CN108837368A - A kind of preparation method and application of synthetic foam extinguishing chemical - Google Patents
A kind of preparation method and application of synthetic foam extinguishing chemical Download PDFInfo
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- CN108837368A CN108837368A CN201810553104.3A CN201810553104A CN108837368A CN 108837368 A CN108837368 A CN 108837368A CN 201810553104 A CN201810553104 A CN 201810553104A CN 108837368 A CN108837368 A CN 108837368A
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- extinguishing chemical
- synthetic foam
- foam extinguishing
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- fire
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- 239000006260 foam Substances 0.000 title claims abstract description 150
- 239000000126 substance Substances 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000004094 surface-active agent Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 11
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004088 foaming agent Substances 0.000 claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 15
- JRZJOMJEPLMPRA-UHFFFAOYSA-N 1-nonene Chemical group CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 8
- -1 alkyl glycosides Chemical class 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 8
- 229930182470 glycoside Natural products 0.000 claims description 8
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 8
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 8
- 125000001820 oxy group Chemical group [*:1]O[*:2] 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
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims 2
- 238000001802 infusion Methods 0.000 claims 1
- 239000013535 sea water Substances 0.000 abstract description 20
- 230000008014 freezing Effects 0.000 abstract description 11
- 238000007710 freezing Methods 0.000 abstract description 11
- 238000002156 mixing Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 22
- 238000005187 foaming Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 7
- 238000010257 thawing Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 108010053481 Antifreeze Proteins Proteins 0.000 description 4
- 230000002528 anti-freeze Effects 0.000 description 4
- 230000032798 delamination Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 238000012372 quality testing Methods 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-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
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000007787 solid 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
-
- 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)
- 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 synthetic foam extinguishing chemical.The method that the present invention prepares synthetic foam extinguishing chemical is specific as follows：Ionized water, imidazoline, fluorocarbon surfactant, foaming agent, stabilizer 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 synthetic foam extinguishing chemical.The synthetic foam extinguishing chemical prepared by the present invention, fire resistanttime is long, and foam thermal stability and ability of anti-burning are good；Freezing point is low, is suitable for north cold area and uses；In addition, there is comparatively ideal sea water resistance using good extinguishing effect is equally shown with sea water mixing.Operation of the present invention process is simple, and condition is easily controllable, at low cost, is suitable for large-scale industrial production, can be widely used for putting 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 synthetic foam extinguishing chemical and answer
With.
Background technique
Synthetic foam (S) extinguishing chemical is a kind of mixture for using surfactant and stabilizer for bubble made of base-material
Foam extinguishing agent.The extinguishing mechanism of synthetic foam extinguishing chemical is the foam dilute combustion region that extinguishing chemical generates when fighting a fire
Oxygen content closes comburant surface, makes itself and air exclusion, to reach fire extinguishing purpose.Due to synthetic foam extinguishing chemical surface
The effect of activating agent, the foam of generation have the advantages that surface tension is low, oleophobic property is extremely strong, and can be combined with dry powder, can be under liquid
The mode of injection is saved the fire of oil tank, and fixed fire extinguishing system device and mobile fire extinguishing device are suitable for.Therefore, synthetic foam
Extinguishing chemical is widely used in fighting B class fire (predominantly liquid fire and be fusible solid matter fire), especially as flutterring
Go out the fire in the places such as oil field, oil plant, oil depot, ship, harbour, airport.
However, prior art preparation synthetic foam extinguishing chemical freezing point is high, it is unsuitable for the fire attack of north cold area
Work proposes huge test to the use of synthesis fire foam, while limiting the use scope of synthetic foam extinguishing chemical.
At the same time, the thermal stability of the synthetic foam extinguishing chemical generation foam of existing preparation and ability of anti-burning are bad, and and seawater
When being used in mixed way, the ion in seawater can destroy the foam of existing synthetic foam extinguishing chemical, however coastal area seawater resources are rich
Richness, existing synthetic foam extinguishing chemical are not suitable for the fighting work of coastal area fire, these affect synthetic foam fire extinguishing
The fire-fighting efficiency of agent, will increase fire damage what is more, cause large effect to the public safety of country.In addition, existing system
The complex procedures of standby synthetic foam extinguishing chemical, energy consumption is high, further increases the production cost of extinguishing chemical.
