Fluidised bed discharge device

Details Fluidised bed discharge device Fluidised bed discharge device

B - Operations, Transporting

01

J

23/379

B01J 4/00 (2006.01) B01J 8/00 (2006.01) B01J 8/24 (2006.01) C08F 2/00 (2006.01)

Patent

CA 1283524

ABSTRACT OF THE DISCLOSURE FLUIDISED BED DISCHARGE DEVICE Apparatus for discharging solid particulate products present in a fluidised bed reactor (1) in which the polymerisation or co-polymerisation of alpha-olefins is carried out, consisting of a vessel (4) connected to the reactor (1) by means of a pipe (2) provided with a valve (3) and connected to a reservoir situated downstream (not shown) by means of a pipe (6) provided with a valve (5), the said apparatus being characterised in that: - the two valves (3) and (5) consist of continuously rotating plug valves, these valves being moved in such a way that the two valves are not open at the same time, even partly, and - the volume of the vessel (4) comprises between 1/10 and 1/1000, and preferably between 1/100 and 1/500 of the volume of fluidised solid contained in the reactor (1).

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