CFD modeling and thermodynamic analysis of a concept of a MILD-OXY combustion large scale pulverized coal boiler

Wojciech P. Adamczyk, Ryszard A. Bialecki, Mario Ditaranto, Pawel Gladysz, Nils Erland L. Haugen, Anna Katelbach-Wozniak, Adam Klimanek, Slawomir Sladek, Andrzej Szlek and Gabriel Wecel

Energy, 2017, vol. 140, issue P1, 1305-1315

Abstract: A concept of a large scale pulverized coal boiler working in the oxycombustion mode has been proposed. The combustion chamber has been designed using the Moderate and Intensive Low-oxygen Dilution (MILD) combustion technology. By screening CFD solutions of several geometric configurations the best one has been selected, for which the dependence of the oxygen excess ratio and recirculation rate of the flue gases analyzed onto the efficiency of the combustion chamber has been investigated. The results of the CFD simulations have been then embedded into a process model of the entire plant. The preliminary simulations show the possibility of efficiency increase of more than 3% points.

Keywords: Oxycombustion; MILD combustion; CFD model; Reduced oxygen demand; Reduced flue gas recycling ratio (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:140:y:2017:i:p1:p:1305-1315

DOI: 10.1016/j.energy.2017.03.130

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