Sorting technology for iron ore containing copper, cobalt and magnetite

Abstract

The invention belongs to the technical field of ore dressing and in particular relates to a sorting technology for iron core containing copper, cobalt and magnetite. An ore grinding-grading-magnetic separation magnetite dressing technology is adopted for sorting magnetite, and a copper-cobalt bulk flotation and separation technology is adopted for sorting copper and cobalt. The sorting technology for the iron core containing copper, cobalt and magnetite has the advantages that three valuable minerals are respectively separated out by firstly adopting magnetic separation to obtain qualified iron ore concentrate and then adopting flotation for successively sorting qualified copper concentrate and cobalt concentrate, treatment ore quantity of the next sorting system is gradually reduced, energy consumption is effectively reduced, and production cost is reduced; meanwhile, three concentrates respectively reach an industrial utilization level, effective and comprehensive recycling of three elements is realized, and the economic benefit is increased.

Description

[0001] technical field [0002] The invention belongs to the technical field of ore dressing, in particular to a sorting process for ores containing copper, cobalt and magnetite. Background technique [0003] The iron ores in Laiwu, Shandong, my country contain certain copper and cobalt elements. Most of these ores are magnetite ores. The grade of iron in the ore is mostly between 34% and 36%, and the grade of copper is generally between 0.05% and 36%. The grade of cobalt is mostly between 0.01-0.015%. Due to the low grade of copper and cobalt in the ore, the lowest grade of industrially available copper concentrate is more than 10%, and the lowest grade of industrially available cobalt concentrate is above 0.2%. Difficult and expensive. In addition, the intercalation particle size of copper and cobalt in the ores in this area is very fine, and it needs to be ground to -0.043mm, accounting for 80%-85%, so that copper and cobalt can achieve monomer dissociation and be separa...

AI Technical Summary

Problems solved by technology

Due to the low grade of copper and cobalt in the ore, the lowest grade of industrially available copper concentrate is more than 10%, and the lowest grade of industrially available cobalt concentrate is above 0.2%. Difficult and expensive

In addition, the intercalation particle size of copper and cobalt in the ores in this area is very fine, and it needs to be ground to -0.043mm, accounting for 80%-85%, so that copper and cobalt can achieve monomer dissociation and be separated in subsequent flotation, so the local Concentrators generally only select iron, not copper and cobalt, resulting in the loss of precious metals copper and cobalt

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