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1前言转炉炼钢过程中,产生的污泥(烟尘)量很大,大约是钢产量的1.5～1.7%,作为钢产量200万 t 的本钢来说,其年产污泥量可达3～3.4万 t。这些污泥含铁量很高,可达到55%以上,是极好的富铁资源。将这些污泥回收制成复合球团,并用于转炉炼钢是极好的资源回收和再利用,能创造很高的经济效益,同时能减少环境污染,创造良好的工作环境。复合球团是以转炉污泥为主要原料,配加一定量的石灰、萤石、卤水等材料制成
1 Introduction During the converter steelmaking process, the amount of sludge (soot) produced is very large, which is about 1.5-1.7% of the steel output. As for the steel with a production capacity of 2 million tons, the annual output of sludge can reach 3 ~ 34,000 t These sludge high iron content, up to 55%, is an excellent iron-rich resources. Recycling these sludges into composite pellets for converter steelmaking is an excellent resource for recycling and reuse, creating high economic benefits while reducing environmental pollution and creating a good working environment. Composite pellet converter sludge is the main raw material, with a certain amount of lime, fluorite, brine and other materials