CN105169614B - A kind of hand-held fire extinguisher aerosol extinguishing agent and preparation method thereof - Google Patents

A kind of hand-held fire extinguisher aerosol extinguishing agent and preparation method thereof Download PDF

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Publication number
CN105169614B
CN105169614B CN201510557015.2A CN201510557015A CN105169614B CN 105169614 B CN105169614 B CN 105169614B CN 201510557015 A CN201510557015 A CN 201510557015A CN 105169614 B CN105169614 B CN 105169614B
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phenolic resin
extinguishing chemical
extinguishing
fire extinguisher
preparation
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CN105169614A (en
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李忠
刘红
周玉清
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Suzhou Long Port Fire Control Equipment Co Ltd
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Suzhou Long Port Fire Control Equipment Co Ltd
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Abstract

The invention discloses a kind of hand-held fire extinguisher aerosol extinguishing agent extremely preparation method, the extinguishing chemical by mass percentage, including following component:Potassium nitrate 44% ~ 62%, potassium hyperchlorate 5% ~ 10%, ammonium nitrate 3% ~ 8%, iron oxide 0.5% ~ 1.5%, melamine 10% ~ 25%, phenolic resin 5% ~ 9%, nitroguanidine 5% ~ 12%.Its preparation process is as follows:The part phenolic resin is dissolved with alcohol, the potassium nitrate, the potassium hyperchlorate, the ammonium nitrate, the iron oxide, the melamine, the nitroguanidine and the remaining phenolic resin is then added, it is in bulk to be mixed evenly, sieving is granulated, is dry, compression moulding.The extinguishing chemical ingredient is simple, of low cost, and preparation process is easy to implement and safe and reliable, and the compatibility between each component in extinguishing chemical is good, and the combustion heat value of the extinguishing chemical is low, safe to use, extinguishing ability is strong, and residue is few after burning.

