{"title":"埃塞俄比亚水泥厂回转窑的能源审计和热回收:一个案例研究","authors":"B. G. Emyat","doi":"10.22161/IJAEMS.5.5.7","DOIUrl":null,"url":null,"abstract":"This study deals with the energy audit and heat recovery on the rotary kiln taking a cement factory in Ethiopia as a case study. The system is a dry type rotary kiln equipped with a five stage cyclone type preheater, pre-calciner and grate cooler. The kiln has a capacity of 2,000 tons/day. Mass and energy balance has been performed for energy auditing. The energy lost from the kiln shell is about 4.3 MW. By using secondary shell on the rotary kiln about 3.5MW could be recovered safely. This energy saving reduces fuel consumption (almost 9%) of the kiln system, and increases the overall system efficiency by approximately 2–3%.","PeriodicalId":424230,"journal":{"name":"International Journal of Advanced engineering, Management and Science","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Energy Audit and Heat Recovery on the Rotary Kiln of the Cement Plant in Ethiopia: A case study\",\"authors\":\"B. G. Emyat\",\"doi\":\"10.22161/IJAEMS.5.5.7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This study deals with the energy audit and heat recovery on the rotary kiln taking a cement factory in Ethiopia as a case study. The system is a dry type rotary kiln equipped with a five stage cyclone type preheater, pre-calciner and grate cooler. The kiln has a capacity of 2,000 tons/day. Mass and energy balance has been performed for energy auditing. The energy lost from the kiln shell is about 4.3 MW. By using secondary shell on the rotary kiln about 3.5MW could be recovered safely. This energy saving reduces fuel consumption (almost 9%) of the kiln system, and increases the overall system efficiency by approximately 2–3%.\",\"PeriodicalId\":424230,\"journal\":{\"name\":\"International Journal of Advanced engineering, Management and Science\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Advanced engineering, Management and Science\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.22161/IJAEMS.5.5.7\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Advanced engineering, Management and Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22161/IJAEMS.5.5.7","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Energy Audit and Heat Recovery on the Rotary Kiln of the Cement Plant in Ethiopia: A case study
This study deals with the energy audit and heat recovery on the rotary kiln taking a cement factory in Ethiopia as a case study. The system is a dry type rotary kiln equipped with a five stage cyclone type preheater, pre-calciner and grate cooler. The kiln has a capacity of 2,000 tons/day. Mass and energy balance has been performed for energy auditing. The energy lost from the kiln shell is about 4.3 MW. By using secondary shell on the rotary kiln about 3.5MW could be recovered safely. This energy saving reduces fuel consumption (almost 9%) of the kiln system, and increases the overall system efficiency by approximately 2–3%.
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