CN212069185U

CN212069185U - High-efficient stable hydrocyclone separation device

Info

Publication number: CN212069185U
Application number: CN202020070059.9U
Authority: CN
Inventors: 吴国平
Original assignee: Sichuan Gongyuan Technology Co ltd
Current assignee: Sichuan Gongyuan Technology Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-12-04
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a high-efficient stable hydrocyclone separation device, hollow cylinder including inside spiral slideway has, be located the cylinder below and be connected with the rotatable overflow chamber of motor, the outer overflow launder that is used for collecting the overflow liquid in overflow chamber top, during the use, the liquid stream carries out the initial gross separation through spiral slideway and gets into the vortex chamber, rotatory vortex chamber enables the liquid stream and produces the vortex rapidly, under vortex and centrifugal dual function, realize the separation, the liquid of heavy medium flows from lower extreme underflow opening, the liquid of light medium flows from the overflow launder, realize the separation, can solve the problem that exists among the prior art, realize high-efficient separation's purpose.

Description

High-efficient stable hydrocyclone separation device

Technical Field

The utility model belongs to the material separation field, specificly relate to an efficient swirler.

Background

The basic principle of the cyclone is as follows: the suspension enters the cyclone from the feeding pipe at a high speed along the tangential direction, the centrifugal force received by different components in the suspension is different, the separation is realized in the rotating process, heavy particles in the suspension are deposited at the bottom of the cyclone, the heavy particles are discharged from the underflow port, and the small particles flow out from the overflow pipe to realize the layering.

When current swirler started, closed or incident liquid flow velocity of flow changes, the inside vortex of swirler can be influenced and influence the separation effect, especially when ending, owing to do not have the liquid stream to get into, can't maintain the vortex in the swirler, so can only abandon the ore pulp, has caused the waste of resource, in addition, the overflow pipe often only opens a hole on the swirler in the swirler of prior art, under the more rare circumstances of ore pulp, influence production efficiency that can certain degree.

In order to improve the efficiency, the chinese utility model entitled "a cyclone overflow pulp grading device" with application number 201620904658.X discloses a high efficiency cyclone, which generates vortex by an impeller and precisely controls the feeding speed by a regulating valve so as to improve the separation efficiency; however, the impeller generates vortex, the impeller is necessarily inserted into the slurry, and the stratified slurry is probably disturbed, in addition, in the actual production, more and more manufacturers control the slurry proportion well before entering the cyclone instead of only adding a regulating valve on the cyclone, and under the condition of large-scale use, the regulating valve arranged on the cyclone needs to be regulated one by one, and the workload is increased additionally.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient stable hydrocyclone, can keep the stability of the in-process vortex of use, production efficiency is higher.

In order to achieve the above object, the utility model adopts the following technical scheme:

an efficient and stable cyclonic separating apparatus comprising: the device comprises a hollow shell, a spiral slideway, a rotational flow cavity, an overflow groove, a motor and a bearing plate, wherein the spiral slideway, the rotational flow cavity, the overflow groove, the motor and the bearing plate are arranged in the shell;

the spiral slideway is arranged on the inner wall of the hollow cylinder, the hollow cylinder is fixed below the feeding port on the inner side of the shell, so that the inlet at the top of the spiral slideway is close to the feeding port, the spiral slideway is arranged along a cylindrical spiral line on the inner wall of the cylinder, and the outlet of the spiral slideway is positioned below the plane of the top edge of the rotational flow cavity; the vortex cavity is of an inverted cone-shaped funnel structure, an outflow opening at the bottom of the vortex cavity penetrates through the shell to be communicated with the outside, annular teeth are horizontally arranged on the outer side surface of the vortex cavity, the shape of the annular teeth is matched with a transmission chain, and the motor is connected with the annular teeth on the side surface of the vortex cavity through the transmission chain and drives the motor to rotate;

the overflow groove is arranged on the inner wall of the shell, the height of the overflow groove is the same as the plane of the top edge of the cyclone cavity, and an opening is formed in the position, close to the top edge of the cyclone cavity, of the overflow groove;

the bearing plate is horizontally arranged on a flat plate in the shell, a through hole with the aperture smaller than the outer diameter of the rotational flow cavity is arranged on the geometric center of the bearing plate, the rotational flow cavity is arranged in the through hole, and the thrust bearing is arranged at the position where the rotational flow cavity is contacted with the bearing plate.

Further, a thrust bearing is arranged on the contact surface of the rotational flow cavity and the bearing plate.

Furthermore, a plurality of support rods are arranged below the bearing plate.

The utility model discloses can reach following beneficial effect at least:

1. the separation effect is better, and its separation effect can effectively be strengthened to the spiral chute on upper portion and the rotatory funnel of lower part.

