Iron ore is widely used in all aspects of industrial production and people's life. It is the basic required material of social production and public life. Iron ore can be used to make iron and steel products, ammonia catalyst, natural mineral pigments, feed additives and valuable constructive criticism. Iron ore crushing which ore crushed by force to overcome its internal inter-molecular forces, so that ore block granularity is gradually shrinking. Crushing the ore is essential to the preparation stage before beneficiation, but also to achieve the separation of mineral ore and gangue, accelerating the useful mineral enrichment. In vast majority, the useful minerals and iron ore gangue minerals is closely together with each other and often fine-grained mosaic distribution. Only by pulverized sufficiently, we can make them dissociated with physical processing methods and enriched to obtain high purity iron ore. And then, it can be applied to industry production and life.
The Mohs hardness of Iron ore is 4-5, which belongs to medium-hard materials. Iron ore crushing is very suitable for the use of equipment capable of handling more than medium-hard materials. The selection of Iron ore crusher machine can usually be selected according to the processing requirements of iron ore. The common iron ore crusher includes jaw crusher for iron ore and impact crusher for iron ore.
The former jaw crusher uses integral steel structure of bearing, avoiding unnecessary burden of two type bearing chamber for frame brings. It also enhances the stability of the whole structure. In addition, the heavy eccentric shaft was processed by forging, which ensure jaw crusher has superior reliability. Its "V" type of crushing chamber and the toothed plate is more reasonable. Equipped with a hydraulic oil station, the machine lubrication system can meet the need of every parts and provide protection for the machine to operate safely.
The latter impact crusher made of world-class manufacturing processes. It not only ensures the quality of the rotor parts, but also makes the machine runs more reliable. The hydraulic control system can be quickly adjusts outlet size and grain size. Its automatic hydraulic open device can quickly complete the plate hammer, the replacement of wearing parts, reduce downtime and maintenance time. In the coarse crushing operations, two crushing chamber can simplify the process; in the fine operation in the crushing chamber, three showed extraordinary. Two kinds of cavity can meet the requirements of the vast majority of coarse and fine crushing.
The purpose of developing the iron ore fine crushing machine is to be highly enriched low-grade iron ore and to fully exploit the poor iron ore resources. Iron ore fine crushing machine is the equipment used to processing iron ore to a minimum granularity. At present, the commonly used iron ore crushing machine includes: hammer crusher, efficient crushing machine, roll crusher, cone crusher and super vertical shaft impact crusher developed in recent years. The working principle of crushing machines is different from each other and each with their own characteristics, such as hammer crusher has a simple structure, cheap cost characteristics. Meanwhile, the yield of hammer crushing machine can be subject to certain restrictions and it is only suitable for smaller-scale iron ore production in selected fields. When hammer crusher used in large production more than 100t/h of the crushing operation, the equipment failure rate will be significantly increased, it will dramatically increase the repair and maintenance costs and reduce its applicability.
In Australia, Brazil, Canada, India , the United States , Bolivia, France, Sweden , Venezuela and other country rich in iron ore resources, scattered distribution of iron ore resources coupled with relatively large land area make the application of traditional iron ore stone crusher and stationary iron ore crushing production line has been limited. Because of this fixed production equipment has high infrastructure costs, so the iron ore mobile crushing plant is widely used in the industry. Iron ore mobile crusher is a new rock crushing machine, which greatly expand the crushing operations in the field. It is equipped with vibrating feeder, jaw crusher, impact crusher, cone crusher and vibrating screens and other equipment. Integrated plant design and good mobility help achieve the simplification of infrastructure installation, reducing the material consumption. It can conduct on-site crushing for first-line material, which greatly reducing the transportation costs. Each device can be used independently, but also can associate with each other to meet product requirements of customers, providing a more flexible process configuration to meet the various requirements of mobile crushing, screening and so on.
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