This study investigates and compares the low-temperature waste heat recovery exchangers of glass melting furnaces using liquid natural gas (LNG), methanol and dimethyl ether (DME) as fuels. A glass melting furnace with a production of 1 t/year was used to combust the fuel with air, and the waste heat exchanger served to recover the heat from the flue gas at a low temperature to preheat the air. The net present value (NPV) and carbon dioxide (CO2) emissions acted as the evaluating parameters of the heat exchanger. The results showed that the methanol combustion programme yielded the maximum NPV and carbon dioxide emissions. The LNG combustion programme yielded the lowest values and the parameters in the DME combustion programme are always in the middle. Considering the income of the heat exchanger and carbon dioxide emissions, the glass melting furnace with DME as the fuel is the optimal programme.
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January 2024
Research Article|
July 19 2022
Comparison of waste heat recovery exchangers of furnace combusted with different fuels Available to Purchase
Xiaoling Cui;
Xiaoling Cui
Lecturer, School of Mechanical and Vehicle Engineering, Linyi University, Linyi, China
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Xiaoyu Chen;
Xiaoyu Chen
Doctoral candidate, Key Laboratory of National Education Ministry for Electromagnetic Process of Materials, Northeastern University, Shenyang, China (corresponding author: lrq9670017@163.com)
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Lin Qi;
Lin Qi
Professor, School of Mechanical and Vehicle Engineering, Linyi University, Linyi, China
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Song Xiao
Song Xiao
Associate Professor, School of Mechanical and Vehicle Engineering, Linyi University, Linyi, China
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Publisher: Emerald Publishing
Received:
June 10 2021
Accepted:
March 14 2022
Online ISSN: 1751-4231
Print ISSN: 1751-4223
Emerald Publishing Limited: All rights reserved
2022
Proceedings of the Institution of Civil Engineers - Energy (2024) 177 (1): 37–43.
Article history
Received:
June 10 2021
Accepted:
March 14 2022
Citation
Cui X, Chen X, Qi L, Xiao S (2024), "Comparison of waste heat recovery exchangers of furnace combusted with different fuels". Proceedings of the Institution of Civil Engineers - Energy, Vol. 177 No. 1 pp. 37–43, doi: https://doi.org/10.1680/jener.21.00082
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