Engineering the surface of a sugarcane roller mill roll for grip and durability

Kent, Geoffrey A. (2011) Engineering the surface of a sugarcane roller mill roll for grip and durability. Materials Forum, 35, pp. 42-47.

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Abstract

Roller mills are typically used to crush sugarcane to express the juice from which sugar is manufactured. The mill rolls need to provide sufficient grip to ensure minimal sliding of the sugarcane along the roll surface. The rolls are subject to pressures up to 55 MPa from the sugarcane bagasse (as the sugarcane is called after first being crushed between a pair of rolls). The insoluble component of sugarcane includes typically 10% ash that largely originates from soil that is harvested with the cane. The sugarcane juice is acidic with pH typically between 5.0 and 5.5. As a result of ash and juice, the mill rolls are subjected to a range of abrasive and corrosive wear mechanisms.

Solutions to provide grip and resist wear involve the selection of an appropriate roll shell material and compatible hard facing to provide the desired grip and wear characteristics. This paper reviews the various solutions that have been adopted for grip and durability for mill rolls and highlights the advantages and disadvantages of each method.

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ID Code: 60105
Item Type: Journal Article
Refereed: Yes
Keywords: Roll, Shell, Cast iron, Arcing
ISSN: 1447-6738
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Metals and Alloy Materials (091207)
Divisions: Current > Research Centres > Centre for Tropical Crops and Biocommodities
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 Institute of Materials Engineering Australasia Pty Ltd
Deposited On: 20 May 2013 22:59
Last Modified: 31 Oct 2015 16:10

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