Summary of the invention
It is an object of the invention to overcome defect existing in the prior art, such as：The synthetic foam produced in the prior art
Extinguishing chemical freezing point is higher, and thermal stability and ability of anti-burning are bad, is unsuitable for fire, seawater fire of north cold area etc. and flutters
Work is rescued, production process is complicated, consumes energy the problems such as high, the present invention provides a kind of preparation methods of synthetic foam extinguishing chemical.
Specifically, the present invention adopts the following technical scheme that：
(1) synthetic foam extinguishing chemical is prepared：
Ionized water, imidazoline, fluorocarbon surfactant, foaming agent, stabilizer are added in agitator tank, stirs at normal temperature
Reaction, 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 synthetic foam extinguishing chemical.
In step (1), fluorocarbon surfactant is perfluorinated nonene oxygroup benzene sulfonic acid sodium salt；Foaming agent is alkyl glycosides
APG1012 or APG1214 are one such；Stabilizer is urea；
In step (1), ionized water, imidazoline, fluorocarbon surfactant mass ratio be 50-69：4-6：2-4；Fluorine carbon table
Face activating agent, foaming agent, stabilizer mass ratio be 2-4：15-25：10-15；
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 synthetic foam extinguishing chemical, the synthetic foam extinguishing chemical is for putting out B class
Fire.
Compared with prior art, beneficial effects of the present invention embody as follows：
(1) synthetic foam extinguishing chemical prepared by the present invention, fire resistanttime is long, is 12min, illustrates the thermostabilization for generating foam
Property and ability of anti-burning are preferable；Freezing point is lower, only -16 DEG C, absolutely proves that the synthetic foam extinguishing chemical may be adapted to northern cold
Cryogenic region uses, and has widened the use scope of synthetic foam extinguishing chemical.
(2) the synthetic foam extinguishing chemical of the present embodiment with sea water mixing in use, equally can 5min all stamp out a fire,
Fire resistanttime is similarly 12min, illustrates the synthetic foam extinguishing chemical and sea water mixing using equally showing good fire extinguishing
Effect has comparatively ideal sea water resistance.
(3) synthetic foam extinguishing chemical prepared by the present invention is by measurement, no visible delamination and heterogeneous, is not freezed and is melted
The influence of change illustrates that the synthetic foam extinguishing chemical anti-freeze, thawing are functional；A kind of synthetic foam fire extinguishing provided by the invention
The preparation method of agent, operating process is simple, and condition is easily controllable, at low cost, 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) synthetic foam extinguishing chemical is prepared：
In agitator tank be added ionized water (500kg), imidazoline (60kg), perfluorinated nonene oxygroup benzene sulfonic acid sodium salt (40kg),
Alkyl glycosides APG1012 (250kg), urea (150kg), are stirred to react 2h at normal temperature, obtain reaction solution；
Wherein, imidazoline is surfactant, and toxicity is extremely low, and foaminess is fine, with excellent emulsifiability and good
Good biological degradability；Perfluorinated nonene oxygroup benzene sulfonic acid sodium salt is fluorocarbon surfactant, and with high surface, high heat resistance is steady
It is qualitative, keep the foam to be formed more stable；Alkyl glycosides APG1012 is foaming agent；Urea is stabilizer, forms extinguishing chemical
Foam is stablized, and filming performance is more preferable；
(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 synthetic foam extinguishing chemical.
(4) quality testing：
The synthetic foam extinguishing chemical that step (3) is obtained is made into sample (ionized water, synthesis of 3% synthetic foam extinguishing chemical
The mass ratio of fire foam is 97：3), it is carried out physicochemical property, extinguishing property test, wherein physicochemical property include pH value,
Freezing point etc.；Extinguishing property includes attack time, fire resistanttime, coefficient of foaming, 25% drainage time etc..It is manufactured in the present embodiment
The quality measurements of synthetic foam extinguishing chemical are shown in Table 1.
