The common feature of the impact crusher is that the ore has a high impact speed or the crusher of the crusher has a high strike speed. The ore impacts the fixed wall at a high speed and the broken or broken part hits the ore at a high strike speed to make the ore. Breaking, a common disadvantage brought by this feature is that the fixed wall or the striking plate is seriously worn. For brittle non-metallic ores such as chemical raw materials, cement clinker, etc., it can basically withstand this wear problem, but for hardness Large, tough metal ore, this wear is unbearable, so this type of equipment has to be widely promoted in metal mines, and the problem that must be solved is wear. The vertical impact crusher uses self-lining to greatly reduce the wear and tear, making it possible to use it in metal mines. However, the high rotor or turntable speed makes the design and production precision requirements high, and the equipment becomes large. Difficulties, this has become another problem in the application of such equipment in metal mines.
Water-washing cone crusher , WF-water cone crusher is a large-scale ultra-fine crushing equipment successfully developed by Nordberg Company of the United States. This equipment has been industrially applied by foreign manufacturers and has achieved good results. When the equipment is crushed with ore in a metal mine, the final particle size can reach 8 mm, and the crushing of the water eliminates the "padding effect" of the fine-grained grade, which greatly reduces the energy consumption of the crushing. Our Yunnan Tin companies and Panzhihua Iron and Steel Group Company are of such equipment conducted extensive research, but believes the device and general principles of cone crusher is similar, but has been improved in terms of large-scale crushing aspects of adding water and equipment, Fine grain size is achieved by precision manufacturing of the equipment. The equipment is complex in structure and expensive, and no examples of successful applications have been seen in China at present.
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