2. The efficiency is higher, and overflow liquid can be collected more quickly by canceling the overflow pipe and adopting the overflow groove which surrounds the funnel by a circle.

3. The application range is wider, the rotating speed of the motor is adjustable, and the separation of ore pulp with different particle sizes can be realized by adjusting the rotating speed of the motor.

4. The waste of resources is reduced, the cyclone per se rotates to generate vortex, separation can be realized even if the ore pulp is little, and the ore pulp in the ending process can be well recovered.

Drawings

Fig. 1 is a schematic structural view of the present invention;

wherein: the device comprises a rotating flow cavity, a supporting plate 2, a transmission chain 3, an overflow groove 4, a feeding port 5, a spiral slideway 6, a motor 7, a thrust bearing 8, a bottom flow port 9, a machine shell 10 and a supporting column 11.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Fig. 1 shows a high-efficiency stable cyclone separator, which structurally comprises: the spiral slideway 6 is erected in the hollow cylinder, the inverted cone-shaped vortex cavity 1 rotates under the action of the motor 7, the overflow groove 4 is fixed on the machine shell 10 and used for receiving overflow liquid in the vortex cavity 1, the motor 7 drives the vortex cavity 1 to rotate, and the bearing plate 2 is positioned in the machine shell 10 and used for supporting the vortex cavity 1.

The machine shell 10 is a hollow cylinder, a material inlet 5 is arranged on the top surface of the machine shell 10, a round hole for the outflow port of the rotational flow cavity 1 to pass through is arranged on the bottom surface of the machine shell 10, the aperture of the round hole is larger than the outer diameter of the outflow port of the rotational flow cavity 1, a spiral slideway 6 is arranged in the machine shell 10 below the material inlet 5, the material to be separated enters the spiral slideway 6 through the material inlet 5, an opening for the bottom of the rotational flow cavity 1 to pass through is arranged on the bottom surface of the machine shell, the aperture of the opening is larger than the cross-sectional area of the bottom of the rotational flow cavity, a hollow cylinder is arranged on the outer side of the spiral slideway 6, the outer edge of the spiral slideway 6 is fixed on the inner wall of the hollow cylinder and is arranged along a cylindrical spiral line of the hollow cylinder, the top end of the hollow cylinder is fixed on the machine shell 10, the tail end of the spiral slideway 6 is positioned below the, in general, when the liquid flows in the spiral slideway 6, part of the liquid flows over the slideway under the centrifugal action, and the design of the inner spiral can effectively avoid the situation, the hollow cylinder wall at the outer side of the spiral slideway 6 can block the liquid flow thrown out by the centrifugal action, thereby reducing the situation that the liquid flows splash; on the other hand, the swirler of prior art only can supply the liquid flow to flow at the inner wall in whirl chamber and separate, and this often is not enough, and in order to let the liquid stream fully centrifugal in the swirler, prior art often selects the rotatory area when increasing the liquid stream separation with this, and this has just increased the equipment volume, and the utility model discloses when well spiral arrangement's slide does not occupy too much space, can also provide the area that is far greater than whirl intracavity wall and be used for the centrifugation of liquid stream, the liquid stream can carry out primary separation on this spiral slide.

The cyclone cavity 1 is an inverted cone-shaped funnel-shaped structure, the inverted cone-shaped structure at the top of the cyclone cavity is used for receiving liquid flow and enabling the liquid flow to rotate in the cyclone cavity, an outflow port at the bottom of the cyclone cavity 1 penetrates through the machine shell 10 to be communicated with the outside, separated liquid is discharged from the bottom, a valve is arranged on the outflow port, the valve is supported by a bearing plate 2 arranged in the machine shell 10 and driven by a motor 7 to rotate, the liquid flow primarily separated from the spiral slideway 6 can enter the cyclone cavity 1 to be separated in the next step, the overflow groove 1 is fixed on the side surface in the machine shell 10 and used for collecting the liquid overflowing when the cyclone cavity 1 rotates, and the collected liquid flow is discharged through an overflow port which is provided with a valve and is communicated with the overflow groove 4; because the vortex cavity 1 can rotate, even if the flow velocity of the input liquid flow is insufficient, the liquid flow can be separated by means of self-rotation, and a good separation effect is achieved.

