CN108568352A - Cyclone - Google Patents

Abstract

The invention discloses a kind of cyclones, for sieving ore pulp, the cyclone includes the ontology with cavity, opens up stock inlet, overflow port and the underflow opening being connected on the body and with the cavity, and the underflow opening is opened on the side wall of the ontology, and close to the lower end of the ontology.The present invention cyclone compared with the existing technology in cyclone, changing the position that opens up of underflow opening, (underflow opening in the prior art opens up or is formed in the lower end of ontology, that is underflow mouth down), underflow opening is opened on the side wall of ontology, the underflow opening runs through the inner wall of cavity, to reduce the fine grain content from ore pulp derived from underflow opening, coarse grained content is increased, to improve the separation performance of cyclone.

Description

Cyclone

Technical field

The present invention relates to a kind of cyclones for sieving ore pulp.

Background technology

Cyclone be it is a kind of it is common can according to proportion and granularity, to the equipment that solid-solid, solid-liquid carry out separation classification, Its operation principle is centrifugal sedimentation.When two-phase (or three-phase) mixed liquor to be separated with certain pressure from cyclone feeding-passage into After entering in cyclone, generates strong Three-Dimensional Elliptic and rotate mitigation turbulent motion by force.Due to coarse granule (or heavy phase) and thin It is poor (or density contrast) that there is granularities between grain (or light phase), and the sizes such as the centrifugal force being subject to, centripetal buoyancy, fluid drag are not Together, it being acted on by centrifugal sedimentation, most crude particle (or heavy phase) is discharged through cyclone underflow opening, and most of fine grained (or it is light Phase) it is discharged by overflow port, to achieve the purpose that separation classification.

The overflow port of cyclone in the prior art set respectively with underflow opening it is corresponding set cyclone ontology upper and lower two End, and the direction of overflow port and underflow opening is just the opposite, the particle isolated from underflow opening, the particulate percentages of minor diameter Larger, the separating property of cyclone is poor.

Invention content

For the above-mentioned technical problems in the prior art, the embodiment provides a kind of cyclones.

In order to solve the above technical problems, the embodiment of the present invention the technical solution adopted is that：

A kind of cyclone, for sieving ore pulp, the cyclone includes the ontology with cavity, opens up on the body And stock inlet, overflow port and the underflow opening being connected to the cavity, the underflow opening are opened on the side wall of the ontology, and Close to the lower end of the ontology.

Preferably, the lower end of the ontology offers the venthole for making the outside air enter the cavity.

Preferably, the first radially extending pipe at least in the ontology is provided on the side wall of the ontology, it is described First pipe is docked with the underflow opening, and the endoporus of first pipe forms the underflow channel being connected to the underflow opening.

Preferably, spin in the axis Yu the cavity in the underflow channel movement ore pulp particle linear velocity direction Unanimously.

Preferably, the underflow channel is in taper hole shape, and the diameter of the input end in the underflow channel is logical less than the underflow The diameter of the outlet end in road.

Preferably, the cyclone further includes the second pipe, and the overflow port is opened in the upper end of the ontology, and described second Pipe is arranged in the overflow port and is extending at least partially into the cavity, and the endoporus of second pipe is formed and the cavity The overflow ducts of connection.

Preferably, the stock inlet is opened in the side wall of the ontology and the upper end close to the ontology, on the ontology It is provided with third pipe at least radially extending in the ontology, the endoporus of the third pipe is formed to be connected to the stock inlet Slurry intake channel.

Preferably, the cavity is in taper hole shape, and the diameter of the upper end of the cavity is more than the lower end diameter of the cavity.

Preferably, the ontology includes upper shell, middle cylinder body and lower shell, between the upper shell and the middle cylinder body with And pass through flanged joint between the middle cylinder body and the lower shell.

Compared with prior art, the advantageous effect for the cyclone that the embodiment of the present invention is provided is：The eddy flow of the present invention Device compared with the existing technology in cyclone, changing the position that opens up of underflow opening, (underflow opening in the prior art opens up or shape At in the lower end of ontology, i.e. underflow mouth down), underflow opening is opened on the side wall of ontology, the underflow opening is interior through cavity Wall increases coarse grained content to reduce the fine grain content from ore pulp derived from underflow opening, to improve rotation Flow the separation performance of device.

Description of the drawings

Fig. 1 is the front view for the cyclone that the embodiment of the present invention provides.

Fig. 2 is the upward view for the cyclone that the embodiment of the present invention provides.

Fig. 3 is the half sectional view for the cyclone that the embodiment of the present invention provides.

Fig. 4 is distribution schematic diagram of the ore pulp of different-grain diameter in cavity.

