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学号:题目：院（部）系所学专业年级、班级完成人姓名指导教师姓名专业技术职称年月日论文原创性保证书我保证所提交的论文都是自己独立完成，如有抄袭、剽窃、雷同等现象，愿承担相应后果，接受学校的处理。专业：班级：签名：年月日泰山医学院本科毕业设计摘要本设计重点描述了甲醇合成工艺流程。甲醇是重要的化工原料和燃料，应用于多个领域。首先简单地介绍了甲醇的生产发展、甲醇合成的反应热力学和动力学、甲醇反应需要的催化剂、甲醇合成工艺和甲醇的发展前景。其中，甲醇合成催化剂和工艺选择关系着甲醇合成产量。中低压、铜基催化剂的条件有利于甲醇合成。紧接着介绍了甲醇合成工艺。甲醇合成首先要进行造气。造气选用煤作原料，得到的粗煤气经脱硫、脱碳等净化操作后进入合成塔合成甲醇。甲醇合成工艺选择Luigi低压合成，合成气于5MPa、220℃下进入Luigi管壳式反应器。从合成塔得到的粗甲醇必须要进行精馏。本设计需要将原料粗甲醇精制到含醇量99.95%的纯度。根据现代对甲醇精馏工艺设计的了解，甲醇三塔精馏技术以其能耗低、产品质量好的优点领先于其他工艺。所以本设计采用三塔精馏工艺。再接着对甲醇的生产合成和精馏过程进行了详细的物料衡算。最后进行了常压精馏塔的计算，包括设备选型、塔的外形设计以及塔板流体力学验算。通过本次设计，对合成甲醇以及提纯甲醇有更深刻的认识。矚慫润厲钐瘗睞枥庑赖。关键词：甲醇；合成；工艺设计；三塔精馏；常压塔泰山医学院本科毕业设计AbstractThisdesignformethanolsynthesisprocessesweredescribedemphatically.Methanolisanimportantchemicalrawmaterialandfuel,isappliedtothefields.Firstsimplyintroducesthemethanolproductiondevelopment,thereactionthermodynamicsandkineticsofmethanolsynthesis,methanolreactionrequiresacatalyst,methanolsynthesisprocessandthedevelopmentprospectsofmethanol.Methanolsynthesiscatalystandprocessselectionisoneoftherelationshipbetweentheyieldofmethanolsynthesis.Inconditionsoflowpressure,copperbasecatalystformethanolsynthesis.Followedbymethanolsynthesisprocesswasintroduced.Gasificationmethanolsynthesisshouldfirst.Gasificationcoalasrawmaterials,therawcoalgasafterdesulfurizationanddecarbonizationpurificationoperationintothesynthesisofmethanolsynthesistower.ChooseLuigilow-pressuresynthesismethanolsynthesisprocess,synthesisgasin5mpa,220℃underintoLuigitubularreactor.Fromthecrudemethanolsynthesistowerhastobedistillation.Thisdesignneedtobematerialcrudemethanolrefiningtothealcoholcontentof99.95%purity.Accordingtothemodernunderstandingofthemethanoldistillationprocessdesign,methanoltowerdistillationtechnologyforitslowenergyconsumption,productqualitygoodadvantageaheadofothertechnology.SothisdesignUSESthreetowerdistillationprocess.We'llgoonwiththeproductionofmethanolsynthesisandmaterialbalanceofdistillationprocessindetail.Finally,thecalculationofatmosphericdistillationcolumnwascarriedout,includingequipmenttypeselection,designofthetowerandtrayhydrodynamicscalculation.Throughthedesign,formethanolsynthesisandpurificationofmethanolhasamoreprofound聞創沟燴鐺險爱氇谴净。understanding.Keywords：methanol；synthetic;processdesign;threetowerdistillation;atmosphericcolumn残骛楼諍锩瀨濟溆塹籟。泰山医学院本科毕业设计目录第一章前言..................................................0酽锕极額閉镇桧猪訣锥。1.概述...................................................0彈贸摄尔霁毙攬砖卤庑。1.1生产及技术发展....................................0謀荞抟箧飆鐸怼类蒋薔。