毕业设计(论文)题目:设计日产200吨化学浆的洗选漂车间专业:轻化工程指导教师:牛梅红学生姓名:郭文龙班级-学号:轻化111-292015年6月大连工业大学本科毕业设计(论文)设计日产200吨化学浆的洗选漂车间Thedesignof200tonschemicalpulp’sbleachingworkshopperday设计(论文)完成日期2015年6月5日学院:轻工与化学工程学院专业:轻化工程学生姓名:郭文龙班级学号:轻化111-2指导教师:评阅教师:2015年6月大连工业大学2015届本科生毕业设计(论文)-I-摘要该设计的题目是:设计日产200吨化学浆的洗选漂车间。车间的重要部分是洗选漂车间的设计。本设计的主要思路,利用新疆芦苇资源丰富,以及我国木材资源相对匮乏的现状,选择以芦苇为原料,生产出成本较为低廉的纸浆。在备料方面采用了干湿结合法,这样既利于除去尘土和泥沙,又利于节约水资源。蒸煮方面利用横管连续蒸煮,这样能够提高生产量,以及使芦苇浆蒸煮的均匀。横管蒸煮是一种特别适合芦苇原料的蒸煮方法。本设计采用的是碱法制浆,连续蒸煮。这样能够使木素脱出的比较快,蒸煮的时间相对较短,制出的浆料强度比较高。在漂白方面,采用了环保的漂白法ECF漂白,漂白分为四段ODQP。这样漂白的强度高,对环境的污染小,而且成本低。关键词:漂白;ECF;ODQP;芦苇浆;碱法制浆大连工业大学2015届本科生毕业设计(论文)-II-AbstractThetopicofthedesignisaboutthefactorythatproduces200tonschemicalpulpperday,especiallythewashing,screeningandbleachingworkshop.ThemainideasofthisdesignisthatXinJiangisrichinReedresources,andTheresourcesofwoodinChinaisless.Sochoosethereedasrawmaterials,anditmakethepulpbelow-cost.Inpreparation,drypreparationtechnologyandwetpreparationtechnologyareusedtogether,inordertoremovedustandsediment,anditalsosavewaterresources.Incooking,continuouspulpingpulping,thiscanimproveproductionquantity,anduniformreedpulp.Andthesteampipecookingisaspecialmethodforcookingreedpulp.Thisdesignusealkalipulping,continuouspulpingpulping.Itsadvantageistakeoffligninspeed,cookingtimeisshort,andthepulphighstrength.Inbleaching,themethodofECFbleachingisfriendlyforenvironmental,andbleachingisdivideintofourstagesisODQP.ECFbleachingpulpcangethighstrengthgood,environmentalimpactissmall,andlowcost.Keywords:Bleach;ECF;ODQP;reedpulp;alkalipulping大连工业大学2015届本科生毕业设计(论文)-III-目录摘要...........................................................IAbstract..........................................................II引言...........................................................1第一章总论........................................................21.1设计依据....................................................21.2设计的范围..................................................21.3指导思想....................................................21.4厂址的选择及论证............................................21.4.1地理位置...............................................31.4.2气候环境...............................................31.4.3原料来源...............................................31.4.4水源...................................................31.4.5电厂...................................................3第二章生产流程及生产方案的确定...................................52.1备料工段的说明..............................................52.2蒸煮工段的说明..............................................52.3蒸煮方式的选择..............................................52.4横管式连续蒸煮器的简介......................................62.5生产流程的说明..............................................62.5.1备料工段的生产流程说明.................................62.5.2洗选工段的生产流程说明.................................62.5.3漂白工段的生产流程说明.................................7第三章工艺计算....................................................83.1工艺参数表一览表............................................83.2浆水平衡计算................................................93.2.1漂白后贮浆池计算.......................................93.2.2连续漂白段平衡计算....................................103.2.2.1氧脱段平衡计算.....................................10大连工业大学2015届本科生毕业设计(论文)-IV-3.2.2.2二氧化氯漂白塔平衡计算..............................113.2.3螯合塔平衡计算........................................123.2.3.1过氧化氢漂白塔平衡计算:............................133.2.3.2圆网浓缩机平衡计算.................................133.2.3.3三段锥形除渣器平衡计算..............................153.2.3.4冲浆槽平衡计算:...................................163.2.3.5一段压力筛平衡计算:...............................173.2.3.6调浆箱平衡计算.....................................193.2.3.7二段真空洗浆机平衡计算..............................193.2.3.8稀释槽平衡计算.....................................203.2.3.9一段真空洗浆机平衡计算..............................203.2.3.10稀释槽平衡计算:..................................213.2.3.11双辊挤浆机平衡计算:...............................213.2.3.12喷放锅平衡计算:..................................223.2.3.13蒸煮横管的平衡计算:...............................223.2.3.14黑液槽平衡计算:..................................233.2.3.15回料平衡计算:....................................243.2.3.16斜螺旋脱水机平衡计算:.............................243.2.3.17苇片水洗机平衡计算:...............................253.2.3.18羊角除尘器平衡计算:...............................253.3浆水平衡明细表.............................................263.4浆水平衡总表...............................................37第四章设备及泵的选择.............................................394.1设备选择的原则.............................................394.1.1确定主要设备的方法....................................394.1.2关于确定设备的数量....................................394.1.3设备台数确定方法......................................394.1.4定型浆池的确定方法....................................404.2设备的选型.................................................404.2.1蒸煮横管的选型........................................40大连工业大学2015届本科生毕业设计(论文)-V-4.2.2洗涤和筛选设备的选型..................................414.2.3漂白设备的计算和选型..................................474.3泵类设备的选型和计算:.....................................534.4主要设备、池槽和泵选型表...................................57第五章重点车间说明.