【摘要】 以优质无烟煤为原料 ,经选矿提纯 ,提高煤的碳含量 ,再经石墨化处理制得炼钢增碳剂。产品主要技术指标 :w (C)≥ 90 % ,w(灰分 ) <7% ,w(挥发分 ) <3% ,w(S) =0 .43 % ,w(P) =0 .0 6 % ,颗粒电阻 <1 .0Ω/粒 ,抗压强度为 2 1 .0kg/粒更多还原

【Abstract】 A carburizing agent, a kind of semi graphite, for steel making is developed. The agent is from high quality of anthracite which is undertaken floatation, purification and then graphitization under high temperature. The quality index of the agent is as follow: w (carbon) ≥90%, w (ash content) <7%, w (volatile matter) <3%, w (sulfur) =0.43%, w (phosphorus) =0.06%, particle resistance<1.0Ω/particle, compressive strain=21.0 kg/particle.更多还原