%0 Journal Article
%T Magnetic Roasting of an Oolitic Hematite and Limonite Ore in a Fluidized Bed Reactor<br>某鲕状赤褐铁矿流化床磁化焙烧-磁选工艺
%A ZHOU Jian-jun
%A ZHU Qing-shan
%A WANG Hua-jun
%A NI Wen
%A <br>周建军
%A 朱庆山
%A 王化军
%A 倪文
%J 过程工程学报
%D 2009
%I 
%X 采用流化床反应器作为磁化焙烧装置,以高纯N2和CO混合气体作为还原气体,考察了550～800℃下,云南某地区的鲕状赤褐铁矿磁化焙烧-磁选的影响因素.结果表明,未经过预处理的矿粉采用磁化焙烧一磁选分离,精矿中铁品位可提高至约55%,铁回收率<70%;经过预处理的矿粉,精矿中铁品位可提高至60.18%,铁回收率达85.91%.预处理矿粉形成了多孔疏松结构,使还原气体易进入铁矿颗粒内部,有利于Fe3O4生成,提高了磁选指标.
%K fluidized bed
%K oolitic hematite and limonite ore
%K magnetic roasting<br>流化床
%K 鲕状赤褐铁矿
%K 磁化焙烧
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=3FCF8B1A330466D5&jid=B9EE12934D19905403D996AE65CEEEED&aid=1AA4C415E4702B369AEB9D3FADCDD171&yid=DE12191FBD62783C&vid=9CF7A0430CBB2DFD&iid=0B39A22176CE99FB&sid=F416A9924F23B020&eid=C2F76551C0111538&journal_id=1009-606X&journal_name=过程工程学报&referenced_num=4&reference_num=18