Introduction of a liquid into a receptacle such as a converter

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Details

75 61, 137605, 417307, C21C 530, F04B 4908

Patent

active

039973344

ABSTRACT:
A liquid fuel or other liquid is supplied to a supply line which communicates with an injection conduit opening out into a receptacle such as a steelmaking converter. The supply line includes a non-return valve which allows the liquid to pass only when its pressure exceeds a given critical pressure. A gas is introduced into the supply line downstream of the non-return valve at a pressure which is hgher than the critical pressure and which is sufficient to prevent any material in the receptacle from penetrating into the injection conduit.

REFERENCES:
patent: 3817744 (1974-06-01), Leroy

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