CN113210146B - A hydrocyclone with self-cleaning function - Google Patents

Abstract

The invention relates to a hydrocyclone with self-cleaning function. The assembly, the bottom end shell of the swirl cone is provided with a plurality of rows of first cleaning holes, and the self-cleaning assembly includes a water storage jacket sleeved on the outside of the swirl cone, located between the water storage jacket and the swirl cone. The sealing sleeve in the gap between the sealing sleeve and the water storage jacket is provided with an annular water storage bag and a waste water treatment component. There are second cleaning holes corresponding to the first cleaning holes one by one. The invention can self-clean the inside of the swirl cone, improve the service life of the swirl cone, and can filter and aerate the sewage generated by the self-cleaning, so as to reduce secondary pollution.

Description

A hydrocyclone with self-cleaning function

technical field

The invention relates to the technical field of cyclone equipment, in particular to a hydrocyclone with self-cleaning function.

Background technique

At present, cyclones are widely used in petroleum, chemical, mining and metallurgy, food and papermaking and other parts, and are specifically used as tools for classification, desliming and concentration operations, and play a very important role in industrial production and application.

The existing patent (application number: 200720030267.0) proposes a centrifugal volute feeding cyclone, which consists of a cyclone body, an overflow pipe installed on the top of the cyclone body, and an inlet located on the upper part of the cyclone body. It consists of a feed pipe and an underflow pipe installed at the lower end of the cyclone body, and is characterized in that the feed pipe surrounds the cyclone body for a period or several weeks and then connects with the cyclone body. Due to the action of centrifugal force in the utility model, the solid phase particles will be pre-settled in the feed pipe surrounding the body of the cyclone. That is, the solid phase particles have been thrown to the outer side by centrifugal sedimentation before entering the cyclone body, so that they can be more effectively divided into the bottom flow after entering the cyclone body, so the separation efficiency is improved. , has the advantages of simple structure and high separation efficiency. The above-mentioned cyclone can guide the solid-phase particles into the cyclone body and divide them into the underflow more effectively.

However, the traditional cyclone is often only able to clean the outside of the cyclone, but cannot effectively clean the interior of the cyclone, which leads to the phenomenon of hardening inside the cyclone, which affects the working efficiency of the cyclone.

SUMMARY OF THE INVENTION

Based on this, the purpose of the present invention is to provide a hydrocyclone with a self-cleaning function to solve the technical problems raised in the above-mentioned background art.

The present invention provides a hydrocyclone with self-cleaning function, comprising a support frame, a swirl cone pierced on the support frame, sleeved on the outside of the swirl cone and used for cleaning the swirl cone a self-cleaning component of the inner wall, a plurality of rows of first cleaning holes are provided on the bottom shell of the swirl cone;

The self-cleaning assembly includes a water storage jacket sleeved outside the swirl cone and fixed inside the support frame, and a water storage jacket located in the gap between the water storage jacket and the swirl cone and connected to the swirl cone. The sealing sleeve rotatably connected to the support frame is provided with an annular water storage bag and a waste water treatment component in sequence from top to bottom in the gap formed between the sealing sleeve and the water storage jacket;

The annular water storage bag is connected with the pressurized water pump through a pipeline, and the casing of the sealing sleeve is provided with second cleaning holes corresponding to the first cleaning holes one by one, and the cleaning nozzle is used for the annular water storage. When the bag is filled with water and expanded, the inner wall of the swirl cone is cleaned sequentially through the second cleaning hole and the first cleaning hole.

Further, the support frame includes a first support platform sleeved on the top of the swirl cone and fixed on the top surface of the sealing sleeve, and four top corners fixed on the bottom surface of the first support platform. a support column at the bottom of the support column, and a second support platform fixed at the bottom end of the support column. In this preferred embodiment, the first support platform is used to provide stable support for the swirl cone.

Further, a support ring is fixed on the outer peripheral surface of the top end of the sealing sleeve extending to the first support table, a plurality of balls are embedded in the bottom end surface of the support ring, and the balls are slidably connected with the annular chute, and the The annular chute is opened inside the first support platform. In this preferred embodiment, this arrangement can prevent dry friction between the support ring and the first support table, thereby prolonging the service life of the support ring and the first support table.

