Large scale fluidized bed reactor

Details Large scale fluidized bed reactor Large scale fluidized bed reactor

1992-12-24

1994-07-05

Bennet, Henry A.

Liquid heaters and vaporizers

Miscellaneous

16510416, 422146, 110245, F22B 100

Patent

active

053258231

ABSTRACT:
A fluidized bed reactor in which partitions disposed within a vessel form first and second furnace sections, first and second troughs and a heat exchange section such that the first trough is disposed between the first furnace section and the heat recovery section and the second trough is disposed between the second furnace section and the heat recovery section. A fluidized bed is formed in each of the furnace sections for the combustion of fuel to generate heat and to generate a mixture of combustion gases and entrained particulate solids. The mixtures from the furnace sections are received in first and second horizontal cyclone separators, both formed within the vessel for separating the entrained particulate solids from the combustion gases. Outlets extend from the horizontal cyclones to discharge the separated solids to the first and second troughs, respectively. The troughs are divided into first and second sets of compartments with slanted roofs disposed between the cyclone separators and the second sets of compartments for directing the separated solids into the first sets of compartments. Openings are formed in the partitions for permitting the passage of the separated solids from the first sets of compartments into the heat recovery section, for permitting the passage of the separated solids from the heat recovery section to the second sets of compartments, and for permitting the passage of the separated solids from the second sets of compartments to the first and second furnace sections.

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