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Titanium concentration method and device for vanadium titano-magnetite

A technology for vanadium titanomagnetite and titanium separation, applied in chemical instruments and methods, magnetic separation, wet separation, etc., can solve the problems of difficult titanium recovery rate, high energy consumption, high pressure, etc. consumption, efficient titanium recovery, and the effect of reducing the amount of concentration

Active Publication Date: 2017-02-15
PANGANG GRP MINING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the first and second stage iron-selection tailings are mixed and then titanium is selected, the pressure of concentration and classification of titanium selection is relatively high, the energy consumption is high, and the recovery rate of titanium is difficult to increase.

Method used

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  • Titanium concentration method and device for vanadium titano-magnetite

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Embodiment 1

[0108] This embodiment is used to illustrate the titanium selection method and device of the vanadium-titanium magnetite of the present invention.

[0109] The weight ratio of the first-stage iron-selection tailings to the second-stage iron-selection tailings is 70:30, and the TFe grade of the first-stage iron-selection tailings is 13% by weight, TiO 2 The grade is 8% by weight; the TFe grade of the tailings of the second stage iron selection is 14% by weight, TiO 2 The grade is 9.5% by weight, the proportion of particles with a particle size of less than 0.074mm in the first-stage iron beneficiation tailings is 46% by weight, the proportion of particles with a particle size greater than 0.154mm is 30% by weight, and the proportion of particles with a particle size of 0.074-0.154mm is 24%. % by weight; the proportion of particles with a particle size smaller than 0.074mm in the tailings of the second-stage iron extraction is 75% by weight, the proportion of particles with a pa...

Embodiment 2

[0116] This embodiment is used to illustrate the titanium selection method and device of the vanadium-titanium magnetite of the present invention.

[0117] Titanium was selected according to the method of Example 1, the difference was that the weight ratio of the first-stage iron-selection tailings to the second-stage iron-selection tailings was 80:20.

Embodiment 3

[0119] This embodiment is used to illustrate the titanium selection method and device of the vanadium-titanium magnetite of the present invention.

[0120] Titanium was selected according to the method of Example 1, the difference was that the weight ratio of the first-stage iron-selection tailings to the second-stage iron-selection tailings was 85:15.

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Abstract

The invention relates to the technical field of mineral concentration, and especially relates to a titanium concentration method and device for vanadium titano-magnetite. The titanium concentration method comprises that one-stage iron concentration tailings of the vanadium titano-magnetite is subjected to primary slag separation treatment, primary enriching and dehydration and first classification, to be divided into one-stage iron concentration tailings coarse materials and one-stage iron concentration tailings fine materials; two-stage iron concentration tailings of the vanadium titano-magnetite is subjected to secondary slag separation treatment, secondary enriching and dehydration and secondary classification, to be divided into two-stage iron concentration tailings coarse materials and two-stage iron concentration tailings fine materials; the one-stage iron concentration tailings coarse materials and the two-stage iron concentration tailings coarse materials are combined to form coarse-fraction materials, and the one-stage iron concentration tailings fine materials and the two-stage iron concentration tailings fine materials are combined to form fine-fraction materials; the coarse-fraction materials are subjected to separation, to obtain coarse titanium concentrate; and the fine-fraction materials are subjected to separation, to obtain fine titanium concentrate. The method and device can decrease the enriching amount of tailings, reduce the energy consumption of titanium concentration, and improve the titanium recovery rate.

Description

technical field [0001] The invention relates to the technical field of ore dressing, in particular to a method and a device for selecting titanium of vanadium-titanium magnetite. Background technique [0002] Vanadium-titanium magnetite is widely distributed in China and has abundant reserves. The proven reserves of vanadium-titanium magnetite in Panxi region (Panzhihua-Xichang) alone reach 10 billion tons, accounting for 20% by weight of the country's proven iron ore reserves. It accounts for 25% by weight of the world's similar ore reserves. Titanium reserves are 870 million tons, accounting for 35.2% by weight of the world's titanium reserves and 90.5% by weight of the national titanium reserves. [0003] The titanium selection of vanadium-titanium magnetite generally adopts the main process of "selecting iron first, then titanium". Segment strong magnetic + flotation" process. The amount of tailings in the first stage of iron dressing usually accounts for more than 85...

Claims

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Application Information

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IPC IPC(8): B03B7/00B03B9/00B03B1/00B03C1/30
CPCB03B1/00B03B7/00B03B9/00B03C1/30
Inventor 王洪彬王勇张国华张春
Owner PANGANG GRP MINING
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