CN106861108A - A kind of dry-chemical fire extinguishing composition - Google Patents
A kind of dry-chemical fire extinguishing composition Download PDFInfo
- Publication number
- CN106861108A CN106861108A CN201710216220.1A CN201710216220A CN106861108A CN 106861108 A CN106861108 A CN 106861108A CN 201710216220 A CN201710216220 A CN 201710216220A CN 106861108 A CN106861108 A CN 106861108A
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- China
- Prior art keywords
- composition
- fire
- composition according
- melamine
- extinguishing
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0007—Solid extinguishing substances
- A62D1/0014—Powders; Granules
-
- 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
Abstract
The invention discloses a kind of dry-chemical fire extinguishing composition, specially at least by containing following components：Bicarbonate or its hydrate；Silica or zeolite；Melamine salt；Talcum powder.Said composition is not limited to be used alone, it is also possible to used as the additive of existing dry powder, or directly filling existing powder installation.The fire-extinguishing composite have it is following a little：Be difficult resume combustion, efficiency high, it is pollution-free, do not have that corrosivity, price are relatively low, be widely used.
Description
Technical field
The invention belongs to powder base fire-extinguishing composite, and in particular to a kind of dry-chemical fire extinguishing composition.
Background technology
The number that fire is died from the whole world every year can reach more than 70,000 people, can also be with substantial amounts of property loss, fire-fighting
It is all the time owner's all unusual concerns.Extinguishing chemical from the water of most original, Kazakhstan dragon, dry powder, foam finally etc.
All played the part of extremely important effect at different aspects Deng extinguishing chemical.But in this all types of fire extinguisher, with people
Most closely bound up is but the dry powder extinguisher being seen everywhere, minimum portable dry powder extinguisher, larger to have cart type
For the fire extinguishing in larger place.
The principle of all fire extinguishers is the purpose that fire extinguishing is reached by blocking combustion reaction, such as most common clear water
Fire extinguishing, just only directly cooling and an a certain degree of smothering action, substantial amounts of water directly by the temperature of burning things which may cause a fire disaster be down to burning-point with
Under, a large amount of vapor also dilute the oxygen content in surrounding air, water layer formed moisture film it is a certain degree of by burning things which may cause a fire disaster and oxygen every
Absolutely so as to reach fire extinguishing purpose, although water is most common extinguishing chemical, but the fire extinguishing property of water also defines his purposes not
Conventional appliance fire, fuel fire etc. can be covered.Foam annihilator produces great amount of carbon dioxide by instant chemical reaction
Gas and foam are attached to body surface, starvation, burning things which may cause a fire disaster of lowering the temperature, and it equally cannot be used for the fire such as electrical equipment with clear water extinguishing chemical
Source.Halon fire agent is because containing a large amount of halogens, the toxic gas produced after fire extinguishing causes the shadow of unrepairable to ozone layer
Ring, therefore do not advocate gradually and use, but itself have excellent extinguishing property, only have specific use in specific area,
The fire extinguishing of such as precision instrument.Dry powder extinguisher combine foam fire-fighting, breathe out dragon fire extinguishing etc. advantage, it is nontoxic, corrosion-free, for
Environment is safe from harm, and has very effective fire extinguishing function for naked light burning common in life.It is inflammable in such as living
Oil, electrical equipment, clothing, the burning of xyloid material etc..Powder extinguishing agent is the drying for putting out a fire and readily flowed fine powder
End, by the inorganic salts with fire extinguishing effectiveness and a small amount of additive through drying, crush, mix micro-solid powder constituent；
At present, the majority for being used in fire fighting and rescues such as hotel, restaurant, cinema, hospital, schools is ammonium phosphate dry-powder fire extinguishing
Device, is most commonly seen fire extinguisher.
The portable dry powder extinguisher most wide for presently the most universal, purposes, although spread all at one's side it is more, but not
Sufficient storage level, once the intensity of a fire is larger, can not play a part of to put out a fire completely, it is therefore necessary to improve constantly dry powder
Extinguishing property, in the case that fire extinguisher quantity is certain at one's side, can put out a fire to greatest extent；On the other hand fire extinguishing effect is improved
Rate is always the important pursuit of dry-chemical fire extinguishing.
