Abstract
An on-line temperature monitoring system is established for aluminum tank shell, and a novel high FBG temperature sensor is designed. There are many shortcomings can not be avoided of traditional detection methods under high magnetic environment. Fiber Bragg grating has advantages of anti-electromagnetic interference and corrosion resistance. It is suitable be used in aluminum tank shell temperature monitoring. Combining with optical time division multiplexing (TDM) and wavelength division multiplexing (WDM) technology, a complete system consists of 104 FBG sensors is designed. FBG sensor temperature range is −20~400 °C, with temperature accuracy +2 °C. Measured data of the system provide reliable real-time basis for the process control and condition diagnosis. KeywordsFiber Bragg GratingFiber Bragg Grating SensorAluminum SmelterAnode EffectAluminum Reduction CellThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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