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METHODS FOR DETERMINING AGITATOR MIXING REQUIREMENTS FOR …

Jan 03, 2019 I am designing anchor type agitator. Tank Diameter is 2525 mm, Tank height is 2250 mm, Liquid Viscosity is 3000 Cp, Density is 1500 Kg/m3, Blade diameter is 2480 mm, Blade width is 50 mm, Blade thickness is 10 mm, Hight is 16oo mm. Pl advise me to ho to calculate the Required power for agitator. A.P. Singh Kanpur M-9450752035. Delete cb bottom clearance, m d characteristic length, m dp1 diameter of powder 1, m dp2 diameter of powder 2, m ds diameter of horizontal part of planetary mixer, m D diameter of turbine part, m Fr Froude number FrG Froude number based on gyrational speed of agitator FrM generalized Froude number based on tip speed H agitator height, m HL liquid ...

Mixing Chemical Processing Expert Forum: Re: Agitator design

Jan 03, 2019 Tank Diameter is 2525 mm, Tank height is 2250 mm, Liquid Viscosity is 3000 Cp, Density is 1500 Kg/m3, Blade diameter is 2480 mm, Blade width is 50 mm, Blade thickness is 10 mm, Hight is 16oo mm. Pl advise me to ho to calculate the Required power for agitator. A.P. Singh Kanpur M-9450752035 Ajay Kumar 26 April 2019 at 13:48 Hiii, Inner subdomain diameter 1 m Outer subdomain diameter 1.2 m Reactor height 1.8 m Impeller diameter 0.33 m Impeller height 1.5 m Impeller bottom distance 0.15 m. Figure 2 The finalized geometry . The fluid properties are designed by user itself. In Physics menu user defined the wall boundary and the outer boundaries conditions

Development of Agitator to Enhance its Mixing Time

m Density, liquid ft rpm Gas flow rate, actual acfm am3/h Tank diameter Calculations Superficial gas velocity m/s ft/s Tank cross-section m2 ft2 m3/s Impeller diameter Impeller speed rps ft3/s Gravitational acceleration Gas Flow Number NFl QG Impeller Froude Number NFr Impeller ratio RPD Relative Power Demand H Liquid height V Volume m3 ft3 NP ... Number of agitators = (Maximum liquid height x average specific gravity) / Diameter of tank. The gap between two impellers = Liquid height / (Number of impellers - 0.5). Most important parameters are diameter and length of agitator shaft and impeller diameter. These are decided by process design …

Design and Implementation of Differential Agitators to ...

cylindrical vessel having a diameter of 0.5 m filled with 0.5 m height of liquid. An agitator was inserted centrally into the mixer and mounted on a rod jointed with a mechanism transforming the rotational movement into the forward–backward movement in the horizontal direction. The mixing power of an agitator was calculated from develop a head of 3 m and deliver 0.3 m3/s of water at the speed of 1000 rpm. In the design impeller, outlet diameter is 350 mm, entrance vane angle is 12.78˚ and discharge vane angle 14.19˚ at outlet diameter, the hub diameter is 175mm, entrance vane angle is 24.4˚ and discharge vane angle is 37.62˚ at hub diameter respectively. The number ...

Agitator and Wiper Design Modification for Milk Khoa …

The limiting design conditions were maximum reactor diameter of 1.80 m, straight side height-to-diameter ratio in the range of 0.75–1.5 and minimum agitator motor power of 746 W (1 Hp). The samples are taken in three different heights (measured from the digester floor) named bottom (0.2 m), center height (2.5 m) and surface (4.5 m). Figure 3. Plan view on digester one with probe: ( a ) sampling points and ( b ) sampling heights; ( c ) Represents the probe sampling system on the digester, enlarged and provided with additional ...

Design of A Mechanical Agitator for Supplementing Paint ...

Refer to the agitator assembly drawing for the support structure design loads. Table 3, page 4, Recommended Beam Sizes is keyed to model, a case size and tank diameter. Select the appropriate beam size for you application. Beams of equivalent section modulus and moment of inertia and/or modulus of elasticity can be used.. May 01, 2019 Abstract-The paper presents the design of a mechanical agitator for efficiently mixing paint segments to consistent properties in sealed tank of total mass up to 200Kg without having any contact with the paint itself. Basically, the agitator was designed to consist of a steel supporting frame structure for the tank and a 50mm-diameter-90mm-long ...

