CN108421194A - A kind of environment-friendly type water-based extinguishing agent - Google Patents
A kind of environment-friendly type water-based extinguishing agent Download PDFInfo
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- CN108421194A CN108421194A CN201810372807.6A CN201810372807A CN108421194A CN 108421194 A CN108421194 A CN 108421194A CN 201810372807 A CN201810372807 A CN 201810372807A CN 108421194 A CN108421194 A CN 108421194A
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Classifications
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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
- A62D1/0064—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
Abstract
The present invention relates to fire-fighting fire extinguishing Material Fields, and in particular to a kind of water-based extinguishing agent, more particularly to it is a kind of using temperature-sensitive hydrogel as the environment-friendly type water-based extinguishing agent of extinguishing chemical.The invention discloses a kind of preparation methods of environment-friendly type water-based extinguishing agent, the extinguishing chemical is using water as solvent, add 0.6 0.8% temperature-sensitive hydrogel, 1.5 3% inorganic salts, 6 8% antifreezing agent, 5 10% stabilizer, 3 10% hc-surfactant, environment-friendly type water-based extinguishing agent provided by the present invention is as a result of temperature-sensitive hydrogel as extinguishing chemical, instead of the use of traditional fluorine-containing surfactant, have the characteristics that biology is degradable, and viscosity is high, wettability is good, jet performance is good, it can be widely used in the rescue of various A classes fire and B class fire.
Description
Technical field
The present invention relates to fire-fighting fire extinguishing Material Fields, and in particular to a kind of water-based extinguishing agent, more particularly to one kind is with temperature sensitive
Property hydrogel be extinguishing chemical environment-friendly type water-based extinguishing agent.
Background technology
Water-based extinguishing agent, such as water mists, three-phase froth, aqueous film-forming foam, hydrogel are one kind by adding in water
Active ingredient improves traditional extinguishing chemical of the extinguishing ability of water.It is not only most common extinguishing chemical in daily life, and
Put out one of building fire and the most effective extinguishing chemical of forest fire.In the middle again using fluorocarbon surfactant as primary raw material
There is fire foam raw material to be easily obtained, simple production process, to oil rub resistance ability, strong, good flowing properties and blow-off velocity are fast
The advantages that, it is widely used by fire brigade always.However since these extinguishing chemicals after putting out are without being effectively treated just with water
City sewer, river, lake are flowed into, or is permeated the ground, secondary pollution is virtually caused.In recent years, right both at home and abroad
Fluorocarbon surfactant studies have shown that the C8 class straight chain type fluorocarbon surfaces such as commercially available perfluoro octane sulfonate and perfluoro caprylic acid live
Property agent and its derivative it is larger to soil and influence on water body, extensive environment distribution and apparent is especially presented after fire extinguishment
Biological toxicological effect, gradually it is disabled.How effectively to carry out under the premise of environmental protection fire suppression work at
For the field of more and more scientific research focus of attention, find new extinguishing chemical becomes to substitute traditional fluorocarbon surfactant
Research hotspot.
Invention content
It is an object of the invention to be directed to above-mentioned technological deficiency existing for current water-based extinguishing agent, a kind of environment-friendly type water is provided
It is extinguishing chemical, feature is the extinguishing chemical using temperature-sensitive hydrogel as primary raw material, and good at bubble effect, wettability is good, and right
It is environmental-friendly.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of environment-friendly type water-based extinguishing agent, it is characterised in that the preparation method of the water-based extinguishing agent is,
(1) it is 10-20 parts of poly-N-isopropyl acrylamide, 8-12 parts of LINEAR N-isopropyl acrylamide by mass fraction
Amine-sodium acrylate copolymer, 20-30 parts of porous n-isopropyl acrylamide-sodium acrylate copolymer is added in reaction kettle, so
40-60 part of water is added afterwards to carry out, 1-2 parts of dispersant is then added, controls temperature of reaction kettle at 40-50 DEG C, mixing speed
Control turns in 500-600, after being stirred 1-2 hours, takes out product, is cooled to room temperature to obtain suspension to be Thermo-sensitive water-setting
Glue；
(2) 100-200 parts of water is added in a kettle, then temperature of reaction kettle is controlled at 30-40 DEG C, is then added
3-4 parts of temperature-sensitive hydrogel, 7-15 parts of inorganic salts, 15-30 parts of hc-surfactant is right, is then turned on blender,
Its mixing speed control in 200-300rpm, after being stirred 20-30 minutes, add 15-25 parts antifreezing agent and 5-10 parts
Stabilizer, then blender mixing speed is adjusted to 400-500rpm, after carrying out reaction 1-2 hour, standing 20-30 minutes
Afterwards, material is taken out, the gelinite obtained after cooling is exactly a kind of environment-friendly type extinguishing chemical.
