Page 2770 - Flipbook_SolidDesignSoutheast2020

FLUIDIZED BED MIXERS

Mix low- to medium-density bulk materials, including liquid additions,
in 30 seconds (typical) minimizing degradation of friable materials.

Munson Fluidized Bed Mixers The fluidized zone is also an The fluidized bed mixer also
are recommended when ideal location in which to spray discharges more rapidly, through
mixing low- to medium-density high- or low-viscosity liquids, its full-length, drop-bottom
materials (≤50 lbs/ft or ≤800 which disperse more readily and gates, allowing material to
3
kg/m ) ranging from powders to can be added in relatively high empty from the machine rapidly.
3
pellets — particularly friable volumes while maintaining free-
flowing characteristics of And whereas ribbon, paddle
the batch. and plow blenders leave a
pronounced “heel” of material
This fluidized mixing action also in the trough following
creates less shear than with discharge, the fluidized bed
other agitated blenders which, mixer evacuates a much greater
together with extremely short percentage of material, reducing
mixing times, results in less the need to manually remove —
product degradation. and waste — material between
product changeovers.

The Munson Fluidized Bed materials — with or without
Mixer is configured with liquid additions, in applications
two counter-rotating shafts requiring short cycle times,
turning paddle agitators relatively gentle product
rapidly within two, parallel
U-shaped troughs. handling and infrequent
wash downs.
The Munson Fluidized Bed Mixer
among the fastest of all mixers,
with cycle times of 10 seconds
to two minutes, with 30 seconds
typical, yielding a ~5% CV
(coefficient variation).

Flat, angular paddles with
overlapping paths effectively
sweep material from two
parallel U-shaped 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 Munson Fluidized Bed Mixers are offered in capacities from 0.21
particles of batch ingredients to 280 cu ft (5.90 liters to 8.01 cu m). Model MF-5-SS 4.24 cu ft
readily intersperse, regardless (0.120 cu m) shown.
of disparities in particle size,
shape or bulk density.