我厂发动全体职工大搞发明创造,大抓技术革新,使吨铁成本逐月下降,获得了石家庄市冶炼企业财务系统的首次红旗。截至四月上旬,吨铁成本为208.65元,此1958年降低34.52%,比第一季度平均降低5.31%。我们是怎样降低成本的昵?一、太搞煤气综合利用。今年2月试验成功综合利用煤气以后,当前已用于烧石灰、矿粉烧结、 I launched the plant all the workers to engage in inventions, pay close attention to technological innovation, so that the cost per ton of iron declined, won the smelting company in Shijiazhuang, the first financial system red flag. As of early April, the cost per ton of iron was 208.65 yuan, a decrease of 34.52% in 1958, an average decrease of 5.31% over the first quarter. How can we reduce the cost? First, too comprehensive utilization of gas. After the successful trial and comprehensive utilization of gas in February this year, it has been used for burning lime, ore powder sintering,