年产13万吨焦油加工厂蒸馏工段的初步设计

河北联合大学轻工学院QINGGONGCOLLEGE,HEBEIUNITEDUNIVERSITY毕业设计说明书设计（论文）题目：13万t/a焦油加工厂蒸馏工段的初步设计学生姓名：学号：专业班级：学部：指导教师：2012年5月15日摘要I摘要本设计为13万t/a焦油加工厂蒸馏工段初步设计。通过对国内外焦油加工工艺和发展现状的综述，选择用国内应用较多且比较成熟的常压两塔式焦油蒸馏工艺。首先对一段蒸发器、二段、蒸发器、蒽塔、馏分塔等主要设备进行了物料衡算；对馏分塔、蒽塔进行了设计计算，确定了塔径和塔高，并对塔板进行设计计算和流体力学校核；对馏分塔进行了机械设计和强度校核；最后给出非工艺条件。本设计的主要设备有：圆筒式管式炉350万千卡/小时，一段蒸发器的直径DN=1400mm、二段蒸发器直径DN=2200mm、馏分塔直径DN=1600mm，塔高H=23000mm，塔板数为36，蒽塔DN=1600mm，塔板数为23，一段冷凝冷却器的换热面积是54m2，馏份塔冷凝冷却器的换热面积是195m2，蒽油浸没式冷却器的换热面积是24m2。关键词:煤焦油；焦油蒸馏；馏分塔；工艺计算AbstractIIAbstractThedesignforthe130,000t/acoaltardistillationsectionispreliminarydesigned.Theprocessandthedevelopmentstatusofthedomesticandforeigntarisdescribed.Bycomparisontotheexistingprocess,thedomesticapplicationofmoreandmorematureatmospherictwo-towertardistillationprocessisselected.Thefirstsectionoftheevaporator,Sec,evaporator,anthracene,tower,distillatetowerequipmentmaterialbalance;distillatetower,anthracene,towerdesigncalculations,todeterminethetowerdiameterandtowerheight,andplatedesigncalculationsandthehydrodynamicscheck;distillatetowermechanicaldesignandstrengthcheck;Finally,non-processconditions.Theresultsshowthatcylindricaltubetypefurnaceis3.5millionkilocalorie/hour,thesectionoftheevaporatordiameteris1400mm,Secevaporatordiameteris2200mm.Thediameterofthetoweris1600mm,theheightofthetoweris23000mm,inwhichtheplatenumberis36.Anthracenetowerdiameteris1600mm,platenumberis23.Thesectionofcondensationheattransferareaofthecooleris54m2,andthedistillatetowercondensatecoolerheattransferareais195m2,anthraceneoil-immersednocoolerheattransferareais24m2.Keywords:coaltar;tardistillation;distillationtower;calculationofcrafts目录III目录摘要...................................................................................................................IAbstract...............................................................................................................II前言....................................................................................................................11文献综述.............................................................................................................22主要设备选择...................................................................................................123工艺计算...........................................................................................................133.1物料衡算.................................................................................................133.1.1整个流程的物料衡算...................................................................133.1.2主要设备的物料衡算...................................................................143.2主要设备计算.........................................................................................153.2.1管式加热炉...................................................................................153.2.2一段蒸发器...................................................................................173.2.3二段蒸发器...................................................................................183.2.4蒽塔...............................................................................................193.2.5馏分塔...........................................................................................203.2.6一段轻油冷凝冷却器...................................................................223.2.7馏分塔轻油冷凝冷却器...............................................................233.2.8浸没式冷却器（切萘洗量混馏分）...........................................243.3馏分塔塔板的工艺计算.........................................................................253.3.1塔径..............................................................................................263.3.2塔高..............................................................................................263.3.3圆泡罩塔盘的设计.......................................................................263.3.4板面布置.......................................................................................273.3.5塔板压降.......................................................................................293.3.6液冷情况.......................................................................................313.3.7鼓泡层高度hf...............................................................................313.3.8排空时间T...................................................................................313.4蒽塔塔板的工艺计算.............................................................................323.4.1塔径...............................................................................................333.4.2圆泡罩塔盘的设计.......................................................................333.4.3板面布置.......................................................................................343.4.4塔板压降.......................................................................................363.4.5液泛情况.......................................................................................383.4.6鼓泡层高度hf...............................................................................383.4.7排空时间T...............................................