CN109126009A - A kind of neutrality water system extinguishing medium and preparation method thereof - Google Patents
A kind of neutrality water system extinguishing medium and preparation method thereof Download PDFInfo
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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
- A62D1/0028—Liquid extinguishing substances
- A62D1/005—Dispersions; Emulsions
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Abstract
The present invention provides a kind of neutral water system extinguishing mediums and preparation method thereof, and the component including mass fraction is respectively as follows: the phosphonium flame retardant of 23-25%；The nitrogenous flame ratardant of 20-24%；The gelling agent of 4-6%；The waterglass of 8-12%, 2-5%pH regulator；5-8% surfactant；Surplus is distilled water.Phosphonium flame retardant is sodium tripolyphosphate, ammonium dihydrogen phosphate, three (2,3- dibromopropyl) at least one of phosphates and thiophosphoric acid triisocyanate.Nitrogenous flame ratardant is urea, ammonium hydrogen carbonate (NH4HCO3), at least two in the chloro- 1,2,5- thiadiazoles of 3- morpholine -4- and melamine cyanurate.Water system extinguishing medium of the invention has fire extinguishing and fire-proof function, effectively expands the Acclimation temperature range of fire retardant and improves flame retardant property, improves the efficiency of fire fighting significantly.
Description
Technical field
The present invention relates to extinguishing chemical fields more particularly to a kind of neutral water system extinguishing medium and preparation method thereof.
Background technique
Extinguishing chemical is to refer to effectively destroy burning condition, terminates the substance of burning.Water is odorless tasteless liquid, is
Base substance for the survival of mankind.Water is taken conveniently, widely distributed, while water is in neutrality in chemistry, nontoxic, specific heat capacity and
Heat of vaporization is all larger, good cooling results.Water can directly take away the heat of flame high-temperature combustion product and fuel surface；Water exists
Evaporation stage can very effective absorption thermal energy；The steam that water generates occupies combustion zone, and fresh air can be prevented to enter combustion
Area is burnt, to reduce the concentration of combustion zone oxygen, causes combustion intensity to weaken until terminating.Therefore, water becomes most-often used
Extinguishing chemical, thermal characteristics make it can be used for the fire extinguishing procedure of most of types of fires.
The existing common medicament for putting out mountain fire has 2 kinds:
The first is exactly common water, and water is odorless nontoxic liquid, take conveniently, it is widely distributed, the specific heat capacity of water and
Heat of vaporization is all larger, good cooling results.Water can directly take away the heat of flame high-temperature combustion product and fuel surface, in vapour
The change stage can very effective absorption thermal energy, the steam of generation occupies combustion zone, fresh air can be prevented to enter combustion zone,
To reduce the concentration of combustion zone oxygen, combustion intensity is caused to weaken until terminating.But since the mobility of water is very strong,
Under normal conditions, the most of water that uses of putting out a fire is contacting instantaneous with fire, and also having little time to work just lost, this is resulted in
The utilization rate of above-water method is lower, and easily causes secondary loss.For example, water is sprayed onto tree in fighting forest fire
On branches and leaves, the residence time is very short, and most of water drips to ground quickly, does not have due fire extinguishing effect, the utilization rate of water resource
It is extremely low.Since present water resource also day is becoming tight, mountain fire spot is often again the place far from water source, is needed with various traffic
By water transport to scene, what is be related to is with high costs for tool or even helicopter.
In addition a prior problem is exactly not have fire protection flame retarding ability by the trees that water drenched, burnt when greatly
It can be lighted rapidly when coming, the intensity of a fire is caused to continue to spread.The measure generallyd use at present is under cutting down the trees on high fire periphery
Come, form the fire-blocking belt of one fixed width, do so not only time-consuming and laborious, but also the part forest reserves can be lost in vain.
It is namely based on all kinds of water-based extinguishing agents of water for second.
