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爐料木屑配入量

關鍵詞 木屑|2011-06-23 15:09:36|來源 中國磨料磨具網
摘要 加木屑目的在于增加爐料透氣性,由于木屑減少了爐料單位體積密度,因此在保證爐料透氣性情況下應盡量少加。木屑加量通常以體積百分數表示。常用的加量為15%(體積)以下。一般根據下列情況確...
  加木屑目的在于增加爐料透氣性,由于木屑減少了爐料單位體積密度,因此在保證爐料透氣性情況下應盡量少加。木屑加量通常以體積百分數表示。常用的加量為15%(體積)以下。一般根據下列情況確定具體加量。
  一、采用焙燒料工藝時,原料已焙燒成聚合顆粒,增大了料的氣孔尺寸,透氣性良好,所以配料時不加木屑,簡化工藝過程,并在冶煉時不產生氣味難聞的甲硫醇氣體。
  二、綠爐比黑爐多加,這是因為綠爐加入食鹽,冶煉時堵塞了爐料氣孔,使透氣性降低。
  三、硅砂粒度粗時,應少加木屑。
  四、保溫料比反應料可多加。
  五、爐中氣體流動方向是由下而上,上部氣體較多,所以上部應比下部加入較多的木屑。
  

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