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Coal-feeding mechanism for a fluidized bed combustion chamber

Patent ·
OSTI ID:863896
 [1]
  1. Morgantown, WV
+ Show Author Affiliations
The present invention is directed to a fuel-feeding mechanism for a fluidized bed combustor. In accordance with the present invention a perforated conveyor belt is utilized in place of the fixed grid normally disposed at the lower end of the fluidized bed combustion zone. The conveyor belt is fed with fuel, e.g. coal, at one end thereof so that the air passing through the perforations dislodges the coal from the belt and feeds the coal into the fluidized zone in a substantially uniform manner.
Research Organization:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4270469
OSTI ID:
863896
Country of Publication:
United States
Language:
English

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Related Subjects

/110/
accordance
air
bed
bed combustion
bed combustor
belt
chamber
coal
coal-feeding
combustion
combustion chamber
combustion zone
combustor
conveyor
conveyor belt
directed
dislodges
disposed
fed
feeds
fixed
fluidized
fluidized bed
fuel
fuel-feeding
grid
manner
mechanism
normally
normally disposed
passing
perforated
perforations
substantially
substantially uniform
uniform
uniform manner
utilized
zone