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我厂铸工车间广大革命职工,遵循毛主席关于“备战、备荒、为人民”和“打破洋框框,走自己工业发展道路”的伟大教导,学习兄弟单位的经验,全车间奋战两个月改造冲天炉,采用煤粉化铁新技术,取得了成功。自煤粉化铁炉建成投产至今,已有五年多时间,共熔炼合格铁水5773吨。铁水温度一般在1350～1400℃左右,煤铁比达1∶7,节省50％的废钢用量,铸铁机械性能达到质量要求。
The vast revolutionary workers in our foundry’s workshop follow the great teachings of Chairman Mao on “preparing for war, preparing for famine, for the people” and “breaking the framework of the world and taking the path of our own industrial development” and learn from the experience of our fraternal units. Furnace, using new technology of coal dust iron, and achieved success. Since the coal-fired iron furnace was completed and put into production so far, it has been more than five years, a total of 5773 tons of qualified molten iron. The temperature of molten iron is generally about 1350 ~ 1400 ℃, the ratio of coal to iron is up to 1: 7, the amount of scrap saved by 50% and the mechanical properties of cast iron meet the quality requirements.