FIELD: pipeline engineering.
SUBSTANCE: device comprises suppression chamber made of a gas duct branch pipe closed at the free end. The branch pipe is filled with foamed material separated from the gas duct by means of perforated plate and diaphragm. The diaphragm is made of heat-resistant brittle material and is sealed over periphery. The destruction of the diaphragm due to the overpressure results in decreasing pressure in the suppression chamber and filling the suppression chamber with gas from the gas duct.
EFFECT: enhanced safety.
7 cl, 4 dwg
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