Saint Petersburg, Russia
Saint Petersburg, Russia

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Getsov L.B.,OAO NPO Central Boiler Turbine Institute | Rybnikov A.I.,OAO NPO Central Boiler Turbine Institute | Dobina N.I.,OAO NPO Central Boiler Turbine Institute | Dashunin N.V.,OOO Gasprom Transgaz
Thermal Engineering (English translation of Teploenergetika) | Year: 2011

Results from thermocyclic tests of nickel- and cobalt-based alloys used to manufacture blades for modern gas turbines are presented. © 2011 Pleiades Publishing, Ltd.


Ovchinnikov V.A.,OAO Dorogobuzhkotlomash | Petrikov S.A.,OAO Dorogobuzhkotlomash | Krylov A.K.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2011

Information on how the manufacture of hot-water boilers was established and developed at the Dorogobuzh Boiler Construction Works in the period from 1962 to 2010 is presented. Main lines in which the designs of boilers produced at the enterprise were improved and modernized are pointed out. Data on the pro- duction of boilers in different years for the above-mentioned period of time are given together with the pre- dicted volumes of production and capacities of boilers expected in 2011. © Pleiades Publishing, Inc., 2011.


Belyakov I.I.,OAO NPO Central Boiler Turbine Institute | Breus V.I.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2010

Results of research works on studying the occurrence of hydraulic instability in once-through boilers in startup modes and during operation at sliding pressure are presented. To prevent the occurrence of hydraulic instability, it is suggested that the hydraulic characteristics of intricate elements used in parallel-connected subflows be calculated. © 2010 Pleiades Publishing, Ltd.


Khomenok L.A.,OAO NPO Central Boiler Turbine Institute | Kruglikov P.A.,OAO NPO Central Boiler Turbine Institute | Smolkin Yu.V.,OAO NPO Central Boiler Turbine Institute | Sokolov K.V.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2012

The main stages of a calculation and experimental analysis of measures aimed at achieving better power performance of a nuclear power station and a procedure for carrying out such analysis are considered. The results of a calculated and experimental assessment of the power-performance effect from modernization of the moisture separators-steam superheaters used in turbine generators Nos. 7 and 8 of Unit 4 at the Leningrad nuclear power station are presented. © Pleiades Publishing, Inc., 2012.


Belyakov I.I.,OAO NPO Central Boiler Turbine Institute | Breus V.I.,OAO NPO Central Boiler Turbine Institute | Barannikov A.B.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2012

Results from work on analyzing the performance of the P-90 heat-recovery boilers used as part of the PGU-450T-based Unit 1 at the Severozapadnaya cogeneration station and on revealing factors causing damage to the bends of evaporating tubes are presented. Technical solutions using which a V-94.2 gas turbine can be replaced by a GTE-160 gas turbine are considered. © Pleiades Publishing, Inc., 2012.


Gavrilov S.N.,OAO NPO Central Boiler Turbine Institute | Sudakov A.V.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2012

We describe the stages of works on examining the technical state and extending the service life of the main elements of steam turbines. As an example we analyze unique experience gained from activities performed from 1993 to 2010 for examining the technical state and determining the remaining service life of VPT-50-4 turbines operating under the same conditions at the same thermal power station with a view to extend their service life. © Pleiades Publishing, Inc., 2012.


Kachuriner Yu.Ya.,OAO NPO Central Boiler Turbine Institute | Nosovitskii I.A.,OAO NPO Central Boiler Turbine Institute | Orlik V.G.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2012

Measures aimed at making steam turbines more economically efficient, reliable, and suitable for repair, and at increasing their available power output through reducing abrasive and drop impingement erosion of blades and improving the vacuum tightness, modernization, and monitoring of the labyrinth seals are proposed. © 2012 Pleiades Publishing, Ltd.


Lanin A.A.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2012

Stages through which welded items of power installations are designed in mechanical and technological respects are analyzed. Results obtained from theoretical and experimental studies of the criteria for local brittle fractures used during manufacture and operation of welded structures are given. The most efficient methodological approach for designing constructions and technologies is substantiated. © Pleiades Publishing, Inc., 2012.


Trifonov N.N.,OAO NPO Central Boiler Turbine Institute | Kovalenko E.V.,OAO NPO Central Boiler Turbine Institute | Nikolaenkova E.K.,OAO NPO Central Boiler Turbine Institute | Tren'Kin V.B.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2012

The intermediate separation and steam reheating system and its equipment are described. Problems concerned with the presence of condensate in the stack's lower chamber and in the removing chamber, with cavitation failure of the separated moisture pumps, with misalignment of heating steam flowrates, with unstable draining of heating steam condensate, with occurrence of self oscillations, etc. are considered. A procedure for determining the level in removing heating steam condensate from steam reheater elements is proposed. Technical solutions for ensuring stable operation of the intermediate separation and steam reheating system and for achieving smaller misalignment between the apparatuses are developed. © 2012 Pleiades Publishing, Ltd.


Shemyakin V.N.,OAO NPO Central Boiler Turbine Institute | Karapetov A.E.,OAO NPO Central Boiler Turbine Institute
Thermal Engineering (English translation of Teploenergetika) | Year: 2012

Experience gained from mastering practical use of the technology of low-temperature fluidized bed as applied to the firing of combustible shales, milled peat, and various wood wastes is generalized. The design characteristics of boilers and results from their tests are presented. Special attention is paid to formation of agglomerates from particles of bed material and slag deposits on the nonshielded surfaces of a furnace chamber, problems inherent in the given technology. Methods to control the formation of agglomerates and deposits are considered. © Pleiades Publishing, Inc., 2012.

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