Pressure Control Method in MicroPositive Pressure Distillation

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Abstract Nitrogen charging system was discussed as a control method for distillation pressure control. It is consisted of three parts, constant pressure, positive pressure and negative pressure parts, where constant pressure part is connected to the top of distillation column. Experimental results showed that the new method was more prompt and reliable. The feasibility, sensitivity and reliability of the nitrogen charging control system were verified through experiments, also application of this control method to distillation micropositive pressure control was carried out in experiments, and results showed that nitrogen charging control method was more sensitive and stable.

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	Articles by authors
	YIN Kun
	JIANG Jian-Lan
	BAI Peng
	HUANG Li-Li
	YU Yang
	YANG Jie

Keywords： micropositive pressure pressure control distillation

Received 2011-10-20;

Corresponding Authors: 白鹏 Email: bp2008@eyou.com

About author: 尹琨（1986-），男，河北沧州人，硕士研究生，研究方向为化工产品分离及过程模拟。

Cite this article:

YIN Kun, JIANG Jian-Lan, BAI Peng, HUANG Li-Li, YU Yang, YANG Jie.Pressure Control Method in MicroPositive Pressure Distillation[J] Chemcial Industry and Engineering, 2012,V29(2): 70-73

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