Research on Metal Supervision and Inspection Standards for Gas-steam Combined Cycle Units

被引：0
|
作者：
Shi Yan [1 ]
Xiang Wenguo [1 ]
Chen Shiyi [1 ]
机构：
[1] Southeast Univ, Nanjing 210096, Peoples R China
来源：
2020 INTERNATIONAL CONFERENCE ON CLIMATE CHANGE, GREEN ENERGY AND ENVIRONMENTAL SUSTAINABILITY (CCGEES 2020) | 2021年 / 228卷
关键词：
D O I：
10.1051/e3sconf/202122801011
中图分类号：
F3 [农业经济];
学科分类号：
0202 ; 020205 ; 1203 ;
摘要：
Domestic gas-steam combined cycle units start and stop frequently, and the load changes greatly, which accelerate the expansion of defects, such as fatigue, cracks, and organizational deterioration of metal components. In view of the problems caused by the material selection characteristics of gas-steam combined cycle units and the daily shutdown mode, several common typical cases of gas-steam combined cycle units are analyzed, such as compressor blade fatigue fracture, main steam combined valve body fatigue cracks, pipeline and pressure vessel weld fatigue cracks. As well, the gas-steam combined cycle unit metal supervision content and inspection emphasis are studied and supplemented.
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页数：4
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