Feedwater system of combined cycle power plant

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10760453
APP PUB NO 20170268383A1
SERIAL NO

15459263

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Abstract

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A combined cycle power plant feedwater system includes: a feed pump which supplies feedwater to a heat recovery steam generator; a first pipe which extracts part of the feedwater from a flow path in mid-course of pressurization of the feed pump; a first boiler supplied with the feedwater led into the first pipe and subjected to first water treatment; a second pipe where the feedwater discharged from a feed pump outlet flows; a second boiler supplied with the feedwater led into the second pipe and subjected to second water treatment more downstream than the flow path in mid-course of the pressurization; and a water-treating substance supply device which supplies a water-treating substance for the second water treatment to the feedwater flow path in the feed pump, at a position more downstream than a connection position of the first pipe and more upstream than a connection position of the second pipe.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBAKANAGAWA KANAGAWA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Manabu Yokohama, JP 47 459
Hirayama, Kento Yokohama, JP 1 4
Terada, Shinichi Yokohama, JP 24 132

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