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由于冶金过程的多样性和复杂性,温度的检测尚存在许多一时还不易解决的问题。如高温熔体温度的连续检测;腐蚀性介质的温度检测;运动物体温度检测;温场的检测;以及在恶劣的工作环境(粉尘,振动,冷热变化大等)下的温度检测等。采用常用的检测手段或者是不能测到真实的温度,或者是测温元件过早地损坏而使测温中断,这些都是冶金过程温度检测的特殊问题.这些问题促使
Due to the diversity and complexity of the metallurgical process, there are still many problems that are not yet solved easily for temperature detection. Such as continuous testing of high temperature melt temperature; temperature detection of corrosive media; temperature detection of moving objects; detection of temperature field; and temperature detection in harsh working environment (dust, vibration, large changes in heat and cold). The use of commonly used testing methods or the inability to measure the true temperature or the premature failure of the temperature sensing element to interrupt the temperature measurement are all special problems in the temperature measurement of metallurgical processes which have prompted