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针对中频感应炉酸性炉衬寿命只有２０炉次左右的问题，决定采用高铝矾土打结炉衬，并进行了试验。通过３年来的生产实践证明，其寿命可达４０～６０炉次，且设备维修率低，经济效益明显提高。１炉衬材料的选择１．１高铝矾土化学成分的确定 要获得高性能的烧结坩埚，其液相一般
For the intermediate frequency induction furnace acid lining life of only about 20 times the furnace, decided to use high bauxite knot lining, and conducted a test. Through 3 years of production practice has proved that its life expectancy up to 40 to 60 times, and equipment maintenance rate is low, the economic benefits improved significantly. 1 choice of lining material 1.1 Determination of high alumina bauxite chemical composition To obtain high-performance sintered crucible, the liquid phase of the general