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常見問題
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  白剛玉微粉的篩分對粒度和顆粒組成要求很嚴格,大于篩孔尺寸而留在篩上的物料成為篩上料,通過篩孔的物料成為篩下料。

  1、篩網的參數。

 ?。?)篩網不能過長,這是篩分機制造所不允許的,也不經濟。

 ?。?)在適當的范圍內,篩網的寬度與生產效率成正比,篩長與篩分效率成正比,并決定篩分時間;

  2、篩網質量。

 ?。?)金屬絲的強度要高,沒有編織缺陷,這樣篩網有較長的使用壽命。

 ?。?)篩網質量好壞直接影響篩分的效果和白剛玉微粉的質量;

 ?。?)要求篩孔及篩絲均勻,其尺寸應符合篩網標準的規定,有效面積盡可能大;

  3、物料的濕度。在生產中,由于白剛玉微粉熔塊澆水冷卻,因此有時使磨粉結團,難以篩分。在篩分前必須對物料進行干燥處理;

  白剛玉微粉每個級別的產品,不論其粒度范圍如何窄,也總有顆粒大小之分,每一級別中最大顆粒與最小顆粒之比,成為分級比。 


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