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Method and equipment for increasing high-concentration classification efficiency of hydrocyclone

A technology of hydrocyclone and classification efficiency, which is applied in the direction of the device where the axial direction of the swirl can be reversed, the swirl device, etc., which can solve the problems of low classification efficiency and difficulty in increasing the concentration of classification overflow products, and achieve improved classification. efficiency effect

Inactive Publication Date: 2012-06-27
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the low efficiency of high-concentration classification, industrial classification is carried out at the lowest possible concentration, and it is difficult to increase the concentration of classification overflow products.

Method used

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  • Method and equipment for increasing high-concentration classification efficiency of hydrocyclone
  • Method and equipment for increasing high-concentration classification efficiency of hydrocyclone
  • Method and equipment for increasing high-concentration classification efficiency of hydrocyclone

Examples

Experimental program
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Embodiment 1

[0028] The method for improving the high-concentration classification efficiency of the hydrocyclone in this embodiment is that when the hydrocyclone classification equipment system is in normal operation, the pressures of 0, 0.2, 0.4, 0.6, 0, 0.2, 0.4, 0.6, The air of 0.78MPa, the operating conditions of the solid material and sand pump used are shown in Table 1 and Table 2, and the classification efficiency obtained is shown in Table 2.

[0029] In this embodiment, the equipment for improving the high-concentration classification efficiency of the hydrocyclone, such as figure 2 As shown, it consists of a hydrocyclone grading system and an aeration system. A conventional hydrocyclone grading system includes a pump pool (1), a sand pump (2), a pressure gauge (3) and a hydrocyclone (4). The system includes an air compressor (5), a fixed pipe (6) and a connecting pipe (7). 7) Connected, the inlet end (A) of the fixed pipe in the inflation system is higher than the outlet end (...

Embodiment 2

[0035] The method for improving the high-concentration classification efficiency of the hydrocyclone in this embodiment is that when the hydrocyclone classification equipment system is in normal operation, the pressures of 0, 0.2, 0.4, 0.6, 0, 0.2, 0.4, 0.6, The air of 0.78MPa, the operating conditions of the solid material and sand pump used are shown in Table 3 and Table 4, and the classification efficiency obtained is shown in Table 4.

[0036] In this embodiment, the equipment for improving the high-concentration classification efficiency of the hydrocyclone, such as figure 2 As shown, it consists of a hydrocyclone grading system and an aeration system. A conventional hydrocyclone grading system includes a pump pool (1), a sand pump (2), a pressure gauge (3) and a hydrocyclone (4). The system includes an air compressor (5), a fixed pipe (6) and a connecting pipe (7). 7) Connected, the inlet end (A) of the fixed pipe in the inflation system is higher than the outlet end (...

Embodiment 3

[0042] The method for improving the high-concentration classification efficiency of the hydrocyclone in this embodiment is that when the hydrocyclone classification equipment system is in normal operation, the pressures of 0, 0.2, 0.4, 0.6, 0, 0.2, 0.4, 0.6, The air of 0.78MPa, the operating conditions of the solid material and sand pump used are shown in Table 5 and Table 6, and the classification efficiency obtained is shown in Table 6.

[0043] In this embodiment, the equipment for improving the high-concentration classification efficiency of the hydrocyclone, such as figure 2 As shown, it consists of a hydrocyclone grading system and an aeration system. A conventional hydrocyclone grading system includes a pump pool (1), a sand pump (2), a pressure gauge (3) and a hydrocyclone (4). The system includes an air compressor (5), a fixed pipe (6) and a connecting pipe (7). 7) Connected, the inlet end (A) of the fixed pipe in the inflation system is higher than the outlet end (...

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Abstract

The invention provides a method and equipment for increasing high-concentration classification efficiency of a hydrocyclone and belongs to the field of hydraulic classification in ore dressing and classification of solid materials in other liquids. According to the method and the equipment, an inflation system is arranged at the ore feeding opening of the hydrocyclone to continuously charge air into the hydrocyclone from the ore feeding opening; and thus, the ore feeding volume concentration of the hydrocyclone can be retained without changing the mass concentration and the high-concentration (the mass concentration is over 50 percent) classification efficiency of the hydrocyclone can be improved obviously.

Description

[0001] technical field [0002] The present invention relates to a method and equipment for improving the high-concentration classification efficiency of a hydrocyclone, more specifically, a method and equipment for improving the high-concentration (mass concentration greater than 50%) classification efficiency of a hydrocyclone, and belongs to the hydrocyclone in mineral processing. Classification and other fields of classification of solid materials in liquids. Background technique [0003] When the hydrocyclone is working (such as figure 1 Shown), the ore (volume) concentration is always greater than 3%, and the settlement of solid particles is interference settlement. Due to the enhancement of the interference settlement effect, the classification efficiency of the hydrocyclone decreases sharply when the ore concentration is high. [0004] When the ore feed concentration exceeds the critical concentration, the interaction between the particles causes the hydrocyclone t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B04C5/00
Inventor 庄故章周平汪勇朱照照钟旭群
Owner KUNMING UNIV OF SCI & TECH
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