Method and apparatus for suppressing explosions and fires and pr

Details Method and apparatus for suppressing explosions and fires and pr Method and apparatus for suppressing explosions and fires and pr

1990-10-30

1991-12-03

Basinger, Sherman

Fire extinguishers

Special applications

For storage tank

169 8, 169 20, 169 58, 169 71, 2221465, 137 681, 239309, A62C 3500

Patent

active

050692917

ABSTRACT:
Apparatus for suppressing explosions comprises a reservoir containing hot pressurized water which is heated by a heater. On explosion conditions occurring in an enclosure a high speed differential pressure diaphragm is fractured to release a charge of hot pressurized water into the enclosure. When the water enters the enclosure portion it is converted into water droplets to suppress the flame front of a deflagration and a portion of the water flashes off as flash steam to reduce the oxygen concentration and suppress the explosion. A differential pressure diaphragm 40 comprises a pair of bursting diaphragms having a space therebetween which is maintained at a balance pressure. When explosion conditions occur the balance is disturbed and the diaphragms burst under the higher pressure.

REFERENCES:
patent: 3092286 (1963-06-01), Duff
patent: 4051982 (1977-10-01), Stetson
patent: 4253527 (1981-03-01), Wilhoit
patent: 4281717 (1981-08-01), Williams
patent: 4378851 (1983-04-01), de Vries
patent: 4394868 (1983-07-01), McLelland
patent: 4551613 (1985-11-01), Yashfe
patent: 4622209 (1986-11-01), Nardi et al.
patent: 4664199 (1987-05-01), Grant et al.
patent: 4838356 (1989-06-01), Akatsu
patent: 4986366 (1991-01-01), O'Connell

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