Reducing emissions from boilers

New burners with Autoflame controls have increased the amount of low-carbon energy drawn from the Combined Heat and Power unit.

The boilers at the School of Veterinary Sciences in Langford work in tandem with our Combined Heat and Power (CHP) unit, but, prior to changes made in 2013, were unable to modulate, meaning that when demand reduced, the CHP automatically turned off as temperatures increased.

The Sustainability team realised that lack of boiler control was the key issue, and so sought a solution that provided networked visibility and dynamic boiler temperature control. As the existing burners were nearing the end of their lifespan, rather than modify them, the team decided to install new burners with better controls.

We chose Limpsfield boilers with Autoflame controls, as they were able to communicate with our existing systems - now, when the CHP unit is running, the boilers automatically throttle down, allowing the unit to run at maximum. Comparing December 2013 (post-installation) with January 2013 (pre-installation), the School drew 30 per cent more power from the CHP unit - a far more efficient and low-carbon source.

Results highlights

Energy drawn from the Combined Heat and Power unit has increased by 30 per cent.

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