自从在第一次全国翻砂会议中对改进冲天炉的问题作了研究,并由苏联专家斜拉库诺夫作过专题报告后,使我们明确地认识到使用三排风口的冲天炉有很多好处,如能够节省焦炭、提高熔化率以降低成本,提高铁水温度以提高铸件质量降低废品率。因此我厂决定将一排风口等风式1号冲天炉改装三排风口(我厂2号炉结构与1 Since the study of the improvement of the cupola at the first national turning-over conference and a special report by the Soviet expert Lakunov made us clearly aware that there are many cupola furnaces with three vents, Benefits such as saving coke, increasing the melting rate to reduce costs, raising the hot metal temperature to increase the quality of the castings and reducing rejects. Therefore, I decided to plant a row of vents and other wind-style cupola converted three vents (I plant No. 2 furnace structure and 1