第51卷第2期2023年4月文章编号：1001-3571（2023）02-0020-06捕收剂乳化对煤泥浮选效果影响的研究周宗丰"，赵晴"，高光宇'，刘锋'，许吉祥"，朱宏政²（1.淮北矿业股份有限责任公司淮北选煤厂，安徽淮北235025；2.安徽理工大学材料科学与工程学院，安徽淮南232001)摘要：针对传统捕收剂油滴尺寸大导致细小煤颗粒过量吸附，增大捕收剂用量抑制细小煤颗粒上浮，进而增加后续处理成本的问题，研究了捕收剂乳化对煤泥浮选效果的影响。通过设计乳化装置，在实验室进行了不同乳化条件的效能研究，并采用乳化捕收剂对准北选煤厂四个矿别的煤样进行了浮选试验。试验结果表明：当油水比为2:1，搅拌转速为1100r/min，搅拌时间为10min时，乳化效果最好；在此条件下，各矿煤泥浮选综合指标最佳，精煤灰分均为最低，且精煤可燃体回收率最高。关键词：煤泥浮选；药剂乳化；捕收剂；乳化器；可燃体回收率中图分类号：TD943EffectofemulsificationofcollectoronslimeflotationZHOUZongfeng',ZHAOQing',GAOGuangyu',LIUFeng',XUJixiang',ZHUHongzheng”(1.HuaibeiCoalPreparationPlant,HuaibeiMining（Group)Co.Ltd.,Huaibei231025,China;2.SchoolofMaterialsScience&Engineering,AnhuiUniversityofScienceandTechnology,Huainan232001,China))Abstract:Theproblemswiththeuseoftraditionalcollectorsinvolveexcessiveabsorptionofcollector,depressionoffloatingofultrafinecoalparticles,andhenceincreaseofcostsofsubquentprocessesbe-causethecollectorsusedhavegenerallyalargesizeofdroplets.Todealwiththissituation,astudyismadeontheeffectofemulsificationofcollectoronslimeflotation.Basedontheresultsoflaboratorytestondifferentemulsificationconditionswithaspecificallydesignedemulsifier,flotationtestonofthecoalsamplescollectedfromfourdifferentminesiscarriedoutbyHuaibeiPlantusingemulsifiedcollector.Testresultsshowthatabestemulsificationresultcanbeobtainedatanoil-waterratioof2:1,anagitatingspeedof1100r/minandanagitatingtimeof10minutes;andundertheseconditions,therecanbeseentheobtainmentofthebestcomprehensiveflotationindicator,alowestashvalueofconcentrateproductandhighestrecoveryofcombustiblematter.Keywords:finecoalflotation;emulsificationofagent;collector;emulsifier;recoveryofcombustiblematter目前选...
