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Chemical Engineering

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Vertical blenders for sanitary applications under vacuum

| By Mary Page Bailey

This company’s sanitary vertical blenders (photo) are engineered for rapid homogenization and drying in delicate applications under vacuum. The design avoids the destructive effects of heat on unstable ingredients, and it promotes vaporization at lower temperatures during gentle agitation while preventing oxidation. Sanitary aspects of the machine, including the cantilevered screw without bottom support, eliminate dead zones and ensure total discharge. For cooling or heating needs, the cone wall features a 100-psig dimpled jacket with mineral-wool insulation and stainless-steel sheathing. Washdown-duty motors accommodate intensive facility-cleaning protocols. — Charles Ross & Son Co, Hauppage, N.Y.