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Beneficiation method for improving recovery rate of low-grade zinc oxide ore

A technology of zinc oxide ore dressing method, applied in flotation, solid separation, etc., can solve the problems of low grade and recovery rate of zinc concentrate, poor selectivity of flotation agents, and low resource utilization rate, so as to reduce infrastructure costs and The effects of management cost, simplification of pharmaceutical system, and low cost of beneficiation

Active Publication Date: 2010-06-23
新疆紫金锌业有限公司
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AI Technical Summary

Problems solved by technology

The flotation agents and beneficiation techniques adopted in the prior art have the following deficiencies: one is that the selectivity of the flotation agents is poor, and there is the problem of sticky flotation foam of oxidized ore; the other is that the obtained zinc concentrate grade and recovery rate are relatively low. Low, resource utilization rate is not high; Third, the process is long, the cost of mineral processing is high

Method used

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  • Beneficiation method for improving recovery rate of low-grade zinc oxide ore
  • Beneficiation method for improving recovery rate of low-grade zinc oxide ore
  • Beneficiation method for improving recovery rate of low-grade zinc oxide ore

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Embodiment Construction

[0039] Such as figure 1 As shown, a beneficiation method to improve the recovery rate of low-grade zinc oxide ore is to wash ore at room temperature to remove impurities, mix oxide minerals and sulfide minerals, and use modified alkylamine zinc oxide chelating collector ZJ -5 Carry out zinc roughing and zinc sweeping, the method includes the following sequential process steps and conditions:

[0040] (a) ore crushing, the raw ore mixed with oxidized ore and sulfide ore is crushed together;

[0041] (b) Grinding, grinding the crushed raw ore to -0.074mm 60-76%;

[0042] (c) ore washing, washing the raw ore ground to -0.074mm 60-76%;

[0043] (d) desliming, desliming the raw ore after ore washing, and removing the slime;

[0044] (e) primary lead roughing, add 0.1~1Kg sodium sulfide, 0.1~1Kg sodium carbonate, 0.02~0.2Kg ethyl disulfide nitrogen, 0.01~0.05Kg2# oil per ton to remove the raw ore to carry out primary lead roughing, Roughly select primary lead coarse ore and prim...

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Abstract

The invention relates to a beneficiation method for improving the recovery rate of low-grade zinc oxide ore, which comprises the following steps: washing ore at normal temperature to remove impurities; mixing and selecting oxide minerals and sulfide minerals; and carrying out zinc rough selection and zinc scavenging by using modified alkylamine zinc oxide chelating collector ZJ-5. The invention has the characteristics of easy purchase and low cost of the collector ZJ-5, short process flow, low cost of beneficiation cost, wire range of application, high grade and recovery rate of zinc ore concentrate and the like and is applicable to the low-grade zinc oxide ore.

Description

1. Technical field [0001] The invention relates to a mineral processing method for improving the recovery rate of low-grade zinc oxide ore, which is suitable for the mineral processing application of low-grade zinc oxide ore. 2. Background technology [0002] The existing methods for treating zinc oxide ore include: sulfuration-amine flotation method, heating sulfuration flotation method, desliming-sulfurization-amine flotation method, fatty acid positive flotation method, fatty acid reverse flotation method, chelated N- Neutral oil flotation, leaching-flotation, etc. These methods are generally represented by sulfidation flotation. According to the different properties of the ore, the combined process of flotation-water smelting can be further adopted on the basis of sulfidation flotation. , re-selection pre-selection-flotation process, roasting-flotation joint process, etc. Since lead and zinc deposits often have sulfide ores, sulfide-oxidized mixed ores and oxidized ores...

Claims

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Application Information

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IPC IPC(8): B03D1/00B03D1/08B03B1/00
Inventor 廖德华刘汉钊巫銮东吴双桥黄丽娟
Owner 新疆紫金锌业有限公司
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