Evaluation of an alternative vacuum pan control scheme

Schneider, P.A. (2003) Evaluation of an alternative vacuum pan control scheme. In: Proceedings of the 25th Australian Society of Sugar Cane Technologists Conference (25), pp. 1-9. From: 25th Annual Conference Australian Society of Sugar Cane Technologists, 6-9 May 2003, Townsville, QLD, Australia.

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Abstract

Conductivity-based vacuum pan controllers dominate the Australian sugar industry. A new scheme, based on Brix control of the massecuite and mother molasses is proposed. Multi-loop control of the process is demonstrated, whereby the massecuite Brix is controlled by manipulating the liquor/A molasses feed rate to the pan and the mother molasses Brix is controlled by manipulating the steam flow rate to the pan. A single loop controller is also proposed, which controls massecuite Brix by manipulating the feed flow to the pan. The steam flow rate is set manually (i.e. mother molasses Brix is uncontrolled). A gPROMS simulation of a pivot pan under typical operating conditions demonstrates the efficacy of this approach.

Item ID: 7756
Item Type: Conference Item (Refereed Research Paper - E1)
Keywords: drying; experimental dryer design; fluidisation; fluidised beds; spouted beds
ISSN: 0726-0822
Date Deposited: 16 Jun 2010 01:50
FoR Codes: 09 ENGINEERING > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics @ 100%
SEO Codes: 86 MANUFACTURING > 8601 Processed Food Products and Beverages (excl. Dairy Products) > 860199 Processed Food Products and Beverages (excl. Dairy Products) not elsewhere classified @ 100%
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