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我国目前普遍使用的箱式热处理电阻炉绝大部份炉体是用砖体砌筑的。这些炉子,热情性大,热效率低,耗电量大,生产率低。近年来硅酸铝纤维得到广泛的应用和发展。它用作工业炉内衬材料,具有耐高温、容重轻、热情性小、导热系数低、良好的电绝缘性等优点,
At present, the most commonly used furnace heat treatment furnace in our country is brick masonry. These stoves, enthusiastic, low thermal efficiency, high power consumption, low productivity. In recent years, aluminum silicate fibers have been widely used and developed. It is used as industrial furnace lining material, with high temperature, light weight, small enthusiasm, low thermal conductivity, good electrical insulation, etc.,