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首页> 外文会议>Italian Conference on Chemical and Process Engineering(ICheaP-6) vol.2; 20030608-11; Pisa(IT) >Plantwide Control of a Fluid Catalytic Cracking Unit: Product Recovery Section
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Plantwide Control of a Fluid Catalytic Cracking Unit: Product Recovery Section

机译：催化裂化装置的全厂控制：产品回收部分

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摘要

The goal of plantwide control studies is to design a control system which can achieve the operating requirements of the complete plant optimal conditions. The problem focus the whole plant and not only single equipment. The size of plant-wide control problems are larger than that for individual units, making the solution much more difficult. The main problem is the presence of recycle streams, that provide interactions between different equipment. Disturbances that enter a process can propagate not only downstream from one unit operation to the next, but upstream through recycle loops. In this work, the product recovery section of a fluid catalytic unit was used to discuss the optimization and the control of large plants. This unit was chosen due to the presence of four recycle loops, what makes the study interesting and allows to verify the equipment coupling. The control system must be able to reject not only local disturbances at the unit level, but also at the plant level.
机译：全厂范围控制研究的目标是设计一种控制系统，该系统可以满足整个工厂最佳条件的运行要求。问题集中在整个工厂，而不仅仅是单个设备。全厂范围内的控制问题要比单个单元的问题大，这使得解决方案困难得多。主要问题是循环流的存在，该循环流在不同设备之间提供交互。进入过程的干扰不仅可以从一个单元操作的下游传播到下一单元操作，还可以通过循环循环传播到上游。在这项工作中，流体催化单元的产品回收部分用于讨论大型工厂的优化和控制。选择该装置的原因是存在四个循环回路，这使这项研究变得有趣，并可以验证设备的耦合。控制系统不仅必须能够抑制单元级别的局部干扰，还必须能够抑制工厂级别的局部干扰。

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