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MEI Online: Froth Flotation: Latest News: November 29th 2013


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:: FloLevel Technologies Launches New, Self-Cleaning Level Measurement Analyzer


FloLevel Technologies, an innovator of level measurement products, launches a new self-cleaning acoustic level and flow analyser for Flotation Cells. This new technology accurately measures Pulp/Slurry interface and Froth height, as well as Froth Density and Froth Flow Rate, to provide valuable process feedback to the control system. The accuracy of the FloLevel system will optimize the mineral recovery in Flotation Cells and significantly cut costs for the mining industry.

The new FloLevel Array transducers are not affected by color, density, dielectric, or by the type of mineral they are recovering. They are self-cleaning and self-checking. The transducers emit extremely high-powered acoustic sound pulses independently into the Flotation Cell at low audible levels. The pulse amplitude is great enough to cause a phenomenon called "rarefaction," which causes cavitation to be produced from the array transducer diaphragms as they pulse. The cavitation bubbles oscillate in front of the diaphragm, which cause implosions that generate high energy levels.

"We have focused on developing products that can work in very tough mining environments. Flotation Cells have a history of scale and soluble build-up issues on any device that is installed in the Pulp/Slurry, Froth areas. The FloLevel Array transducers use "active" Ultrasonic Cleaning to remove soluble and insoluble scaling and build-up. This means they will work consistently and accurately providing instantaneous feedback on ore characteristic changes," says Robert Stirling, Owner and inventor of FloLevel Technologies.

The FloLevel system is easy to install from the top of the Flotation Cell and easy to calibrate. It comes with adjustable 316SS bracket, with flange mounting options and a colour display controller mounted in a stainless steel enclosure. They can measure all types of Flotation Cell, with depths greater than 6000 mm (236") and the resolution accuracy options available are 2mm (0,08"), 15mm (0.6"), 25mm (1.00"). Various output capability options are available, like 4 x 4-20Ma, Modbus, ProfiBus, Foundation FieldBus, DeviceNet, and Ethernet.

The FloLevel Array is suitable for all mineral recovery, eg: Copper, Molybdenum, Gold, Silver, Lead, Nickel, Iron Ore, Coal, Potash, Oil Sands, Zinc, Gypsum, etc.




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