CN211999068U - Cyclone aerator and cyclone aeration device with same - Google Patents

Abstract

The utility model discloses a whirl aerator and whirl aeration equipment that has it, whirl aerator includes: base, barrel, intake pipe, air current guide and bubble generator. The barrel is arranged on the base, and the air inlet pipe extends into the barrel from the top of the barrel and extends to the lower part of the barrel; a guide channel is formed in the airflow guide piece, the guide channel is provided with an airflow inlet and a plurality of airflow outlets, the airflow inlet is connected with the air inlet pipe, and the airflow outlets are rotationally symmetrical about the central axis of the cylinder body; the bubble generator is arranged above the airflow guide piece and comprises a plurality of bubble cutting impellers. According to the utility model discloses a whirl aerator can effectively avoid tearing the problem of barrel and intake pipe, guarantees the stability and the atress equilibrium in the whirl aerator working process, simultaneously, arranges a plurality of bubble cutting impellers through the axial along the barrel, can make refining of bubble effect better to further increase dissolved oxygen rate, reinforce the aeration effect.

Description

Cyclone aerator and cyclone aeration device with same

Technical Field

The utility model relates to the technical field of sewage treatment, especially, relate to a spiral-flow aerator and spiral-flow aeration equipment who has it.

Background

In the related art, it is pointed out that in the field of high-concentration, especially high-ammonia nitrogen wastewater treatment such as landfill leachate, hazardous wastewater treatment sewage, slaughter wastewater and chemical wastewater, a large amount of oxygen needs to be supplied to an aeration tank through a fan to remove ammonia nitrogen in wastewater. In order to improve the efficiency of oxygen supply and dissolved oxygen in sewage, the technology of the aerator is continuously improved, and the selection of the aerator is different, so that the biochemical treatment effect of the wastewater is influenced, and the occupied area, the investment, the operation stability and the energy consumption of the running fan are directly influenced.

At present, various aerobic aeration systems are available at home and abroad, and the aerobic aeration systems mainly comprise a microporous aerator, a jet aerator, a rotational flow aerator and the like. At the initial stage of installation of the microporous aerator, the dissolved oxygen efficiency is high, the biochemical treatment effect is good, but along with the extension of the operation time, the micropores on the aerator can be gradually reduced to the blockage, so that the energy consumption of the fan is increased, and the fan is even damaged. Jet aerator, through the linking of water pump, inserts the compressed air pipeline, realizes that water jet forms the fine bubble, and air and water in the bubble fully contact dissolve oxygen in aqueous, realize the effect of aeration. The jet aerator has high oxygen dissolving efficiency, but has high energy consumption, needs a fan and a water pump to operate simultaneously, and has high failure rate of domestic equipment because the equipment mainly depends on import; swirl aeration equipment, the admission line sets up in the barrel side, an ascending return bend is connected to the position of admitting air at the barrel, the intake pipe sets up in the side, can produce the shake when the fan blast air admits air, can produce fatigue fracture in the junction with the barrel after long-time operation, the aerator damages, secondly, when aeration tank fan equipment overhauls, mud can block up ascending return bend under the action of gravity, when the recovery operation after the equipment overhauls finishes, can not aerate and damage the fan even, in addition, the swirl aerator tubular construction that discloses at present is complicated, the processing degree of difficulty is big, the cost is higher, and multilayer blade structure is under the scouring action of water conservancy, it drops and loses the effect of aerator to return the pine easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a whirl aerator and have its whirl aeration equipment, the whirl aerator can guarantee stability and the atress equilibrium among the aeration process.

The utility model also provides a whirl aeration equipment of having above-mentioned whirl aerator.

According to the utility model discloses cyclone aerator of first aspect includes: a base; the cylinder body is arranged on the base, the axis of the cylinder body extends along the vertical direction, and the top and the bottom of the cylinder body are both open; the air inlet pipe extends into the barrel from the top of the barrel and extends to the lower part of the barrel along the axial direction of the barrel; the airflow guide piece is arranged in the cylinder body, a guide channel is formed in the airflow guide piece, the guide channel is provided with an airflow inlet and a plurality of airflow outlets, the airflow inlet is connected with the air inlet pipe, the airflow outlets are rotationally symmetrical about the central axis of the cylinder body, and the airflow outlets are suitable for ejecting airflow obliquely upwards and along the circumferential direction of the cylinder body; the bubble generator is arranged above the airflow guide piece and comprises a plurality of bubble cutting impellers, and the bubble cutting impellers are arranged at intervals in the axial direction of the cylinder body.

According to the utility model discloses a spiral-flow aerator, set up to stretch into the barrel through the top with the intake pipe and carry out the aeration for spiral-flow aerator forms to the intake pipe from the structure that the center of barrel admitted air, can effectively avoid tearing problem of barrel and intake pipe, guarantee stability and atress equilibrium in the spiral-flow aerator working process, and simultaneously, arrange a plurality of bubble cutting impellers through the axial along the barrel, can make refining effect of bubble better, thereby further increase dissolved oxygen rate, reinforce the aeration effect.

