Integration of Low-level Waste Heat Recovery and Liquefied Nature Gas Cold Energy Utilization

白菲菲; 张早校

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Integration of Low-level Waste Heat Recovery and Liquefied Nature Gas Cold Energy Utilization

Updated：2026-01-06

- Integration of Low-level Waste Heat Recovery and Liquefied Nature Gas Cold Energy Utilization
- Chinese Journal of Chemical Engineering Vol. 16, Issue 1, Pages: 95-99(2008)
- Affiliations：
  
  School of Energy and Power Engineering, Xi’an Jiaotong University,Xi’an,China,710049
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2008
- Accepted：
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BAI Feifei, ZHANG Zaoxiao. Integration of Low-level Waste Heat Recovery and Liquefied Nature Gas Cold Energy Utilization[J]. , 2008, 16(1): 95-99.
DOI：

BAI Feifei, ZHANG Zaoxiao. Integration of Low-level Waste Heat Recovery and Liquefied Nature Gas Cold Energy Utilization[J]. , 2008, 16(1): 95-99. DOI：

摘要

Abstract

Two novel thermal cycles based on Brayton cycle and Rankine cycle are proposed

respectively

which integrate the recovery of low-level waste heat and Liquefied Nature Gas (LNG) cold energy utilization for power generation. Cascade utilization of energy is realized in the two thermal cycles

where low-level waste heat

low-temperature exergy and pressure exergy of LNG are utilized efficiently through the system synthesis. The simulations are carried out using the commercial Aspen Plus 10.2

and the results are analyzed. Compared with the conventional Brayton cycle and Rankine cycle

the two novel cycles bring 60.94% and 60% in exergy efficiency

respectively and 53.08% and 52.31% in thermal efficiency

respectively.

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