Agitator Impellers Designed and Manufactured by AFX …

Agitator datasheet Download Necessary Information for Agitator Design: 1.1 Mounting type : Top entry/Side entry/Bottom entry 1.2 Location : Indoor/Outdoor 2.1 Vessel diameter(mm) 2.2 Vessel height(mm) 2.3 Shape of vessel heads(top/bottom) 2.4 Operating pressure(barg) 2.5 Operating temperature(℃) 2.6 Fluid density(kg/m3) (Weight m) Bearing type/Bearing number Fa Fr Fr1 Fm φ d 1 φ d 2 φ d 3 φ6 φd φ d 4 φ 7 Main spindle inner diameter Main spindle inner diameter Main spindle outer diameter Main spindle outer diameter Front (angular contact type, cylindrical roller type) or rear (angular contact type, cylindrical

Mechanical Agitator Power Requirements for Liquid …

requirement for small size agitator to mix two fluids are analysed with optimum time. This paper describes the mechanical design of agitator to mix polyelectrolyte having viscosity1.5cp considering the fluid forces that are imposed on the impeller by the fluid. Agitator design is often though Aug 24, 2015 Agitator design and selection. Next. Engineering. Aug. 24, 2015 13,662 views 71 Likes Share. AFD7 Agitation and Mixing Engineering. Aug. 24, 2015 ... Design Equations www.ChemicalEngineeringGuy.com • J Baffle Size • H Height • Da Imp. Diameter • E/C Free Height • Dt Tank Diameter • L Impeller Size • W Impeller Height

[How To] Select a Motor Capacity for Agitator - Pharma ...

H = Height of liquid above nozzle. D = Tank nominal inside diameter (in inches). K = 1.0 for nozzles 6 inch diameter and larger. K = (d/dr-d) for nozzles less than 6 inch diameter. d = Nominal nozzle diameter (in inches). dr = Cutout reinforcement diameter (greater of 2 times d or d+6) (in inches). The tank is 2.7 m in diameter, the propeller is 0.81 m in diameter is positioned 0.81 m from the bottom of the tank. The tank is filled to a depth of 2.7m with a caustic soda solution, which has a viscosity of 1.5 cP and a density of 1498 kg/m. 3. The turbine is operated at 3.21 rpm. What power will be required to operate the agitator if:-The ...

Design Calculation of Impeller for Axial Flow Pump

Aug 27, 2009 The following report is a summary of work conducted to evaluate the ability of existing correlative techniques and alternative methods to accurately estimate impeller speed and power requirements for mechanical mixers proposed for use in a mixing and sampling facility (MSF). The proposed facility ... 3. In a large vessel, the height of liquid can be as high as 60 m, the pressure at the bottom of the vessel will increase the oxygen solubility, and the value of K L a will increase. 4. Extremely large vessels can be constructed. In one single cell protein plant, the reac-tor had a total volume of 2300m 3 (a column of 7m diameter and 60m height ...

Chemineer™ MR Agitators - NOV Inc.

Feb 06, 2012 Assume agitation geometry and speed fluid properties are tank height 0.5 m , outside tank diameter 0.4m and inside tank diameter 0.2 m. Figure 3 .4 . Agitator geometry total volume of 2300 m 3 (a column of 7 m diameter and 60 m height with a reactor working. volume of 1560 m 3). ... Careful consideration has to be given to agitator design within a bioreactor ...

Dimensional analysis of a planetary mixer

Apr 27, 2007 Effectively contacting materials is crucial for operations ranging from solids suspension to gas dispersion and from reacting raw materials to compounding finished ingredients. The wide variety of mixer types — dynamic and static, as well as in-tank and in-line — and the design options for the mixers and vessels can make selecting the right unit tough. And troubleshooting an existing unit ... which are considered a typical standard design are given in Table 8-2. ... = agitator diameter H = liquid height D T = tank diameter E = height of the agitator from the bottom of the tank J = baffle width L = agitator blade length W = agitator blade width mixing of fluids 4.

Greatwall Mixers Company Profile

Dec 15, 2008 The item about is a 10m diameter tank with an agitator of aprox 3.85m outer diameter, inside a fluid of 1520 kg/m3 and aprox 0.0122 kg /(m s), density and viscosity, respectively. Thank you very much Login to Reply Nov 01, 2006 D = Agitator diameter, m. ... Tank shape and design details are integral parts of the agitator design. Dished bottoms and baffles help prevent settling in cylindrical tanks. Baffles impart a high vertical component of velocity, help eliminate dead zones, and can allow high agitator speeds before aeration occurs. ... The root cause of the ...

(PDF) A design algorithm for batch stirred tank ...

N = agitator shaft speed, rpm or 1/s P = agitator power, kW Q = flowrate, m3/s R = scale ratio T = tank diameter, m U = velocity, m/s V = volume, m3 or L Table 2. … d p =the particle diameter (m) δρ=the difference between volumic weight of particle and of liquid abs(ρ p-ρ l) (kg/m3) D i =agitator diameter (m) X=mass solid concentration (% weight - …

Tank Diameter - an overview ScienceDirect Topics

Oct 08, 2018 design to minimize bacteria build up. Whirlpool shall have heavy duty swivel casters with locking device on rear pair of casters. Provide a turbine assembly with raising and lowering device which functions both as agitator and emptying device, permits adjustment of desired height, direction of water agitation, and can be locked into place. Mechanical Agitator Power Requirements for Liquid Batches _____ where : T = diameter of the vessel or tank. The power input to a frictionless impeller is derived in detail from a Bernoulli energy balance equation, in reference 1 page 190. This relationship is P Delivered * g c = m’ * ω * r 2 * V u2 (8) where: P Delivered = Power delivered in ...