Improving energy efficiency and heat recovery performance in paper machine drying section
Publish place: Journal of Computational and Applied Research in Mechanical Engineering، Vol: 14، Issue: 1
Publish Year: 1403
Type: Journal paper
Language: English
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Document National Code:
JR_JCARME-14-1_004
Index date: 18 November 2024
Improving energy efficiency and heat recovery performance in paper machine drying section abstract
In this study, the energy assessment and heat recovery analysis of the multi-cylinder drying section were carried out in a fluting paper machine. The specific heat consumption per unit of paper was determined to be about 4.7 GJ/ton of paper and accordingly, the machine consumed about 1.71 tons of steam per ton of produced paper. The temperature efficiency of the heat exchanger and the recovering efficiency of the heat recovery system within the paper machine have been determined to be about 50% and 4%, respectively. The results show that the steam used in the heat recovery system can be reduced by about 0.95 tons/h due to adjusting the supply air temperature to the optimum range, which corresponds to about a 5.2% reduction in energy input and 4% improvement in dryer efficiency resulting nearly 31,000 savings per year. Also, the CO2 emission due to gas use can be decreased by about 925 tons/y.
Improving energy efficiency and heat recovery performance in paper machine drying section Keywords:
Improving energy efficiency and heat recovery performance in paper machine drying section authors
Shaaban Ghodbanan
Chemical Engineering Faculty, Sahand University of Technology, Tabriz
Reza Alizadeh
Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran
Sirous Shafiei
Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran
Javad Rahbar Shahrouzi
Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran
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