For water as the extinguishing chemical being commonly used, thermal characteristics makes it can be used for the fire extinguishing procedure of most of types of fires.Water
It is most sufficient natural extinguishing chemical as non-flammable fluid, but water is readily flowed, only has fraction to play in practical fire extinguishing procedure
Fire extinguishing effect, waste rate is higher, and the efficiency of anti-re-ignition is also poor, therefore add certain substances with special role in water,
To improve the performance of water, while meeting the needs of various functions, that is, develops into existing water-based extinguishing agent.
The forest fire extinguishing medium that existing technological development is completed is mainly the AFFF that upper 3% is converted with 97% water
(aqueous film-forming foam), which is then carried by helicopter, sheds from high-altitude, but medicament adds poisonous and hazardous antifreezing agent, and use by
Temperature limiting, especially using difficulty, Applicable temperature range is small in the area of cold in winter.Water-based extinguishing agent in the prior art
Anti-flammability is bad, long the time required to fire extinguishing.
Summary of the invention
The embodiment provides a kind of neutral water system extinguishing mediums and preparation method thereof, it is intended to solve existing skill
The weak problem of Acclimation temperature narrow range, flame retardant property of putting out a fire in art.
To achieve the goals above, this invention takes following technical solutions.
According to an aspect of the invention, there is provided a kind of neutrality water system extinguishing medium, the group including following mass fraction
Point:
The phosphonium flame retardant of 23-25%；The nitrogenous flame ratardant of 20-24%；The gelling agent of 4-6%；The waterglass of 8-12%,
2-5%pH regulator；5-8% surfactant；Surplus is distilled water.
Further, the phosphonium flame retardant is sodium tripolyphosphate, ammonium dihydrogen phosphate, three (2,3- dibromopropyl) phosphates
At least one of with thiophosphoric acid triisocyanate.
Further, the nitrogenous flame ratardant is urea, ammonium hydrogen carbonate (NH4HCO3), the chloro- 1,2,5- thiophene of 3- morpholine -4-
At least two in diazole and melamine cyanurate.
Further, the gelling agent is polyglycereol or sodium carboxymethylcellulose.
Further, the surfactant is cetyltrimethyl ammonium or neopelex.
Further, the pH adjusting agent is one or more of triethanolamine, phosphoric acid and citric acid.
It further, further include 0.2-0.3% defoaming agent or a certain amount of silicon powder.
According to an aspect of the invention, there is provided a kind of preparation method of neutrality water system extinguishing medium, comprising:
Material mixing: the distilled water being added in blender first, and the phosphonium flame retardant is then added and contains
Nitrogen combustion inhibitor adjusts the revolving speed of blender to 100-130r/min, stirs 1.5-1.8h, the gelling agent is added, surface is lived
Property agent and waterglass, continue to stir 1.0-1.2h, obtain mixed liquor；
PH value is adjusted: the mixed liquor pH value being adjusted to 6.5-7.5 with the pH adjusting agent；
Curing: the mixed liquor for regulating pH value is cured into 6-8h；
Make finished product.
Further, the production finished product includes: the defoaming that the mixed liquor after curing is added to 0.2-0.3%
Agent cures 20-25min, stirs 30 minutes, obtains liquid extinguishing medium.
Further, the production finished product includes: and a certain amount of silicon powder is added in the mixed liquor after curing to stir
Mixing is mixed to adhesion, obtains solid-state extinguishing medium.
As can be seen from the technical scheme provided by the above-mentioned embodiment of the present invention, neutral water system provided in an embodiment of the present invention
Phosphonium flame retardant and nitrogenous flame ratardant are combined as the main functional component of extinguishing medium by extinguishing medium and preparation method thereof,
Gelling agent and waterglass are added in water system fire retardant, so that the uniformity of fire retardant and viscosity increase, has both had efficient
Fire-extinguishing function concurrently, and there is good fire-proof function.When extinguishing medium to be sprayed on the trees of kindling, can put out a fire rapidly,
And residence time of the extinguishing medium on comburant is long, and the part not caught fire can be because be stained with extinguishing medium without by periphery
Fire ignite, play prevent fire spreading function.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is a kind of preparation method flow chart of neutral water system extinguishing medium provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, table and specific embodiment do specific introduction to the present invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
In order to facilitate understanding of embodiments of the present invention, below in conjunction with being further explained for several specific embodiments
Illustrate, and each embodiment does not constitute the restriction to the embodiment of the present invention.
