水吸收二氧化硫设计任务书

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

齐齐哈尔大学化工原理课程设计题目水吸收二氧化硫过程填料吸收塔设计学院材料科学与工程学院专业班级高分子131学生姓名指导教师成绩2016年7月8日齐齐哈尔大学化工原理课程设计1摘要在化学工业中,经常需将气体混合物中的各个组分加以分离,其目的是回收或捕获气体混合物中的有用物质,以制取产品;除去工艺气体中的有害成分,使气体净化,以便进一步加工处理;或除去工业放空尾气中的有害物,以免污染大气。实际过程往往同时兼有净化和回收双重目的。气体混合物的分离,总是根据混合物中各组分间某种物理和化学性质的差异而进行的。吸收操作仅为其中之一,它利用混合物中各组分在液体中溶解度或化学反应活性的差异,在气液两相接触时发生传质,实现气液混合物的分离。完整的吸收过程应包括吸收和解吸两部分。在化工生产过程中,原料气的净化,气体产品的精制,治理有害气体,保护环境等方面都要用到气体吸收过程。二氧化硫填料吸收塔,以水为溶剂,经济合理,净化度高,污染小。以下是以水为溶剂吸收二氧化硫的设计。关键词:水;二氧化硫;吸收;填料塔齐齐哈尔大学化工原理课程设计2AbstractInthechemicalindustry,oftenneedallcomponentstobeseparatedfromthegasmixture,thegoalistorecycleorcapturingtheusefulsubstancesinthegasmixture,inmakingproducts;Toremovetheharmfulcompositioninprocessgas,gaspurification,sothatfurtherprocessing;Orremoveemptyindustrialtailgasofpests,inordertopreventatmosphericpollution.Theactualprocessoftenpurificationandrecyclingdualpurposeconcurrentlyatthesametime.Theseparationofgasmixture,accordingtothecomponentsinthemixtureisalwayssomedifferenceofthephysicalandchemicalproperties.Absorptionofoperationisonlyoneofthem,itUSESmixturecomponentssolubilityintheliquidorchemicalreactivity,ingasliquidtwophasemasstransferduringcontact,achieveseparationofthemixtureofgasandliquid.Completeabsorptionprocessshouldincludetwopartsoftheabsorptionanddesorption.Intheprocessofchemicalproduction,feedgaspurification,gasproductsrefined,governanceandharmfulgas,gasabsorptionprocessisnecessaryforprotecttheenvironment,etc.Sulfurdioxidepackingabsorptiontower,withwaterassolvent,economicandreasonable,purifyingdegreeishigh,pollutionissmall.Thefollowingisbasedonthedesignofthewaterassolventabsorptionofsulfurdioxide.Keyword:water;sulfurdioxide;absorption;packedtower齐齐哈尔大学化工原理课程设计3目录摘要........................................................................................................................1Abstract..................................................................................................................2第一章绪论........................................................................................................11.1概述........................................................................................................11.2操作条件................................................................................................31.3填料类型................................................................................................31.4厂址选择................................................................................................3第二章设计方案的选择与论证........................................................................32.1设计流程................................................................................................32.1.1吸收剂的选择与再生方法的选择............................................32.1.2装置流程的确定........................................................................62.1.3吸收工艺流程的确定.................................................................72.1.4填料的类型与选择....................................................................82.1.5操作温度与压力的确定..........................................................112.1.6除沫器(除雾器)..................................................................132.1.7管口结构..................................................................................142.2设计要求..............................................................................................15第三章塔的工艺计算......................................................................................16齐齐哈尔大学化工原理课程设计43.1基础物性数据......................................................................................163.1.1液相物性数据..........................................................................163.1.2气相物性数据.......................................................................163.1.3气液相平衡数据......................................................................173.1.4物料衡算..................................................................................173.2塔的结构设计......................................................................................183.2.1塔径的确定..............................................................................183.2.2填料层高度计算......................................................................193.3填料压降的计算..................................................................................21第四章塔附件设计计算..................................................................................234.1液体分布器设计...................................................................................234.1.1液体分布器设计的基本要求.....................................................234.1.2液体分布装置(液体喷淋装置).............................................244.2布液孔数................................................................................................264.3吸收塔接管尺寸计算...........................................................................274.4塔附属高度计算...................................................................................27设计总结..............................................................................................................28参考文献..............................................

1 / 39
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功