摘要
过程强化技术是一种通过减少体积、提高效率和降低成本来优化化工过程的方法。精馏是化工核心分离单元,高能耗制约其发展,化工过程强化技术是关键解法。文章基于热力学原理解析精馏过程高能耗的根源,系统探讨超重力、MVR热泵、隔壁精馏及精馏-膜法耦合四类典型强化技术在精馏中的应用机制,从不可逆损失控制与能量利用效率提升角度剖析其节能本质,并量化分析各类技术的节能效果规律。研究表明强化技术经三大路径可降不可逆损失,提高节能率,MVR热泵精馏节能效果最优。文章为精馏节能升级提供理论支撑,助力化工低碳发展。
Process intensification technology is a method of optimizing chemical processes by reducing volume,improving efficiency,and reducing costs.Distillation is the core separation unit in chemical engineering,and its development is constrained by high energy consumption.Chemical process intensification technology is the key solution.The article analyzes the root cause of high energy consumption in the distillation process based on thermodynamic principles,systematically explores the application mechanisms of four typical strengthening technologies in distillation:supergravity,MVR heat pump,adjacent distillation,and distillation membrane coupling.It analyzes the energy-saving essence from the perspective of irreversible loss control and energy utilization efficiency improvement,and quantitatively analyzes the energy-saving effect laws of various technologies.Research has shown that strengthening technology can reduce irreversible losses and improve energy efficiency through three major paths,with MVR heat pump distillation having the best energy-saving effect.The article provides theoretical support for the energy-saving upgrade of distillation and helps promote the low-carbon development of chemical industry.
作者
刘新丛
LIU Xincong(Hebei Kefang Metallurgy Safety Evaluation Co.,Ltd.,Shijiazhuang,Hebei,050000,China)
出处
《智能城市应用》
2025年第11期115-118,共4页
Smart City Application
关键词
化工过程强化技术
精馏分离工艺
节能本质
chemical process strengthening technology
distillation separation process
the essence of energy-saving
