本文介绍了对5吨/小时的焦炭冲天炉进行技术改造的情况,经改进后的冲天炉,其熔炼温度得以提高,燃料和耐火材料的消耗下降。焦炭冲天炉的改造要点是:淋水冷却的外壳改为水套冷却、直线形炉膛改为锥形炉膛,同时适当减小炉缸容积。原直线炉膛的冲天炉具有单排小风口(6个),每隔30—60分钟排渣一次,外壳淋水冷却。熔炼时由于熔炼区温度较高,金属构架常常产生较大变形,炉缸也经常烧坏,风口常被铁液和炉渣堵塞。又由于炉缸较大,金属的熔炼温度又往往偏低,特别是在熔炼初期和出渣时更是如此。用这种炉子熔炼可锻铸铁则 This article describes the technological transformation of a 5 t / h coke cupola. After the improved cupola, the melting temperature is increased and the consumption of fuel and refractory materials is reduced. Coke cupola renovation points are: water cooled shell instead of water jacket cooling, linear furnace to cone hearth, while reducing the appropriate hearth volume. The original straight hearth furnace with a single row of small tuyere (6), every 30-60 minutes slag discharge time, the case water cooling. Melting zone due to the melting zone temperature is high, the metal frame often have a greater deformation, the hearth is often burned, the outlet is often blocked by molten iron and slag. And because of the larger hearth, metal melting temperatures tend to be low, especially in the early melting and slag is even more so. Smelting malleable iron with this stove