Walking hearth furnace

Details Walking hearth furnace Walking hearth furnace

1996-10-24

1998-01-06

Kamen, Noah P.

Heating

Heating apparatus element having protective cooling structure

Work skid or rail structure

432122, 432128, F27D 302

Patent

active

057047839

ABSTRACT:
A walking hearth furnace comprising fixed and walking hearths (1 to 3 respectively 4,5) on the refractory lining of which the work (6) is placed. Slanted surfaces are worked into the refractory lining forming depressions (15) and causing the work to be heated from underneath. The pieces of work are arranged in such a manner that spaces form between them, through which the heat from above can act on the slanted surfaces. Furthermore, the slanted surfaces serve to remove the scale both through the slots between the hearths and through scale chutes (16) which lead downwards out of the depressions (15) and operate in conjunction with scale removal devices (22).

REFERENCES:
patent: 4330262 (1982-05-01), Kranzi et al.
patent: 5405264 (1995-04-01), Heuss

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