粉煤灰分选研究进展  

Research progress of fly ash separation

作　　者：杜杰 欧阳平[1] 张贤明[1] 陈凌[1] DU Jie;OUYANG Ping;ZHANG Xian-ming;CHEN Ling(Engineering Research Center for Waste Oil Recycling Technology and Equipment,ChongqingUniversity of Commerce and Industry,Chongqing 400067,China)

机构地区：[1]重庆工商大学废油资源化技术与装备教育部工程研究中心,重庆400067

出　　处：《应用化工》2020年第7期1851-1856,共6页Applied Chemical Industry

基　　金：重庆市技术创新与应用示范项目(cstc2018jscx-msyb0708,cstc2017shmsA90009);重庆市基础与前沿项目(cstc2017jcyjAX0146);重庆市教委资助项目(KJQN201800822,KJQN201800816,KJZD-M201900802,KJZD-K201800801);重庆工商大学研究生教改项目(2016YJG0204)。

摘　　要：重点阐述了粉煤灰的空心微珠结构:漂珠、磁珠和沉珠,介绍了三种珠体的性质特点及目前主要的分选方法和应用领域。综述了粉煤灰目前主要的分选手段,如筛分法、风选法、浮选法等,简述了各方法的工作原理和优缺点,以及操作中的注意事项等。最后指出了目前研究中存在的问题和不足,并对其未来的研究方向进行前景展望。The structure of the hollow microbeads of fly ash,drift beads,magnetic beads and sunk beads,and the properties and characteristics of the three kinds of beads,as well as the main sorting methods and application fields are introduced.The main separation methods of fly ash at present,such as screening method,air separation method,flotation method,etc.,are summarized,and the working principle,advantages and disadvantages of each method,and the precautions in operation are briefly described.Finally,the existing problems and deficiencies in the current research are pointed out,and the future research direction is prospected.

关 键 词：粉煤灰 分选 分离 

分 类 号：TQ029[化学工程]