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Modellering av indunstning på Södra Cell Mönsterås
Linköping University, Department of Electrical Engineering.
2004 (Swedish)Independent thesis Basic level (professional degree)Student thesisAlternative title
Evaporation Modeling at Södra Cell Mönsterås (English)
Abstract [en]

Evaporation is a part of the chemical recovery department at wood pulping mills. The purpose of evaporation is to remove water from the black liquor, which makes the liquor combustible. The process is very energy demanding, and having a well-functioning model of the system is of greatest interest. The model can then be used to study energy consumption and to test different control strategies.

Two models have been developed during the master thesis. The main model is a complete model of the evaporation at Södra Cell Mönsterås and has been constructed using the simulation program Extend. The Extend model is a block based, static model, which describes energy and mass flows of liquor, steam and condensate.

The other model consists of a dynamic, parametric model created using the System Identification Toolbox in MATLAB. However, the dynamic model only considers some parts of the evaporation.

Finally, some suggestions of further development and usage of the models are given.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2004. , 46 p.
LiTH-ISY-Ex, 3496
Keyword [en]
Reglerteknik, modellering, indunstning, Extend, pappersmassa, konfektionsmodell
Keyword [sv]
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-2208OAI: diva2:19538
Available from: 2004-03-23 Created: 2004-03-23

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