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HI-FLOW DEWATERING HORIZONTAL SCREENS AND ITS APPLICATIONS

The stages and assemblages that define a production environment embrace modular construction purpose-built to deliver a final product. Move further back in the process stage and we arrive at raw materials, the slurry and unrefined solids that form the input junctures and output stockpiles before they’re further processed or transported to another series of machinery. Dewatering is one such critical stage. The process removes water from particulate matter brought to the surface of a mine, clears waste water from just cleaned trash or recycled material. It’s a stage that acts as a conduit between raw matter and dry material, between pumping in fluid and removing the fluid once washing is accomplished.

Processing the mix, segregating fluid and deposited solid matter, involves a linear infrastructure that integrates within a larger process. For example, pumping large quantities of water out of a mine is the role of submersible assemblies powered by high-wattage electric motors, but the same water holds the mined material suspended in a muddy mass. Sticking with the example of a mine, the dewatering process splits water from ore, removes clay and soil from coal and limestone. A hi-flow dewatering screen configured for horizontal operation supports this cleansing dynamic, efficiently draining water through slotted aperture and small drainage holes.

The active part of the mechanism comes from the driving force of at least one powerful motor, either electrically powered or driven by a diesel fuel. These motive devices interface with exciters, mechanical assemblies designed to move the horizontal screens in a vibrating cycle. We can visualize the horizontal panels as abrasion-resistant panels of polyurethane punctuated by a grid of dewatering holes and the process as a raw slurry moving from the active part of the mine to the outward face of the installation. The dewatering magic happens at some point between the two stages, removing water from particulate matter as large as hunks of mineral-rich rock and fluid from the finest ground sand. Everything in the cycle is adjustable, from the moving oscillation of the slightly out of phase motors to the size of the horizontal screens. No special tools are necessary. Simply adjust a counterweight on the exciter to configure the amplitude of the linear vibrations, and replace the horizontal screen with a panel sporting finer holes.

The day-to-day operation of a recycling plant is supported by the integration of hi-flow horizontal screen, as is the cleaning of clay from granite and limestone. Add an extra dimension to the setup by applying a double-decker configuration, one screen above the other, and sizing and grading functions are added to the main dewatering function, a common practice in heavy industry where large machinery is often defined by its capacity to fill more than one role. Finally, engineers evaluate the logistical considerations of projects involving horizontal screen mechanisms, adjusting for velocity of output, hence the hi-flow label, adding other factors that include the type of media flowing across the screen, the average size of the particulate matter, and the scalping of secondary material from the mix.

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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