An Industrial Superconducting High Gradient Magnetic Separator
An industrial superconducting high gradient magnetic separator was designed, fabricated, assembled, tested and placed in operation. It is used to process clay. It has been operating continuously since the early part of May 1986. The warm bore is 87 inches in diameter. The maximum field of 2 tesla can be generated in less than 60 seconds with equal time for decay. Tests were conducted on heat leaks, ramp losses, steady state losses, liquefier capability, protection schemes, power supply operation, and liquid nitrogen requirements. The iron enclosure was designed to insure a uniform and linear field to 2 tesla. The cryogenic system was designed for present and future expansion requirements. The conductor is niobium-titanium and cryostable. Comparison with conventional water-cooled units will be made. Discrepancies between design and operating characteristics will be presented.
KeywordsLiquid Helium Voltage Power Supply High Voltage Power Supply Pole Piece Heat Leak
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