The article describes several methods of measuring on line temperature on the furnace and steel stock by means of data recorder with heatresistant, and discusses the methods applied widely.
Furnace steel and steel plates were welded body constituted by the shell, and its both ends with heat-resistant material made of stainless steel pneumatic door.
加热炉体由型钢和钢板焊接构成外壳，它的两端部装有耐热不锈钢材制成的气动炉门。
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The liningless cupola is featured by that the furnace shaft, except the hearth section, is not lined but substituted by a heat-exchanging jacket (HEJ)which is made of heat-resistant metal.