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A new Rotary Continuous Mixer from Munson Machinery, model RCM-16X4-SS, provides high-volume, continuous mixing of bulk solid materials with or without liquid additions at low cost per unit of output.
Unlike mixers that force agitators through stationary material, the rotary continuous design features a 16 in. (41 cm) diameter by 48 in. (122 cm) long cylindrical drum with proprietary mixing flights that gently fold, tumble, cut, and turn the material with little or no abrasive wear or product degradation.
An optional internal stainless steel spray line distributes liquids evenly onto a wide bed of cascading material for uniform coating, de-dusting, perfuming, agglomerating and conditioning of materials with no overspray onto drum surfaces.
Constructed of stainless steel finished to sanitary or industrial standards, the unit features a stationary inlet and outlet that can be hard-piped to upstream and downstream equipment. Dust-tight seals preclude contamination of the product and plant environment, and are mounted externally, allowing rapid replacement.
The half-horsepower (.37 kW) electric motor rotates the drum from 8 to 10 RPM, producing homogeneous blends at rates of 85 cu ft/h (2.4 m3/h) at one minute residence time, and 42 cu ft/h (1.2 m3/h) at two minutes residence time typical.
The drum angle can be inclined from 0° to 2° to vary product residence time and throughput rate. A weir (dam) allows materials to build a "residence volume" of uniform blends that overflow into a discharge chute. An optional reversing weir thoroughly evacuates material at the conclusion of production runs, allowing rapid clean-out and product changeover.
The mixing drum rides on either external Nylon or alloy steel "trunnion rollers," eliminating the need for internal shafts and seals that would otherwise require cleaning and maintenance.
Typical applications include cereals, powdered drink mixes, snack foods, pet foods, seasonings and nutraceuticals, as well as detergents, catalysts, pesticides, fertilizers and other bulk chemicals.
The company manufactures Rotary Continuous Mixers in nine sizes from 16 in. (40.6 cm) in diameter and 4 ft. (121.9 cm) long, to 72 in. (182.9 cm) in diameter and 24 ft. (731.5 cm) long.
Other Munson mixing and blending equipment includes Rotary Batch Mixers, Ribbon/Paddle/Plow Blenders, Vee-Cone Blenders, Fluidized Bed Mixers and Variable Intensity Blenders. The company’s size reduction equipment includes Pin Mills, Lump Breakers, Screen Classifying Cutters, Rotary Knife Cutters, Hammer Mills and Shredders.
