毕业设计年产2万吨味精工艺设计

经典word整理文档，仅参考，双击此处可删除页眉页脚。本资料属于网络整理，如有侵权，请联系删除，谢谢！陕西理工学院毕业设计年产2万吨味精工艺设计XXX）指导教师：XXX摘本设计是年产2万吨味精工艺设计；以玉米淀粉为原料水解生成葡萄糖、利用谷氨酸生产菌进行碳代谢、生物合成谷氨酸、谷氨酸与碱作用生成谷氨酸一钠即味精为主体工艺，进行工艺计算、物料衡算、热量衡算、设备选型，并绘制了等电罐结构图，发酵工序带控制点图，糖化工序图，工厂平面布置图。味精；发酵；工艺设计I陕西理工学院毕业设计Annualproductioncapacityof20000tonsofmonosodiumglutamateprocessdesignWANGXiao-feiTutor:LIZhi-zhou：Thedesignisanannualoutputof20,000tonsofmonosodiumglutamateprocessdesign;Tohydrolysisofcornstarchasrawmaterialstogenerateglucose,glutamicacidproducingbacteriatousecarbonmetabolism,biosynthesisofglutamicacid,glutamicacidandalkalitoformasodiumglutamateorMSGisthemainprocess,*forprocesscalculation,materialbalancecalculation,heatbalancecalculation,equipmentselection,andmappedthestructureofisoelectrictank,fermentationprocesseswithcontrolpointmap,thefactoryfloorplan,saccharificationprocessmap.：MSG,Fermentation,ProcessDesignII陕西理工学院毕业设计目录摘要ABSTRACT................................................................................................II1.总论.........................................................................................................11.1项目依据......................................................................................................11.1.1课题背景及味精概述............................................................................11.1.2味精产业概况........................................................................................11.1.3味精需求现状........................................................................................21.2设计原则......................................................................................................21.3设计任务......................................................................................................31.4厂制概况......................................................................................................31.4.1工厂组织................................................................................................31.4.2工作制度................................................................................................31.4.3人员配备................................................................................................31.5厂址选择......................................................................................................31.5.1建厂依据...............................................................................................31.5.2指导方针...............................................................................................31.5.3选厂经过...............................................................................................41.6环境保护剂废物处理.................................................................................4工艺设计...................................................................................................62.1工艺流程设计..............................................................................................62.1.1工艺流程设计的重要性.......................................................................62.1.2工艺流程设计的原则...........................................................................62.1.3工艺流程设计.......................................................................................62.2玉米制备淀粉工艺......................................................................................72.2.1湿法玉米淀粉制备工艺过程................................................................72.2.2湿法玉米淀粉生产的主要设备............................................................82.2.3玉米淀粉生产工艺技术指标................................................................82.3淀粉糖化工艺..............................................................................................92.3.1概述........................................................................................................92.3.2一次喷射双酶法制糖工艺流程............................................................92.3.3一次喷射双酶法制糖工艺控制要点....................................................92.4发酵工艺....................................................................................................102.5谷氨酸提取工艺........................................................................................102.5.1概述......................................................................................................102.5.2谷氨酸发酵液的特征和主要成分......................................................102.5.3等