精馏塔计算方法

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1、目录1设计任务书………………………………………………………………………………………………………………………………………………………………………11.1设计题目………………………………………………………………………………………………………………………………………………………………………1.2已知条件………………………………………………………………………………………………………………………………………………………………………1.3设计要求………………………………………………………………………………………………………………………………

2、…………………………………………2精馏设计方案选定………………………………………………………………………………………………………………………………………………………………12.1精馏方式选择…………………………………………………………………………………………………………………………………………………………………2.2操作压力的选择…………………………………………………………………………………………………………………………………………………………………2.4加料方式和加热状态的选择…………………………………………………………………

3、…………………………………………………………………………………2.3塔板形式的选择…………………………………………………………………………………………………………………………………………………………………2.5再沸器、冷凝器等附属设备的安排……………………………………………………………………………………………………………………………………………2.6精馏流程示意图…………………………………………………………………………………………………………………………………………………………………3精馏塔工艺计算………………………………………

4、……………………………………………………………………………………………………………………………23.1物料衡算…………………………………………………………………………………………………………………………………………………………………………3.2精馏工艺条件计算………………………………………………………………………………………………………………………………………………………………3.3热量衡算…………………………………………………………………………………………………………………………………………………………………………4塔板工艺尺

5、寸设计…………………………………………………………………………………………………………………………………………………………………44.1设计板参数………………………………………………………………………………………………………………………………………………………………………4.2塔径………………………………………………………………………………………………………………………………………………………………………………4.3溢流装置……………………………………………………………………………………………………………………………………………

6、……………………………4.4塔板布置及浮阀数目与排列……………………………………………………………………………………………………………………………………………………5流体力学验算………………………………………………………………………………………………………………………………………………………………………65.1气相通过塔板的压降……………………………………………………………………………………………………………………………………………………………5.2淹塔……………………………………………………………………………………………………

7、…………………………………………………………………………5.3雾沫夹带…………………………………………………………………………………………………………………………………………………………………………6塔板负荷性能图……………………………………………………………………………………………………………………………………………………………………76.1雾沫夹带线………………………………………………………………………………………………………………………………………………………………………6.2液泛线……………………………………………………

8、……………………………………………………………………………………………………………………6.3液相负荷上限线…………………………………………………………………………………………………………………………………………………………………6.4漏液线…………………………