Further, the driving end of the sealing sleeve is connected with a power assembly, and the power assembly includes a motor fixed inside the first support table, a reducer connected with the output shaft of the motor, and fixed on the motor. The bevel gear on the output shaft of the reducer, and the bevel gear ring meshed with the bottom end of the bevel gear and fixed on the top surface of the support ring. In this preferred embodiment, the torque during the rotation of the sealing sleeve can be increased by providing a reducer.

Further, the waste water treatment assembly includes a filter mechanism and an aeration mechanism sleeved outside the sealing sleeve and sequentially arranged from top to bottom, and the aeration mechanism includes a filter mechanism sleeved outside the sealing sleeve and fixed to the An aeration chamber at the inner bottom end of the sealing sleeve, and an aeration head fixed on the top surface of the aeration chamber. In this preferred embodiment, the aeration head on the aeration chamber is used to aerate and sterilize the sewage, and the fine filter sand layer in the filter mechanism is washed to increase the service time of the fine filter sand layer.

Further, the filter mechanism includes a coarse filter sand layer and a fine filter sand layer located in the gap between the aeration chamber and the annular water storage bag and sequentially provided from top to bottom. In this preferred embodiment, the sewage is filtered by the coarse filter sand layer and the fine filter sand layer to reduce the secondary pollution inside the cyclone.

Further, the aeration chamber is in the shape of a truncated cone, and the radius of the radial plane at the bottom end of the aeration chamber is equal to the radius of the inner radial plane of the water storage jacket. In this preferred embodiment, this arrangement can facilitate workers to replace the coarse filter sand layer and the fine filter sand layer.

Further, a plurality of sand discharge valves are fixed at the bottom end of the water storage jacket, and the plurality of sand discharge valves are arranged equidistantly one by one around the central axis of the radial plane of the water storage jacket. In this preferred embodiment, this arrangement can expedite worker replacement of the coarse filter sand layer as well as the fine filter sand layer.

Further, a rubber pad is adhered to the inner wall surface of the sealing sleeve. In this preferred embodiment, the arrangement can reduce the gap between it and the swirl cone, so as to improve the sealing performance of the swirl cone.

Further, the cross sections of the first cleaning hole and the second cleaning hole are both trapezoidal. In this preferred embodiment, the arrangement can facilitate the first cleaning hole and the second cleaning hole to guide the cleaning nozzle on the annular water storage bag into the swirl cone by using the large end of the inner cavity.

Compared with the prior art, the beneficial effects of the present invention are:

(1) The hydrocyclone with self-cleaning function proposed by the present invention can self-clean the inside of the swirl cone, thereby improving the service life of the swirl cone. Specifically, water is injected into the swirl cone and the annular water storage bag set on the outside through the pump body, so that the annular water storage bag expands, until the plurality of cleaning nozzles on the annular water storage bag pass through the first nozzle on the swirl cone. A cleaning hole and the second cleaning hole on the sealing sleeve enter the water storage jacket; the valve body on the cleaning nozzle is opened, so that the cleaning nozzle sprays high-pressure water flow, so as to use the high-pressure water flow to clean the hardened impurities on the inner wall of the swirl cone.

(2) The hydrocyclone with self-cleaning function proposed by the present invention can filter and aerate the sewage generated by self-cleaning, thereby reducing secondary pollution. Specifically: after the sewage enters the inside of the water storage jacket, since the gap between the aeration chamber inside the water storage jacket and the annular water storage bag is sequentially provided with a coarse filter sand layer and a fine filter sand layer from top to bottom, thereby Use the coarse filter sand layer and the fine filter sand layer to filter the sewage; because the water storage jacket and the top of the aeration chamber retain a large amount of sewage entering it from the cyclone cone, the aeration head on the aeration chamber is used. The sewage is aerated and sterilized.

Additional features and advantages of the present disclosure will be set forth in the description that follows, or some may be inferred or unambiguously determined from the description, or may be learned by practicing the above-described techniques of the present disclosure.

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the hydrocyclone with self-cleaning function proposed by the present invention;

Fig. 2 is the internal structure schematic diagram of the hydrocyclone with self-cleaning function proposed by the present invention;

Fig. 3 is the sectional view of the hydrocyclone with self-cleaning function proposed by the present invention;

Fig. 4 is the overall plan view of the hydrocyclone with self-cleaning function proposed by the present invention;

5 is a schematic structural diagram of a support frame in a hydrocyclone with a self-cleaning function proposed by the present invention;

Fig. 6 is the structural schematic diagram of the sealing sleeve in the hydrocyclone with self-cleaning function proposed by the present invention;

Fig. 7 is the structure enlarged view of "A" part in Fig. 2;

FIG. 8 is an enlarged view of the structure of part "B" in FIG. 2 .

