Thermal Energy Optimization For Cement Process Using Pinch Point Analysis
| dc.contributor.advisor | Lemma, Dendena (PhD) | |
| dc.contributor.author | Bedilu, Belay | |
| dc.date.accessioned | 2020-11-26T08:30:19Z | |
| dc.date.accessioned | 2023-11-10T14:54:36Z | |
| dc.date.available | 2020-11-26T08:30:19Z | |
| dc.date.available | 2023-11-10T14:54:36Z | |
| dc.date.issued | 2020-06 | |
| dc.description.abstract | Cement factory require large amounts of energy that needs a good attention to optimize its energy usage. This project analyses the thermal energy optimization of the cement manufacturing processes for a selected cement plant called Ethio Cement PLC (ECPLC) which is found to nearby Chancho city, Ethiopia. The cement industry is one of the biggest consumers of carboncontaining primary energy sources and one among the first polluters of the environment, emitting approximately 5% of world pollution. Energy consumption in ECPLC represents the most important part of the assembly cost for cement factories and contains a significant influence on product prices. Given that it's realized in modern society that infrastructural projects result in the next level of economy and sustainability for countries, reducing the assembly cost within the cement industry could be a vital problem. I analysed the energy consumption of ECPLC to see the minimum energy targets of production and proposed pathways to boost energy efficiency. Cement production is an energy user process that requires heat to be supplied at extreme temperature levels under the constraints of gas-solid heat exchange phenomena and also the kinetics of chemical reactions. In this project, the use of Pinch Analysis Technology techniques to optimize the thermal energy recovery of the cement production was explored. In addition to the energy recovery, heat exchanger network was designed for the targeted industry. Finally, from the investigation, ∆Tmin = 10℃ was selected as minimum temperature difference between hot and cold streams. Hint software is use for the analysis. The targets for hot and cold utility were 1,481.6 kW and 17,330.5 kW respectively and the maximum heat recovery obtained was 43,208.5 kW. The minimum number of heat exchanger that required in this project was 17 and the type of heat exchanger used for design was Direct contact heat exchanger was selected. This is happen on a solid particle-fluid combination inside preheater, kiln and cooler. A retrofit of a heat exchanger network of Pinch technology in a cement factory (ECPLC) which works 24 Hours per day and 300 days per year can save approximately 243,052,454.3 �������� ����.Ethiopian Birr per year. | en_US |
| dc.identifier.uri | http://etd.aau.edu.et/handle/12345678/23612 | |
| dc.language.iso | en_US | en_US |
| dc.publisher | Addis Ababa University | en_US |
| dc.subject | Optimization | en_US |
| dc.subject | Pinch Analysis | en_US |
| dc.subject | Hint Software | en_US |
| dc.title | Thermal Energy Optimization For Cement Process Using Pinch Point Analysis | en_US |
| dc.type | Thesis | en_US |