Device for extracting particulate materials of a fluidized bed f

Details Device for extracting particulate materials of a fluidized bed f Device for extracting particulate materials of a fluidized bed f

1990-05-16

1992-09-01

Johnston, Jill A.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element is a binary responsive valve

406143, 406146, 422145, 422146, 422213, 422219, B01J 818

Patent

active

051436973

ABSTRACT:
The device has an opening provided through a side wall of the fluidization enclosure and a tube extends outside a enclosure and substantially perpendicular thereto. A duct is connected substantially perpendicularly to the tube and extends downwards. A piston is slidably mounted in sealed manner inside the tube to slide between a first position in which it constitutes a panel closing the opening and a second position in which it at least partially uncovers the opening of the duct into the tube, and control means for controlling displacement of the piston inside the tube.

REFERENCES:
patent: 3134511 (1964-05-01), Vardanega
patent: 3336217 (1967-08-01), Meaux
patent: 4738770 (1988-04-01), Hastings et al.

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