value, surface tension, interfacial tension, freezing point etc.；Extinguishing property includes attack time, fire resistanttime, coefficient of foaming, 25%
Drainage time etc..The quality measurements of aqueous film-forming foam extinguishing agent manufactured in the present embodiment are shown in Table 2.
The characterisitic parameter of the aqueous film-forming foam extinguishing agent of 2 embodiment 2 of table preparation
Note：Characteristic value in table 2 refers to physics by the foam solution and foam solution that are provided by procuratorial organ, chemical property value,
Wherein pH value, attack time, fire resistanttime characteristic value be GB15308-2006《Fire foam》In specified value；Detection
When, the evaluation of conclusion meets GB15308-2006《Fire foam》Standard requirements.
As shown in Table 2, the attack time of aqueous film-forming foam extinguishing agent manufactured in the present embodiment, fire resistanttime are discharging by force
For being carried out under bubble mode, and pH value, attack time, fire resistanttime meet GB15308-2006《Fire foam》In
Standard requirements.
The freezing point of the aqueous film-forming foam extinguishing agent of the present embodiment is -29 DEG C, absolutely proves the aqueous film-forming foam extinguishing agent
It can be adapted to north cold area use, expand the use scope of aqueous film-forming foam extinguishing agent.
When the surface tension of the aqueous film-forming foam extinguishing agent, interfacial tension, coefficient of foaming (before Temperature Treatment), 25% analysis liquid
Between be respectively 15.6mN/m, 3.9mN/m, 6.9,3.1min (before Temperature Treatment), it is consistent with the characteristic value of offer；And it sends out
Steep multiple (before Temperature Treatment) be 6.9, illustrate the aqueous film-forming foam extinguishing agent belong to low-expansion foam liquid (coefficient of foaming be 1~
20)。
In addition, aqueous film-forming foam extinguishing agent manufactured in the present embodiment is by measurement, no visible delamination and heterogeneous is not endured cold
Knot and the influence melted illustrate that the aqueous film-forming foam extinguishing agent anti-freeze, thawing are functional.
Embodiment 3：
(1) aqueous film-forming foam extinguishing agent is prepared：
Ionized water (840kg), imidazoles woods (30kg), fluorocarbon surfactant 1470 (20kg), alkane are added in agitator tank
Base glucosides APG0810 (100kg), fluorocarbon surfactant 1460 (10kg), are stirred to react 1h at normal temperature, obtain reaction solution.
(2) intermediate control：
The reaction solution that step (1) is obtained adjusts pH value to 7.0 by addition caustic soda or potassium dihydrogen phosphate, is mixed
Liquid；Wherein, if the pH value for the reaction solution that step (1) obtains be greater than 7.0, add potassium dihydrogen phosphate step (1) is obtained it is anti-
Liquid pH value is answered to be adjusted to 7.0；If the pH value for the reaction solution that step (1) obtains less than 7.0, adds caustic soda and obtains step (1)
Reacting liquid pH value be adjusted to 7.0；
(3) it defoams：
The mixed liquor that step (2) is obtained, natural stewing process for 24 hours, obtain aqueous film-forming foam extinguishing agent.
(4) quality testing：
The aqueous film-forming foam extinguishing agent that step (3) is obtained, be made into 3% aqueous film-forming foam extinguishing agent sample (ionized water,
The mass ratio of aqueous film-forming foam extinguishing agent is 97：3) physicochemical property, extinguishing property test, are carried out to it, wherein physicochemical property packet
Include pH value, surface tension, interfacial tension, freezing point etc.；Extinguishing property includes attack time, fire resistanttime, coefficient of foaming, 25%
Drainage time etc..The quality measurements of aqueous film-forming foam extinguishing agent manufactured in the present embodiment are shown in Table 3.
The characterisitic parameter of the aqueous film-forming foam extinguishing agent of 3 embodiment 3 of table preparation
Note：Characteristic value in table 3 refers to physics by the foam solution and foam solution that are provided by procuratorial organ, chemical property value,
Wherein pH value, attack time, fire resistanttime characteristic value be GB15308-2006《Fire foam》In specified value；Detection
When, the evaluation of conclusion meets GB15308-2006《Fire foam》Standard requirements.
As shown in Table 3, the attack time of aqueous film-forming foam extinguishing agent manufactured in the present embodiment, fire resistanttime are discharging by force
For being carried out under bubble mode, pH value, attack time, fire resistanttime meet GB15308-2006《Fire foam》In standard
It is required that；And fire resistanttime is 12min, is greater than GB15308-2006《Fire foam》In minimum standard require (10min),
Illustrate that the ability of anti-burning of the aqueous film-forming foam extinguishing agent of the present embodiment is good, the thermostabilization of foam is preferable.
Compared with putting out fresh water fire, the aqueous film-forming foam extinguishing agent of the present embodiment to seawater fire equally can 3min it is complete
Portion is put out, and fire resistanttime is similarly 12min, illustrates that the aqueous film-forming foam extinguishing agent shows good fire extinguishing to seawater fire
Effect has comparatively ideal sea water resistance.
The freezing point of the aqueous film-forming foam extinguishing agent of the present embodiment is -28 DEG C, illustrates that the aqueous film-forming foam extinguishing agent can
It is used suitable for north cold area, has widened the use scope of aqueous film-forming foam extinguishing agent.
