CN106178376A - A kind of efficiently ABC powder extinguishing agent - Google Patents
A kind of efficiently ABC powder extinguishing agent Download PDFInfo
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- CN106178376A CN106178376A CN201610546474.5A CN201610546474A CN106178376A CN 106178376 A CN106178376 A CN 106178376A CN 201610546474 A CN201610546474 A CN 201610546474A CN 106178376 A CN106178376 A CN 106178376A
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- extinguishing agent
- powder
- map
- powder extinguishing
- mass fraction
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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
- A62D1/0007—Solid extinguishing substances
- A62D1/0014—Powders; Granules
Abstract
The present invention is a kind of key component content ABC powder extinguishing agent more than 90%, it is characterised in that component includes MAP and ammonium sulfate, and MAP mass fraction is more than 75%, and MAP and ammonium sulfate mass fraction sum are more than 90%.Powder granularity is reasonably distributed, and in chassis, MAP content is more than 75%.The advantages such as ABC powder extinguishing agent of the present invention, has key component content high, good extinguishing effect, and production technology is simple, great market potential.
Description
Technical field
The invention belongs to extinguishing chemical field, particularly relate to a kind of efficiently ABC dry-chemical fire extinguishing compositions.
Technical background
The trickle inorganic powder that powder extinguishing agent is had extinguishing ability by one or more forms, and its extinguishing mechanism is as follows:
(1) organoselenocyanate: combustion process is a chain reaction process, OH and H free radical is to maintain burning chain instead
The crucial free radical answered, they have the highest energy, and the most vivaciously, and the life-span is the shortest, once generation, causes next immediately
Step reaction, generates more free radical, makes combustion process be continued and constantly expand.The fire extinguishing component of powder extinguishing agent is combustion
The inert matter burnt, when powder extinguishing agent being joined after combustion zone mixes with flame, the freedom in dry powder powder M and flame
During base contact, on powder surface, and be there is following reaction by instantaneous absorption in free radical:
M (powder)+OH (free radical) → MOH
MOH+H (free radical) → M+H2O
By above-mentioned reaction, by the effect of powder, consume free radical OH and H in combustion reaction.When substantial amounts of powder
When end sprays to flame with mist, the free radical in flame is adsorbed in a large number and is converted, and makes free radical quantity drastically reduce, and causes
Make combustion reaction chain interruption, finally make fray-out of flame.
(2) buffer action.The pressed powder of ejection covers on comburant surface, constitutes the sealing coat hindering burning.Especially
When powder covers up to certain thickness, it is also possible to play the effect preventing resume combustion.
(3) cooling and smothering action.Powder at high temperature can be released water of crystallization or decompose, and it is anti-that these broadly fall into heat absorption
Should, and decompose generation inactive gas can the oxygen purity in dilute combustion region, thus play cooling and suffocate work
With.
According to fire extinguishing kind and use occasion, powder extinguishing agent is broadly divided into 3 types.(1) ABC powder extinguishing agent, uses
In putting out flammable solid, liquids and gases fire；(2) BC powder extinguishing agent, is used for putting out flammable liquid and gas fire；(3)D
Class powder extinguishing agent, is used for putting out combustible metal class fire.
ABC powder extinguishing agent can put out flammable solid (such as the timber etc.) fire that BC dry powder cannot put out, and has fire extinguishing
Efficiency is high, and speed is fast, and raw material sources are extensive, to environment, people and animals' nonhazardous, it is not necessary to special power and use temperature are broad, stream
Dynamic property is good, storage period length, be susceptible to the features such as moisture knot block, good insulating, is widely used.
ABC powder extinguishing agent refers mainly to ammonium phosphate powder extinguishing agent, and MAP therein (NH4H2PO4) rises main
Fire extinguishing function, MAP can form inflaming retarding membrane in solid matter surface after spraying into the scene of a fire, thus by combustible and air
In oxygen keep apart with realize fire extinguishing purpose, according to the difference of ammonium phosphate salt content in extinguishing chemical, fire extinguishing effectiveness is
Different.Ammonium sulfate plays auxiliary fire extinguishing function, and remaining adjuvant has grinding aid, moistureproof agglomeration resistance, increases the functions such as mobility.
