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Patent Searching and Data


Title:
STEAM TURBINE PLANT, CONTROL DEVICE, AND STEAM TURBINE PLANT WATER QUALITY MANAGEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2021/060457
Kind Code:
A1
Abstract:
This steam turbine plant is provided with a chemical agent supply unit configured to supply a pH regulator to feed water fed to a steam generator, an adjusting unit for adjusting the amount of the pH regulator supplied to the feed water by the chemical agent supply unit, and at least one carbon steel component, including a pipe or an appliance which is formed from carbon steel and through which the feed water passes, configured in such a way that, under loaded operation conditions of the steam turbine plant, the internal temperature at least partially lies within a range of 120° to 180° inclusive, wherein the adjusting unit is configured to adjust the amount of the pH regulator that is supplied in such a way that, under the loaded operation conditions, the pH of the feed water inside each of the at least one carbon steel components is at least equal to 9.8.

Inventors:
HAMASAKI, Akihiro (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, JP)
KIDO, Haruka (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, JP)
NAKAMOTO, Mitsuru (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, JP)
TSUBAKIZAKI, Senichi (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, JP)
Application Number:
JP2020/036245
Publication Date:
April 01, 2021
Filing Date:
September 25, 2020
Export Citation:
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Assignee:
MITSUBISHI POWER, LTD. (Nishi-ku Yokohama-sh, Kanagawa 01, JP)
International Classes:
F01K9/00; C02F1/66; F01D25/00; F22B37/56; F22D11/00
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (13-16 Mita 3-Chome, Minato-k, Tokyo 73, JP)
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