Flow mixing method for bauxite forward flotation

Abstract

The invention relates to a flow mixing method for bauxite forward flotation and effectively solves the problems that flotation circulation quantity is high, duration is long, indexes are poor, yield is low and collecting agent quantity is high. The method includes: after ore pulp enters an ore pulp tank, adding PH regulator, and performing mixing; adding inhibitor and selected collecting agent, performing mixing, allowing mixed pulp into a roughing tank, mixing roughing wake and the collecting agent, allowing mixture to enter a scavenging tank, mixing roughing underflow and the collecting agent, allowing mixture to enter the roughing tank, allowing the scavenging wake to flow from the scavenging tank into a tailings settling tank, mixing scavenging underflow and the collecting agent, allowing mixture to enter the scavenging tank, allowing scavenging overflow to flow from the scavenging tank into a concentrating tank, mixing concentrating overflow and roughing overflow, allowing mixture to enter a concentrate settling tank, allowing concentrating wake to enter the scavenging tank or mixture of the concentrating wake and the scavenging wake to enter the tailings settling tank, mixing the concentrating underflow and the collecting agent, and allowing the mixture to enter the concentrating tank. The method has the advantages that the flow process configuration is reasonable, the ability of the collecting agent to collect bauxite concentrate is effectively improved, the production process is stable, and transferring of materials is smooth.

Description

technical field [0001] The invention relates to a mixed-flow method for positive flotation of bauxite. Background technique [0002] Bauxite beneficiation generally uses bauxite waste slag with an alumina content / silica content ratio of 2.5-3.5 as raw materials, and uses the "one rough, one fine, one sweep" flotation process, that is, the raw ore pulp enters The roughing tank performs flotation operation, the roughing foam enters the concentrating tank for beneficiation operation, the roughing tail flows into the sweeping tank for flotation; the concentrating tank foam enters the settling tank as flotation concentrate, and the concentrating tail Enter the roughing tank for operation; the scavenging foam enters the roughing tank for operation, and the scavenging tails enter the tailings settlement tank as flotation tailings, but in actual production, the following problems are found: [0003] 1. The alumina content / silica content ratio of the flotation concentrate is require...

AI Technical Summary

Problems solved by technology

[0008] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide a mixed-flow method for positive flotation of bauxite, which can effectively solve the problems of large flotation cycle, long time, poor tailings product index and low yield. , the problem of high collector consumption

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