The Model Number 4 Kelly Duplex Vertical Mixer has a
gross vessel capacity of 200 cubic feet and a nominal batch working
capacity of 170 cubic feet. This mixer features a 60 degree cone, a 12
inch diameter stepped pitch internal mixing spiral, a 10" rack and
pinion discharge gate at 41" discharge height and a 10 HP motor and
V-belt drive. The mixer is loaded at floor level with a 9" screw
feeder featuring a 24" x 48" inlet hopper 28" above floor
level.
Material to be mixed can be introduced through the screw
feeder or through the mixer top cover. Mixing action occurs when the
internal spiral conveyor lifts material to the top of the inside tube and
blends existing material with new material in the cone, downtube and
inside tube. At the top material is distributed in a 360 degree pattern by
a distribution flinger at the top of the spiral. Gravity action inside the
mixer body allows material to flow from top to bottom while gentle mixing
occurs.
The key component of a vertical spiral mixer is the
spiral. The views shown below illustrate the stepped pitch mixer spiral
permitting gentle pickup of fine materials in the bottom of the mixer
downtube loading area. Material is then gently accelerated to the top of
the mixer where the top spiral flinger spreads it in a uniform 360 degree
pattern. Note the heavy-duty construction at the top, or drive end, of the
spiral. This is an example of construction features that provide for long
machine life in daily service.
Overall view of vertical mixer illustrates 10" rack
and pinion discharge gate and force feed inlet in down tube just 6"
above the floorplate. V-belt drive is shown at the top:
The vertical mixer spiral is force fed with a 9"
screw feeder directly connected to the mixer downtube 6" above floor
level. The 24" x 48" x 45 degree inlet hopper provides for
convenient and metered loading of the mixer batch. The top of the hopper
is located just 28" above floor level:
The maintenance panel in the mixer cone with a
protective interlocking limit switch, the mixer discharge gate in the
bottom of the cone and the installed Padlockable Protective Interlocking
Electrical Control Switch are illustrated in these views of the vertical
mixer:
Transportation of a vertical mixer is usually
accomplished economically through the use of a contract carrier. In these
views the vertical mixer and screw feeder are shown loaded on a flat bed
truck and tarped for transportation:
