期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2019
卷号：300
期号：4
页码：1-6
DOI：10.1088/1755-1315/300/4/042013
出版社：IOP Publishing
摘要：When a power plant ultra-supercritical 1000MW steam turbine generator set is running normally, the electric valve at the outlet of A steam feed pump appears serious leakage. Through on-site inspection and inspection of maintenance records, starting from the structure of the electric valve, the leakage fault of the electric valve at the outlet of A steam feed pump is diagnosed and investigated, and the cause of the fault is accurately analyzed. The leakage problem of the electric valve at the outlet of A steam feed pump has been thoroughly solved by taking effective measures such as changing the packing type, arrangement and improving the installation process.