2.甲醇合成...............................................1厦礴恳蹒骈時盡继價骚。2.1合成反应热力学....................................1茕桢广鳓鯡选块网羈泪。2.2合成反应动力学....................................2鹅娅尽損鹌惨歷茏鴛賴。2.3合成反应催化剂....................................2籟丛妈羥为贍偾蛏练淨。2.4合成工艺..........................................3預頌圣鉉儐歲龈讶骅籴。2.5合成甲醇的目的和意义..............................4渗釤呛俨匀谔鱉调硯錦。第二章工艺概述..............................................6铙誅卧泻噦圣骋贶頂廡。1.造气工段...............................................6擁締凤袜备訊顎轮烂蔷。1.1原料..............................................6贓熱俣阃歲匱阊邺镓騷。1.2原料气的制备......................................7坛摶乡囂忏蒌鍥铃氈淚。1.3工艺概述..........................................7蜡變黲癟報伥铉锚鈰赘。1.4净化工段..........................................8買鲷鴯譖昙膚遙闫撷凄。2.合成工段...............................................8綾镝鯛駕櫬鹕踪韦辚糴。3.精馏工段...............................................9驅踬髏彦浃绥譎饴憂锦。第三章工艺计算.............................................13猫虿驢绘燈鮒诛髅貺庑。1.甲醇生产的物料平衡计算................................13锹籁饗迳琐筆襖鸥娅薔。1.1合成塔物料平衡计算...............................13構氽頑黉碩饨荠龈话骛。1.2甲醇精馏的物料平衡计算...........................16輒峄陽檉簖疖網儂號泶。第四章常压精馏塔计算.......................................20尧侧閆繭絳闕绚勵蜆贅。1.基础数据...............................................20识饒鎂錕缢灩筧嚌俨淒。2.塔板数的计算..........................................21凍鈹鋨劳臘锴痫婦胫籴。2.1处理能力.........................................21恥諤銪灭萦欢煬鞏鹜錦。2.2最小理论板数.....................................21鯊腎鑰诎褳鉀沩懼統庫。2.3最小回流比.......................................22硕癘鄴颃诌攆檸攜驤蔹。2.4理论板数.........................................22阌擻輳嬪諫迁择楨秘騖。2.5进料位置.........................................22氬嚕躑竄贸恳彈瀘颔澩。2.6全塔效率的估算...................................22釷鹆資贏車贖孙滅獅赘。3.精馏段与提馏段的体积流量..............................23怂阐譜鯪迳導嘯畫長凉。3.1精馏段...........................................23谚辞調担鈧谄动禪泻類。3.2提馏段...........................................25嘰觐詿缧铴嗫偽純铪锩。4.塔径计算..............................................26熒绐譏钲鏌觶鷹緇機库。4.1精馏段...........................................26鶼渍螻偉阅劍鲰腎邏蘞。4.2提馏段...........................................27纣忧蔣氳頑莶驅藥悯骛。5.塔内件设计............................................28颖刍莖蛺饽亿顿裊赔泷。5.1溢流堰的设计.....................................28濫驂膽閉驟羥闈詔寢賻。5.2溢流装置.........................................28銚銻縵哜鳗鸿锓謎諏涼。泰山医学院本科毕业设计5.3塔板布置及浮阀数目与排列.........................29挤貼綬电麥结鈺贖哓类。6.塔板流体力学验算......................................31赔荊紳谘侖驟辽輩袜錈。6.1塔板压降.........................................31塤礙籟馐决穩賽釙冊庫。6.2液泛.............................................31裊樣祕廬廂颤谚鍘羋蔺。6.3雾沫夹带.........................................32仓嫗盤紲嘱珑詁鍬齊驁。7.塔板负荷性能图...........