CN108066929A - A kind of combustible liquid fire fire foam and preparation method thereof - Google Patents

A kind of combustible liquid fire fire foam and preparation method thereof Download PDF

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Publication number
CN108066929A
CN108066929A CN201711473759.1A CN201711473759A CN108066929A CN 108066929 A CN108066929 A CN 108066929A CN 201711473759 A CN201711473759 A CN 201711473759A CN 108066929 A CN108066929 A CN 108066929A
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China
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parts
fire
foam
combustible liquid
sodium
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CN201711473759.1A
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Inventor
刘江涛
邢浩杰
程童
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Henan State Tai'an Information Technology Co Ltd
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Henan State Tai'an Information Technology Co Ltd
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Priority to CN201711473759.1A priority Critical patent/CN108066929A/en
Publication of CN108066929A publication Critical patent/CN108066929A/en
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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
    • 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
    • A62D1/06—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of combustible liquid fire fire foams and preparation method thereof, it is made of the raw material of following parts by weight：Foaming agent：Neopelex（LAS）10 12 parts, dodecyl sodium sulfate（SDS）8 10 parts, empgen BB（LAB）6.5 7.5 parts, polyethylene glycol 2000（PEG2000）46 parts；Foam stabilizer：0.4 0.6 parts of xanthans, alkylphenol polyoxyethylene ether（OP‑10）8 10 parts；Fire retardant：12 14 parts of sodium acid carbonate, 22 26 parts of ammonium chloride, 12 14 parts of urea；Antifreeze：50 70 parts of ethylene glycol, 40 50 parts of propylene glycol, 40 50 parts of sodium chloride；Water：750 800 parts.Fire foam in the present invention has broken traditional same sex ion compounding idea, is compounded and is made using anion surfactant and cationic surfactant.

Description

A kind of combustible liquid fire fire foam and preparation method thereof
Technical field
The present invention relates to fire distinguisher technical fields, and in particular to a kind of combustible liquid fire fire foam and its system Preparation Method.
Background technology
More and more stronger to the degree of dependence of the energy with the continuous development of modernization industry, particularly oil is externally interdependent To subsist increasingly big, Large Scale Oil Storage Tank storage area quickly increases, once it catches fire, it is extremely difficult to it controls.
Extinguishing chemical currently used for oil fire of putting out a fire to save life and property mainly has dry powder fire extinguishing agent, fine mist fire-fighting agent, fluoroprotein foam Extinguishing chemical, aqueous film-forming foam extinguishing agent etc..Dry powder fire extinguishing agent extinguishing property is poor, and resume combustion easily occurs；Fine mist fire-fighting agent fire extinguishing speed Degree is very fast, but enclosure space class fire preferably of putting out a fire to save life and property；Fluoroprotein foam extinguishing agent blow-off velocity is fast, but burnback resistance is not By force and there is corrosivity, the shelf-life is short；Aqueous film-forming foam extinguishing agent is current ideal extinguishing chemical, but its burn resistance The requirement of putting out a fire to save life and property for meeting Large Scale Oil Storage Tank fire is still difficult to the anti-defoaming capacity in the high temperature scene of a fire, and it contains in ring The C8 class fluorocarbon surfactants such as the perfluoro octane sulfonate degraded (PFOS) and perfluorooctanoic acid (PFOA) are difficult in border, are had There is potential risk of environmental pollution, European Union has forbidden using.
The content of the invention
The present invention provides a kind of combustible liquid fire fire foams and preparation method thereof, are gone out with solving existing foam Fiery agent there are the problem of.
The purpose of the present invention is what is realized with following technical proposals：
A kind of combustible liquid fire fire foam, it is made of the raw material of following parts by weight：Foaming agent：Detergent alkylate Sodium sulfonate（LAS）10-12 parts, dodecyl sodium sulfate（SDS）8-10 parts, empgen BB（LAB）6.5-7.5 part is gathered Ethylene glycol 2000（PEG2000）4-6 parts；
Foam stabilizer：0.4-0.6 parts of xanthans, alkylphenol polyoxyethylene ether（OP-10）8-10 parts；
Fire retardant：12-14 parts of sodium acid carbonate, 22-26 parts of ammonium chloride, 12-14 parts of urea；
Antifreeze：50-70 parts of ethylene glycol, 40-50 parts of propylene glycol, 40-50 parts of sodium chloride；
Water：750-800 parts.
