Application Note | August 18, 2014

Recommended Blending Equipment For Feeds And Fertilizers

Source: Charles Ross and Son Company

Ribbon Blenders are well-proven equipment used in batch production of feeds and fertilizers. Ingredients are loaded into the U-shaped trough and mixed by a horizontal solid-shaft agitator consisting of inner and outer helical ribbons. A full load usually corresponds to a product level around the outer ribbon’s tip, allowing enough headroom for the materials to be vigorously agitated. Minor liquid components are typically sprayed at a controlled rate during the blending cycle using atomizing nozzles.

Ross Ribbon Blenders are expertly fabricated to close tolerances to ensure consistent and accurate performance over a long service life. The position and precise pitch of the ribbons produce a well-balanced axial and radial flow pattern, promoting fast and thorough mixing despite differences in particle shape, size and density. Maximum tip speeds in the neighborhood of 300 ft/min are typical but with variable speed control, the blending action can be fine-tuned and optimized according to the characteristics of a particular recipe. When developing a new product, manufacturers can take advantage of trial/rental units prior to scaling up to a production-size Ross Ribbon Blender.

For relatively shear-sensitive compositions, Ross offers gentler mixer alternatives including Cone Screw Vertical Blenders and Tumble Blenders.

For full access to this content, please Register or Sign In.

Access Content Recommended Blending Equipment For Feeds and Fertilizers