粗乙二醇精制回收装置系统技术改造分析  

Analysis on technical transformation of crude ethylene glycol refining and recovery unit system

作　　者：朱云飞 薛莉 谷云松 李超 薛晶 Zhu Yunfei;Xue Li;Gu Yunsong;Li Chao;Xue Jing(Ordos Xinrun Energy Co.,Ltd.,Ordos Inner Mongolia 017419,China)

机构地区：[1]鄂尔多斯市鑫润能源有限公司,内蒙古鄂尔多斯017419

出　　处：《煤化工》2024年第6期1-4,共4页Coal Chemical Industry

摘　　要：乙二醇与1,2-丁二醇的沸点接近,二者混合物存在共沸现象。介绍了一种将乙二醇和1,2-丁二醇进行分离的工艺技术及该技术在鑫润公司的应用和完善改造情况。粗乙二醇精制回收装置建成投用并逐步完善改造后,鑫润公司乙二醇产品优等品率由投用前的88.33%升至97.22%,年创造净利润3913.48万元。The boiling point of 1,2-butanediol is close to that of ethylene glycol and their mixture has an azeotropic phenomenon.A process technology of separating ethylene glycol and 1,2-butanediol was introduced,and its application and further improvement in Ordos Xinrun Energy Co.,Ltd.were described.After the crude ethylene glycol refining and recovery unit was completed,put into use and gradually improved,the high-grade product rate of ethylene glycol of Xinrun Energy increased from 88.33%before to 97.22%,creating an annual net profit of 39134800 yuan.

关 键 词：乙二醇 1 2-丁二醇 脱丁二醇塔 共沸物 优等品率 

分 类 号：TQ223.162[化学工程—有机化工]