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Energy consumption and capacity utilization of galvanizing furnaces

Blakey, S.G. and Beck, S.B.M. (2004) Energy consumption and capacity utilization of galvanizing furnaces. Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 218 (4). pp. 251-259. ISSN 2041-3009

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Abstract

An explicit equation leading to a method for improving furnace efficiency is presented. This equation is dimensionless and can be applied to furnaces of any size and fuel type for the purposes of comparison. The implications for current furnace design are discussed. Currently the technique most commonly used to reduce energy consumption in galvanizing furnaces is to increase burner turndown. This is shown by the analysis presented here actually to worsen the thermal efficiency of the furnace, particularly at low levels of capacity utilization. Galvanizing furnaces are different to many furnaces used within industry, as a quantity of material (in this case zinc) is kept molten within the furnace at all times, even outside production periods. The dimensionless analysis can, however, be applied to furnaces with the same operational function as a galvanizing furnace, such as some furnaces utilized within the glass industry. © IMechE 2004.

Item Type: Article
Copyright, Publisher and Additional Information: © IMechE 2004. Uploaded with permission from the publisher and in accordance with the publisher's self-archiving policy.
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Mechanical Engineering (Sheffield)
Depositing User: Mr Christopher Hardwick
Date Deposited: 25 Aug 2009 14:40
Last Modified: 08 Feb 2013 16:59
Published Version: http://dx.doi.org/10.1243/0954408042466927
Status: Published
Publisher: Professional Engineering Publishing
Refereed: Yes
Identification Number: 10.1243/0954408042466927
URI: http://eprints.whiterose.ac.uk/id/eprint/9113

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