Gravity Mixer
Optimal Residence Time Distributions

The construction of mixing silos is based on data gained through experimentation or years of experience. This whitepaper shows the modeling with results and advanced mathematic investigations.

If gravitational flow is to be utilized to mix or homogenize dry bulk solids, the silo must not have any dead zones, so the entire content of the silo is included in the mixing process. This can be primarily avoided through proper process engineered design for mass flow. In order to achieve sufficient mixing in a blending or a homogenizing silo, the gravitational flow must also be adjusted by stationary fixtures, so that different flow rates develop in various areas. One possibility is incorporating a single hopper into the outlet region of a silo. Alternatively, a series of cone elements can be stacked on top of each other (mixing pots). Read this whitepaper to learn about a model for theoretical examination, that was developed to judge the mixing results of dry bulk solids in gravity mixers.

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