January 21, 2016

21/01/2016: Case study: Wheat for glue blended six times faster with rotary batch mixer


First published in Milling and Grain, October 2015

Idaho Milling and Grain has produced wheat flour since 1982 in a process that involves measuring, milling and mixing. But this is not a refined baking flour for cookies and cakes. Instead Idaho Milling and Grain produces industrial-grade wheat flour that is formulated into a glue extender for the wood products industry.

Glue extenders are used to bond thin sheets of layered wood veneer that form structural plywood. These rugged compounds are also key elements in adhesives, sealants, coatings, plastics and cleaning compounds. Idaho Milling was able to reduce glue extender production time from 2 hours to 20 minutes per batch cycle by replacing its existing ribbon blender with a Munson model 700-TS-110-MS Rotary Batch Mixer. The company increased product quality and practically eliminated residual material in the machine after each batch.

Tumble, turn, cut and fold action produces uniform blends

The flour production process begins when raw wheat stock arrives from local farms during harvest. The wheat is tested for moisture and protein, blended to target protein content, and cleaned to remove foreign seed, sticks, chaff, and other residue. Afterward, it is tempered by adding water to toughen the bran coat. The wheat is then milled into glue extender by running it through a series of roller mills, sifters and purifiers. It travels by pneumatic line into the 3.1 cu m capacity Munson model 700-TS-110-MS Rotary Batch Mixer, where it is blended with other proprietary ingredients. The finished extender is then conveyed pneumatically to storage bins for packaging.   

Read the full article in Milling and Grain HERE

The Global Miller
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which is published by Perendale Publishers Limited.

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