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Optimized Utilization of Liquefied Natural Gas (LNG) Cold Energy

[+] Author Affiliations
Hongyu Si, Ning Mei

Ocean University of China, Qingdao, Shandong, China

Xiaoyan Wang

Shandong Vocational College of Economics and Business, Weifang, Shandong, China

Paper No. IHTC14-22075, pp. 157-166; 10 pages
doi:10.1115/IHTC14-22075
From:
  • 2010 14th International Heat Transfer Conference
  • 2010 14th International Heat Transfer Conference, Volume 4
  • Washington, DC, USA, August 8–13, 2010
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4939-2 | eISBN: 978-0-7918-3879-2
  • Copyright © 2010 by ASME

abstract

There is possibility of the effective utilization of the cold energy in the process of LNG vaporization. The purpose of this paper is to propose a cascade utilization scheme to recycle LNG cold energy on the basis of comprehensively considering of thermophysical and actual factors. The optimized utilization scheme includes three cascade grades: separating the air with the deep-cool cold, the cold storage as the second grade, generating power as the last one. This scheme not only pays attention to the thermophysical rationality, but also considers of the fittingness between two cascade grades. This scheme overall considers the theoretic rationality and the actual feasibility. But basing on the principle of adaptation to local conditions, we should comprehensively consider all factors and the process ought to match the circumambient industry. This paper provides crucial references for optimized utilization of LNG cold energy.

Copyright © 2010 by ASME

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