Description

A kind of hand-held fire extinguisher aerosol extinguishing agent and preparation method thereof
Technical field
The present invention relates to aerosol fire-extinguishing technical field, more particularly to a kind of hand-held fire extinguisher aerosol extinguishing agent and Preparation method.
Background technology
Aerosol fire-extinguishing technology is the novel high-tech fire-fighting technique to grow up on the basis of military pyrotechnic, early in This technology for large oil tank smoke fire extinguishing and is achieved important breakthrough by the scientific and technical personnel in the sixties in last century China, this It is exactly the aerosol technology of early stage.Last century the eighties, former Soviet Union scientific worker, having tested successfully can be in a manner of total flooding The aerosol technology of fire extinguishing, the technology are that the substitution studies of the imperial fire-fighting technique in Kazakhstan open a new approach.
Its extinguishing mechanism is the hairs such as active group such as O, H, N, OH in the solid tiny particle and flame that are generated by burning Biochemical and physical action is prevented combustion reaction from persistently going on, is reached with this to cut off the chain reaction burnt To the effect of fire extinguishing, extinguishing property is high, non-secondary pollution.
And existing aerosol extinguishing agent is typically using potassium nitrate as oxidant, the K-type hot aerosol based on sylvite goes out Fiery gas-forming agent, fire extinguishing effectiveness is preferable, but due to the product K after reflection2O easily absorbs the moisture in air and tide occurs Solution, and then the equipment in corrosion protection area and file, it is serious to lead to equipment scrapping;Meanwhile the aerosol extinguishing agent is by electricity When thermal starting, medicament reaction temperature is up to 1000 DEG C or more in reative cell, and the hot aerosol gas generated in this way goes out via device Mouthful when, the phenomenon that temperature is still up to 700 DEG C or so, and this high temperature can cause precision instrument and vital document to burn again, produces It is raw.
Ideal hot aerosol fire-suppressant gas is that there is the gas wrapping of fire extinguishing effect the specific solid for having fire extinguishing effect The blast that particle is generated with chemical reaction is suspended in the air, ground cut-through object is diffused, due to thermodynamics and molecular dynamics Principle, track burning things which may cause a fire disaster at heat put out a fire for ignition point.It is generated during putting out a fire in this gas, if solid The grain size of body particle is too big, then gas cannot carry, and particle can settle quickly, does not have the effect put out a fire completely;But If particle have it is too small, and be easy driven by air-flow, possibly remote from ignition point or fire location, do not have project verification equally yet Extinguishing effect.In terms of the quantifier elimination for solid particle, if every element in the formula of medicament matches unreasonable, meeting Cause gas flow few, amount is on the high side, cannot equally play the role of effective fire extinguishing.
Invention content
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of hand-held fire extinguisher aerosol extinguishing agent and Preparation method, the fire extinguishing agent prescription is simple, and ignition temperature is low, safety coefficient is high, blasting effect is good.
In order to achieve the above objectives, the technical solution adopted by the present invention is:A kind of hand-held fire extinguisher aerosol extinguishing agent, The extinguishing chemical by mass percentage, including following component:Potassium nitrate 44% ~ 62%, potassium hyperchlorate 5% ~ 10%, ammonium nitrate 3% ~ 8%, iron oxide 0.5% ~ 1.5%, melamine 10% ~ 25%, phenolic resin 5% ~ 9%, nitroguanidine 5% ~ 12%.
It is described it is a further object to provide the preparation method of above-mentioned hand-held fire extinguisher aerosol extinguishing agent The specific preparation process of extinguishing chemical is as follows:The part phenolic resin is dissolved with alcohol, the potassium nitrate, described is then added Potassium hyperchlorate, the ammonium nitrate, the iron oxide, the melamine, the nitroguanidine and the remaining phenolic resin mix Conjunction is stirred evenly in bulk, and sieving is granulated, is dry, compression moulding.
Specifically, in the extinguishing chemical pressing process, also mixing is added with single-base powder and aquadag, the single-base powder Dosage be the extinguishing chemical gross mass 6% ~ 15%;The dosage of the aquadag is the extinguishing chemical gross mass 0.3%~0.8%。
Specifically, when the phenolic resin described using alcohol dissolving part, the volume matter of the alcohol and the phenolic resin Amount is than being 95 ~ 98:2~5.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art:
1)The hand-held fire extinguisher aerosol extinguishing agent of the present invention, formula is simple, and preparation process is simple, it is real to be easy to Apply, and its safe preparation process coefficient is high, using the extinguishing chemical fire extinguisher in use, ignition security is reliable, starts Igniting basic synchronization, from igniting to medicament, the eruption time can complete in one second;
2)The fire extinguisher of the extinguishing chemical is used in fire extinguishing, it is 10 ± 1 seconds persistently to erupt the time, and extinguishing ability is strong;
3)The fire extinguisher of the extinguishing chemical is used in fire extinguishing, ignition temperature is low, the residue of generation is few, the heat in fire extinguisher It is worth small, fire extinguisher housing parts temperature is relatively low, to human body especially portion of the handle fanout free region;
4)Each COMPONENTS COMPATIBILITY in the extinguishing chemical is good, and storage time is long, and the storage trial period was up to 5 years or more;
5)The fire extinguisher effect of igniting for using the extinguishing chemical is good, has lighted a fire successfully and the reliability spurted of burning is high, and The manufacturing cost of the extinguishing chemical is cheap;
