F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/113
F27D 3/14 (2006.01) B22D 41/14 (2006.01)
Patent
CA 1337736
The invention relates to a rotary sliding gate valve for the tapping of liquid metal melt from a metallurgical vessel with a rotationally symmetrical, e.g. refractory rotor serving as the valve body which is arranged so as to be rotatable about a rotary axis in an e.g. refractory stator having an outlet passage and has at least one flow passage which, by rotation of the rotor with respect to the stator, may be opened by connecting the inlet opening of the outlet passage in the stator with the outlet opening of the outlet passage in the stator and may be closed again by interrupting this connection. To improve and increase the functional possibilities of such a rotary valve the stator has an opening with a circular cylindrical inner surface serving as a sealing seat into which the rotor with a circular cylindrical peripheral surface is sealingly fitted and within which the rotor is not only rotatable but also axially displaceable. In accordance with the invention the refractory rotor has a circular cylindrical peripheral surface which corresponds to a circular cylindrical inner surface of an opening in a refractory stator serving as a seat and in which there is at least one inlet opening and/or at least one outlet opening of a flow passage. In accordance with the invention the refractory stator has an opening with a circular cylindrical inner surface serving as a seat which corresponds to a circular cylindrical peripheral surface of a refractory rotor and in which there is at least one inlet opening and/or at least one outlet opening of an outlet passage.
577297
Bruckner Raimund
Hintzen Ullrich
Luhrsen Ernst
Didier-Werke Ag
Fetherstonhaugh & Co.
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