Three kinds of high temperature resistance furnaces with different heating method are designed, that is, outside-wall heating, inside-wall heating and double heating high temperature furnace.
设计了三种不同加热方式的高温电阻炉，即外壁加热、内芯加热和双重加热高温炉。
Steps and key points of installation and adjustment of double-bell type top charging equipment in middle and small blast furnaces are introduced.
主要叙述双料钟式中小高炉炉顶装料设备安装调试的方法、步骤及要领。
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