The most domestic ABC powder extinguishing agent generally produced contains the MAP of about 50%, the sulphuric acid of about 25%
Ammonium, remaining is adjuvant, and its MAP (NH4H2PO4) content playing main fire extinguishing function is the most on the low side, and extinguishing effect is owed
Good；On the other hand, analyzing theoretically, the ABC powder extinguishing agent diameter of particle ratio less than 0.04mm is the highest, its fire extinguishing effectiveness
The highest, but the ratio that diameter of particle is less than 0.04mm is controlled within 50% by ABC powder extinguishing agent manufacturer at present, and it goes out
Fire usefulness is low, and this is the major defect of current ABC powder extinguishing agent.
Summary of the invention
Efficient ABC powder extinguishing agent of the present invention, refers to that key component MAP (NH4H2PO4) content is more than
75%, MAP (NH4H2PO4) and another key component ammonium sulfate ((NH4) 2SO4) the content sum ABC more than 90% does
Powder extinguishing chemical.This product is that a kind of MAP (NH4H2PO4) content is high, and the diameter of particle ratio less than 0.04mm is high, fire extinguishing
The high-efficiency fire-extinguishant that usefulness is high.
The present invention uses MAP and ammonium sulfate fire extinguishing component, and wherein MAP mass fraction is more than 75%, phosphoric acid
One ammonium and ammonium sulfate mass fraction sum are more than 90%, and to reach sufficient extinguishing effect, diameter of particle is reasonably distributed, and powder body leads to
The ratio crossing 0.25mm standard screen is 100%, and the ratio between 0.04～0.25mm standard screen is 35～45%, passes through
The ratio of 0.04mm standard screen is 55～65%；The present invention passes through in the powder body of 0.04mm standard screen, MAP mass fraction
More than 75%,
Preferably, in the powder body by 0.04mm standard screen, MAP and ammonium sulfate mass fraction sum are big
In 90%.In chassis, active constituent content is high, good extinguishing effect.
Preferably, powder extinguishing agent of the present invention also including, adjuvant, adjuvant and mass fraction are white carbon
1.0～2.5%, quartz sand 1.2～2.6%, silicone oil 0.5～0.9%, Muscovitum 1.2～2.5%, active hargil 1.2～2.0%,
Pigment 0.01～0.02%.Adjuvant can improve the exercise performance of powder extinguishing agent powder body, and improves dry powder bulk density, aqueous
The performance indications such as rate, hydroscopicity, mobility, needle penetration, arrive the purpose of high-effect fire-extinguishing.
Preferably, it is also possible in formula, add the pigment for coloring, go out distinguishing other kinds of dry powder
Fire agent.Pigment can be one or more of the yellow uitramarine such as iron oxide yellow, lead chromate yellow.
ABC powder extinguishing agent of the present invention is through going out A, B, C class performance test, respond well.
It is an advantage of the current invention that:
(1) the efficient ABC powder extinguishing agent product cut size of the present invention is up to 55～65% by 0.04mm standard screen ratio,
And the MAP content of this part dry powder is high, extinguishing property is higher than the ABC power-product in existing market.
(2) adjuvant that the present invention efficient ABC powder extinguishing agent product adds can improve the mobility of powder extinguishing agent powder body
Can, and improve the performance indications such as dry powder bulk density, moisture content, hydroscopicity, mobility, needle penetration, arrive the purpose of high-effect fire-extinguishing.
(3) during the present invention efficient ABC powder extinguishing agent product passes through the powder body of 0.04mm standard screen, MAP and sulphuric acid
Ammonium mass fraction sum is more than 90%；In chassis, active constituent content is high, good extinguishing effect.
The present invention has good social value and economic worth, is suitable for promoting.
