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Patent Searching and Data


Title:
COAL FIRED FLUIDIZED BED BOILER
Document Type and Number:
Japanese Patent JP11051313
Kind Code:
A
Abstract:

To provide a coal fired fluidized bed boiler in which the quantity of limestone for desulphurization can be regulated while facilitating the height control of fluidized bed.

Along with coal from a coal supply hopper 1 and limestone from a limestone supply hopper 2, magnesium oxide is supplied from a magnesium oxide supply hopper 6 to a fluidized bed boiler 3. In the fluidized bed 4 of the fluidized bed boiler 3, the magnesium oxide serves as a fluid material and a medium for transferring heat to a heating tube 5.


Inventors:
Ogata, Hiroshi
Hashimoto, Akira
Tsuchiyama, Yoshihiko
Koyanagi, Toshio
Seike, Yajuro
Application Number:
JP1997000208952
Publication Date:
February 26, 1999
Filing Date:
August 04, 1997
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F23C10/00; F23C10/00; (IPC1-7): F23C11/02