B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 8/24 (2006.01) B01J 8/18 (2006.01) B01J 8/26 (2006.01) B01J 8/38 (2006.01) F22B 31/00 (2006.01) F23C 10/10 (2006.01) F23C 11/02 (1995.01)
Patent
CA 2158273
In a fluidized bed reactor (10) par- ticles are internally circulated, moving down the walls forming the reactor cham- ber (12, 112, 312). A particle cham- ber (22, 122, 222, 322) having a particle gathering top wall with a horizontal pro- jection area A is disposed in the down- ward flow of particles. Openings (32, 132, 232, 332), e.g., holes or slots, with a controlling dimension of about 30 mm or less are provided in the top wall, the openings having total open area B less than half the area A. Heat transfer sur- faces (40, 140) may be disposed in the particle chamber.
A. Ahlstrom Corporation
Foster Wheeler Energia Oy
Gowling Lafleur Henderson Llp
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