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METHOD AND DEVICE FOR PRODUCING SUPERHEATED STEAM FROM SATURATED STEAM AND A STEAM GENERATING FACILITY
METHOD AND DEVICE FOR PRODUCING SUPERHEATED STEAM FROM SATURATED STEAM AND A STEAM GENERATING FACILITY
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机译:由饱和蒸汽产生蒸汽的方法和装置以及一种蒸汽产生装置
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摘要
A method of generating steam for a steam turbine includes extracting a first partial flow of saturated steam from a steam drum. The first partial flow of saturated steam is throttled and then superheated by heat exchange with a second partial flow of the saturated steam. A steam power plant includes a steam turbine having a water/steam cycle in which a steam drum is connected. A separate sealing-steam line leads from said steam drum to said steam turbine. A heat exchanger in said sealing-steam line has a primary side and a secondary side. The primary side is connected to said steam drum and a throttle member is connected between said secondary side and said steam drum. A method of starting a steam turbine of a steam power plant usees the sealing steam. The steam surbine is put at an especially low risk of corrosion even during restarting after shutdown.
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