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Optimization of energy consumption and offering a procedure for cooling gas compression facilities at gas compression stations

机译：优化能源消耗并为气体压缩站的气体压缩设备冷却提供程序

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One of the most important methods of transporting natural gas in Iran and other parts of the world is the utilization of a network of pipelines. Compression station and turbo compressor units play an important role in gas supply through pipelines. One of the primary concerns in these units is the reduction of fuel consumption. By cooling of exhaust gas from the source station, the pressure drop in the pipeline and fuel consumption can be reduced. In this research, two stations were investigated while ASPEN HYSYS software was used to evaluate the effect of various parameters on pipeline pressure and power compressors. Based on the results of the simulation, the cooling gas at a higher flow was more economical. Moreover, with reducing ambient temperature, there was a decrease in power consumption, which was required for electro fans. Thus, higher rates and lower temperatures of the environment resulted in more profit from cooling operations. Although highest economic efficiency was obtained at the highest flow rate (60 MMSCMD) with cooling at 25℃ and lowest ambient temperature of -8℃, but the conditions for hydrate formation in the pipeline became suitable and these conditions could affect the safety of process. In this study, and taking cognizance of the the limitations of hydrate formation and economic conditions, the cooling operational guidelines for use in Qazvin station are provided.
机译：在伊朗和世界其他地区，运输天然气的最重要方法之一是利用管道网络。压缩站和涡轮压缩机组在通过管道供气中起着重要作用。这些单元的主要关注之一是减少燃料消耗。通过冷却来自源站的废气，可以减少管道中的压降和燃油消耗。在这项研究中，调查了两个站点，同时使用ASPEN HYSYS软件评估了各种参数对管道压力和功率压缩机的影响。根据模拟结果，较高流量的冷却气体更为经济。此外，随着环境温度的降低，电风扇所需的功耗也降低了。因此，较高的速率和较低的环境温度导致制冷操作带来更多收益。尽管在25℃的冷却和-8℃的最低环境温度下以最高流量（60 MMSCMD）获得了最高的经济效率，但是管道中水合物形成的条件变得合适，这些条件会影响工艺的安全性。在这项研究中，并认识到水合物形成的局限性和经济条件，提供了在Qazvin站使用的冷却操作指南。

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