BRITTLE FAILURE PREVENTION OF TURBINE ROTOR OF DOMESTIC 300MW UNIT[J]. Thermal power generation, 1992, (4): 43-46. DOI: 10.19666/j.rlfd.1992.04.010.
国产300MW汽轮机预防转子脆性损伤的研究
摘要
汽轮机冷态启动升速过程中
合理安排中速暖机
提高转子金属温度
预防脆性损伤是实现汽轮机安全运行的重要内容之一。本文应用有限元计算方法
对国产300MW汽轮机冷态启动升速过程中
高、中压转子温度场进行了计算。对预防转子脆性损伤进行了分析
并提出了预防措施和建议。
Abstract
One of the most important factors influencing the safety operation of steam turbine during cold start-up is the determination of warming-up conditions and time at middle speed. Proper increase of rotor temperature can prevent rotor from brittle failure. This paper presents a calculation
by using FEM
on the temperature field of HP and LP rotors during cold start-up. Brittle failure are analyzed and prevention measures recommended.