Page 2794 - Flipbook_SolidDesignSoutheast2020

ROTARY CONTINUOUS MIXERS

Slash capital and operational costs when blending long runs of dry bulk
solids with or without liquid additions, quickly, uniformly and gently

n Low cost mixing of long n Handles abrasive and
product runs corrosive products, and Proprietary mixing
flights produce a gentle
n Low labor costs compared materials with high yet efficient back-flow
to batch mixers bulk densities mixing action free of
n Gentle action prevents n Automatic material evacu- dead spots or internal
restrictions. Optional
ation at the end of product
material degradation runs using an optional piping (shown) through
n Accurate blend ratios reversing discharge weir discharge end feeds
to 99.9% n Small footprint per amount liquids through nozzles
onto continuously
n Rapid mixing: 1 to 2 minutes of material processed moving material for
residence time typical n Industrial and sanitary rapid, thorough coating.
n Lowest energy use per designs, construction and
amount of material blended finishes A money-saving machine for required to feed ingredients into the
n Stationary inlet and n Long life with minimal mixing of bulk materials in large stationary material inlet. Material
stationary outlet allow maintenance volumes, the Munson Rotary depth is generally set at 25 to 30%
for hard piping Continuous Mixer blends primary by means of a “weir” (dam) at the
bulk ingredients, minor ingredients discharge end of the drum, with
down to 0.1 percent, and/or liquid residence time and the amount of
The Munson Rotary Continuous Mixer cuts additions and coatings—uniformly, blended material overflowing the
labor and operational costs dramatically gently, rapidly and dust-free. weir determined by the residence
volume of the rotating cylinder and
when mixing dry bulk solids, with or In an automated system, the the rate of material inflow.
without liquid additions, in-line over long Munson Rotary Continuous Mixer Residence times generally range
typically requires only a portion of
product runs. Delivers uniform blends— a single operator’s time to monitor from one to two minutes. Longer
typically in one to two minutes residence the machine, unlike batch mixers residence times may be required
for critical blends containing minor
that can require multiple operators
time—gently and with low energy use. to stage materials, feed the additives, or for materials that
machine and unload it. require increased dwell time for
absorption or other conditioning.
The first dry process mixer
purpose-built for continuous For liquid additions and coatings,
operation, it features a stationary an optional spray line mounted
inlet, a stationary outlet, and a above the material bed, sprays
rotating drum with smooth interior liquid onto the cascading material,
surfaces and proprietary mixing assuring that every particle is
flights that mix dynamically with exposed to the spray pattern,
every degree of drum rotation. yielding uniform coatings.

Only a small electric motor is
required to rotate the drum at a
constant 8 to 10 RPM, saving on
initial cost and power consumption.
The low speed yet highly-efficient
tumbling action—with no impeller
or agitator—cuts residence time
Rotary Continuous Mixer model for most materials to only 1 to
CM48x12SS with rotating drum
of 48 in. (122 cm) diameter 2 minutes which, together with
x 12 ft (3.66 m) in length, is smooth interior surfaces, produces
constructed of stainless steel homogeneous blends more gently
finished to sanitary standards. than any comparable machine.
Stationary discharge shown above. Back flow mixing action
Inset shows stationary inlet. To achieve homogeneous blends, distributes ingredients rapidly,
an accurate metering system is uniformly and gently.