电点—离子交换法提取谷氨酸......................................................112.6谷氨酸制造味精工艺................................................................................12物料衡算.................................................................................................133.1生产过程的总物料衡算............................................................................13III陕西理工学院毕业设计3.1.1生产能力..............................................................................................133.1.2计算指标（以淀粉质为原料）..........................................................133.1.3物料衡算..............................................................................................133.1.4总物料衡算结果..................................................................................143.2制糖工序的物料衡算................................................................................143.3发酵工序的物料衡算................................................................................153.4谷氨酸提取车间物料衡算........................................................................173.4.1中和等电工序......................................................................................173.4.2离交工序..............................................................................................183.4.3提取车间物料衡算验算......................................................................183.5精制车间物料衡算....................................................................................193.5.1中和脱色工序物料衡算......................................................................193.5.2精制（结晶）工序物料衡算..............................................................203.6精制生产过程物料衡算图........................................................................20热量衡算.................................................................................................234.1液化工序热量衡算....................................................................................234.1.1液化加热用蒸汽量..............................................................................234.1.2液化液冷却用水量..............................................................................234.2糖化工序热平衡说明................................................................................234.3连续灭菌和发酵工序热量衡算................................................................234.3.1培养液连续灭菌用蒸汽量..................................................................234.3.2培养液冷却用水量..............................................................................244.3.3发酵罐空罐灭菌用蒸汽量..................................................................244.3.4发酵过程产生的热量及冷却用水量..................................................254.4谷氨酸提取工序冷量衡算........................................................................254.5谷氨酸钠溶液浓缩结晶过程的热量衡算................................................254.5.1热平衡与计算蒸汽加热量..................................................................264.5.2二次蒸汽冷凝所消耗循环冷却水量..................................................264.6干燥过程的热量衡算................................................................................274.7溴化锂制冷机所用蒸汽量........................................................................284.8生产过程耗用蒸汽衡算汇总....................................................................28水平衡.....................................................................................................295.1糖化工序用水量........................................................................................295.2发酵配料及培养基灭菌后冷却用水量....................................................295.3发酵过程冷却用水量................................................................................295.4谷氨酸提取工序冷却用水量....................................................................295.5中和脱色工序用水量................................................................................295.6精制工序用水量........................................................................................295.7动力工序用水量........................................................................................295.8用水量汇总................................................................................................29主要设备选型及计算.............................................................................31IV陕西理工学院毕业设计6.1罐的选择....................................................................................................316.1.1发酵罐..................................................