Heat Recovery
In order to maintain a high plant efficiency at every point of the operation even with wet fuel, flue gases can be cooled down below the flue gas dew point. Steam and accompanying substances (including particulate matter) are condensed and the released condensation heat is transferred to a heat carrier medium (low-temperature). These systems, which often are referred to as flue gas condensation plants, utilise the latent heat content of the fuel gas and in turn significantly reduce the fuel input and CO2 emissions.
With Polytechnik plants, these systems are primarily used in local and district heating plants, fuel and sawdust dryers, greenhouses and often in combination with devaporisation plants. Polytechnik plants then achieve an efficiency of more than 100% with regard to the lower calorific value.