The present invention provides a kind of neutral water system extinguishing mediums and preparation method thereof, it is intended to by phosphonium flame retardant and nitrogenous resistance
Combustion two kinds of fire retardants of agent are combined as the main functional component of extinguishing medium, and gelling agent and water glass are added in water system fire retardant
Glass increases the uniformity and viscosity of fire retardant, expands the Acclimation temperature range and flame retardant property of fire retardant.
Embodiment 1
A kind of neutrality water system extinguishing medium, the component including following mass fraction:
The phosphonium flame retardant of 23-25%；The nitrogenous flame ratardant of 20-24%；The gelling agent of 4-6%；The waterglass of 8-12%,
2-5%pH regulator；5-8% surfactant；Surplus is distilled water.
Preferably, phosphonium flame retardant is sodium tripolyphosphate, ammonium dihydrogen phosphate, three (2,3- dibromopropyl) phosphates and thio phosphorus
At least one of sour triisocyanate.
Preferably, nitrogenous flame ratardant is urea, ammonium hydrogen carbonate (NH4HCO3), the chloro- 1,2,5- thiadiazoles of 3- morpholine -4- and cyanogen
At least two in uric acid melamine.
Preferably, gelling agent is polyglycereol or sodium carboxymethylcellulose.
Preferably, surfactant is cetyltrimethyl ammonium or neopelex.
It should be noted that surfactant was selected for reducing surface tension and surface free energy, the present embodiment
Surfactant is conventional surfactants, is acted on the functional component unrestraint of extinguishing medium.
Preferably, pH adjusting agent is one or more of triethanolamine, phosphoric acid and citric acid.
It should be noted that the pH value of extinguishing medium is adjusted to neutrality by pH adjusting agent, and it is low to the corrosive nature of container, make
With highly-safe.Wherein, four kinds of elements of hydrocarbon oxygen nitrogen are contained in triethanolamine, phosphoric acid contains three kinds of elements of hydrogen-oxygen phosphorus, fire-retardant
The pernicious gas generated in the process is few, and the two does not introduce new element to extinguishing medium, and on flame retarding function without influence.
Further, neutral water system extinguishing medium further includes 0.2-0.3% defoaming agent or a certain amount of silicon powder.
It should be noted that be added that defoaming agent is prepared is the sticky extinguishing medium of liquid, defoaming agent is added and is used to
The foam for vibrating generation during transportation is avoided, so that the situation of the overflow for avoiding foam from excessively generating or container breakage, increases
The security performance of strong transportational process.Silicon powder is added in extinguishing medium, solid-state extinguishing medium, powdered fire extinguishing medicine is prepared
Agent has excellent extinguishing property, and silicon powder burning point is high, and chemical property is stablized, and combustion adjuvant is not belonging to, to the effective of extinguishing medium
Ingredient is without influence.
Fig. 1 is a kind of flow chart of the preparation method of neutral water system extinguishing medium provided in an embodiment of the present invention, referring to figure
1, the preparation method of above-mentioned neutrality water system extinguishing medium, comprising:
Material mixing: distilled water is firstly added in blender, and phosphonium flame retardant and nitrogenous flame ratardant is then added, and is adjusted
The revolving speed of blender stirs 1.5-1.8h to 100-130r/min, and gelling agent, surfactant and waterglass is then added, after
Continuous stirring 1.0-1.2h, obtains uniform mixed liquor.
PH value is adjusted: the pH value of mixed liquor being adjusted to 6.5-7.5 with pH adjusting agent；
Curing: the mixed liquor for regulating pH value is cured into 6-8h, then makes finished product.
