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Design of kraft pulp mill hot and warm water systems - A new method that maximizes excess heat

Roger Nordman (Institutionen för energi och miljö, Värmeteknik och maskinlära) ; Thore Berntsson (Institutionen för energi och miljö, Värmeteknik och maskinlära)
Applied Thermal Engineering Vol. 26 (2005), p. 363–373.
[Artikel, refereegranskad vetenskaplig]

Many pulp mill hot and warm water systems are overdimensioned and produce more hot and warm water than demanded. This overproduction could be used for other applications, if heat could be released at high enough temperatures. In this paper a new method to release as much excess heat of a high temperature as possible in the secondary heat system has been developed. A case study of a Swedish kraft pulp mill showed that 5-6 MW excess heat with a temperature above 90oC could be released if the system were rebuilt. Two different alternatives for using the excess heat have been investigated.

Nyckelord: Pulp mill; Heat recovery, Pinch analysis; Optimization; Hot and warm water system



Denna post skapades 2009-07-10. Senast ändrad 2012-04-19.
CPL Pubid: 95577

 

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Institutioner (Chalmers)

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

Ämnesområden

Kemisk energiteknik

Chalmers infrastruktur