Process and device for the bottom drainage of a fluid- bed...

Details Process and device for the bottom drainage of a fluid- bed... Process and device for the bottom drainage of a fluid- bed...

C - Chemistry, Metallurgy

08

F

23/379

C08F 2/34 (2006.01) B01J 3/02 (2006.01) B01J 8/00 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1199477

PROCESS AND DEVICE FOR THE BOTTOM DRAINAGE OF A FLUID-BED POLYMERISATION REACTOR ABSTRACT OF THE DISCLOSURE The invention relates to a device and process permitting of the bottom drainage of a fluid-bed polymerisation reactor (1) compri- sing a fluidisation plate (2), a gas inlet (3) located between the said plate and the bottom of the reactor and a side pipe (4) located above the said plate and permitting of the evacuation of the fluidised parti- cles, the said device consisting : - of a vertical pipe (5) having a top opening at the level of the plate and a bottom end located outside and underneath the bottom of the reactor, which is occluded by a cock (6), - and a gas intake tube (7) in the said vertical piping, leading out into the immediate vicinity of the said cock (6). FIGURE 2.

422407

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