超超临界机组四大管道工厂化配制过程的常见质量问题及控制  

Common Quality Problems and Control of Factory Preparation for Four Major Pipes in Ultra Supercritical Thermal Power Units

作　　者：田晓[1] 肖国华[1] 李益民[1] 曹剑锋[1] 杨百勋[1] 

机构地区：[1]西安热工研究院有限公司,西安市710032

出　　处：《电力建设》2011年第12期100-104,共5页Electric Power Construction

摘　　要：对超超临界机组四大管道在工厂化配制过程中出现的表面质量问题、几何尺寸问题、硬度异常、金相组织异常、焊接缺陷等常见质量问题进行汇总、分析,并提出相应的质量控制措施及建议,可为进一步提高四大管道的制造质量提供参考。In this paper, common quality defects during factory preparation of the four major pipes in ultra-supercritical thermal power units are summarized and analyzed, such as surface quality, off-dimension, hardness abnormal and metallographic structure abnormal, weld defects and so on. Then the corresponding quality control measures and suggestions are put forward, providing references for further improving the processing quality of the four major pipes.

关 键 词：超超临界机组 四大管道 表面质量 硬度 焊接缺陷 

分 类 号：TM62[电气工程—电力系统及自动化] TG11[金属学及工艺—物理冶金]