Detailed ways

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIGS. 1 to 8 , the present invention provides a hydrocyclone with a self-cleaning function, comprising a support frame 10 , a swirl cone 20 passing through the support frame 10 , and sleeved on the swirl cone 20 The self-cleaning assembly 30 is external and used to clean the inner wall of the swirl cone 20 . A plurality of rows of first cleaning holes 21 are provided on the bottom end casing of the swirl cone 20 , wherein the axes of the corresponding two rows of the first cleaning holes 21 are staggered up and down.

For the above-mentioned self-cleaning assembly 30, the self-cleaning assembly 30 includes a water storage jacket 32 sleeved on the outside of the swirl cone 20 and fixed inside the support frame 10, and a water storage jacket 32 and a swirl cone. The sealing sleeve 31 is in the gap between the cylinders 20 and is rotatably connected with the support frame 10 .

In this embodiment, an annular water storage bag 34 and a waste water treatment component 33 are sequentially arranged in the gap formed between the above-mentioned sealing sleeve 31 and the water storage jacket 32 from top to bottom. Wherein, the annular water storage bag 34 is connected with the pressurized water pump through a pipeline. Second cleaning holes 36 corresponding to the first cleaning holes 21 one by one are opened on the casing of the above-mentioned sealing sleeve 31 . In practical application, when the annular water storage bag 34 is filled with water and expanded, the cleaning nozzle 35 sequentially passes through the second cleaning hole 36 and the first cleaning hole 21 to clean the inner wall of the swirl cone 20 .

It should be noted that, in this embodiment, when too much impurities are attached to the inner wall surface of the swirl cone 20, the pump body injects water into the swirl cone 20 and the annular water storage bag 34 sleeved outside the swirl cone 20, so that the annular The water storage bag 34 expands until the plurality of cleaning nozzles 35 on the annular water storage bag 34 enter the water storage jacket 32 through the first cleaning hole 21 on the swirl cone 20 and the second cleaning hole 36 on the sealing sleeve 31 ; Open the valve body on the cleaning nozzle 35, so that the cleaning nozzle 35 sprays high-pressure water flow, so as to use the high-pressure water flow to clean the hardened impurities on the inner wall of the swirl cone 20.

In practical application, the sealing sleeve 31 sleeved outside the swirl cone 20 is rotated, so that the second cleaning hole 36 on the sealing sleeve 31 is misaligned with the first cleaning hole 21 on the swirl cone 20, so that the The swirl effect inside the swirl cone 20 is affected, and the fluid in the swirl cone 20 is prevented from entering the water storage jacket 32 carrying the annular water storage bag 34 .

In this embodiment, the above-mentioned support frame 100 includes a first support platform 11 sleeved on the top of the swirl cone 20 and fixed on the top surface of the sealing sleeve 31 , and four support platforms 11 fixed on the bottom surface of the first support platform 11 . The support column 13 at the top corner, and the second support platform 12 fixed to the bottom end of the support column 13 . As a supplement, a rubber pad 313 is adhered to the inner wall surface of the sealing sleeve 31 .

It should be noted that, since the second support table 12 is located on a supporting surface such as the ground, the top end of the second support table 12 is connected to the first support table 11 through the support column 13, and the swirl cone 20 passes through the first support table 11. Therefore, the first support table 11 can be used to provide stable support for the swirl cone 20 .

It should also be pointed out here that since the volume of the second support table 12 is larger than that of the first support table 11 , this arrangement can make the support frame 100 composed of the first support table 11 and the second support table 12 form a large and small head structure , thereby improving the stability of the support frame 100 . On the other hand, by using the rubber gasket 313 on the inner wall of the sealing sleeve 31 to reduce the gap between it and the swirl cone 20 , the sealing performance of the swirl cone 20 can be improved.

In the present invention, the sealing sleeve 31 extends to the outer peripheral surface of the top end of the first support table 11 , and a support ring 311 is fixed thereon, and a plurality of balls 312 are embedded in the bottom end surface of the support ring 311 . The balls 312 are slidably connected to the annular chute 111 , the annular chute 111 is opened inside the first support table 11 , and the driving end of the sealing sleeve 31 is connected to the power assembly 37 .

