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US 4,544,140 AGranted
Device for measuring the level of the interface between a slag layer and a bath of molten metal in a metallurgical vessel
AssigneesMannesmann Aktiengesellschaft, Gustav Kolb
InventorsWerner Tenberg, Gustav Kolb
Life of this patent
Estimating the term…
Abstract
The device is to include a cylindrical carrier member for insertion into a tubular lance, also having an overhanging flange on the opposite side thereof being disposed a tapered electrode carrier either a cone with rounded apex or a symmetrical wedge with rounded apex and steep rounded sides.
Claims7
A device for measuring the depth of the level of molten metal within a metallurgical vessel and underneath a slag layer including a carrier member for insertion into an elongated carrier tube;
- and an annular flange member on the carrier member and serving as a stop for the carrier tube and having an oppositely oriented surface;
- the improvement comprising:
- an electrode holder on said surface extending therefrom and being of tapering configuration and wherein the tapering surface is at least partially rounded, said tapering member having a height which is not smaller than the diameter of said carrier member;
- and
- a pair of electrodes inserted in bores in said electrode holder and anchored therein, there being electrical connections running from the electrodes into said carrier.
2 more elements
Dependencies are inferred from the claim text.