A novel process for small-scale pipeline natural gas liquefaction

被引：36

作者：

He, T. B. ^{[1
]}

Ju, Y. L. ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Inst Refrigerat & Cryogen, Shanghai 200240, Peoples R China

来源：

APPLIED ENERGY | 2014年 / 115卷

关键词：

Liquefaction process; Exergy utilization; Pipeline natural gas; Economic analysis; Process optimization; PRESSURE; SYSTEM; STATIONS; FUEL;

D O I：

10.1016/j.apenergy.2013.11.016

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A novel process for small-scale pipeline natural gas liquefaction is designed and presented. The novel process can utilize the pressure exergy of the pipeline to liquefy a part of natural gas without any energy consumption. The thermodynamic analysis including mass, energy balance and exergy analysis are adopted in this paper. The liquefaction rate and exergy utilization rate are chosen as the objective functions. Several key parameters are optimized to approach the maximum liquefaction rate and exergy utilization rate. The optimization results showed that the maximum liquefaction rate is 12.61% and the maximum exergy utilization rate is 0.1961. What is more, the economic performances of the process are also discussed and compared by using the maximum liquefaction rate and exergy utilization rate as indexes. In conclusion, the novel process is suitable for pressure exergy utilization due to its simplicity, zero energy consumption and short payback period. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：17 / 24

页数：8

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