CN218308582U - Adjustable hydrocyclone center insert rod - Google Patents

Abstract

An adjustable hydrocyclone center insert rod belongs to the technical field of hydrocyclones. Insert the post for the hollow cylinder of lower surface trompil, and set up vertical rectangle through-hole on the outer annular face that inserts the post, be provided with the connecting pin in the rectangle through-hole, the outer sleeve is the hollow cylinder who link up from top to bottom, set up the rectangle recess on the internal surface of outer sleeve, the outer sleeve suit is on inserting the post, and the rectangle recess sets up in rectangle through-hole department, the internal thread pole inserts from the lower extreme and inserts in the post, the internal thread pole pushes away the connecting pin in the rectangle recess, the internal thread pole passes through the connecting pin and drives the outer sleeve and reciprocate along inserting the post, it installs on hydrocyclone to insert the post through outer fixing device. The utility model discloses can be applied to most operating modes, can be very big improve the turbulent intensity in air column place region, be favorable to improving the overflow ratio, can be applied to the separation work of most hydrocyclone and liquid stream in, can realize the high-efficient separation under different operating modes.

Description

Adjustable hydrocyclone center insert rod

Technical Field

The utility model belongs to the technical field of hydrocyclone, concretely relates to adjustable hydrocyclone center inserts stick.

Background

Hydrocyclone is a multi-phase flow separation device. The separation working principle is that different densities of all phases of materials are applied to cause different centrifugal forces in the cyclone process, so that different phases are separated, and the method is widely applied to industries such as mining industry, environmental protection, food, chemical industry and the like.

The air column is a unique phenomenon in the solid-liquid hydrocyclone, and from the energy consumption perspective, the air flow in the air column does not directly participate in any separation process, but causes adverse effects on the separation process due to factors such as turbulence in the air column, energy loss and the like, so that the separation efficiency of the hydrocyclone is reduced, and the energy consumption of the hydrocyclone is higher.

In order to solve the adverse effect generated by the air column, the influence of the air column on the classification process can be eliminated or reduced through the insert, so that the purposes of improving the internal flow field of the cyclone, improving the separation efficiency and reducing the energy consumption are achieved. However, different configurations of inserts are suitable for different configurations of cyclones and throughput and there is no universal insert configuration.

Therefore, a novel center inserting rod of the adjustable hydrocyclone can be designed, so that the hydrocyclone can adapt to various application occasions and the separation performance is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that above-mentioned background art exists, and then provide an adjustable hydrocyclone center and insert the stick.

The utility model adopts the technical proposal that: an adjustable hydrocyclone center insert rod comprises an insert column, an outer sleeve and an inner threaded rod; the utility model discloses a hydraulic cyclone, including the post of inserting, insert the post and be the hollow cylinder of lower surface trompil to set up vertical rectangle through-hole on the outer annular face that inserts the post, be provided with the connecting pin in the rectangle through-hole, the outer sleeve is the hollow cylinder who link up from top to bottom, sets up the rectangle recess on the internal surface of outer sleeve, and the outer sleeve suit is on inserting the post to the rectangle recess sets up in rectangle through-hole department, the internal thread pole inserts from the lower extreme and inserts in the post, and the internal thread pole pushes the connecting pin into the rectangle recess, and the internal thread pole passes through the connecting pin and drives the outer sleeve and reciprocate along inserting the post, it installs on hydraulic cyclone through outer fixing device to insert the post.

Compared with the prior art, the utility model following beneficial effect has:

1. the utility model discloses an adjustable center that a hob transmission formed inserts the stick to adapt to the swirler and the different material separation of isostructure, still can reach the solid-liquid separation effect of preferred simultaneously. The device is used for reducing or eliminating the air column, so that the effects of stabilizing the internal flow field and improving the separation efficiency are achieved. And the short-circuit flow generated after the mixture is injected into the cyclone can be effectively improved by adjusting the accurate position of the outer sleeve, so that the separation performance of the cyclone is improved.

2. The utility model discloses reinforcing means is to the separation granularity of different mixtures when can improve swirler's separation efficiency. The addition of the central insertion rod occupies the space of most air columns, improves the internal structure of the cyclone, eliminates or reduces the damage effect of the air columns on the classification process, achieves the effect of improving the flow field in the cyclone, and is most directly embodied in improving the detention time of the circulating flow in the cyclone and the aggregation degree of materials at the underflow port, thereby improving the separation efficiency and enhancing the universality of the hydraulic cyclone in industrial production.

