吕临能化选煤厂煤泥浮选捕收剂优化  

Collector Optimization for Lyulin Plant's Coal Flotation

作　　者：杨崇义 郝波 樊民强[1] 杨宏丽[1] 王月 尉晓龙 YANG Chongyi;HAO Bo;FAN Minqiang;YANG Hongli;WANG Yue;WEI Xiaolong(College of Mining Engineering,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China;Coal Preparation Plant of Lyulin Energy&Chemical Co.,Ltd.,Huozhou Coal&Electricity Group,Lyuliang 033200,Shanxi,China)

机构地区：[1]太原理工大学矿业工程学院,山西太原030024 [2]霍州煤电集团吕临能化有限公司吕临能化选煤厂,山西吕梁033200

出　　处：《矿产综合利用》2024年第3期86-91,共6页Multipurpose Utilization of Mineral Resources

基　　金：山西省回国留学人员科研资助项目资助。

摘　　要：这是一篇矿物加工工程领域的论文。选择吕临能化有限公司选煤厂的5^(#)、9^(#)和木瓜三种煤样为研究对象,对三种煤样进行了粒度组成、工业分析与元素分析;采用XRD、FT-IR与XPS等方法对三种煤样的矿物组成和表面官能团进行了分析。采用煤油、现场药剂与实验室自研的TY6药剂进行了浮选实验,对比了三种药剂对不同类型煤样的捕收效果。结果表明,5^(#)煤样易浮,9^(#)煤样浮选性能略低于5^(#)煤,而木瓜煤样氧化程度高,亲水能力强,难浮。对于三种煤样,TY6和现场药剂都表现出明显优于煤油的捕收性能,且用量更低;对于易浮煤样,TY6选择性更好;对于难浮煤样,TY6捕收能力更强。分散粒径小、粘度大、复配有含氧有机物等是TY6异于煤油的主要特点,也因此能够与煤,特别是氧化煤表面更好地作用,使煤表面接触角增大,疏水性变强,可浮性明显改善,在这些方面,TY6表现比现场药剂略胜一筹。This is an article in the field of mineral processing engineering.Three samples of 5^(#),9^(#)and Mugua coal from Coal Preparation Plant of Lyulin Energy&Chemical Co.,Ltd.were collected as the research objects.Screening,proximate analysis and ultimate analysis of the three coal samples were carried out.The mineral composition and surface functional groups of the three coal samples were analyzed by XRD,FT-IR and XPS.Kerosene,on-site reagent and TY6 developed in the laboratory were used for flotation tests.The collecting effect of the three reagents on different types of coal samples was compared.The results showed that 5^(#)coal sample was easy to float,9^(#)coal sample showed less floatability than 5^(#)coal,while Mugua coal showed the poorest floatability owing to high oxidation and strong hydrophilicity.For the three coal samples,TY6 and the on-site reagents both showed much better collective ability than kerosene and consume less as well.For easy-to-float coal,TY6 showed better selectivity,while for difficult-to-float coal,TY6 showed better collectivity.Smaller particle size dispersed in water,higher viscosity,and containing oxygen-bearing organic substances were the main characteristics of TY6 and the on-site reagents that made them stand out as compared with kerosene,which resulted in better reaction with coal surface,bigger contact angle and better hydrophobicity.In this point of view,TY6 behaved even a little better than the on-site reagents.

关 键 词：矿物加工工程 煤泥浮选 浮选药剂 氧化煤 TY6 

分 类 号：TD94[矿业工程—选矿]