Method and means for extinguishing tank fires

Details Method and means for extinguishing tank fires Method and means for extinguishing tank fires

1993-02-22

1995-01-03

Mitchell, David M.

Fire extinguishers

Processes

With mixing of extinguishing compounds

169 15, 169 46, 169 66, A62C 306

Patent

active

053777654

ABSTRACT:
Fires in tanks storing combustible liquids are extinguished by injecting a mixture of water, a foam-forming concentrate and an inert gas into the tank at a point below the surface of the stored liquid forming an upwelling foam column which explodes upon the liquid surface and spreads across that surface to extinguish the fire and prevent its reignition.

REFERENCES:
patent: 1115887 (1914-11-01), Bartels
patent: 2414260 (1947-01-01), Hunter
patent: 3475333 (1969-10-01), Meldrum et al.
patent: 4662454 (1987-05-01), Uchiyama et al.
patent: 4664199 (1987-05-01), Grant et al.

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