Kamengo

Grain Screenings Storage And Feed (1988)

Pacific Elevators, in Vancouver, Canada searched the world to solve the hang-ups in its grain screenings silo, and found a solution in its backyard.

Their screenings silo was originally designed to hold grain, but the plant began using the silo to store grain screenings, which were pelleted for shipping. However, because production of screenings would outpace the pellet mills’ capacity, the screenings would be left in the silo for extended periods of time. During storage, the screening would consolidate and bridge. The plant tried all kinds of methods to promote the flow of screenings, but nothing worked.

In 1988, Kamengo installed a Kamengo Feeder under two screening storage vessels, including a 100-foot tall bin that holds up to 200 tons of screenings that could be kept in storage for up to a month. Kamengo also retrofitted an 80-foot high screenings silo. Prior to the retrofit, the plant would have to clear buildup along the silo walls, but since the retrofit there has been no buildup of screenings. Since the retrofit, the plant has had reliable feed from its screening silos with no bridging.

Of note, despite the high volume of storage above the feeders, they are driven by simple compressor-driven air cylinders.

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