Flotation method for gold ore with higher mining obturator content

A filling body and gold ore technology, applied in flotation, solid separation, etc., can solve the problems of deteriorating flotation environment, foam stickiness, etc., and achieve the effect of improving flotation efficiency, improving concentrate grade, and improving flotation environment

Active Publication Date: 2014-04-02
内蒙古金陶股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a kind of flotation method of gold ore with higher mining filling body content, to solve the traditional flotation

Method used

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  • Flotation method for gold ore with higher mining obturator content
  • Flotation method for gold ore with higher mining obturator content
  • Flotation method for gold ore with higher mining obturator content

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Rough separation: Grinding the raw ore until the ore particles smaller than 0.074mm account for 65%, adding a slurry pH regulator and mining filling inhibitor during grinding, adding water to adjust the slurry to a concentration of 36% , the pH value of the pulp is 6.0, sequentially add collectors and foaming agents, adjust the slurry and stir, and carry out roughing flotation operations to obtain roughing concentrates and roughing tailings;

[0024] (2) Sweeping: Calculated per ton of raw ore, add collectors Z-305 and Z-309 to the roughing tailings in turn, mix the slurry and stir, and carry out scavenging and flotation operations to obtain scavenging concentrate and scavenging Tailings, the scavenging tailings are the final tailings, and the scavenging concentrate returns to the roughing flotation operation to form a closed loop;

[0025] (3) One-time beneficiation: Calculated per ton of raw ore, add pulp pH regulator and mining filling inhibitor to the rough conc...

Embodiment 2

[0029] (1) Rough separation: Grind the raw ore until the ore particles smaller than 0.074mm account for 60%. When grinding, add a slurry pH regulator and a mining filling inhibitor, and add water to adjust the slurry to a concentration of 30%. , the pH value of the slurry is 6.2, sequentially add collectors and foaming agents, adjust the slurry and stir, and carry out roughing flotation operations to obtain roughing concentrates and roughing tailings;

[0030] (2) Sweeping: Calculated per ton of raw ore, add collectors Z-305 and Z-309 to the roughing tailings in turn, mix the slurry and stir, and carry out scavenging and flotation operations to obtain scavenging concentrate and scavenging Tailings, the scavenging tailings are the final tailings, and the scavenging concentrate returns to the roughing flotation operation to form a closed loop;

[0031] (3) One-time beneficiation: Calculated per ton of raw ore, add slurry pH adjuster and mining filling inhibitor in turn to the ro...

Embodiment 3

[0035] (1) Rough separation: Grinding the raw ore until the ore particles smaller than 0.074mm account for 70%, adding a slurry pH regulator and mining filling inhibitor during grinding, adding water to adjust the slurry to a concentration of 40% , the pH value of the slurry is 6.5, adding collectors and foaming agents in sequence, mixing and stirring the slurry, and performing roughing flotation operations to obtain roughing concentrates and roughing tailings;

[0036] (2) Sweeping: Calculated per ton of raw ore, add collectors Z-305 and Z-309 to the roughing tailings in turn, mix the slurry and stir, and carry out scavenging and flotation operations to obtain scavenging concentrate and scavenging Tailings, the scavenging tailings are the final tailings, and the scavenging concentrate returns to the roughing flotation operation to form a closed loop;

[0037] (3) One-time beneficiation: Calculated per ton of raw ore, add slurry pH adjuster and mining filling inhibitor in turn...

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Abstract

The invention discloses a flotation method for gold ore with a higher mining obturator content and aims to solve the problems of influence, caused by the fact that a dispenser is adopted in the traditional flotation process to eliminate an obturator medium, on the flotation environment, existence of adhesive foam and deterioration of the flotation environment. The flotation method comprises the steps of ore grinding, roughing, scavenging, primary concentration and second concentration, wherein during the ore grinding, an ore pulp pH regulator and a mining obturator inhibiter are added, a collecting agent and a foaming agent are added for adjusting the ore, the ore is stirred, the roughing and floatation operation is preformed, the ore pulp pH regulator is H2SO4, the mining obturator inhibiter is (NH4)2SO4, the foaming agent is terpenic oil, the collecting agent is Z-309 and Z-305. The surface characteristics of the ore are improved by reasonably combining and adding the agents, the mining oburator is better inhibited under the condition of lower ore pulp pH, the selective adsorption of the collecting agent on the targeted mineral, namely the gold ore, is enhanced, the gold content achieves 200-276.23g/ton, the gold recovery rate achieves 87.67-92.69%. The beneficiation method is simple in process and the on-site operation is easy.

Description

technical field [0001] The invention relates to a beneficiation method, in particular to a flotation method for gold ore with a relatively high content of mining filling. Background technique [0002] The filling mining method has a series of advantages such as safe operation technology, high recovery rate, and less damage to the surface ecological environment. Coupled with the gradual emphasis on environmental issues in China, the application of filling mining is becoming more and more extensive. After entering the beneficiation process, it mainly causes the following damages to the flotation environment: [0003] (1) Due to the existence of the filling body, the viscosity of the flotation pulp increases, resulting in a sharp increase in the amount of collector reagents, which reduces the selectivity of the flotation reagents and seriously affects the quality of the flotation gold concentrate. [0004] (2) The flotation foam is sticky, and the flotation foam layer is thic...

Claims

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Application Information

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IPC IPC(8): B03D1/00B03D1/018
Inventor 胡保栓李福兰赵海明郭海宁包玺琳许素敏顾小玲刘宝山廖雪珍何海涛姜永智
Owner 内蒙古金陶股份有限公司
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