trendsetting agitator systems
TRANSCRIPT
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Trendsetting agitator systems
Conical Agitator Systems
Trendsetting Mixing Technology
VISCO JET Rührsysteme GmbHDaimlerstraße 179761 Waldshut-TiengenGermany
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Trendsetting agitator systems
• The Fundamentals of VISCO JET®
• Flow Characteristics
• VISCO JET® Impellers
• Application Areas
• Product Range
• Examples
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Trendsetting agitator systems
Main Mixing Applications
5 different mixing tasks:
1. Homogenization
2. Suspension
3. Dispersion
4. Aeration / Deaeration
5. Heat transfer
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Trendsetting agitator systems
Principle
- Venturi effect
- accelerated laminary flow
- overlapping flow
- turbulent mixing
The medium is
stimulated to
move itself!
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Trendsetting agitator systems
Principle
PropellerVISCO JET
• two main whirls
• homogeneous mixing
• flow especially in the corners
and at the bottom
• minimal vortex formation
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Trendsetting agitator systems
Light-Section Images
creates two main whirls De-airation
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Trendsetting agitator systems
Conical Systems– The Advantages
• Low mixing speed ���� sensitive mixing procedure���� no heating up ���� low arbrasive wear���� low forces
• Minimal vortex formation���� No air pocket formation���� No foam formation
• Energy savings due to reduced power consumption P =Ne x ρρρρ x (n/60)3 x d2
5
���� the low rotation speed optimizes the power consumption significantly
• Uncomplicated design and installation���� Usually one impeller level���� Small mixer drives���� Usually no top bearing or bottom bearings required���� No baffles
• Easy cleaning.......
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Trendsetting agitator systems
Cleanability
• Only one or two nozzles are required
to clean cone impeller
� CIP method
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Trendsetting agitator systems
VISCO JET® Mixing Elements
Spiral version, 3-fold, for high viscosity products
VISCO JET® Classicwith “closed“ cones
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Trendsetting agitator systems
Limits?
Not suitable for mixing applications
that require high shear rates
(e.g. dispersion paints, lumping
powders) …. until…………
…. VISCO JET CRACK was designed
VISCO JET CRACK
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Trendsetting agitator systems
• Application in watery up to
highly viscous liquids
• In all tank sizes from 0.25-
400,000 gallons (1l - 1,500,000l)
and more
• For use in horizontal tanks,
containers, silos and other
vessels
• Fields of Applications:
Coatings, paper industry, food,
beverage, confectionary,
cosmetics, pharmaceutics,
chemistry etc.
Application Areas
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Trendsetting agitator systems
Agitation in Laboratorieswith VISCO JET® VJ100 and VJ900
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Trendsetting agitator systems
Agitation in Laboratory and Pilot Plant with VISCO JET® VJ150
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Trendsetting agitator systems
Agitation in IBC-Containerswith VISCO JET® VJ350
- mixing in transport container
- transfer to another container is
not necessary
- for viscosities up to 40.000 mPas
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Trendsetting agitator systems
Operation of the VISCO JET® Tornado
- can be inserted into closed containers
through openings with Ø 150 mm
- the impeller unfolds
- due to the centrifugal moment the
impeller unfolds to an outer diameter
of 650 mm
- easy to clean after use
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Trendsetting agitator systems
Operation of the VISCO JET® Tornado
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Trendsetting agitator systems
An Agitator for Stainless Steel Containers:Container Agitator VJ520
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Trendsetting agitator systems
VISCO JET® VJ370/VJ380 Agitator for Closed or Open Drums
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Trendsetting agitator systems
Column Agitators for All Volumes and Sizes of Transport Containers
VJ400 VA column agitator for fully automatic operation with PLC
control sytem for serial production
VJ400 BHcolumn agitator with manual lifter
for buckets and vessels 5 – 200 l
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Trendsetting agitator systems
NEW – VJ411, Semi-automatic Agitator
VISCO JET® Column Agitator VJ411,
up to 10 programmable mixing procedures for buckets and bin with max. diameter 340 mm and max. height 350 mm
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Trendsetting agitator systems
NEW – VJ405
Programmable semi-automatic or full-automatic agitators for
highest safety requirements
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Trendsetting agitator systems
VISCO JET® wall mounted/floor mounted column agitator VJ421/ VJ431with electric lifting 12000-18000 mm for highest demands in function and cleanability
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Trendsetting agitator systems
Column Agitators – The New Generation
VJ450 with manual lifter, lifting height 1200 mm
VJ455 mit electric lifter, lifting height 1200-1400 mm
VJ480 Mobile Column with manual lifter, lifting height 1200 mm
VJ485 Mobile Column with electric lifter, lifting height 1200-1400 mm
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Trendsetting agitator systems
VISCO JET® Tank Agitator VJ500
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Trendsetting agitator systems
Example: Paper factory in Switzerland
Volume: 250.000 litre Height: 15 m
Product: Kaolin pigment slurry Diameter: 4,8 m
Viscosity: 500 mPas Density: 1800 kg/m3
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Trendsetting agitator systems
Paddle impeller 4 levels
with baffles
=> Bad mixing result
with strong
sedimentations!
Example: Paper factory in Switzerland
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Trendsetting agitator systems
Example: Paper factory in Switzerland
Now:
Use of a VISCO JET®,
d2 = 2.800 mm, 2 x 2-fold
Result:
���� Excellent mixing result
���� No sedimentation
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Trendsetting agitator systems
Homogenizing ….
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Trendsetting agitator systems
… in 8 m³ Vessel
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Trendsetting agitator systems
Example:Suspension in Squared Vessel
Efficient flow in
the corners
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Trendsetting agitator systems
Storage Mixing Tanks for Paints and Plaster
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Trendsetting agitator systems
Storage Mixing Tanks for Paints and Plaster
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Trendsetting agitator systems
Top Entry VJ500
Sublevel VJ600
Side Entry VJ620
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Trendsetting agitator systems
Storage Tank
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Trendsetting agitator systems
VISCO JET® Tank-agitator Type VJ510
for horizontal tanks
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Trendsetting agitator systems
VISCO JET® Tank-agitator Type VJ510
- mixing directly in the transport tank
=> no decanting necessary
- the impeller can be inserted through
an opening >= 500 mm
- only one agitator is necessary
- example of a horizontal road tank
with 25.000 litre (6,600 gal)
=> drive with 3,0 kW is enough
=> completely homogenized within7 minutes
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Trendsetting agitator systems
VISCO JET® tank-agitator VJ510
tank 25.000 litre
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Trendsetting agitator systems
Thank you very much!