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摘要:
螺旋溜槽分选是利用流膜重力和斜面流分选的重选方法，具有处理量大、能耗低、无污染、分选效率高、分选范围广等优点，在矿物加工领域应用广泛。本文深入阐述了螺旋溜槽在其发展历程中所解决的关键技术问题、不同型号螺旋溜槽的特点及其存在的主要问题。同时，还系统梳理了关于螺旋溜槽流膜运动状态、颗粒运动轨迹及槽面优化设计的最新研究动态。最后，对当前螺旋溜槽分选技术的应用状况进行了全面总结，并对该技术的发展趋势进行了展望。本文内容可为螺旋溜槽分选技术的发展提供参考。
Abstract:Spiral concentrator separation is a resorting method using flow membrane gravity and inclined flow sorting, which has the advantages of large processing capacity, low energy consumption, no pollution, high separation efficiency and wide separation range, and is widely used in the field of mineral processing. This paper deeply expounds the key technical problems of the spiral concentrator and the characteristics of different types of spiral concentrator. At the same time, this paper also systematically combs the motion state of the spiral concentrator flow membrane, the particle movement trajectory and the optimal design of the groove surface. Finally, the application of spiral concentrator separation technology is summarized and the development trend of this technology is discussed. The content of this article can provide reference for the development of spiral concentrator separation technology.
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表 1 选厂螺旋溜槽工艺应用
Table 1. Application of spiral concentrator process
种类 主要分选工艺 选厂应用 赤铁矿 磁—螺工艺 鞍钢赤铁矿选厂、司家营铁矿厂 镜铁矿 螺—浮工艺 霍邱镜铁矿选矿厂 钛铁矿磁铁矿 螺—浮、磁—螺—磁工艺 新疆哈密大马庄钛铁矿选厂、攀枝花铁矿密地选矿厂弓长岭选矿厂、
研山选矿厂黑钨矿 螺—磁—浮工艺 西华山钨矿选矿厂、大吉山钨矿选矿厂 磷矿 浮—螺工艺 锦屏磷矿选矿厂、海口磷业浮选厂 煤矿 浮—螺工艺 刘河选煤厂、余吾矿选煤厂 
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