International Sugar Journal

Advanced controls for a biomass boiler † [Full subscriber]

Broadwater Sugar Mill has installed a new high-pressure co-generation boiler that is able to use a wide range of fuel to provide steam energy for both the generation of electricity and processing sugar. The control limits for the steam conditions are very tight being + 10˚C at 510˚C at 72 bar pressure. Due to the wide range of fuel types burnt in the boiler, the control system has been modified to be able to cope with these changes while still delivering a constant steam pressure and temperature output. This paper discusses the introduction of an on line “calorific” calculator and…

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