STEAM TURBINE AND METHOD FOR OPERATING A STEAM TURBINE
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United States of America Patent
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Issued Date -
Aug 17, 2017
app pub date -
Aug 19, 2015
filing date -
Aug 20, 2014
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Abstract
A steam turbine having a cooling option, in which steam is taken from the flow channel, the steam cooling the thrust-compensating intermediate floor, being mixed with a small amount of live steam and being returned to the flow channel. A method cools the steam turbine, wherein steam is extracted from the high-pressure region and is fed to a space between the thrust-compensating partition wall and inner casing, wherein steam from the space between the thrust-compensating partition wall and the inner casing is fed via a first cross feedback passage to the high-pressure region.
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