动力煤分选设备特点及选择  

Characteristics and selection of power coal washing equipment

作　　者：张振 谢广元[2] 周光华 夏文成[2] ZHANG Zhen;XIE Guangyuan;ZHOU Guanghua;XIA Wencheng(National Energy Group Ningxia Coal Industry Co.Ltd.,Yinchuan 750011,China;School of Chemical Engineering,China University of Mining and Technology,Xuzhou 221116,China)

机构地区：[1]国家能源集团宁夏煤业有限公司,宁夏银川750011 [2]中国矿业大学化工学院,江苏徐州221116

出　　处：《选煤技术》2022年第3期1-6,共6页Coal Preparation Technology

摘　　要：为了给动力煤选煤厂分选设备的选择提供有益参考,进而提升动力煤分选的经济效益,重点对动筛跳汰机、斜(立)轮重介质分选机、浅槽重介分选机、复合式干选机、智能干选机五种当前动力煤选煤厂常用分选设备进行了介绍,并对各分选设备的技术特点和适应性进行了详细分析,指出动力煤分选设备需要综合考虑原煤可选性、矸石泥化特性、入选上(下)限、产品指标等因素进行合理选择,以实现动力煤选煤厂经济效益最大化。The study made in the paper is intended to provide a valuable reference for power coal cleaning plants for improving their economic performance.Following an introduction particularly to the technological processes employing movable-sieve jig,vertical/inclined lifting wheel separator,heavy medium vessel,compound dry separator and intelligent dry separator—five kinds of equipment commonly used in power coal plants nowadays,the paper makes a detailed analysis of the technical features and applicability of each washing process.It is pointed out that the selection of appropriate processes needs to be made based on overall consideration of raw coal washability,proneness of gangue to undergo degradation in water,upper/lower limit of size of separation and required indices of products,so as to allow the power coal plant to obtain maximized economic benefits.

关 键 词：动力煤分选 动力煤分选设备 动筛跳汰机 斜(立)轮重介质分选机 浅槽重介分选机 复合式干选机 智能干选机 

分 类 号：TD94[矿业工程—选矿]