Energy analysis of an integrated steel mill: Outokumpu Stainless – Avesta Works

Examensarbete för masterexamen

Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12380/143111
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Type: Examensarbete för masterexamen
Master Thesis
Title: Energy analysis of an integrated steel mill: Outokumpu Stainless – Avesta Works
Authors: Kamb, Viktor
Lundström, Martin
Abstract: Knowledge about variations in energy use for energy intensive industries is becoming more important due to rising fuel prices and international competition. Many industries will need to produce a higher share of more refined products to survive. The knowledge about energy usage variations can be used for identification of potential energy and emission savings and for price setting of products. In this master thesis the variations of the energy use of an integrated steel mill have been analyzed. The project was carried out at Outokumpu Stainless – Avesta Works in Avesta, Sweden. The aim was to identify production and product related parameters, which affect the energy use of the steel mill. Furthermore a calculation tool was built to predict the annual energy use with the annual production mix as input. Existing energy log data was allocated to the process log data for 2010 to retrieve the energy usage indicators for each product group. This data was used to analyse the energy usage variations and was the foundation for the calculation tool. Two cases where the share of ‘special’ steel products was increased compared to the production mix of 2010 were implemented with the tool. The results show that production of ‘special’ steel is more energy intensive than ‘standard’ steel. An increase of ‘special’ steel in the production mix could therefore increase the energy consumption, the CO2 emissions and the production costs of the plant. Including energy related parameters in the price setting process could therefore improve it by charging the customer for the real energy costs.
Keywords: Energi;Hållbar utveckling;Kemiteknik;Energy;Sustainable Development;Chemical Engineering
Issue Date: 2011
Publisher: Chalmers tekniska högskola / Institutionen för energi och miljö
Chalmers University of Technology / Department of Energy and Environment
URI: https://hdl.handle.net/20.500.12380/143111
Collection:Examensarbeten för masterexamen // Master Theses



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