Tips for liquid addition in a ribbon blender

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Mixing wet and dry ingredients in a ribbon blender requires an efficient and consistent method of raw material addition. This method depends on several factors including the properties of each liquid and solid component, how they interact, as well as the amount of fluid that needs to be added. This bulletin presents some useful techniques that may apply to your particular process.

Versatile ribbon blender

Ribbon blenders are commonly used for blending dry powders, granules, pellets and other solid forms. The agitator's inner and outer helical ribbons are pitched to move material axially, in opposing directions, and also radially. This combination promotes fast and thorough mixing. Although dry blending is the ribbon blender's primary use, it can also function as a paste mixer, vacuum dryer and granulator/coater (by evenly coating a minor liquid component throughout the surfaces of the solid particles).

The addition of liquids to a dry batch can be accomplished in several ways. Choosing the right method is crucial to establishing repeatable blending results in the shortest cycle time possible.