2023·13科研开发162ModernChemicalResearch当代化工研究2023·13科研开发162ModernChemicalResearch当代化工研究氟化氢精馏塔塔釜列管式加热器优化研究*黄天梁(福建省龙氟新材料有限公司福建364204)摘要:传统的氟化氢精馏塔塔釜加热装置为以水蒸汽作热源的盘管式加热器,存在换热效率低和热源与精馏物温差过大的问题。为提升精馏效率,规避因温差过大带来的设备穿孔风险,设计开发以60℃水作热源的列管式加热器。在单因素试验的基础上,以换热效率为响应值,通过响应面法对列管式加热器的结构进行优化。结果表明,最优装置结构为:折流板数量8块、热水缓存区宽度240mm、换热管翅化比5.9。经试验验证,新研制的列管式加热器可以满足氟化氢精馏塔的供热需求,换热效率达97%以上。关键词:氟化氢;精馏;列管式加热器;装置优化中图分类号:TQ124.3文献标识码:BDOI:10.20087/j.cnki.1672-8114.2023.13.054OptimizationofTubeHeaterinHydrogenFluorideDistillationColumnHuangTianliang(FujianLongfuNewMaterialCo.,Ltd.,Fujian,364204)Abstract:Thetraditionalheatingdeviceforhydrogenfluoridedistillationtowerkettleisacoilheaterusingwatervaporastheheatsource,whichhasproblemsoflowheatexchangeefficiencyandexcessivetemperaturedifferencebetweentheheatsourceandthedistillate.Inordertoimprovedistillationefficiencyandavoidtheriskofequipmentperforationcausedbyexcessivetemperaturedifference,acalandriaheaterusing60℃waterasaheatsourcewasdesignedanddeveloped.Basedonsinglefactorexperiments,thestructureofcalandriaheaterswasoptimizedusingresponsesurfacemethodwithheattransferefficiencyastheresponsevalue.Theresultsshowthattheoptimaldevicestructureisasfollows:thenumberofbafflesis8,thewidthofthehotwaterbufferzoneis240mm,andthefintofinratiooftheheatexchangetubeis5.9.Theexperimentalverificationshowsthatthenewlydevelopedcalandriaheatercanmeettheheatingdemandofthehydrogenfluoridedistillationtower,withaheatexchangeefficiencyofover97%.Keywords:hydrogenfluoride;rectification;calandriaheater;deviceoptimization氟化氢,化学式HF,是一种有刺激性气味的有毒气体[1],极易溶于水[2],且化学性质非常活泼[3]。氟化氢是氟化工行业的基础性产品[4],广泛应用于玻璃加工、金属加工、电...