DEVICE FOR PRODUCTION OF INERT GAS IN MINE Russian patent published in 1994 - IPC

Abstract RU 2006588 C1

FIELD: mining industry. SUBSTANCE: device has cylindrical body with inlet and outlet branch pipes for water. Heat exchange chamber and liquid nitrogen heat exchanger are mounted inside body. Device has collector pipe with inlet branch pipes to supply water tangentially built into cylindrical body along length of heat exchange chamber. Each following inlet branch pipe is directed in opposition to preceding inlet branch pipe. EFFECT: increased safety of operations in mines. 3 dwg

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RU 2 006 588 C1

Authors

Chuprikov A.E.

Lapin V.A.

Dates

1994-01-30—Published

1991-01-31—Filed