The environment-friendly type water-based extinguishing agent is using water as solvent, wherein including the Thermo-sensitive water of a concentration of 0.6-0.8%
It is prepared by the hc-surfactant of gel, the inorganic salts of 1.5-3%, the antifreezing agent of 3-5%, the stabilizer of 5-10%, 3-10%
It obtains.
Further, the inorganic salts are, by mass fraction be 10-20 parts of ammonium hydrogen phosphates, 15-20 parts of ammonium dihydrogen phosphate,
6-8 parts of phosphorus benzoic acid, 1-2 parts of calcium hydroxide, 20-30 parts of water is mixed and is prepared.
Further, the antifreezing agent is 10-20 parts of polyethylene glycol, 6-8 parts of polyvinyl alcohol, the third the three of 6-12 parts
Alcohol, 40-60 parts of water is mixed, and the lotion that high-speed stirred obtains after 2-3 hours is then carried out.
Further, the stabilizer is, by 10-20 parts of urea, 1-2 parts of sodium hydrogensulfite, 2-3 parts of dodecane
Base sodium sulfonate, 20-25 parts of water is mixed, the product obtained after mixing.
Further, the hc-surfactant is the amphoteric imidazoline, 10-20 of 20-30 parts of 12-18 carbon atoms
The water that the glycine betaine of part, 2-6 parts of odium stearate are added 30-50 parts under the conditions of 70-80 DEG C is mixed and is prepared
Substance.
Further, the charging process all slowly carries out, and charging rate is in 4-6 gram/minutes.
Beneficial to benefit
1, important composition ingredient temperature-sensitive hydrogel of the invention, which is at normal temperatures liquid, and works as environment temperature
When changing, violent and discontinuous reaction is will produce, when local environment reaches certain numerical value, temperature-sensitive hydrogel can be sent out
The mutation of raw gel volume, i.e. noncontinuity Volume-phase transition pass through this of temperature-sensitive hydrogel to be changed into condensed state
Characteristic, can form the thermal insulation layer of compact structure with going fire object surface, and principle is that the temperature-sensitive hydrogel of liquid condition has
Good mobility can infiltrate combustion material well, and moisture film is formed in diffusion into the surface, since combustion material self-temperature is higher,
The noncontinuity Volume-phase transition that can trigger temperature-sensitive hydrogel when reaching lower critical solution temperature or more, is changed into gel
State is preferably attached to combustion material surface, realizes the effect of isolation air, final to realize fire extinguishing.
2, the present invention is added to a certain amount of hc-surfactant, as auxiliary blowing agent, is different from fluorocarbon surface and lives
Property agent at high temperature caused by hard-degraded substance, the bioaffinity of hc-surfactant is good, and pyrolytic object is degradable,
And compound property and resistance to acid and alkali are good.
3, present invention employs the hc-surfactant of low concentration and temperature-sensitive hydrogels so that the present invention is gone out in fire-fighting
The jet performance of firearm obtains higher improvement, can obtain more uniform sufficient atomizing effect, and this aspect can be reduced
On the other hand the usage amount of extinguishing chemical can also reduce the waste of flow.And it since stable system performance is preferable, can be applicable in
The nozzle of plurality of specifications.
Specific implementation mode
Below in conjunction with preferred embodiment of the present invention will be described.It should be appreciated that preferred embodiment described herein
It is merely to illustrate and explain the present invention, but is not used in the restriction present invention.
Embodiment 1
(1) preparation of inorganic salts
By mass fraction be 10 parts of ammonium hydrogen phosphates, 15 parts of ammonium dihydrogen phosphate, 8 parts of phosphorus benzoic acid, 1 part of calcium hydroxide,
20 parts of water is mixed and is prepared.
(2) preparation of antifreezing agent
12 parts of polyethylene glycol, 6 parts of polyvinyl alcohol, 6 parts of glycerine, 40 parts of water are mixed, then carried out
High-speed stirred after 2 hours obtained from lotion.
(3) preparation of stabilizer
12 parts of urea, 1 part of sodium hydrogensulfite, 2 parts of dodecyl sodium sulfate, 25 parts of water are mixed, mixed
The product obtained after closing uniformly.
(4) preparation of hc-surfactant
The amphoteric imidazoline, 10 parts of glycine betaine, 2 parts of odium stearate of 20 parts of 18 carbon atoms are added under the conditions of 70 DEG C
The water for entering 35 parts is mixed and the substance that is prepared.
