THE PURPOSES OF SCALPING IN MINING

Mining employees shouldn’t grow alarmed when they see the topic of today’s discourse, for scalping in mining has nothing to do with staking a claim on the tops of their heads. Relax, this is a purely mechanical process, a material handling stage that’s designed to work in conjunction with a primary crusher so that streams of rough-hewn rocky matter can be tamed.

THE COARSE TIP OF THE MINING SPEARHEAD

Scalping in mining collects and disposes of the foreign materials that find their way into the aggregate stream. The alloy-reinforced deck is manufactured from slabs of toughened metal, so masses of geological detritus can fall into the frame without damaging its densely fabricated backbone. It’s at this critical juncture that the so-called “first cut” of mined material really challenges man’s engineering acumen, but the design is not found wanting, for the heavily abrasive fragments of just excavated rock are quickly defused of kinetic energy.

PRE-SCREENING SOLUTIONS BEGIN WITH SCALPING

Previous articles have highlighted this process as a means of efficiently ejecting unmanageably dense and oversized fragments of mined rock face. The mechanism works in concert with the primary crusher to intelligently screen fist-sized chunks by using polyurethane-coated screening media. Resized material passes through the arrays of apertures within the scalp panels, but stubbornly uncrushed debris flips around for another pass, another journey through the crushing jaws until all evidence of coarse matter has been extinguished and the streamlined material is again on the move, carried by a conveyor system towards the next stage of the mining process.

ADDRESSES THE FOREIGN MATERIAL SEPARATION PROBLEM

There’s still a couple of items on our purpose defining agenda. Next, this mechanism weathers the geological storm when a near explosive body of freshly mined rock loads its armoured deck. Clouds of dust rise dynamically as the fast-moving stream of high-tonnage material arrives. Among this explosive drop of pre-processed material, there’s also all sorts of junk. Twigs and roots are mixed in with bits of slag metal and sharp glass. Thankfully, this mechanism is particularly adept when it comes to ejecting junk.

As a first-cut first line of defense, scalping in mining acts as the leading edge of the mining process, one that also introduces the first-cut to a cursory screening cycle. The toughened machinery defuses the high-tonnage stream while simultaneously removing coarse matter and unprocessable detritus. It also makes for a fine “riprap” solution, a machine that sorts sizeable chunks of rock so that they can be used for reinforcing eroded shorelines.

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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