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Effects of roll differential on recycle grinding system in flour milling process: at second break

One of the key parameters in the flour milling process is roll differential, the relative speeds at which the rolls rotate. The roll differential causes the shearing action on the grain that removes bran from the endosperm. The aim of this study is to evaluate the recycle system at second break wi...

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Main Authors: Mustapa Kamal, Siti Mazlina, Webb, C., Abdullah, Abdul Ghani Liew
Format: Conference or Workshop Item
Language:English
Published: Federation of Engineering Institutions of Islamic Countries 2006
Online Access:http://psasir.upm.edu.my/id/eprint/39654/1/39654.pdf
http://psasir.upm.edu.my/id/eprint/39654/
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spelling my.upm.eprints.396542015-08-21T03:24:57Z http://psasir.upm.edu.my/id/eprint/39654/ Effects of roll differential on recycle grinding system in flour milling process: at second break Mustapa Kamal, Siti Mazlina Webb, C. Abdullah, Abdul Ghani Liew One of the key parameters in the flour milling process is roll differential, the relative speeds at which the rolls rotate. The roll differential causes the shearing action on the grain that removes bran from the endosperm. The aim of this study is to evaluate the recycle system at second break with the effects of roll differential. The effects of roll differential on a recycle grinding process in flour milling were investigated using a Satake STR-100 test roller mill. Differentials of each break-roll pair were adjusted to target differentials ratio of 2.0, 2.5, and 3.0 by changing the velocity of the slow roll. Fast rolls were set at a velocity of 550 rpm. Weight percentages for each particle size and ash content from the second break rolls to recycle system were examined. The results show of that changing the roll differential does affect the recycle grinding performance. Roll differential ratio 2.5 had significantly produced higher yield compared to 2.0 and 3.0 roll differential ratio. It was also concluded that the recycle grinding system was successful introduce at break system and could potentially produce the target production without compromising the quality of the finished product. Federation of Engineering Institutions of Islamic Countries 2006 Conference or Workshop Item NonPeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/39654/1/39654.pdf Mustapa Kamal, Siti Mazlina and Webb, C. and Abdullah, Abdul Ghani Liew (2006) Effects of roll differential on recycle grinding system in flour milling process: at second break. In: Seminar on Engineering and Technology (SET2006) , 4-5 Sept. 2006, Putrajaya, Malaysia. (pp. 383-392).
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description One of the key parameters in the flour milling process is roll differential, the relative speeds at which the rolls rotate. The roll differential causes the shearing action on the grain that removes bran from the endosperm. The aim of this study is to evaluate the recycle system at second break with the effects of roll differential. The effects of roll differential on a recycle grinding process in flour milling were investigated using a Satake STR-100 test roller mill. Differentials of each break-roll pair were adjusted to target differentials ratio of 2.0, 2.5, and 3.0 by changing the velocity of the slow roll. Fast rolls were set at a velocity of 550 rpm. Weight percentages for each particle size and ash content from the second break rolls to recycle system were examined. The results show of that changing the roll differential does affect the recycle grinding performance. Roll differential ratio 2.5 had significantly produced higher yield compared to 2.0 and 3.0 roll differential ratio. It was also concluded that the recycle grinding system was successful introduce at break system and could potentially produce the target production without compromising the quality of the finished product.
format Conference or Workshop Item
author Mustapa Kamal, Siti Mazlina
Webb, C.
Abdullah, Abdul Ghani Liew
spellingShingle Mustapa Kamal, Siti Mazlina
Webb, C.
Abdullah, Abdul Ghani Liew
Effects of roll differential on recycle grinding system in flour milling process: at second break
author_facet Mustapa Kamal, Siti Mazlina
Webb, C.
Abdullah, Abdul Ghani Liew
author_sort Mustapa Kamal, Siti Mazlina
title Effects of roll differential on recycle grinding system in flour milling process: at second break
title_short Effects of roll differential on recycle grinding system in flour milling process: at second break
title_full Effects of roll differential on recycle grinding system in flour milling process: at second break
title_fullStr Effects of roll differential on recycle grinding system in flour milling process: at second break
title_full_unstemmed Effects of roll differential on recycle grinding system in flour milling process: at second break
title_sort effects of roll differential on recycle grinding system in flour milling process: at second break
publisher Federation of Engineering Institutions of Islamic Countries
publishDate 2006
url http://psasir.upm.edu.my/id/eprint/39654/1/39654.pdf
http://psasir.upm.edu.my/id/eprint/39654/
_version_ 1643832484880711680
score 13.211869

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