The world mine aging trend is getting worse, about half of the world's copper ore mine age of over 50 years, the world's largest mines in seven, but four have been mined more than 70 years. Due to the long mining time, the grade of the mine is declin…
Mineral processing
A fluorite decalcification beneficiation process consisting of a rough selection and multiple selection operations, using oleic acid or its …
Roof fall, the floor collapsed, blasting assault, gun smoke poisoning, man has always been a fall chute types of accidents metallurgical mining enterprises most likely to occur. 10 years, Han Xing jade…
1 classification of coal
With the development of society and the advancement of science, the use of coal has become more and more extensive. People have become more and more aware of the nature, composition and application of coal, and gradually foun…
With the rapid advancement of the global urbanization process, people's consumption levels are increasing, which in turn stimulates the upgrading of electronic products. While some people indulge in when "Amoy gold",…
Número do estande: D266
Data de exibição: 21 a 24 de outubro de 2017
Local: Yiwu International Expo Center, East Hall 1
2017 China Yiwu Automobile & Motorcycle Accessories Fair será realizada de 21 a 24 de outub…
Black flotation machine is suitable for non-ferrous metal sorting, but also for non-metallic such as: coal, fluorite, talc sorting. The flotation machine drives the impeller to rotate by the m…
How to find gold sand
There are many methods for ore prospecting. There are five commonly used methods: 1 natural heavy sand method, 2 engineering heavy sand method, 3 old mining survey, 4 geological landform analysis, 5 geophysical exploration and a…