Specific embodiment
Embodiment 1:
820 kilograms of purity that the raw material of key component uses our company to produce are 92.71% MAP, wherein ammonium sulfate
Content be 2.62%, other components are bought by market, and the formula after conversion is as follows:
| MAP | Ammonium sulfate | White carbon | Quartz sand | Silicone oil | Muscovitum | Active hargil | Iron oxide yellow |
| 760kg | 152kg | 13kg | 11kg | 6kg | 11kg | 11kg | 0.02kg |
MAP and ammonium sulfate are crushed respectively；All raw materials are all added in Silicification machine according to formula metering and (removes
Silicone oil is outer)；It is stirred and heated to 60 70 DEG C；Spray into the emulsion of silicone oil and water；Silicification reaction 1.5 hours, silicification reaction material
Temperature be 110 115 DEG C；The material that silicification reaction is good is cooled to less than 60 DEG C, screening, packaging, obtain efficient ABC dry powder
Extinguishing chemical product.
The index of the efficient ABC powder extinguishing agent product obtained after siliconized processing is as follows:
Embodiment 2:
810 kilograms of purity that the raw material of key component uses our company to produce are 96.43% MAP, wherein ammonium sulfate
Content be 1.08%, other components are bought by market, and the formula after conversion is as follows:
| MAP | Ammonium sulfate | White carbon | Quartz sand | Silicone oil | Muscovitum | Active hargil | Iron oxide yellow |
| 781kg | 153kg | 25kg | 12kg | 9kg | 25kg | 12kg | 0.01kg |
MAP and ammonium sulfate are crushed respectively；All raw materials are all added in Silicification machine according to formula metering and (removes
Silicone oil is outer)；It is stirred and heated to 65 75 DEG C；Spray into the emulsion of silicone oil and water；Silicification reaction 2.5 hours, silicification reaction material
Temperature be 90 95 DEG C；The material that silicification reaction is good is cooled to less than 60 DEG C, screening, packaging, obtain efficient ABC dry powder and go out
Fire agent product.
The index of the efficient ABC powder extinguishing agent product obtained after siliconized processing is as follows:
Embodiment 3:
816 kilograms of purity that the raw material of key component uses our company to produce are 94.39% MAP, wherein ammonium sulfate
Content be 3.12%, other components are bought by market, and the formula after conversion is as follows:
| MAP | Ammonium sulfate | White carbon | Quartz sand | Silicone oil | Muscovitum | Active hargil | Lead chromate yellow |
| 770kg | 156kg | 10kg | 26kg | 5kg | 15kg | 21kg | 0.01kg |
MAP and ammonium sulfate are crushed respectively；All raw materials are all added in Silicification machine according to formula metering and (removes
Silicone oil is outer)；It is stirred and heated to 75 85 DEG C；Spray into the emulsion of silicone oil and water；Silicification reaction 2 hours, silicification reaction material
Temperature is 105 110 DEG C；The material that silicification reaction is good is cooled to less than 60 DEG C, screening, packaging, obtain efficient ABC dry powder and go out
Fire agent product.
The index of the efficient ABC powder extinguishing agent product obtained after siliconized processing is as follows:
Embodiment 4: go out A class fire performance test
According to A class fire performance test requirement of going out, prepare 3kg dry powder extinguisher, timber drimeter, stopwatch, fuel etc., build
Test model, comprises a square grillage being barricaded as by batten, and its length of side is equal to the length of batten, and test model batten is
Pinus massoniana Lamb, Pass Test requirement after suitably processing, in the case of Pass Test condition, the dry powder produced with above-mentioned our company goes out
Fire agent, tests according to test procedure, and its result is as follows:
Embodiment 5: go out B, C class fire performance test
According to B, C class fire performance test requirement of going out, prepare the special dry powder extinguishing installation of 3kg, steel food tray, stopwatch, wind speed
Instrument, demarcation measuring cup, fuel, dry powder extinguishing installation special to 3kg is calibrated, and adds the powder extinguishing agent that our company produces,
In the case of Pass Test condition, testing according to test procedure, its result is as follows:
。
Claims (5)
1. an efficient ABC powder extinguishing agent, including MAP, ammonium sulfate, it is characterised in that MAP mass fraction is big
In 75%, MAP and ammonium sulfate mass fraction sum are more than 90%；Described powder extinguishing agent powder body passes through 0.25 mm standard screen
Ratio be 100%, the ratio between 0.04～0.25mm standard screen is 35～45%, by the ratio of 0.04mm standard screen
It is 55～65%；Further, in the powder body by 0.04mm standard screen, MAP mass fraction is more than 75%.
