典型文献
Application of multi-stage dynamic magnetizing roasting technology on the utilization of cryptocrystalline oolitic hematite:A review
文献摘要：
A large number of studies have shown that oolitic hematite is an iron ore that is extremely difficult to utilize because of its fine disseminated particle size,high harmful impurity content and oolitic structure.To recover iron from oolitic hematite,we developed a novel multistage dynamic magnetizing roasting technology.Compared with traditional magnetizing roasting technologies,this novel technology has the following advantages:firstly,the oolitic hematite is dynamically reduced in a multi-stage roasting furnace,which shortens the reduction time and avoids ringing and over-reduction;secondly,the novel dynamic magnetizing roasting technology has strong raw material adaptability,and the size range of raw materials can be as wide as 0-15 mm;thirdly,the roasting furnace adopts a preheating-heating pro-cess,and the low-calorific value blast furnace gas can be used as the fuel and reductant,which greatly reduces the cost.The actual industrial production data showed that the energy consumption in the roast-ing process can be less than 35 kg of standard coal per ton of raw ore.The iron grade of the concentrate and iron recovery reached 65％and 90％,respectively.
文献关键词：
中图分类号：
作者姓名：
Hanquan Zhang;Pengfei Zhang;Feng Zhou;Manman Lu
作者机构：
School of Resources and Safety Engineering,Wuhan Institute of Technology,Wuhan 430205,China
文献出处：
引用格式：
[1]Hanquan Zhang;Pengfei Zhang;Feng Zhou;Manman Lu-.Application of multi-stage dynamic magnetizing roasting technology on the utilization of cryptocrystalline oolitic hematite:A review)[J].矿业科学技术学报（英文版）,2022(04):865-876
A类：
cryptocrystalline,oolitic,thirdly
B类：
Application,magnetizing,roasting,technology,utilization,hematite,review,large,number,studies,have,shown,that,iron,ore,extremely,difficult,utilize,because,its,fine,disseminated,particle,size,high,harmful,impurity,content,structure,To,from,developed,novel,multistage,Compared,traditional,technologies,this,has,following,advantages,firstly,dynamically,reduced,furnace,which,shortens,reduction,avoids,ringing,secondly,strong,raw,adaptability,range,materials,can,wide,adopts,preheating,calorific,value,blast,gas,used,fuel,reductant,greatly,reduces,cost,actual,industrial,production,data,showed,energy,consumption,process,less,than,standard,coal,per,ton,grade,concentrate,recovery,reached,respectively
AB值：
0.496796
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