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Closed dry separation equipment for low-grade magnetite

A magnetite, low-grade technology, applied in the field of machinery, can solve the problems of not being able to meet the requirements of the mineral processing process, and achieve the effects of saving production costs and transportation costs, reducing construction, and changing technical parameters

Inactive Publication Date: 2014-06-25
陕西三沅重工发展股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in terms of conventional beneficiation process, it is far from being able to meet the requirements of this type of low-grade magnetite mine beneficiation process conditions.

Method used

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  • Closed dry separation equipment for low-grade magnetite
  • Closed dry separation equipment for low-grade magnetite
  • Closed dry separation equipment for low-grade magnetite

Examples

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Embodiment Construction

[0017] Embodiment of the present invention is described below in conjunction with accompanying drawing, embodiment does not constitute limitation of the present invention:

[0018] The low-grade magnetite closed-circuit dry separation equipment is characterized in that it includes a raw ore conveyor belt 2, a high-pressure roller mill 4 is located below the discharge part of the raw ore conveyor belt 2, and a discharge port below the high-pressure roller mill 4 Below is the belt, and below the conveyor end of the belt is the combined dry-type magnetic separator. The combined dry-type magnetic separator includes a frame, and the belts on the frame are installed by rollers. Both ends of the rollers can be rotatably installed on the frame, including the main belt. , there is a magnet between the upper and lower belt surfaces of the main belt, and the magnet is fixed by a plate on the frame. There are two rollers at both ends of the main belt, one of which is a magnetic roller, and...

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Abstract

The invention relates to the field of machinery and in particular relates to closed dry separation equipment for low-grade magnetite. The equipment comprises a raw ore conveying belt, wherein a high-pressure roller mill is arranged below a discharging part of the raw ore conveying belt; a belt is arranged below a discharging hole below the high-pressure roller mill; a combined dry magnetic separator is arranged below the belt conveying end; ores separated by the combined dry magnetic separator are connected to vertical middling conveying equipment; an outlet above the middling conveying equipment is communicated to a feeding hole of the high-pressure roller mill through the belt. The equipment has the beneficial effects that through a closed cycle production process, the process route is shortened and the production and transportation costs are greatly saved; the energy is saved by 0.5-1 kilowatt hour / ton; the construction area of factory buildings is reduced; the construction of tailings ponds is reduced through a dry throwing process; large-scale tailing throwing before milling is realized, the milling grade is greatly increased, and the technical parameters of the magnetic separation section during ball-milling are radically changed; the adaptive range of a dry separation station process of the low-grade magnetite is wide.

Description

technical field [0001] The invention relates to the field of machinery, in particular to closed-circuit dry separation equipment for low-grade magnetite. Background technique [0002] Compared with the global iron ore resources, my country has a large number of low-grade iron ore mineral resources. In recent years, in order to make full use of the existing low-grade magnetite mineral resources in China to make up for the shortage of domestic iron ore resources, Domestic enterprises have been involved in the development process of low-grade magnetite mineral resources. [0003] Since the development of low-grade magnetite mineral resources firstly adopts large-scale open-pit mining and new beneficiation technology and process combination, and uses large-scale and new technology benefits to solve low-grade magnetite, it is difficult to obtain better ore with low added value. This is an important means and measure to transfer low-grade magnetite mineral resources to the develop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/16B03C1/30
Inventor 薛鹏飞
Owner 陕西三沅重工发展股份有限公司
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