Fluidized bed system
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United States of America Patent
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Apr 4, 1989
Grant Date -
N/A
app pub date -
Feb 25, 1988
filing date -
Feb 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a fluidized bed system which includes a fluidized bed reactor, a solids separator and a return line and serves to carry out exothermic processes in a circulating fluidized bed for large thermal capacities. Secondary gas is introduced into the reactor on a level which is at least 1 meter above the bottom of the reactor. The fluidized bed system is provided with one or more displacing bodies, which cover 40 to 75% of the bottom surface area of the fluidized bed reactor and have a maximum height that is equal to one-half of the height of the reactor to ensure a satisfactory transverse mixing of the oxygen-containing secondary gas and fuel in reactors having large dimensions.
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