The above-mentioned power assembly 37 includes a motor 371 fixed inside the first support table 11 , a reducer 374 connected to the output shaft of the motor 371 , a bevel gear 372 fixed on the output shaft of the reducer 374 , and a bottom of the bevel gear 372 . The bevel gear ring 373 whose ends are engaged and fixed on the top surface of the support ring 311 .

It should be noted that, since the top of the sealing sleeve 31 is supported on the first support table 11 by the support ring 311 on it, and since the bottom end surface of the support ring 311 is embedded with the balls 312, this arrangement enables the support ring 311 to pass through the bottom of the support ring 311 when it rotates. The rolling of the end balls 312 inside the first support table 11 prevents dry friction between the support ring 311 and the first support table 11 and prolongs the service life of the support ring 311 and the first support table 11 .

Further, the above structure arrangement can make the output shaft of the motor 371 drive the reducer 374 connected to it to rotate, because the bevel gear 372 on the output shaft of the reducer 374 meshes with the bevel gear ring 373 at the top of the support ring 311, thereby transmitting torque. The top bevel gear ring 373 of the support ring 311 is supplied to drive the sealing sleeve 31 on the bevel gear ring 373 to rotate, and the reducer 374 is provided to increase the torque of the sealing sleeve 31 when it rotates.

In the present invention, the above-mentioned wastewater treatment assembly 33 includes a filter mechanism 331 and an aeration mechanism 332 that are sleeved on the outside of the sealing sleeve 31 and are sequentially arranged from top to bottom. The aeration mechanism 332 includes an aeration chamber 3321 sleeved outside the sealing sleeve 31 and fixed to the bottom end of the sealing sleeve 31 , and an aeration head 3322 fixed to the top surface of the aeration chamber 3321 .

Specifically, the filter mechanism 331 includes a coarse filter sand layer 3312 and a fine filter sand layer 3311 located in the gap between the aeration chamber 3321 and the annular water storage bag 34 and sequentially provided from top to bottom. In this embodiment, the aeration chamber 3321 is in the shape of a truncated cone. The radius of the radial plane at the bottom end of the aeration chamber 3321 is equal to the radius of the radial plane inside the water storage jacket 32, and the bottom end of the water storage jacket 32 is fixed with a plurality of sand discharge valves 321, and a plurality of sand discharge valves 321 are equidistantly arranged one by one around the central axis of the radial plane of the water storage jacket 32 .

It should be noted that, in this embodiment, the above-mentioned structural arrangement can make the sewage at the bottom of the water storage jacket 32 filter through the filtering mechanism 331 in sequence, and sterilize through the aeration mechanism 332 . Further, after the high-temperature gas in the aeration chamber 3321 is carried to the inside of the water storage jacket 32, since a large amount of sewage entering the water storage jacket 32 and the top of the aeration chamber 3321 from the swirl cone 20 remains, thus The sewage is aerated and sterilized by the aeration head 3322 on the aeration chamber 3321, and the fine filter sand layer 3311 in the filter mechanism 331 is washed, so as to increase the service time of the fine filter sand layer 3311.

Further, after the sewage flows through the first cleaning hole 21 on the swirl cone 20 and the second cleaning hole 36 on the sealing sleeve 31 and enters the water storage jacket 32; A coarse filter sand layer 3312 and a fine filter sand layer 3311 are sequentially arranged in the gap between 3321 and the annular water storage bag 34 from top to bottom, so that the sewage is filtered by the coarse filter sand layer 3312 and the fine filter sand layer 3311. Reduce secondary pollution inside the cyclone.

Further, the top inclined surface of the aeration chamber 3321 is used to guide the discharge of the filter sand of the coarse filter sand layer 3312 and the fine filter sand layer 3311, so as to speed up the replacement of the coarse filter sand layer 3312 and the fine filter sand layer 3311 by workers.

The water storage jacket 32 can guide the filter sand of the coarse filter sand layer 3312 and the fine filter sand layer 3311 to discharge through the plurality of sand discharge valves 321 provided at the bottom end, and accelerate the replacement of the coarse filter sand layer 3312 and the fine filter sand layer 3311 by workers.

