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我們厂自3月19日开始以石灰代替石灰石作熔剂炼铁試驗,24日起在全厂进行全面推广,时間不及一周,而成效十分显著:13m~3小高爐日产量由原来12T水平猛升到20T左右(有的爐已达到24.496吨),上升幅度达到67％左右,高爐利用系数由原来的来到1.0上升到1.5/左右。焦炭消耗急剧下降,焦比由原来的1.9左右,降低到1.2左右(有的爐已达到1.094),下降幅度在37％左右。生铁成本显著降低,每吨生铁由原来的360元左右降低到280元左右,降低幅度22％,如果今后改由工厂自己焙烧石灰石,則成本可
Since March 19, our factory started to use lime instead of limestone for flux ironmaking test. The plant was fully promoted on the 24th in less than a week and the effect was remarkable. The daily output of 13m ~ 3 small blast furnaces was reduced from the original level of 12T Rose to about 20T (some furnaces have reached 24.496 tons), an increase of 67%, blast furnace utilization factor from the original 1.0 to 1.5 / or so. Coke consumption dropped sharply, the coke ratio from the original 1.9 or so, down to about 1.2 (some furnaces have reached 1.094), a decline of about 37%. Pig iron costs significantly lower per ton of pig iron from the original 360 yuan to about 280 yuan, a decrease of 22%, if the factory itself to change the limestone calcination, the cost can be