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首页> 外文期刊>Applied thermal engineering: Design, processes, equipment, economics >A novel energy efficient LNG/NGL recovery process using absorption and mixed refrigerant refrigeration cycles - Economic and exergy analyses
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A novel energy efficient LNG/NGL recovery process using absorption and mixed refrigerant refrigeration cycles - Economic and exergy analyses

机译：一种新的节能LNG / NGL回收过程，使用吸收和混合制冷剂制冷循环 - 经济和漏洞分析

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摘要

A novel integrated process comprising natural gas liquids recovery along with natural gas liquefaction is investigated. Processes integration and design at the same time can reduce the number of required equipment and energy consumption in the units. Utilizing absorption refrigeration system in lieu of precooling stage of mixed fluid cascade refrigeration system in an energy efficient LNG-NGL recovery process with the main aim of reduction in required energy is investigated. High amount of energy consumption in these units is reduced due to the removal of a stage of the compression system, while the possibility of using waste thermal energy can be provided using absorption refrigeration system. The results of exergy analysis illustrate that the highest amount of exergy destruction is occurred in the air coolers before and after installation of the absorption refrigeration cycle at a rate of 56.21% and 42.72%, respectively. Sensitivity analysis has been carried out for economic parameters with respect to the utilities price as well as effect of products price on the market with respect to the presented structures. (C) 2017 Elsevier Ltd. All rights reserved.
机译：研究了包括天然气液体恢复以及天然气液化的新型综合方法。处理集成和设计同时可以减少所需设备的数量和单位的能耗。利用吸收制冷系统代替混合流体级联制冷系统的预冷阶段，在节能LNG-NGL回收过程中，研究了所需能量的主要目的。由于去除压缩系统的阶段，这些单元中的高能量消耗量减少，而使用吸收制冷系统可以提供使用废热能的可能性。漏洞分析的结果说明，在空气冷却器之前和之后分别以56.21％和42.72％的速率在安装吸收制冷循环之前和之后，在空气冷却器中发生最高的漏洞破坏。对公用事业价格的经济参数以及产品价格对所提出的结构的影响进行了敏感性分析。 （c）2017 Elsevier Ltd.保留所有权利。

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