Experimentally economic analysis of ORC power plant with low-temperature waste heat recovery | Zendy

Lei Li | Zendy; Leren Tao | Zendy; Qingpu Li | Zendy; Yongpan Hu | Zendy

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Experimentally economic analysis of ORC power plant with low-temperature waste heat recovery

Author(s) -

Lei Li,

Leren Tao,

Qingpu Li,

Yongpan Hu

Publication year - 2020

Publication title -

international journal of low-carbon technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.458

H-Index - 26

eISSN - 1748-1325

pISSN - 1748-1317

DOI - 10.1093/ijlct/ctaa032

Subject(s) - organic rankine cycle , waste heat recovery unit , waste heat , waste management , power station , superheater , air preheater , environmental science , electricity generation , economic analysis , heat recovery ventilation , process engineering , engineering , heat exchanger , boiler (water heating) , power (physics) , economics , mechanical engineering , electrical engineering , agricultural economics , thermodynamics , physics

Due to the low boiling point of organic fluids, the organic Rankine cycle (ORC) is an effective way to improve the recovery efficiency of low-temperature waste heat. An ORC power plant was established with an actual generating capacity of 16.3 kW. As the ORC technology is in the initial stage of commercial application, a technical and economic analysis has been conducted in this paper. Through analysis of each part investment of the power generation plant, it is found that the ORC system part accounts for 61% of the total initial investment, and the larger the power generation scale, the larger the proportion. An economic model has been proposed to study the economic feasibility of low-temperature industrial waste heat conversion in this plant. The influences of the installation of cooling water system, preheater, superheater, loan ratio, interest rate on electricity production cost (EPC) and profit are analyzed. According to the analysis, the lowest EPC of the plant is 0.46 Yuan/(kW • h).

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