Exploration of LNG cold energy utilization system for LNG-fueled fishing vessels

被引：0

作者：

Sun, Nannan ^{[1
]}

Tan, Hongbo ^{[1
]}

Zhang, Yang ^{[1
]}

Li, Yanzhong ^{[1
]}

机构：

[1] Department of Refrigerating and Cryogenics Engineering, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi

来源：

Huagong Xuebao/CIESC Journal | 2015年 / 66卷

基金：

中国国家自然科学基金;

关键词：

Cold energy recovery; Exergy; Fishing vessel; Liquefied natural gas; Refrigerated warehouse;

D O I：

10.11949/j.issn.0438-1157.20150697

中图分类号：

学科分类号：

摘要：

Liquefied natural gas(LNG) fueled fishing vessels have a wide horizon of development, in order to improve the LNG cold energy utilization efficiency of them, this paper compared the pros and cons of recycling LNG cold energy through refrigerated warehouse and power generation, and proposed a new LNG cold energy utilization system for LNG-fueled fishing vessels. The utilizing efficiency of cold energy and exergy in different Rankine cycle condensation temperature, evaporation temperature and secondary refrigerant outlet temperature were obtained in this paper. The results show that the utilizing efficiency of cold energy increases significantly when Rankine cycle condensation temperature decreases or evaporation temperature rises. As secondary refrigerant outlet temperature increases, the utilizing efficiency of cold energy increases slightly, but the flow rate of secondary refrigerant increases significantly. In this system, the maximum cold energy utilization efficiency and exergy utilizing efficiency can respectively reach 200.1% and 28.6%, improved significantly and energy-saving effect is remarkable. © All Right Reserved.

引用

页码：50 / 55

页数：5

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