The content of the invention
The present invention discloses a kind of efficient dry-chemical fire extinguishing composition for the fire-fighting efficiency of powder extinguishing agent, and said composition is not
It is confined to be used alone, it is also possible to as the additive of existing dry powder, or directly filling existing powder installation.
Dry-chemical fire extinguishing composition of the invention is at least by containing following components：Bicarbonate or its hydrate；Silica
Or zeolite；Melamine salt；Talcum powder.
Wherein bicarbonate is selected from：Sodium acid carbonate, saleratus, ammonium hydrogen carbonate or its hydrate.Account for the weight of composition
Percentage is 10-30%.
Zeolite is that alumino-silicate is referred to as, and conventional zeolite can be used for the present invention, for example analcime, chabasie, scolecite,
Heulandite, sodalite, modenite, foresite etc., and NaY, 13X, 10X type etc..Wherein silica or zeolite account for combination
The percentage by weight of thing is 45-75%.
Prior art is the lifting for having forward direction, the present invention two it has been shown that the particle diameter of dry powder is smaller, for extinguishing effect
The average grain diameter of silica or zeolite is not more than 40 microns, preferably no greater than 30 microns, more preferably no more than 20 microns, more preferably
No more than 10 microns.At present by ball mill, supersonic jet mill etc. can reach 10 microns of average grain diameter and its with
Under level.Other solid constituents are also applicable above-mentioned theory, preferably small particle.It is and titanium dioxide in the case of without explanation
The average grain diameter of silicon or the same rank of zeolite.
Wherein melamine salt is selected from：Melamine phosphate, melamine polyphosphate, melamine pyrophosphoric
Salt, young laying ducks in cage melamine salt etc..The percentage by weight that it accounts for composition is 5-15%.
The percentage by weight that wherein talcum powder accounts for composition is 5-10%.
Composition of the present invention preferably further contains the ferrocene of 0-5% weight.
Go out outside above-mentioned necessary composition, the present composition can also contain the conventional dry powder group in other more this areas
Point, such as atlapulgite, ammonium hydrogen phosphate, anticaking agent, anti-blushing agent, calcium hydroxide, sodium phosphate, potassium sulfate, magnesium stearate, tristearin
Sour calcium, odium stearate, potassium stearate, mica powder, methyl-silicone oil, ethyl silicon oil etc..Also for example kaolin, bentonite, illiteracy are de-
The phosphoric acid salts such as soil, APP.Also such as sodium metasilicate or its hydrate.
The phosphoric acid salt of melamine is in itself expansion type flame retardant, is scattered in dry powder composite, due to trimerization
Cyanamide salt produces a series of inert gas such as carbon dioxide, ammonia, nitrogen etc. on the one hand big in high score decomposable process
Big dilution can surrounding environment air, on the one hand easily adsorbed by silica or zeolite etc., at the same time silica or boiling
Itself there is stone flour dirt excellent extinguishing property such as rapid subsidence, low stain, big specific surface area, sodium ion free radical to catch
Adsorption capacity, the heat resistance in capacitation power and duct etc., and the phosphoric acid salt of melamine forms sticky after being thermally decomposed
Phosphoric acid, polyphosphoric acid etc. can form one layer of separation layer in dust and be attached to comburant surface, reach the purpose of isolation.Therefore should
Composition quickly can form one layer of isolation layer on pyrogen surface, absorb free radical and starvation, reach rapid, high-effect fire-extinguishing
Effect.Other components such as bicarbonate and other conventional constituents in composition can further improve extinguishing property.
Therefore, the fire-extinguishing composite have it is following a little：Be difficult resume combustion, efficiency high, it is pollution-free, do not have corrosivity, price it is relatively low,
It is widely used.
Composition properties are measured according to national standard 4066-2004.
Specific embodiment
Embodiment
Properties of product
The food tray of fire fighting test 1. is tested, diameter 50cm depth 5cm iron disks, and bottom injection 1cm water prevents the temperature distortion of iron pan bottom
Influence fire fighting test, injection 3cm thickness day commonly uses No. 92 gasoline, and burning 20s fully burns and starts fire extinguishing.By the composition of this product
Respectively A separately as extinguishing chemical, B50% replace ammonium hydrogen phosphate be made as nitrogen drive the portable dry powder extinguishers of 1.2MPa, and with
The ammonium hydrogen phosphate dry powder extinguisher that C nitrogen 1.2MPA drives carries out fire fighting test, dry powder loadings 1000g, steel cylinder 2kg for control
（Other experiment fire extinguishers are identical with this experiment）, jet length 2m.ABC uses fire extinguisher identical, records attack time/second
S () is to open fire extinguisher to fiery fall time, and fire extinguisher mass decrement/g before and after is fire extinguishing total using nitrogen and dry powder
Amount.
