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连续运动的带材在横向磁通感应加热装置下通过交变磁场感应出涡流,产生焦耳损耗从而对运动带材进行加热。横向磁通感应加热具有加热速度快,加热频率低等一系列优点,但是在加热过程中会出现带材出口处温度分布不均匀的现象,这严重制约横向磁通感应加热在实际工业生产中的应用。本文以六边形线圈为例,通过设计单一变量试验进行对比,分析线圈所加激励电流以及线圈相对位置对运动带材表面温度分布所产生的影响,从而确定合理的加热条件,为扩大横向磁通感应加热在实际生产中的应用提供理论支持。
The continuously moving strip induces eddy currents through the alternating magnetic field under a transverse flux induction heating device, producing Joule losses which heat the moving strip. Transverse Flux Induction Heating has a series of advantages such as high heating speed and low heating frequency, but the phenomenon of uneven temperature distribution at the exit of the strip occurs in the heating process, which seriously restricts the transverse flux induced heating in the actual industrial production application. In this paper, the hexagonal coil is taken as an example, the single variable test is designed to compare and analyze the influence of the exciting current applied by the coil and the relative position of the coil on the temperature distribution of the moving strip surface, so as to determine the reasonable heating conditions, Induction heating in the actual production of the application of theoretical support.