Cogeneration versus industrial waste heat |
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| Affiliation: | 1. Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA 15213, USA;2. Department of Computer Engineering, University of Pittsburgh, Pittsburgh, PA 15213, USA;3. Department of Nuclear Engineering, Texas A&M University, College Station, TX 77840, USA;1. Institute of Semiconductor Technology (IHT), TU Braunschweig, 38106 Braunschweig, Germany;2. Laboratory for Emerging Nanometrology (LENA), 38106 Braunschweig, Germany;3. Institute of Electrical Power Engineering and Energy Systems (IEE), TU Clausthal, 38678 Clausthal, Germany;1. Section for Epidemiology, National Veterinary Institute, Technical University of Denmark, Bülowsvej 27, DK-1870 Frederiksberg, Denmark;2. SEGES Dairy and Beef Research Centre, Agro Food Park 15, DK-8200 Aarhus N, Denmark |
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| Abstract: | The National Energy Administration has, by direction from the Swedish Government, made a study of the conditions for future small scale cogeneration of electricity and heat in Sweden. Small scale cogeneration is there defined as cogeneration plants not larger than 25 MWe. The analysis in this paper deals with anenergy system where small scale cogeneration is one of several ways to provide electricity and heat in an industrial area in Avesta, Sweden. The cogeneration heat has to compete with the waste heat from industrial processes and low temperature heat from the river and ambient air. There is also the municipal district heating system to take into consideration for the supply of heat to the area. In this competitive situation one is motivated to make an analysis of the system in order to find out how best to use the different possibilities for energy supply. The time period covered by the analysis is 10 years, from 1988 to 1977. |
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