Aiming at low heat efficiency and great deal of squander of energy source,the innovation test of a new type resistance furnace which is with low consumption and high efficiency features is introduced.

• 针对现有电阻炉热效率很低、浪费大量能源的问题,介绍了将热效率低的旧式电阻炉改造为耗电少,热效率高的新型电阻炉的试验。