Rotary valve for a metallurgical vessel and rotor and stator the

Details Rotary valve for a metallurgical vessel and rotor and stator the Rotary valve for a metallurgical vessel and rotor and stator the

1989-12-21

1992-01-28

Kastler, S.

Dispensing

Molten metal dispensing

Flow controllers or assists

222591, 222594, B22D 4114

Patent

active

050836889

ABSTRACT:
A rotary valve for controlling the discharge of molten metal in a substantially downward direction from a metallurgical vessel includes a refractory rotor rotatable about a substantially horizontal axis. The rotor has an outer peripheral surface, either conical or cylindrical, arranged symmetrically about the axis, and the rotor has therethrough a flow channel having inlet and outer ports, at least the outlet port opening onto the outer surface. A refractory stator has therein a recess defined by an inner surface, either conical or cylindrical, complementary to the outer surface of the rotor, the stator having therethrough a discharge channel. The rotor fits within the recess in the stator, with the outer and inner surfaces thereof being complementarily positioned symmetrically about the axis. The stator and rotor are arranged in the region of the metal melt in the interior of a metallurgical vessel in and/or on the refractory lining of a side wall of the vessel and/or the refractory lining of the bottom of the vessel.

REFERENCES:
patent: 2087824 (1937-07-01), Tully
patent: 3165795 (1965-01-01), Bahm
patent: 3566954 (1971-03-01), Gamble et al.
patent: 3651998 (1972-03-01), Rocher
patent: 4200210 (1980-04-01), Riegler et al.
patent: 4630667 (1986-12-01), LaBate

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