Utilization of heat recovered from compressed gases in an oxy-combustion power unit to power the Organic Rankine Cycle module

• Autorzy: Kotowicz J. , Job M. , Bartela Ł. , Brzęczek M. , Skorek-Osikowska A.
• Języki publikacji: EN

Abstrakty

EN

Oxy-combustion technology is a zero-emission technology with great potential for commercial use in the near future. Application of this technology is linked with high energy losses in oxygen production and preparation of captured CO2 for transport to a storage place. In the analyzed oxy-combustion power plant with cryogenic air separation unit the compression of gases is responsible for most of the energy consumption. Compressed gases are sources of significant amounts of waste heat energy. Effective use of this energy is crucial to reducing the efficiency drop caused by additional installations. One method extensively examined in the literature for effective utilization of medium-grade and low-grade waste heat energy is the application of the Organic Rankine Cycle (ORC), which uses a low-boiling medium to produce additional electric power. The paper presents the results of analyses of the use of heat recovered from three sources identified in the oxy-combustion unit to power the ORC module. This includes heat from gases in the compression installations within the air separation unit, the CO2 processing unit and the CO2 compression installation. Thermodynamic and economic analyses were performed to assess the potential investment.

Słowa kluczowe

EN

oxy-combustion; gas compression; waste heat; heat recovery; Organic Rankine Cycle

PL

spalanie tlenowe; sprężanie gazu; ciepło odpadowe; odzyskiwanie ciepła; organiczny cykl Rankine'a

• Wydawca: Institute of Heat Engineering, Warsaw University of Technology
• Czasopismo: Journal of Power Technologies
• Rocznik: 2015
• Tom: Vol. 95, nr 4
• Strony: 239--249
• Opis fizyczny: Bibliogr. 27 poz., rys., tab., wykr.

Twórcy

autor

Kotowicz J.

• Institute of Power Engineering and Power Turbomachinery, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, Poland

autor

Job M.

• Institute of Power Engineering and Power Turbomachinery, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, Poland

autor

Bartela Ł.

• Institute of Power Engineering and Power Turbomachinery, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, Poland

autor

Brzęczek M.

• Institute of Power Engineering and Power Turbomachinery, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, Poland

autor

Skorek-Osikowska A.

• Institute of Power Engineering and Power Turbomachinery, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, Poland

Bibliografia

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