Fluidized Bed Mixers
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The Munson Fluidized Bed Mixer is a machine of extremes, offering unique benefits within a narrow range of applications in which its limitations are not a factor.
It is among the fastest of all mixers, with cycle times of 10 seconds to two minutes, with 30 seconds typical, yielding a ~5% CV (coefficient of variability).
It also mixes more gently than other agitated blenders, and evacuates blended batches almost instantly through its full-length, drop-bottom gates.
Although it resembles a ribbon, paddle or plow blender from a distance, it differs radically in design and operation. Instead of a single shaft turning agitator blades slowly within a U-shaped trough, the Munson Fluidized Mixer is configured with two counter-rotating shafts turning paddle agitators rapidly within two, parallel U-shaped troughs.
Flat, angular paddles with overlapping paths effectively sweep material from the troughs toward the center and upward, causing it to become airborne in a "fluidized zone" above the longitudinal centerline of the mixing chamber, where discreet particles of batch ingredients readily intersperse, regardless of disparities in particle size, shape or bulk density.