Catalyst recovery trough and process for unloading...

Details Catalyst recovery trough and process for unloading... Catalyst recovery trough and process for unloading...

B - Operations, Transporting

01

J

23/426

B01J 8/00 (2006.01)

Patent

CA 1211616

ABSTRACT OF THE DISCLOSURE A catalyst trough containing multiple guide tubes in registry with the tubes of a multi-tube catalytic reactor is utilized to unload catalysts therefrom with maximum dust containment and maximum catalyst recovery. The catalyst recovery trough contains an outlet collar connected to an outlet line and a positive fastening means whereby the trough is fixedly but detachably connected to the tube sheet of the reactor. The guide tubes extend vertically upwardly from the bottom of the trough and are open in the bottom so as to allow the provision of flexible steel rods or "fish tapes", which may or may not be equipped with high-fluid pres- sure tubes as air-lances for feeding into the tubes of the reactor, which are on center with the guide tubes of the trough. In this manner any catalytic material which is struck or bridged across the catalytic tubes may be dislodged so as to fall by gravity into the recovery trough and into an outlet line for recovery.

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