This paper introduces that the diffuse heat heating furnace is reduced the consumption of fuel is debased and the preferable effect is got, using the multicrystal mullite fibrous stickup lump to heat preservation in heating furnace wall.

• 摘要采用多晶莫来石纤维贴面块对加热炉炉内壁保温，减少了炉体的散热损失，降低了炉子燃耗，取得了较好的效果。