FLUIDIZED BED FURNACE AND WASTE TREATMENT METHOD
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United States of America Patent
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Issued Date -
Apr 18, 2013
app pub date -
Jun 21, 2011
filing date -
Jun 22, 2010
priority date (Note) -
Abandoned
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Abstract
A waste treatment technique includes: blowing a fluidizing gas from around a non-combustible substance discharge port toward fluidizable particles to form a first fluidization region, while blowing a fluidizing gas between the first fluidization region and a front wall at a flow velocity less than that in the first fluidization region to form a second fluid region having a relatively low degree of fluidization of fluidizable particles; returning fluidizable particles discharged from the non-combustible substance discharge port to a fluidized bed from the side of the front wall to form, in the fluidized bed, a flow of fluidizable particles directed from the front wall to the non-combustible substance discharge port; supplying waste from the front wall onto the fluidized bed to cause the waste to be accumulated on the second fluidization region while causing the accumulated waste to be moved into the first fluidization region step-by-step and gasified.
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