................................................316.1.2种子罐..................................................................................................336.1.3离子交换柱..........................................................................................346.1.4尿素罐..................................................................................................366.1.5等电罐..................................................................................................366.1.6油罐......................................................................................................376.2泵的选择....................................................................................................376.3空气系统选择............................................................................................376.3.1流程选择的原则..................................................................................376.3.2空气净化设备流程..............................................................................376.3.3具体设备要求......................................................................................376.4容器、槽的选择........................................................................................396.5其他设备的选择........................................................................................396.6辅助设备选择............................................................................................40全厂总平面设计错误！未定义书签。7.1总平面设计任务和步骤............................................................................447.1.1总平面设计任务..................................................................................447.1.2工厂组织..............................................................................................447.2总平面布置评述........................................................................................447.3工厂布置原则............................................................................................457.4竖向布置原则............................................................................................457.5设备布置的原则........................................................................................467.6厂区管线布置原则....................................................................................46设计结果.................................................................................................478.1设计成果....................................................................................................478.2关键设备一览图.......................................................................................47总结............................................................................................................48致谢............................................................................................................49参考文献....................................................................................................50附录............................................................................................................51V陕西理工学院毕业设计1.总论、1。αHOH。5842是；；在为。1陕西理工学院毕业设计5万万万万万[2]为。为2陕西理工学院毕业设计。)。表1.1劳动定员表管理人员技术人员生产人员辅助生产人员服务人员比例序号部门合计/%1主要生产部门辅助生产部门管理及服务部门管理部门103153600————2436251461301082269.416.214.4122140—35050—6375555—738.1—3.13.24——服务部门——21242.72.4合计60066.714015.5900——5各类人员所占比例/%1003陕西理工学院毕业设计[3]9：HH23233。-4陕西理工学院毕业设计世—5陕西理工学院毕业设计2.工艺设计图2.1味精生产工艺流程图6陕西理工学院毕业设计[6]图2.2湿法玉米淀粉生产工艺流程图稀浆料进入细磨工序。进入一次和二次旋液分离器的淀粉悬乳液浓度为，压力为7陕西理工学院毕业设计）。表2.1湿法生产玉米淀粉的主要设备工序玉米浸泡主要设备浸泡罐玉米破碎凸齿磨胚芽分离旋流分离器胚芽洗涤曲筛细磨针磨纤维分离压力曲筛货锥型离心筛碟片分离机淀粉与蛋白质分离淀粉洗涤12级旋流分离器碟片分离机麸质浓缩麸质回收转股式真空吸虑机或板框式压滤机卧式刮刀离心机一级负压或正压二级气流干燥机管束干燥机淀粉脱水淀粉干燥湿纤维胚芽干燥麸质干燥气流干燥机或管束干燥机23万3万t。3万。；；；。8陕西理工学院毕业设计；；。；=；；；。1万t万4和6，4和632↓↓↑↓调/23/调23。℃调249陕西理工学院毕业设计。。2为～龄222[9]为。。。。。。10陕西理工学院毕业设计++44。。28℃2hpH3.0~3.210~12h5~10（6~8hpH1.5H+HSOpHNH加调243pH9.0图2.3等电点—离子交换法提取谷氨酸工艺流程图11陕西理工学院毕业设计图2.4谷氨酸制造味精的生产工艺流程图12陕西理工学院毕业设计3.物料衡算。。[10]。表3.1计算指标项目指标淀粉糖化转化率发酵产酸率（浓度）发酵对糖转化率98.5%11%60%1.5%96%95%86%40h培养菌种耗糖为发酵耗糖的谷氨酸提取收率精制收率商品淀粉中淀粉含量发酵周期（含辅助时间）全年工作日320d量184＝147量量1000749.61000644.710001153.50.866986%13陕西理工学院毕业设计实际产量（kg)理论产量（kg)＝①②1.008100%65%1.5511）3或90.4330%90.4334301.43t；265.97353.44485.82m311)。表3.2总物料衡算结果（年产2万t味精）玉米淀粉原料原料规格生产1t100%MSG日（耗）产量（t/d）玉米淀粉/t糖液/t86%30%1.55114.8620.91971.096.17301.4357谷氨酸/t味精/t90%100%62。14陕西理工学院毕业设计100086%100%30.7%280010001000100.5L2000。量22100010001201.2L100000。100086%1.1198.5%3134kg30%2。