新郑精煤公司煤泥浮选研究与改造实践  

Research and Transformation Practice of Coal Slurry Flotation in Xinzheng Clean Coal Company

作　　者：訾涛 张宏权[1] ZI Tao;ZHANG Hongquan(Zhengzhou Coal Group Xinzheng Clean Coal Co.,Ltd.,Zhengzhou 451100,China;China University of Mining and Technology,Xuzhou 221000,China)

机构地区：[1]郑煤集团新郑精煤有限责任公司,郑州451100 [2]中国矿业大学,江苏徐州221000

出　　处：《煤炭技术》2025年第2期224-227,共4页Coal Technology

基　　金：国家自然科学基金项目(52204296)。

摘　　要：为降低煤泥分选系统内精矿灰分,同时提升浮选系统的回收率,新郑精煤公司选煤厂对影响浮选系统的关键因素进行了系统的分析,设计了一套“分段脱泥,双向脱水”新工艺,有效地解决了新郑精煤公司煤泥分选系统存在的问题,提升了2.97%的浮选精矿回收率,原煤增加利润8.54元/t,提高了企业的经济效益。In order to reduce the ash content of the concentrate in the coal slurry separation system and improve the recovery rate of the flotation system,the coal preparation plant of Xinzheng clean coal company systematically analyzed the key factors affecting the flotation system and designed a new process of"segmented desliming and bidirectional dehydration",effectively solving the problems in the coal slurry separation system of Xinzheng clean coal company,the flotation concentrate recovery rate was increased by 2.97%,an increase of 8.54 yuan in profit per ton of raw coal has improved the economic benefits of the enterprise.

关 键 词：脱泥 分级 煤泥浮选 筛分 

分 类 号：TD94[矿业工程—选矿]