The characterisitic parameter of the synthetic foam extinguishing chemical 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 synthetic foam extinguishing chemical manufactured in the present embodiment, fire resistanttime are in slow release
For carrying out under bubble mode, pH value, attack time, fire resistanttime meet GB15308-2006《Fire foam》In regulation model
It encloses；And the fire resistanttime of the synthetic foam extinguishing chemical is 12min, is greater than GB15308-2006《Fire foam》In slow apply
Put minimum standard value (10min), illustrate that the ability of anti-burning of the synthetic foam extinguishing chemical of the present embodiment is good, the thermostabilization of foam compared with
It is good.
Due to containing a large amount of zwitterion in seawater, general synthetic foam extinguishing chemical and sea water mixing are in use, sea
The formation of ion meeting foam in water has great destruction, changes the dissolubility of foam, is firing synthetic foam extinguishing chemical
Object surface is difficult to form moisture film, and then influences the fighting work of coastal area fire.However, stamping out a fire with mixing of fresh water use
Effect compare, the synthetic foam extinguishing chemical of the present embodiment with sea water mixing in use, equally can 5min all stamp out a fire,
Fire resistanttime is similarly 12min, illustrates the synthetic foam extinguishing chemical and sea water mixing using equally showing good fire extinguishing
Effect has comparatively ideal sea water resistance.
The freezing point of the synthetic foam extinguishing chemical of the present embodiment is -16 DEG C, illustrates that the synthetic foam extinguishing chemical can be adapted to
North cold area uses, and has widened the use scope of synthetic foam extinguishing chemical.
The coefficient of foaming (before Temperature Treatment) of the synthetic foam extinguishing chemical, 25% drainage time (before Temperature Treatment) are respectively
8.1,5.0min, big with the characteristic value of offer, coefficient of foaming (before Temperature Treatment) is 8.1, illustrates that the synthetic foam is put out a fire
Agent belongs to low-expansion foam liquid (coefficient of foaming is 1~20)；25% drainage time (before Temperature Treatment) illustrates to synthesize up to 5.0min
The foam stability of fire foam is good.
In addition, synthetic foam extinguishing chemical manufactured in the present embodiment is by measurement, no visible delamination and heterogeneous is not freezed
With the influence of thawing, illustrate that the synthetic foam extinguishing chemical anti-freeze, thawing are functional.
Embodiment 2：
(1) synthetic foam extinguishing chemical is prepared：
In agitator tank be added ionized water (690kg), imidazoline (40kg), perfluorinated nonene oxygroup benzene sulfonic acid sodium salt (20kg),
Alkyl glycosides APG1214 (150kg), urea (100kg), are stirred to react 1h at normal temperature, obtain reaction solution；
Wherein, imidazoline is surfactant, and toxicity is extremely low, and foaminess is fine, with excellent emulsifiability and good
Good biological degradability；Perfluorinated nonene oxygroup benzene sulfonic acid sodium salt is fluorocarbon surfactant, and with high surface, high heat resistance is steady
It is qualitative, keep the foam to be formed more stable；Alkyl glycosides APG1214 is foaming agent；Urea is stabilizer, forms extinguishing chemical
Foam is stablized, and filming performance is more preferable；
(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 synthetic foam extinguishing chemical.
(4) quality testing：
The synthetic foam extinguishing chemical that step (3) is obtained is made into sample (ionized water, synthesis of 6% synthetic foam extinguishing chemical
The mass ratio of fire foam is 94：6), it is carried out physicochemical property, extinguishing property test, wherein physicochemical property include pH value,
Freezing point etc.；Extinguishing property includes attack time, fire resistanttime, coefficient of foaming, 25% drainage time etc..It is manufactured in the present embodiment
The quality measurements of synthetic foam extinguishing chemical are shown in Table 2.
The characterisitic parameter of the synthetic foam extinguishing chemical 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 synthetic foam extinguishing chemical manufactured in the present embodiment, fire resistanttime are in slow release
For carrying out under bubble mode, pH value, attack time, fire resistanttime meet GB15308-2006《Fire foam》In regulation model
It encloses；And the fire resistanttime of the synthetic foam extinguishing chemical is 11min, is greater than GB15308-2006《Fire foam》In slow apply
Put minimum standard value (10min), illustrate that the ability of anti-burning of the synthetic foam extinguishing chemical of the present embodiment is good, the thermostabilization of foam compared with
It is good.
