【摘要】 分析比较国产(包括引进技术生产的)亚临界300MW汽轮机通流部分经济性与国外先进水平的差距。从叶片叶型、汽轮机级及包括进排汽部分在内的所有流道三方面作了具体分析。并以东方300MW汽轮机为例,着重对调节级、进排汽部分等作了较详细的分析,提出相应的改进措施。更多还原

【Abstract】 The article analyses and compared the home (including introduce-type) subcritical 300MW turbine flow section’s economy with those advanced abroad, and gives a detailed aralysis in blade profile, turbine stage and the whole flow path including admission/ exhausting parts Meanwhile, with an example of Dongfang 300MW turbine the author makes a detailed analysis to adjust stage, admission/exhausting parts and put forward relevant improvement methods.更多还原