Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1993-02-03
1995-01-17
Yuen, Henry C.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
432121, 432126, 432246, F27B 914
Patent
active
053821599
ABSTRACT:
A heating furnace system is provided for receiving finite lengths of workpieces from one or more continuous casters and form a supply of heated workpieces at a temperature suitable for rolling in a hot rolling mill. The system includes, in one aspect, a holding furnace receiving a workpiece during continuous casting until it is severed by a cutoff device to prevent unwanted cooling. The workpiece is fed from a holding furnace to a heating furnace wherein it is deposited onto one of a series of vertically spaced supports in a heated section where it remains static throughout the heating process. After heating the workpiece is removed from the stationary supports and returned to rollers of a hearth for discharge from the furnace to a rolling mill. In a second embodiment the holding furnace arrangement provides for separate holding furnaces to receive continuous castings from separate continuous casters and prevent unwanted cooling of the cast workpiece until cut to a finite length. The holding furnaces have doors and longitudinal sides walls to allow transfer of the workpieces seriatim through doors in a central heating furnace. The central heating furnace is aligned with the hearth as in the first embodiment and supplies workpieces serially through the heating furnace.
REFERENCES:
patent: 4164391 (1979-08-01), Howard et al.
patent: 4421481 (1983-12-01), Holz et al.
patent: 4741695 (1988-05-01), Ushijima
patent: 4820150 (1989-04-01), Ushijima
Bricmanage, Inc.
Poff Clifford A.
Yuen Henry C.
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