In the present invention, the cross-sections of the first cleaning hole 21 and the second cleaning hole 36 are both trapezoidal. It should be noted that, in this embodiment, the first cleaning hole 21 and the second cleaning hole 36 have a structure of large and small heads, so that the first cleaning hole 21 and the second cleaning hole 36 can use the large end of their inner cavity to guide the annular storage. The cleaning nozzle 35 on the water bag 34 enters the swirl cone 20 .

The specific operation mode of the present invention is as follows:

When using a hydrocyclone for centrifugal separation, the sealing sleeve 31 sleeved outside the swirl cone 20 is rotated first, so that the second cleaning hole 36 on the sealing sleeve 31 and the first cleaning hole 36 on the swirl cone 20 are rotated. The cleaning hole 21 is dislocated, so as not to affect the swirl effect inside the swirl cone 20, and prevent the fluid in the swirl cone 20 from entering the water storage jacket 32 carrying the annular water storage bag 34;

Then, water is injected into the swirl cone 20 and the annular water storage bag 34 set outside the swirl cone 20 through the pump body, so that the annular water storage bag 34 expands until the plurality of cleaning nozzles 35 on the annular water storage bag 34 pass through the swirl cone. The first cleaning hole 21 on the 20 and the second cleaning hole 36 on the sealing sleeve 31 enter the inside of the water storage jacket 32; open the valve body on the cleaning nozzle 35, so that the cleaning nozzle 35 sprays high-pressure water flow, thereby using the high-pressure water flow to The inner wall of the swirl cone 20 is cleaned of hardened impurities;

After the sewage flows through the first cleaning hole 21 on the swirl cone 20 and the second cleaning hole 36 on the sealing sleeve 31 and enters the water storage jacket 32, due to the aeration chamber 3321 inside the water storage jacket 32 and the annular storage A coarse filter sand layer 3312 and a fine filter sand layer 3311 are sequentially arranged in the gap between the water bags 34 from top to bottom, so that the sewage is filtered by the coarse filter sand layer 3312 and the fine filter sand layer 3311; A large amount of sewage entering into the sleeve 32 and the top of the aeration chamber 3321 from the swirl cone 20 is retained, so that the aeration head 3322 on the aeration chamber 3321 is used to aerate and sterilize the sewage.

Finally, it should be noted that the above-mentioned embodiments are only specific implementations of the present invention, and are used to illustrate the technical solutions of the present invention, but not to limit them. The protection scope of the present invention is not limited thereto, although referring to the foregoing The embodiment has been described in detail the present invention, those of ordinary skill in the art should understand: any person skilled in the art who is familiar with the technical field within the technical scope disclosed by the present invention can still modify the technical solutions described in the foregoing embodiments. Or can easily think of changes, or equivalently replace some of the technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be covered in the present invention. within the scope of protection. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (8)

