Flow Aids:ProBlend™ Zone Blender for Hoppers and Silos The ProBlend Zone Blender is used for blending and homogenizing any free flowing bulk material, within a hopper or silo. It can be used for mixtures of many ingredients and is frequently employed by compounders, recyclers, and others who require a uniform blend of materials at the use point.

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With its special geometry in the silo hopper, the ProBlend™ Zone Blender provides ten different flow zones in which the material passes through the silo at different velocities and residence times.

As a result, the discharged material contains a blend of material from throughout the silo or hopper. The Zone Blender uses a combination of mass flow (first in - first out) with funnel flow (last in - first out) to provide a homogenous blend and eliminate the effects of segregation, even with dissimilar materials.

Zone Blender Applications and Benefits

• May be used in a once-through or recirculating system design, to provide a homogenous blend of material from throughout the silo.
• Appropriate for batch or continuous systems.
• Allows re-use of off-spec or recycled material by blending it into the major component.
• Suitable for mixtures of many ingredients.
• For the compounder, the resulting homogeneity provides uniformity of color and uniformity of other desired material properties.
• When installed above the process or packager, it reduces any chance of segregation at the use point – no more variability in the end product.
• Continuous concept with no time delay required between material feed and blending.