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Охлаждение паровых турбин

Authors: Arkadyev, B A;

Охлаждение паровых турбин

Abstract

The basic principles of the cooling of high-temperature steam turbines, and constructive solution used for the creation of the world’s first cooled steam turbine SKR-100 (R-100-300) and some of its operational results and their conclusions are expounded. Principal differences are shown between thermodynamic properties of cooling medium in steam and gas turbines as well as reactive fulfilment prefer of steam turbine cooled cylinder flow parts. Some of the turbine operational results and their conclusions are expounded. This turbine had the power of 100 MW, initial steam parameters about 30 MPa, 650 C, and back pressure 3 MPa. It was created by Kharkov turbine plant in 1961 and ran successfully at Kashira GRES. In 1979 the turbine was taken out of use when it was still fully efficient, because the tree tail turbines where the steam from the turbine SKR-100 put down have concluded their resource. Some dates about constructive features and operating results of super-high pressure turbine cylinders of American unites Philo 6 (General Electrical) and Eddystone 1 (Westinghouse) which were close to SKR-100 in designing initial steam parameters and starting times are cited for comparison. The high reliability and efficiency of the cooling system that was used in the unit SKR-100 turbine super-high pressure cylinder confirm rightfulness and expediency of principles, and constructive solutions lied at its creating. Application of offered approach to multistage turbine cooling is capable to limit using of new more expensive ovenproof materials which are essential in steam generator building for big turbine details and sometime deny them in general.

Викладено основні принципи охолодження високотемпературних парових турбін та конструкційні рішення, закладені при створенні першої в світі охолоджуваної парової турбіни СКР-100 (Р-100-300), а також деякі результати її експлуатації i висновки з них. Ця турбіна потужністю 100 МВт з початковими параметрами пари близько 30 МПа, 650 С та протитиском 3 МПа, була виготовлена Харківським турбінним заводом у 1961 році и успішно працювала на Каширській ДРЕС до 1979 року, коли була виведена з експлуатації у цілком робочому стані.

Изложены основные принципы охлаждения высокотемпературных паровых турбин и конструктивные решения, заложенные при создании первой в мире охлаждаемой паровой турбины СКР-100 (Р-100-300), а также некоторые результаты её эксплуатации и выводы из них. Эта турбина мощностью 100 МВт на начальные параметры пара около 30 МПа, 650 С с противодавлением 3 МПа была изготовлена Харьковским турбинным заводом в 1961 г. и успешно работала на Каширской ГРЭС до 1979 г., когда была выведена из эксплуатации во вполне рабочем состоянии.

Keywords

super-critical steam parameters; steam turbines cooling; turbine SKR-100; operation experience; perspective of using., суперкритические параметры пара; охлаждение паровых турбин; турбина СКР-100; опыт эксплуатации; перспективы использования, надкритичні параметри пари; охолодження парових турбін; турбіна СКР-100; досвід експлуатації; перспективи використання.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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