Combined power generation system with feedwater fuel preheating arrangement

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United States of America Patent

PATENT NO 11719156
APP PUB NO 20220316395A1
SERIAL NO

17677006

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Abstract

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A combined power generation system is provided. The combined power generation system includes a gas turbine configured to combust fuel to generate a rotational force, a heat recovery steam generator (HRSG) configured to heat feedwater using combustion gas discharged from the gas turbine and include a high-pressure section, a medium-pressure section, and a low-pressure section with different pressure levels, a fuel preheater configured to heat the fuel supplied to the gas turbine and include a primary heating part and a secondary heating part, and a high-pressure feedwater supply pipe connected to the high-pressure section to supply high-pressure feedwater to the secondary heating part.

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Patent Owner(s)

Patent OwnerAddress
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO LTD22 DOOSANVOLVO-RO SEONGSAN-GU CHANGWON-SI GYEONGSANGNAM-DO 51711

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bak, Byoung Gu Suwon, KR 11 13
Cha, Song Hun Osan, KR 15 31
Ha, Hong Geun Yongin, KR 9 3
Kang, Sung Gju Yongin, KR 8 19

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