Further, production finished product includes: that 0.2-0.3% defoaming agent, curing is added in the mixed liquor after curing
20-25min obtains the sticky extinguishing medium of liquid.
Further, production finished product includes: and a certain amount of silicon powder is added in the mixed liquor after curing to stir and evenly mix
To adhesion, solid-state extinguishing medium is obtained.
Embodiment 2
A kind of neutrality water system extinguishing medium, the component including following mass fraction:
Phosphonium flame retardant is 23%, nitrogenous flame ratardant 20%, gelling agent 4%, surfactant 5%, waterglass
It is 8%, pH adjusting agent 2%, surplus is distilled water.
Specifically, phosphonium flame retardant is sodium tripolyphosphate and thiophosphoric acid triisocyanate.Fire retardant is urea, ammonium hydrogen carbonate
(NH4HCO3) and melamine cyanurate.Gelling agent is polyglycereol.Surfactant is cetyltrimethyl ammonium.PH adjusting agent
For phosphoric acid.
The preparation method of above-mentioned neutrality water system extinguishing medium, includes the following steps:
The mixing of S1 material: distilled water being added in blender first, and phosphonium flame retardant and nitrogenous flame ratardant is then added, and adjusts
The mixing speed for saving blender is 130r/min, stirs 1.5h, then adds gelling agent, surfactant and waterglass, after
Continuous stirring 1.0h, obtains uniform mixed liquor.
S2 pH value is adjusted: by mixed liquor using phosphorus acid for adjusting pH to 6.5.
S3 curing: the mixed liquor in S2 step is cured into 6h.
S4 makes finished product.
Specifically, the step of making finished product are as follows: 0.2% defoaming agent will be added in the mixed liquor after curing, cure 20min
Afterwards, finished product is delivered in storage tank.
Embodiment 3
A kind of neutrality water system extinguishing medium, the component including following mass fraction:
Phosphonium flame retardant is 24%, nitrogenous flame ratardant 22%, gelling agent 5%, surfactant 7%, waterglass
It is 10%, pH adjusting agent 4%, surplus is distilled water.
Specifically, phosphonium flame retardant is sodium tripolyphosphate and ammonium dihydrogen phosphate.Fire retardant is urea, ammonium hydrogen carbonate (NH4HCO3)
With the chloro- 1,2,5- thiadiazoles of 3- morpholine -4-.Gelling agent is polyglycereol.Surfactant is neopelex.PH is adjusted
Agent is citric acid.
The preparation method of above-mentioned neutrality water system extinguishing medium, includes the following steps:
The mixing of S1 material: first under the experimental situation of 20 DEG C of room temperature, distilled water is added in blender, is then added and contains
Phosphorus fire retardant and nitrogenous flame ratardant stir 1.7h, and the mixing speed for adjusting blender is 120r/min, add gelling agent, surface
Activating agent and waterglass continue to stir 1.1h, obtain uniform mixed liquor.
S2 pH value is adjusted: by mixed liquor using lemon acid for adjusting pH to 7.0；
S3 curing: the mixed liquor in S2 step is cured into 7h；
S4 makes finished product.
Specifically, finished product step is made are as follows: 0.3% defoaming agent is added in the mixed liquor after curing, cures 23min, it will
Finished product is delivered to storage tank.
Embodiment 4
A kind of neutrality water system extinguishing medium, the component including following mass fraction:
Phosphonium flame retardant is 25%, nitrogenous flame ratardant 24%, gelling agent 6%, surfactant 8%, waterglass
It is 12%, pH adjusting agent 5%, surplus is distilled water.
Specifically, phosphonium flame retardant is ammonium dihydrogen phosphate and three (2,3- dibromopropyl) phosphates.Fire retardant is urea, carbon
Sour hydrogen ammonium (NH4HCO3).Gelling agent is polyglycereol.Surfactant is neopelex.PH adjusting agent is triethanolamine
And citric acid.
