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Franklinite screening process

A zinc-iron ore and process technology, which is applied in the field of zinc-iron ore sorting process, can solve the problems of waste of zinc resources and high energy consumption of ore grinding, and achieve the effects of reducing the amount of ore feeding, reducing energy consumption, and saving production costs

Active Publication Date: 2015-01-07
MCC NORTH (DALIAN) ENG TECH CO LTD
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  • Abstract
  • Description
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Problems solved by technology

Because the intercalation particle size of zinc in sphalerite in this area is too fine, it generally needs to be dissociated to -400 mesh or more than 85% to be able to sort out qualified zinc concentrate, and the energy consumption of ore grinding is high, so the processing of zinc and iron in this area Most ore concentrators only select iron but not zinc, resulting in a waste of zinc resources

Method used

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  • Franklinite screening process

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Embodiment Construction

[0025] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.

[0026] Such as figure 1 Shown, a kind of Zinc-iron ore sorting process of the present invention is characterized in that: comprise zinc concentrate sorting process and iron concentrate sorting process, the sorting order of two kinds of useful minerals is to select zinc with flotation first Concentrate, then use magnetic separation to select iron ore concentrate, the specific steps are as follows:

[0027] a. Feed zinc-iron raw ore with an iron grade of 35%-37%, a zinc grade of 1.15%-1.2%, and a particle size of 0-12mm into a ball mill-cyclone I closed circuit, and the overflow particle size is controlled at -200 mesh 55%-60%;

[0028] b. The overflow product of the first section of ball mill-cyclone I closed circuit is fed into the zinc rough flotation operation, and the collector butyl xanthate added in the zinc rough flotation ...

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Abstract

The invention belongs to the mixed ore screening technology field and especially relates to a franklinite screening process, and the process comprises a zinc ore concentrate screening process and an iron ore concentrate screening process, screening sequences of two useful minerals are that the zinc ore concentrate is firstly screened and the iron ore concentrate is magnetically screened. Through the screening process, the qualified zinc ore concentrate and the qualified iron ore concentrate are effectively recycled, the useful mineral is high in recycling ratio, energy is saved and the production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of mixed ore beneficiation, in particular to a zinc-iron ore beneficiation process. Background technique [0002] In my country's Xinjiang and Jingxian County, there are abundant zinc-iron ores, and most of the useful minerals are magnetite and sphalerite. The grade of iron in the zinc-iron ore in this area is mostly concentrated at 35%-37%, and the grade of zinc is 1.1%-1.2%. Because the intercalation particle size of zinc in sphalerite in this area is too fine, it generally needs to be dissociated to -400 mesh or more than 85% to be able to sort out qualified zinc concentrate, and the energy consumption of ore grinding is high, so the processing of zinc and iron in this area Most ore concentrators only select iron but not zinc, resulting in a waste of zinc resources. Therefore, it is necessary for us to develop a zinc-iron ore sorting process that can obtain qualified zinc concentrate and iron concentrat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B7/00B03D1/00
CPCB03B7/00B03D1/00Y02P70/10
Inventor 李国洲
Owner MCC NORTH (DALIAN) ENG TECH CO LTD
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