(5) preparation of temperature-sensitive hydrogel
It is 12 parts of poly-N-isopropyl acrylamide, 8 parts of LINEAR N-N-isopropylacrylamide-acrylic acid by mass fraction
Sodium copolymer, 23 parts of porous n-isopropyl acrylamide-sodium acrylate copolymer are added in reaction kettle, are then added 60 parts
Water carries out, and 1 part of dispersant is then added, at 45 DEG C, mixing speed is controlled at 500 turns control temperature of reaction kettle, is stirred 1
After hour, product is taken out, is cooled to room temperature to obtain suspension to be temperature-sensitive hydrogel.
(6) preparation of environment-friendly type extinguishing chemical
120 parts of water is added in a kettle, then controls temperature of reaction kettle at 40 DEG C, then 3 parts of addition is temperature sensitive
Property hydrogel, 7 parts of inorganic salts, 15 parts of hc-surfactant it is right, be then turned on blender, mixing speed control exists
230rpm is stirred and adds 15 parts of antifreezing agent and 5 parts of stabilizer after twenty minutes, then by blender mixing speed
450rpm is adjusted, after carrying out reaction 1 hour, stands after twenty minutes, material is taken out, carry out the gelinite obtained after cooling just
It is a kind of environment-friendly type extinguishing chemical.
Embodiment 2
(1) preparation of inorganic salts
By mass fraction be 15 parts of ammonium hydrogen phosphates, 18 parts of ammonium dihydrogen phosphate, 7 parts of phosphorus benzoic acid, 1 part of calcium hydroxide,
25 parts of water is mixed and is prepared.
(2) preparation of antifreezing agent
15 parts of polyethylene glycol, 6 parts of polyvinyl alcohol, 10 parts of glycerine, 50 parts of water are mixed, then carried out
High-speed stirred after 3 hours obtained from lotion.
(3) preparation of stabilizer
15 parts of urea, 2 parts of sodium hydrogensulfite, 2 parts of dodecyl sodium sulfate, 25 parts of water are mixed, mixed
The product obtained after closing uniformly.
(4) preparation of hc-surfactant
The amphoteric imidazoline, 15 parts of glycine betaine, 4 parts of odium stearate of 25 parts of 15 carbon atoms are added under the conditions of 75 DEG C
The water for entering 40 parts is mixed and the substance that is prepared.
(5) preparation of temperature-sensitive hydrogel
It is 15 parts of poly-N-isopropyl acrylamide, 10 parts of LINEAR N-N-isopropylacrylamide-propylene by mass fraction
Sour sodium copolymer, 25 parts of porous n-isopropyl acrylamide-sodium acrylate copolymer are added in reaction kettle, are then added 50 parts
Water carry out, 2 parts of dispersant is then added, at 40-50 DEG C, mixing speed is controlled at 500 turns control temperature of reaction kettle, is carried out
After stirring 1 hour, product is taken out, is cooled to room temperature to obtain suspension to be temperature-sensitive hydrogel.
(6) preparation of environment-friendly type extinguishing chemical
150 parts of water is added in a kettle, then controls temperature of reaction kettle at 35 DEG C, then 3 parts of addition is temperature sensitive
Property hydrogel, 12 parts of inorganic salts, 20 parts of hc-surfactant it is right, be then turned on blender, mixing speed control exists
250rpm after being stirred 25 minutes, adds 20 parts of antifreezing agent and 8 parts of stabilizer, then by blender mixing speed
450rpm is adjusted, after carrying out reaction 2 hours, after standing 30 minutes, material is taken out, carries out the gelinite obtained after cooling just
It is a kind of environment-friendly type extinguishing chemical.
Embodiment 3
(1) preparation of inorganic salts
By mass fraction be 20 parts of ammonium hydrogen phosphates, 20 parts of ammonium dihydrogen phosphate, 6 parts of phosphorus benzoic acid, 1 part of calcium hydroxide,
20 parts of water is mixed and is prepared.
(2) preparation of antifreezing agent
10 parts of polyethylene glycol, 6 parts of polyvinyl alcohol, 6 parts of glycerine, 40 parts of water are mixed, then carried out
High-speed stirred after 2 hours obtained from lotion.
(3) preparation of stabilizer
12 parts of urea, 2 parts of sodium hydrogensulfite, 2 parts of dodecyl sodium sulfate, 22 parts of water are mixed, mixed
The product obtained after closing uniformly.
