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The diamond is an extremely rare mineral composed
by：Tanco Tire,Timax Tyre 2020-11-07
Because it is the hardest substance known, diamond will cut through any material. The principal use of diamonds is in jewellery with the market increasing over 250% over the past 15 years. However, not all diamonds are of gem quality, in fact most diamond deposits contain a varying proportion of industrial and gem quality stones.
Diamond crushing begins with the communition of extracted ore in preparation for further activities to achieve ore values. Crushing operations are designed to produce uniform size particles by crushing, grinding, and wet or dry classification. The capital investment and operation costs of milling equipment are high. For this reason, it is important for us to choose the suitable crushing equipment. Factors that decide the choosing of crushing machine include the value concentration of the ore, its mineralogy, hardness, and moisture content.
Crushing is a multi-staged process and may use dry or wet ore feed. Typically, primary crushing take place at the mine site. Primary crushing is accomplished by using jaw crusher or cone type crushers. Primary crushing yields chunks of ore ranging in size from 6 to 10 inches. Oversize material is passed through additional crushers and classifying equipment to achieve the desired particle size. The ore is then crushed and sized at a secondary milling facility.
Four have been killed so far and more than 54 injured in violence related to the strike at the operation, northwest of Johannesburg. Police dispersed miners gathering to protest last week by firing on crowds with rubber bullets. Shops were looted and roads blocked with burning tires. Impala will re-employ the dismissed workers under their former terms and conditions if they apply by 29 February, the company said. The workers won't be paid for the days on which they were on strike, it added.
Hongxing Machinery, as a leading manufacturer of mining equipment, can provide you with high quality and low price stone crushing machine, powder grinding machine, and stone making machine and ore beneficiation equipment. As a professional manufacturer, our products have been exported to more than one hundred countries and were quite popular with them. If you have any needs about this, please let we know. We are looking forward to your cooperation.