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Large and small particles in CFB combustors

Yongjie Na ; Guizhang Yan ; Xiaolan Sun ; Ping Cui ; Jun He ; Maria Karlsson (Institutionen för energiomvandling) ; Bo Leckner (Institutionen för energiomvandling)
Proc of the 5th International Conference on Circulating Fluidized Bed Vol. 5 (1996), p. 194-199.
[Konferensbidrag, refereegranskat]

The behaviour of coarse particles was studied in a fluidized bed rig and in a 12 MW CFB boiler. Minimum fluidization velocity and the entrainment rate of course particles from a bed with and without fine sand were measured in the cold rig. A series of solid samples were talen from the boiler furnace in different points with suction probes under various test conditions. The amount of coarse particles was analysed. Bulk densities at different heights with and without coarse particles were compared. It was found that both the minimum fluidisation and terminal velocities were influenced by the flux of fine particles.

Nyckelord: Fluidized bed combustion; Circulating fluidized bed; Particle size distribution


The ISBN is given as 7-03-006111-X/TQ



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Denna post skapades 2016-06-28. Senast ändrad 2016-08-15.
CPL Pubid: 238573

 

Institutioner (Chalmers)

Institutionen för energiomvandling (1900-2003)

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Energi
Termisk energiteknik

Chalmers infrastruktur

Chalmers Kraftcentral (CK)