【摘要】 结合太原第一热电厂技改工程1×200MW空冷供热机组的情况，针对空冷供热机组设计背压高、背压变化频繁、变化范围大等特点，分析、论述了国内200MW空冷供热机组未级叶片的优化设计及低压缸的安全可靠措施。更多还原

【Abstract】 According to the practice in the technolog-ical innovation of 1×200MW of Taiyuan Second Thermal Plant, the optimum design of 200MW air cooling and heat supply unit and the safe, reliable measure of the low pressure case are analysed in de-tail, for the high design back pressure verying fre-quently and greatly.更多还原