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The inspection system for mechanical non-destructive of NPPs type VVER steam generator tube sheet inspection

机译:NPPs型VVER蒸汽发生器管板检查的机械无损检查系统

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For the purpose of in-service inspection of steam generators tube sheets of NPPS type VVER (440 and 1000) the mechanical inspection system was developed. The system is designated to realize ultrasonic and eddy current inspection of base material and weld joints of tube sheets,eddy current inspection of steam generator tubes by bobbin and rotation probes and TV inspection of inner surface of tube sheets. The system is fitted with plugging module for weld plugging of defective steam generator tubes. In this article are describes the main facilities of system and presented some in-service inspection results.
机译:为了对蒸汽发生器NPPS型VVER(440和1000)的管板进行在役检查,开发了机械检查系统。该系统可实现对管板基体材料和焊接接头的超声和涡流检查,通过线轴和旋转探头对蒸汽发生器管的涡流检查,以及管板内表面的TV检查。该系统配有堵塞模块,用于焊接堵塞有缺陷的蒸汽发生器管。本文介绍了系统的主要功能,并提供了一些在役检查结果。

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