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2 293 251

(13)

(51)

IPC

F22B37/48(2006-01-01)

(21) (22)

Application

2005123226/06, 2005-07-22

(24)

Start date

2005-07-22

(22)

Actual filing date

2005-07-22

(45)

Published

2007-02-10

(72)

Inventor

Man'Kina Nadezhda NaumovnaKaplina Valentina Jakovlevna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Teplotekhnicheskij Nauchno-Issledovatel'Skij Institut"

METHOD OF PRODUCING OXYGEN WATER-CHEMICAL REGIME IN STEAM TURBINE POWER PLANT OF SUPERCRITICAL PRESSURE Russian patent published in 2007 - IPC F22B37/48

Abstract RU 2293251 C1

FIELD: heat power engineering.

SUBSTANCE: method comprises preliminary water-oxygen cleaning and passivating of water-steam path of the power plant by means of a cleaning water-based agent in the mixture with oxygen at a high temperature of 350-450°C and high oxygen concentration of 1-2 g/kg. During operation, oxygen is supplied to the feeding water permanently, and at a concentration of ferrum compounds more than 10 μg/kg, oxygen is supplied periodically. The concentration of oxygen in feeding water ranges from 70 to 100 μg/kg.

EFFECT: enhanced safety.

1 dwg, 2 ex

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RU 2 293 251 C1

Authors

Man'Kina Nadezhda Naumovna

Kaplina Valentina Jakovlevna

Dates

2007-02-10—Published

2005-07-22—Filed