condensed aerosol operation ?

How the AF-X Fireblocker automatic condensed aerosol fire extinguishing system works

AF-X Fireblocker – Environmentally-friendly condensed aerosol fire extinguishing system

Operation of the extinguishing agent contained in the automatic condensed aerosol extinguishing system

condensed aerosol (see photo) is a solid compound extinguishing agent. It is integrated into the generator of the AF-X Fireblocker automatic extinguishing system. The extinguisher also generates an aerosol in a non-pressurized device. In addition, the aerosol is produced autonomously by a combustion process of the solid compound, activated by an electric igniter.

All AF-X Fireblocker sprinkler systems are equipped with a connector. This connector enables the extinguishing systems to be controlled and activated electrically.

The AF-X Fireblocker automatic sprinkler systems can be triggered automatically by thermal detection. The same applies to smoke detectors. A manual activation option is also available.

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pastille blanche solide représentant l'agent extincteur des aérosol af-x fireblocker

AF-X Fireblocker sprinkler system in detail

patent-protected AF-X Fireblocker nano series condensed aerosol fire extinguishing system

vue de coupe du système d'extinction automatique par aérosol condensé AF-X Fireblocker serie nano brevetée

AF-X Fireblocker uses an electrical impulse to initiate the chemical transformation of the solid extinguishing compound.

Once activated, the solid compound transforms into a rapidly expanding fire-extinguishing aerosol. First it passes through a thermodynamic cooling section. The aerosol is then discharged through the extinguisher’s aerodynamic release unit. In this way, the aerosol and our unique chemical formula suppress the fire in the protected area.

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Extinguishing principle of our automatic condensed aerosol extinguishing system

The aerosol generated does not extinguish fires using smothering (oxygen removal) or cooling methods. Aerosol stops the combustion reaction on a molecular basis (by binding free radicals) without affecting oxygen levels. On this subject,
aerosol consists of microscopic particles suspended in a gas. This means that the ratio of exposed surface area to reaction mass is extremely high. This minimizes the amount of active material required for extinguishing.

The particles remain in suspension for a relatively long time. In other words, they flow into natural convection flows. All this leads to an increase in the effectiveness of the extinguishing agent.

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Extinguishing action of our aerosol

Our automatic condensed aerosol fire extinguishing system produces a powerful extinguishing aerosol through a chemical chain reaction without affecting oxygen levels in the environment. The extinguishing effect is triggered by two actions (physical and chemical)

  • Physical action

    The physical action of extinction depends on the physico-chemical characteristics of the elements. They require little energy for ionization, which enables the electrons to be separated from the atoms. This energy is supplied by the heat of the fire. The ionization of potassium is manifested by a slight violet coloration of the flame. This indicates that the flame energy is reduced according to the ionization voltage of the elements present.

  • Chemical action

    During combustion, rapid reactions take place between atoms and unstable radicals, forming chain reactions. These radicals then seek a stable state through further reactions. Stable end products include carbon dioxide (CO2) and water (H2O). Potassium decomposes to potassium hydroxide (KOH), a very stable compound. It then disintegrates into K2CO3, a stable white substance that is non-corrosive to humans and animals. At this point, the chain of free radical reactions ceases and the flame is extinguished.

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