3. The utility model discloses be favorable to reducing the condition that the overflow mouth was sneaked into to the coarse grain, the finer granule is selected separately to supplementary swirler, improve the separation efficiency of swirler, the utility model discloses can be applied to most operating modes, insert the reduction that the stick can be very big degree through installing the center additional and by the produced influence of the inside liquid stream of swirler air post to inside liquid flow field in the separation process to the torrent intensity in improvement air post place region that can be very big, especially the top portion of swirler, this will be favorable to improving the overflow and compare and processing technology is simple, simple to operate, can be applied to in the separation work of most hydrocyclone and liquid stream, can realize the high-efficient separation under different operating modes.

Drawings

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

fig. 2 is a front sectional view of the present invention;

FIG. 3 is an exploded view of the present invention;

figure 4 is a main sectional view of the outer sleeve of the present invention;

FIG. 5 is a front cross-sectional view of the insertion post of the present invention;

fig. 6 is a main sectional view of the inner threaded rod of the present invention;

FIG. 7 is a schematic view of the connecting pin structure of the present invention;

fig. 8 is a schematic structural view of the external fixing device of the present invention;

wherein: 1. inserting the post; 2. an outer sleeve; 3. an inner threaded rod; 4. inserting a column flange; 5. an O-shaped ring; 6. a retainer ring; 7. a connecting pin; 8. an internal thread rod flange; 9. a rectangular through hole; 10. an annular groove; 11. a rectangular groove; 13. an upper flange plate; 14. connecting columns; 15. a lower flange plate; 16. an embossed disk.

Detailed Description

For better understanding of the objects, structure and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 8, the adjustable hydrocyclone center insert rod of the present invention includes an insert column 1, an outer sleeve 2 and an internal thread rod 3; the inserting column 1 is a hollow cylinder with a hole on the lower surface, a vertical rectangular through hole 9 is formed in the outer annular surface of the inserting column 1, a connecting pin 7 is arranged in the rectangular through hole 9, the rectangular through hole 9 is a connecting channel of the outer sleeve 2 and the internal thread rod 3, and the length of the rectangular through hole 9 determines the adjusting range of the outer sleeve 2. The outer sleeve 2 is a hollow cylinder which is through up and down, a rectangular groove 11 is formed in the inner surface of the outer sleeve 2, the outer sleeve 2 is sleeved on the insertion column 1, the rectangular groove 11 is formed in the rectangular through hole 9, the inner threaded rod 3 is inserted into the insertion column 1 from the lower end, the inner threaded rod 3 pushes the connecting pin 7 into the rectangular groove 11, the inner threaded rod 3 drives the outer sleeve 2 to move up and down along the insertion column 1 through the connecting pin 7, and the insertion column 1 is installed on the hydraulic cyclone through an outer fixing device.

As shown in fig. 2 and 7, the connecting pin 7 has a block-shaped main body, one end of the connecting pin 7 inserted into the rectangular groove 11 is chamfered, and the other end of the connecting pin 7 is provided with a concave-convex thread surface for engaging with the external thread part of the internally threaded rod 3, so that the connecting pin 7 can be moved up and down by the rotation of the internally threaded rod 3. Thereby driving the outer sleeve 2 to move up and down.

As shown in fig. 2 and 6, the upper end of the insertion column 1 is necked to form a plug portion, an oblique angle is provided at the upper end of the plug portion, and a threaded portion is provided at the middle of the insertion column 1.

As shown in fig. 2 and 3, annular grooves 10 are formed in the upper end and the lower end of a rectangular groove 11 in the inner surface of the outer sleeve 2, an O-ring 5 and two retaining rings 6 are arranged in each annular groove 10, and the two retaining rings 6 are arranged on the upper side and the lower side of the O-ring 5. The O-ring 5 is an annular rubber ring capable of improving the sealability between the outer sleeve 2 and the insert post 1. The purpose of the collar 6 is to prevent the O-ring 5 from distorting during movement or entering the outer sleeve 2 and the insert column 1 from distorting.

As shown in fig. 5 and 6, an insert column flange 4 is welded to the lowest end of the insert column 1, an internal threaded rod flange 8 with the same size as the insert column flange 4 is rotatably mounted at the lower end of the internal threaded rod 3, and a knurling disc 16 is arranged at the tail end of the internal threaded rod 3. The embossing disc 16 is used to rotate the inner threaded rod 3.

