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District energy

District heating

Energy efficiency in industry


Heat recovery from paper machine

21. December 2020

Solution provider

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The challenge:

Heat recovery for district heat network with a free flow design on exhaust gas side.

Exhaust gas from paper drying machine is fully saturated with water at 55 ℃ C

Low pressure drop on gas side in order not to interfere with production

High condensation rate. Heat exchanger to handle fouling.

The solution:

A long, flue gas condenser with CIP nozzles

In operation since 2012. Only limited maintenance since installation

The heat recovered is boosted with heat pumps for local district network.