Arc furnace electrode length determination

Details Arc furnace electrode length determination Arc furnace electrode length determination

2006-08-22

2006-08-22

Van, Quang (Department: 3742)

Industrial electric heating furnaces

Arc furnace device

Electrode support

C373S101000, C373S092000

Reexamination Certificate

active

07095777

ABSTRACT:
An electrode column and a method of determining the length of the electrode in it in an active furnace. The column is a Söderberg column including a mantel in which the electrode is movable in an axial direction by lower and upper slipping clamps which are movable relatively to each other by slipping cylinders. The method includes the steps of moving, with the slip clamps, the electrode in a downslip relatively to the mantel with the slipping cylinders and gravity and measuring the force required to move the electrode with only the upper slipping clamp against predetermined reaction forces acting against movement of the electrode and computing these parameters to determine the mass and so the length of the electrode relatively to the theoretical mass of the undamaged electrode at the time of movement.

REFERENCES:
patent: 2982804 (1961-05-01), Redschke
patent: 3107267 (1963-10-01), Blackmore
patent: 3379818 (1968-04-01), Wynne
patent: 3614284 (1971-10-01), Helmut et al.
patent: 3796818 (1974-03-01), Yuasa et al.
patent: 3898364 (1975-08-01), Hardin
patent: 5260966 (1993-11-01), Schottlaender
patent: 6243408 (2001-06-01), Benz et al.

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