Optimization In Startup & Shutdown Process Of Large Turbine And Research On Life

This paper calculates the temperature field and the stress field of 600 MW steam turbine rotor during the process of cold startup,hot startup,warm start-up and sliding parameter outage with CAE software ANSYS.On the basis of analysis and the calculation result of stress,more reasonable startup and stop prosess plans are formulated.Finally,the sub-module concept of life magement of turbine units is put forward,besides,according to the life assessment steps,some methods in calculation process are designed as sub-modules,a life management sofeware of steam turbine based on sub-module is developed.