Tarmac- Hendre Quarry takes delivery of a GipoRec R131C mobile crushing plant

22nd March 2007

Tarmac has just taken delivery of a GipoRec R131C GIGA mobile crushing plant for processing limestone at their Hendre Quarry, North Wales.

Supplied by Aggregate, Processing and Recycling (APR) of Tamworth the heavy duty machine comes complete with a 3500 x 1550mm demountable screen unit.

Weighing in at 58 tonnes the new machine has the ability to take a large feed size at up to 350 tph throughput, which combined with the versatile demountable screen allows the machine to be employed on three main tasks required by Tarmac - producing type 1 from excess oversize products @ 220 tph, producing 20-5 from oversize products @ 180 tph and working at the face as a primary crusher @ 250 tph.

Built to a high specification, a tracked heavy-duty chassis with increased ground clearance carries a P131 impact crusher -1.3m wide, including a fully variable speed hydraulic drive system for the crusher and all components.

With a hopper capacity of 10m³, material passes over a grizzly feeder (with an integrated by pass system) into the impactor. An under crusher feeder passes material to the demountable screen which is then conveyed to stockpile via an outflow conveyor. Additionally, a recirculation conveyor provides the option of stockpiling radially through 180 degrees for extended stockpile heights of 3.4m or simply returning the oversize stone back to the crusher for re-crushing in close circuit.

Complete with full radio control the GipoRec R131C GIGA is fitted with a dust suppression system, and is driven by a Caterpillar C13 Acert Engine. The Cat engine is stage 3 emission compliant and is one of the few that actually conform to this level of emission.

All access steps, walkways and guards were fitted to Tarmac approval prior to delivery.

One of the key elements of the GipoRec R131C GIGA is the versatility of the demountable screen. Jointly developed by Gipo and APR the system is probably one of the most flexible, highly useable, mobile screening systems that can be connected to a mobile crushing plant. Available as an optional item the major advantages of the screening system are the complete system (crusher and screen) can be transported easily as one unit without any dismantling. Upon arrival on site the complete unit is simply tracked into position and is operational within two minutes.

Removal is relatively simple; disconnection takes less than 30 minutes and requires no special lifting equipment. Reconnection is also an easy task, simply track along the crusher to the screening unit, and reconnection is complete in approximately 30 minutes.

Maintenance issues are also non problematic; a few minutes simply lowering the screening unit allows full maintenance and screen cleaning/mesh changing.

Andrew Baker, Quarry Manager, commented: "This investment will provide us with greater working flexibility at the quarry; we selected the Gipo machine because of its greater performance and superior specification. We were also very impressed with APR who were extremely efficient and paid a lot of attention to the fine details."

 

 

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The R131C GIGA is a mobile impactor with single-deck screening unit.

The basic models Giporec R 100 and Giporec R 131

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