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Wolverhampton University

In 2011, the University of Wolverhampton embarked on a multimillion pound investmentin a state-of-the-art Combined Heat andPower (CHP) system. The goal was to slashannual energy costs, reduce carbon emissionsby a signifi cant amount and future-proofthe university energy network.
Heat transfer problems

In two key buildings, the heating system had been performingpoorly for some time. Although the MC building is one of thenewest on the campus, heat transfer was poor and there werewidespread system malfunctions. “We identified significantproblems with contamination - filters in the chilled beams andin the air handling units were badly blocked, resulting in severelyrestricted flow,” explains Stephen Cocks, University ofWolverhampton’s Energy Manager. “In MA, dated plant rooms were in real need of investment. Thismeant installing new boilers and ensuring that they would workalongside the older parts of the system that couldn’t be replaced.The key challenge here was to hydraulically separate the oldboilers from the new and protect the plate heat exchangers.”

Excellent reputation

“We installed Spirotech’s SpiroTrap dirt separator in 2012,and a SpiroVent Superior vacuum degasser unit one year later,due largely to the excellent reputation of the company in theUK and also as a result of an Association of University Engineers (AUE) presentation.”

Achieved results

• Saving 1,000 tonnes of carbon a year
• Reducing widespread system malfunction
• Maintenance drastically reduced
• Boilers are protected against dirt
• No more poor heat transfer
• Impressive energy saving

The solution

SpiroCombi deaerator and dirt separator
SpiroTrap dirt separator
SpiroVent Steel deaerator
SpiroVent Superior vacuum degassers

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Since the heavy contaminant has cleared, we've had no problems with flow rates, heat exchange or blockages in either building.
- Stephen Cocks, Energy Manager, University of Wolverhampton

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