Device for detecting slag flowing with molten metal through an o

Metallurgical apparatus – With recording – indicating – inspection or measuring means

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Details

266227, C21B 724

Patent

active

048877980

ABSTRACT:
A device for detecting slag flowing with a stream of molten metal dischar through an outlet opening in a metallurgical vessel includes a sensor positioned in the area of a base plate of the vessel to surround the stream of molten metal without being contacted thereby. The sensor has a sending coil and a receiving coil associated with a reference coil. At least the sending and receiving coils are positioned within a housing formed of a non-magnetic material. The housing encompasses the coils and defines therearound a protective casing that alters electromagnetic fields emanating from the base plate and the stream of molten metal and that is resistant to mechanical stresses.

REFERENCES:
patent: 4140300 (1979-02-01), Gruner et al.
patent: 4602768 (1986-07-01), Tinnes et al.

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