SPECIALIST EQUIPMENT
and globally proven manufacturing services.” Pomfret adds: “T e packages
deploy technologies whose availability and application may have been too fragmented or unmanageable and put into the ‘too hard’ basket. But now the environmental safety and profi t waste issues raised by dust and spillage have placed these issues high on the industry agendas worldwide.”
Transfer control stations Chute Technology’s dust and spillage technologies feature dust-minimising transfer control stations on material handling conveyor belts, as a component of energy effi cient and water-conserving technology packages for new and retrofi t loadout facility projects. T e new transfer stations and associated downstream technology minimise the amount of dust created in the fi rst place, reducing water needs as well as energy required for dust collection fans and fi lter houses. T ey contain whatever dust is created within the transfer point, minimising harm to the surrounding environment. T e new transfer technologies also
curtail spillage and optimise conveyor belt width loading potentials by eliminating the disruptive steep drops and turns in conventional chutes that cause dust, blockages, spillage and wear. “Instead of having huge energy- sucking extraction installations to collect up dust that escapes conventional chute designs, we cost-eff ectively engineer new transfer stations based on passive dust control principles with de-aeration chambers,” explains Pomfret.
In-service examples of the technology have cut dust emissions from 2700mg/m3
in the transfer
station on a 650tph alumina conveyer in Australia to well within the client’s target of less than 1000mg/m3
. In
addition, the heavily reduced dust load was contained within the transfer station, rather than allowed to be able to escape to the atmosphere and onto surrounding valuable arable land. T e company reports that outstanding results have also been achieved on ore and coal installations, including a power station coal feeder in the USA where new chute systems, engineered and modelled to achieve design fl ow rates of 1,000tph, increased throughput nearly 50% while reducing spillage and dusting in the yard by 98%. T e Chute Technology engineering
group targets problems common to many coal and ore plants and loading systems by addressing them with the combination of three skill sets, comprising advanced engineering analysis of fl ow from Dennis Pomfret Engineering, followed by upscaleable 3D DEM design processes from Chute Technology partner Mckajj Services and custom manufacturing to individual plant needs by partner TW Woods. T e combined technologies are complemented by the practical experience of each of the three principal partners in Chute Technology, who have combined experience of more than 80 years in a wide variety of resource industries including coal, iron ore, alumina and limestone across Australia, the USA,
I
n addition to designing new
systems, value-adding services that Chute Technology focuses on include: increased tonnes per hour, more product delivered in a shorter time at lower OPEX; reduced wear rates, reduced consumables, labour and downtime; and control of spillage, dust and clean-up, for a safer and safety compliant workplace
Left: Innovative chute solutions help to avoid spillage and dust
www.engineerlive.com 39
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