Preferably, the combustible liquid fire fire foam, it is prepared by the raw material of following parts by weight： Foaming agent：Neopelex（LAS）11 parts, dodecyl sodium sulfate（SDS）9 parts, empgen BB（LAB）7 Part, polyethylene glycol 2000（PEG2000）5 parts；
Foam stabilizer：0.5 part of xanthans, alkylphenol polyoxyethylene ether（OP-10）9 parts；
Fire retardant：13 parts of sodium acid carbonate, 24 parts of ammonium chloride, 13 parts of urea；
Antifreeze：60 parts of ethylene glycol, 45 parts of propylene glycol, 45 parts of sodium chloride；
Water：775 parts.
The preparation method of the combustible liquid fire fire foam includes the following steps：Take ethylene glycol and the third two Alcohol is heated to 36-44 DEG C of holding constant temperature, is slowly added to xanthans, PEG2000 and sodium chloride, and with the speed of 300-500 turns/min Degree stirring is to being completely dissolved；It adds in water and is heated to 36-44 DEG C of holding constant temperature, continue to stir with the speed of 300-500 turns/min, according to Secondary addition LAS, SDS, LAB, OP-10, sodium acid carbonate, ammonium chloride and urea are heated to 36-44 DEG C of holding constant temperature, and continue with The speed stirring of 300-500 turns/min；After reacting 40-80min, stop stirring, 20-28h is stood under room temperature.
Beneficial effects of the present invention are as follows：
1st, the fire foam in the present invention is using anion surfactant LAS and SDS, zwitterionic surfactant LAB, While stability can be greatly improved, the performance of corresponding quaternary ammonium salt also can be also obtained, has broken traditional same sex ion and has answered With idea, compounded and be made using anion surfactant and zwitterionic surfactant.
2nd, the fire foam can effectively change the viscosity of aqueous solution, change the flow resistance of water, increase it in reality Range in the application of border, so as to good rheological property.
3rd, the novel foam extinguishing agent specific heat capacity is big, gasifiable to absorb substantial amounts of heat when temperature is increased to certain value, It prevents temperature from rising rapidly due to heat absorption, there is certain heat chemistry protective effect to gasoline, so as to good pyrolytic Energy.
4th, the novel foam extinguishing agent plays the role of buffer action to gasoline level, reaches fire smothering, and this is new Type fire foam can generate CO in fire extinguishing procedure2, the inert gases such as ammonia, effectively dilute the dense of gasoline surface oxygen Degree, adds fire-fighting efficiency, so as to good extinguishing property.
Specific embodiment
Embodiment 1
A kind of combustible liquid fire fire foam, it is made of the raw material of following parts by weight：Foaming agent：Detergent alkylate Sodium sulfonate（LAS）10-12 parts, dodecyl sodium sulfate（SDS）8-10 parts, empgen BB（LAB）6.5-7.5 part is gathered Ethylene glycol 2000（PEG2000）4-6 parts；
Foam stabilizer：0.4-0.6 parts of xanthans, alkylphenol polyoxyethylene ether（OP-10）8-10 parts；
Fire retardant：12-14 parts of sodium acid carbonate, 22-26 parts of ammonium chloride, 12-14 parts of urea；
Antifreeze：50-70 parts of ethylene glycol, 40-50 parts of propylene glycol, 40-50 parts of sodium chloride；
Water 750-800.
Combustible liquid fire takes ethylene glycol and propylene glycol with the preparation method of fire foam, is heated to 36-44 DEG C of holding Constant temperature, is slowly added to xanthans, PEG2000 and sodium chloride, and turned with 300-500/speed of min stirred to being completely dissolved；Add Enter water and be heated to 36-44 DEG C of holding constant temperature, continue to turn with 300-500/speed of min stirs, add successively LAS, SDS, LAB, OP-10, sodium acid carbonate, ammonium chloride and urea are heated to 36-44 DEG C of holding constant temperature, and continue with the speed of 300-500 turns/min Stirring；After reacting 40-80min, stop stirring, 20-28h is stood under room temperature.
