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turbine impellers
The Mixing Solutions line of turbine impellers come in a variety of styles and are highly adaptable to a vast array of applications.
The flat blade turbine is effective for very high torque applications and is primarily used for blending at the expense of efficiency, or when high shear is required. Examples of this include: liquid-liquid emulsions or high intensity solids scrubbing. The flat blade turbine is not generally recommended for gas dispersion applications.
The curved blade turbine is the most flow-efficient radial flow impeller used to break up plug flow in flow-velocity sensitive applications, such as in a multi-stage aluminum digester, for example. It is also prevalently used where high wall velocity is required, such as in heat transfer applications.
Disc Turbines were often the impeller of choice for gas dispersion applications but are now often being superceded by the high solidity hydrofoil and/or the Smith turbine. Primarily used for very high intensity mixing applications where low power number impellers would tend to be too large, the Mixing Solutions Ruston Turbine impeller has a power number of 4.75, the highest of any common impeller.
Designed specifically for gas dispersion applications, the Smith Turbine offers a unique blade design that handles higher gas rates for improved process efficiency. The Smith Turbine is characterised by curved pipe sections mounted to a disc. This configuration results in a lower power number (ungassed = 3.20) and increased efficiency.
The pitched blade turbine has been the mainstay of the mixing industry for decades. Still used in many applications today this impeller produces axial flow whilst imparting varying degrees of shear. By varying blade width and pitch angle, these impellers can be configured to optimise process performance.
