黄白茨矿选煤厂粗煤泥降灰及精煤产品脱水实践  

Practice of renovation of the coarse slime ash reduction and clean dewatering processes at Huangbaici Mine Coal Preparation Plant

作　　者：刘毅 于艳臣 米超 LIU Yi;YU Yanchen;MI Chao(Huangbaici Coal Mine of Wuhai Energy Co.Ltd.,Wuhai 016040,China;Shanxi Huiyong Qingfeng Coal Preparation Engineering&Technology Co.Ltd.,Huairen 038300,China)

机构地区：[1]乌海能源有限责任公司黄白茨煤矿,内蒙古乌海016040 [2]山西汇永青峰选煤工程技术有限公司,山西怀仁038300

出　　处：《选煤技术》2021年第6期61-66,共6页Coal Preparation Technology

摘　　要：为了解决粗精煤泥灰分高和精煤产晶水分高的问题,黄白茨矿选煤厂对设备性能和工艺环节进行了分析,从提高分级和脱泥效果,优化精煤脱水工艺和加压过滤机工况,加强管理三个方面提出了解决方案。方案实施后,分级效果明显改善,煤泥产率大幅下降,产晶水分达到了生产要求,解决了粗煤泥灰分高和精煤产晶水分高的问题,达到了提质增效的目的。The problem facing Huangbaici Plant is that the cleaned coarse slime product is high in ash and the clean coal product is high in moisture.To tackle this problem,a renovation scheme is worked out based on analysis of the performance of the equipment and the coal cleaning processes applied.The renovation scheme covers three aspects:improvement of efficiencies of sizing and desliming processes,optimization of clean coal dewatering process and improvement of working conditions of pressure filter system.Through the renovation work,there have been seen a noticeable improvement of efficiency of the sizing process and drastic drop of yield of coal slime,and the moisture of clean product is up to the requirement,making it possible to overcome the problem of producing high-ash coarse slime and high-moisture clean coal product,and achieve the goal of improving coal cleaning efficiency and upgrading of coal products.

关 键 词：粗煤泥回收 粗煤泥降灰 精煤产品脱水 三产品水力旋流器 新型离心机 精煤灰分 精煤水分 

分 类 号：TD94[矿业工程—选矿]