Movable refractory plate assembly with movable refractory contro

Details Movable refractory plate assembly with movable refractory contro Movable refractory plate assembly with movable refractory contro

1986-12-09

1989-02-07

Rolla, Joseph J.

Dispensing

Molten metal dispensing

Flow controllers or assists

222502, 266236, B22D 4108

Patent

active

048026115

ABSTRACT:
A movable refractory plate assembly for use with a sliding closure unit for controlling the discharge of molten metal from a metallurgical vessel includes a movable refractory plate having therethrough a discharge opening and a movable frame for supporting the movable refractory plate in planar abutting contact with the stationary refractory plate of the sliding closure unit and movable between open and closed positions. A refractory control member is mounted for sliding movement relative to the movable refractory plate between selected positions restricting the cross section of the movable refractory plate discharge opening. An actuator slides the control member relative to the movable refractory plate between the selected positions. The control member and actuator are accessible from the exterior of the sliding closure unit. Thus, when the sliding closure unit is in the open position, only the control member need be actuated to achieve throttling of the size of the discharge opening.

REFERENCES:
patent: 2575464 (1951-11-01), Olsen
patent: 2943370 (1960-07-01), Murarsheed
patent: 3436023 (1969-04-01), Thalmann
patent: 3618925 (1971-11-01), Girolami
patent: 4260081 (1981-04-01), Detalle et al.
patent: 4278190 (1981-07-01), Oory et al.

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