High Flow Rates and Densities with Fine Kaolin Clay The Need One of our clients had a problem of packaging different grades of kaolin clay uniformly into bulk bags at high rates. The clay’s poor handling characteristics made it very difficult to maintain uniform discharge from the 100 ton silos to the packaging equipment. Discharging from the silos at a high bulk density was also critical for stable bulk bags and efficient packaging. Our testing revealed that the existing silos discharged the kaolin clay in a funnel flow pattern. With the poor flow characteristics of the material, this can result in stable arches and ratholes. Additional problems with this funnel flow discharge pattern included erratic flow and reduced live silo capacity. As a fine powder, kaolin clay can become aerate

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