As shown in fig. 8, the external fixing device includes an upper flange 13, a lower flange 15 and a plurality of connecting posts 14; the upper flange plate 13 and the lower flange plate 15 are connected through a plurality of connecting columns 14, the upper flange plate 13 is fixed with a flange plate on the hydrocyclone, and the lower flange plate 15 is fixed with an inserting column flange plate 4 at the lower end of the inserting column 1, so that the inserting column 1 can be ensured to be positioned on a central axis in the hydrocyclone.

The assembly method of the utility model is elaborated in detail: firstly, a connecting pin 7 is arranged in a rectangular through hole 9 of an insertion column 1, the connecting pin 7 is completely arranged in the inner part of the insertion column without leakage, then an outer sleeve 2 is sleeved on the outer surface of the insertion column 1 to enable a rectangular groove 11 in the outer sleeve and the connecting pin 7 to be in a state to be connected, then an inner threaded rod 3 is inserted into an inner hole of the insertion column 1 from bottom to top, in the inserting process, an upper oblique angle of the inner threaded rod 3 can push the connecting pin 7 into the rectangular groove 11 of the outer sleeve 2 along the trend and drive the connecting pin 7 to move upwards until the upper surface of the rectangular through hole 9 stops moving, at the moment, the inner threaded rod 3 is continuously rotated upwards, the purpose is to enable a concave-convex thread surface of the connecting pin 7 to be occluded with threads of the inner threaded rod 3, and the inner threaded rod 3 is stopped rotating after complete occlusion.

Finally, an upper flange 13 of the external fixing device is connected with a flange on the surface of the hydrocyclone through bolts, and then the insert column flange 4 of the insert column 1, the internal thread rod flange 8 on the internal thread rod 3 and a lower flange 15 of the external fixing device are connected and combined together through bolts.

The adjusting principle of the device is as follows: firstly, a central insertion rod is fixed on a central axis of a hydrocyclone through an external fixing device, when the hydrocyclone starts to perform phase separation work, an inner threaded rod 3 is rotated at a current fixed position (the inner threaded rod 3 cannot move up and down) by rotating an embossing disc 16 below the hydrocyclone, and a connecting pin 7 meshed with threads on the inner threaded rod 3 can move up and down in a thread interval of the inner threaded rod 3 while being positioned and rotated, so that an outer sleeve 2 is driven to move in the same direction, and the outer sleeve 2 can move up and down on the central axis.

The working principle is as follows: after fixing the specific position of the outer sleeve 2, most of the air column volume is occupied due to the introduction of the central insert column 1, so that the internal flow field is more stable, and the separation efficiency is improved.

The utility model discloses can be applied to most operating modes, insert the reduction that the stick can be very big degree by the produced air column of the inside liquid stream of swirler to the influence in inside liquid flow field in the separation process through installing the center additional to the turbulence intensity in improvement air column place region that can be very big, especially the top portion of swirler, this will be favorable to improving the overflow ratio and processing technology is simple, simple to operate, can be applied to the separation work of most hydrocyclone and liquid stream, can realize the high-efficient separation under different operating modes.

The following is a detailed description:

firstly, a cyclone separation technology is used as an efficient multi-item separation technology, the two-phase or multi-phase density difference is utilized to carry out the phase-to-phase separation under the action of centrifugal force, and the device needs to be matched with a cyclone for common use, so that the device can be used in the fields of petroleum, chemical food, paper making and the like and has wider application fields;

secondly, after the material jets into the interior of the cyclone from the injection port at a high speed, the particles with different particle sizes begin to do centrifugal motion, the particles with larger particle sizes can gather on the wall of the cyclone because of larger centrifugal force and move downwards, and a part of smaller particles can flow out from the overflow port along with the internal circulation flow because of not obtaining larger centrifugal force. And when the central inserting rod is introduced, the internal rotational speed of the cyclone is reduced, so that the residence time of liquid in the cyclone is prolonged, and the separation efficiency of the cyclone is improved. The device can also greatly reduce the negative pressure value near the overflow port so as to reduce the liquid flow directly discharged from the overflow pipe and improve the separation performance of the cyclone. Meanwhile, the sealing performance of the device is greatly improved due to the introduction of the O-shaped ring 5, and the condition that fine particles and liquid invade the interior of the device in the working process to cause internal corrosion and abrasion is greatly improved.

