The impact of different factors on particles quality and energy consumption in knife ring flaker

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AGHAKHANI M.; KHAZAEIAN A.; RAFIGHI A.; SCHOLZ F.

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Journal: IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES Year:2019 | Volume:10 | Issue:2 Page(s): 205-215

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Title

The impact of different factors on particles quality and energy consumption in knife ring flaker

Author(s)

AGHAKHANI M. | KHAZAEIAN A. | RAFIGHI A. | SCHOLZ F. | Issue Writer Certificate

Keywords

energy consumptionQ1

knife ring flakerQ1

sieveQ1

particles qualityQ1

OakQ2

PoplarQ2

Abstract

In particle board plants different chippers and flakers are used to convert logs to wood particles. Different parameters affect the final result. This study aims to evaluate the effect of moisture content and species on quality of wood particles and energy consumption in knife ring flaker. Hence two different species including Poplar and Oak were used. Besides, two moisture contents of 12% and 30% were evaluated. First, logs were converted to lumbers; then they were kept in open air for 20 days. After that they were conveyed to drier chamber and dried to reach the aforementioned moisture content. Next, using drum chipper, the lumbers were converted to chips. After that, the resulting chips were fed to knife ring flaker following the experimental design. The energy consumption was measured using multi-channel precision power meter. For precise evaluation of energy consumption for each treatment, equal volumes of chips at constant time were converted to wood particles. Finally, the resulting wood particles were classified using laboratory shaker following EN 151491. The result showed that energy consumption during the producing wood particles using knife ring flaker for Oak is higher than Poplar mainly due to higher density of the former. In Oak, increasing moisture content from 12 to 30 percent energy consumption decreased that was related to softening effect of water. However, regarding Poplar, increasing moisture content increased energy consumption. At the same moisture content, Oak gave wood particles with higher quality in comparison to Poplar. Besides, in both species increasing moisture content resulted in higher quality wood particles.

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APA: Copy

AGHAKHANI, M., KHAZAEIAN, A., RAFIGHI, A., & SCHOLZ, F.. (2019). The impact of different factors on particles quality and energy consumption in knife ring flaker. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, 10(2 ), 205-215. SID. https://sid.ir/paper/184318/en

Vancouver: Copy

AGHAKHANI M., KHAZAEIAN A., RAFIGHI A., SCHOLZ F.. The impact of different factors on particles quality and energy consumption in knife ring flaker. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES[Internet]. 2019;10(2 ):205-215. Available from: https://sid.ir/paper/184318/en

IEEE: Copy

M. AGHAKHANI, A. KHAZAEIAN, A. RAFIGHI, and F. SCHOLZ, “The impact of different factors on particles quality and energy consumption in knife ring flaker,” IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, vol. 10, no. 2 , pp. 205–215, 2019, [Online]. Available: https://sid.ir/paper/184318/en

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