Method and arrangement for preventing crusts from agglomeration

Details Method and arrangement for preventing crusts from agglomeration Method and arrangement for preventing crusts from agglomeration

1992-12-08

1993-08-10

Andrews, Melvyn J.

Metallurgical apparatus

Process

266 79, 266 99, 75375, 75376, C21B 724

Patent

active

052342000

ABSTRACT:
There are disclosed a method and an arrangement for preventing the agglomeration of crusts in a lance opening passing a wall of a metallurgical vessel and provided for a lance carrying a measuring and/or sampling probe. During the metallurgical process proceeding within the metallurgical vessel and during the taking of a measurement and/or sample by means of a lance introduced into the metallurgical vessel through the lance opening, a gas that is inert relative to a melt bath contained in the metallurgical vessel, or air, is injected into the lance opening from outside, which gas produces a gas veil at the mouth of the lance opening facing the melt bath.

REFERENCES:
patent: 4361315 (1982-11-01), Kajihara et al.

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