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首页> 外文会议>第七届国际耐火材料学术会议（ISR2016）论文集 >Research and Application on the Erosion of the Ladle Slag Line for Sulfur Steel
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Research and Application on the Erosion of the Ladle Slag Line for Sulfur Steel

机译：硫钢钢包渣线冲蚀的研究与应用

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摘要

MgO-C brick is a type of refractory material with high temperature resistance, strong slag resistance,stable thermal shock resistance, it is mainly used in ladle slag line.During the sulfur steel smelting process, the ladle bricks on the slag line is often damaged seriously by the mixture erode of liquid steel and slag.Research shows that the erosion of ladle bricks on the slag line is related to the position of single argon brick, the angle of double argon brick,the flow of argon gas, molten steel temperature,electrode position, steel grade, slag basicity, and other related factors.And it can improve the servicing life of bricks obviously when the position of single argon brick is within 0.67R, or the double argon brick's angle is between 120° and 150°.The three-phase electrode on the ladle center position, molten steel temperature is controlled below of1685 ℃, and reduce the slag basicity adequately, and the argon flow is controlled with a proper flow that ensure the liquid steel cannot be exposed to the air during refining process.
机译：MgO-C砖是一种耐高温，耐渣性强，抗热震性稳定的耐火材料，主要用于钢包渣线上，在硫钢冶炼过程中，渣线上的钢包经常损坏。研究表明，钢包砖在渣线上的腐蚀与单氩砖的位置，双氩砖的角度，氩气的流量，钢水温度，电极位置，钢种，炉渣碱度等相关因素，当单氩砖位置在0.67R以内或双氩砖角度在120°至150°之间时，可以显着提高砖的使用寿命。三相电极位于钢包中心位置，钢水温度控制在1685℃以下，充分降低了炉渣碱度，并以适当的流量控制氩气流量，确保钢水可以在精炼过程中不要暴露在空气中。

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