有哪些信誉好的足球投注网站- 1、本文档共29页，可阅读全部内容。
- 2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
- 3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
查看更多
目录
设计任务书·············································· 4
第一章 前言············································ 5
第二章 精馏塔过程的确定······························ 5
第三章 精馏塔设计物料计算···························· 5
3.1水和乙醇有关物性数据································ 6
3.2 塔的物料衡算········································ 6
3.2.1料液及塔顶、塔底产品及含乙醇摩尔分率………………… 7
3.2.2平均分子量········································ 8
3.2.3物料衡算·········································· 8
3.3塔板数的确定·········································· 8
3.3.1理论塔板数的求取······························ 8
3.3.2求理论塔板数·································· 9
3.4塔的工艺条件及物性数据计算··························· 11
3.4.1操作压强······································ 12
3.4.2温度··········································· 12
3.4.3平均分子量··································· 12
3.4.4平均密度······································ 13
3.4.5液体表面张力 ································ 13
3.4.6液体粘度···································· 14
3.4.7精馏段气液负荷计算······························· 14
第四章 精馏塔设计工艺计算····························· 15
4.1塔径············································· 15
4.2精馏塔的有效高度计算······························ 16
4.3溢流装置·········································· 16
4.3.1堰长······································· 16
4.3.2出口堰高·································· 16
4.3.3降液管的宽度与降液管的面积············ 16
4.3.4降液管底隙高度···························· 17
4.4塔板布置及浮阀数目排列··························· 17
4.5塔板流体力学校核································· 18
4.5.1气相通过浮塔板的压力降······················· 18
4.5.2淹塔········································· 18
4.6雾沫夹带········································· 18
4.7塔板负荷性能图··································· 16
4.7.1雾沫夹带线··································· 17
4.7.2液泛线····························
文档评论（0）