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STEAM TURBINE PLANT, COMBINED CYCLE PLANT INCLUDING THE SAME, AND METHOD OF OPERATING STEAM TURBINE PLANT
STEAM TURBINE PLANT, COMBINED CYCLE PLANT INCLUDING THE SAME, AND METHOD OF OPERATING STEAM TURBINE PLANT
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机译:汽轮机厂,包括该汽轮机厂的联合循环厂和操作汽轮机厂的方法
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摘要
PROBLEM TO BE SOLVED: To improve efficiency of a steam turbine plant including a plurality of steam turbines.;SOLUTION: A boiler 20 includes: one or more evaporators 22, 26 for heating inflow water to a constant pressure specific heat maximum temperature or more at which a constant pressure specific heat becomes maximum, by heating fluid to vaporize the water; and one or more reheaters 31 for heating the steam from the boiler 20 by the heating fluid. The steam turbine has a high-pressure steam turbine 41 for supplying the steam from the high-pressure evaporator 26 in which a pressure of the inflow water is highest, and a low-pressure steam turbine 43 to which the steam heated by one or more reheaters 31 is supplied. All of the reheaters 31 for supplying the steam to the low-pressure steam turbine 43 are disposed only at a downstream side of the high-pressure evaporator 26. All of the reheaters 31 include the steam passing through the high-pressure steam turbine 41, and heat the steam FRHS for reheating having a temperature lower than the constant pressure specific heat maximum temperature in the high-pressure evaporator 26 to less than the constant pressure specific heat maximum temperature.;COPYRIGHT: (C)2015,JPO&INPIT
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