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## Rpm of agitator

Agitator speed, RPM of shaft is prefered as 100 or 200 or 300. This speed is easier to achieve with motor/gearbox combination. Power number, which decides power required for mixing, is 1.35 for 3 bladed, 1.4 for 4 bladed, 1.45 for 5 bladed, 1.5 for 6 bladed impeller

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• Design and Implementation of Differential Agitators to

Feb 06, 2012 The 200 rpm shows the best agitation index because it makes a high pH reading and also a high homogeneous motion of the water. At the same speed (i.e. 200 rpm) the saturated solution is produced by adding a quantity of lime and keep it long time

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• The Effect of Critical Speed on Industrial Tank Agitator

The performance of an industrial tank agitator can be directly affected by the critical speed of the shaft and impeller assembly. Operating an agitator at a rotational speed that is close to or at the critical speed for the shaft assembly can result in significant shaking. This article provides a detailed overview of critical speed including

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• Agitators | McMaster-Carr

Choose from our selection of agitators, including electric mixers for tanks, stainless steel mixer propellers, and more. In stock and ready to ship

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• Agitation Scaleup Calculation

rpm. Agitator. D/T Ratio. Flow Number (Nq) Power Number (Np) Fluid Properties. Density (ρ) Kg/m . Viscosity (μ ) cP. Scale-up. times. English Metric . Result Scale-up Ratio, R

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Oct 31, 2021 Design of Agitator 8 Batch Volume V = 14 6 Vessel Diameter T = 2 6 Agitator diameter D = 0.6 Agitation rpm N = 75 rpm Overhang of agitator between shaft l = 4 m bearing & agitator No of Agitator n = 2 Properties of reactor contents Density ℓ = 1400 kg/m3 Viscosity = 300 cp Agitator Data 1 Agitator Type Calculation Power Requirement Power Number Np = 1.37 Power Required P = 0.792

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• Basic Guidelines for Design of Slurry Mixing Agitators

Jul 17, 2015 While designing the mixing agitators for process industries like Alumina refinery, illogical Reynolds number is used comprising of impeller diameter

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• Vibration Analysis Of Agitator | AMP Maintenance Forums

Dec 19, 2020 1) solo test perform of motor is ok. 2) motor 55 kw coupled with gearbox (drive shaft worm shaft with 8 threads and RPM 1495 +driven shaft is helical gear 52 teeth and rpm 230) Vibration with in limits but abnormal sound was observed in gearbox randomly not in regular interval no impact in time waveform. 3) when coupled with agitator high

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• Estimation of Agitator Flow Shear Rate

Apr 07, 2006 Estimation of Agitator Flow Shear Rate Jie Wu, Lachlan J. Graham, and Nabil Noui Mehidi Fluids Engineering Research Laboratory, Commonwealth Scientiﬁc and Industrial Research Organization (CSIRO), Highett 3190, Victoria, Australia DOI 10.1002/aic.10857 Published online April 7, 2006 in Wiley InterScience (www.interscience.wiley.com)

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• Mixer Tip Speed - Formula and Calculator - Powder and

The tip speed of a dry mixer is a very important data to determine the mixing regime thanks to the Froude Number but also to verify that the agitator speed is not exceeding 1 m/s whenever the mixture in its explosivity range (), typically when loading and discharging the mixer. The mixer speed in rpm at which the tip speed equals 1 m/s is called the ATEX speed of the mixer

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• What are Agitators? Selection and Types of Agitators (PDF

An agitator is a mechanical device that helps in shaking or stirring a liquid or mixture of liquids. Agitators are widely used for multiple operations in the chemical, pharmaceutical, food, grease, metal extraction, paint, adhesive, water, and cosmetic industries

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• Mechanical Agitator Power Requirements for Liquid

D = agitator cross sectional diameter measured tip to tip, ft. N = agitator speed, revolutions per hour. Figure 4 is a typical power correlation curve for agitated liquid batches. Both of the axes are defined in logarithmic scale. The x-axis is the Reynolds number as calculated by equation (14). The y-axis is the experimentally determined power

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• Mixing | Chemical Processing Expert Forum: How do we

Dec 01, 2014 Here are the specs of the agitator: 4 agitation stages with 4 blades per stage. Each tow blades have a diameter of 2500 mm. Each blade has an angle of 45 degrees and the height of the blade is 85 mm. Each blade has a weight of 22 Kg. Total of 12 blades*22 Kg= 264Kg Agitation Axis Weight: 200Kg. Total weight of the agitator about 500 Kg

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• Batch Reactor | Process Engineer

D = Diameter of agitator in m N= Rotation per second Example: Reactor with capacity 5 KL agitator running with 75 rpm. Agitator diameter is 1200 mm. Calculate : Tip velocity in m/sec. Sol: Given : rpm = 75, rps = 1.25 Agitator Dia. = 1200 mm = 1.2 m Tip velocity =

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• How do I determine HP and speed(r.p.m) of agitator - CR4

Apr 21, 2008 Re: How do I determine HP and speed (r.p.m) of agitator. Its called G value which is defined as [p/ (u*V)]^0.5, where p is power (W), u is viscosity (cP) and V is volume (m3). You need to know G before you can determine power. From that you can work out rpm

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• Information for Agitator / Mixer

Agitator speed or RPM of shaft is prefered as 100 or 200 or 300. This speed is easier to achieve with motor/gearbox combination. Power number, which decides power required for mixing, is 1.35 for 3 bladed, 1.4 for 4 bladed, 1.45 for 5 bladed, 1.5 for 6 bladed impeller

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• Agitator Power Requirement

Calculates agitator speed and power requirement for a given reactor geometry and mixture properties. Scale of Agitation 1 is quite mild, 3 is normal, 6 is vigorous and 10 is violent. Characteristic of application requiring minimum fluid velocities to produce a flat but moving fluid batch surface

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• Recommended flotation agitator RPM - Froth Flotation

1 like by Greg Henderson. To increase recovery, there is multiple parameters such as: set up air, rise reagents quantity, decrease froth level. In addition, Agitator rpm affect the size of the bubble produced. Consequently, they affect the flotation recovery

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