Method for producing smelting copper-cobalt oxidation ore by blast furnace

Abstract

The invention discloses a production method for reducing and smelting a copper-cobalt oxidized ore by a blast furnace which includes cracking, preparing a ball and smelting, namely carrying out cracking on the original ore of the copper-cobalt oxidized ore, then mixing the cracked copper-cobalt oxidized ore with a reducer according to a proportion of 68:6:20:6 for preparing the ball and then arranging the ball material and coke according to a proportion of 80 :20 into the blast furnace for smelting to prepare a copper-cobalt alloy. The method of the invention is adopted to reduce the melting point, improve the reducing rate, save the energies, reduce the discharge, have a remarkable environment protection benefit, correspondingly reduce the cost and is applicable for the production for the copper-cobalt oxidized ore to prepare the copper-cobalt alloy.

Description

technical field [0001] The invention relates to a production method for reducing and smelting copper-cobalt oxide ore in a blast furnace, specifically a production method for producing copper-cobalt alloy by using a blast furnace to reduce and smelt copper-cobalt oxide ore Background technique [0002] Both copper and cobalt in copper-cobalt oxide ore are oxides. The melting point of copper oxide is 1026°C, and the melting point of cobalt oxide is 1935°C, which are different from the melting points of their respective metal states (the melting point of copper metal is 1083°C, and the melting point of cobalt metal The melting point is 1495°C). In order to meet the temperature conditions at which both copper oxide and cobalt oxide are melted, submerged electric furnaces are generally used for reduction smelting, but submerged electric furnaces have large investment, long construction period, and high requirements for raw ore water content (no more than 3%), it needs to be equi...

AI Technical Summary

Problems solved by technology

[0002] Both copper and cobalt in copper-cobalt oxide ore are oxides. The melting point of copper oxide is 1026°C, and the melting point of cobalt oxide is 1935°C, which are different from the melting points of their respective metal states (the melting point of copper metal is 1083°C, and the melting point of cobalt metal The melting point is 1495°C). In order to meet the temperature conditions at which both copper oxide and cobalt oxide are melted, submerged electric furnaces are generally used for reduction smelting, but submerged electric furnaces have large investment, long construction period, and high requirements for raw ore water content (no more than 3%), it needs to be equipped with raw ore drying equipment, which has the problem of serious dust pollution in the drying and feeding process; the blast furnace cannot meet the temperature conditions that the above two oxides are melted

[0003] It is also feasible to use hydrometallurgy to treat copper-cobalt oxide ore, but it needs to consume a lot of sulfuric acid and chemical reagents, and the process cycle is long, the production efficiency is low, and the cost is high