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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) >Locating Utility Streams inside a Total Site Context
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Locating Utility Streams inside a Total Site Context

机译：在整个站点上下文中查找实用程序流

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摘要

Heat integration across plants, i.e., involving streams from different plants in a complex, involves many difficulties. However, even though complicated, on heat integration field, energy savings can be accomplished either by integrating the streams of the single process or by integrating two or more plants. This is the so-called "Total Site" concept, that describes a set of processes serviced by and linked through a central utility system. Much has been said about the usefulness of using an existing utility system, once in multi purpose sites, there are, in general, different types of utilities for cooling and heating the process streams. From this variety, the most used one, for heating purposes, is the vapor. It has also the additional facility of being present at different pressure levels inside the side, enlarging the set of options to the integration of systems. Having the selection of the utility to be used been solved, the problem remains on the location of the plants that will serve as the source and sink of the problem and defining the inlet and outlet positions of the utility streams coming from the central system, their inlet and outlet temperatures and their next position inside the network. This location is very much important, in order to accomplish maximum energy savings, as well as maintaining security standards and checking out then- feasibility. Though, it is very much important the previous knowledge of the engineering staff over the process streams. The present work proposes a methodology to locate utility streams based on the Grand Composite Curves coupled with the staff knowledge over the process reaching a maximum saving setting.
机译：跨工厂的热集成，即涉及来自复杂工厂中不同工厂的物流，涉及许多困难。但是，即使很复杂，在热集成领域，也可以通过集成单个过程的流或集成两个或多个工厂来实现节能。这就是所谓的“总站点”概念，它描述了由中央公用事业系统提供服务并通过其链接的一组过程。关于使用现有公用事业系统的有用性的说法很多，一旦在多用途站点中，通常会有用于冷却和加热工艺流的多种公用事业。从该品种中，用于加热目的最常用的是蒸气。它还具有在侧面内部处于不同压力水平的附加功能，从而扩大了系统集成的选项集。解决了要使用的公用事业的选择问题之后，问题仍然存在于将作为问题源和宿的工厂位置，并定义了来自中央系统的公用事业流的入口和出口位置，入口和出口温度及其在网络中的下一个位置。该位置非常重要，以实现最大程度的节能，以及保持安全标准并检查可行性。但是，非常重要的一点是工程人员对流程的了解。本工作提出了一种方法，可根据大综合曲线以及员工在达到最大节省设置的过程中所掌握的知识来确定公用设施流。

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