汽轮机空气快冷系统的改进

现代大型汽轮机为缩短检修工期,尤其是汽轮机故障处理时,常采用空气快冷的方法来缩短汽轮机的冷却时间。通过对汽轮机快冷系统的分析,针对所存在的问题提出了对快冷系统的改进措施。改进后的快冷系统比现在使用的系统更简单、经济,并对改进系统应用的可行性举例分析。

马头发电厂^#7机组空气快冷分析

马头发电厂~＃７机组空气快冷分析马头发电总厂阎建芳马头发电总厂＃７机组是东方汽轮机厂设计制造的，于１９８３年６月２５日投产发电，机组型号为Ｎ２００—１３０—５３５／５３５，是超高压一次中间再热三缸三排汽凝汽式汽轮机组，采用单元制运行方式。到目前为止已?..

空气快冷装置在300MW汽轮机组上的应用

介绍了空气快冷装置的作用与系统流程,结合神华国能神东电力有限责任公司萨拉齐电厂300 MW汽轮机空气快冷装置的应用实例,说明了机组停机后利用空气快冷装置可以安全、快速地降低汽轮机汽缸的金属温度,装置操作简单,运行效果良好,可有效缩短机组检修时间。

Plant Dynamics Evaluation of a MONJU Ex-vessel Fuel Storage System during a Station Blackout

The prototype fast breeder reactor ＂MONJU＂ has an EVSS （ex-vessel fuel storage system） which consists mainly of an EVST （ex-vessel fuel storage tank） and an EVST sodium cooling system. EVST sodium cooling system consists of three independent loops. During the normal operation, the primary sodium in the EVST is circulated by natural convection and the secondary circulation in the EVST sodium cooling system is powered by electromagnetic pumps. When an SBO （station blackout） occurs, all the pumps and blowers are tripped. Therefore, it was necessary to evaluate the cooling ability by the natural circulation of sodium in the EVST sodium cooling system and air through the air cooler during the SBO. In this study, an analysis and evaluation of the plant dynamics for the spent fuel and the EVSS structural integrity during an SBO were performed. When the number of cooling loops was not changed and natural circulation occurred in only two loops, the sodium temperature in the EVST increased to approximately 450 ~C. However, the structural integrity of the EVSS was maintained. The analytical results, therefore, help clarify the number of necessary cooling loops for efficient decay heat removal and sodium temperature behavior in an SBO.

600MW汽轮机的滑停技术浅析

结合电厂现场的运行操作 ,通过多次的实践、总结、再实践 ,在厂家对设备没有很详尽操作指导说明书的情况下 ,对哈尔滨汽轮机厂生产的 60 0 MW汽轮机的滑停技术进行了分析 ,提出了一些自己的见解和操作方法 。