Teck Cominco’s Red Dog zinc operation, in the DeLong Mountains of Alaska’s Brooks Range, stands as the world’s largest zinc mine, having undergone a number of expansions since entering production in 1989. Last fall, Red Dog completed the commissioning of its latest expansion, the Value Improvement Program (VIP) Mill Optimization Project. The US$105 million set of improvements that together make up the VIP Mill Optimization Project will ensure the operation maintains its low costs while handling 1.2 million tons of concentrate. The improvements include:
Two new diesel generators in a new powerhouse building
The construction of a fuel tank at the port
The installation of a new concentrate thickener, 21 new cells for the flotation circuit, and new column cells.
Upgrading the water treatment plants
On-site expansion and upgrading of the lead flotation building and several parts of the plant
CIM readers want to know about the technology, equipment and foresight that make this operation a northern power.
Henan Hongxing Mining Machinery Co., Ltd. to be aware of the founding companies to accelerate their product development and innovation, the establishment of systematic and comprehensive after-sales service network and accurately grasp the pulse of the market, organize production according to market demand, allocation of resources, optimize the product structure, develop market, increase revenue to the development of faster and better. Hongxing machines are continually improving the level of technical services, increasing R & D efforts, technology innovation and reform to meet the wave of industry equipment.
Henan Hongxing Mining Machinery Co., Ltd is a joint-stock mining machinery manufacturing enterprise integrated in scientific research, production and marketing. It is located at the High & New Technology Industries Development Zone of Zhengzhou,China with an area of 50 thousand m2 which includes 15,000 m2 of standard heavy duty industrial workshop. Equipments are more than 160 pieces, including large and medium sized metal processing, riveting and installing equipments. There are more than 660 workers including 80 administrators with secondary and senior occupational titles and engineering technicians. In order to promote the competitive strength, the advanced technologies have been introduced from America, Germany, Japan and Australia, which established the international advanced production line, first-class modern testing base as well as research centers of sand maker, mill and mine-selecting equipment. Scientific management, advanced processing technology and innovative manufacturing theory make the company become the mining machinery manufacturing and exporting base in China.
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