International Sugar Journal

Sucrogen economiser issues [Full subscriber]

Sucrogen is experiencing tube failures in sugar mill boiler economisers. Economisers were provided on several boilers by the manufacturer to ensure stable and efficient operations. Several other boilers had economisers installed after the boiler was commissioned to improve boiler efficiency so that excess bagasse could be produced. This excess bagasse is utilised to produce steam and electricity outside of the crushing season. As economiser tubes continue to fail, the boiler availability is severely affected, interrupting crushing operations and reducing boiler efficiency, which reduces bagasse production. This paper presents: failures currently being witnessed in Sucrogen factories; various failure mechanisms which have…

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