6)Nitroguanidine is used in the formula of the extinguishing chemical, and is added to single-base powder in pressing process, is not only increased Gas production, while fire extinguisher can prevent from occurring the phenomenon that string fire and cutoff during spurting, and ensure that the duration spurted;
7)The extinguishing chemical mixes be added to aquadag after the pelletizing, since the electric conductivity of aquadag, lubricity are easy to Demoulding improves antistatic property in pressing process and improves the safety of pressing process.
Specific implementation mode
Technical scheme of the present invention is further elaborated with reference to specific embodiment.
Experiment condition in embodiment is as follows:1)Potassium nitrate, potassium hyperchlorate, iron oxide are industrial level-one, purity >= 99%, moisture content≤0.5%;2)Ammonium nitrate is the non-fertilizer type raw material of industrial level-one, purity >=98.5%, moisture content≤0.7%;3) Melamine, nitroguanidine are industrial level-one, purity >=99.5%, the mesh of granularity≤100;4)Phenolic resin is graininess, is included miscellaneous Matter is few, after being dissolved in industrial alcohol, without apparent suspended impurity;5)Alcohol for dissolving phenolic resin is industrial level-one, is had Imitate content >=98.5%.
Embodiment 1
A kind of hand-held fire extinguisher extinguishing chemical is uniformly mixed by the raw material of following mass percent:Potassium nitrate 44%, potassium hyperchlorate 9%, ammonium nitrate 7%, iron oxide 1.1%, melamine 19.9%, phenolic resin 8%, nitroguanidine 11%.
When preparation, 1)Potassium nitrate, potassium hyperchlorate, ammonium nitrate, iron oxide, nitroguanidine are first crushed, when crushing avoids It is also easy to produce the ironware of spark using steel etc., in the state of completely eliminating electrostatic, raw material is crushed, is sieved with 100 mesh sieve, is waited for With;2)Then remaining raw material is respectively sieved with 100 mesh sieve, the larger residue of removal particle;3)With alcohol by part phenolic resin Phenolic resin alcoholic solution is made in dissolving, and the volume mass of the alcohol and phenolic resin is than controlling 95 ~ 98:2~5,;4)By its Remaining raw material is added in phenolic resin alcoholic solution, is quickly stirred into bulk, is granulated;5)Sieving is granulated, and selects 10 mesh sieve, Sieving is forced with scraper plate, is then sieved, is dried for certified products under taking 10 mesh to sieve, on 40 mesh sieve;6)When dry, use 60 DEG C of water oven dryings, are sure not to use electric dry oven;7)When the particle temperature made is down to room temperature, by accounting for the extinguishing chemical quality hundred Divide the ratio than 7% to be mixed into single-base powder, and No. 00 aquadag is mixed into the ratio for accounting for the extinguishing chemical mass percent 0.5%, mixes After closing uniformly, is packed, sealed.
Herein, the phenolic resin part as adhesive, another part as fuel agent.
Group lease making in the extinguishing chemical of the present invention is granulated the graininess sphere for being in and is easy to compression moulding, and generating structure is closely knit Powder column, after-combustion of igniting are stablized, and the fire extinguishing component content of generation is high, and the corrosivity of reaction product is smaller, and due to iron oxide The rabbit of equal cooxidants had not only improved reaction speed simultaneously but also can open the double effects of colorant, additional single-base powder energy Keep powder column combustion completion steady, the amount of inert gas of generation is big, and extinguishing effect significantly improves and combustion reaction generation heat is small, belongs to Cold pyrotechnic compound ingredient plays certain effect in terms of preventing string fire and cutoff, safe.
Embodiment 2
A kind of hand-held fire extinguisher extinguishing chemical of the present embodiment uniformly mixes system by the raw material of following mass percent At:Potassium nitrate 53%, potassium hyperchlorate 6%, ammonium nitrate 6%, iron oxide 0.8%, melamine 17%, phenolic resin 8.2%, nitroguanidine 9%.Preparation method is the same as embodiment 1.
Embodiment 3
A kind of hand-held fire extinguisher extinguishing chemical of the present embodiment uniformly mixes system by the raw material of following mass percent At:Potassium nitrate 62%, potassium hyperchlorate 5.8%, ammonium nitrate 6.5%, iron oxide 1%, melamine 10.5%, phenolic resin 7.3%, nitro Guanidine 6.9%.Preparation method is the same as embodiment 1.
Embodiment 4
A kind of hand-held fire extinguisher extinguishing chemical of the present embodiment uniformly mixes system by the raw material of following mass percent At:Potassium nitrate 54.5%, potassium hyperchlorate 5%, ammonium nitrate 5.5%, iron oxide 1.3%, melamine 15.5%, phenolic resin 7%, nitro Guanidine 11.2%.Preparation method is the same as embodiment 1.
Embodiment 5
A kind of hand-held fire extinguisher extinguishing chemical of the present embodiment uniformly mixes system by the raw material of following mass percent At:Potassium nitrate 52.9%, potassium hyperchlorate 7.5%, ammonium nitrate 5.8%, iron oxide 1.1%, melamine 15.9%, phenolic resin 7.3%, Nitroguanidine 9.5%.Preparation method is the same as embodiment 1.
Embodiment 6
A kind of hand-held fire extinguisher extinguishing chemical of the present embodiment uniformly mixes system by the raw material of following mass percent At:Potassium nitrate 48.1%, potassium hyperchlorate 10%, ammonium nitrate 6%, iron oxide 0.9%, melamine 16%, phenolic resin 8.1%, nitro Guanidine 10.9%.Preparation method is the same as embodiment 1.
Embodiment 7
A kind of hand-held fire extinguisher extinguishing chemical of the present embodiment uniformly mixes system by the raw material of following mass percent At:Potassium nitrate 54.2%, potassium hyperchlorate 8.1%, ammonium nitrate 3%, iron oxide 0.8%, melamine 15.5%, phenolic resin 7.6%, nitre Base guanidine 10.8%.Preparation method is the same as embodiment 1.
Embodiment 8
A kind of hand-held fire extinguisher extinguishing chemical of the present embodiment uniformly mixes system by the raw material of following mass percent At:Potassium nitrate 47.5%, potassium hyperchlorate 8.9%, ammonium nitrate 5.5%, iron oxide 1.3%, melamine 19%, phenolic resin 8.2%, nitre Base guanidine 9.6%.Preparation method is the same as embodiment 1.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (2)

