末精煤脱水系统在龙山选煤厂的应用  

Application of fine clean coal dehydration system in Longshan coal preparation plant

作　　者：陈贵山[1] 

机构地区：[1]安阳鑫龙煤业(集团)有限责任公司安阳龙山煤业有限责任公司,河南安阳455000

出　　处：《洁净煤技术》2011年第5期7-9,共3页Clean Coal Technology

摘　　要：针对龙山选煤厂末精煤脱水系统存在的问题,对选煤厂工艺流程进行了改进。采用将变频器和离心机联合使用,更换离心机筛篮等方法,实现了对末精煤水分的灵活控制,解决了末精煤产品水分质量过剩、离心机跑粗、精煤损失等问题。最后对选煤厂经济效益进行了分析,选煤厂新增经济效益572.8万元。Improve the technical process of coal flotation after analyzing the fine clean coal dehydration system in Longshan coal preparation plant.Taking these methods such as combining transducer and centrifugal machine,replacing screening basket which could flexibly control the moisture existed in slack clean coal.Products with coarse size and fine cleaned coal losing problems are also resolved.Propose several suggestions on how to improve the plant＇s economic benefits,the plant＇s annual income is up 5.728 million yuan.

关 键 词：末精煤 水分 筛篮 变频器 离心机 

分 类 号：TD946.22[矿业工程—选矿]