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Title: Distributor for multistage fluidized beds

This patent describes a multibed fluidized bed system. It comprises a fluidized bed vessel having a casing surrounding a first distributor and a second distributor downstream from the first distributor; a first bed material placed on the first distributor and a second bed material placed on the second distributor; each of the bed materials having an angle of repose; and wherein the angle formed by the substantially straight elongated tubular passages and the upper surface is less than the angle of repose of the second bed material.
Authors:
Publication Date:
OSTI Identifier:
7171734
Report Number(s):
US 5122346; A
PPN: US 7-521579
Resource Type:
Patent
Resource Relation:
Patent File Date: 10 May 1990
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 42 ENGINEERING; COAL; FLUIDIZED-BED COMBUSTION; FLUIDIZED BEDS; TECHNOLOGY ASSESSMENT; CARBONACEOUS MATERIALS; CHEMICAL REACTIONS; COMBUSTION; ENERGY SOURCES; FOSSIL FUELS; FUELS; MATERIALS; OXIDATION; THERMOCHEMICAL PROCESSES 014000* -- Coal, Lignite, & Peat-- Combustion; 421000 -- Engineering-- Combustion Systems