Catalyst loading hopper

B - Operations – Transporting – 07 – B

Patent

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209/97

B07B 1/00 (2006.01) B01J 8/00 (2006.01) B01J 8/02 (2006.01)

Patent

CA 1236431

ABSTRACT OF THE DISCLOSURE A catalyst loading hopper suitable for positioning in vertical position above a reactor vessel, having an inlet means at its upper end, a catalyst outlet at its Lower end and a diagonally-disposed baffle extending down- wardly across the hopper but terminating short of one of the walls of the hopper and a weir adjustably arranged so as to control the flow of catalysts through the hopper. There is a dust outlet at the top of the hopper, which may be connected to a conduit so as to draw dust away from the upper end of the hopper and a screen at the bottom of the hopper to separate the catalyst from any fines or under- sized catalyst particles. The screen feeds into a cata- lyst outlet which, in turn, feeds into a conduit, which extends into the reactor vessel so as to allow arrangement of the cleaned catalyst pellets in layers in the vessel. A gas nozzle opens in the wall of the hopper and allows dust to be blown from the catalyst pellets and through the dust outlet to be collected in a suitable filter. The fines and undersized catalyst portions can be drawn through a fines outlet and conduit to a suitable receptacle.

469276

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