In recent years, the magnetic separation of weak magnetic minerals has been a hot and difficult problem in the field of magnetic separation, because its magnetic susceptibility or magnetic field magnetic strength can not meet the requirements, resulting in a low recovery rate of magnetic separation.The emergence of high-gradient magnetic separator has greatly improved the recovery rate of weak magnetic minerals, but it also caused problems such as powder inclusions and media blockage, which led to a decrease in the mineral level after separation.
Here is a summary of the typical replacement of magnetic separation equipment in the current situation of low recovery of weak magnetic minerals. Among them, the strong magnetic field magnetic separator is the key equipment for sorting weak magnetic minerals.
Dry strong magnetic separator:
The dry strong magnetic separator can be divided into disc type, roller type and barrel type, among which, roller type is more widely used. Weifang Guote Mine Equipment Co., Ltd. has developed a reciprocating dry permanent magnetic high gradient magnetic separator, which is designed with a closed-circuit magnetic system, without magnetic leakage, and the gradient magnetic induction intensity of the separation space can reach 1.5T and above, and has a magnetic field depth Large, continuous separation operation, low energy consumption, high background field strength, simple structure and easy operation and maintenance, suitable for the separation of weak magnetic minerals and the purification of non-metallic minerals.
Wet strong magnetic separator:
Wet strong magnetic field magnetic separator can be divided into permanent magnetic wet strong magnetic field magnetic separator and electromagnetic wet strong magnetic field magnetic separator. Among them, the drum magnetic separator is a kind of wet strong magnetic field magnetic separator, which is the most used wet magnetic separator in the strong magnetic field magnetic separator.
High gradient magnetic separator:
High gradient magnetic separators include periodic high gradient magnetic separators, continuous high gradient magnetic separators, Slon vertical ring pulse high gradient magnetic separators, double vertical ring magnetic separators, gas and water combined unloading double vertical ring high Gradient magnetic separator, etc.