(4) preparation of hc-surfactant
The amphoteric imidazoline, 10 parts of glycine betaine, 6 parts of odium stearate of 20 parts of 12 carbon atoms are added under the conditions of 70 DEG C
The water for entering 30 parts is mixed and the substance that is prepared.
(5) preparation of temperature-sensitive hydrogel
It is 20 parts of poly-N-isopropyl acrylamide, 8 parts of LINEAR N-N-isopropylacrylamide-acrylic acid by mass fraction
Sodium copolymer, 20 parts of porous n-isopropyl acrylamide-sodium acrylate copolymer are added in reaction kettle, are then added 40 parts
Water carries out, and 1 part of dispersant is then added, at 40 DEG C, mixing speed is controlled at 500 turns control temperature of reaction kettle, is stirred 1
After hour, product is taken out, is cooled to room temperature to obtain suspension to be temperature-sensitive hydrogel.
(6) preparation of environment-friendly type extinguishing chemical
100 parts of water is added in a kettle, then controls temperature of reaction kettle at 30-40 DEG C, 3 parts of temperature is then added
Quick property hydrogel, 15 parts of inorganic salts, 30 parts of hc-surfactant are right, are then turned on blender, mixing speed control
It in 200rpm, is stirred and adds 15 parts of antifreezing agent and 5 parts of stabilizer after twenty minutes, blender is then stirred into speed
Degree, which is adjusted, arrives 500rpm, and after carrying out reaction 1 hour, after standing 20-30 minute, material is taken out, carry out it is cooling after obtain coagulate
Colloid is exactly a kind of environment-friendly type extinguishing chemical.
Embodiment 4
(1) preparation of inorganic salts
By mass fraction be 12 parts of ammonium hydrogen phosphates, 18 parts of ammonium dihydrogen phosphate, 6 parts of phosphorus benzoic acid, 1 part of calcium hydroxide,
20 parts of water is mixed and is prepared.
(2) preparation of antifreezing agent
10 parts of polyethylene glycol, 6 parts of polyvinyl alcohol, 8 parts of glycerine, 40 parts of water are mixed, then carried out
High-speed stirred after 2-3 hours obtained from lotion.
(3) preparation of stabilizer
15 parts of urea, 1 part of sodium hydrogensulfite, 2 parts of dodecyl sodium sulfate, 20 parts of water are mixed, mixed
The product obtained after closing uniformly.
(4) preparation of hc-surfactant
The amphoteric imidazoline, 15 parts of glycine betaine, 5 parts of odium stearate of 23 parts of 12 carbon atoms are added under the conditions of 75 DEG C
The water for entering 35 parts is mixed and the substance that is prepared.
(5) preparation of temperature-sensitive hydrogel
It is 12 parts of poly-N-isopropyl acrylamide, 8 parts of LINEAR N-N-isopropylacrylamide-acrylic acid by mass fraction
Sodium copolymer, 20 parts of porous n-isopropyl acrylamide-sodium acrylate copolymer are added in reaction kettle, are then added 60 parts
Water carries out, and 1 part of dispersant is then added, at 40 DEG C, mixing speed is controlled at 500 turns control temperature of reaction kettle, is stirred 1
After hour, product is taken out, is cooled to room temperature to obtain suspension to be temperature-sensitive hydrogel.
(6) preparation of environment-friendly type extinguishing chemical
150 parts of water is added in a kettle, then controls temperature of reaction kettle at 35 DEG C, then 3 parts of addition is temperature sensitive
Property hydrogel, 12 parts of inorganic salts, 15 parts of hc-surfactant it is right, be then turned on blender, mixing speed control exists
230rpm after being stirred 25 minutes, adds 15 parts of antifreezing agent and 8 parts of stabilizer, then by blender mixing speed
400rpm is adjusted, after carrying out reaction 1 hour, after standing 25 minutes, material is taken out, carries out the gelinite obtained after cooling just
It is a kind of environment-friendly type extinguishing chemical.
Experiment detection
1, physicochemical property detects
Product prepared by embodiment 1-4, according to national standards GB17835-2008《Water-based extinguishing agent》Standard, to this
The product of invention is detected, and testing result is as follows：
Finally illustrate, preferred embodiment above is only used to illustrate the technical scheme of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, defined by claims of the present invention.