Compared with mixing of fresh water uses the effect to stamp out a fire, the synthetic foam extinguishing chemical and sea water mixing of the present embodiment make
Used time, equally can 5min all stamp out a fire, fire resistanttime is similarly 11min, illustrate the synthetic foam extinguishing chemical and sea
Water, which is used in mixed way, equally shows good extinguishing effect, has comparatively ideal sea water resistance.
The freezing point of the synthetic foam extinguishing chemical of the present embodiment is -15 DEG C, illustrates that the synthetic foam extinguishing chemical can be adapted to
North cold area uses, and has widened the use scope of synthetic foam extinguishing chemical.
The coefficient of foaming (before Temperature Treatment) of the synthetic foam extinguishing chemical, 25% drainage time (before Temperature Treatment) are respectively
7.0,5.0min, wherein coefficient of foaming (before Temperature Treatment) is 7.0, illustrates that the synthetic foam extinguishing chemical belongs to low-expansion foam liquid
(coefficient of foaming is 1~20)；25% drainage time (before Temperature Treatment) illustrates the foam of synthetic foam extinguishing chemical up to 5.0min
Stability is good.
In addition, synthetic foam extinguishing chemical manufactured in the present embodiment is by measurement, no visible delamination and heterogeneous is not freezed
With the influence of thawing, illustrate that the synthetic foam extinguishing chemical anti-freeze, thawing are functional.
Embodiment 3：
(1) synthetic foam extinguishing chemical is prepared：
In agitator tank be added ionized water (600kg), imidazoline (50kg), perfluorinated nonene oxygroup benzene sulfonic acid sodium salt (30kg),
Alkyl glycosides APG1012 (200kg), urea (120kg), are stirred to react 1.5h at normal temperature, obtain reaction solution；
Wherein, imidazoline is surfactant, and toxicity is extremely low, and foaminess is fine, with excellent emulsifiability and good
Good biological degradability；Perfluorinated nonene oxygroup benzene sulfonic acid sodium salt is fluorocarbon surfactant, and with high surface, high heat resistance is steady
It is qualitative, keep the foam to be formed more stable；Alkyl glycosides APG1012 is foaming agent；Urea is stabilizer, forms extinguishing chemical
Foam is stablized, and filming performance is more preferable；
(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 synthetic foam extinguishing chemical.
(4) quality testing：
The synthetic foam extinguishing chemical that step (3) is obtained is made into sample (ionized water, synthesis of 6% synthetic foam extinguishing chemical
The mass ratio of fire foam is 94：6), it is carried out physicochemical property, extinguishing property test, wherein physicochemical property include pH value,
Freezing point etc.；Extinguishing property includes attack time, fire resistanttime, coefficient of foaming, 25% drainage time etc..It is manufactured in the present embodiment
The quality measurements of synthetic foam extinguishing chemical are shown in Table 3.
The characterisitic parameter of the synthetic foam extinguishing chemical 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 synthetic foam extinguishing chemical manufactured in the present embodiment, fire resistanttime are in slow release
For carrying out under bubble mode, pH value, attack time, fire resistanttime meet GB15308-2006《Fire foam》In regulation model
It encloses；And the fire resistanttime of the synthetic foam extinguishing chemical is 12min, is greater than GB15308-2006《Fire foam》In slow apply
Put minimum standard value (10min), illustrate that the ability of anti-burning of the synthetic foam extinguishing chemical of the present embodiment is good, the thermostabilization of foam compared with
It is good.
Compared with mixing of fresh water uses the effect to stamp out a fire, the synthetic foam extinguishing chemical and sea water mixing of the present embodiment make
Used time, equally can 5min all stamp out a fire, fire resistanttime is similarly 12min, illustrate the synthetic foam extinguishing chemical and sea
Water, which is used in mixed way, equally shows good extinguishing effect, has comparatively ideal sea water resistance.
