A paddle stirrer is a versatile tool used in laboratory, industrial, and culinary settings to blend substances that require gentle, low-speed mixing without excessive turbulence or aeration. It typically consists of flat or angled blades (paddles) attached to a central rotating shaft.
Key Types and Functions
Straight Paddle: Designed for slow operation (around 80 RPM), these produce radial force and are ideal for promoting heat transfer or dissolving soluble solids in low-viscosity liquids.
Oblique/Pitched Paddle: These create axial flow (upward or downward) in addition to radial flow, offering more effective mixing for suspensions and dissolved solutions.
Laboratory vs. Industrial:
Laboratory: Often used with Overhead Stirrers for dissolution studies (e.g., USP Type II apparatus) or mixin…
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