中国特种设备安全
中國特種設備安全
중국특충설비안전
CHINA SPECIAL EQUIPMENT SAFETY
2015年
1期
28-33
,共6页
锅炉%受热面管%内壁氧化膜%寿命预测
鍋爐%受熱麵管%內壁氧化膜%壽命預測
과로%수열면관%내벽양화막%수명예측
Boiler%Heating surface tube%Inner wall oxide layer%Life prediction
介绍了受热面管内壁氧化膜超声波检测技术的基本原理和仪器设备,该技术可对受热面管内壁氧化膜厚度进行快速、准确测量,适用于批量检测。在此基础上,进一步对该项技术在管壁金属层厚度测量、内壁氧化膜动态监测、当量温度计算以及炉管寿命预测方面的具体应用进行了较为详细地阐述和分析。通过检测内壁氧化膜厚度,对高温受热面管的安全状况进行评价、预测其剩余寿命,对于电站锅炉的安全经济运行、指导检验检修方面具有重要作用,在火力发电行业具有良好的应用前景。
介紹瞭受熱麵管內壁氧化膜超聲波檢測技術的基本原理和儀器設備,該技術可對受熱麵管內壁氧化膜厚度進行快速、準確測量,適用于批量檢測。在此基礎上,進一步對該項技術在管壁金屬層厚度測量、內壁氧化膜動態鑑測、噹量溫度計算以及爐管壽命預測方麵的具體應用進行瞭較為詳細地闡述和分析。通過檢測內壁氧化膜厚度,對高溫受熱麵管的安全狀況進行評價、預測其剩餘壽命,對于電站鍋爐的安全經濟運行、指導檢驗檢脩方麵具有重要作用,在火力髮電行業具有良好的應用前景。
개소료수열면관내벽양화막초성파검측기술적기본원리화의기설비,해기술가대수열면관내벽양화막후도진행쾌속、준학측량,괄용우비량검측。재차기출상,진일보대해항기술재관벽금속층후도측량、내벽양화막동태감측、당량온도계산이급로관수명예측방면적구체응용진행료교위상세지천술화분석。통과검측내벽양화막후도,대고온수열면관적안전상황진행평개、예측기잉여수명,대우전참과로적안전경제운행、지도검험검수방면구유중요작용,재화력발전행업구유량호적응용전경。
The basic principle and equipment performance of heating surface tube inner wall oxide layer ultrasonic detection technology is introduced. This technique can be used as a rapid and accurate measurement of inner wall oxide layer thickness, which is suitable for batch testing. In addition, the speciifc application of this technology in furnace tube metal layer thickness measurement, the inner wall oxide layer dynamic monitoring, equivalent temperature calculation and furnace tube life prediction is discussed and analyzed in detail. This technology can provide support for furnace tube security assessment and life prediction that could play an important role in guaranteeing the safe and economical operation of power plant boiler and inspection guidance, and has good application prospect in thermal power industry.