铝电解槽中熔体高度测量系统

Measurement System of Melt Height in Aluminum Production Cells

铝电解槽中熔体高度(铝液高度和电解质高度)是电解铝生产中非常重要的技术指标,传统的测量方法不能满足生产的需要。介绍了一种新方法测量铝液高度和电解质高度。这种方法是基于在铝液中和电解质中导热环境不同,热电偶感温节点处于不同的介质中有不同的升温速率,根据升温速率确定结点位置,计算出高度。设计了以多点热电偶为基础的测高传感器,以ADμC812单片机为核心的测量仪表。还介绍了测量仪表的工作程序和上位机的数据接收程序。

The height measurement of both metal and cryolite bath is very important for the aluminum production,but the traditional method does not meet the requirement in the aluminum production.Developed a new method for this measurement,which is based on the difference of the heat circumstance between metal and cryolite baths,and the position of the joints can be judged by temperature rising rate.The sensor for detecting the height was designed and the measurement meter was made in the core of the highly integrated single chip ADμC812.Also introduced the program worked in the meter and in the high level computer.