变压吸附技术的模拟、优化与控制研究进展

Review on Simulation, Optimization and Control of Pressure Swing Adsorption

变压吸附作为一种有效的气体分离与净化技术,具有工艺装置操作灵活、自动化程度高、过程能耗低等优点,随着技术研究的深入及计算机计算性能的提高,变压吸附工艺在数值模拟、优化及控制等方面都取得了一些进展。论文总结了变压吸附工艺模拟软件的特点及用途,介绍了变压吸附流程数学模型的发展现状,概述了变压吸附工艺优化的研究进展,并分析了工艺存在外界扰动和参数波动时,引入控制的必要性。最后对变压吸附技术的发展前景进行了展望,装置规模的大型化及应用领域的拓展是变压吸附工艺发展的必然趋势。

Pressure swing adsorption(PSA) is an effective gas separation and purification technology which has advantages of flexible operation, high auto-control degree and low consumption and investment. PSA study shows great development in mathematical model, optimization and control with the development of technique and computer performance. This review briefly summarizes the characteristics and application of different PSA processing software. The development of PSA mathematical models and process optimization are discussed. Control with external disturbance and parameter fluctuation is also reviewed. Finally, the perspective of PSA is prospected which emphasizes scale enlargement and application expansion trends of PSA technology.