Process for the combustion of carbonaceous materials in a circul

Liquid heaters and vaporizers – Miscellaneous

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110245, 16510416, F22B 100

Patent

active

047412909

ABSTRACT:
In a process and a fluidized bed furnace installation for performing the process for the combustion of carbonaceous materials in a fluidized bed reactor with an atmospheric or pressurized, circulating fluidized bed, wherein solids are circulated in a circulation system consisting of a fluidized bed reactor, at least one separator, and at least one return line, and wherein solids are withdrawn from the circulation system, and wherein the stack gases are discharged downstream of the separator, and wherein combustion heat is removed at least by way of heating surfaces of the fluidized bed reactor and by way of stack-gas-exposed heating surfaces downstream of the separator, the invention provides that a partial stream of solids withdrawn from the circulation system is admixed to the stack gases or waste gases, exiting from the separator, upstream of the heating surfaces for the removal of heat from the stack gases.

REFERENCES:
patent: 4111158 (1978-09-01), Reh et al.
patent: 4471723 (1984-09-01), Chrysostome
patent: 4522154 (1985-06-01), Taylor et al.
patent: 4665865 (1987-05-01), Zubrod
patent: 4682567 (1987-07-01), Garcia-Mallol et al.

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