Embodiment 2
Combustible liquid fire fire foam according to claim 1, it is characterised in that：It is by following parts by weight Raw material is prepared：
Foaming agent：Neopelex（LAS）11 parts, dodecyl sodium sulfate（SDS）9 parts, empgen BB （LAB）7 parts, polyethylene glycol 2000（PEG2000）5 parts；
Foam stabilizer：0.5 part of xanthans, alkylphenol polyoxyethylene ether（OP-10）9 parts；
Fire retardant：13 parts of sodium acid carbonate, 24 parts of ammonium chloride, 13 parts of urea；
Antifreeze：60 parts of ethylene glycol, 45 parts of propylene glycol, 45 parts of sodium chloride；
775 parts of water.
Combustible liquid fire takes ethylene glycol and propylene glycol with the preparation method of fire foam, is heated to 40 DEG C and keeps permanent Temperature, is slowly added to xanthans, PEG2000 and sodium chloride, and is stirred with the speed of 400 turns/min to being completely dissolved；Water is added in add Heat continues the speed stirring with 400 turns/min, adds LAS, SDS, LAB, OP-10, bicarbonate successively to 40 DEG C of holding constant temperature Sodium, ammonium chloride and urea are heated to 40 DEG C of holding constant temperature, and continue to be stirred with the speed of 400 turns/min；After reacting 60min, stop It only stirs, is stood for 24 hours under room temperature.
The combustible liquid fire that 3-26 of the embodiment of the present invention is provided is shown in Table 1-4, preparation side with the formula of fire foam Method is the same as embodiment 2.
Table 1
Raw material Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6 Embodiment 7 Embodiment 8
LAS 10 12 11 11 12 10
SDS 10 9 8 9 10 8
LAB 7 6.5 7.5 7 7.5 6.5
PEG2000 5 4 6 5 6 4
Xanthans 0.4 0.6 0.5 0.4 0.5 0.6
OP-10 9 8 10 9 10 8
Sodium acid carbonate 14 13 12 14 12 13
Ammonium chloride 22 24 26 23 24 22
Urea 13 12 14 13 14 12
Ethylene glycol 60 50 70 60 70 50
Propylene glycol 40 45 50 50 45 40
Sodium chloride 40 40 40 45 50 40
Water 800 795 790 785 780 775
Table 2
Raw material Embodiment 9 Embodiment 10 Embodiment 11 Embodiment 12 Embodiment 13 Embodiment 14
LAS 12 11 10 12 10 12
SDS 8 9 10 8 10 9
LAB 7.5 6.5 7 7.5 7 6.5
PEG2000 4 5 6 4 6 5
Xanthans 0.5 0.4 0.6 0.5 0.6 0.4
OP-10 8 9 10 8 10 9
Sodium acid carbonate 13 12 14 13 14 12
Ammonium chloride 26 25 26 22 24 23
Urea 12 14 13 12 13 14
Ethylene glycol 55 70 50 60 70 60
Propylene glycol 40 40 45 50 50 45
Sodium chloride 45 50 50 45 40 45
Water 770 765 760 755 750 750
Table 3
Raw material Embodiment 15 Embodiment 16 Embodiment 17 Embodiment 18 Embodiment 19 Embodiment 20
LAS 11 10 10 12 11 11
SDS 8 10 9 8 10 9
LAB 6.5 7.5 6.5 7 7.5 7
PEG2000 6 5 4 6 4 5
Xanthans 0.6 0.5 0.4 0.6 0.4 0.5
OP-10 10 8 9 10 9 8
Sodium acid carbonate 12 13 14 12 14 13
Ammonium chloride 22 26 24 25 24 22
Urea 14 12 13 14 13 12
Ethylene glycol 50 65 50 70 60 50
Propylene glycol 50 45 40 40 45 50
Sodium chloride 50 40 45 50 45 50
Water 775 800 800 750 775 775
Table 4
Raw material Embodiment 21 Embodiment 22 Embodiment 23 Embodiment 24 Embodiment 25 Embodiment 26
LAS 12 11 11 11 10 10
SDS 9 10 8 9 8 10
LAB 6.5 7 6.5 7.5 7 7.5
PEG2000 4 6 5 5 6 4
Xanthans 0.5 0.6 0.4 0.5 0.6 0.4
OP-10 8 9 10 10 8 9
Sodium acid carbonate 14 12 13 13 14 12
Ammonium chloride 24 25 23 22 24 26
Urea 12 14 13 12 13 14
Ethylene glycol 60 70 55 60 50 70
Propylene glycol 40 45 50 50 45 40
Sodium chloride 45 40 45 40 50 50
Water 770 765 760 795 790 785
Performance test
1st, anti-freeze and thawing performance test
（1）Instrument and equipment
Refrigerating chamber：Temperature requirement as defined in test procedure can be reached；Port grinding bottle (or plastic bottle)：500mL, water white transparency.
