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Possibilities to implement pinch analysis in the steel industry – a case study at SSAB EMEA in Luleå

Johan Isaksson (Institutionen för energi och miljö, Värmeteknik och maskinlära) ; Simon Harvey (Institutionen för energi och miljö, Värmeteknik och maskinlära) ; Carl-Erik Grip ; Jonny Karlsson
Proceedings of WREC - World Renewable Energy Congress, 8-11 May 2011, Linköping, Sweden (2011)
[Konferensbidrag, refereegranskat]

Steelmaking is an energy intensive industry. Much development work has been accomplished during the past years to make the processes more efficient. Process integration has come to play an important role for identifying efficiency measures, using mathematical programming as general tool. So far only a few minor process integration studies using pinch analysis have been made in this type of industry, and only on smaller subsystems. This paper presents the results of a pinch targeting study that was conducted at the Swedish steel making company SSAB EMEA in Luleå. The pinch analysis methodology was originally developed to study heating, cooling and heat exchange in process systems with many streams. In the steel industry there are relatively few streams that are appropriate for heat exchange. This limits the use of pinch analysis. However, this study demonstrates that pinch analysis is a powerful tool for certain subsystems, especially the gas cleaning unit of the coke plant. The paper includes several suggestions for improved energy efficiency in this section of the steel plant.

Nyckelord: Pinch analysis, Energy efficiency, Steel industry, Process integration

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Denna post skapades 2011-06-21. Senast ändrad 2015-07-28.
CPL Pubid: 142117


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Institutioner (Chalmers)

Institutionen för energi och miljö, Värmeteknik och maskinlära (2005-2014)


Hållbar utveckling
Metallurgisk processteknik

Chalmers infrastruktur