SU1650260A1 - Microcyclone-thickener - Google Patents

Abstract

The invention relates to devices for thickening and can be used in the purification of turbid waters from suspended solids, as well as in other industries. The purpose of the invention is to increase the separation efficiency by-1 by ensuring the return of the secondary clarified phase of the separating element to the hydrocyclone body and improving the quality of mixing of the media. The original fluid enters the tangential nozzle 14, separates and passes into the separating element. The clarified phase from the drain pipe 11 through the pipeline 8 enters the multilateral nozzle 9 of the jet apparatus and, creating a vacuum in the receiving chamber of the discharge pipe 10, carries the second clarified phase into the pipeline 13 and further into the pipeline 12 into the hydrocyclone. 1 il.

Description

The invention relates to devices for thickening and can be used in the purification of turbid waters from suspended solids, as well as in other industries,

The purpose of the invention is to increase the separation efficiency by ensuring the return of the secondary clarified phase of the separating element to the hydrocyclone body and improving the quality of the 1 mixing media.

The drawing shows the proposed microcyclone thickener, a General view.

The microcyclone thickener contains a hydrocyclone 1 with a sand nozzle 2, to which separating element 3 is tangentially attached. Perpendicular to the sand nozzle 2 inside the separating element 3 are placed the blades 4, rigidly connected with an axle shaft 5, and an auger 6 on it in the bottom parts. Shaft 5

has free rotation and is fixed on three stiffening ribs 7 in the lower and upper parts.

A pipe 8, on which the jet nozzle 9 is placed, is attached to a discharge pipe 10 serving simultaneously as its receiving chamber and connected to the drain pipe 11 of the clarified hydrocyclone flow 10 by a pipe 8 and further by a pipe 12 entering the inside of the hydrocyclone to its axis and directed towards the exit of the clarified stream.

The nozzle 9 of the jet apparatus is made multi-sided and consists of two or more nozzles in the form of truncated cones, the smaller bases of which are directed toward the outlet of the nozzle. A piping 13 is placed along the central axis of the multi-nozzle 9 for the secondary supply of OSO.

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vetelen phase from the receiving chamber bypass pipe 10.

Tangentially the body of the cyclone installed inlet 14.

Microcyclone-thickener works as follows.

The source fluid enters the tangential inlet 14, twists and separates under the action of centrifugal forces.

Under pressure through the sand nozzle 2 at a speed of 5-8 M / s from the hydrocyclone 1, it enters the separation element 3, in which the secondary separation takes place. The flow causes the blades 4 to rotate and, accordingly, the shaft 5 and the screw 6. The weighed pulp is removed from the top of the separating element 3 by the screw b, and the clarified phase is raised by the upward flow, sucked through the outlet nozzle 10 serving as a receiving chamber of the jet apparatus.

The clarified phase from the drain pipe 11 via line 8 enters the multilateral nozzle 9 of the jet apparatus and, creating a vacuum in the receiving chamber of the discharge pipe 10, carries the secondary clarified phase into the pipe 13 and further into the pipe 12 inside the hydrocyclone (the minimum upstream pressure area) downstream side of the stream. Making the active nozzle multi-stem provides a large contact surface for active and passive media and improves the capture of the active passive medium, which increases the mixing of the media.

In addition, the separation efficiency and mixing quality is improved by returning the second clarified phase to the multi-barrel nozzle 9 of the jet apparatus, to which the clarified phase is fed.

Claims (1)

The invention claims a microcyclone thickener containing a hydrocyclone with a tangential inlet a branch pipe, a drain branch pipe and a Peskov nozzle, on which a separating element is placed perpendicular to its axis with a discharge pipe connected by a pipeline to the drain pipe hydrocyclone, jet apparatus, the separating element being equipped with a shaft mounted on its axis with blades and a screw fixed on it, while the jet apparatus is attached to the diverting the separation element nozzle, and the end of the pipeline is located inside the hydro cyclone and is directed in the direction of the upstream movement, characterized in that, in order to increase the efficiency separation by ensuring the return of the secondary clarified phase of the separating element to the hydrocyclone body and improving the quality of mixing of the media, the jet device is connected by a pipeline to the drain pipe of the clarified hydrodynamic flow, and the jet nozzle of the jet device is made in the form of coaxially mounted truncated cones weekend the nozzle holes, while the pipeline is located along the axis of the nozzle for supplying the secondary clarified phase of the separating element.