Refractory stator/rotor unit for a valve at the outlet of a...

Details Refractory stator/rotor unit for a valve at the outlet of a... Refractory stator/rotor unit for a valve at the outlet of a...

B - Operations, Transporting

22

D

39/113

B22D 41/14 (2006.01)

Patent

CA 1340564

The refractory stator/rotor unit for a valve at the outlet of a vessel (11) containing a metal melt comprises a stator (15) secured in the vessel wall (14) and a rotor (16) in it which is rotatable from the underside of the vessel floor (11') to open and close the valve. The unit projecting into the vessel has transverse openings (17,18) extending in it and a discharge opening (19') starting from them leading out of the vessel. Provided between the rotor (16) and the stator (15) in the entire region within the vessel there is a cylindrical sealing surface (20) which surrounds the transverse openings (17,18) whilst provided in the region within the vessel wall (14) there is a clearance (22), which accommodates the differing thermal expansions of the stator and rotor, for preventing jamming of the unit. A very simple, space-saving valve system which functions with very high operational security is thus provided.

613304

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