All experiments are without resume combustion.Experimental result be can be seen that when use separately as extinguishing chemical, and the present invention is obtained
Extraordinary result, efficiency high.
Fire fighting test 2. uses pine, and an inside of iron drum of diameter 1m depths 0.5m is piled up at random, sprays appropriate kerosene and ignites,
Burning 5 minutes completely and wood substantially carries out combustion reaction, jet length 2m, all spray to kerosene burning, record resume combustion with
And steel cylinder weightening.
Result can be seen that because the specific composition of melamine phosphate of the present invention can successfully put out wood fire,
Because " separation layer " that is formed in wood is such that wood is difficult resume combustion, and spraying rate higher is embodied.
The analog family kitchen of fire fighting test 3., in one 6 square metres of room, Gas stove combustion heating, casting iron pan
50mL soybean oils are inside put into, big fire is heated to spontaneous combustion, are carried out at 1.5m (due to kitchen space limitation, it is difficult to far
Fang Jinhang sprays, and this also for simulating truth to greatest extent)；Six kinds of extinguishing chemicals of the invention can completely knock out cast iron
The oil firing and kitchen range flame of pot, ammonium hydrogen phosphate do not complete fire extinguishing then.Suggestion using the present invention go out cooking fire when, put out a fire
Into rear rapid cut-out combustion gas, gas leakage is otherwise easily caused, cause danger.
It can be seen that, fire extinguisher of the present invention has very efficient, extensive extinguishing property.Above-mentioned specific embodiment is only card
The premium properties of the bright present composition, it will be appreciated that under the teachings of the present invention, deformation or improvement for such scheme are all
Belong in protection scope of the present invention.
Claims (9)
1. a kind of dry-chemical fire extinguishing composition, it is characterised in that at least by containing following components：
Bicarbonate or its hydrate；Silica or zeolite；Melamine salt；Talcum powder.
2. composition according to claim 1, wherein bicarbonate is selected from：Sodium acid carbonate, saleratus, ammonium hydrogen carbonate or
Its hydrate.
3. the percentage by weight that composition according to claim 1, wherein bicarbonate account for composition is 10-30%.
4. the percentage by weight that composition according to claim 1, wherein silica or zeolite account for composition is 45-
75%。
5. composition according to claim 1, wherein melamine salt is selected from：Melamine phosphate, melamine
Quadrafos, melamine pyrophosphate, young laying ducks in cage melamine salt.
6. composition according to claim 1, the percentage by weight that wherein melamine salt derivative accounts for composition is
5-15%。
7. the percentage by weight that composition according to claim 1, wherein talcum powder account for composition is 5-10%.
8. composition according to claim 1, it is characterised in that：It is micro- that the average grain diameter of silica or zeolite is not more than 40
Rice.
