Rotary nozzle system

Details Rotary nozzle system Rotary nozzle system

B - Operations, Transporting

22

D

39/113

B22D 41/26 (2006.01) B22D 41/28 (2006.01) B22D 41/34 (2006.01) F27D 3/14 (2006.01)

Patent

CA 1279189

ABSTRACT A rotary nozzle system attached to the outlet of a metallurgical vessel to serve as a gate valve for controlling the rate of pouring of molten metal. A slide plate brick (51) and bottom plate brick (41), each having a nozzle bore (52, 42), are relatively rotated in a surface-to-surface contact con tion to adjust the degree of communication opening of the nozzle bores (52, 42) Each of the plate bricks (41, 51) is formed on the outer peripheral surface thereof with a flat portion (41b,c,e,f; 51b,c,e,f) for receiving the driving force for the relative rotation and/or the reaction force at each of four locations arranged at angular intervals of 90°.

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