Hydraulic classifier

Abstract

The invention discloses a hydraulic classifier. The hydraulic classifier is characterized by comprising a classifying mechanism consisting of a conical classifying chamber, a feeding mechanism consisting of a feeding well, a feeding pipe and a material mixing barrel, a discharging system consisting of an overflow discharging mechanism and a desilting discharging mechanism, and a water supplying system, wherein the overflow discharging mechanism is arranged at the upper part of the conical classifying chamber, the lower end of the conical classifying chamber is connected with a water supplying barrel, the feeding well is installed in the conical classifying chamber in a way of being coaxial with the conical classifying chamber, a feeding port of the feeding well is connected with the material mixing barrel through the feeding pipe, the lower end of the water supplying barrel is connected with a U-shaped pipe communicating vessel, the desilting discharging mechanism is arranged at an underflow collecting section at the bottom of the U-shaped pipe communicating vessel, the water supplying system consists of a bottom water supplying mechanism and a middle water supplying mechanism, the middle water supplying mechanism consists of a middle water supplying pump, a water supplying pipe for communicating the middle water supplying pump with the water supplying barrel, and a 360-degree nozzle installed at the water outlet end of the water supplying pipe extending into the water supplying barrel, and the bottom water supplying mechanism consists of a bottom water supplying pump, a water supplying tank arranged above a port of the U-shaped pipe communicating vessel higher than the conical classifying chamber, the U-shaped pipe communicating vessel and a water supplying pipe for communicating the bottom water supplying pump with the water supplying tank.

Description

technical field [0001] The invention utilizes the characteristic water flow to interfere with particle settlement to realize the classification of fine-grained materials, and is specifically a hydraulic classifier. Background technique [0002] With the "poor, miscellaneous, and fine" coal resources and the improvement of mining mechanization, the fine particle content of selected raw coal continues to increase, resulting in more and more fine particle materials in classification operations. Usually, the particle size of this part of coarse coal slime is small and the particle size range is wide, so it is not easy to sort. Classification is an effective means of pretreatment of coarse coal slime, and the use of suitable classification equipment is the key to its classification. [0003] The hydraulic classifier is a kind of hydraulic classifying equipment that uses the difference in mineral specific gravity and particle size to stratify due to the interference of sedimentat...

AI Technical Summary

Problems solved by technology

[0007] The equipment of the present invention aims at the shortcomings of conventional classifiers such as few adjustable parameters, low degree of automation, and low classification efficiency, and redesigns the existing hydraulic classification equipment structure and optimizes parameters to improve its classification accuracy and classification efficiency

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