Method of and system for suppressing fire using anenvironmentally-clean free-radical chemical-reaction interrupting water mist so as to reduce water damage and smoke production and the risk of fire re-ignition

A single-fluid building fire suppression system using clean-chemistry free-radical chemical-reaction interrupting water-misting, wherein the system comprises

• a plurality of liquid misting heads mounted in a room space and connected to a section control valve that is connected to a main control valve, where the main control valve is connected to a hydraulic fluid pump unit that pumps into the misting nozzles at a one or more of
• (i) environmentally-clean water-based free-radical chemical-reaction interrupting liquid supplied from a clean-chemistry liquid storage/buffer tank via a feed fluid pump controlled by a system controller when a fire or extreme source of heat energy is automatically detected within the room or space by one or more automatic fire detectors in the building section, and
• (ii) filtered water supplied from the water storage/buffer tank if and when the supply of water-based free-radical chemical-reaction interrupting liquid falls below a predetermined threshold level, while the automatic fire detector still detects predetermined conditions of fire and/or smoke in the building section, so that the system continues to produce fine fog-like water mist in the building section and extinguish the fire, while said system controller automatically controls a solenoid control valve controlling the clean-chemistry water-based free-radical chemical reaction liquid and a solenoid control valve controlling the supply of water from the main water supply, as required by the operational requirements of the system.

A method of suppressing a fire in a building, vessel or vehicle using a clean-chemistry water-based free-radical chemical-reaction interrupting cloud, so as to rapidly suppress and extinguish fire with less water, smoke development and risk of re-ignition, said method comprising the steps of:

• (a) the presence of a fire in a building, vessel or vehicle is automatically detected by a clean-chemistry water-based misting fire suppression system supporting automatic fire detectors;
• (b) environmentally-clean water-based free-radical chemical-reaction interrupting liquid is supplied to one or more misting nozzles with tiny openings under low, intermediate or high hydraulic pressure, thereby forming a cloud of fine fog-like mist comprising billions of microscopic droplets;
• (c) when the water-based free-radical chemical-reaction interrupting droplets approach a burning fire, the water-based free-radical chemical-reaction interrupting droplets flash evaporate around the fire and rapidly expands near the burning fire, changing from a liquid to a gas, causing fire to cool, and displacing oxygen;
• and
• (d) the water-based free-radical chemical-reaction vapor interrupting the free-radical chemical reactions within the combustion phase of the fire, thereby suppressing or extinguishing the fire and reducing smoke development and preventing re-ignition of fire.

A fire suppression system using clean free-radical chemical reaction interrupting water-misting, compressing:

• a plurality of atomizing-type liquid misting heads supplied with clean water-based mounted in a room space and connected to a section control valve that is connected to a main control valve;
• a main control valve connected to a hydraulic fluid pump unit that pumps into the misting nozzles one or more of:
• (i) environmentally-clean water-based free-radical chemical-reaction interrupting liquid supplied from a clean-chemistry liquid storage/buffer tank via a feed fluid pump controlled by a system controller, along with a pressurized atomizing media when a fire or extreme source of heat energy is automatically detected within the room or space by one or more electronic fire/smoke sensors in the section;
• and
• (ii) filtered water supplied from the water storage/buffer tank, along with a pressurized atomizing media if and when the supply of water-based free-radical chemical-reaction interrupting liquid falls below a predetermined threshold level, while the electronic fire/smoke sensors still detect predetermined conditions of fire and/or smoke in the section, so that the system continues to produce fine fog-like water mist in the section and extinguish the fire, while the programmed system controller automatically controls a solenoid control valve controlling the clean-chemistry water-based free-radical chemical reaction liquid, and pressurized atomizing media and a solenoid control valve controlling the supply of water from the main water supply, as required by the programming of the system controller.