Research shows potential of heat recovery with a polymer air preheater within the Ceramics industry.
In the ceramics industry flue gases are released from the oven proces at a temperature of 100-200 °C. This flue gas is sent directly to the atmosphere and a significant amount of energy is lost. Main reason for not recovering heat from this flue gas is the presence of sulphuroxides, chlorides and fluorides. When cooled down, an acidic condensate is formed which causes corrosion.
The HeatMatrix polymer air preheater is designed for heat recovery from corrosive flue gases. A test setup was installed at two brick plants, both having corrosive and fouling flue gases.
The pilot tests showed that the HeatMatrix polymer air preheater is able to handle both corrosion and fouling aspects of the flue gas. The installed cleaning system in combination with the smooth surface of the polymer make it possible to clean the heat exchanger within 3 minutes and remove accumulated dust and particles.
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