影响FBS流化床分选机分选效果的因素分析  

Analysis of factors affecting the separation effect of FBS fluidized bed separator

作　　者：张定智 汪才飞 周建方 韩峰 仲硕硕 ZHANG Ding-zhi;WANG Cai-fei;ZHOU Jian-fang;HAN Feng;ZHONG Shuo-shuo(Chahasu Project Department of Shandong Boxuan mineral resources technology development company,Ordos,Inner Mongolia 017209,China;Xinhe Coal Preparation Plant of Shandong Boxuan Mineral Resources Technology Development Co.,Ltd.,Jining,Shandong 272000,China)

机构地区：[1]山东博选矿物资源技术开发公司察哈素项目部,内蒙古鄂尔多斯017209 [2]山东博选矿物资源技术开发有限公司新河选煤厂,山东济宁272000

出　　处：《煤炭加工与综合利用》2021年第10期26-30,共5页Coal Processing & Comprehensive Utilization

摘　　要：介绍了FBS流化床分选机的结构及工作原理;新河选煤厂通过分析FBS流化床分选机的影响因素,结合对入料、底流、溢流的技术检查,总结出溢流灰分的变化规律,正常生产时可根据变化规律及时调节FBS密度设定值和顶水压力;总结了FBS流化床分选机的日常操作和维护中的一些做法和经验,确保了FBS流化床分选机运行工况良好。技术检查结果表明,分选机可以将精煤泥灰分控制在7.00%~9.00%,尾煤灰分控制在30.00%以上。The structure and working principle of FBS fluidized bed separator are introduced.By analyzing the influencing factors of FBS fluidized bed separator in Xinhe coal preparation plant,combined with the technical inspection of feed,underflow and overflow,the change law of overflow ash is summarized.During normal production,the set value of FBS density and top water pressure can be adjusted in time according to the change law.The FBS fluidized bed separator is summarized The technical inspection results show that the sorter can control the ash content of clean coal slime at 7.00%~9.00%and the ash content of tail coal at more than 30.00%.

关 键 词：粗精煤泥 FBS流化床分选机 床层密度 精煤回收率 顶水压力 入料粒度 

分 类 号：TD942[矿业工程—选矿]