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With space technology, new energy utilization and atomic energy technology develops rapidly, refractory materials have a wide application by right of advantages of thermostability, corrosion resistance and washing-out resistance. Some refractory materials are used in electric resistance furnace, such as chamotte brick, alumina brick, chrome-magnesite brick and dolomite brick; some materials are used in furnace […]

Correct operation, reasonable and regular maintenance, accurate and timely judgment and elimination of possible faults are very important for jaw crusher operation. Here we will check eight common faults and solutions in the operation of jaw crusher. 1. When the jaw crusher is idling, the metal impact sound appears at the lower part. It may […]

The size of a jaw crusher is usually expressed as gape x width. The common crusher types, sizes and their performance is summarized in Table 1.1.Currently, the dimension of the largest Blake-type jaw crusher in use is 1600 mm x 2514 mm with motor ratings of 250-300 kW. Crushers of this size are manufactured by […]

Hydraulic cone crusher is a high performance crusher by introducing German high-end technology, combining with the metal material properties. It is mainly used for metal mining, construction sand and gravel secondary crushing. Because of its high capacity and production, it is used to crushing hard materials. Different from traditional cone crusher, hydraulic cone crusher adopts […]

Crusher is one of the most useful mining machinery. With the development of technology and requirement of application, there are more and more kinds of crusher satisfying different production. Firstly, you should know about your raw materials. The impact crusher can crush many kinds of ores except simple metal or the flammable and explosive materials. […]

Since the mid-1990s, with the development of new wear-resistant materials and the continuous improvement of vertical grinding technology, developed countries such as Germany and Japan have taken the lead in using vertical mill to grind slag and achieved success. Compared with other grinding systems, slag vertical mill integrates drying, grinding and powder separation together, which […]