When we place a series of vibrating screens in a production cycle, we gain the ability to dynamically separate matter, thus liberating the precious ore that’s locked in nondescript rocks. Naturally, the issue of screening valuable minerals is the first to jump to the fore, but vibratory screening has found its way into many more industries. Grain feed processing uses milling to produce a fine fractional component and a coarser constituent, powdery flour and flakes that rely on the sizing grids of a vibrating screen. The same scenario works round the clock to produce varying grades of animal feed, outputting anything from feed pellets to huge quantities of precisely sorted poultry seed. Check out a sample of comparable screening solutions, with each one dependent on a vibratory mechanism.
These brute force assemblies rely on powerful drive systems and customized screening grids to advance all manner of junk through a sorting process. The vibrating decks and the body of the machinery both adopt a rugged construction that can withstand any rough edges and knotted messes entering the flow, all while maintaining a high throughput.
Underground mining and quarrying operations benefit from the incorporation of a high-frequency exciter stage, combining the motor-driven motion with sieve-like polyurethane apertures to ‘dewater’ the muddy flow. This mess of blended particulates and moisture is caused by the natural presence of underground water, but wet screening rids the ore-rich rock of dampness. The dry particulate is then free to move on to further sorting stages. Coal mining takes this water discharging action further, de-sliming, washing, and scrubbing black anthracite until it’s drip-free.
The recovery of precious metals is one application where basic separation isn’t enough. Instead, several sorting solutions are incorporated into one inline process. Gold mining and the freeing of precious gems adheres to this form of screening, using a vibratory component to maximize the cost-effectiveness of the operation. It’s not uncommon to see this system mounted as a cascading series of primary and secondary sorting grids, with the ore pushed through the apertures by a spray of water discharged from a ‘washing tower.’
Centrifugal action powers the high-frequency vibrating screens that are used to separate fine powders. Imagine ultra-fine pharmaceutical products and powdered ingredients in a food production process. Anything from too much humidity to an unfortunate ‘clumping’ phenomenon can affect screening at this refined level if the offset motion of the gyrating mechanism is maladjusted. One other application of note in our gyrating screen example is liquid separation. The classification of paint mixes and the regulation of an emulsified paper suspension are two such applications.
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
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