9. the composition according to claim 1-8 further contains appropriate ferrocene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216220.1A CN106861108A (en) | 2017-04-05 | 2017-04-05 | A kind of dry-chemical fire extinguishing composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216220.1A CN106861108A (en) | 2017-04-05 | 2017-04-05 | A kind of dry-chemical fire extinguishing composition |
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| CN106861108A true CN106861108A (en) | 2017-06-20 |
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| CN201710216220.1A Pending CN106861108A (en) | 2017-04-05 | 2017-04-05 | A kind of dry-chemical fire extinguishing composition |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376184A (en) * | 2017-09-13 | 2017-11-24 | 公安部四川消防研究所 | A kind of ABC classes powder extinguishing agent and preparation method thereof |
| CN107648783A (en) * | 2017-11-10 | 2018-02-02 | 蚌埠市龙泰消防有限公司 | A kind of preparation method of new A BC powder extinguishing agents |
| CN107754200A (en) * | 2017-11-10 | 2018-03-06 | 蚌埠市龙泰消防有限公司 | A kind of anti-resume combustion powder extinguishing agent and preparation method thereof |
| CN108619651A (en) * | 2018-06-12 | 2018-10-09 | 安徽科技学院 | A kind of preparation method of high effective green environmentally friendly type extinguishing chemical |
| CN109021918A (en) * | 2018-07-02 | 2018-12-18 | 河南理工大学 | A kind of preparation method of low-carbon mixed gas hydrate Explosion suppressant |
| CN111589041A (en) * | 2020-04-30 | 2020-08-28 | 中国人民解放军92228部队 | Anti-reburning composite dry powder extinguishing agent and preparation method thereof |
| CN111663956A (en) * | 2020-06-15 | 2020-09-15 | 重庆大学 | Catalytic composite powder explosion suppression material and preparation method thereof |
| CN112245855A (en) * | 2020-10-28 | 2021-01-22 | 东北大学 | Method and device for preparing dry powder extinguishing agent by using waste water from zeolite treatment synthesized from fly ash |
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| JPH07313618A (en) * | 1994-05-30 | 1995-12-05 | Mitsui Toatsu Chem Inc | Fire extinguishing powder |
| CN102179027A (en) * | 2010-09-16 | 2011-09-14 | 陕西坚瑞消防股份有限公司 | Ferrocene extinguishing composition |
| CN102949801A (en) * | 2011-08-16 | 2013-03-06 | 陕西坚瑞消防股份有限公司 | Novel fire-extinguishing composition |
| CN102974066A (en) * | 2012-11-19 | 2013-03-20 | 浙江福兴消防设备有限公司 | High-efficiency ABC superfine dry powder extinguishing agent and preparation method thereof |
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| JPH07313618A (en) * | 1994-05-30 | 1995-12-05 | Mitsui Toatsu Chem Inc | Fire extinguishing powder |
| CN102179027A (en) * | 2010-09-16 | 2011-09-14 | 陕西坚瑞消防股份有限公司 | Ferrocene extinguishing composition |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376184A (en) * | 2017-09-13 | 2017-11-24 | 公安部四川消防研究所 | A kind of ABC classes powder extinguishing agent and preparation method thereof |
| CN107648783A (en) * | 2017-11-10 | 2018-02-02 | 蚌埠市龙泰消防有限公司 | A kind of preparation method of new A BC powder extinguishing agents |
| CN107754200A (en) * | 2017-11-10 | 2018-03-06 | 蚌埠市龙泰消防有限公司 | A kind of anti-resume combustion powder extinguishing agent and preparation method thereof |
| CN108619651A (en) * | 2018-06-12 | 2018-10-09 | 安徽科技学院 | A kind of preparation method of high effective green environmentally friendly type extinguishing chemical |
| CN109021918A (en) * | 2018-07-02 | 2018-12-18 | 河南理工大学 | A kind of preparation method of low-carbon mixed gas hydrate Explosion suppressant |
| CN109021918B (en) * | 2018-07-02 | 2020-11-24 | 河南理工大学 | Preparation method of low-carbon mixed gas hydrate explosion suppressant |
| CN111589041A (en) * | 2020-04-30 | 2020-08-28 | 中国人民解放军92228部队 | Anti-reburning composite dry powder extinguishing agent and preparation method thereof |
| CN111589041B (en) * | 2020-04-30 | 2021-11-05 | 中国人民解放军92228部队 | Anti-reburning composite dry powder extinguishing agent and preparation method thereof |
| CN111663956A (en) * | 2020-06-15 | 2020-09-15 | 重庆大学 | Catalytic composite powder explosion suppression material and preparation method thereof |
| CN112245855A (en) * | 2020-10-28 | 2021-01-22 | 东北大学 | Method and device for preparing dry powder extinguishing agent by using waste water from zeolite treatment synthesized from fly ash |
| CN112245855B (en) * | 2020-10-28 | 2021-05-07 | 东北大学 | Method and device for preparing dry powder extinguishing agent by using waste water from zeolite treatment synthesized from fly ash |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20181121 Address after: 362300 Meilin Baisha Industrial Zone, Nanan City, Quanzhou City, Fujian Province (Group 3, Baisha Village) Applicant after: Hengdun Fire Technology Co., Ltd. Address before: 362300 Meilin Baisha Industrial Zone, Nanan City, Quanzhou City, Fujian Province (Group 3, Baisha Village) Applicant before: FUJIAN PROVINCE NANAN CITY HENG DUN FIRE SUPPORTING PLANT |
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Application publication date: 20170620 |
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