Classification and separation method for potassium feldspar ore

A kind of potassium feldspar and sorting technology, applied in the field of potassium feldspar mineralization and recovery, can solve the problems of weakening the source properties of potassium feldspar, insufficient dissociation, energy waste of flotation recovery efficiency, etc., and achieve high The value of industrial promotion and application, the maximization of economic benefits, and the effect of reducing energy consumption

Active Publication Date: 2022-04-29
贺州久源矿业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above process is relatively familiar, reducing the particle size of materials of different grades to the same standard will result in insufficient dissociation of some materials, which will affect the subsequent flotation recovery efficiency or cause energy waste due to excessive dissociation. Weaken the source properties of potassium feldspar

Method used

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  • Classification and separation method for potassium feldspar ore

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Embodiment 1

[0026] A kind of technological method of classification and separation of potassium feldspar ore, the main technological process is as follows figure 1 As shown, it specifically includes the following steps:

[0027] (1) Raw ore screening and material grade analysis of each particle size: use 12mm, 8mm, 6mm, 4mm, 2mm, 1mm, 0.5m and 0.1mm sieves to screen potassium feldspar raw ore, and then obtain +12mm, - 12+8mm, -8+6mm, -6+4mm, -4+2mm, -2+1mm, -1+0.5mm, -0.5+0.1mm and -0.1mm grade potassium feldspar ore; After the particle size materials are respectively ground to less than 200 microns, the element composition and content are tested respectively by X-ray fluorescence;

[0028] (2) Sorting particle size merger: according to the potassium oxide (K 2 (0) grade, the adjacent grade potassium feldspar mines with close grades are combined, and combined with the yield of each grade to finally determine the K between each grade from coarse to fine. 2 The segmentation granularity o...

Embodiment 2

[0036] A classification and separation method for potassium feldspar ore, comprising the following steps:

[0037] (1) Sieve the potassium feldspar ore, and the sieving particle size is 12mm, 8mm, 6mm, 4mm, 2mm, 1mm, 0.5mm and 0.1mm, and then grind the samples to a certain size, and use X-ray fluorescence Spectrum and MLA mineral automatic detection system to test the elemental composition and mineral content of samples of each particle size;

[0038] (2) According to K in each particle size 2 O grade and content of impurity mineral feldspar (the main occurrence mineral of calcium element) determine the suitable grading particle size, and the separation point of the sorting particle size determined accordingly is 8mm, 6mm and 2mm; after calculation, +8mm, -8+6mm , -6+2mm and -2mm potassium feldspar ore K 2 O grades are 8.51%, 7.52%, 4.10% and 3.47% in turn.

[0039](3) The +8mm potassium feldspar ore goes through the process of "crushing - grinding - desliming - magnetic se...

Embodiment 3

[0046] A kind of classification separation method of potassium feldspar ore, it is characterized in that, comprises the following steps:

[0047] (1) Sieve the potassium feldspar ore, and the sieving particle size is 12mm, 8mm, 6mm, 4mm, 2mm, 1mm, 0.5mm and 0.1mm, and then grind the samples to a certain size, and use X-ray fluorescence Spectrum and MLA mineral automatic detection system to test the elemental composition and mineral content of samples of each particle size;

[0048] (2) According to K in each particle size 2 O grade and content of impurity mineral feldspar (the main occurrence mineral of calcium element) determine the suitable grading particle size, and the separation point of the sorting particle size determined accordingly is 8mm, 6mm and 2mm; after calculation, +8mm, -8+6mm , -6+2mm and -2mm potassium feldspar ore K 2 O grades are 8.40%, 7.41%, 4.00% and 3.41% in turn.

[0049] (3) The +8mm potassium feldspar ore goes through the process of "crushing - gr...

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Abstract

The invention discloses a grading and sorting method for potassium feldspar ore, and belongs to the field of source recovery of the potassium feldspar ore. The method comprises the following steps: (1) screening raw ore and analyzing the grade of each fraction of material; (2) sorting fraction merging; (3) grading and sorting the potassium feldspar ore with the particle size of + 8 mm; (4) grading and sorting the potassium feldspar ore with the particle size of 8 + 6 mm; (5) grading and sorting the potassium feldspar ore with the particle size of 6 + 2 mm; (6) grading and sorting the potassium feldspar ore with the particle size of 2 mm; (7) carrying out fine silt removal treatment on the potassium feldspar ore with the particle size of + 8 mm; and (8) carrying out fine silt removal treatment on the potassium feldspar ores with the particle sizes of-8 + 6 mm and-6 + 2 mm. According to the method, different separation processes are adopted according to the content difference of K2O in the potassium feldspar ores of different size fractions, so that the potassium feldspar and the quartz in the ores of different size fractions are recycled. Compared with raw ore whole-fraction separation, the separation process for the materials of all the fractions is more targeted, the feldspar recovery rate is high, and the industrial application value is high.

Description

technical field [0001] The invention belongs to the field of recovery of potassium feldspar ore, and in particular relates to a classification and separation method of potassium feldspar ore. Background technique [0002] Potassium feldspar reserves are abundant in my country, but its distribution characteristics are complex, and it is associated with various minerals including quartz, hematite, and limonite. Due to the fine particle size of potassium feldspar, the mined raw ore needs to go through multiple processes such as screening, manual sorting, crushing, grinding, magnetic separation and flotation to obtain ideal feldspar products. The study of process mineralogy shows that the potassium feldspar with finer particle size is not uniformly distributed in natural minerals, but decreases with the decrease of raw ore particle size. At present, the existing classification treatment method of potassium feldspar does not refer to this feature, but is uniformly crushed and gr...

Claims

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Application Information

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IPC IPC(8): B03B9/00
CPCB03B9/00Y02W30/52
Inventor 朱怀竹宋秀泉黄大伟杨展豪
Owner 贺州久源矿业有限公司
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