What is Aerosol fireplace extinguishing
Exactly what is aerosol fire extinguisher? Aerosol hearth extinguishing technologies is a different form of fireplace extinguishing technological innovation formulated on the basis of armed service pyrotechnics.

The initial era of aerosol hearth extinguishing engineering was born in our place, also known as smoke fire extinguishing technology, which began in the early nineteen sixties. It had been completed by scientific scientists from your Tianjin Fire Exploration Institute of Community Protection, who independently formulated an automatic smoke fire extinguishing method, which is principally accustomed to extinguish fires in school A, B, and C liquid storage tanks.

Inside the early nineteen eighties, Together with the emergence of environmental security challenges of “halon hearth extinguishing agent”, acquiring possibilities to halon turned an important research topic.

At the conclusion of the 1980s, Russian researchers to start with succeeded in exploring aerosol hearth extinguishing know-how that may extinguish fires inside of a submerged method, which opened up a new way for halon substitution study. Subsequently, aerosol fireplace extinguishing technology has attracted the attention of the Intercontinental Local community, and international locations which include China, The us, Australia, Malaysia as well as other countries have also started exploration on new aerosol hearth extinguishing technologies.

Most of the time, aerosol is often a secure point out procedure shaped via the dispersion of fantastic good or liquid particles in the gas. Skillfully, it refers to a colloidal procedure that takes advantage of gasoline (normally air) as being the dispersion medium and good or liquid particles since the dispersant.Typical aerosols in character—clouds, smoke, fog, and so on.The dimensions in the particles in aerosols is mostly within the get of ten-five to 10-1μm, that has gas fluidity and can diffuse around obstructions.

The medicament from the aerosol fireplace suppression system product is sound, as well as component emitted via the medicament from the oxidation-reduction reaction is aerosol. The main era of aerosol fire extinguishing engineering-smoke fireplace extinguishing engineering.

K-variety aerosol fireplace extinguisher, also called potassium salt fire extinguishing know-how, is the next phase of the development of aerosol hearth extinguishing technologies, which started in the former Soviet Union in the mid-sixties. Our country begun late With this regard, commencing inside the early nineties.

In this kind of aerosol creating agent, potassium nitrate is principally made use of as the main oxidant. Its sprays have substantial fire extinguishing efficiency, but since they include a great deal of potassium ions, Straightforward to absorb dampness, forming a yellow and sticky solid alkaline conductive liquid movie, this material may be very detrimental to electronic products, so K-sort aerosol computerized hearth extinguishing product can't be used in electronic products, precision devices and cultural relics Archive spot. At present, the use in the market is steadily decreasing.

The 3rd-era aerosol (S kind) is mainly fabricated from strontium salt as the key oxidant. Unlike the second-era potassium salt (K-variety) aerosol, strontium ions usually do not take up dampness, tend not to type a conductive Resolution, and will not induce harm to electrical devices. In 2001, China Mobile Communications Corporation picked the strontium salt aerosol (S-variety aerosol computerized fire extinguishing device) made by the organization right after stringent inspection and verification to shield its conversation foundation stations and various spots Geared up with advanced electronic equipment.

At this time, strontium salt aerosol merchandise have been applied in A large number of engineering jobs, as well as third-generation aerosol has grown to be An increasing number of accepted by consumers

Aerosol fireplace extinguisher software range
a. Electrical fire
Interaction place, conversation base station, Digital Personal computer place, etcetera.;

Electrical fires in areas containing precision devices and tools, which include energy distribution rooms, generator rooms, cable interlayers, cable wells, cable trenches, and many others.

b. Reliable area fireplace
Floor fire of combustible good components in spots the place combustible stable resources are applied or stored.

c. Liquid fireplace
Liquid fires in places the place diesel oil is generated, employed or saved (apart from -35 diesel), weighty oil, transformer oil, animal and vegetable oil as well as other flammable liquids of Classification C; Just before extinguishing a gasoline fire, the gasoline supply is often Lower off.

Aerosol fire suppression program application .

d. The S-form aerosol fire extinguishing machine can't be used to place out the next fires
①Substances that can be oxidized without air, like nitrocellulose, gunpowder, and so on.; Lively metals, like potassium, sodium, magnesium, titanium, and many others.; compounds that may decompose by on their own, for instance selected peroxides, hydrazine, etcetera. Steel hydrides, which include potassium fluoride, sodium hydride, and so forth. Pure substances, such as phosphorus. Robust oxidants, for example nitrogen oxide, fluorine, etcetera.

② Deep fireplace of combustible stable materials.

③ Fire in crowded places, including theaters, auditoriums, and many others.

④ Hearth in locations with explosion hazard, including workshops with explosive dust.

⑤ Ultra-cleanse surroundings, for instance pharmaceutical workshops, chip processing places, clinical rooms, and so forth.

Aerosol fire extinguishing Performing theory
The 4 elements of combustion: combustibles, oxidizer, temperature and uninhibited chain response. The fireplace extinguishing mechanism of fire extinguishing fuel is to eradicate 1 or various of the 4 features of combustion.

The solid hearth extinguishing agent while in the S-variety aerosol hearth extinguishing product is began by electrical energy, and it undergoes redox response to kind a large number of agglomerated hearth extinguishing aerosols, and its composition is mainly N2, a small amount of CO2, and metal salt sound particles.

Aerosol fireplace extinguishing system is as follows
System of endothermic cooling and fire extinguishing
Metal salt particles take up a large amount of warmth at superior temperatures, and go through physical endothermic processes including thermal melting and gasification. The flame temperature is reduced after which you can radiated into the combustible combustion floor for gasification of combustible molecules and vaporized combustible molecules. The heat of pyrolysis of combustion molecules into free radicals will lessen, and the combustion response pace is going to be suppressed to a certain extent.
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