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在电站锅炉受热面改造管排焊口探伤中 ,改进原探伤工艺 ,采用铅箔增感屏补偿法及周向 X射线探伤机 ,对规格相同、透照焦距不等的管排焊口 ,一次透照出多张合格的底片 ,提高工作效率 4倍
Improvement of the original inspection process in the boiler welding surface modification of heating surface of power station boiler, the use of lead foil sensitization screen compensation and circumferential X-ray flaw detection machine, the same specifications, through the tube with different focal lengths of welding mouth, once Through a number of qualified film, improve work efficiency 4 times