The preparation method of above-mentioned neutrality water system extinguishing medium, includes the following steps:
The mixing of S1 material: distilled water being added in blender first, and phosphonium flame retardant and nitrogenous flame ratardant is then added, and adjusts
Section blender revolving speed is 110r/min, stirs 1.8h, adds gelling agent, surfactant and waterglass, continues to stir 1.2h,
Obtain uniform mixed liquor.
S2 pH value is adjusted: using triethanolamine and lemon acid for adjusting pH value to 7.5 mixed liquor.
S3 curing: the mixed liquor in S2 step is cured into 8h.
S4 makes finished product.
Specifically, the step of production finished product are as follows: 0.3% defoaming agent, curing is added in the mixed liquor after curing
Finished product is delivered to storage tank by 25min.
Embodiment 5
A kind of neutrality water system extinguishing medium, composition are respectively as follows: by mass percentage
Phosphonium flame retardant is 24%, nitrogenous flame ratardant 22%, gelling agent 5%, surfactant 7%, waterglass
It is 10%, pH adjusting agent 3%, surplus is distilled water.
Specifically, the phosphonium flame retardant is three (2,3- dibromopropyl) phosphates.The nitrogenous flame ratardant is 3- morpholine-
The chloro- 1,2,5- thiadiazoles of 4- and melamine cyanurate.The gelling agent is sodium carboxymethylcellulose.The surfactant is
Neopelex.The pH adjusting agent is phosphoric acid.
The preparation method of above-mentioned neutrality water system extinguishing medium, includes the following steps:
The mixing of S1 material: distilled water being added in blender first, and phosphonium flame retardant and nitrogenous flame ratardant is then added, and adjusts
Section agitator speed is 100r/min, stirs 1.5h, then adds gelling agent, surfactant and waterglass, continue to stir
1.1h obtains uniform mixed liquor.
S2 pH value is adjusted: by mixed liquor using phosphorus acid for adjusting pH value to 7.2.
S3 curing: the mixed liquor in S2 step is cured into 7h.
S4 makes finished product.
Specifically, the step of making finished product are as follows: silicon powder is added after curing and stirs and evenly mixs to adhesion, finished product is delivered to
Storage tank.
Embodiment 6
A kind of neutrality water system extinguishing medium, composition are respectively as follows: by mass percentage
Phosphonium flame retardant is 46%, gelling agent 5%, surfactant 7%, waterglass 10%, and pH adjusting agent is
3%, surplus is distilled water.
Specifically, phosphonium flame retardant is three (2,3- dibromopropyl) phosphates.Gelling agent is sodium carboxymethylcellulose.Surface
Activating agent is neopelex.PH adjusting agent is triethanolamine and citric acid.
The preparation method of above-mentioned neutrality water system extinguishing medium, includes the following steps:
Distilled water: being added in blender first, phosphonium flame retardant be then added by the mixing of S1 material, adjusts turning for blender
Speed is 100r/min, stirs 1.5h, then adds gelling agent, surfactant and waterglass, continues to stir 1.1h, obtain
Even mixed liquor.
S2 pH value is adjusted: using triethanolamine and lemon acid for adjusting pH to 7.2 mixed liquor.
S3 curing: the mixed liquor in S2 step is cured into 7h.
S4 makes finished product.
Specifically, finished product step is made are as follows: silicon powder is added after curing and stirs and evenly mixs to adhesion, then conveys finished product
To storage tank.
Embodiment 7
A kind of neutrality water system extinguishing medium, composition are respectively as follows: by mass percentage
Nitrogenous flame ratardant is 46%, gelling agent 5%, surfactant 7%, waterglass 10%, and pH adjusting agent is
3%, surplus is distilled water.
Specifically, nitrogenous flame ratardant is 3- morpholine -4- chloro- 1,2,5- thiadiazoles and melamine cyanurate.
Gelling agent is sodium carboxymethylcellulose.Surfactant is neopelex.PH adjusting agent is phosphoric acid.