Thirdly, when the liquid flow enters the interior of the cyclone at a higher speed, a negative pressure area is generated at the center due to the higher speed to form an air column, the air column carries a large amount of turbulent kinetic energy and fluid kinetic energy, so that useless energy dissipation is generated greatly, and the fluid flow speed at the overflow port is also increased greatly due to the generation of the air column, so that the condition of short-circuit flow is aggravated, the residence time of an internal circulation flow in the cyclone is shortened, and the separation efficiency is greatly reduced. When introducing adjustable center insert will very big improvement as above each aspect, make separation efficiency promote when reducing the energy consumption, stabilize the inside flow field of swirler simultaneously and make it continuously work under stable efficient operating mode.

Finally, the device comprises seven parts, namely the insertion column 1, the internal thread rod 3, the outer sleeve 2, the connecting pin 7, the O-shaped ring, the arc-shaped check ring and the outer fixing device, is simple in principle and process and convenient to install, and can realize continuous and efficient separation under different working conditions.

To sum up, the utility model provides an adjustable hydrocyclone center inserts stick adopts helical drive system, has not yet seen the report and uses the device to industrial production in, and the adjustable center of novelty inserts the stick and can promote the stability in inside flow field under the operating mode of difference, lasts efficient separation work.

The application example is as follows: take an FX100 hydrocyclone manufactured by wehai prince corporation as an example. The continuous liquid phase is tap water, and the solid discrete phase is 400-mesh quartz sand. The inlet flow velocity is 2.5-5 m/s; the feeding concentration is 3%; the center insert rod was added to compare the separation efficiency at the same flow rate. The result is an average increase in efficiency of 1.52%, and at an inlet flow rate of 4.2m/s, the separation efficiency is increased to the maximum of 2.08%.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims (6)

1. The utility model provides an adjustable hydrocyclone center inserts stick which characterized in that: comprises an insertion column (1), an outer sleeve (2) and an internal thread rod (3); insert post (1) and be the hollow cylinder of lower surface trompil to set up vertical rectangle through-hole (9) on inserting the outer annular face of post (1), be provided with connecting pin (7) in rectangle through-hole (9), outer sleeve (2) are the hollow cylinder who link up from top to bottom, set up rectangle recess (11) on the internal surface of outer sleeve (2), and outer sleeve (2) suit is on inserting post (1), and rectangle recess (11) set up in rectangle through-hole (9) department, interior threaded rod (3) insert in inserting post (1) from the lower extreme, and interior threaded rod (3) are pushed connecting pin (7) into rectangle recess (11), and interior threaded rod (3) drive outer sleeve (2) through connecting pin (7) and reciprocate along inserting post (1), insert post (1) and install on hydrocyclone through outer fixing device.

2. The adjustable hydrocyclone centre insert bar according to claim 1, wherein: the main body of the connecting pin (7) is of a block structure, one end of the connecting pin (7) inserted into the rectangular groove (11) is subjected to chamfering treatment, and the other end of the connecting pin (7) is provided with a concave-convex thread surface used for being meshed with an external thread part of the internal thread rod (3), so that the connecting pin (7) can be driven to move up and down by the rotation of the internal thread rod (3).

3. The adjustable hydrocyclone centre insert bar according to claim 2, wherein: the upper end of the insertion column (1) is necked down to form a plug part, the upper end of the plug part is provided with an oblique angle, and the middle part of the insertion column (1) is provided with a thread part.

4. The adjustable hydrocyclone centre insert bar according to claim 3, wherein: annular grooves (10) are formed in the upper end and the lower end of a rectangular groove (11) in the inner surface of the outer sleeve (2), an O-shaped ring (5) and two retaining rings (6) are arranged in each annular groove (10), and the two retaining rings (6) are arranged on the upper side and the lower side of the O-shaped ring (5).

5. The adjustable hydrocyclone centre insert bar according to claim 4, wherein: an insert column flange plate (4) is welded at the lowest end of the insert column (1), an internal thread rod flange plate (8) is rotatably installed at the lower end of the internal thread rod (3), and an embossing disc (16) is arranged at the tail end of the internal thread rod (3).

6. The adjustable hydrocyclone centre insert bar according to claim 5, wherein: the external fixing device comprises an upper flange (13), a lower flange (15) and a plurality of connecting columns (14); the upper flange (13) and the lower flange (15) are connected by a plurality of connecting columns (14), the upper flange (13) is fixed with the flange on the hydrocyclone, and the lower flange (15) is fixed with the inserting column flange (4) at the lower end of the inserting column (1).

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