Method of introducing additive into a reaction gas flow

Details Method of introducing additive into a reaction gas flow Method of introducing additive into a reaction gas flow

1982-07-21

1984-04-03

Yuen, Henry C.

Furnaces

Process

Treating fuel constituent or combustion product

110345, 44 4, 431 4, F23B 700, F23J 1100

Patent

active

044401000

ABSTRACT:
A method of continuously introducing additive, which is conveyed by gaseous and/or liquid carriers, into a turbulent reaction gas flow in the combustion chamber of a steam generator having dry ash withdrawal for selective removal, in a dry manner, of environmentally harmful gaseous noxious materials, such as sulfur, chlorine, and chlorine compounds, which are contained in a hot reaction gas flow which results after a complete or incomplete flame combustion of solid, liquid, or gaseous fuels. Depending upon the additive introduced, heat is stored and/or used for decomposition reactions. The additive, is first introduced at one or more input locations, due to locally different pressure conditions in the combustion chamber, into one or more recirculation flows which are within the system and are closed. The additive is subsequently withdrawn from these recirculation flows and is introduced into the reaction gas flow.

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patent: 4369719 (1983-01-01), Engstrom et al.
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