FLUID SAND FALLING TYPE CIRCULATING FLUIDIZED BED BOILER WITH A PLURALITY OF RISERS AND METHOD OF OPERATING THE SAME
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
May 2, 2019
filing date -
May 2, 2019
priority date (Note) -
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Abstract
Disclosed herein are a fluid sand falling type circulating fluidized bed boiler with a plurality of risers for preventing erosion and corrosion of water tubes and increasing combustion efficiency, and a method of operating the same. The fluid sand falling type circulating fluidized bed boiler with a plurality of risers includes a boiler section into which fuel and oxidizer are injected, a riser section connected to the boiler section so that the fuel and fluid sand supplied from the boiler section are introduced from the bottom of the riser section and flow up, and a relay section provided on the boiler section to supply the fluid sand having passed through the riser section to the boiler section, wherein the fuel is injected from the top of the boiler section and burned while flowing down therein.
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