Atlas Copco’s Explorac 100 - An Expert in Grade Control on the Snow-covered Plateau
Known as the “Roof of the World,” the Tibetan Plateau captivates us not only with her stunning natural beauty and pristine culture, but also with abundant mineral resources. Virtually every inch of land on the Tibetan Plateau has witnessed the hard work of Chinese miners. Among the professional mining development companies active on the Tibetan Plateau is Tibet Huatailong Mining Development Co., Ltd. (“Huatailong” for short).
Quick Sampling, Higher Efficiency
According to Mr. Wang Huan, an engineer and head of the drilling team of Huatailong’s Geological Resources Department, after introducing Atlas Copco’s Explorac 100 reverse circulation drilling rig, the hole arrangement dimensions for coring were reduced from 80m×80m to 25m×25m, perfectly meeting the company’s need to increase density in ore body grade control. And thanks to the Explorac 100’s ability to drill out rock powder directly and its high efficiency, it has helped the company greatly shorten the sampling period and improved exploration efficiency.
Mr. Tang Zenglu, Product Manager of Surface and Exploration Drilling Department at Atlas Copco’s Mining and Rock Excavation Technique Customer Center for Greater China, said that “at present, the reverse circulation drilling technology is gaining popularity worldwide. Capable of continuously and quickly taking high-quality dry samples, this cost-effective technology is the top choice for sample taking in primary exploration, ore body mining, and grade control. Atlas Copco’s new Explorac 100 reverse circulation drilling rig was specially designed for exploration at depths of 100-200m. Combining a compact, durable design with enormous power, it can be used to take high-quality samples quickly.”
Born for the Plateau, Steady and Reliable
To ensure the performance of this drill at work and minimize the impact of drilling tool replacements on the production schedule, Huatailong has also provided the drill with a 102mm Atlas Copco dual-wall reverse circulation drill pipe, an RC50 reverse circulation hammer, and 140mm drill bits. Up until November 10, 2015, the drill pipe and the reverse circulation hammer had been in use for nearly 1,500m and were still in good condition for future use.
Having used the first Explorac 100 reverse circulation drilling rig in China, Wang Huan has full confidence in this drill, saying: “This drill is technologically advanced, easy to operate, and highly automated. It will help us control ore dilution, lower ore dressing cost, boost resource utilization rates, and improve the mine’s overall profitability.”
- Coco Meng, Marketing Communication Specialist
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Surface and Exploration Drilling is a division within Atlas Copco's Mining and Rock Excavation Technique business area. It develops, manufactures, and markets rock and exploration drilling equipment for various applications in civil and geotechnical engineering, quarries and both surface as well as underground mines worldwide. Atlas Copco's strong focus on innovative product design and service support systems gives added customer value. The main production centers are in Sweden, Italy, Austria, India, Japan and China. The divisional headquarters is in Örebro, Sweden.