December 3, 2014

The modular approach employed within the train of screening decks chugging ore to the surface of a mine is an interconnecting mass of puzzle pieces designed to separate and grade the chunks that have been ripped from an exposed vein of minerals. Utilize each stage properly, pairing the optimal screen panel with a quick release mechanism, and the assembly is prepared for any eventuality. Whether manufactured with slotted apertures or manufactured as a solid panel with hi-flow openings, the process is guaranteed few interruptions during intervals of scheduled maintenance. Perhaps most cost-effective of all, each individual screen can be swapped out, exchanged to kick a worn panel out in favour of a new frame.

Rewinding back to the hi flow screen panels mentioned above, these screens leapfrog the standard 0.5 and 0.63-mm slotted apertures, opting instead for integer dimensional values in the range of 2, 3, 5, and even 6-mm. Those are some wide openings, but peak flow stages require these dimensions to ensure larger particles continue to discharge unobstructed. Additionally, if the design is being used as part of a dewatering process, overhead is a critical factor in coping with the desliming and washing that comes before water drainage. The larger perforations on the hi flow screen overcome clogging during this wet stage, but a wider decks employing stacked layers will optimize the equipment for even greater flows.

A previous article detailed the advantages of hi flow screening, but this is the first opportunity we’ve had to get to the soul and substance of the principle. Hi flow screening adopts a polyurethane fabrication standard or a stainless steel build to handle the abrasive forces and hard impacts that trouble this phase of production. General applications of this nature include mining, quarrying, and water management scenarios where equipment-confounding amounts of effluence can quickly grind a city sewage cleansing centre to a halt. The open area structure combines with the multi-stack design and the larger than average perforations to clean water, separate effluence, and generally ensure a rapid discharge without overload.

Created tough and built from formidable materials, the decks and associated screen media used in a hi flow configuration will easily maintain a discharge rate of 3000 l/s, a volume than equates to 70 MGD (million gallons per day). Tailored to meet and exceed high-volume production environments, the hi flow screen panel is an essential part of the interlocking stages of a screening operation.

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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