1. A hydrocyclone with a self-cleaning function, characterized in that it comprises a support frame (10), a swirl cone (20) pierced on the support frame (10), and sleeved on the support frame (10). A self-cleaning assembly (30) outside the swirl cone (20) and used for cleaning the inner wall of the swirl cone (20), the bottom end shell of the swirl cone (20) is provided with a plurality of rows of first cleaning holes (twenty one); The self-cleaning assembly (30) includes a water storage jacket (32) sleeved on the outside of the swirl cone (20) and fixed inside the support frame (10), and a water storage jacket located on the water storage jacket (32) A sealing sleeve (31) in the gap between the swirl cone (20) and rotatably connected to the support frame (10), between the sealing sleeve (31) and the water storage jacket (32) An annular water storage bag (34) and a waste water treatment component (33) are arranged in the gap formed between them in sequence from top to bottom; The annular water storage bag (34) is connected to the pressurized water pump through a pipeline, and the casing of the sealing sleeve (31) is provided with second cleaning holes (36) corresponding to the first cleaning holes (21) one by one. ), the cleaning nozzle (35) is used for when the annular water storage bag (34) is filled with water and expands, the cleaning nozzle (35) passes through the second cleaning hole (36) and the first cleaning hole (21) in turn to prevent the swirl flow Clean the inner wall of the cone (20); The wastewater treatment assembly (33) includes a filter mechanism (331) and an aeration mechanism (332) sleeved on the outside of the sealing sleeve (31) and arranged in sequence from top to bottom, and the aeration mechanism (332) includes an aeration chamber (3321) sleeved on the outside of the sealing sleeve (31) and fixed at the inner bottom end of the sealing sleeve (31), and an aeration head (3322) fixed on the top surface of the aeration chamber (3321) ); The filter mechanism (331) includes a coarse filter sand layer (3312) and a fine filter sand layer (3312) located in the gap between the aeration chamber (3321) and the annular water storage bag (34) and sequentially provided from top to bottom. Filter sand layer (3311); When using a hydrocyclone for centrifugal separation, firstly, the sealing sleeve (31) set on the outside of the swirl cone (20) is rotated, so that the second cleaning hole (36) on the sealing sleeve (31) is connected to the swirl sleeve (31). The first cleaning holes (21) on the flow cone (20) are dislocated, so that the swirl effect inside the swirl cone (20) is not affected, and the fluid in the swirl cone (20) is prevented from entering the bearing annular water storage bag (20). 34) in the water storage jacket (32); Then, water is injected into the swirl cone (20) and the annular water storage bag (34) set on the outside through the pump body, so that the annular water storage bag (34) is expanded until a plurality of water storage bags on the annular water storage bag (34). The cleaning nozzle (35) enters the water storage jacket (32) through the first cleaning hole (21) on the swirl cone (20) and the second cleaning hole (36) on the sealing sleeve (31); the cleaning nozzle is turned on The valve body on (35) makes the cleaning nozzle (35) spray high-pressure water flow, so as to use the high-pressure water flow to clean the hardened impurities on the inner wall of the swirl cone (20); After the sewage flows through the first cleaning hole (21) on the swirl cone (20) and the second cleaning hole (36) on the sealing sleeve (31) and enters the water storage jacket (32), because the water storage jacket (32) The gap between the internal aeration chamber (3321) and the annular water storage bag (34) is sequentially provided with a coarse filter sand layer (3312) and a fine filter sand layer (3311) from top to bottom, so that the The filter sand layer (3312) and the fine filter sand layer (3311) filter the sewage; because the water storage jacket (32) and the top of the aeration chamber (3321) retain a large amount of water entering it from the cyclone cone (20) The sewage is aerated and sterilized by the aeration head (3322) on the aeration chamber (3321). 2. A hydrocyclone with a self-cleaning function according to claim 1, characterized in that the support frame (10) comprises a top end sleeved on the cyclone (20) and fixed to the A first support table (11) on the top surface of the sealing sleeve (31), support columns (13) fixed on the four top corners of the bottom end surface of the first support table (11), and A second support platform (12) at the bottom end of the support column (13). 3. The hydrocyclone with self-cleaning function according to claim 2, wherein the sealing sleeve (31) extends to the outer peripheral surface of the top end of the first support table (11), and a support is fixed thereon A ring (311), the bottom end surface of the support ring (311) is embedded with a plurality of balls (312), the balls (312) are slidably connected with the annular chute (111), and the annular chute (111) opens inside the first support table (11). 4. A hydrocyclone with self-cleaning function according to claim 3, characterized in that the driving end of the sealing sleeve (31) is connected with a power assembly (37), and the power assembly (37) ) includes a motor (371) fixed inside the first support table (11), a reducer (374) connected with the output shaft of the motor (371), and fixed on the output shaft of the reducer (374) The bevel gear (372) on the top of the bevel gear (372), and the bevel gear ring (373) meshing with the bottom end of the bevel gear (372) and fixed on the top surface of the support ring (311). 5. The hydrocyclone with self-cleaning function according to claim 1, wherein the aeration chamber (3321) is in the shape of a truncated cone, and the bottom end of the aeration chamber (3321) is radially flat The radius is equal to the radius of the inner radial plane of the water storage jacket (32). 6. The hydrocyclone with self-cleaning function according to claim 1, wherein a plurality of sand discharge valves (321) are fixedly arranged at the bottom end of the water storage jacket (32), and the The sand discharge valves (321) are arranged one by one at equal distances around the central axis of the radial plane of the water storage jacket (32). 7 . The hydrocyclone with self-cleaning function according to claim 1 , wherein a rubber pad ( 313 ) is adhered to the inner wall surface of the sealing sleeve ( 31 ). 8 . 8 . The hydrocyclone with self-cleaning function according to claim 1 , wherein the cross sections of the first cleaning hole ( 21 ) and the second cleaning hole ( 36 ) are both trapezoidal. 9 .

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