Steam temperature control device for a gas and steam turbine plant
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United States of America Patent
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Dec 18, 2018
Grant Date -
Dec 24, 2015
app pub date -
Jan 24, 2014
filing date -
Feb 12, 2013
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Abstract
A steam-temperature control device for a gas- and steam turbine plant, including a feed water line, a feed-water control valve located in the feed water line and a water injection line which branches off from the feed water line upstream of the feed-water control valve in the flow direction of said water and which opens into an injection cooler is provided. The steam-temperature control device is characterized in that a pre-heating device for the injection water is connected in the water injection line. A method for controlling the steam temperature in a gas- and steam turbine plant is also provided.
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