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Electric vehicles, battery chargers set to offer more sustainable mining

An image of Miller Technology's new Relay electric mining vehicle

REACHING NEW DEPTHS The Relay electric mining vehicles were developed especially for the underground mining environment

26th November 2021

     

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Specialist mining services provider Becker Mining South Africa has been appointed distributor in Southern and Central Africa by leading mobile mining equipment supplier Miller Technology.

Becker Mining South Africa now supplies and supports Miller’s new range of Relay electric mining vehicles – developed especially for the underground mining environment.

The Relay electric mining vehicle has been custom designed with an advanced battery management system which makes it one of the most environmentally safe and efficient light-duty mining vehicles of its kind.

“Becker Mining Australia and Miller Technology have teamed up recently on a project in Australia, to help reduce the mining sector’s greenhouse gas emissions and we are proud to now be part of this initiative in Africa. The Becker Mining team is also committed to contributing to a safer and more sustainable mining environment,” explains Becker Mining South Africa energy sales senior GM Nico de Lange.

“Miller Technology has designed and produced vehicles in Canada for over 40 years, for specific mining applications. In an initiative to develop new technologies for cleaner and safer mining, the company has extended the development of its battery electric vehicle (BEV) technology, with the recent launch of the Relay BEV, which is now available in Africa.

“The Relay is a new fully electric mining vehicle – purpose-designed for the mining sector – with a durable and modular construction and features for easy control and serviceability. This robust vehicle provides 1 550 Nm of torque and can safely carry a 2-t payload, with a maximum operating speed of 110 km/h.”

The Relay has an advanced rechargeable energy storage system and is capable of being fully charged in less than 20 minutes, for a ten-hour mining shift. If the topology of the mine is suitable, regenerative braking technology offers up to two hours of additional operating time.

The Relay is designed for on-board and off-board charging, through a combined charging system type 2 – one of the most convenient and widely adopted charging standards. These chargers are liquid cooled, with an enclosure that has an ingress protection rating of IP65.

Modifications – including additional safety and enhanced filtration features – have been made, to improve performance in harsh mining conditions.

This electric mining vehicle also offers reduced noise levels and advanced cooling and temperature monitoring capabilities. Other notable features for high performance and greater safety include fire suppression systems, programmable zone control facilities, integrated onboard diagnostics and comprehensive on-board data logging, with bidirectional data transfer using Wi-Fi or long-term evolution networks.

The Relay’s intrinsically safe methane monitoring system initially analyses for methane. If results are clear, the vehicle's 24 V system is energised, enabling pre-start diagnostics. If methane is detected during service, the system will default back to the intrinsically safe system.

These electric mining vehicles are fitted with puncture-resistant segmented rubber tyres, with an open construction. In the event of shredded segments, each damaged segment can be replaced, without having to remove the rim.

Becker Mining South Africa, which is committed to the highest standards in quality and safety in the mining sector, has a fully trained service team that supports these new electric mining vehicles and charging units throughout Africa.

This new equipment enhances the company’s extensive product portfolio, which comprises high-performance, fit-for-purpose transportation, energy, automation and communication systems for underground and surface mining installations. Becker Mining also offers intrinsically safe and flameproof underground electrical reticulation products, as well as fluid transfer, rigging, rope attachment, steel arch tunnel support and chairlift solutions. An important feature of all systems is they are designed to facilitate future upgrades.

Edited by Nadine James
Features Deputy Editor

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