A LNG Driven CCHP System with a Cold Energy Recovery Device

Abstract:

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The CCHP system based on energy cascade utilization can get very high energy overall utilization efficiency. When LNG is used as the primary energy of a CCHP system, the higher efficiency can be obtained if the cold energy of LNG is recovered. Three CCHP systems integrated with LNG cold recovery facility are presented which are suitable for different situations. The thermodynamic calculation and analysis of the system consisting of combined cycle generating electricity, the LiBr absorption refrigeration units, the cryogenic Rankine cycle generation system and the cooling medium system were carried out. The results showed that the energy utility efficiency of the electricity generating was 34.78% and the total energy utility efficiency was up to 86.49%. This indicates that this technology have the potential to be employed in the industrial applications.

Info:

Periodical:

Edited by:

Dongye Sun, Wen-Pei Sung and Ran Chen

Pages:

1769-1775

DOI:

10.4028/www.scientific.net/AMM.71-78.1769

Citation:

H. Sun et al., "A LNG Driven CCHP System with a Cold Energy Recovery Device", Applied Mechanics and Materials, Vols. 71-78, pp. 1769-1775, 2011

Online since:

July 2011

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$35.00

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