大跃进以来,开展了全民办工业的群众运动,在冲天炉熔化方面,也因为原料来源的改变,势必改变以前的熔化工艺及熔化设备。为解决生产中出现的新问题,保证机械工业翻番,哈尔滨工业大学铸工专业的师生在市委的领导下,收集了哈尔滨市各厂利用土铁土焦中出现的问题和改进方法,加以分析和整理,以便推广。 Since the Great Leap Forward, a mass movement carried out by the private industry has been carried out. In the melting of the cupola and because of changes in the sources of raw materials, it is bound to change the previous melting process and melting equipment. In order to solve the new problems appearing in the production and to ensure that the machinery industry doubled, under the leadership of the municipal Party committee, under the leadership of the municipal party committee, the teachers and students of Harbin Institute of Technology who collected the problems and improvement methods that the factories in Harbin use the iron soil coke and analyzed them. Finishing, in order to promote.