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介绍了 GE公司 660 MW机组汽轮机结构及启动特点。对双向自动调整可倾瓦轴承、斜面式推力轴承、滑销系统工作原理作了描述 ;对冷热态启动方式、汽缸预暖、旁路系统及控制、进汽模式选择、变压运行方式等进行了探讨 ,对启动过程中的热应力控制提出了推荐性意见 ,可供同类型机组运行时借鉴
This paper introduces the structure and start-up characteristics of the steam turbine of GE 660 MW unit. Two-way automatic adjustment of tilting pad bearings, inclined thrust bearings, sliding pin system described the working principle of the hot and cold start mode, the cylinder preheating, bypass system and control, intake mode selection, transformer operation mode Discussed, put forward the suggestion to the thermal stress control in the start-up process, which can be used for the same type of unit operation