隧道窑的预热升温带应有良好的均化通风设施 近年对多条隧道窑的调查研究,感到窑的预热升温带在竖孔叠码形式和窑车“搓衣板”型衬面情况下,一是通风阻力大,二是中下部坯垛氧化不充分,导致制品出现较多的焙烧缺陷 ...
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