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Fluorite ore beneficiation method

A beneficiation method and fluorite ore technology, applied in the field of fluorite ore beneficiation, can solve problems such as difficult removal, difficult separation, high concentrate content, etc., and achieve the effects of reducing drug costs, improving beneficiation quality, and ensuring stability

Active Publication Date: 2021-10-22
中化地质矿山总局地质研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fine-grained quartz and altered silicate minerals are not easy to remove, and it is easy to cause high SiO2 content in the concentrate; the flotation properties of fluorite and calcium carbonate are similar, and conventional flotation methods are used Difficult to separate, resulting in low beneficiation quality

Method used

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  • Fluorite ore beneficiation method

Examples

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Embodiment 1

[0036] The embodiments of the present application disclose a method for beneficiation of fluorite ore. The mass percentage component of fluorite ore in this example is CaF 2 Content 25.40%, CaCO 3 Content 6.85%, MgO content 2.06%, SiO 2 The content is 62.31%, the balance is impurities, CaF 2 The content is low, the fine-grained content of the ore is high, and the fine-grained gangue of the ore is not easy to come out, so it belongs to the refractory fluorite ore.

[0037] refer to figure 1 , fluorite beneficiation methods include:

[0038] (1) Roughing: The first choice is to grind the raw fluorite ore after pulverizing, and grind until the fineness of the ore powder is less than 200 mesh and the content accounts for 76.0%.

[0039] The roughing operation adopts alkaline medium flotation. Sodium carbonate, water glass and collector are successively added to the pulp for roughing to obtain fluorite roughing concentrate and roughing tailings. Sodium carbonate, water glass...

Embodiment 2

[0045] The embodiments of the present application disclose a method for beneficiation of fluorite ore. The mass percentage component of fluorite ore in this example is CaF 2 Content 25.40%, CaCO 3 Content 6.85%, MgO content 2.06%, SiO 2 The content is 62.31%, the balance is impurities, CaF 2 The content is low, the fine-grained content of the ore is high, and the fine-grained gangue of the ore is not easy to come out, so it belongs to the refractory fluorite ore.

[0046] refer to figure 1 , fluorite beneficiation methods include:

[0047] (1) Roughing: The first choice is to grind the raw fluorite ore after crushing, and grind to the point where the fineness of the ore powder is less than 200 mesh and the content accounts for 80.3%.

[0048] The roughing operation adopts alkaline medium flotation. Sodium carbonate, water glass and collector are successively added to the pulp for roughing to obtain fluorite roughing concentrate and roughing tailings. Sodium carbonate, w...

Embodiment 3

[0054] The embodiments of the present application disclose a method for beneficiation of fluorite ore. The mass percentage component of fluorite ore in this example is CaF 2 Content 25.40%, CaCO 3 Content 6.85%, MgO content 2.06%, SiO 2 The content is 62.31%, the balance is impurities, CaF 2 The content is low, the fine-grained content of the ore is high, and the fine-grained gangue of the ore is not easy to come out, so it belongs to the refractory fluorite ore.

[0055] The beneficiation methods of fluorite ore include:

[0056] (1) Roughing: The first choice is to grind the raw fluorite ore after pulverizing, and grind until the fineness of the ore powder is less than 200 mesh and the content accounts for 76.0%.

[0057] The roughing operation adopts alkaline medium flotation. Sodium carbonate, water glass and collector are successively added to the pulp for roughing to obtain fluorite roughing concentrate and roughing tailings. Sodium carbonate, water glass and colle...

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Abstract

The invention relates to a fluorite ore beneficiation method, and belongs to the technical field of fluorite ore separation processes. The fluorite ore beneficiation method comprises the following steps that roughing is conducted, specifically, raw fluorite ore power is crushed and then ground to the fineness required by beneficiation, sodium carbonate, water glass and a collecting agent are sequentially added into ore pulp, and flotation is conducted by adopting an alkaline medium to obtain roughing concentrate and roughing tailings; concentration is conducted, specifically, the roughing concentrate obtained through roughing is subjected to multiple times of concentration, acid water glass is added into the ore pulp in each concentration process, and flotation is conducted through an acid medium; the collecting agent is added into the ore pulp to conduct scavenging on tailings obtained after first-time concentration, the acid medium is adopted for flotation in scavenging, and scavenged concentrate is returned to first-time concentration; and concentration tailings of multiple residual concentration operations are returned to the concentration operation. By means of the technological process and the reagent system, carbonate and quartz gangue minerals in the fluorite ore can be effectively removed, the system stability and the beneficiation quality of fluorite ore flotation are remarkably improved, and the method can be widely applied to the beneficiation operation of the fluorite-carbonate-quartz type ore industry.

Description

technical field [0001] The present application relates to the field of fluorite ore separation technology, in particular to a fluorite ore beneficiation method. Background technique [0002] Fluorite is an important non-metallic mineral resource, distributed all over the world, the main component is calcium fluoride (CaF 2 ), is an important raw material for the preparation of fluorine-containing compounds, and is widely used in metallurgy, aluminum smelting, glass, ceramics, cement, chemical and other industries. In addition to fluorite, other minerals are generally associated or symbiotic in fluorite deposits. At present, according to the mineral composition of fluorite deposits, there are: fluorite-quartz type, fluorite-carbonate-quartz type, fluorite-barite-quartz type, fluorite-quartz-sulfide mineral type, etc. [0003] Fluorite-carbonate-quartz type fluorite ore is a kind of refractory beneficiation. In the beneficiation process of fluorite-carbonate-quartz type fluo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B9/00
CPCB03B9/00Y02W30/52
Inventor 吴艳妮丁晓姜黄友良权越胜刘浩然姬云波
Owner 中化地质矿山总局地质研究院
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