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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 >Comparative Analysis on New Type Carbon Free Lining and Traditional Carbon Containing Lining Applied on 120-ton LF-RH Refining Ladle
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Comparative Analysis on New Type Carbon Free Lining and Traditional Carbon Containing Lining Applied on 120-ton LF-RH Refining Ladle

机译：新型无碳衬里与传统含碳衬里在120吨LF-RH精炼钢包中的应用对比分析

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摘要

In some steel making workshop, the existed inherent weaknesses of traditional carbon containing brick work lining, such as smelting holes, erect gaps of lining, excessive erosion of brick edge, etc., made it hardly satisfied the demands of advanced steel production.A new-type carbon-free corundum spinel brick and castable were developed, which based on the matrix optimized theory, successfully applied for ultra-low carbon steel production.The advantages of newly developed carbon free work lining are mainly as follows: 1) the inherent weaknesses of smelting holes,erect gaps of lining, excessive erosion of brick edge,etc., are surmounted successfully, which improved the operational safety features of ladle.2) The outer temperature of ladle shell decreased by 45-50 ℃ compared with the traditional carbon-containing brick lining.3) The service life of new-type work lining is 150-170 heats, nearly double of traditional carbon containing brick lining, the specific consumption of refractory per ton of steel decreased by 25-30％.4)The carbon pickup of molten steel is not obvious and the value is merely 5-10ppm, which satisfied the demands of low & ultra low carbon steel production.
机译：在一些炼钢车间中，传统的含碳砖工作衬砌存在固有的弱点，例如熔炼孔，衬砌的竖立缝隙，砖边缘过度腐蚀等，使得它几乎无法满足先进钢铁生产的需求。在基体优化理论的基础上，研制出了无碳刚玉尖晶石砖和浇注料，成功地应用于超低碳钢的生产。新开发的无碳工作衬的优点主要有：1）固有的弱点成功克服了熔化孔，衬里间隙，砖边缘过度腐蚀等现象，提高了钢包的运行安全性。2）钢包外壳的外部温度比传统碳钢降低了45-50℃ 3）新型工作衬的使用寿命为150-170炉次，几乎是传统含碳衬的两倍，耐火材料的单位消耗量吨钢下降25-30％。4）钢水的碳吸收率不明显，仅为5-10ppm，满足了低碳和超低碳钢生产的要求。

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