Patent ID: 8568653
Filing Date: 2013-10-29
Classification: C21B,F27B,F27D

Abstract:
1. A sealing valve arrangement for a shaft furnace charging installation, said arrangement comprising: a shutter that cooperates with a valve seat; a dual-motion shutter-actuating device for moving said shutter between a closed position in sealing contact with the valve seat and an open position remote from the valve seat, said shutter-actuating device being configured to confer to said shutter a superposition of a first rotation about a first axis and a second rotation about a second axis that is substantially parallel and offset with respect to said first axis, said shutter-actuating device comprising: wherein said first tilting shaft is configured as a hollow sleeve shaft and said shutter-actuating device comprises a reference rod extending through said first tilting shaft, said reference rod having a distal end portion to be connected to a stationary structure and a proximal end portion with a reference member, said mechanism having a driven side that is in engagement with said reference member.