SUSPENSION FOR INDONESIAN COAL EXPORTER
One of the largest coal exporters in Indonesia has been so pleased with the Electro Suspension Magnet we supplied five years ago that they have written to tell us - and to say they would like to buy another one. The Electrical Superintendent at the Bulk Terminal in Indonesia, wrote: ‘‘This Bulk Terminal purchased two type 125 OCW 40 suspension electro magnets from Master Magnets in 2002. These magnets have performed extremely well in the time they have been installed. Therefore, I wish to enquire as to the price and availability of an additional magnet of the same type.’’ The terminal receives coal by barge from the mine sites, one of a few bulk coal terminals in Kalimantan, Indonesia, that is capable of loading directly to vessels. It needed a magnetic separator to help process coal, which was occasionally contaminated with ferrous materials that came from mining machinery, such as drill bits, rods, and loader teeth.
Special design
Master Magnets built an Electro Suspension Magnet to efficiently extract ferrous contamination from the coal supply line. Capable of operating across a 1600mm wide conveyor belt, and producing in excess of 540 gauss, it was specially designed to operate continuously at a temperature of 30-40 °C. The magnet enabled the terminal to produce 2500 TPH and, during the first year of operation, was able to produce 10 million tonnes of clean coal.
Electro Suspension Magnets are generally suspended above a conveyor with sling chains giving correct angle incline with the conveyor. An electro suspension magnet can be deenergized and repositioned away from the conveyor belt to allow for cleaning the magnet.
As the magnet only needs to extract the occasional tramp ferrous it doesn’t require constant cleaning. An Electro Suspension Magnet is also oil cooled to keep the magnet operating efficiently and to disperse the heat and operate in high ambient temperatures.
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