In figure：

10- ontologies；11- upper shells；111- third pipes；12- middle cylinder bodies；13- lower shells；131- first is managed；14- ventilates Hole；20- stock inlets；30- underflow openings；40- flanges；50- cavitys；60- overflow ports；70- second is managed；101- maximum loops；102- is most Small ring.

Specific implementation mode

To make those skilled in the art be better understood from technical scheme of the present invention, below in conjunction with the accompanying drawings and specific embodiment party Formula elaborates to the present invention.

As shown in Figure 1 to Figure 3, embodiment of the invention discloses that a kind of cyclone, the cyclone are former using centrifugal sedimentation Reason detaches the coarse granule (the larger particle of grain size) in ore pulp with fine grained (the smaller particle of grain size).Specifically, cyclone Including ontology 10；Wherein, columnar cavity 50 is formed in ontology 10 (when using cyclone, makes cavity 50 be vertically arranged, ontology 10 One end corresponding with the upper end of cavity 50 is the upper end of ontology 10, and the one end corresponding with the lower end of cavity 50 of ontology 10 is ontology 10 Lower end), stock inlet 20, overflow port 60 and the underflow opening 30 of cyclone are opened on ontology 10, and with cavity 50 connect It is logical.Ore pulp to be sieved is sprayed into cavity 50 by stock inlet 20, ore pulp carries out spiral fortune in cavity 50 with certain speed Dynamic, to make the fine grained in ore pulp be exported from overflow port 60, the coarse granule in ore pulp is exported from underflow opening 30.The pass of the present invention Key is：So that underflow opening 30 is opened on the side wall of ontology 10, and makes underflow opening 30 close to the lower end of ontology 10.

The cyclone of the present invention compared with the existing technology in cyclone, change underflow opening 30 to open up position (existing Underflow opening 30 in technology opens up or is formed in the lower end of ontology 10, i.e. underflow opening 30 downward), underflow opening 30 is opened in ontology On 10 side wall, which runs through the inner wall of cavity 50, to reduce the fine grained from ore pulp derived from underflow opening 30 Content, coarse grained content is increased, to improve the separation performance of cyclone.

The reason of cyclone of the invention can improve separation performance is described below, to be better understood from the present invention Technical solution.

After ore pulp enters cavity 50 by stock inlet 20 at a relatively high speed, make centrifugation spiral shell under the constraint of the inner wall of cavity 50 Rotation movement, during movement, the bigger particle of grain size (coarse granule) is closer to the inner wall of cavity 50, and accordingly, grain size is got over Small particle (fine grained) further away from cavity 50 inner wall, if as shown in figure 4, the radial cutting of cavity 50 is opened, in cavity 50 Ore pulp forms annular distribution in cavity 50 successively according to the size of grain size, and the maximum loop 101 close to 50 inner wall of cavity is grain size Maximum ore pulp, the minimum ring 102 close to 50 middle part of cavity are the ore pulp of grain size minimum.Cyclone in the prior art is by underflow Mouth 30 is opened in the lower end of ontology 10, and the underflow opening 30 is so that the particle of various grain sizes passes through, to make to export from underflow opening 30 Ore pulp in be mixed into the smaller particle of grain size more, to reduce the separation performance of cyclone.And it is of the invention, by underflow opening 30 It is opened on the side wall of ontology 10, the underflow opening 30 is in radial directions closer to the maximum mine of grain size for forming maximum loop 101 Slurry exports to which the ore pulp for keeping grain size bigger is easier from underflow opening 30, and radially away from smaller of the grain size of underflow opening 30 Grain is difficult or can not be exported by underflow opening 30 due to by the blocking of the greater particle size particle of outer shroud, to make underflow opening 30 Coarse granule occupies exhausted large scale in derived ore pulp, and fine grained occupies that ratio is smaller, to improve the sorting of cyclone Energy.

In a preferred embodiment of the invention, as shown in figure 3, overflow port 60 is opened in the upper end of ontology 10, ontology 10 lower end offers the venthole 14 for making outside air enter cavity.The venthole 14 is so that outside air enters cavity 50 are exported with pushing the smaller particle quickening positioned at 50 middle part of cavity to move upwards from overflow port 60, to further improve The separation performance of cyclone.

