System and process for recycling fluidized boiler bed material
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United States of America Patent
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Aug 10, 2021
Grant Date -
Sep 17, 2020
app pub date -
Apr 10, 2018
filing date -
Apr 12, 2017
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Abstract
The invention relates to a system for recycling fluidized bed boiler bed material, comprising: a. a bottom ash removal device for removing bed material from a fluidized bed boiler, b. a mechanical classifier (10) comprising a mesh size from 200 to 1,000 μm designed to separate a coarse and a fine particle size fraction, c. a magnetic separator (12) designed to magnetically classify the fine particle fraction from the mechanical classifier, d. a device for recirculating the magnetic particle fraction into the boiler. The invention allows effective recirculation and reuse of ilmenite bed material.
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