The preparation method of above-mentioned neutrality water system extinguishing medium, includes the following steps:
The mixing of S1 material: distilled water being added in blender first, and nitrogenous flame ratardant is then added, and adjusts blender revolving speed
For 100r/min, 1.5h is stirred, gelling agent, surfactant and waterglass stirring is then added, continues to stir 1.1h, obtain
Uniform mixed liquor.
S2 pH value is adjusted: mixed liquor is obtained uniform mixed liquor to 7.2 using phosphorus acid for adjusting pH.
S3 curing: the mixed liquor in S2 step is cured into 7h.
S4 makes finished product.
Specifically, the step of making finished product are as follows: silicon powder is added after curing and stirs and evenly mixs to adhesion, obtains finished product, and
It is transported to storage tank.
According to embodiment 2-7, wherein embodiment 2-5 is the extinguishing medium being prepared in technical solution of the present invention, is implemented
Example 6-7 is comparative experiments, and wherein embodiment 5 is only containing the extinguishing medium of phosphonium flame retardant, and embodiment 6 is only to contain nitrogenous resistance
Fire the extinguishing medium of agent.The fire extinguishing temperature of embodiment 2-7 and practical fire type experimental result are as shown in table 1:
Table 1
In table 1, A class fire: the fire of solid organic matter burning usually will form red-hot ashes after burning；B class fire: liquid
The fire of body or fusible solid combustion.
It can be seen that the use temperature range of embodiment 1-4 is greater than comparative experiments group, applicable for temperature from the experimental data of table 1
It is more extensive to spend range, it is more using fire season；Embodiment 4-6 is powdery extinguishing chemical, and it is more to be applicable in fire type.To
Out, the powdery extinguishing chemical that the embodiment of the present invention obtains, the wide temperature range used, fire type are more.
The extinguishing medium that embodiment 2-7 is prepared carries out extinguishing property experiment, choose 1m × 1m × 1cm plate into
Row fire fighting test lights 30s and puts out a fire later, wherein controlling using the straw of plate surface laying about 1cm thickness as ignition substance
Time is burning time, and attack time is the time required for every kind of extinguishing medium is put out a fire, and the experimental data are shown in the following table shown in 2:
Table 2
It can be concluded that the attack time of embodiment 1-4 is significantly shorter than embodiment 5-6 from the data of table 2, illustrate the present invention
Extinguishing medium made from embodiment 5-6 of the flame retardant property for the extinguishing medium being prepared better than comparative test, and plate of the same race
The adherency water of liquid extinguishing medium is apparently higher than solid powder extinguishing medium on material.Therefore, it can select according to different requirements,
With different types of extinguishing medium of the invention.
In conclusion the neutral water system extinguishing medium of the embodiment of the present invention hinders phosphonium flame retardant and two kinds of nitrogenous flame ratardant
Combustion agent is combined as the main functional component of extinguishing medium, flame retardant property better than the phosphonium flame retardant that same amount is used alone or
Gelling agent and waterglass is added in nitrogenous flame ratardant in water system fire retardant, so that the uniformity of fire retardant and viscosity increase,
Middle pH adjusting agent is for adjusting extinguishing medium as neutrality, and impurity ion content is few in distilled water, can't be to the function of extinguishing medium
Energy ingredient has an adverse effect.Extinguishing medium of the invention had not only had efficient fire-extinguishing function concurrently, but also had good fire-proof function.
Can put out a fire rapidly, improve that residence time of the medicament on comburant is long, the part not caught fire can because be stained with this medicament without
It can be ignited by the fire on periphery, play and prevent fire spreading function, reduce the labor intensity and attack time of fire extinguishing significantly, mention
High fire fighting efficiency.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of neutrality water system extinguishing medium, which is characterized in that the component including following mass fraction:
The phosphonium flame retardant of 23-25%；The nitrogenous flame ratardant of 20-24%；The gelling agent of 4-6%；The waterglass of 8-12%, 2-
5%pH regulator；5-8% surfactant；Surplus is distilled water.
