Device to support and swing the hearth in an electric furnace

Details Device to support and swing the hearth in an electric furnace Device to support and swing the hearth in an electric furnace

1997-10-16

1998-12-15

Hoang, Tu Ba

Industrial electric heating furnaces

Arc furnace device

Charging or discharging

373 72, 373 86, F27B 1402

Patent

active

058504133

ABSTRACT:
Device to support and swing the hearth in an electric furnace, whether it be the type operating on direct or alternate current, the furnace being able to be of the channel type, EBT with the hearth lowered or not, OBT or other type, the hearth (11) cooperating at the upper part with a cooled side wall (12) having a closure system (14) which can be temporally associated, the hearth (11) being supported by a platform (18), the device comprising a plurality of lifting cylinders (19, 119) associated at the lower part with the platform (18) and at least a translation and/or oscillation actuator (20, 120; 32) associated at the side of the platform (18), the lifting (19, 119) and translation (20, 120; 32) cylinders being able to be driven independently and in a correlated manner so as to obtain on the hearth (11) desired movements of lifting, translation, swinging, oscillation or a combination of such movements.

REFERENCES:
patent: 980345 (1911-01-01), Ruthenburg
patent: 1690795 (1928-11-01), Sagramoso
patent: 2313837 (1943-03-01), Nissim
patent: 3035106 (1962-05-01), Mercier
patent: 3358978 (1967-12-01), Lambrecht et al.
patent: 3835231 (1974-09-01), Marchner
patent: 4468781 (1984-08-01), Buhler

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