High speed bentonite mixers use a rotating head (e.g., a rotor-stator structure) to generate high shear forces, with shear rates reaching 20,000 to 100,000 s⁻¹, typically at rotational speeds of 10-50 m/s (up to 3,600 rev/min). This shear force quickly breaks down agglomerates between bentonite particles, dispersing them evenly in water to form a colloidal suspension. In addition to bentonite, the equipment can also process immiscible liquids such as water, cement, and additives (e.g., oil-water interfaces). The multi-directional velocity components (rotational, longitudinal, horizontal, vertical, and radial) generated by the rotating head achieve uniform mixing and reduce droplet size to 2-10 µm.
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