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本文从重新布置处理中温箱式电阻炉的加热元件入手,设计、制作了一种结构全新的炉衬结构。主要特点是采用了碳化硅预制拱顶,并在它的沟槽内安装了原来安装在两侧墙上的电热元件。两侧墙取消电热元件后可适当降低炉膛高度,缩小炉衬体积及积蓄热;可采用容重更小的炉衬材料或全纤维材料;方便于粘贴硅酸铝耐火纤维毡,涂复高温发泡耐火材料,涂复黑体材料增加炉膛黑度;可增加简易隔热屏以及增加空气层绝热结构等。所有这些都可进一步提高中温箱式电阻炉的性能和节电效果。
This article starts from the rearrangement of the heating elements in the oven furnace, designs and manufactures a new furnace lining structure. The main feature is the use of silicon carbide prefabricated dome, and installed in its trench originally installed on both sides of the wall of the heating element. Both sides of the wall to cancel the heating element can be properly reduced furnace height, reduce the lining volume and heat accumulation; can be used for lighter weight of the lining material or all-fiber materials; easy to paste aluminum silicate refractory fiber mat, coated with high temperature foam refractory , Coated with black body material to increase the blackness of the furnace; can increase the simple heat shield and increase the air layer insulation structure. All of this further enhances the performance and energy savings of a mid-temperature box resistance furnace.