FUNCTIONS OF DEWATERING SCREENS IN MINING AND QUARRYING

A battle is going on deep down inside mining installations. Technology is doing its best to tame geology. Raw earthly matter coated with dirt and mud has just been freed from a mine face or ore seam, only to collapse into a stream of dirty particulate waste. It’s hard to believe kilos of stubbornly hidden mining commodities are obscured in their primal state within this slurry, but they are, so technology has to initiate a divide-and-conquer strategy to reveal the sought after materials. This is where dewatering screens step in, acting as the scene-stealing heroes of the scene. Moisture-laden aggregate streams may at first look unmanageable, but these screening solutions can quickly take care of the problem and kick out a newly dried, slime-free discharge, all ready for further screening or final processing.

SHAPED TO SEPARATE WASTE FROM WEALTH

Modular decks and rugged engineering plastics would seem to align this product with other screening solutions, but there are key differences at hand in this wet instance. The oscillating motors focus on state separation instead of sizing, a splitting of fluid waste from solid matter. In short, the amplitude of the vibrating action is specially tuned to enable effective separation, the isolation of potentially valuable mining products from interfering moisture. The motion of the screen then partners with a slight deck incline, a layout that incorporates a gravity movement component. As solids are naturally slower moving than flowing water, the two materials divide further. The result is a build-up of drying rock or gritty sand on one side and a growing stream of water on the other. Once this stage is realized, it’s a simple matter to channel the water away from the dewatering screens and drain the moisture.

SUPPLEMENTAL ADDITIONS TO DEWATERING TECHNIQUES

The best way to envisage this next system addition is to imagine the rinse and spin action of a washing machine. Dewatering screens use this same technique, though it comes in the shape of special cleaning agents and overhead spray nozzles. The nozzles rotate and adapt to different mediums, such as a liquid cleanser or a drying stream of pressurized air. Next in this auxiliary features list comes cross-dam additions. The introduction of special ridges and planes to the flattened screening media aids in the setting up a separating momentum, a movement that definitively splits the mined grit from the water. The now dry aggregate travels up this ridge, using its coarse shape to free the water for drainage.

All-in-all, this is a thoroughly effective solution to muddy mining scenarios, one that discriminates between obvious matter states and uses mechanical differentiating smarts to feed freshly dried fine particulates forward for further screening and sizing.

Screening Technology Pty Ltd T/AS Hawk Machinery

Address: 7 Lantana St Blackburn North Vic 3130
Contact Person: Bohdan Blaszczyk
Phone: +61 3 9877 7777
Fax: +61 3 9877 8177
Mobile: 0411 099 989

Email: info@hawkmachinery.com.au

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