苏琼(1988—),女,主任工程师,工程师,243000安徽省马鞍山市。新型干雾抑尘技术在某铁选厂矿车受料坑的应用苏琼(安徽马钢矿业资源集团有限公司)摘要某矿山选矿厂储矿仓在电机车卸矿时,仓口存在着严重的粉尘外溢现象,现场环境极其恶劣。为解决该问题,在大量考察和调研的基础上,确立了采用新型干雾抑尘系统的方案。通过在储矿仓厂棚内受料坑上部设置的喷雾模块组件,使卸矿厂棚内平均粉尘浓度由改造前的72.77mg/m3降至6.76mg/m3,降幅高达90%以上,粉尘浓度显著降低;系统日耗水量约9m3、耗电量为500kW·h,成本经济。新型干雾抑尘系统在大区域面积开放式产尘点的除尘方面优势显著,具有广阔的推广应用价值。关键词受料坑新型干雾抑尘系统粉尘浓度DOI:10.3969/j.issn.1674-6082.2023.08.056ApplicationofNewDryFogDustSuppressionTechnologyinaMineCarReceivingPitofanIronOreDressingPlantSUQiong(AnhuiMasteelMiningResourcesGroupCo.,LTD.)AbstractWhentheorestoragebinofamineconcentratorunloadsorebyelectriclocomotive,thereisaseriousdustspilloverphenomenonatthemouthofthebin,andtheon-siteenvironmentisextremelybad.Inordertosolvethisproblem,onthebasisofalargenumberofinvestigations,aschemeofanewdryfogdustsuppressionsystemwasestablished.Theaveragedustconcentrationintheshedoftheunloadingoreplantwasreducedfrom72.77mg/m3to6.76mg/m3bysettingthespraymodulecomponentintheupperpartofthereceivingpitoftheorestoragewarehouseshed.Theextentofreductionwasashighasmorethan90%,andthedustconcentrationwassignificantlyreduced.Thedailywaterconsumptionofthesystemisabout9m3,thepowerconsumptionis500kW·h,andthecostiseconomical.Thenewdryfogdustsuppressionsys⁃temhassignificantadvantagesindustremovaloflargeareaopendustproductionpoints,andhasabroadap⁃plicationvalue.Keywordsreceivingpit,newdryfogdustsuppressionsystem,dustconcentration总第652期2023年8月第8期现代矿业MODERNMININGSerialNo.652August.2023在冶金矿山工艺中,矿石要经过破碎、运送、选别、筛分等工序,有的矿山不仅输送距离长,而且转运落差大,由于运送设备的振动或自然风力、下落正压风等多方面原因,会产生大量的粉尘。面对矿山普遍存在的产尘点分散且线长,粉尘污染的有效治理问题十分突出[1-6]。某...