As we all know, the crushing speed of the crusher is much faster than that of the grinding machine, and the energy consumption of the crushed mine is also 75% to 88% lower than that of the grinding. If the ore can be fully crushed before grinding into the grinding machine, it can greatly improve th

    Mt. Gordon is an old mine in the northwestern part of Queensland province in northeastern Australia. It was originally called Gunpowder . The main Gower Cave Hill copper minerals chalcocite, copper and blue mosaic closely with pyrite chalcopyrite, flotation can not separate the two min

First, Darcy's law and penetration rate For the seepage of a homogeneous fluid in a porous medium, it is described by Darcy's law and proved to be suitable in many cases. In addition to the extremely high flow rate of the fluid, and the very low flow rate of the gas are two exceptions. Fi

Abstract process experimental period of nearly two years of production and that the fluoroboric acid system to 2,4-- dichlorobenzaldehyde as Additive Sn-Pb alloy plating mirror bright, process stability. I products are more silver plated member, but after a period of time is placed silver black, s

Huang Kaiguo   Chen Wanxiong   Peng Xiangan Zeng Xi (Jinchuan) So far, the world's nickel metal is still mainly extracted from nickel sulfide ore [1] . In the nickel ore ore dressing , the lean ore is difficult to sort because of the low grade of nickel and the high MgO (up to 27% to 2

Study on pretreatment of gold ore Refractory Jianjun Wu Ping (Institute of Comprehensive Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Chengdu 610041, China) Abstract: The use of industrial waste as a curing agent in the difficult selection of metallurgical ore in a cer

The main task of the iron ore beneficiation is: under conditions to maximize the recovery of metals from ore, smelting get the most economical iron ore. Technical and economic indicators for the production of metals from ores (including mining, beneficiation and agglomeration, transportation and s

I. 铌 : From ore to complex products (1) 铌 market In 1999, 87.60% of the world production of niobium (Nb 50.6M1b) are used to produce high-strength low-alloy (HSLA), made of stainless steel niobium iron raw materials. About 2% is used to produce special alloys such as NbTi, NbZr and Nb

1. Baotou Bayan Obo multi-metal mines, the use of weak magnetic - magnetic - flotation comprehensive recovery of iron and rare earth mineral processing new process, trial production in 1990 the industrial practice shows that 31.32 percent of iron, 6.34% rare earth oxide, The original ore of 7.86% o

China's lack of water has become an indisputable fact of the consensus of the Chinese people. The annual area of ​​farmland in the country accounts for 25% to 30% of the total cultivated land area. The annual water shortage in the irrigation area is about 30 billion m 3 , and the

The application of microorganisms to complex ore processing is one of the important research directions in the field of mineral processing. For some low-grade complex ores that cannot be treated by conventional mineral separation methods or cannot obtain economic benefits, microbial treatment techn

1. Do not start the rock drill at full speed when pulling the brazing to avoid damage to the machine parts. Second, do not drag the rock drill on the ground to prevent dirt and rock powder from entering the machine through the vent hole and other openings, causing malfunction or damage to the mach