2. neutrality water system extinguishing medium according to claim 1, which is characterized in that the phosphonium flame retardant is triphosphoric acid
Sodium, ammonium dihydrogen phosphate, three (2,3- dibromopropyl) at least one of phosphates and thiophosphoric acid triisocyanate.
3. neutrality water system extinguishing medium according to claim 1, which is characterized in that the nitrogenous flame ratardant be urea,
Ammonium hydrogen carbonate (NH4HCO3), at least two in the chloro- 1,2,5- thiadiazoles of 3- morpholine -4- and melamine cyanurate.
4. neutrality water system extinguishing medium according to claim 1, which is characterized in that the gelling agent is polyglycereol or carboxylic
Sodium carboxymethylcellulose pyce.
5. neutrality water system extinguishing medium according to claim 1, which is characterized in that the surfactant is hexadecane
Base trimethyl ammonium or neopelex.
6. neutrality water system extinguishing medium according to claim 1, which is characterized in that the pH adjusting agent is three ethyl alcohol
One or more of amine, phosphoric acid and citric acid.
7. neutrality water system extinguishing medium according to claim 1-6, which is characterized in that further include 0.2-0.3%
Defoaming agent or a certain amount of silicon powder.
8. a kind of preparation method of neutral water system extinguishing medium described in any one of claims 1-6 characterized by comprising
Material mixing: the distilled water being added in blender first, and the phosphonium flame retardant and nitrogenous resistance is then added
Agent is fired, the revolving speed of blender is adjusted to 100-130r/min, stirs 1.5-1.8h, the gelling agent, surfactant is added
And waterglass, continue to stir 1.0-1.2h, obtains mixed liquor；
PH value is adjusted: the mixed liquor pH value being adjusted to 6.5-7.5 with the pH adjusting agent；
Curing: the mixed liquor for regulating pH value is cured into 6-8h；
Make finished product.
9. according to the method described in claim 8, it is characterized in that, the production finished product includes: will be described in after curing
The defoaming agent of 0.2-0.3% is added in mixed liquor, cures 20-25min, stirs 30 minutes, obtains liquid extinguishing medium.
10. according to the method described in claim 8, it is characterized in that, the production finished product includes: will be described in after curing
Mixed liquor is added a certain amount of silicon powder and stirs and evenly mixs to adhesion, obtains solid-state extinguishing medium.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112169241A (en) * | 2020-10-29 | 2021-01-05 | 安华消防新材料科技（江苏）有限公司 | Water-based aerogel efficient fire extinguishing agent and preparation method thereof |
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| CN101837176A (en) * | 2010-04-22 | 2010-09-22 | 厦门一泰消防科技开发有限公司 | Additive for firefighting water |
| CN102319499A (en) * | 2011-07-19 | 2012-01-18 | 南京理工大学 | Built-up synergetic class-A/B water extinguishing agent series |
| KR20160061608A (en) * | 2014-11-24 | 2016-06-01 | 주식회사 에스켐 | Fire Sealing Composition and Intumescent FireSealing Belt |
| CN106377863A (en) * | 2016-10-14 | 2017-02-08 | 浙江环亚消防新材料股份有限公司 | Water-based extinguishing agent and preparing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112169241A (en) * | 2020-10-29 | 2021-01-05 | 安华消防新材料科技（江苏）有限公司 | Water-based aerogel efficient fire extinguishing agent and preparation method thereof |
| WO2022088654A1 (en) * | 2020-10-29 | 2022-05-05 | 安华消防新材料科技（江苏）有限公司 | Water-based aerogel efficient fire-extinguishing agent and preparation method therefor |
| NL2029260A (en) * | 2020-10-29 | 2023-02-27 | Anhua Fire New Material Tech Jiangsu Co Ltd | Water-based aerogel efficient fire extinguishing agent and preparation method thereof |
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