（2）Test procedure
10 DEG C of fire foam solidification point prepared by the method a. temperature of refrigerating chamber being adjusted to tract below in embodiment 2.
B. the fire foam injection port grinding bottle (or plastic bottle) prepared by the method in 300mL embodiments 2, cooling make its jelly Knot, and temperature is kept to take out afterwards for 24 hours, it thaws at ambient temperature, places 48h.
C. repeat the above process 3 times, complete to freeze for 4 times and melt cycle.
（3）Result of the test
It completes 4 fire foams for freezing and melting operation and does not occur layering, heterogeneous and deposited phenomenon.
2nd, sediment is tested
（1）Instrument, equipment
Electric centrifuge：2000 ± 100r/min of controllable rotating speed；
Taper scale centrifuge tube：50mL, conical lower portion minimum division value 0.1mL；Sieve：180 μm of aperture；Plastic squeeze bottle.
（2）Test specimen
Fire foam prepared by the method in Example 2 is divided into sample 1 and sample 2, and sample 1 is tested immediately；Sample 2 It is tested after aging, burnin operation step is：Container is full of sample 2, and 242h is kept in 60 DEG C.
（3）Test procedure
Sample 1 and sample 2 are respectively charged into 50ml taper scale centrifuge tubes, two tapers equipped with 50mL fire foams are carved Degree centrifuge tube is symmetrically put into centrifuge, covers lid, 15min is centrifuged under conditions of 2000r/min.Take out centrifuge tube, Record the percentage by volume of sediment.With plastic squeeze bottle by the sample wash in test tube to sieve, observation sediment is in plastics Whether the current of wash bottle disperse to pass through sieve under rinsing.
（4）Result of the test
Result of the test is as shown in table 5.
Table 5
The percent by volume of sediment（%） Can sediment pass through sieve It is whether qualified
Sample 1 18 180 μm of sieves can all be passed through It is qualified
Sample 2 24 180 μm of sieves can all be passed through It is qualified
3rd, the measure of pH value
（1）Instrument, equipment
PH value is measured fire foam with thunder magnetic PHS-3C type precision pH meters.
（2）Determination sample
Fire foam prepared by the method in Example 2 is divided into sample 1 and sample 2, and sample 1 is tested immediately；Sample 2 It is tested after aging, burnin operation step is：Container is full of sample 2, and 242h is kept in 60 DEG C.
（3）Determination step
The net pH electrodes of immersion cleaning are 25 DEG C in sample solution, keeping measurement temperature, pH value twice are measured respectively, then with three times The average value of measurement is as final measurement result.
（4）Measurement result
Measurement result is as shown in table 6.
Table 6
PH value is measured for the first time Second of measure pH value Third time measures pH value PH average values
Sample 1 7.32 7.36 7.26 7.31
Sample 2 7.29 7.31 7.35 7.32
From table it was found from measurement result, the pH value before fire foam aging and after aging has almost no change, and pH value exists Between 6.0-9.5, meet GB17427 requirements.
4th, the calculating of diffusion coefficient
（1）Instrument, equipment, reagent
Surface tension instrument；
Hexamethylene：Concentration 99%；
Fire foam：Using 100mL volumetric flasks and pipette, the fire foam prepared using the method in embodiment 2.
（2）Test procedure
1. the measure of surface tension
A. fire foam temperature is adjusted to 20 DEG C, measures its surface tension.
B. experiment is repeated once, takes the average value tested twice as measure fruit.
2. the measure of interfacial tension
A. after having measured surface tension, surface tension instrument platinum loop is made to be down to below fire foam liquid level, on fire foam Add 20 DEG C of hexamethylene of one layer of 5~7mm thickness, the platinum loop of surface tension instrument should be avoided to be contacted with hexamethylene.After waiting 6min, survey Determine interfacial tension.
B. experiment is repeated once, takes the average value tested twice as measurement result.
3. the calculating of diffusion coefficient：
The diffusion coefficient between foam solution and hexamethylene is calculated as follows.
