论文部分内容阅读
根据JB/T4730—2005《承压设备无损检测》对小径管环向对接接头椭圆成像的要求,结合现场实际情况,介绍某电厂1000MW机组锅炉常见规格的小径管对接接头采用椭圆成像时,平行移动法透照工艺参数的确定。
According to JB / T4730-2005 “non-destructive testing of pressure equipment”, the requirements of elliptical imaging of small-diameter pipe-to-pipe butt joint are analyzed. According to the actual situation in the field, the small diameter pipe butt joint of common specifications of 1000 MW boiler in a power plant France transparent process parameters to determine.