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首页> 外文会议>International Conference on Greenhouse Gas Control Technologies >Applicability and validation of use of equilibrium-based absorber models with reduced stage efficiency for dynamic simulation of post-combustion CO2 capture processes
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Applicability and validation of use of equilibrium-based absorber models with reduced stage efficiency for dynamic simulation of post-combustion CO2 capture processes

机译：稳压效率降低阶段效率模拟阶段效率的适用性与验证，燃烧后CO2捕获过程

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摘要

Use of complex rate-based models for absorbers in a post-combustion CO2 capture process may lead to high computational complexity and simulation time. Method using reduced stage efficiency in equilibrium-based model for such columns may provide acceptable range of accuracy with comparatively, much less simulation time and thereby enabling them to be used simultaneously with dynamic models of power plants. This paper discusses the applicability of such method and presents the validation of use of such methods using two pilot plant data at both steady state and transient operation. Steady state plant data were used to determine the reduced stage efficiencies for the pilot plants. The dynamic models with those stage efficiencies were simulated to predict both the steady state operation and transient operation under step change in solvent flow rate scenario with nominal deviations in a range of 3-6% in the simulation results with simulation time 35 times higher than the real-time. This is an open access article under the CC BY-NC-ND license
机译：在燃烧后CO2捕获过程中使用基于复杂的基于速率的型号的吸收器可能导致高计算复杂性和仿真时间。使用降低阶段效率的方法，用于这种列的平衡模型可以提供可接受的精度范围，相对较低，模拟时间较少，从而使它们能够与动态电厂的动态模型同时使用。本文讨论了这种方法的适用性，并在稳态和瞬态操作中使用两个试验工厂数据使用这些方法的使用验证。使用稳态植物数据来确定导频植物的阶段效率降低。模拟具有那些阶段效率的动态模型，以预测溶剂流量场景的阶梯变化的稳态操作和瞬态操作，标称偏差在模拟结果中的3-6％的范围内，模拟时间比高于35倍。即时的。这是CC By-NC-ND许可证下的开放式访问文章

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