SU895519A1 - Hydraulic cyclone - Google Patents

Description

The invention relates to K () r: cTi) VKu.iiii classifiers-r1 hydrocyclones;. It can be used in the pulp-bumank, chemical, ore-dressing and other industries in the industry for os.zet.1., thickening and classification of suspensions.

A hydrocyclone is known that contains a separation chamber with a cylindrical part equipped with nozzles for introducing the initial suspension and withdrawal of the clarified iroduct, and a conical part with an outlet for the condensed product. ; consisting of several consecutively:) located along the axis of the round into the poab: | 1chn.ch section of the sections that form a helical groove for the directional output of the joint product 1.

The initial suspension is separated and the hydrocyclone under the action of centrifugal forces. The clarified product in the form of an internal upstream is discharged through the axial nozzle of the cylindrical part of the chamber, and the condensed product in the form of an inward descending stream is discharged through the axial opening of the conical part of the cavity.

1- | e.1status, of the known hydrocyclone B.1. Lal suspension separation efficiency, since a part of each post: the section with respect to the hydroceleral section from the cylindrical part of the chamber protrudes in the separation chamber; ) |; cnoco6cTivveT e. shifting part of the condensed product stream with the stream of clarified product. In addition, hydrocyclone has a shorter service life due to hydro-abrasive end face wear. in oiif HpHNHiiKaHHH their friend to

According to the cyniHocT technology, it is the most useful to the invention: and the resultant resultant is a hydrocyclone containing a CEI radio chamber with an inlet port, exits the suspension: the outlet port is clarified, 1n, th, successively; one to another kgChmicheskie herktions, installed in general, adjacent to the outlet nozzle of the condensed pro- duct. of the separation chamber GD.

due to the fact that a continuous selection of a part of the initial divided flow into the gaps between the cone sections is carried out.

The purpose of the invention is to increase the efficiency of the separation of suspension by creating additional forces that affect the flow of the separated suspension and increase the service life of the hydrocyclone.

The goal is achieved by the fact that in a hydrocyclone containing a senorization chamber with an inlet pipe for introducing the initial suspension and an outlet pipe for the clarified product, successively located and buried in one another the conical sections installed in a common casing adjacent to the outlet pipe for the condensed product of the separation chamber The side of the tapered part of the preceding section in the direction from the separation chamber is placed inside the expanding part of each subsequent section.

FIG. 1 shows a hydrocyclone, a general view; in fig. 2 through 7 are constructive embodiments of conic sections.

The hydrocyclone separation chamber contains a cylindrical part 1 with a tangential nozzle 2 of the initial suspension, an axial nozzle 3 of the clarified product and a conical part consisting of sections 4 and ending at its top with an opening 5 for the condensed product. The outer (inner) side of the narrowing part 6 of the preceding section in the direction from the cylindrical part 1 of the chamber to the conical part is covered by the inner side of the expanding part 7 of the subsequent section.

To reduce the wear of sections from the side of their end part, the tapered part 6 of the preceding section is buried in the expanded part 7 of the next section. To reduce the complexity of the processing of sections made of wear-resistant materials, such as corundum, the front side of the tapered part of the previous section, buried in my expanding part of the subsequent section, can be made with an inclination of 8 relative to the section axis (see FIG. 3). In order to increase the service life of the section, a circular flat 9 is located in the zone of the inner edge of the end on the narrowing part of the section (cf. Fig. 4), which it is advisable to perform expanding in the direction from the outlet pipe of the condensed product 10 (see Fig. 5). the axis of the circular face can be shifted relative to the axis of the section (see, for example, Fig. 6). To eliminate the possibility

the release of fragments in the destruction of individual sections made of fragile materials, they can be placed in a common casing 11.

Hydrocyclone works as follows.

The initial suspension is fed through the tangential nozzle 2 into the cylindrical part of chamber 1, from where a horse is driven into the separation section of the separation chamber as a rotating flow. When switching from each narrowing part 6, which can be made in different ways (cf. Figs. 1-6), the expanding part 7 of the suspension is subjected to centrifugal forces and shaken (vibrated) and separated. m on the clarified product, which is discharged through the axial nozzle 3, and condensed product 4t, which is discharged through the axial hole 5.

Thus, due to the fact that the inner sides of the tapering portions of a series of preceding sections in the direction from the cylindrical part of the chamber are covered by the outer side of the expanding portions of the subsequent sections, the separable suspension is subjected to additional forces that contribute to the efficiency of the separation of the suspension. In addition, the life cycle of the hydrocyclone is increased.

Claims (2)

1. French Patent No. 2376701.C. B 04 C 5/16, 1978. 2. US patent JV 3925045, cl. 55-345. 1975 (prototype).