Preheat system

Details Preheat system Preheat system

1993-11-05

1995-05-16

Reynolds, Bruce A.

Industrial electric heating furnaces

Arc furnace device

Charging or discharging

373 43, 373 78, F27D 1300

Patent

active

054167922

ABSTRACT:
A furnace preheat system uses furnace off-gas to preheat material to be charged into the furnace. In a preferred embodiment of the invention, first and second angularly-spaced preheat vessels are mounted on a rotatable member which rotates them to a position over the furnace for charging the furnace and to a position for preheating the material in the preheat vessels. There is ductwork from the furnace to the first and second preheat vessels to selectively vent the off-gases to the first and second preheat vessels.

REFERENCES:
patent: 588267 (1897-08-01), Chalmot
patent: 4280836 (1981-07-01), Maeda
patent: 4395280 (1983-07-01), Takenouchi et al.
patent: 4470804 (1984-09-01), Geijer et al.
patent: 4506370 (1985-03-01), Yoshimatsu
patent: 4543124 (1985-09-01), Vallomy
patent: 4611339 (1986-09-01), Saitoh
patent: 4653065 (1987-03-01), Seki et al.
patent: 4736383 (1988-04-01), Meierling

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