S=Tc-Ts-Ti
In formula：S-diffusion coefficient；
The surface tension of Tc-hexamethylene, mN/m；
The surface tension of Ts-fire foam, mN/m；
The interfacial tension of Ti-between foam solution and hexamethylene, mN/m.
（3）Result of the test
The measurement result and diffusion coefficient of surface tension are as shown in table 7.
Table 7
From table it was found from measurement result, diffusion coefficient is more than 0, illustrates that fire foam can be sprawled on hexamethylene surface, meets Meet GB17427 requirements.
5th, extinguishing property is tested
（1）Test procedure
Establish a fire extinguishing model with reference to the requirement of GB17427, during experiment added in made of steel plate in cube disk it is few Clear water is measured, 200ml gasoline is added and lights, start to put out a fire after pre-burning 20s, fire-fighting mode uses the method system in embodiment 2 Standby fire foam applies by force the spray pattern that effect is sprayed directly on to comburant, is repeated 3 times test operation；After gasoline fray-out of flame, No resume combustion and gasoline has residue in 15min, shows to put out a fire successfully.
（2）Result of the test
The extinguishing property of fire foam is as shown in table 8.
Table 8
The standard of table 8 requires to formulate according to the fire protecting performance of low fire foam in GB17427.It can from the measurement result in table 8 Know, the average attack time of experiment is 0.38min, and 25% fire resistanttime is 15.2min, and extinguishing property rank can reach IA grades, table The bright fire foam is effective to combustible liquid fires such as gasoline.

Claims (3)

1. a kind of combustible liquid fire fire foam, it is characterised in that：It is made of the raw material of following parts by weight：Foaming Agent：Neopelex（LAS）10-12 parts, dodecyl sodium sulfate（SDS）8-10 parts, empgen BB（LAB） 6.5-7.5 part, polyethylene glycol 2000（PEG2000）4-6 parts；
Foam stabilizer：0.4-0.6 parts of xanthans, alkylphenol polyoxyethylene ether（OP-10）8-10 parts；
Fire retardant：12-14 parts of sodium acid carbonate, 22-26 parts of ammonium chloride, 12-14 parts of urea；
Antifreeze：50-70 parts of ethylene glycol, 40-50 parts of propylene glycol, 40-50 parts of sodium chloride；
Water：750-800 parts.
2. combustible liquid fire fire foam according to claim 1, it is characterised in that：It is by following parts by weight Raw material be prepared：Foaming agent：Neopelex（LAS）11 parts, dodecyl sodium sulfate（SDS）9 parts, dodecane Base glycine betaine（LAB）7 parts, polyethylene glycol 2000（PEG2000）5 parts；
Foam stabilizer：0.5 part of xanthans, alkylphenol polyoxyethylene ether（OP-10）9 parts；
Fire retardant：13 parts of sodium acid carbonate, 24 parts of ammonium chloride, 13 parts of urea；
Antifreeze：60 parts of ethylene glycol, 45 parts of propylene glycol, 45 parts of sodium chloride；
Water：775 parts.
3. a kind of preparation method of combustible liquid fire fire foam as claimed in claim 1 or 2, it is characterised in that： Ethylene glycol and propylene glycol are taken, 36-44 DEG C of holding constant temperature is heated to, is slowly added to xanthans, PEG2000 and sodium chloride, and with 300-500 turns/and the speed of min stirred to being completely dissolved；It adds in water and is heated to 36-44 DEG C of holding constant temperature, continue with 300-500 Turn/the speed of min stirring, add LAS, SDS, LAB, OP-10, sodium acid carbonate, ammonium chloride and urea successively, be heated to 36-44 DEG C constant temperature is kept, and continue to turn with 300-500/speed of min stirs；After reacting 40-80min, stop stirring, stood under room temperature 20-28h。
CN201711473759.1A 2017-12-29 2017-12-29 A kind of combustible liquid fire fire foam and preparation method thereof Withdrawn CN108066929A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111214800A (en) * 2018-11-26 2020-06-02 宁夏万汇云合消防科技有限公司 Novel high-molecular water-based extinguishing agent and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111214800A (en) * 2018-11-26 2020-06-02 宁夏万汇云合消防科技有限公司 Novel high-molecular water-based extinguishing agent and preparation method thereof
CN114042283A (en) * 2018-11-26 2022-02-15 宁夏万汇云合消防科技有限公司 Novel high-molecular water-based extinguishing agent and preparation method thereof

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Application publication date: 20180525