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The hot, dirty gas is then passed through a scrubbing tower which cleans and cools it using seawater. This gas is then delivered to cargo tanks to prevent explosion of flammable cargo. [1] This generator is sometimes confused with flue gas systems, which draw inert gas from the boiler systems of the ship. Flue gas systems do not have a burner ...
Steamexfire, manufactured by Liberty Gasturbine Holland BV, [1] is a high flow inert gas generator, or any inert gas generator that produces an inert gas consisting of nitrogen, CO2, and steam. Such generators are utilized to reduce environmental oxygen enough to extinguish fires in settings like tunnels, mining, or shipping. [2]
The gases lower the oxygen levels, suppressing fires, and forcing methane out of the mine. [5] A unit is capable of pumping a volume of 25 m 3 /s, creating levels of less than 1% oxygen. [ 3 ] When fully assembled, the unit is 12 metres long and weighs 2.5 tonnes. [ 4 ]
The term inert gas is context-dependent because several of the inert gases, including nitrogen and carbon dioxide, can be made to react under certain conditions. [1] [2] Purified argon gas is the most commonly used inert gas due to its high natural abundance (78.3% N 2, 1% Ar in air) [3] and low relative cost.
Oil vapors cannot burn in air with less than 11% oxygen content. The inert gas may be supplied by cooling and scrubbing the flue gas produced by the ship's boilers. Where diesel engines are used, the exhaust gas may contain too much oxygen so fuel-burning inert gas generators may be installed.
The inerting systems use an inert gas generator to supply inert make-up gas instead of air. This procedure is often referred to as inerting. Technically, the procedure ensures that the atmosphere in the tank's headspace remains unignitable. The gas mixture in the headspace is not inert per se, it's just unignitable. Because of its content of ...