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Three-product media cyclone

三产品重介质旋流器是一种高效矿物分选设备,通过离心力与重介质悬浮液的协同作用,实现原煤或矿石的精确分级与提纯。其核心特点在于单台设备内可一次性完成三种产品的分离(精煤、中煤、矸石),大幅简化工艺流程并降低能耗。以下从结构原理、技术优势及应用场景展开说明: 一、结构原理设备采用圆筒-圆锥组合式结构,内部无运动部件,由一段主选旋流器和二段再选旋流器串联构成。工作时,物料与重介质悬浮液(通常为磁铁矿粉与水配比)在高压泵驱动下沿切线方向进入一段旋流器。在离心加速度作用下(可达重力的20-200倍),高密度矸石颗粒被甩向器壁经底流口排出;轻密度精煤向中心轴聚集,通过溢流管进入二段旋流器进行二次分选,最终产出中煤和精煤两种产品。介质密度可通过调节悬浮液浓度实现动态控制。 二、技术优势1. 分选精度高:Ep值可达0.02-0.04,尤其适用于<6mm细粒煤分选,有效解决传统跳汰机对细粒煤分选效率低的问题;2. 处理能力强:单台处理量可达200-350t/h,且分选下限可至0.25mm;3. 自动化程度高:采用在线密度计与PLC控制系统,实现介质密度实时调节,稳定性优于传统分选设备;4. 节能环保:闭路循环的介质回收系统使磁铁矿粉损耗<1kg/t原煤,水资源消耗降低40%以上。 三、应用场景该设备特别适用于难选煤、高硫煤或氧化煤的分选,在炼焦煤制备、动力煤提质及金属矿预选领域表现突出。实际案例显示,某矿区应用后精煤灰分降低至8.5%,硫分脱除率达75%,同时中煤热值提升至18MJ/kg以上,实现资源梯级利用。维护时需重点关注耐磨内衬(如碳化硅陶瓷)的磨损情况,定期检查旋流器压力表及介质管道通畅性。未来发展方向将聚焦于智能算法优化介质密度控制、新型耐磨材料研发以延长使用寿命,以及模块化设计适应小型矿山需求。该技术对推动煤炭清洁利用和矿产资源高效开发具有重要意义。

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  • 3NZX Series Pressure-fed 3-product H.M.Cyclone

    3NZX Series Pressure-fed 3-product H.M.Cyclone

    Category: Mainly recommended equipment
    Browse number: 93
    Number:
    Release time: 2025-08-25 11:39:16
    The 3NZX series pressure-feed three-product heavy-medium cyclone is a core separation equipment with mature technology and reliable performance in the field of coal washing. With its powerful processing capacity and efficient separation effect, it has been widely used in many coal preparation plants. The most significant technical feature of this equipment is the "pressure feeding" mode. In this mode, the premixed raw coal and heavy medium suspension are pumped tangentially and integrally into the first section of the cyclone through a constant pressure feed pump at a higher pressure. The strong inlet pressure is transformed into a high-speed rotating centrifugal force field inside the cyclone, which provides key power for high-precision sorting of fine-grained materials.

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