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Method of air preheating for combustion power plant and systems comprising the same

United States Patent

December 12, 2017
View the Complete Patent at the US Patent & Trademark Office
Disclosed herein is a heat exchanger for transferring heat between a first gas flow and a second gas flow, the heat exchanger comprising at least two sectors; a first sector that is operative to receive a combustion air stream; and a second sector that is opposed to the first sector and that is operative to receive either a reducer gas stream or an oxidizer gas stream, and a pressurized layer disposed between the first sector and the second sector; where the pressurized layer is at a higher pressure than combustion air stream, the reducer gas stream and the oxidizer gas stream.
Zhang; Wei (South Windsor, CT)
13/ 923,936
June 21, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The subject matter of the present invention was developed under a research contract with the U.S. Department of Energy (DOE), Contract No. DE-FE0009484. The government of the United States has certain rights in the invention.