1. a kind of preparation method of hand-held fire extinguisher aerosol extinguishing agent, which is characterized in that the specific system of the extinguishing chemical It is standby that steps are as follows:Part phenolic resin is dissolved with alcohol, potassium nitrate, potassium hyperchlorate, ammonium nitrate, iron oxide, three are then added Poly cyanamid, nitroguanidine and remaining phenolic resin are mixed evenly in bulk, and sieving is granulated, is dry, compression moulding, The extinguishing chemical by mass percentage, including following component:Potassium nitrate 44%~62%, potassium hyperchlorate 5%~10%, nitric acid Ammonium 3%~8%, iron oxide 0.5%~1.5%, melamine 10%~25%, phenolic resin 5%~9%, nitroguanidine 5%~ 12%, in the extinguishing chemical pressing process, also mixing is added with single-base powder and aquadag, and the dosage of the single-base powder is The 6%~15% of the extinguishing chemical gross mass;The dosage of the aquadag be the extinguishing chemical gross mass 0.3%~ 0.8%.
2. the preparation method of hand-held fire extinguisher aerosol extinguishing agent as described in claim 1, which is characterized in that use wine When the essence dissolving part phenolic resin, the volume mass ratio of the alcohol and the phenolic resin is 95~98:2~5.
CN201510557015.2A 2015-09-06 2015-09-06 A kind of hand-held fire extinguisher aerosol extinguishing agent and preparation method thereof Active CN105169614B (en)

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CN105597259B (en) * 2016-03-04 2018-08-28 湖北海山科技有限公司 A kind of rapidly and efficiently aerosol extinguishing agent and preparation method
CN107445782B (en) * 2017-08-10 2019-07-26 陕西远成消防工程设备有限公司 Extinguishing device gas generating agent and preparation method thereof
CN107754199A (en) * 2017-11-10 2018-03-06 蚌埠市龙泰消防有限公司 A kind of compound type aerosol extinguishing agent
CN110686947B (en) * 2019-10-08 2022-07-29 应急管理部天津消防研究所 High-boiling-point gas extinguishing agent compatibility testing device and method

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RU2022589C1 (en) * 1992-12-15 1994-11-15 Центр-технология энергетических конденсированных систем Aerosol fire-extinguishing composition
ES2243019T3 (en) * 1997-12-30 2005-11-16 Dynamit Nobel Defence Gmbh FIRE EXTINGUISHING COMPOSITION.
CN101085400A (en) * 2007-07-12 2007-12-12 陕西坚瑞化工有限责任公司 Aerosol fire fighting composition for preventing and reducing secondary damage to ,electrical installation
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