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    • 16. 发明专利
    • Single-shaft combined plant
    • 单轴组合工厂
    • JP2003020913A
    • 2003-01-24
    • JP2001207266
    • 2001-07-09
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TANAKA SATOSHIMATSUOKA SANJI
    • F01D21/00F01D21/06F01D21/14F01D21/16F01K23/10F01K23/14F02C9/26F02C9/42F02C9/46
    • F02C9/42F01D21/06F01D21/14F01K23/101F02C9/26F02C9/46F05D2220/72F05D2220/74F05D2270/13Y02E20/16
    • PROBLEM TO BE SOLVED: To provide a single-shaft combined plant provided with an emergency shut-off oil system having such a constitution that a steam turbine can be independently stopped, and even when a trip valve provided to a gas turbine emergency shut-off oil line can not be opened due to failure, a gas turbine can be surely stopped. SOLUTION: The emergency shut-off oil system is constituted such that only the steam turbine 40 is stopped when a trip solenoid valve 47 for a governing valve is opened; in an emergency shut-off oil line 42 for fuel gas control valve, an emergency shut-off oil line 43 for fuel oil control valve, and an emergency shut-off oil line 46 for governing valve a master trip solenoid valve 51 is connected, via check valves 48, 49, and 50, respectively, and when the master trip solenoid valve 51 is opened, both of the steam turbine 2 and the gas turbine 1 are stopped.
    • 要解决的问题:提供一种具有紧急关闭油系统的单轴联合设备,其具有能够独立地停止蒸汽轮机的结构,并且即使当设置在燃气轮机上的跳闸阀紧急关闭 油管由于故障不能打开,燃气轮机可以肯定停止。 解决方案:紧急关闭油系统构成为仅当打开用于调节阀的跳闸电磁阀47时,蒸汽轮机40停止; 在用于燃料气体控制阀的紧急关闭油路42中,连接有用于燃料油控制阀的紧急切断油路43和用于调节主阀跳闸电磁阀51的紧急切断油路46, 分别通过止回阀48,49和50,并且当主跳闸电磁阀51打开时,蒸汽轮机2和燃气轮机1都停止。