Heavy-media dry-method separator with vibration discharge function

Abstract

The invention discloses a heavy-media dry-method separator with a vibration discharge function, and belongs to the field of separating equipment. In the structure of the separator: the front end of a box frame is equipped with a raw material entrance, and the rear end of the box frame is equipped with a light product discharge port and a heavy product discharge port; the box frame is internally equipped with a gas distributor, the front end of the gas distributor is correspondingly arranged below the raw material entrance on the box frame, and the rear end of the gas distributor is connected with the heavy product discharge port; the bottom of the box frame, from top to bottom, is sequentially equipped with a separating air chamber and discharging air chambers which are connected with the bottom of the gas distributor; a layer of medium draining screen plate is arranged above the gas distributor, the medium draining screen plate is shorter than the gas distributor, the front end of the medium draining screen plate is equipped with a kick-off wheel, the kick-off wheel and the front end of the medium draining screen plate are positioned in the back of the raw material entrance on the box frame, and the rear end of the medium draining screen plate is connected with the light product discharge port of the box frame; and the box frame is further equipped with a vibrator which can drive the gas distributor and the medium draining screen plate in the box frame to vibrate. The heavy-media dry separator has the advantages of simple structure, high separating efficiency, small heavy medium circulation quantity and good running stability.

Description

technical field [0001] The invention relates to the field of sorting equipment, in particular to a vibration-discharging dry-process dense medium sorter. Background technique [0002] Air dense medium fluidized bed coal preparation uses the gas-solid suspension formed by the contact of air and aggravated matter as the separation medium. The density of the suspension is basically equal to the separation density. It is a dry dense medium separation with high separation accuracy. , The advantages of wide adaptability. [0003] As early as 1925, when the fluidization technology came out, T.Fraser of the United States proposed to use a gas-solid fluidized bed to separate coal (US Patent No.: 1534846); in 1969, G.F.Eveson designed a flow system similar to a wet heavy medium. Bed dry separation machine (US Patent No.: 3471016); in 1980, J.M. Beeckmans of Canada developed a chain countercurrent fluidized bed coal separation device. The tailing coal was transported and discharged fr...

AI Technical Summary

Problems solved by technology

[0005] (1) The utilization rate of the effective area in the sorting machine is too small, the material is fed from the middle of the sorting machine, and the actual effective sorting area only accounts for half of the entire sorting area, resulting in a low processing capacity per unit area of ​​the sorting machine;

[0006] (2) The delivery method of light and heavy products needs to be improved. The gap between the discharge scraper and the gas distributor may be filled with flat gangue blocks, and the extruded coal particles will be embedded in the pores, causing local blockage of the gas distributor and affecting the uniformity of air distribution. And the long-term stable operation of the sorting machine

Images