System approach to the analysis of an integrated oxy-fuel combustion power plant

• Autorzy: Ziębik A. , Gładysz P.
• Języki publikacji: EN

Abstrakty

EN

Oxy-fuel combustion (OFC) belongs to one of the three commonly known clean coal technologies for power generation sector and other industry sectors responsible for CO₂ emissions (e.g., steel or cement production). The OFC capture technology is based on using high-purity oxygen in the combustion process instead of atmospheric air. Therefore flue gases have a high concentration of CO₂ - Due to the limited adiabatic temperature of combustion some part of CO₂ must be recycled to the boiler in order to maintain a proper flame temperature. An integrated oxy-fuel combustion power plant constitutes a system consisting of the following technological modules: boiler, steam cycle, air separation unit, cooling water and water treatment system, flue gas quality control system and CO₂ processing unit. Due to the interconnections between technological modules, energy, exergy and ecological analyses require a system approach. The paper present the system approach based on the 'input-output' method to the analysis of the: direct energy and material consumption, cumulative energy and exergy consumption, system (local and cumulative) exergy losses, and thermoecological cost. Other measures like cumulative degree of perfection or index of sustainable development are also proposed. The paper presents a complex example of the system analysis (from direct energy consumption to thermoecological cost) of an advanced integrated OFC power plant.

Słowa kluczowe

EN

system approach; input-output analysis; oxy-fuel combustion; cumulative energy; exergy consumption; system exergy losses; thermoecological cost

PL

zarządzanie jakością; analiza wejścia-wyjścia; spalanie w tlenie; energia skumulowana; zużycie egzergii; straty egzergii; koszt termoekologiczny

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2014
• Tom: Vol. 35, no. 3
• Strony: 39--57
• Opis fizyczny: Bibliogr. 30 poz., il.

Twórcy

autor

Ziębik A.

• Silesian University of Technology, Institute of Thermal Technology, Konarskiego 22, 44-100 Gliwice, Poland

autor

Gładysz P.

• Silesian University of Technology, Institute of Thermal Technology, Konarskiego 22, 44-100 Gliwice, Poland

Bibliografia

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Uwagi

EN

This scientific work was supported by the National Centre for Research and Development, within the confines of Research and Development Strategic Program “Advanced Technologies for Energy Generation” project no. 2 ‘Oxy-combustion technology for PC and FBC boilers with CO2 capture’. Agreement No. SP/E/2/66420/10. The support is gratefully acknowledged.