辽宁科技学院本科生毕业设计第PAGEV页年处理12万吨焦油焦油车间蒸馏工段初步设计摘要本次设计的题目是年处理12万吨焦油焦油车间蒸馏工段工艺初步设计，焦油蒸馏采用两塔连续式馏分工艺流程。通过已知数据计算整个生产过程的主要设备的工艺尺寸，并进行非工艺部分的设计。详细论述了工艺流程。本设计的主体设备是管式炉，主要进行管式炉的物料衡算、能量衡算及具体的工艺尺寸计算，并绘制成图。此外还进行蒽塔和馏分塔的物料衡算和热量衡算对蒽塔塔板数及工艺尺寸计算;一次蒸发器和二次蒸发器的计算及选型。本设计的专题是介绍煤焦油蒸馏工艺过程中存在的污染物及危害。综合论述国内外煤焦油蒸馏过程中对污染物采取的防护治理措施、工艺、特点、污染治理取得的效果及展望。最后根据相关数据及资料进行非工艺部分的简要论述。完成蒸馏工段的设备布置，绘制工艺流程图、平面图及立面图；完成该工艺三废处理与环境保护方面的设计和用水、用电等非工艺部分的设计任务。关键词：焦油蒸馏，管式炉，污染Thepreliminarydesignofdistillingsectionofcoaltarworkshopwiththescaledealingof120,000tonscoaltarperyearAbstractItisapreliminarydesignforanannualoutputof120000tonsofcoaltarinTheprocessofdistilledcoaltaradopstotwotowerscontinuousdistillingprocess.Tocalculatethesizeofthemainequipmentanddesignthenon-technicalpartaccordingtothedatethathasalreadybeenknown.Thisdesignillustratesthetechnicalprocessindetails.Themainequipmentofthisdesignisatubefurnace.Thereisameasurementformaterials,power.Andlastapictureaboutthisdesignwillbedrawn.Inaddition,thecalculationoftheanthracenetowerthedistilledtowerandheatwillbedone.Thereisalsoselectionforthefirstdistillatoryandtheseconddistillatory.Thetopicisdesignedfortheintroductionofthepollutantandthehazardsintheproducingprocess.Theprotectivemeasurementswillbetakenbydiscussingthepollutantsdealingresultinhomeandabroadtocreateanewavailablewayforcontrollingthepollutedproducts.Finally,tocompletetheequipmentlayoutofdistillation,thepictureofproducingprocess,theplaneandthree-dimensionalpictureaswellaswastetreatments,environmentalprotectionbyaccordingtotherelateddatesandmaterials.Keywords:tardistillation,tubefurnace,pollution目录TOC\h\z\t"标题3,3,样式00,2,01,3,引领,1,00002,4"HYPERLINK\l"_Toc327204445"PAGEREF_Toc327204445\h1HYPERLINK\l"_Toc327204446"1绪论PAGEREF_Toc327204446\h1HYPERLINK\l"_Toc327204447"1.1煤焦油的论述PAGEREF_Toc327204447\h1HYPERLINK\l"_Toc327204448"1.1.1煤焦油的应用及深加工意义PAGEREF_Toc327204448\h1HYPERLINK\l"_Toc327204449"1.1.2焦油主要危害及其特性PAGEREF_Toc327204449\h1HYPERLINK\l"_Toc