Furnaces – Fuel feeders – Blower
Patent
1994-09-02
1996-08-13
Bennett, Henry A.
Furnaces
Fuel feeders
Blower
122 40, 110263, 110264, 110265, 110245, 110238, F23K 100
Patent
active
055445969
ABSTRACT:
The present invention relates to a method of supplying coal and sulphur absorbent to a combustor with combustion in a fluidized bed. The coal is crushed and sorted into a fine and a coarse fraction. The fine fraction is mixed with water, possibly with oil and/or emulsifier, into a paste which is pumped into the bed of the combustor via a number of first nozzles. The coarse coal fraction is supplied to the combustor pneumatically in dry state, directly or via at least one lock hopper systems and a number of other nozzles. The invention also relates to a power plant for application of the method.
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Patent abstracts of Japan, vol. 4, No. 183, m 47, abstract of JP 55-131617, pub. 1980-10-13.
Patent abstracts of Japan, vol. 7, No. 246, m253, abstract of JP 58-133506, publ. 1983-08-09 (Kawasaki Jukogyo K.K.).
Patent abstracts of Japan, vol. 4, No. 183, m 47, abstract of JP 55-131617, publ. 1980-10-13 ( Mitsui Zosen K.K.).
ABB Stal AB
Bennett Henry A.
Ohri Siddharth
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