The freezing point of the synthetic foam extinguishing chemical of the present embodiment is -16 DEG C, illustrates that the synthetic foam extinguishing chemical can be adapted to
North cold area uses, and has widened the use scope of synthetic foam extinguishing chemical.
The coefficient of foaming (before Temperature Treatment) of the synthetic foam extinguishing chemical, 25% drainage time (before Temperature Treatment) are respectively
7.5,5.0min, wherein coefficient of foaming (before Temperature Treatment) is 7.5, illustrates that the synthetic foam extinguishing chemical belongs to low-expansion foam liquid
(coefficient of foaming is 1~20)；25% drainage time (before Temperature Treatment) illustrates the foam of synthetic foam extinguishing chemical up to 5.0min
Stability is good.
In addition, synthetic foam extinguishing chemical manufactured in the present embodiment is by measurement, no visible delamination and heterogeneous is not freezed
With the influence of thawing, illustrate that the synthetic foam extinguishing chemical anti-freeze, thawing are functional.
The physicochemical property (pH value, freezing point) of synthetic foam extinguishing chemical prepared by the present invention, extinguishing property (attack time,
Fire resistanttime, coefficient of foaming, 25% drainage time) preferably, it is widely used in and puts out B class fire.
Claims (10)
1. a kind of preparation method of synthetic foam extinguishing chemical, which is characterized in that include the following steps：
（1）Prepare synthetic foam extinguishing chemical：
Ionized water, imidazoline, fluorocarbon surfactant, foaming agent, stabilizer are added in agitator tank, stirring is anti-at normal temperature
It answers, 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 synthetic foam extinguishing chemical.
2. the preparation method of synthetic foam extinguishing chemical according to claim 1, which is characterized in that step（1）In, it is described from
Sub- water, imidazoline, fluorocarbon surfactant mass ratio be 50-69：4-6：2-4.
3. the preparation method of synthetic foam extinguishing chemical according to claim 1, which is characterized in that step（1）In, the fluorine
Carbon surface active agent, foaming agent, stabilizer mass ratio be 2-4：15-25：10-15.
4. the preparation method of synthetic foam extinguishing chemical according to claim 1, which is characterized in that step（1）In, the fluorine
Carbon surface active agent is perfluorinated nonene oxygroup benzene sulfonic acid sodium salt.
5. the preparation method of synthetic foam extinguishing chemical according to claim 1, which is characterized in that step（1）In, the hair
Infusion is that alkyl glycosides APG1012 or APG1214 are one such；Stabilizer is urea.
6. the preparation method of synthetic foam extinguishing chemical according to claim 1, which is characterized in that step（1）In, it is described normal
Temperature is stirred to react the time as 1-2h.
7. the preparation method of synthetic foam extinguishing chemical according to claim 1, which is characterized in that step（2）In, the tune
Save 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 synthetic foam extinguishing chemical according to claim 1, which is characterized in that step（2）In, it is described anti-
The pH value of liquid is answered to be adjusted to 7.0-8.5.
9. the preparation method of synthetic foam extinguishing chemical according to claim 1, which is characterized in that step（3）In, it is described quiet
The time for setting processing is 24-48h.
10. the synthetic foam extinguishing chemical of preparation method preparation as described in any one of claims 1-9 is for putting out B class fire
Calamity.
Priority Applications (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156414A (en) * | 2020-09-29 | 2021-01-01 | 赵杰 | High-efficiency instant solid extinguishing agent and preparation method thereof |
| CN114602112A (en) * | 2022-03-21 | 2022-06-10 | 铜仁学院 | Fire extinguishing agent special for extinguishing fire of oil pan 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 |
| CN106492394A (en) * | 2016-10-17 | 2017-03-15 | 张书源 | A kind of extinguishing chemical and preparation method thereof and application |
| 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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| 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 |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112156414A (en) * | 2020-09-29 | 2021-01-01 | 赵杰 | High-efficiency instant solid extinguishing agent and preparation method thereof |
| CN114602112A (en) * | 2022-03-21 | 2022-06-10 | 铜仁学院 | Fire extinguishing agent special for extinguishing fire of oil pan and preparation method thereof |
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