设计日产250吨普通新闻纸的抄纸车间

毕业设计（论文）题目：设计日产250吨普通新闻纸抄纸车间子题：专业：轻化工程指导教师：学生姓名：班级-学号：轻化年月大连工业大学本科毕业设计设计日产250吨普通新闻纸的抄纸车间Thedesignofdailyproduction250tonsofnewsprintpaperworkshop设计（论文）完成日期年月日学院：轻工与化学工程学院专业：轻化工程学生姓名：班级学号：指导教师：评阅教师：年月大连工业大学届本科生毕业设计（论文）I摘要本次设计主要是对日产250吨新闻纸的抄纸车间的初步设计，主要内容是抄纸车间的工艺流程设计以及各工段工序设备图，还包括车间布置图。本设计中采用废纸浆和化学热磨机械浆（CTMP）按60:40配抄新闻纸。总的一个设计思路主要围绕新闻纸这种纸张它的特点以及自身属性，来定这一纸种的生产原料和设备选型及布置，我在这次设计中主要运用书本及新闻纸生产厂家这两大部分采集资料，再涵盖自己的思想，在老师的悉心指导下完成此文。首先我介绍了新闻纸的产品规格以及技术指标以及建厂的可行性分析，这是作局为一个设计能否符合国家以及成品有效性的规定所要求的先决条件，也是设计的一个标准。然后是一些环保上的要求，充分考虑废水、废气、废渣的循环利用，还有一些整个图纸设计的技术指标。接着是介绍新闻纸的工艺流程以及浆水平衡的计算，设备的计算与选型，原材料蒸汽及水的耗用量。最后是介绍抄纸车间的工作制度，车间定额以及人员编制。以上提到的内容都与此次设计能否作为工厂正常实施可用必须的一个理论依据。关键词：新闻纸；废纸浆；化学热磨机械浆；浆水平衡；设备选型大连工业大学届本科生毕业设计（论文）IIAbstractThegraduationdesigntopicisdailyproduction250tonsofnewsprintpaperworkshoppreliminarydesign.Themaincontentsofthepaper-makingworkshopaswellastheprocessdesignprocessequipmentdiagramsection,butalsoincludingtheshoplayout.Thisdesignuseswastepaperpulpahemicalthermo-mechanicalpulp（CTMP）press60:40Furnishformakingnewsprintpaper.Atotaldesignfocusonthespecialpaperbasenewsprintpaperfeatures,aswellastheirownproperty,tosetthepapertypesofproductionmaterialsandequipmentselectionandlayout.MostoftheinformationcollectedinbooksandnewsprintpaperbasepapermanufacturerwhereIwasusedforthisdesignmainly,andthencoveredhisownideas,theteacherundertheguidanceofthisarticle.Firstofall,Iintroducedthenewsprintpaperproductspecificationsandtechnicalindicators,aswellasthefeasibilityofplantanalysis,itisapossibilityofadesignbureauforthenationalaswellasthefinishedproductrequiredbytheprovisionsoftheeffectivenessofpre-conditions,butalsoastandarddesign.Followedbyanumberofenvironmentalprotectionrequirements,takefullaccountofwastewater,wastegas,wasteresiduerecycling,aswellastheoverallgraphicdesignofanumberoftechnicalindicators.Newsprintpaperisthenintroduced,aswellastheprocessofcalculatingthebalanceforpulpandwater,selectingequipment,rawmaterials,steamandwaterconsumption.Finally,thereisintroducedthesystemofpaper-makingworkshop,workshopfixedandstaffing.Contentmentionedabovearerelatedtothedesignofthenormaloperationofwhethertheplantcanbeusedasatheoreticalbasisfortheneed.Keywords:newsprintpaper；wastepaperpulp；chemicalthermo-mechanicalpulp；balanceforpulpandwater；equipmentselecti大连工业大学届本科生毕业设计（论文）III目录摘要.........................................................IABSTRACT........................................................II绪论.........................................................1第一章总论.....................................................21.1设计依据...................................................21.2设计范围...................................................21.3设计思想...................................................21.4厂址选择论证...............................................2第二章工艺论证及流程设计.......................................42.1纤维原料的选择与配比.......................................42.2辅料的选择.................................................42.2.1施胶剂.................................................42.2.2防腐剂.................................................52.2.3消泡剂.................................................52.2.4助留助滤剂.............................................52.2.5加填...................................................62.3打浆工艺...................................................62.4供浆系统...................................................72.4.1纸料的配浆和混合.......................................72.4.2纸料的贮存.............................................72.4.3冲浆稀释...............................................72.4.4筛选净化...............................................82.4.5除气...................................................82.4.6流送上网...............................................82.5网部.......................................................92.6压榨部.....................................................92.7干燥部....................................................102.8压光......................................................102.9卷取......................................................10大连工业大学届本科生毕业设计（论文）IV2.10包卷与封头...............................................112.11损纸处理.................................................112.12白水回收.................................................112.13工艺流程方框图...........................................11第三章浆水平衡计算............................................123.1浆水平衡有关定额和工艺参数................................123.2浆水平衡计算..............................................133.3造纸车间浆水平衡明细表....................................243.2造纸车间浆水平衡明细表....................................243.4浆水平衡总表..............................................28第四章设备平衡计算及选型......................................294.1造纸机的生产能力有关计算..................................294.1.1造纸机的生产能力......................................294.1.2网案校核..............................................304.1.3干燥部能力校核........................................304.2贮浆池体积的计算及选型....................................314.3非定型池及其他药品系统设备计算与选型......................344.4筛选净化设备计算及选型....................................374.5浓缩、打浆、碎浆设备计算及选型.....................