Hammel – Flue Gas Condensation

Objective: Improved efficiency on waste boilers through flue gas condensation

In November 2016 SEG A/S has commissioned a 5G5NP absorption heatpump with a cooling effect  of 1MW. On the cooling circuit, the heat pump deliver cold water at approx. °C for the flue gas coolers. The heat that is absorbed in the cooling circuit is transferred to the district heating system at a higher temperature, pre-heating the returned district heating water prior to the boiler. Driving energy for the heat pump is 112°C hot water.

The design of this type of Thermax heat pump is different from those supplied so far. The machine has become more compact with its square shapes. It is still a single effect driven generator, but the bottom evaporator is divided into two chambers called “twin design”. The design allows the evaporators to have different temperature levels and thereby cool the water down in two stages. This allows the highest concentration of the salt solution from the hottest generator to cool the output of the low-temperature evaporator better  


If you want to read more about the new design, there is information here: