{"title":"不同燃料燃烧炉余热回收换热器的比较","authors":"Xiaoling Cui, Xiaoyu Chen, Lin Qi, S. Xiao","doi":"10.1680/jener.21.00082","DOIUrl":null,"url":null,"abstract":"This work compares the low-temperature waste heat recovery exchangers of glass melting furnaces using liquid natural gas (LNG), methanol, and dimethyl ether (DME) as the fuel has been investigated. A glass melting furnace with 1t/year was used to combust the fuel with air, and the waste heat exchanger was served to recover the heat from the flue gas at a low temperature to preheat the air. The net present value (NPV) and CO2 emission acted as the evaluating parameter of the heat exchangers. The results showed that the methanol combustion program gave the maximum NPV and CO2 emission. The LNG combustion program gave the least ones, and the parameters in the DME combustion program are always in the middle. Considering the income of the heat exchanger and CO2 emission, the glass melting furnace with DME being the fuel is the most optimal program.","PeriodicalId":48776,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Energy","volume":"72 1","pages":""},"PeriodicalIF":1.0000,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Comparison of waste heat recovery exchangers of furnace combusted with different fuels\",\"authors\":\"Xiaoling Cui, Xiaoyu Chen, Lin Qi, S. Xiao\",\"doi\":\"10.1680/jener.21.00082\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This work compares the low-temperature waste heat recovery exchangers of glass melting furnaces using liquid natural gas (LNG), methanol, and dimethyl ether (DME) as the fuel has been investigated. A glass melting furnace with 1t/year was used to combust the fuel with air, and the waste heat exchanger was served to recover the heat from the flue gas at a low temperature to preheat the air. The net present value (NPV) and CO2 emission acted as the evaluating parameter of the heat exchangers. The results showed that the methanol combustion program gave the maximum NPV and CO2 emission. The LNG combustion program gave the least ones, and the parameters in the DME combustion program are always in the middle. Considering the income of the heat exchanger and CO2 emission, the glass melting furnace with DME being the fuel is the most optimal program.\",\"PeriodicalId\":48776,\"journal\":{\"name\":\"Proceedings of the Institution of Civil Engineers-Energy\",\"volume\":\"72 1\",\"pages\":\"\"},\"PeriodicalIF\":1.0000,\"publicationDate\":\"2022-05-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Institution of Civil Engineers-Energy\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.1680/jener.21.00082\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"ENERGY & FUELS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Institution of Civil Engineers-Energy","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1680/jener.21.00082","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
Comparison of waste heat recovery exchangers of furnace combusted with different fuels
This work compares the low-temperature waste heat recovery exchangers of glass melting furnaces using liquid natural gas (LNG), methanol, and dimethyl ether (DME) as the fuel has been investigated. A glass melting furnace with 1t/year was used to combust the fuel with air, and the waste heat exchanger was served to recover the heat from the flue gas at a low temperature to preheat the air. The net present value (NPV) and CO2 emission acted as the evaluating parameter of the heat exchangers. The results showed that the methanol combustion program gave the maximum NPV and CO2 emission. The LNG combustion program gave the least ones, and the parameters in the DME combustion program are always in the middle. Considering the income of the heat exchanger and CO2 emission, the glass melting furnace with DME being the fuel is the most optimal program.
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Energy addresses the challenges of energy engineering in the 21st century. The journal publishes groundbreaking papers on energy provision by leading figures in industry and academia and provides a unique forum for discussion on everything from underground coal gasification to the practical implications of biofuels. The journal is a key resource for engineers and researchers working to meet the challenges of energy engineering. Topics addressed include: development of sustainable energy policy, energy efficiency in buildings, infrastructure and transport systems, renewable energy sources, operation and decommissioning of projects, and energy conservation.
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