Sealing shutter for a shaft furnace

Details Sealing shutter for a shaft furnace Sealing shutter for a shaft furnace

1989-12-08

1991-01-22

Kastler, S.

Metallurgical apparatus

With control means responsive to sensed condition

With temperature sensor

266199, C21B 708

Patent

active

049865161

ABSTRACT:
A shutter for sealing a flow-off orifice of charging lock for charging a shaft furnace is disclosed. The shutter includes a soft peripheral gasket and is movable between a closed position, in which the gasket is laid against an annular seal surrounding a passage orifice, and an open position in which the gasket is set apart from the passage orifice. In order to reduce the thermal stresses on the gasket, the seat has an internal channel connected to a circuit of a temperature regulating fluid.

REFERENCES:
patent: 1746705 (1930-02-01), Koppers
patent: 3732993 (1973-05-01), Csapo
patent: 4216946 (1980-08-01), Sieweke et al.

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