目前现有的人工砂生产线，绝大部分采用湿法生产工艺，无论采用何种形式的洗砂机，其突出的缺点是细砂(0.16mm以下的颗粒)流失严重，有的甚至流失20%以上，这不但损失产量，而且还严重影响砂子的级配，造成级配不合理，细度模数偏粗，大大降低了机制砂的产品质量。过多的细砂排放，还会造成环境的污染。

　　为解决上述问题，我公司研制了HS系列细砂回收装置系统，该系统是本公司吸收国内外的*技术，结合我国的实际情况而设计的具有水平的细砂回收装置，广泛应用于水电站砂石骨料加工系统、玻璃原料加工系统、人工制砂生产线、选煤厂煤泥的回收及环保工程(泥浆净化等)等，可有效的解决细砂回收问题。

　　At present, most of the existing artificial sａnd production lines adopt the wet process. No matter what kind of sａnd washing machine is used, the outstanding disadvantage is that the loss of fine sａnd (particles less than 0.16mm) is serious, and some even more than 20%, which not only loses the output, but also seriously affects the grading of sand, resulting in unreasonable grading, coarse fineness modulus, greatly reducing the mechanical sａnd Product quality. Excessive discharge of fine sａnd will also cause environmental pollution.In order to solve the above problems, our company has developed HS series fine sａnd recovery device system, which is a world-class fine sａnd recovery device designed by our company based on the advanced technology at home and abroad and combined with the actual situation of our country. It is widely used in the sａnd aggregate processing system of hydropower station, glass raw material processing system, artificial sａnd production line, coal slime recovery of coal preparation plant and Environmental protection engineering (mud purification, etc.) can effectively solve the problem of fine sａnd recovery.

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