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H4e mobile cone crusher makes UK debut at Hillhead

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World Cement,

Keestrack showcased the fully-hybrid electric version of its H4 mobile cone crusher at this year’s Hillhead show in Derbyshire. According to the company, the fully-hybrid electric model – the H4e – offers important energy savings in secondary or tertiary crushing. The H4e at Hillhead also included optional integrated prescreen and three-deck screen.

The H4e is equipped with an onboard diesel engine (345 kW (EU-IV) / 328 kW fixed speed (EU-IIIA). The engine drives a 330 kVa alternator, providing power to the 132 kW electric motor of the crusher drive and to the separate 45 kW E-motor/pump unit for all hydraulic drives on the plant (tracks/fans/screens/hydraulic cylinders).

Without starting the diesel, this setup enables the plant to operate “plugged-in” to the mains or external genset, resulting in energy cost savings up to 70% compared to conventional diesel-hydraulic plants. As an option, the H4e diesel/alternator combination is available as detachable drop-off unit. Remotely positioned during operation, this reduces dust and vibration loads for the drive unit.

The Keestrack H4e also features the KT-H4 cone crusher. The fully automated unit produces up to 250 tph at maximum feed sizes of 185 mm. The wide variety of concaves allows a high flexibility in secondary or tertiary production of highly defined end fractions.

To optimise production the plant can be optionally equipped with a prescreen with fines chute, as well as with a highly efficient three-deck secondary screen module with recycling conveyor for closed-circuit processing. The large dimensioning of the hanging screen (eff. area: 3 x 5.4 m²) and large stockpiling capacities of the conveyors prevent bottlenecking production of up to four end fractions.

The H4e can be used to crush a range of materials, including for the production of aggregates for concrete and asphalt production.

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Aggregates news Cement news 2018