Recovery of excess cold energy from low-temperature hydrogen based on ASPEN PLUS two-stage Organic Rankine Cycling technology

Cheng Chen; Shi Jianjun; Zu Runyin; Meng Wangbin; Ji Ke

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Recovery of excess cold energy from low-temperature hydrogen based on ASPEN PLUS two-stage Organic Rankine Cycling technology

Cheng Chen 1,Shi Jianjun 2 *,Zu Runyin 2,Meng Wangbin 2,Ji Ke 2

1.Southern District, School of Chemistry and Chemical Engineering, Huangshan University, Huangshan City, Anhui Province;Southern District, School of Chemistry and Chemical Engineering, Huangshan University, Huangshan City, Anhui Province;Southern District, School of Chemistry and Chemical Engineering, Huangshan University, Huangshan City, Anhui Province;Southern District, School of Chemistry and Chemical Engineering, Huangshan University, Huangshan City, Anhui Province;Southern District, School of Chemistry and Chemical Engineering, Huangshan University, Huangshan City, Anhui Province

*Correspondence author

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Funding: none

Opened online:14 September 2020

Accepted by: none

Citation: Cheng Chen,Shi Jianjun,Zu Runyin.Recovery of excess cold energy from low-temperature hydrogen based on ASPEN PLUS two-stage Organic Rankine Cycling technology[OL]. [14 September 2020] http://en.paper.edu.cn/en_releasepaper/content/4752771

Energy has always been an eternal topic of human development. Hydrogen energy has unparalleled advantages such as large reserves, high heating value, and zero pollution. It can well solve the urgent problems of human society\'s energy shortage and environmental pollution. The propylene separated from carbon pentanes in the chemical plant of this project is selected as the working fluid of the organic Rankine cycle, and the process model established by ASPE PLUS software simulates and optimizes the problem of low-temperature hydrogen recovery in the chemical plant. In this project, 4 heat exchangers, 2 pumps, and 2 steam turbines are used to exchange cold and heat energy with the river near the plant to recover the cold energy of hydrogen, and generate 14.48kW of electricity to drive the generator to rotate. It has guiding significance for the recovery of low temperature cold source and process optimization in chemical plants.

Keywords:Chemical engineering; ASPEN PLUS; two-stage Organic Rankine Cycle; cold energy recovery; process simulation

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