The Use of CFD for the Design and Development of Innovative Configurations in Regenerative Glass Production Furnaces

Carlo Cravero and Davide De Domenico
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Carlo Cravero: Department of Mechanical Engineering, DIME, Università di Genova, 16145 Genova, Italy
Davide De Domenico: Department of Mechanical Engineering, DIME, Università di Genova, 16145 Genova, Italy

Energies, 2019, vol. 12, issue 13, 1-17

Abstract: The limitation of nitrogen oxides emissions is nowadays a challenge in several engineering fields. Recent European regulations have reduced the maximum NO x emissions and therefore forced the glass production sector to develop emission reduction strategies. Two different systems have been developed within the framework of the European LIFE project and are currently applied to glass regenerative furnaces: the Waste Gas Recirculation (WGR) and the Hybrid Air Staging (HyAS). The above systems are primary NO x reduction strategies because they both operate to control the combustion evolution. Both WGR and HyAS systems have been conceived with the extensive use of Computational Fluid Dynamics (CFD) models: design strategies for both systems have been developed based on the use of CFD and are currently under use by glass furnace designers. In the present work, the CFD procedures routinely used for the design of the above systems are described. The systems effectiveness, due to the harsh conditions in the industrial installation, can be tested with oxygen concentration measurements inside the regenerators. The oxygen concentration is correlated to the flame evolution and therefore to the nitrogen oxides formation. For the above reason, the models have been validated with experimental data from pilot furnaces using measured values of O 2 mole fraction. The CFD procedures are described in the paper together with their application to different configurations.

Keywords: CFD; NO x reduction; glass production plants; thermal regenerator (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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