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2 220 288

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Application

2002110806/06, 2002-04-23

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Start date

2002-04-23

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Actual filing date

2002-04-23

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Published

2003-12-27

(72)

Inventor

Sharapov V.I.Tsjura D.V.Sivukhina M.A.Fetkullov M.R.

(73)

Holder

Ul'Janovskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF OPERATION OF THERMAL POWER STATION Russian patent published in 2003 - IPC

Abstract RU 2220288 C1

FIELD: heat power engineering; thermal power stations. SUBSTANCE: according to proposed method system water is heated in system heaters by steam of heating extractions of extraction turbine, and feed water of heating system is deaerated in vacuum dearator before delivering into return heating system pipeline. For this purpose source water and superheated water are fed into deaerator. Preset concentration of dissolved oxygen in deaerated feed water is maintained by sequential regulation of source water temperature and superheated water flow rate. In case of rise of dissolved oxygen concentration relative to preset value, first source water temperature is raised and then, if necessary, rate of superheated water is increased. In case of drop of dissolved oxygen concentration relative to preset value, first rate of superheated water is decreased and then source water temperature. EFFECT: improved reliability and increased economy of thermal power station. 2 cl, 1 dwg

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RU 2 220 288 C1

Authors

Sharapov V.I.

Tsjura D.V.

Sivukhina M.A.

Fetkullov M.R.

Dates

2003-12-27—Published

2002-04-23—Filed

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