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耐火纤维是一种新型耐火材料,它具有重量轻、耐高温、热稳定性好、导热系数低、比热小等特点,用它砌筑电阻炉的炉体,可以使炉子具有热耗低、升温快、节约用电、提高效率等优点。一九七八年十二月,我们在有关单位的协助下,完成了把耐火纤维应用于45千瓦标准箱式电阻炉的改装工作。经过四个多月的实际运行证明,改装后的炉子性能良好,稳定可靠,节省电能。采用耐火纤维是热处理炉技术改造的一条重要途径。
Refractory fiber is a new type of refractory material. It has the characteristics of light weight, high temperature resistance, good thermal stability, low thermal conductivity and small specific heat. It can be used to masonry the furnace of resistance furnace, Warming up, saving electricity, improve efficiency and so on. In December 1978, with the assistance of the relevant units, we completed the retrofitting of refractory fibers to a 45kW standard box-type resistance furnace. After more than four months of actual operation proved that the modified furnace performance is good, stable and reliable, saving energy. The use of refractory fiber is an important way of technological transformation of heat treatment furnace.