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文章针对目前国内广泛使用的箱式 (台车式 )电阻炉存在的热效率低、加热时间长、能耗大等问题 ,提出用容重轻、蓄热少的耐火纤维取代传统的耐火砖为炉体结构 ,并对靖江东达铝业有限公司的 7m3的电阻炉进行改造 ,取得显著的节能效果 ,经测试 ,热效率高达87%。
In this paper, aiming at the problems of low thermal efficiency, long heating time and high energy consumption, the box type (trolley) resistance furnace which is widely used in our country is proposed to replace the traditional refractory brick with the lighter weight and less heat storage Structure, and Jingjiang Dongda Aluminum Co., Ltd. 7m3 resistance furnace transformation, and achieved significant energy-saving effect, the test, the thermal efficiency as high as 87%.