ANALYSIS AND SELECTION OF HIGH PRESSURE HEATERS DESIGN FOR A NEW GENERATION OF NPP WITH BN-1200 REACTOR PLANT

A. Yu. Yurchenko; Yu. G. Sukhorukov; N. N. Trifonov; P. V. Egorov; E. B. Nabagez; S. B. Esin; F. A. Svyatkin; E. K. Nikolaenkova; P. Yu. Prikhod’ko; V. V. Nazarov

doi:10.24223/1999-5555-2017-10-3-249-256

ANALYSIS AND SELECTION OF HIGH PRESSURE HEATERS DESIGN FOR A NEW GENERATION OF NPP WITH BN-1200 REACTOR PLANT

A. Yu. Yurchenko, Yu. G. Sukhorukov, N. N. Trifonov, P. V. Egorov, E. B. Nabagez, S. B. Esin, F. A. Svyatkin, E. K. Nikolaenkova, P. Yu. Prikhod’ko, V. V. Nazarov

https://doi.org/10.24223/1999-5555-2017-10-3-249-256

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Abstract

Development of advanced high-power steam-turbine plants (STP) involves paying a particular attention to design of reliable and economical high-pressure heater (HPH) capable to maintain the specified thermal hydraulic performance throughout its service life. Comparative analysis has been performed of the known designs of HPH, such as the spiralcollector HPH, the collector-coiled HPH, the collector-platen modular HPH, and the chamber HPH. The advantages and disadvantages of each design are pointed out. For better comparison, the heaters are divided into two groups — horizontal and vertical ones. The weight and dimension characteristics, the materials and features of the basic elements, and operating features of diff erent HPH are presented. At operation of the spiral-collector HPH used in most of regenerative arrangements of high-pressure STP of thermal and nuclear power plants, the disadvantages reducing the economy and reliability of their operation have been revealed. Recommendations are presented aimed at raising the reliability of HPH, reducing underheating of feed water, making the dimensions more compact. Some of these were developed by specialists of OAO «NPO TsKTI» and are successfully implemented at thermal power plants and nuclear power plants. Technical solutions have been proposed to reduce the cost of the regeneration system and the weight of chamber HPH, and to ensure reliability of the steam and condensate coolers built in the HPH housing under all operating conditions. Design solutions are described that have been implemented in HPH of the regeneration system of 1000 and 1200 MW turbines with a water-moderated watercooled power reactor (WMWCPR). The optimal design of HPH for the high-pressure regeneration system of a turbine plant with BN-1200 reactor has been selected.

Keywords

reactor unit BN-1200, high pressure heaters, chamber, spiral-collector, collector-coil, collector-screen and modular, power engineering in Russia

About the Authors

A. Yu. Yurchenko

Joint-Stock Company «I. I. Polzunov Scientific and Development Association on Research and Design of Power Equipment» («NPO CKTI»)
Russian Federation
3/6 Atamanskaya str., Saint-Petersburg, 191167

Yu. G. Sukhorukov

N. N. Trifonov

P. V. Egorov

E. B. Nabagez

S. B. Esin

F. A. Svyatkin

E. K. Nikolaenkova

P. Yu. Prikhod’ko

JSC Power Machines
Russian Federation
ul. Vatutina 3A, St. Petersburg, 195009

V. V. Nazarov

JSC Power Machines
Russian Federation
ul. Vatutina 3A, St. Petersburg, 195009

References

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Review

For citations:

Yurchenko A.Yu., Sukhorukov Yu.G., Trifonov N.N., Egorov P.V., Nabagez E.B., Esin S.B., Svyatkin F.A., Nikolaenkova E.K., Prikhod’ko P.Yu., Nazarov V.V. ANALYSIS AND SELECTION OF HIGH PRESSURE HEATERS DESIGN FOR A NEW GENERATION OF NPP WITH BN-1200 REACTOR PLANT. Safety and Reliability of Power Industry. 2017;10(3):249-256. (In Russ.) https://doi.org/10.24223/1999-5555-2017-10-3-249-256

ISSN 1999-5555 (Print)
ISSN 2542-2057 (Online)

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Safety and Reliability of Power Industry

ANALYSIS AND SELECTION OF HIGH PRESSURE HEATERS DESIGN FOR A NEW GENERATION OF NPP WITH BN-1200 REACTOR PLANT

Full Text:

Abstract

Keywords

About the Authors

References

Review

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