论文部分内容阅读
湖北襄阳地区拖拉机厂铸造车间的3吨/时冲天炉,经常使用武钢的小块焦炭熔化铸铁,块度为40～60毫米,主要组成是40毫米,致使焦铁比低(总焦铁比1:8)、熔化率低(2.5吨/时)、铸件气孔较多,更重要的是因铁水温度太低(1360～1365℃),无法生产球铁,影响完成计划。一九七六年九月,在厂党委领导下,成立三结合攻关小组,决心扭转这一被动局面,经
Hubei Xiangyang Tractor Factory Casting workshop 3 tons / hour cupola, often using small pieces of Wuhan Iron and Steel coke melting cast iron, block size of 40 to 60 mm, the main component is 40 mm, resulting in low iron-iron ratio (total iron ratio of 1 : 8), low melting rate (2.5t / h), more pores in castings, and more importantly, the hot metal temperature is too low (1360 ~ 1365 ℃) to produce ductile iron and affect the completion of the plan. In September 1976, under the leadership of the Factory Party Committee, a three-pronged research team was set up and determined to reverse this passive situation.