Unpressurized feeding three-product dense medium cyclone for high-density separation

A dense medium cyclone and cyclone technology, applied in the direction of cyclone devices, etc., can solve the problems that affect the separation efficiency and quality, and can not effectively separate non-magnetic minerals, so as to achieve low cost and high secondary slime amount. Less, reduce the effect of over-crushing

Inactive Publication Date: 2012-11-07
韦善兵
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The density of the dense medium suspension used in the existing three-product dense medium cyclone is mostly below 1.8kg / L, so this kind of three-product dense medium cyclone cannot effectively separate non-magnetic minerals with high separation density , affecting sorting efficiency and quality

Method used

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  • Unpressurized feeding three-product dense medium cyclone for high-density separation

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings.

[0011] like figure 1 As shown, the three-product dense medium cyclone for high-density separation without pressure feeding is connected to the primary cyclone 1 with pressure feeding and the secondary cyclone 2 with pressure feeding through pipelines. The cone angle of the primary cyclone 1 is 5°~20°, the conical part of the secondary cyclone 2 is designed with a large cone angle, the cone angle is 30°~180°, and one end of the primary cyclone 1 is equipped with a low Density dense medium suspension inlet 3, concentrate outlet 4, the other end is provided with raw ore inlet 5; one end of the secondary cyclone 2 is provided with tailings outlet 6, and the bottom of the secondary cyclone 2 is provided with medium ore outlet 7. The installation inclination angle of the primary cyclone 1 is 30°-60°, and the secondary cyclone 2 is installed horizontally.

[0012] The abov...

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Abstract

The invention discloses an unpressurized feeding three-product dense medium cyclone for high-density separation and belongs to the technical field of sorting equipment. The dense medium cyclone comprises a primary truncated cone-shaped cyclone and a secondary cylindric-conoid cyclone which communicate with each other through pipelines. The cone angle of the primary cyclone is 5-20 degrees and the cone angle of the cone part of the secondary cyclone is 30-180 degrees. One end of the primary cyclone is provided with a low-density heavy medium fluid suspension inlet and a concentrate outlet, and the other end is provided with a raw ore inlet. One end of the secondary cyclone is provided with a mine tailing outlet and the lower portion of the secondary cyclone is provided with a middling outlet. The unpressurized feeding three-product dense medium cyclone provided by the invention can be used to effectively sort high-density minerals and is especially suitable for sorting of minerals with the density being greater than 2.4 kg / L. The dense medium cyclone has advantages of simple production technology, low cost, little environmental pollution and high grade of obtained concentrate products.

Description

technical field [0001] The invention relates to a sorting equipment for mines, in particular to a three-product heavy medium cyclone with no-pressure feeding for realizing high-density sorting. Background technique [0002] At present, the three-product dense medium cyclone has been widely used in the separation of the coal industry at home and abroad. The three-product heavy medium cyclone uses centrifugal force to not only effectively separate the raw coal, but also produce qualified clean coal. Moreover, the low-density suspension is concentrated, and the density of the suspension is further increased to realize secondary re-election, and finally two products of medium coal and gangue are separated. The density of the dense medium suspension used in the existing three-product dense medium cyclone is mostly below 1.8kg / L, so this kind of three-product dense medium cyclone cannot effectively separate non-magnetic minerals with high separation density , affecting the sortin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B04C9/00
Inventor 韦善兵
Owner 韦善兵
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