In a preferred embodiment of the invention, as shown in Figures 2 and 3, it is provided on the side wall of ontology 10 and at least exists The first radially extending pipe 131 of ontology 10, the first pipe 131 are docked with underflow opening 30, and the endoporus of the first pipe 131 is formed and bottom The underflow channel that head piece 30 is connected to.First pipe 131 can be only in the extension in the radial direction of ontology 10, i.e. the first pipe 131 and sky Chamber 50 is vertically arranged；Certainly, the first pipe 131 also can radially and axially extend simultaneously, i.e. the first pipe 131 and cavity 50 with Certain angle of inclination setting.The specific extending direction of first pipe 131 should be with the ore pulp particle for movement of spinning in cavity 50 Linear velocity direction unanimously exports to keep ore pulp more convenient from underflow channel.

In a preferred embodiment of the invention, as shown in figure 3, underflow channel is arranged to taper hole shape, that is, underflow is logical The diameter of the input end in road is less than the diameter of the outlet end in underflow channel.That is, the section face close to the underflow channel of underflow opening 30 Product is smaller, and the area of section in the underflow channel far from underflow opening 30 is larger.In this way, the underflow channel effectively prevents ore pulp envelope Get lodged in the outlet end in underflow channel.

In a preferred embodiment of the invention, as shown in figure 3, cyclone further includes the second pipe 70, overflow port 60 is opened It is located at the upper end of ontology 10, the second pipe 70 is arranged in overflow port 60 and is extending at least partially into cavity 50, the second pipe 70 Endoporus forms the overflow ducts being connected to cavity 50.Second pipe 70 has certain guiding role to fine grain export.

Enter cavity 50 for convenience of ore pulp, stock inlet 20 is opened in the side wall of ontology 10 and close to the upper end of ontology 10, originally Third pipe 111 at least radially extending in ontology 10 is provided on body 10, the endoporus of third pipe 111 is formed to be connected with stock inlet 20 Logical slurry intake channel.The third pipe 111 can only extend in radial directions, i.e., third pipe 111 is vertically arranged with cavity 50, when So, third pipe 111 also can radially and axially extend simultaneously, i.e., third pipe 111 is set with cavity 50 with certain angle of inclination It sets.It is consistent to keep ore pulp more square that the specific extending direction of third pipe 111 should enter the linear velocity direction of cavity 50 with ore pulp Just enter cavity 50 from stock inlet 20.

There is ore pulp to keep cavity 50 larger to grain size astriction, cavity 50 to be arranged to taper, cavity radially The diameter of 50 upper end is more than the lower end diameter of cavity 50, to which the larger ore pulp of particle constantly collects and from top to bottom from underflow Mouth 30 exports.

It is fabricated for convenience of cyclone, the ontology 10 in the present embodiment is arranged to separate structure, and specifically, ontology 10 wraps Include upper shell 11, middle cylinder body 12 and lower shell 13, between upper shell 11 and middle cylinder body 12 and middle cylinder body 12 and lower shell 13 it Between connected by flange 40.

Above example is only exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.

Claims (9)

1. a kind of cyclone, for sieving ore pulp, the cyclone includes the ontology with cavity, opens up on the body simultaneously Stock inlet, overflow port and the underflow opening being connected to the cavity, which is characterized in that the underflow opening is opened in the ontology On side wall, and close to the lower end of the ontology.

2. cyclone according to claim 1, which is characterized in that the lower end of the ontology is offered for making the external world Air enters the venthole of the cavity.

3. cyclone according to claim 1, which is characterized in that be provided on the side wall of the ontology at least at described Radially extending first pipe of body, first pipe are docked with the underflow opening, the endoporus formation of first pipe with it is described The underflow channel of underflow opening connection.

4. cyclone according to claim 3, which is characterized in that do spiral shell in the axis in the underflow channel and the cavity The linear velocity direction for revolving the ore pulp particle of movement is consistent.

5. cyclone according to claim 3, which is characterized in that the underflow channel is in taper hole shape, the underflow channel Input end diameter be less than the underflow channel outlet end diameter.

6. cyclone according to claim 5, which is characterized in that the cyclone further includes the second pipe, the overflow port It is opened in the upper end of the ontology, second pipe is arranged in the overflow port and is extending at least partially into the cavity, The endoporus of second pipe forms the overflow ducts being connected to the cavity.

7. cyclone according to claim 1, which is characterized in that the stock inlet is opened in the side wall of the ontology and leans on The upper end of the nearly ontology is provided with third pipe at least radially extending in the ontology, the third pipe on the ontology Endoporus form the slurry intake channel that is connected to the stock inlet.

8. cyclone according to claim 1, which is characterized in that the cavity is in taper hole shape, the upper end of the cavity Diameter is more than the lower end diameter of the cavity.

9. cyclone according to claim 1, which is characterized in that the ontology includes upper shell, middle cylinder body and lower shell, Pass through flanged joint between the upper shell and the middle cylinder body and between the middle cylinder body and the lower shell.