Ilmenite beneficiation method and equipment

A beneficiation method and technology of beneficiation equipment, applied in chemical instruments and methods, wet separation, solid separation and other directions, can solve the problems of waste of resources, the inability of ilmenite magnetic iron to obtain economic benefits, etc., and achieve the effect of good beneficiation indicators

Inactive Publication Date: 2015-05-13
LONGI MAGNET CO LTD
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Problems solved by technology

[0005] In order to solve the above problems, based on solving the problem that low-grade ilmenite can not obtain economic benefits by single selection of magnetic iron, and causes a huge waste of resources, the inventor has proposed a titanium alloy after many times of design and research. Iron ore beneficiation method and equipment, which is suitable for comprehensive utilization of low-grade ilmenite resources

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  • Ilmenite beneficiation method and equipment

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. Additionally, the protection scope of the present invention should not be limited only to the following specific structures or components or specific parameters.

[0024] Ilmenite is composed of magnetic iron, ilmenite and gangue, because there are multiple components in the mineral, so there are different degrees of dissociation. The main difference between magnetic iron, titanium iron and gangue is that magnetic iron has strong magnetism, titaniu...

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Abstract

The invention provides an ilmenite beneficiation method and equipment, and is suitable for comprehensive utilization of low grade ilmenite resources. The method and the equipment provided by the invention can be used for separating materials by fully using three kinds of physical differences of useful components in ilmenite magnetic iron and ferrotitanium and useless gangues, such as magnetism, density and surface hydrophilicity, as well as the property of the stage degree of dissociation. In the whole separating process, by using a magnetic-gravity separation-flotation combined process, the magnetic iron which is the strongest in magnetism is separated by using a magnetic separating method firstly, and then the ferrotitanium is selected by using a method of gravity separation combined with strong magnetic combined flotation. In the whole separating process, a graded ore grinding and graded beneficiation method is adopted, and in the process of separating the ferrotitanium, ore is secondarily ground, so that the ferrotitanium containing part of impurities after strong magnetism in the first stage is further dissociated, and therefore, relatively good beneficiation indexes are obtained.

Description

technical field [0001] The invention belongs to the technical field of mineral processing, and in particular relates to an ilmenite beneficiation method and equipment, which are suitable for comprehensive utilization of low-grade ilmenite resources. Background technique [0002] The quality of iron concentrate is directly related to the cost of blast furnace smelting, and domestic and foreign mineral processing circles regard improving the grade of concentrate as the focus of scientific research. Most ores need grinding and beneficiation, and fine-grained iron concentrate is known as the leading product in the iron ore industry; currently its production is mainly based on wet separation. The disadvantage of wet beneficiation is that a large amount of water resources are required in the production process, and the discharged wastewater seriously pollutes the environment; tailings storage still requires a huge investment in the construction of tailings ponds, and the existence...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C21/00B03B7/00
CPCB03B7/00
Inventor 张承臣唐奇吴永博王珏王想
Owner LONGI MAGNET CO LTD
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