中文摘要：传统的丁基丙二酸二乙酯工业化生产主要是由丙二酸二乙酯和氯代正丁烷，乙醇钠为碱来反应生成丁基丙二酸二乙酯，产率较低，污染也比较严重。现我们采用成熟相转移催化法来合成丁基丙二酸二乙酯法来应用于工业生产中去，此工业生产方法产率较高，且污染也较少。本设计主要针对分离中的精馏工序进行工艺设计，分离丙二酸二乙酯、丁基丙二酸二乙酯二元体系。精馏塔采用筛孔塔，塔底采用水蒸气蒸汽加热，以提供足够的热量。通过计算得出理论板数，塔效率，实际板数，进料位置，在板式塔主要工艺尺寸的设计计算中得出塔径，有效塔高，筛孔数。通过筛板的流体力学验算，证明各指标数据均符合标准。以保证精馏过程的顺利进行并使效率尽可能的提高。9494
关键字：丁基丙二酸二乙酯；分离；精馏
The Distillation Column Design of the Production n-butyl-malonate by the 1-Chlorobutane
abstract:Diethyl n-butyl-malonate conventional industrial production is dominated by sodium eth-oxide and diethyl malonate to the reaction diethyl n-butyl-malonate,.It has low yield, serious pollution. Now we use the phase transfer catalysis to synthesize diethyl n-butyl-malonate method used in industrial production to industrial production. This method has higher yield and less pollution. The design of the main processes for the separation of the distillation process design, separation of diethyl malonate, butyl malonate binary system.Design of distillation towers used valve. Bottom of the column of steam heating by steam to provide sufficient heat. Obtained by calculating the number of theoretical plates, tower efficiency, the actual plate number, feed location. The main tower in the plate design and calculation of process dimensions derived column diameter, the effective tower, sieve number. Checking through the sieve of fluid mechanics, to prove that the indicator data are in line with standards to ensure the smooth progress of distillation process and to improve efficiency as much as possible.
keywords：diethyl n-butyl-malonate,;separate；distillation
目 录
1 绪论 1
1.1概述 1
2 精馏塔的工艺计算 8
2.1精馏塔的物料衡算[13] 8
2.1.1基础数据 8
2.1.2物料衡算 8
2.3精馏塔设备计算 11
2.3.1基础数据 11
2.3.2塔板数的确定[15] 14
2.3.3精馏塔主要尺寸计算[14] 16
2.3.4塔板结构设计 18
2.3.5 塔板布置 20
3 塔板流体力学验算 24
3.1 塔板流体力学验算 24
3.2塔板负荷性能图 27
3.2.1漏液线 27
3.2.2液沫夹带线 28
3.2.3液相负荷下限线 29
精馏段： 29
3.2.4液相上限线 30
3.2.5液泛线 30
3.3塔高的计算 33
4主要设备设计和选型 36
4.1接管的设计 36
4.1.1进料管 36
4.1.2釜液出口管 36
4.1.3塔顶蒸汽管 36
4.1.4加热蒸汽管 37
5 结论 38
参考文献 39
附录 40
谢 辞 42
1 绪 论
1.1概述
1.1.1国内外的研究现状
1.1.2丙二酸二乙酯的性质
丙二酸二乙酯(简称DEM)又称胡萝卜酸乙酯，其分子式为CH2(COOC2H5)2，分子量为160.17，结构式如下：
（1-1） 由氯代正丁烷生产丁基丙二酸二甲酯的精馏塔设计:http://www.youerw.com/huaxue/lunwen_8235.html