表3.3制糖车间物料衡算汇总表项目商品淀粉配料水液化酶CaCl2物料比例/kg日投料量/t96.17项目30%糖液滤渣物料比例/kg日产料量/t300.860.96100018000.6313410172.80.05760.1441.5糖化酶1.50.144蒸汽冷凝水及洗水量340.432.68累计3144301.823144301.824981660kg30%＝＝，15陕西理工学院毕业设计糖。表3.4发酵配料用各种营养物比例成分数量（t）数量（）玉米浆（）糖蜜0.00280.00350.00240.00550.00710.00070.022MgSO·7HO42KClNaHPO·12HO242其他（生物素等）总计1660（30%1）＝830kg20%在糖、K。24糖533.3×52.7kg10007。22318555.5204kg147555.5718×43.3kg11147。2570%（1大116陕西理工学院毕业设计27100%1870%X＝X出0.6220.6220.0150.0042水/kg干空气进1.576027100%2.57601870%h3约。。2。表3.5配料、连续灭菌和发酵工序物料衡算汇总表1t工业淀粉之匹配物料/kg每天进入系统的物料/（t/d）1t工业淀粉之匹配每天离开系统的项目项目物料/kg5403.637物料/（t/d）30%糖液60g/L浓糖浆玉米浆16609012.8159.686.60.270.341.5179.8发酵液尾气带水损失519.63.56131.25糖蜜3.5无机盐等15.7830配料水灭菌进入蒸汽及补水1120107.7种液391247.316037.623.815.40.2611.5524.5反应水液氨消泡剂空消蒸汽累计2.7119.65453.65453.6524.5。。。量量17陕西理工学院毕业设计。为。。表3.6谷氨酸等电工序物料衡算汇总表1t商品淀粉及相应每天进入系统的物1t商品淀粉及相应物料/kg每天离开系统的物料/（t/d）项目项目物料/kg料/（t/d）发酵液高流水54042432565519.7233.954.390%Glu592.6780857母液750.9累计8401807.98401807.9。。的。。。533.37655L0.29%。表3.7离交工序物料衡算汇总表1t商品淀粉及相应每天进入系统的物1t商品淀粉及相应物料/kg每天离开系统的物料/（t/d）项目项目物料/kg料/（t/d）750.946.2母液92.5%硫酸99%液氨洗脱液用水累计7808高流废液24327808233.9751317163＝480646.21888181.6984.91024010240984.9以18陕西理工学院毕业设计24。＝，。。533.31.2721696L40%。表3.8中和脱色工序物料衡算汇总表1t商品淀粉及相应物料/kg每天进入系统的物料/（t/d）1t商品淀粉及相应物料/kg每天离开系统的物料/（t/d）项目项目90%Glu离子膜碱活性炭水5934845746.5中和脱色液废炭渣196753189.175.0113.39301.2889.4累计2020194.182020194.1819陕西理工学院毕业设计。量量。。。表3.9精制工序物料衡算汇总表1t商品淀粉及相应物料/kg每天进入系统的物料/（t/d）1t商品淀粉及相应物料/kg每天离开系统的物料/（t/d）项目项目40g/dL中和脱色液结晶过程加水分离调水洗水累计196720032189.219.23100%MSG母液644.41506214.4135蒸发水分1404.621992199211.4211.42。20陕西理工学院毕业设计）0.6kgCaCl0.5kg21.5kg10kg3134kg2.8kg3.5kg15.7kg3.4kg391kg160kg2.7kg0.7kg5.2kg5404kg92.5%HSO480kg2464kg7808kg593kg484kg13kg53kg1967kg150kg100%MSG644.4kg图3.1味精生产过程物料衡算图（以1000kg商品淀粉为基准）21陕西理工学院毕业设计商品淀粉液化酶2糖化酶滤渣糖液玉米浆糖蜜无机盐糖蜜种子液氨无机盐玉米浆消泡剂发酵液24液氨含废液谷氨酸碱液活性炭废炭中和脱色液母液图3.2味精生产过程物料衡算图（年产2万吨味精，以t/d为基准）22陕西理工学院毕业设计4.热量衡算）X100X－＝c＋c0100水100c0%c水30.710030.7－1.55）4.1863.38kJ/kg）·100100cT－T）＝21hh12T）1T）2h1h2131033.38383293）＝1729kg/1.7t/h2748.5461213103[95]W＝16815/t/h[52×至量223陕西理工学院毕业设计62401.42台73.524台313400260m320h℃14001.05t/h221010003.7[120273）－（70273]＝17296kg/t/h2748.51204.186。[]W＝494983/t/h[4530]，由11810000.5[127273）－（20273]＝kg/t/h2748.5535.4。33。。m·h·2mm3247541.5[60273）－（20273]＝356kg/h2748.5535.424陕西理工学院毕业设计4750.0011000[127273）－（20273]4.182748.5535.4＝96kgm2.91.11000356964947kg/t/h10%6。Q。总Q总CHO66222CHOCHO663259422）3hhρ出进hh进出34·h347Q总772台//。21m/3/。/h3m/h3K）×。1台kWt/hm/m/m/h1333/。2325陕西理工学院毕业设计6218）24t121.923加8，在。Q37Q36KQ4182.01012.7＝Q61.0910kJ6187Q36Q383Q36QQQQQQQ）6）81.451082738.5604.7－2%）＝kg/罐次＝t/罐次237.543.3255.32m312。26陕西理工学院毕业设计）[4530]/207t/h213/，642%620.2%W＝t/48kg/h24QQQTTQ21）QQQT2T1X0Q＝＝17457.65/hTT）[8060]q12cK）qh－h））＝10＝0.6t/h1h0h127陕西理工学院毕业设计2台，11。1。t/dt/ht/h。。表4.1生产过程耗用蒸汽汇总表生产工序日用量（t/d）平均用量（t/h）高峰用量（t/h）液化、糖化连消40.841.561.71.730.250.489.280.622发酵罐空消等中和脱色精制1.20.611.60.81411.5222.714.4302.439干燥溴化锂制冷机空气净化及其他累计12.61.6228.262678.334.228陕西理工学院毕业设计5水平衡t/ht/d。。。。为的0.6242%td8.68/3%30%62×0.75%＝t/d2%0.46530%7t/d。2%。。2台34。21。21备3。/hm3m3）29陕西理工学院毕业设计3m。。。计算，每天可回收冷凝水30陕西理工学院毕业设计6主要设备选型及计算t））24h）×t）24（h）×操作周期（h）运转时间（h）操作周期（h）×：4.88891187.1310009kg）100100100147.131980000049404082m）34040821263m）3320共126323609m）30.73333）。31陕西理工学院毕业设计3H070＝·H0.785D21.57D230.7409）＝3取H0V)0h。a43＋5m）V4底23V十V3)底034000340003＝＋＝5mm）35230[－2300.84取340002.3S＝8mm）552000.82.9取：18(mm)S32陕西理工学院毕业设计罐2（）r/39530.524.81.456.3）360℃→℃→℃↓↓℃℃5＝＝（7℃）2Q600070＝＝0m）KT750051H0＝35）取）hh）l2V)3底333陕西理工学院毕业设计液5RSOHNHCLRSONHHCLCOOH343＋''＋[H]242H＋H·''3233RSOHNCHRCOOHNaOH－＋'33RSONa＋HNCHRCOOHHO'322RSONHNaOHRSONaNHHO·34332RSONaHClRSOHNaCl33为33b.的HH的及H3于2。d.g。3＝D2＝D23421）m＝3取））34陕西理工学院毕业设计Z2.84.7）mH＝＝0.60.6)2D230[－＝＋C2＝32300.824（）4.5取6）,（）901.2/0.15yrDDyS＝＋C230[2140038＝32300.84（）6.2mm取）。0.1PSDCbtbttdS5H8最小）把202140023（）＋294028200.508294020取35陕西理工学院毕业设计S）最小3（kg）210070000100100100m）5.252.13508035，33o共9加：840.785DH0.785D2D220.756）＝3）)（＋D＝2）0.0010530048027000＝0.3cm）0.31取36陕西理工学院毕业设计取o取dbhsin＝hsin21.380.276sin45m）0.272ZFDn（）kW6109330.751.21.226100.272.762010502390.75（）1.04kW60.1（）420L700001005)气37陕西理工学院毕业设计的21408）3.7s110.80.10.785D26010.8＝2）600.10.7852台。，。＝7）0.1℃1.41TT3.73033.7167℃213)232400干空气重量＝0kg/）22.43031292930.04310.04310.6223kg/kg干空气）3.70.0431Q1Q2十38陕西理工学院毕业设计℃℃↓↓℃℃t.7(C)om2.3lg·h·)Q129220＝KT7049.7（）37m2＝mlm。3232为o度ooo)↓，，S4221270000kg）100折