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Particle coal classified flotation machine

A flotation machine and sorting technology, which is applied in flotation, solid separation, etc., can solve the problems of poor sorting effect and narrow sorting range, and achieve the effect of thorough sorting, good sorting effect and less waste in coal mines

Inactive Publication Date: 2017-08-11
SOUTHWEAT UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a granular coal classification flotation machine to solve the technical problems of the existing granular coal classification flotation machine with narrow separation range and poor separation effect

Method used

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  • Particle coal classified flotation machine

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] As shown in the figure, the granular coal classification flotation machine of this embodiment includes a primary separation tank 1 and a secondary separation tank 2 coaxially arranged outside the primary separation tank, and the bottom of the secondary separation tank An annular plate support plate 3 fixedly connected to the bottom of the first-level sorting tank is arranged in the middle; a gap groove 4 is provided around the upper end of the first-level sorting tank to allow the foam to flow into the second-level sorting tank, and the first-level sorting tank The bottom is provided with a coal slurry outlet 5, and the coal slurry outlet is located on the outside of the annular support plate; the bottom of the secondary separation tank is provided with a slag outlet 6, and the upper periphery of the secondary separation tank is provided with an a...

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Abstract

The invention discloses a particle coal classified flotation machine. The particle coal classified flotation machine comprises a first-level sorting tank and a second-level sorting tank coaxially arranged outside the first-level sorting tank. An annular plate supporting plate fixedly connected with the bottom of the first-level sorting tank is arranged in the middle of the bottom of the second-level sorting tank. The particle coal classified flotation machine further comprises a cover plate fixedly connected with the upper end of the first-level sorting tank. The cover plate is provided with a first-level stirring shaft, a first motor driving the first-level stirring shaft, second-level stirring shafts and second motors driving the second-level stirring shafts. The particle coal classified flotation machine can conduct sorting on particle coal in the wider grain size range, sorting is more thorough, coal waste is less, and the sorting effect is good.

Description

technical field [0001] The invention relates to the technical field of mineral flotation, in particular to a granular coal classification flotation machine. Background technique [0002] Foam flotation is often used to separate fine minerals. Compared with shaking table mineral separation, high gradient magnetic separation and oil accumulation, bubble flotation has better efficiency and lower cost. The main principle of the flotation method is based on the difference in the surface chemical properties of coal and gangue, and the separation of coal and gangue by using the natural hydrophobicity of the surface of coal particles and the hydrophilicity of gangue. [0003] In the prior art, a hollow shaft tube is usually used to introduce air into the slurry, and the stirring blade at the end of the shaft tube rotates to agitate the slurry, so that the air is dispersed into the slurry to form air bubbles, which will capture mineral coal particles and rise to the On the upper par...

Claims

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Application Information

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IPC IPC(8): B03D1/02B03D1/16
Inventor 彭铁锋朱坤垅封冬霞高雪超徐龙华
Owner SOUTHWEAT UNIV OF SCI & TECH
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