Claims (6)
1. a kind of environment-friendly type water-based extinguishing agent, it is characterised in that the preparation method of the water-based extinguishing agent is,
(1) it is 10-20 parts of poly-N-isopropyl acrylamide, 8-12 parts of LINEAR N-N-isopropylacrylamide-by mass fraction
Sodium acrylate copolymer, 20-30 parts of porous n-isopropyl acrylamide-sodium acrylate copolymer is added in reaction kettle, then
40-60 part of water is added to carry out, 1-2 parts of dispersant is then added, controls temperature of reaction kettle at 40-50 DEG C, mixing speed control
System turns in 500-600, after being stirred 1-2 hours, takes out product, is cooled to room temperature to obtain suspension to be temperature-sensitive hydrogel；
(2) 100-200 parts of water is added in a kettle, then temperature of reaction kettle is controlled at 30-40 DEG C, 3-4 is then added
The temperature-sensitive hydrogel, 7-15 parts of inorganic salts, 15-30 parts of hc-surfactant of part are right, are then turned on blender, stir
Speed control is mixed in 200-300rpm, after being stirred 20-30 minutes, add 15-25 parts antifreezing agent and 5-10 parts steady
Determine agent, then adjusts blender mixing speed to 400-500rpm, after carrying out reaction 1-2 hours, after standing 20-30 minutes,
Material is taken out, the gelinite obtained after cooling is exactly a kind of environment-friendly type extinguishing chemical.
The environment-friendly type water-based extinguishing agent be using water as solvent, wherein include the temperature-sensitive hydrogel of a concentration of 0.6-0.8%,
The hc-surfactant of the inorganic salts of 1.5-3%, the antifreezing agent of 3-5%, the stabilizer of 5-10%, 3-10% is prepared
's.
2. environment-friendly type water-based extinguishing agent according to claim 1, which is characterized in that the inorganic salts are, by mass fraction
For 10-20 parts of ammonium hydrogen phosphates, 15-20 parts of ammonium dihydrogen phosphate, 6-8 parts of phosphorus benzoic acid, 1-2 parts of calcium hydroxide, 20-30 parts
Water is mixed and is prepared.
3. environment-friendly type water-based extinguishing agent according to claim 1, which is characterized in that the antifreezing agent be 10-20 part gather
Ethylene glycol, 6-8 parts of polyvinyl alcohol, 6-12 parts of glycerine, 40-60 parts of water are mixed, and high-speed stirred 2-3 is then carried out
The lotion obtained after hour.
4. environment-friendly type water-based extinguishing agent according to claim 1, which is characterized in that the stabilizer is, by 10-20 parts
Urea, 1-2 parts of sodium hydrogensulfite, 2-3 parts of dodecyl sodium sulfate, 20-25 parts of water are mixed, after mixing
The product arrived.
5. environment-friendly type water-based extinguishing agent according to claim 1, which is characterized in that the hc-surfactant is 20-
The amphoteric imidazoline of 30 parts of 12-18 carbon atoms, 10-20 parts of glycine betaine, 2-6 parts of odium stearate is under the conditions of 70-80 DEG C
Be added 30-50 parts of water mixed and the substance that is prepared.
6. environment-friendly type water-based extinguishing agent according to claim 2, which is characterized in that the charging process be all slowly into
Capable, charging rate is in 4-6 gram/minutes.
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| CN201810372807.6A CN108421194A (en) | 2018-04-24 | 2018-04-24 | A kind of environment-friendly type water-based extinguishing agent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214798A (en) * | 2018-11-26 | 2020-06-02 | 宁夏万汇云合消防科技有限公司 | Environment-friendly cold-resistant water-based extinguishing agent and preparation method thereof |
| CN112156415A (en) * | 2020-10-30 | 2021-01-01 | 湘潭市盛德消防科技有限公司 | Fire extinguishing agent based on temperature-sensitive high polymer material |
| CN113144496A (en) * | 2021-03-10 | 2021-07-23 | 宁波水星环保科技有限公司 | High-efficiency fire extinguishing agent containing polyethylene glycol |
| CN113978046A (en) * | 2021-11-09 | 2022-01-28 | 厦门大学 | Thermal protection structure and preparation method thereof |
| CN115569342A (en) * | 2022-08-26 | 2023-01-06 | 广东自由能科技股份有限公司 | Production method of high-efficiency fire extinguisher feed liquid and prepared feed liquid |
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| CN113144496A (en) * | 2021-03-10 | 2021-07-23 | 宁波水星环保科技有限公司 | High-efficiency fire extinguishing agent containing polyethylene glycol |
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| CN115569342A (en) * | 2022-08-26 | 2023-01-06 | 广东自由能科技股份有限公司 | Production method of high-efficiency fire extinguisher feed liquid and prepared feed liquid |
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Application publication date: 20180821 |
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