PROCESS FOR OPERATING A COAL-BASED FLUIDIZED BED COMBUSTOR AND FLUIDIZED BED COMBUSTOR

摘要

PCT No. PCT/DE90/00254 Sec. 371 Date Dec. 12, 1990 Sec. 102(e) Date Dec. 12, 1990 PCT Filed Mar. 30, 1990 PCT Pub. No. WO90/12246 PCT Pub. Date Oct. 18, 1990.Some part (a) of the bed material is withdrawn continuously (9e, 10) from the lower region of the fluidized bed (20), cooled (11), screened (12, 13) on a belt (a') to obtain a particle size specific to the fluidized bed, and then recycled to the fluidized bed (15, 18).