Horizontal or vertical rotary valve for a metallurgical vessel

Details Horizontal or vertical rotary valve for a metallurgical vessel Horizontal or vertical rotary valve for a metallurgical vessel

1989-10-13

1991-08-06

Kastler, S.

Dispensing

Molten metal dispensing

Flow controllers or assists

222598, B22D 3700

Patent

active

050370170

ABSTRACT:
A rotary valve for controlling the discharge of molten metal from a metallurgical vessel includes a refractory rotor having a cylindrical outer peripheral surface and fitted within a recess defined by a cylindrical inner surface in a refractory stator and complementary to the outer surface. The rotor may be rotated about either a horizontal or a vertical axis relative to the stator and may be axially moved within the recess therein. The rotary valve may be mounted on the exterior of a bottom wall of a metallurgical vessel or alternatively may be mounted within a refractory lining of the metallurgical vessel, particularly in a transition area between a side wall and a bottom wall of the metallurigcal vessel. Further alternatively, the rotary valve may be mounted within the refractory lining of the bottom wall of the metallurgical vessel, with the rotor extending through the bottom wall and being actuated for movement from below the bottom wall.

REFERENCES:
patent: 3651998 (1972-03-01), Rocher
patent: 4840295 (1989-06-01), Hartley
patent: 4905876 (1990-03-01), Gimpera

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