Device for quenching open air fires

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 35/00 (2006.01) A62C 3/06 (2006.01)

Patent

CA 2052446

A open air fire quencher comprising a vessel having a substantially airtight top and sides and at least a partially open bottom. The open bottom permits placement of the vessel vertically down over a flame source until the bottom rests on a grade surrounding the flame source. The vessel includes an inner quenching chamber and an outer chamber. The outer chamber may be filled with water to absorb the thermal energy from the flame source. The outer chamber includes a drain to allow water to be released downward. The released water assists in forming an airtight seal around the open bottom. The released water further assists in cooling the area surrounding the flame. In a further embodiment the inner chamber has a flame deflector and the vessel includes an extinguishing system for spraying the flame source with an extinguishing substance.

Capot d'extinction de feu à ciel ouvert comprenant un bac dont les parties supérieures et latérales sont pratiquement étanches et dont la partie inférieure est au moins partiellement ouverte. Le bac, partie ouverte vers le bas, est descendu directement au-dessus des flammes, la base reposant sur une surface entourant le feu. Le bac comprend une enceinte d'extinction interne et une enceinte externe. L'enceinte externe peut être remplie d'eau pour absorber l'énergie thermique produite par les flammes. Elle comprend un orifice de purge pour l'évacuation de l'eau vers le bas. L'eau évacuée aide à assurer l'étanchéité autour de la partie ouverte du bac. De plus, elle aide à refroidir la zone entourant les flammes. Dans une autre réalisation, l'enceinte interne est équipée d'un déflecteur de flammes et le bac comprend un extincteur pour éteindre le feu à l'aide d'un agent d'extinction.

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