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Ultra-lean magnetite beneficiation method and system for associated phosphorus minerals

A technology of ultra-lean magnetite and mineral processing methods, which is applied in chemical instruments and methods, wet separation, solid separation, etc., can solve the problems of high cost and high energy consumption of mineral processing, and achieve low unit energy consumption and high grinding efficiency. The effect of low consumption and small product size

Active Publication Date: 2020-05-01
中冶沈勘工程技术有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0006] The purpose of the present invention is to provide an ultra-lean magnetite beneficiation method of associated phosphorus minerals, so as to solve the technical problems of high energy consumption and high cost of the ultra-lean magnetite beneficiation method existing in the prior art

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Embodiment Construction

[0034] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but 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.

[0035] In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for description purposes only, and should not be understood as indicating or implying relative importance.

[0036] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. ...

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Abstract

The invention relates to the technical field of beneficiation, in particular to an extremely low content magnetite beneficiation method and system for associated phosphate minerals. The method provided by the invention comprises the step of carrying out multi-stage sorting, namely finely grinding raw ore, carrying out dry separation on ore fines, carrying out superfine crushing by adopting a high-pressure grinding roller, then carrying out dry separation on middlings, and carrying out dry separation by adopting a V-shaped powder selecting machine and a dynamic powder selecting machine, so thatiron core concentrate and tailings are separated, the next wet type grinding and separation treatment capacity is reduced, grinding and separation energy consumption is reduced, water resource is saved, wetting tailing amount is reduced, and beneficiation cost is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of mineral processing, in particular to an ultra-lean magnetite mineral processing method and system of associated phosphorus minerals. Background technique [0002] Iron ore deposits in China are rich in reserves, but the grade is too low. Most of the iron ore is lean iron ore, and some are extremely low grade, which belongs to ultra-lean magnetite. The general grade is TFe10%-20%, MFe<5%. my country's ultra-poor magnetite resources amount to tens of billions of tons, of which Hebei and Liaoning provinces have more than 10 billion tons of ultra-poor magnetite resources. The research and development of ultra-lean magnetite can alleviate the contradictions of insufficient domestic ore supply and heavy dependence on imports of iron ore. [0003] The beneficiation method of ultra-lean magnetite mostly adopts magnetic pulley dry separation, tailing removal and crushing dry separation, and then directly enter...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B7/00
CPCB03B7/00
Inventor 母传伟李小艾张利军田会先窦习章易小祥郝鹏程戴翠红张弘伟郭靖李晓娟李志马英豪
Owner 中冶沈勘工程技术有限公司
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