SU1699623A1 - Hydraulic cyclone - Google Patents

Abstract

This invention relates to the enrichment of minerals and can be used in the chemical and other industries. The goal is to increase the separation efficiency of the finely divided material by washing out fine particles from the surface layer. The hydrocyclone contains a cylindrical housing 1 with lining 2, a supply nozzle 3, a sandbox 4 and a drain nozzle 5, a tangential slot 6 with a water supply nozzle 7, a valve 8 and a pressure gauge 9. Water is supplied through the nozzle 7 into the hydrocyclone 3 - the original power. The solid particles are thrown to the walls of the housing 1 and, lowering to the sand nozzle 4, cross the slot 6, through which they are washed. Fine particles are discharged through the discharge nozzle 5, 2 or less.

Description

The invention relates to the enrichment of minerals and can be used for the classification of granular materials by size, density in the aquatic environment in the ore-processing, chemical and other sectors of the industry.

The purpose of the invention is to increase the separation efficiency of finely divided material by washing out fine particles from the near-wall layer.

Figure 1 presents a General view of the hydrocyclone, section; figure 2 - section aa in figure 1.

The hydrocyclone consists of a cylindrical housing 1 with lining 2, feeding pipe 3, sand 4 and a drain nozzle 5. Along the generatrix of the conical part of housing 1 and lining 2, a tangential slot 6 is made, tightly

closed adjacent from the outside of the housing with a water inlet nozzle 7. In the nozzle 7, a slot is made adjacent to the slot 6. The nozzle 7 has a valve 8 for regulating the water supply and a pressure gauge 9 for measuring the water pressure.

The hydrocyclone works as follows 65 times.

Water is supplied to the interior of the housing 1 through the pipe 7 and the tangential gap 6. Through the pipe 3, the initial power is supplied, after which the water pressure is adjusted by the valve 8 to a value slightly exceeding the movement of the initial pulp from the inlet to the hydrocyclone. Under the action of centrifugal forces, the source material is divided into size classes. Larger, coarse and dense grains are thrown against the walls of the hydrocyclone.

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in this case, a mechanical capture of a part of the thin and involving them by a downward spiral flow to the sand nozzle 4 occurs. As it moves, the spiral flow repeatedly crosses the narrow tangential slot 6 and under its crossing is exposed to the pushing force of water continuously flowing into the slot hole 6. The surface layer is loosened and fine particles are washed out of it. The fine particles exit the main flow, get into the ascending flow, and are removed through the discharge nozzle 5.

Thus, the present invention is characterized by high reliability in operation and in its use.

dramatically increases the efficiency of the material separation process.

Claims (1)

Claims of the invention A hydrocyclone comprising a cylindrical body with a slit hole in the conical part and a water inlet nozzle, a feeding nozzle, a drain and sand nozzle, characterized in that, in order to improve the classification of finely divided material by leaching thin particles from the near-wall layer along the forming surface of the conical part of the hydrocyclone, m is tightly closed by the adjacent water inlet fitting, made with a slot adjoining the gap. FIG. 2