Powder extinguishing agent the most according to claim 1, it is characterised in that in the powder body by 0.04mm standard screen, phosphorus
Acid one ammonium and ammonium sulfate mass fraction sum are more than 90%.
Powder extinguishing agent the most according to claim 1, it is characterised in that also include adjuvant, adjuvant includes white carbon, quartz
Sand, silicone oil, Muscovitum, active hargil, pigment.
Powder extinguishing agent the most according to claim 3, it is characterised in that adjuvant mass fraction be white carbon 1.0～
2.5%, quartz sand 1.2～2.6%, silicone oil 0.5～0.9%, Muscovitum 1.2～2.5%, active hargil 1.2～2.0%, pigment
0.01～0.02%.
Powder extinguishing agent the most according to claim 3, it is characterised in that described pigment is the yellow face such as iron oxide yellow, lead chromate yellow
One or more of material.
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| CN201610546474.5A CN106178376B (en) | 2016-07-13 | 2016-07-13 | A kind of efficient ABC powder extinguishing agent |
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| CN201610546474.5A CN106178376B (en) | 2016-07-13 | 2016-07-13 | A kind of efficient ABC powder extinguishing agent |
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| CN106178376A true CN106178376A (en) | 2016-12-07 |
| CN106178376B CN106178376B (en) | 2019-04-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054015A (en) * | 2019-12-13 | 2020-04-24 | 海天消防科技股份有限公司 | Novel combined dry powder extinguishing agent and preparation method thereof |
| CN111115596A (en) * | 2019-12-23 | 2020-05-08 | 贵州川恒化工股份有限公司 | Production method of monoammonium phosphate and ABC dry powder extinguishing agent for fire fighting |
| CN111420338A (en) * | 2020-05-12 | 2020-07-17 | 安徽科技学院 | Method for preparing efficient environment-friendly fire extinguishing agent by utilizing quartz sand tailings |
| WO2023057033A1 (en) * | 2021-10-04 | 2023-04-13 | Alsoor Chemical Materials & Petroleum Trading Co L.Lc | Fire extinguishing powder for all types of fire |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054015A (en) * | 2019-12-13 | 2020-04-24 | 海天消防科技股份有限公司 | Novel combined dry powder extinguishing agent and preparation method thereof |
| CN111115596A (en) * | 2019-12-23 | 2020-05-08 | 贵州川恒化工股份有限公司 | Production method of monoammonium phosphate and ABC dry powder extinguishing agent for fire fighting |
| CN111115596B (en) * | 2019-12-23 | 2023-02-14 | 贵州川恒化工股份有限公司 | Production method of monoammonium phosphate and ABC dry powder extinguishing agent for fire fighting |
| CN111420338A (en) * | 2020-05-12 | 2020-07-17 | 安徽科技学院 | Method for preparing efficient environment-friendly fire extinguishing agent by utilizing quartz sand tailings |
| CN111420338B (en) * | 2020-05-12 | 2021-05-18 | 安徽科技学院 | Method for preparing efficient environment-friendly fire extinguishing agent by utilizing quartz sand tailings |
| WO2023057033A1 (en) * | 2021-10-04 | 2023-04-13 | Alsoor Chemical Materials & Petroleum Trading Co L.Lc | Fire extinguishing powder for all types of fire |
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| CN106178376B (en) | 2019-04-12 |
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