一、概述传统的金属热处理电阻炉在工业中的应用,已有相当长的历史,而且至今仍被广泛采用。它的根本的弱点是,功耗大、热效率低。为了改变其热效率低的状况,人们作过各种尝试。从当前采用的具体措施看,绝大部分都是属于改变炉体材质的办法一即采用保温性能好、自身蓄热低的绝热材料,如轻质或超轻质耐火砖等。无可否认,加强炉体保温、 First, an overview of the traditional metal heat treatment resistance furnace in industrial applications, has a long history, and is still widely used. Its fundamental weakness is its high power consumption and low thermal efficiency. In order to change the situation of its low thermal efficiency, people have made various attempts. From the current concrete measures used, the vast majority are part of the way to change the furnace material that is, using a good insulation properties, low thermal insulation materials, such as lightweight or ultra-light refractory bricks. Admittedly, to strengthen the furnace insulation,