The Challenge and Kamengo’s Solution

Kamengo was chosen to deliver two truck load-out storage bins with feeders handling platinum group metals (PGM) concentrate filter cake. Each installation serves a different mine site. Each truck load-out arrangement includes a mass flow storage bin and Kamengo Feeder fitted with an integrated dust control system. Each storage bin is handling a PGM concentrate filter cake, and receives material directly from the filter press. Filter cake is expected to be stored in the storage bin up to 72 hours. To ensure material will not bridge over the Feeder, Kamengo delivered a 10-foot (3m) wide Kamengo Feeder. An advantage of choosing a Kamengo solution, is that the Kamengo Feeder handles loads very efficiently. As a result, a wide Kamengo Feeder is close to a tenth of the cost of an equally wide apron Feeder.

Both storage bins are located in a building. To minimize dusting, prior to discharging material into a truck, a Kamengo loading deck with a shroud lowers from the Kamengo Feeder over the truck bed. A dust control system holds the area within the shroud at a slight negative pressure. Air in the truck bed that is displaced by the falling filter cake is circulated first through self-cleaning filters, then through HEPA filters before being expelled into the building. Once the Feeder has completed a set number of strokes, equating the target discharge volume, the loading deck automatically raises.