Agitator Design Spreadsheet
Version 1.2
December 20, 2017
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Inputs
Vessel MOC
Liquid Density
Liquid Viscosity
p
µ
Required Rotation
N
Power Number
Np
Reynolds Number Nre
SS304
1498
12
0.012
90
1.5
Motor Position
Motor HP
Motor HP Req.
Shaft Seal
Shaft Support
Baffle
kg/m3
CP
N.s/m2
RPM
RPS
5
(as per graph)
69675.73
Vertical
5
4.2
Single Mechanical
Required
Yes
SHAFT DIA
MOTOR HP
CALC. INPUTS
COMMON
Inputs
MOC of Vessel / Shaft
Type of Impeller
Motor HP (cal. available)
Sweep Dia. of Impeller
Shaft Dia. (cal. available)
Vessel Dimension
For Shaft Dia. Cal.
75
388
Vessel MOC
Output RPM
Motor HP
Vessel Dimension
Sweep Dia. of Impeller
For Motor HP Cal.
Liquid Density
Liquid Viscosity
Output RPM
Baffle/Unbaffle vessel
Type of Impeller (Np)
Vessel Diameter
Sweep Dia. of Impeller
1830
ID
72.95
75
SHAFT DIA. REQ.
SHAFT DIA.
90
2700
610
400
388
Impellers Np Graph available for design cal.
Anchor
2/4
SWEEP DIA.
Output - Sample Drawing (A2 Size)
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Miscellaneous Points
1 Typical power curve (Np graph) for agitator impellers
2 Input steps for motor HP cal.
Liquid Density
Liquid Viscosity
Output RPM
Sweep Diameter
Np Graph
Reynolds number
Power Number
Np
Vessel
Dimension
3 All dimensions can be change as per requirement.
4 Spreadsheet is available in full version only
5 The updated version will be provided without any extra charges.
6 Tutorial Video link - https://goo.gl/i73UDk
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