In the supporting aspect, the rotational flow cavity 1 is required to bear the impact from liquid flow and maintain vortex flow through self rotation during use, in order to ensure the stability of the rotational flow cavity during use and prevent the casing from rotating along with the rotational flow cavity, the supporting plate 2 is used for supporting, the supporting plate 2 is a flat plate parallel to the bottom surface of the casing 10 in the casing 10, a through hole with a diameter smaller than the outer diameter of the rotational flow cavity 1 is arranged on the geometric center of the supporting plate 2, the rotational flow cavity 1 penetrates through the through hole, the outer diameter of the rotational flow cavity 1 is larger, the through hole cannot penetrate through the through hole of the supporting plate 2 and is fixed on the supporting plate 2, the thrust bearing 8 is arranged at the position where the rotational flow cavity 1 is in contact with the supporting plate 2, the thrust bearing 8 can bear axial force and can rotate around the shaft, and during use, the rotational flow cavity 1 can be ensured to rotate; meanwhile, in order to ensure a better supporting effect, a plurality of supporting columns 11 are arranged below the supporting plate and used for supporting the supporting plate 2 in an auxiliary mode; certainly, more than one bearing plate 2 is arranged in the casing 10 in parallel to ensure the stability of the rotation process of the vortex chamber 1, the motor 7 is further arranged between the bearing plates 2, the part of the side surface of the vortex chamber 1 between the two bearing plates 2 is horizontally provided with annular teeth, the shape of the annular teeth is matched with the transmission chain 3, and the motor 7 is connected with the annular teeth on the side surface of the vortex chamber 1 through the transmission chain 3, so that the vortex chamber 1 can be driven to rotate by the driving transmission chain 3 of the motor 7.

The overflow groove 4 is a groove for collecting liquid overflowing out of the cyclone cavity 1 due to centrifugal action, liquid flow separated by the cyclone cavity 1 is thrown above the wall of the cyclone cavity 1 due to centrifugal action, a gap is reserved between the cyclone cavity 1 and the spiral track 6, the liquid in the cyclone cavity 1 can move upwards along the inner wall of the cyclone cavity 1 until overflowing from the top edge of the cyclone cavity 1, the overflow groove 4 is arranged on the inner wall of the machine shell 10, the height of the overflow groove is the same as the plane of the top edge of the cyclone cavity 1, an opening is formed in the position, close to the top edge of the cyclone cavity 1, of the overflow groove and used for receiving the liquid overflowing out of the cyclone cavity 1, an outlet, namely an overflow port, penetrating through the machine shell 10 and connected with the outside is arranged at the bottom of the overflow groove 4, and a valve is arranged on the overflow.

The using process is as follows:

the liquid flow is injected into the spiral slideway 6 through the feeding port 5 at a certain speed, and the ore pulp rotates downwards along the spiral slideway 6 under the action of gravity and centrifugal force, wherein ore particles with high specific gravity are firstly deposited at the bottom of the groove, and ore particles with low specific gravity flow at the upper layer of the ore pulp; the ore particles with large specific gravity sinking at the bottom of the tank have small moving speed along the tank and small centrifugal force due to small water flow impact force and large friction force, and are close to the inner edge of the tank in the moving process; the small-specific gravity ore particles moving in the upper layer of the ore pulp are close to the outer edge of the groove due to the fact that the flow speed of the upper layer water is large, the flow speed along the groove is large, and the small-specific gravity ore particles are subjected to large centrifugal force; a preliminary separation is achieved in the spiral chute 6.

Then the ore pulp enters a cyclone cavity 1 with a lower conical structure, the cyclone cavity 1 rotates under the action of a motor 7, the centripetal force is enhanced, meanwhile, the inner diameter of the inverted conical cyclone cavity 1 is gradually reduced from top to bottom, and the rotation speed of the ore pulp in the inverted conical cyclone cavity is continuously increased; because the pressure distribution along the radial direction is uneven when the liquid generates vortex motion, the pressure distribution is smaller when the liquid is closer to the axis and approaches zero when the liquid is close to the axis, the liquid becomes a low-pressure area and even a vacuum area, and the liquid tends to move along the axis; meanwhile, as the inner diameter of the swirl cavity 1 is smaller as the swirl cavity is closer to the bottom, the liquid cannot be rapidly discharged from the bottom outflow port, and the upper part of the swirl cavity 1 is positioned in a low-pressure area to enable a part of the liquid to move upwards, so that upward rotary motion is formed and the liquid enters the overflow groove 4 to be discharged.

Claims

1. The utility model provides a high-efficient stable hydrocyclone unit which characterized in that: the method comprises the following steps: the device comprises a hollow shell, a spiral slideway, a rotational flow cavity, an overflow groove, a motor and a bearing plate, wherein the spiral slideway, the rotational flow cavity, the overflow groove, the motor and the bearing plate are arranged in the shell;

2. An efficient and stable cyclonic separating apparatus as claimed in claim 1, wherein: and a thrust bearing is arranged on the contact surface of the rotational flow cavity and the bearing plate.

3. An efficient and stable cyclonic separating apparatus as claimed in claim 1, wherein: and a plurality of support rods are arranged below the bearing plate.