Method and means of reducing the oxidization of reactive element

Details Method and means of reducing the oxidization of reactive element Method and means of reducing the oxidization of reactive element

1989-07-03

1990-08-28

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Ingot remelting

373 42, 373 77, 75 1024, H05B 700

Patent

active

049531778

ABSTRACT:
A method and apparatus is provided for controlling the atmosphere above the bath of an electroslag remelting furnace, including sealing the atmosphere of the furnace directly above the crucible by employing a shell secured to the crucible and a shroud secured between the shell and the movable furnace ram to encapsulate the atmosphere, and analyzing the oxygen content of the atmosphere and controlling the amount of oxygen therein by introducing an inert gas in the atmosphere.

REFERENCES:
patent: 4117253 (1978-09-01), Wooding

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