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Overview
Vertical Screw Blenders
are excellent design alternatives
for product applications
that are shear sensitive,
voluminous and also where
space on the plant floor
is at a minimum.
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| Nauta
mixers are widely used for
mixing dry materials, paste,
cream and lotions. The principle
of blending is based on the
differential travel speeds
of product particles in the
conical section of the vessel.
The material from the bottom
section of vessel is lifted
by the screw and spread over
the upper sections. |
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| Design
Highlights |
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The screw agitator
turning on its axis
produces a lifting action
as it spirals the material
in an upward flow
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At the same time the
screw orbits the tank
, the screw removes
material away from wall
and deflects it into
the centre of the tank
setting up a spiral
current throught the
batch
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The material lifted
by the screw gravitates
downwards thoroughly
intermixing with material
being spiralled upward.
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This results in most
intimate intermingling
of all ingredients
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| When
compared to horizontal blenders
this design has several advantages |
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blending action of the slow
turning screw is far gentler
than that taking place within
the horizontal blenders. Since
the active blending volume
at any given time is a lot
lesser than the horizontal
blenders, it results in a
lower power requirement. The
large handling capacity coupled
with low power requirement
makes it one of most effective
and efficient Blender within
the family. |
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