METHOD FOR FIRE SUPPRESSION IN DOME OF MINE WORKING Russian patent published in 1999 - IPC

Abstract RU 2136889 C1

FIELD: mining industry. SUBSTANCE: method can be used in suppression of underground fires. According to method, accumulated methane is sucked out through ejector pipe. Accumulated methane is burnt in combustion chamber. Combustion products together with neutral gas are delivered into bubbler. Inert foam is delivered through fire hose behind dump. Simultaneously inert gas is supplied into dome for substitution of methane. Plugging mass is periodically delivered into dome. Application of aforesaid method enhances efficiency in preventing and suppression of fires. EFFECT: higher efficiency. 3 cl, 3 dwg

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RU 2 136 889 C1

Authors

Chuprikov A.E.

Chubarov B.V.

Mos'Kin A.B.

Lapin V.A.

Dates

1999-09-10—Published

1996-02-05—Filed