摘要
在无水乙醇的提纯和浓缩流程中,蒸馏系统作为关键环节,其能源消耗较大,这对企业的运营成本及可持续发展构成了挑战。本文围绕无水乙醇生产过程中蒸馏系统的节能技术展开探讨,介绍了自回热精馏、间壁塔精馏和多塔差压蒸馏等技术的应用原理及效果,并重点阐述了多塔差压蒸馏技术在不同工艺路线中的应用和优势,以期为企业实现节能降耗、提升经济效益提供理论支持与实践指导。文章指出,企业根据原料来源和产品要求的不同,可以灵活选择和优化蒸馏工艺路线,实现能量的高效利用和节能降耗。最后,对无水乙醇蒸馏技术的未来发展进行了展望,特别是针对以工业尾气为原料的无水乙醇蒸馏技术的研发与优化。
The distillation system,as a crucial component in the purification and concentration of anhydrous ethanol,consumes a significant amount of energy,presenting a challenge to operational costs and sustainable development.This paper explores energy-saving technologies for the distillation system in anhydrous ethanol production,discussing the principles and effects of self-regenerative rectification,interwall column rectification,and multi-column differential pressure distillation.It emphasizes the application and benefits of multi-column differential pressure distillation technology in various process routes to offer theoretical support and practical guidance for achieving energy efficiency and economic benefits.The paper highlights the flexibility in selecting and optimizing the distillation process based on different raw material sources and product requirements to achieve efficient energy utilization.Lastly,it provides insights into future developments in anhydrous ethanol distillation technology,particularly focusing on the advancement and optimization of distillation technology using industrial tail gas as a raw material.
作者
张珊
王新刚
雷洁琼
李伟
李洁
ZHANG Shan;WANG Xingang;LEI Jieqiong;LI Wei;LI Jie(Tianjin Huaye Engineering Design Co.,LTD,Tianjin 300270)
出处
《天津化工》
2026年第1期124-128,共5页
Tianjin Chemical Industry
关键词
无水乙醇
蒸馏系统
节能降耗
多塔差压蒸馏
anhydrous ethanol
distillation system
energy saving and consumption reduction
multi-column differential pressure distillation