When the surface tension of the aqueous film-forming foam extinguishing agent, interfacial tension, coefficient of foaming (before Temperature Treatment), 25% analysis liquid
Between be respectively 16.2mN/m, 2.7mN/m, 6.7,4.0min (before Temperature Treatment), it is consistent with the characteristic value of offer；And it sends out
Steep multiple (before Temperature Treatment) be 6.7, illustrate the aqueous film-forming foam extinguishing agent belong to low-expansion foam liquid (coefficient of foaming be 1~
20)。
In addition, aqueous film-forming foam extinguishing agent manufactured in the present embodiment is by measurement, no visible delamination and heterogeneous is not endured cold
Knot and the influence melted illustrate that the aqueous film-forming foam extinguishing agent anti-freeze, thawing are functional.
Physicochemical property (pH value, surface tension, interfacial tension, the solidification of aqueous film-forming foam extinguishing agent prepared by the present invention
Point), extinguishing property (attack time, fire resistanttime, coefficient of foaming, 25% drainage time) preferably, be widely used in and put out B class fire
Calamity.
Claims (10)
1. a kind of preparation method of aqueous film-forming foam extinguishing agent, which is characterized in that include the following steps：
（1）Prepare aqueous film-forming foam extinguishing agent：
Ionized water, imidazoles woods, fluorocarbon surfactant 1, alkyl glycosides APG0810, fluoro-carbon surface active are added in agitator tank
Agent 2, is stirred to react at normal temperature, obtains reaction solution；
（2）Centre control：
Regulating step（1）The pH value of obtained reaction solution, obtains mixed liquor；
（3）Defoaming：
By step（2）Obtained mixed liquor after natural stewing process, obtains aqueous film-forming foam extinguishing agent.
2. the preparation method of aqueous film-forming foam extinguishing agent according to claim 1, which is characterized in that step（1）In, it is described
Ionized water, imidazoles woods, fluorocarbon surfactant 1 mass ratio be 66.5-84：3-8：2-3.5.
3. the preparation method of aqueous film-forming foam extinguishing agent according to claim 1, which is characterized in that step（1）In, it is described
Fluorocarbon surfactant 1, alkyl glycosides APG0810, fluorocarbon surfactant 2 mass ratio be 2-3.5：10-20：1-2.
4. the preparation method of aqueous film-forming foam extinguishing agent according to claim 1, which is characterized in that step（1）In, it is described
Fluorocarbon surfactant 1 is fluorocarbon surfactant 1470.
5. the preparation method of aqueous film-forming foam extinguishing agent according to claim 1, which is characterized in that step（1）In, it is described
Fluorocarbon surfactant 2 is fluorocarbon surfactant 1460.
6. the preparation method of aqueous film-forming foam extinguishing agent according to claim 1, which is characterized in that step（1）In, it is described
The stirring at normal temperature reaction time is 1-2h.
7. the preparation method of aqueous film-forming foam extinguishing agent according to claim 1, which is characterized in that step（2）In, it is described
Regulating step（1）Substance used in the pH value of obtained reaction solution is that caustic soda or potassium dihydrogen phosphate are one such.
8. the preparation method of aqueous film-forming foam extinguishing agent according to claim 1, which is characterized in that step（2）In, it is described
The pH value of reaction solution is adjusted to 7.0-8.5.
9. the preparation method of aqueous film-forming foam extinguishing agent according to claim 1, which is characterized in that step（3）In, it is described
The time of stewing process is 24-48h.
10. the aqueous film-forming foam extinguishing agent of preparation method preparation as described in any one of claims 1-9 is for putting out B class fire
Calamity.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112774075A (en) * | 2021-01-22 | 2021-05-11 | 江西省森智科技发展有限公司 | Green environment-friendly water-based extinguishing agent |
| CN115970221A (en) * | 2023-02-16 | 2023-04-18 | 山东泰宇消防科技集团有限公司 | High-performance environment-friendly anti-solubility aqueous film-forming foam extinguishing agent and preparation method thereof |
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| CN1413749A (en) * | 2002-12-04 | 2003-04-30 | 中国石油化工股份有限公司 | Foam extingusher with covering function |
| CN102284171A (en) * | 2011-07-06 | 2011-12-21 | 扬州江亚消防药剂有限公司 | Method for preparing cold-resistant and seawater-resistant aqueous filmforming foam extinguishing agent |
| CN107648787A (en) * | 2017-11-10 | 2018-02-02 | 蚌埠市龙泰消防有限公司 | A kind of enhanced fire foam and preparation method thereof |
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| CN115970221A (en) * | 2023-02-16 | 2023-04-18 | 山东泰宇消防科技集团有限公司 | High-performance environment-friendly anti-solubility aqueous film-forming foam extinguishing agent and preparation method thereof |
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Effective date of registration: 20190530 Address after: 225200 Zhanggang Complementary Industrial Park, Xiannu Town, Jiangdu District, Yangzhou City, Jiangsu Province Applicant after: Jiangsu Blueprint Fire Fighting Equipment Co., Ltd. Address before: 225200 Zhanggang Complementary Industrial Park, Xiannu Town, Jiangdu District, Yangzhou City, Jiangsu Province Applicant before: Pan Yang |
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Application publication date: 20181120 |