期刊
ATI 2018 - 73RD CONFERENCE OF THE ITALIAN THERMAL MACHINES ENGINEERING ASSOCIATION
卷 148, 期 -, 页码 599-606出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2018.08.147
关键词
Glass furnace; Heat balance; Oxygen transport membrane; Energy saving; Economic analysis
资金
- RSE S.p.A.
- Ministry of Economic Development - Management for nuclear, renewable energies and energy efficiency
- Ministerial Decree
Glass manufacturing is an energy-intensive process where the bulk of energy, necessary to maintain high temperatures for glass melting, usually comes from natural gas combustion. A solution for energy saving is an oxy-fuel glass furnace. This paper investigates the possible application of a membrane based oxygen separation module in glass melting furnaces. The mass and energy balances of two oxy-fuel glass furnaces have been reproduced and compared to an air-blown unit assumed as benchmark. The two oxy-fuel cases differ for the technology adopted to supply oxygen: in the first case, it is delivered by a PSA/VSA unit, whereas in the second case, oxygen is separated from a hot air stream in a membrane module integrated in a micro-gas turbine system. The assessment of the primary fuel demand of the three options highlights the superiority of the oxyfuel glass furnace with the advanced membrane-based technology. The economic assessment, included to highlight the potential of the proposed application, outlines further advantages. (C) 2018 The Authors. Published by Elsevier Ltd.
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