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1. 发明公开

EP1811282A1 Monitoring a degradation of steam generator boiler tubes 审中-公开
标题翻译：监测蒸汽发生器锅炉管的退化
公开(公告)号：EP1811282A1
公开(公告)日：2007-07-25
申请号：EP06405019.8
申请日：2006-01-20
申请人： ABB Technology AG
发明人： Weisenstein, Wolfgang , Milanovic, Raiko
IPC分类号： G01N17/00 , F22B35/00 , F23G5/50
CPC分类号： F23G5/50 , F22B35/007 , G01N29/07 , G01N29/223 , G01N2291/0258 , G01N2291/044 , G01N2291/048 , G01N2291/2634 , G01N2291/2636
摘要： The present invention is concerned with an on-line degradation monitoring for boiler tubes (15a,15b) in large combustion facilities, in particular waste incineration plants. The degradation of the tubes, in particular corrosion or caking, is determined in a more or less continuous manner while the combustion facility is operating, and thus not restricted to optical inspection during downtimes. A rate or accumulated degradation can be related to an operation mode of the facility. Appropriate degradation sensors (4) are arranged outside of a flue gas tract (14) where the boiler tubes are exposed to noxious flue gases from the combustion process, and receive ultrasonic signals from a space or volume within the flue gas tract (14). A test tube (40) is provided exclusively for the monitoring of the degradation progress and introduced into the flue gas tract (14) at a particularly corrosion exposed location.
摘要翻译：本发明涉及大型燃烧设施中的锅炉管（15a，15b）的在线劣化监测，特别是垃圾焚烧设备。在燃烧设备运行时，管道的退化，特别是腐蚀或结块，或多或少地以连续的方式确定，因此不限于停机期间的光学检查。速率或累积的退化可能与设施的运行模式有关。合适的降解传感器（4）布置在烟道气（14）的外部，其中锅炉管暴露于来自燃烧过程的有害烟道气，并从烟道气道（14）内的空间或体积接收超声信号。试管（40）专门用于监测降解过程并在特别腐蚀暴露的位置处引入烟气通道（14）。

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