Optimisation of waste heat recovery system in paper machine dryer section

Tanasić, Nikola; Ivošević, Miloš; Simonović, Tomislav

doi:10.1109/efea49713.2021.9406269

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…According to the mass and energy balance, energy transfer model of heat recovery system can be expressed by Eqs. (21).…”

Section: Energy Transfer Model Of Heat Recovery Systemmentioning

confidence: 99%

“…Those researches focused on a part of ventilation system, although the energy efficiency of the part has been improved and relevant theory has been studied, the influence of ventilation on the steam consumption of steam condensation system has been neglected. Kong et al found that the drying section had about 4.6% energy saving potential by reasonably adjusting the ventilation system for a corrugated paper machine [21]. Ghodbanan [22] and Li [23] et al found the total steam consumption can be reduced about 11 and 5.6% by optimizing the operation conditions, respectively; Laurijssen et al pointed out that heat consumption can be reduced by 32% by increasing the dew point temperature and further recovering the waste heat [24].…”

Section: Introductionmentioning

confidence: 99%

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Modeling of Ventilation’s Influence on Energy Consumption in Multi-cylinder Dryer Section Part1: Theoretical Model

Yin

Liu

Wang

et al. 2022

Int J Comput Intell Syst

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Ventilation system affects the water evaporation rate, energy consumption and the paper quality, which is considered as the largest optimization potential part of multi-cylinder dryer section. Energy consumption of drying system is divided into three parts: steam consumption of cylinders, steam consumption of air heaters, power consumption of blowers and exhaust fans. An energy consumption model of drying system integrating steam condensation system and ventilation system is constructed according to the control logic and process flow of the actual ventilation system, by combining the established models of each module and energy consumption indexes. It is the premise to realize the intelligent control of paper drying process. The research results perfects the mechanism of ventilation system for assisted drying, which can promote the improvement of the monitoring, and enable intelligent computing technology to play a greater role in optimizing drying operation and reducing drying energy consumption.

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“…According to the mass and energy balance, energy transfer model of heat recovery system can be expressed by Eqs. (21).…”

Section: Energy Transfer Model Of Heat Recovery Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Modeling of Ventilation’s Influence on Energy Consumption in Multi-cylinder Dryer Section Part1: Theoretical Model

Yin

Liu

Wang

et al. 2022

Int J Comput Intell Syst

View full text Add to dashboard Cite

show abstract

Review on Water and Energy Integration in Process Industry: Water-Heat Nexus

2022

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The improvement of water and energy use is an important concern in the scope of improving the overall performance of industrial process plants. The investment in energy efficiency comprehended by the most recent sustainability policies may prove to be an effective response to the fall of energy intensity rates associated with the economic crisis brought by the COVID-19 pandemic. The improvement in water efficiency may also prove to be a potential approach due to its interdependencies to energy use, whose exploitation comprises part of the study of the water-energy nexus. Waste heat recovery and water reclamation practices have been exploited to improve water and energy efficiency. A specific method designated “Combined Water and Energy Integration” has been applied to water recycling as both an additional water source and a heat recovery source in a set of water-using processes. In scientific and industrial domains, there is still a need for integrated approaches of water-using and combustion-based processes for overall water and energy efficiency improvements in industrial plants. In this work, an innovative approach for a simultaneous improvement of water and energy use is proposed based on process integration and system retrofitting principles. This proposal is based on the delineation of two innovative concepts: Water and Energy Integration Systems (WEIS) and Water-Heat Nexus (WHN). A review on existing technologies for waste heat recovery, thermal energy storage and heat-driven wastewater treatment is performed, following a conceptualisation design.

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Optimisation of waste heat recovery system in paper machine dryer section

Cited by 2 publications

References 7 publications

Modeling of Ventilation’s Influence on Energy Consumption in Multi-cylinder Dryer Section Part1: Theoretical Model

Modeling of Ventilation’s Influence on Energy Consumption in Multi-cylinder Dryer Section Part1: Theoretical Model

Review on Water and Energy Integration in Process Industry: Water-Heat Nexus

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