Typical velocity gradients are 50 to 80 sec-1 (see Q&A in online version to learn more). A more viscous liquid will have a lower velocity gradient. Digital valve controls printing of batch tickets interface with pumps and load cells, and other functions are also programmed into the mixer control panel. Velocity gradient is a measure of mixing intensity, where the gradient is measured per unit time and is a function of power input, liquid viscosity and digester volume. The Ross VersaMix can be supplied with a third agitator, such as a sawtooth disc blade or a screw auger.Ĭonveniently operated from a 15” HMI touchscreen with a customizable recipe system, this mixer allows for accurate and efficient batching based on speed, time, temperature, and vacuum pressure. The finished product may take on the consistency of a thickened gel, paste, or slurry. After the powder induction step, the VM-600 can handle a significant increase in viscosity because the combined mixing action of Anchor and High Shear Mixer ensures adequate turnover. Volume of an oval tank is calculated by finding the area, A, of the end, which is the shape of a stadium, and multiplying it by the length, l. The second agitator is a Two-Wing Anchor equipped with hinged Teflon scrapers for consistent heat transfer across the vessel sidewalls and bottom which could be jacketed for temperature control. This method of material addition accelerates powder wet-out and dramatically minimizes issues like agglomeration (fisheyes), floating powders, and dusting. Featuring a High Shear Mixer with SLIM Technology, the rotor/stator assembly of the VM-600 creates a powerful suction that draws solids sub-surface, directly into the high-shear zone. The pictured VersaMix Model VM-600 is a 600-gal capacity dual-shaft mixer designed for deep vacuum levels.
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