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Centrifugal concentrator

A concentrator and centrifugal technology, applied in centrifuges, centrifuges with rotating drums, solid separation, etc., can solve the problems of screw and outer cone wear, design complexity, defects, etc., and achieve simplified design Effect

Inactive Publication Date: 2014-11-12
弗拉基米尔·米哈伊洛维奇·列皮奥欣 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The closest prior art is flawed due to design complexity and wear on the screw and outer cone (when dealing with wear resistant materials)

Method used

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  • Centrifugal concentrator

Examples

Experimental program
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Effect test

Embodiment Construction

[0018] The operation of the thickener is as follows:

[0019] The raw material in the form of slurry is pumped into the rotor through the supply sleeve 2 to the bottom of the cone 5. The centrifugal force forces the slurry to be sprayed against the wall of the cone, and as the slurry moves towards the boundary 7, the slurry is divided into layers. The heavy minerals are deposited on the inner surface of the cone 5, slide toward the slot 9 and enter the shell 6. The slurry is flushed out of the shell by the water flow on the boundary 8 and leaves the tube 12 into the heavy debris collector 4. . Light debris flows on the boundary 7 into the receiver 3. The inner diameter of the boundary 8 may be equal to or smaller than the inner diameter of the boundary 7. The length of the diameter depends on the position of the rotor axis, the size of the centrifugal force, and the mineral composition of the raw material. The outflow of heavy debris with a fixed inner diameter of the boundar...

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PUM

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Abstract

The invention relates to the field of mineral processing and can be used for separating solid particles according to density, for example in factories in the polymetal industry, in tin production plants and in gold mining plants, both at the initial enrichment stage and in the processing of industrial waste. The technical result consists in simplifying the design and increasing the operational reliability of the apparatus as well as enhancing the quality of the concentrate produced. The concentrator comprises a rotor (1), mounted on a rotational shaft, a feed pipe (2), a light fraction receiver (3) and a heavy fraction collector (4). The rotor (1) comprises a cone (5) with a base, and a cylindrical shell (6) with an annular runoff lip (7) on the light fraction receiver side and an annular lip for collecting the heavy fraction (8). An annular gap (9) is provided between the edge of the large base of the cone and the cylindrical shell (6). The inner cone of the rotor is rigidly connected to the cylindrical shell. A sleeve (11) with a seal having a stationary tube (12) inserted therein is disposed along the rotor axis on the base of the inner cone. The sleeve (11) is connected to channels oriented inside the shell (6) for supplying flushing water to the outer shell.

Description

Technical field [0001] The present invention relates to the concentration of minerals and can be used to separate solids based on density, for example in complex metal industries, tin factories and gold mining industries for initial concentration and industrial waste pile treatment. Background technique [0002] It is well known that gravity separation is the most environmentally friendly method. Moreover, the centrifugal method is the most advanced and effective technology for concentrating small particle mixtures (placer or crushed ore) containing small and fine fragments of heavy minerals. Compared with traditional gravity flotation technology, centrifugal force helps to significantly reduce the size of recovered particles. The precious and heavy components of the raw materials can be equal to a few thousandths or more, and the thickener has to continuously dispense the heavy pieces. [0003] Centrifugal continuous discharge thickeners are well known in the prior art, such as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B5/32B04B1/00B04B7/08
CPCB03B5/32B04B1/00B04B7/08
Inventor 弗拉基米尔·米哈伊洛维奇·列皮奥欣
Owner 弗拉基米尔·米哈伊洛维奇·列皮奥欣