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Application of process decomposition in multi-stream plate fin heat exchangers design to use in heat recovery networks

机译：过程分解在热回收网络中设计的多流板翅式换热器中的应用

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摘要

Application of multi-stream heat exchangers in heat recovery networks has a lot of advantages as low initial and operation costs,high thermal performance,low volume and weight.However,the main question arises encountering a real problem is:How many multi-stream plate fin heat exchangers are required for a specific process unit?Current work presents the financial drawbacks and thermal malfunction of the exchanger that may be appeared as a consequence of using a single heat exchanger in the process units consisted of several gaseous and liquid streams.Based on the design method,process limitations and physical properties,a new method of process decomposition will be introduced.In order to minimize the financial drawbacks due to increase of external utilities as a consequence of stream zoning,new stream zonal transfer will be presented.The applicability of the method is demonstrated on a case study.
机译：多流换热器在热回收网络中的应用具有许多优点，如初始和运行成本低，热性能高，体积小，重量轻。然而，遇到一个主要问题是遇到了一个实际问题：多少个多流板特定过程单元需要翅片式热交换器吗？当前的工作存在热交换器的财务缺陷和热故障，这可能是由于在由多个气流和液体流组成的处理单元中使用单个热交换器而导致的。设计方法，工艺局限性和物理性质，将介绍一种新的工艺分解方法。为了最大程度地减少由于物流分区而增加的外部公用设施所带来的财务缺陷，将提出新的物流分区转移方法。案例研究证明了该方法的有效性。

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