Hujiahe Coal Mine Double Yard Rope ion Exchange Intelligent Protection Device Project

The design capacity of Hujiahe Coal Mine of Shaanxi Binchang Mining Co., Ltd. is 11 million tons/year. The main shaft adopts a floor-to-ceiling multi-rope friction lifting system, with a well depth of 546m, a container weight of 73 tons, a lifting rope diameter of 60mm, and the number of lifting ropes is 4. The rope spacing is 350mm and the lifting speed is 12m/s. In 2014, the mine used @TT-B/200 double-yard rope ion and exchange intelligent protection device, which is convenient to operate and runs well, providing an important guarantee for mine safety production.