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振動篩篩網堵孔的原因是什麽

發布者：隆中重工發布日期：2015-03-09

在振動篩設備的使用中，會出現一些問題，例如篩網堵孔。在篩分物料時，根據物料的性質，會産生各種形態的篩孔堵塞。篩孔堵塞的主要原因是：1、含有大量接近分離點的粒子

在振动筛设备的使用中，会出现一些问题，例如筛网堵孔。在筛分物料时，根据物料的性质，会产生各种形态的筛孔堵塞。筛孔堵塞的主要原因是：

振动筛.jpg

1、含有大量接近分離點的粒子；

2、物料的含水量比較G;3球形粒子；

4、對篩孔具有多接觸點物料；

5、會發生靜電；

6、片狀顆粒較多；

7、物料具有纖維制的物料；

8、編織篩網的網絲過粗；

9、橡膠篩網等較厚的篩網，孔形設計不合理，沒有達到上小下大，而使顆粒卡住。

因为需要筛分的物料颗粒大部分是不规则的，所以堵塞原因也是多种多样的。为了防止筛网堵塞，应针对上述筛孔堵塞原因采取措施。当物料粒度较细、泥质含量较多、且筛分粒度较小时，水分对筛网的堵塞就起决定性的作用。当物料中水分大于5%时，如果无条件对物料进行干燥，应对筛面、筛孔作针对性选择。当水分大于8%时，应采用湿式筛分。对片状颗粒较多的物料，则需要改变物料破碎方式及不同破碎方式流程的粒度搭配。合理调节筛网张紧力是减少筛网堵孔的一种有效方法，合理的张紧力使筛网同支撑樑产生轻微的二次振动，从而有效降低堵孔现象的发生，具体做法是，把张紧钩做成恒力张紧机构，即在张紧螺栓上加装弹簧。

希望此解答能够帮到广大顾客朋友，如果想了解振动筛的价格、质量等其他方面，请拨打400-658-0379

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