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Question: A stirred-tank reactor is to be scaled down from 10 m2 to 0.1 m3. The dimensions of the large tank are D= 2 m; D; = 0.5 m; N= 100 rpm. a. Determine the dimensions of the small tank and impeller, using geometric similarity. (15 points) b. What would be the required rotational speed of the impeller in the small tank if we want to maintain constant kla value?
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3 · Turbine Agitators : Yet another type of process agitator is the turbine agitator. Turbine agitators can create a turbulent movement of the fluids due to the combination of centrifugal and rotational motion.
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A stirred-tank reactor is to be scaled down from 10 m3 to 0.1 m3. The dimensions of the large tank are: Dt = 2 m; Di = 0.5 m; N = 100 rpm. What would be the required rotational speed of the impeller in the small tank if impeller Re number is constant?
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2011112 · Agitator rotation speed and impeller shape The selection of rotation speed depends on the liquid properties, the purpose of agitation, and the operating conditions. Select an optimum rotation speed in the medium speed range, low speed range, and high speed range according to the liquid properties and the purpose of agitation.
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2023111 · High quality composite materials need good homogeneity and stable liquid level. In this work, the performances of the Rotor-Stator agitator for solid suspension in stirred tank were investigated through CFD modeling, including the homogeneity, power consumption and liquid level stability.
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2023730 · The tip speed of the mixer's agitator - sometimes also called mixing tool - is the velocity at which travels the outer part of the agitator and can be calculated the following way : Equation 1 : Tip Speed calculation formula. With : - R is the radius of the mixing tool (center of shaft to tip of paddle) in m. - n is the mixing speed in rpm.
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Pulsair offers a complete line of agitator tanks for powerful liquid mixing, agitation and blending in any size tank. This efficient, large bubble mixing tank process allows liquids to be quickly mixed and blended faster. Pulsair’s Mixing tank systems use less energy and maintenance compared to conventional mixing tank methods.
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202474 · Mixing 101: Flow Patterns & Impellers Mixing Flow Patterns & Impeller Types In our article on 4 Impeller Types and Their Applications, we provided an overview on the most common types of impellers used in industrial mixing. Now we’ll go into more detail about each impeller type and their influences on the mixing process. Our […]
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