Rotating regenerative heat exchanger for energy recovery in chemical plants

The behavior of a rotary heat exchanger was analyzed with special regard to heat and mass transfer. Parallel to measurements at such a rotary heat exchanger with non-absorbant matrix a mathematic model was developed to simulate the heat and mass transfer. The correlation of experimental and theoretical results shows that the experimental data can be calculated by the mathematical model within an accuracy which is usual for calculating heat and mass transfer. Within a variation of several parameters for the working medium (humid air) the influences of operating conditions on the exchange characteristic of regenerative heat exchangers with rotating matrix were examined. A study of parameters with the working medium flue-gas, which was thought as a possible application of the mathematic model, confirms the results which were found with the working medium humid air.