kara liu

摘要： Ning Wu iron ore area has 30 deposits and dozens of mineralization points, the ore type are siderite, pyrite, hematite, magnetite, an illusion of one. Ore are mainly constructed as the type of massive, disseminated, brecciated . the area of Magang Nanshan iron ore are the most characteristic mine. M 阅读全文

摘要： Mining crusher, crushing machinery is the equipment whose content is more than 50% of the total ,and particles larger than three millimeters. It is invented by British Heng. Crushing operations often according to the size of feeding and nesting granularity were divided into the rough broken in piece 阅读全文

摘要： Rare earth mine in the earth's crust is mainly in the existence of mineral form , its mode of occurrence is three ways: as the basic elements of the mineral, rare earth ionic compounds occurrence in the mineral lattice, constitutes the essential ingredients of mineral. these minerals are usually 阅读全文

摘要： It is understood that the problems of the crusher at work occurred, we should pay attention to the following points: A. When the Crusher is working, we should pay attention whether the nesting is smooth, which is an important part of the machines work properly. At the design time, although we made s 阅读全文