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內热式鹽浴爐在热处理中是一种用得很普遍的加热設备。它的优点是加热效率高,加热均勻;缺点是开爐麻煩,开爐时間長(要2~3小时),而且所用的低碳鋼电阻和碳精棒等材料消耗量很大,不經济。从去年年底起,我們用焦炭代替低碳鋼电阻或碳精棒,进行开爐試驗,效果相当好。这不但可以节約鋼材或碳精棒,而且縮短了开爐时間。
Internal thermal salt bath furnace heat treatment is a commonly used heating equipment. Its advantages are high heating efficiency and uniform heating. The disadvantage is that it takes a lot of time to open the furnace and requires a long time to open the furnace (about 2 to 3 hours), and the materials used for the low carbon steel resistance and carbon rod are very expensive and uneconomical. . From the end of last year, we use coke instead of low-carbon steel or carbon rod resistance, the furnace test, the effect is quite good. This not only saves steel or carbon rods, but also shortens the opening time.