IM 2020 June 20 | Page 6

WORLD PROSPECTS China’s Weichai & CRRC Yongji complete FCEV mining truck Leading Chinese autonomous mining vehicle technology group TAGE Idriver (also see the detailed interview with the company's management in this issue starting page 53) announced the signing of a new deal on April 8 with leading domestic mining truck manufacturer, Baotou-based Inner Mongolia North Hauler Joint Stock Co Ltd (NHL) to partner on the supply a new fleet of 10 factory built autonomous electric drive NTE200AT 186 t class mining trucks. The deal is significant as up to now, TAGE Idriver has mainly While all eyes in the mining market are currently on Anglo American’s fuel cell electric vehicle (FCEV) 290 ton mining truck which is being developed with Williams Advanced Engineering, with hydrogen fuel cells from Ballard Power Systems and first trials still set for this year, it was actually last December 2019 when China’s leading large engines manufacturer Weichai Power announced that the first domestic FCEV for mining, a 200 ton hydrogen fuel-lithium battery mixed energy mining truck, had been completed together with CRRC Yongji, with the truck itself then revealed for the first time to the public in January this year. The truck was assembled at the Weichai factory in Yangzhou. The truck project was also supported by the China Hydrogen Alliance and the National Energy Group, with the truck itself and core control system provided by CRRC Yongji. CRRC is itself a major domestic mining truck OEM and recently launched its CR240E 240 ton electric drive truck via division CRRC Datong though the parent company CRRC is mainly known for its leading position in the rail industry including supplying China’s high speed trains. CRRC Yongji started to develop the new electric energy trucks with Weichai Group in April 2019, and replaced the traditional diesel generator system with a hydrogen fuel cell-lithium battery hybrid energy system. The control system uses a stepdown chopping method, driving the motor power up to 1,100 kW, with traction and braking functions, anti-skid during operation (anti-spin), with maximum speed control, differential control, running status detection and display, overvoltage, overcurrent, grounding and other protection. In addition to the advantages of energy saving and emission reduction, the replacement of a diesel heavy truck with hydrogen energy the companies argue is also more cost-effective in terms of use cost. Based on 45 round trips per vehicle per day, a been involved with retrofitting autonomous solutions onto existing fleets, whereas this tie-up sees it working with NHL on a new truck fleet. The fleet is to be used as part of an intelligent mine project of China’s State Power Investment Corporation (SPIC), a major national energy producer operating a number of coal mines including three 10 Mt/y open pit mines in Huolinhe, Inner Mongolia, namely the South Coal Mine, the North Coal Mine and the Zhahanur Coal Mine. SPIC has already trialled two retrofitted autonomous vehicle can save 20 t of fuel per day, which is equivalent to saving 21,739 litres of diesel (1 litre equals 0.92 kg). Calculated on the basis of saving one litre of diesel and reducing 2.63 kg of carbon dioxide, it is equivalent to reducing 57,174 kg of carbon dioxide emissions (about 57 t) per vehicle per day, so has a significant energy saving effect. Weichai told IM that is now talking to mining groups in the region about setting up hydrogen infrastructure to enable trialling of the machine to commence. www.en.weichai.com; www.crrcgc.cc/yjdjen NHL and TAGE Idriver collaborating on 186 t auto truck fleet XEMC 108 t SF31904 dump trucks developed with TAGE Idriver at its operations. TAGE Idriver said the new unmanned mining fleet shows that the commercial application of its unmanned driving technology has reached a new level, and it also proves that the era of unmanned transportation in open-pit mines in China is coming. NHL is China’s largest mining truck manufacturer, with over 80% of the domestic market share; while Tage Idriver is a leading company in the field of unmanned transportation systems in China’s mining industry. As early as July 2018, the two parties signed a strategic cooperation agreement, and in August of the same year, successfully completed a field test for the closed-loop operation of an unmanned mine truck. In 2019, TAGE Idriver then began cooperating further with NHL and they jointly developed a number of retrofitted unmanned mining units of 170 t class, which are now being used in the Baosteel Baiyun Obo iron ore mine. Currently, a fleet of four unmanned mining trucks are working with two electric shovels at the operation. For its part, NHL has also developed its own factory built NTE120AT 110 t autonomous mining truck. TAGE Idriver and NHL say they are now jointly promoting the unmanned mining vehicles in openpit mines and the acceleration of the construction of smart mines based on the principle of “complementary advantages, resource sharing, and common development.” www.i-tage.com; www.en.chinanhl.com 4 International Mining | JUNE 2020