2023年第1期柳钢液密封式烧结环冷机余热高效利用实践刘慧敏,韦俊东,李东升,向小平,朱梦飞,刘武杨(柳州钢铁股份有限公司,广西柳州505001)摘要:主要对柳钢1号360m2烧结机原环冷系统烟气余热利用状况及影响因素进行深入分析和详细阐述,并有针对性地通过采取环冷机设备节能环保升级改型、深度挖掘环冷系统余热回收潜力、合理调配环冷机各段风量关系等多项措施,进一步优化了1号360m2烧结机环冷系统热风制度,且有效解决了烧结环冷系统余热资源浪费的问题,极大提高了环冷机烟气热能利用率,产线余热发电量和回热温度分别提高9.59kWh/t和42℃,余热利用效率提高34.27%,取得了显著的经济效益。关键词:环冷机;余热利用;风量调配中图分类号:X75文献标识码:A文章编号:2095-5014(2023)01-0055-05PracticeofHighEfficiencyUtilizationofWasteHeatofLiquid-sealedSinteringRingCoolerinLiugangLIUHuiming,WEIJundong,LIDongsheng,XIANGXiaoping,ZHUMeng-fei,LIUWuyang(SinteringplantofGuangxiLiuzhouIronandSteelGroupCompanyLimited,Liuzhou505001,Ghina)ABSTRACT:Inthispaper,thecurrentsituationandinfluencingfactorsoffluegaswasteheatutilizationofringcoolingsystemofLiugangNo.1360m2sinteringmachineareanalyzedandelaborated.Andtargetedbyadoptingenergy-savingandenvironmentalprotectionupgradingandupgradingofringcoolingequipment,exploringthepotentialofwasteheatrecoveryofringcoolingsystem,rationallyallocatingtheairvolumerelationshipofeachsectionofringcoolingmachine,andsoon.Thehotairsystemoftheringcoolingsystemof1#360m2sinteringmachinewasoptimized,andtheheatresourcewasteissueoftheringcoolingsystemwaseffectivelysolved.Theheatenergyutilizationrateoftheringcoolingmachinewasgreatlyimproved,thewasteheatgenerationandreheatingtemperatureoftheproductionlinewereincreasedby9.59kWh/tand42℃respectively,andthewasteheatutilizationefficiencywasincreasedby34.27%,andremarkableeconomicbenefitswereobtained.KEYWORDS:ringcooler;wasteheatutilization;airvolumeallocation收稿日期:2023-01-11第一作者简介:刘慧敏(1998—),男,大学本科,助理工程师,主要从事烧结、球团工艺技术方面工作。金属材料与冶金工程MetalMaterialsAndMetallurgyEngineering第51卷第1...