双氧水法制水合肼中间体提纯的数值模拟

doi:10.11949/j.issn.0438-1157.20150899

化工学报 ›› 2015, Vol. 66 ›› Issue (9): 3535-3541.DOI: 10.11949/j.issn.0438-1157.20150899

双氧水法制水合肼中间体提纯的数值模拟

王伟文, 朱国健, 李建隆

青岛科技大学化工学院, 山东青岛 266042

收稿日期:2015-06-11 修回日期:2015-06-30 出版日期:2015-09-05 发布日期:2015-09-05
通讯作者: 李建隆
基金资助:
国家自然科学基金项目(21276132);青岛市民生计划项目(13-1-3-128-nsh)。

Numerical studies about intermediate purification of using hydrogen peroxide to produce hydrazine hydrate

WANG Weiwen, ZHU Guojian, LI Jianlong

School of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, Shandong, China

Received:2015-06-11 Revised:2015-06-30 Online:2015-09-05 Published:2015-09-05
Supported by:
supported by the National Natural Science Foundation of China (21276132) and Livelihood Project of Qingdao Foundation (13-1-3-128-nsh).

摘要/Abstract

摘要：

在双氧水法制水合肼的过程中,通过研究产物的分离工艺流程,采用隔壁塔完成杂质的采出。用Aspen Plus软件对组分的分离与提纯进行计算机模拟,同时考察进料位置、进料温度、回流比和塔压等因素对结果的影响,得到最佳工艺操作参数,为实际生产提供理论依据。从隔壁塔塔顶采出的杂质和丁酮的摩尔比为0.023<0.03,符合回收的标准。同时,优化后冷凝器的能耗节省了14.1%,再沸器的能耗节省了10.8%。隔壁塔的主塔理论板数为42块,副塔理论板数为14块,进料位置为副塔第13块板,回流比为7,操作压力为0.101 MPa。塔底分离出的丁酮连氮百分数为98.2%。

关键词: 丁酮连氮, 隔壁塔, Aspen Plus, 计算机模拟, 优化设计, 分离

Abstract:

In the process of using hydrogen peroxide to produce hydrazine hydrate, the impurity was separated by the dividing wall column after the study on separation. Aspen Plus was used to simulation the process of isolation and purification of the components. The effect of factors such as feed location, feed temperature, reflux ratio and tower pressure were studied. The best process operating parameters were obtained to provide theoretical basis for the technology. The molar ratio of impurities to butanone collected from the top of the column was 0.023<0.03, reaching the standard for recovery. After optimization, 14.1% and 10.8% of the energy consumption of condenser and reboiler was saved, respectively. The theoretical plate number of main tower and deputy tower was 42 and 14, respectively. The feed position was 13 boards and the reflux ratio was 7 under operation pressure of 0.101 MPa. The percentage of the methyl ethyl ketone azine from the bottom of the tower was 98.2%.

Key words: methyl ethyl ketone azine, dividing wall column, Aspen Plus, computer simulation, optimal design, separation

中图分类号:

TQ028

王伟文, 朱国健, 李建隆. 双氧水法制水合肼中间体提纯的数值模拟[J]. 化工学报, 2015, 66(9): 3535-3541.

WANG Weiwen, ZHU Guojian, LI Jianlong. Numerical studies about intermediate purification of using hydrogen peroxide to produce hydrazine hydrate[J]. CIESC Journal, 2015, 66(9): 3535-3541.

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双氧水法制水合肼中间体提纯的数值模拟

Numerical studies about intermediate purification of using hydrogen peroxide to produce hydrazine hydrate

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