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Nirox supply new rotary grizzly plant to the Hi-Quality Group.

- 16th July 2008
- Quarrying
The Hi-Quality group consists of many companies. These companies are diverse in structure but all relate to the quarry industry.
Based in Sydney , Canberra and Melbourne the company has developed a customer base that includes government departments, well known building firms, civil engineering contractors and a host of valued customers in the mine & quarry sector. The company's success has been built on producing high quality products at competitive prices which allied with high levels of customer service provides an all encompassing package.
A new NIROX TRG 403 tracked rotary grizzly plant has been supplied by NIROX Ltd based in Ballymoney, Co. Antrim, Northern Ireland.
NIROX has built static and mobile rotary grizzly plants for some years and supply a product that is tried and tested throughout the world and is highly customisable to suit particular requirements.
The NIROX TRG 403 machine supplied to Hi Quality is unique in that it is totally free running on the track system making machine movement very fast and simple.
The usual high specification includes a 5.5M long heavy duty scalping drum -1.5M internal diameter which can take a 900 cubic mm lump size. The drum is divided into 2 x screening segment. A 3M scalper/clean up drum with 230 x 105 mm elongated apertures, which will remove -80mm material from the feed. And a 1.5M sizing drum with 300mm square openings, which will produce 80mm -250mm gabion/riprap. +250mm stone will come from the discharge end of the drum which can be used for rock armour or clean crusher feed.
Material is fed into a large capacity feed hopper with hydraulic folding Hardox sides, material is then passed over a heavy duty reciprocating tray feeder with variable speed hydraulic drive and limit switch to adjust the length of the stroke.
3 on board conveyors stack the fines, mid-size and over size products. These conveyors hydraulically fold for transport.
The NIROX TRG 403 supplied to Hi Quality is a highly efficient high performance primary scalping and screening system weighing in at around 45 tonnes and is powered by a Caterpillar C4 engine with 96kw. Drive is totally diesel hydraulic.
Hiquality Menangle Quarry Manager Mr, Douglas Ewan states: "Since we have put the Nirox into operation we have reclaimed old stockpiles of materials that had zero value and by scalping out the competent rock has allowed us to reclaim some 70% of saleable product. Our company can see many uses such as Gabion Rock to foreshore defence rock and with being mobile we can now travel between any of our quarries with in a day and be setup to start producing! We are looking forward to installing a large static machine in our Wallacia operation to produce Rock Armour for the Sydney market".
Further information:
NIROX Ltd
8 Bendoorah Road
Ballymoney
Co. Antrim
BT53 7NF
Northern Ireland
Tel: +44 (0)2827 668855
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