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Improving energy efficiency and heat recovery performance in paper machine drying section | ||
Journal of Computational & Applied Research in Mechanical Engineering (JCARME) | ||
مقاله 4، دوره 14، شماره 1 - شماره پیاپی 27، بهمن 2024، صفحه 47-62 اصل مقاله (1.27 M) | ||
نوع مقاله: Research Paper | ||
شناسه دیجیتال (DOI): 10.22061/jcarme.2024.8365.2128 | ||
نویسندگان | ||
Shaaban Ghodbanan1؛ Reza Alizadeh* 2؛ Sirous Shafiei2؛ Javad Rahbar Shahrouzi2 | ||
1Chemical Engineering Faculty, Sahand University of Technology, Tabriz | ||
2Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran | ||
تاریخ دریافت: 10 شهریور 1400، تاریخ بازنگری: 10 بهمن 1402، تاریخ پذیرش: 15 بهمن 1402 | ||
چکیده | ||
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. | ||
کلیدواژهها | ||
Paper drying؛ Energy analysis؛ Heat recovery؛ Drying section؛ Energy efficiency | ||
مراجع | ||
[2] S.A. Reardon, “Simulation of Paper Drying Energy Consumption”, Ph.D. Thesis, University of Tasmania, (1995).
[6]“Technical Paper Series, Process Engineering – Metso As Your Drying Partner”, Metso Co., (October 2012).
[15] E. Rissanen, “Metso Technical Paper Report, Testing and Analyzing of PM2 Machine”, Mazandaran Wood & Paper Industries, Iran, (August 2008).
[16] Sh. Ghodbanan, “Comprehensive Study and Steady State Modeling of Multi-Cylinder Dryers and Optimization of Energy Consumption in Drying Section of Paper Machine”, Ph.D. Dissertation, Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran, (January 2016).
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