According to some embodiments of the invention, the angle between the central axis of the airflow outlet and the horizontal plane is in the range of 30 degrees to 90 degrees.

In some embodiments of the present invention, the airflow guide includes: the standpipe, standpipe and intake pipe fixed connection, a plurality of stand pipes, the one end of stand pipe with the standpipe links to each other and communicates, the other end of stand pipe extends to the internal perisporium of barrel is tangent.

Further, the vertical pipe is in threaded connection with the air inlet pipe, and the thread fastening direction of the vertical pipe and the air inlet pipe is the same as the direction of the reaction force of the airflow outlet when the airflow is sprayed.

In some embodiments, the lower end of the vertical tube is fixed on the base, and the other end of the guide tube is fixedly connected with the cylinder.

Further, the distance between the lower end edge of the cylinder and the lower end edge of the base is in the range of 0.2m to 0.5 m.

According to some embodiments of the utility model, it is a plurality of bubble cutting impeller rotationally the cover is established the outside of intake pipe, just bubble cutting impeller constructs to be suitable for and is rotatory around its central axis under the fluid impact from bottom to top.

Further, the bubble cutting impeller includes: the shaft sleeve part is sleeved on the air inlet pipe and is in threaded connection with the air inlet pipe; the blade portion, blade portion rotationally overlaps and establishes the radial outside of axle sleeve portion, be equipped with on the blade portion a plurality of rotating vane of interval arrangement in the circumferential direction of blade portion, rotating vane follows the radial outside extension of blade portion and extend to the neighbouring the internal surface of barrel.

Further, the screw fastening direction of the boss portion and the intake pipe is the same as the rotation direction of the vane portion under the impact of the fluid from below to above.

In a specific example, the axial two ends of the shaft sleeve part are provided with a check washer and a check nut, and the check nut is in threaded connection with the air inlet pipe.

According to some embodiments of the invention, the bubble generator comprises: at least three bubble cutting impeller, be located the top in the at least three bubble cutting impeller locates the top of barrel, and the top the radial inner of bubble cutting impeller with the intake pipe is fixed and radial outer end with the barrel is fixed.

According to the second aspect of the present invention, a swirling aeration apparatus comprises: a plurality of cyclonic aerators, the cyclonic aerators being according to the first aspect of the invention; the fan is provided with an air outlet which is connected with the air inlet pipe; and the air inlet pipes of the plurality of the cyclone aerators are connected in parallel.

According to the utility model discloses a whirl aeration equipment through setting up the whirl aerator of above-mentioned first aspect, can promote dissolved oxygen rate, strengthens the aeration effect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic view of a cyclonic aeration apparatus according to an embodiment of the second aspect of the present invention;

FIG. 2 is a schematic view of the cyclonic aerator shown in FIG. 1;

FIG. 3 is a schematic view of the bubble generator shown in FIG. 2;

fig. 4 is a schematic view of the airflow guide shown in fig. 2.

Reference numerals:

the swirling aeration apparatus 100:

the air blower (1) is arranged on the air blower,

the cyclone aerator (2) is provided with a cyclone aerator,

a base 21, a cylinder 22, an air inlet pipe 23,

the airflow guide 24, the standpipe 241, the guide tube 242, the airflow outlet 2421,

the bubble generator 25, the bubble cutting impeller 251, the boss portion 2511, and the blade portion 2512.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A cyclonic aerator 2 according to an embodiment of the first aspect of the invention is described below with reference to figures 1 to 4.

As shown in fig. 2, a cyclone aerator 2 according to an embodiment of the first aspect of the present invention includes: a base 21, a cylinder 22, an air inlet pipe 23, an air flow guide 24 and a bubble generator 25.

Specifically, the cylinder 22 is arranged on the base 21, the axis of the cylinder 22 extends along the vertical direction, and the top and the bottom of the cylinder 22 are both open; the air inlet pipe 23 extends into the cylinder 22 from the top of the cylinder 22, and the air inlet pipe 23 extends to the lower part of the cylinder 22 along the axial direction of the cylinder 22; the airflow guide 24 is provided in the cylinder 22, a guide passage having an airflow inlet connected to the intake duct 23 and a plurality of airflow outlets 2421 formed in the airflow guide 24, the plurality of airflow outlets 2421 being rotationally symmetric with respect to the central axis of the cylinder 22, and the airflow outlets 2421 being configured to be adapted to eject airflow obliquely upward and in the circumferential direction of the cylinder 22; the bubble generator 25 is provided above the air flow guide 24, and the bubble generation includes a plurality of bubble cutting impellers 251, the plurality of bubble cutting impellers 251 being arranged at intervals in the axial direction of the cylinder 22. Therefore, in the embodiment, the air inlet pipe 23 extends into the cylinder 22 from the top of the cylinder 22 for aeration, so that the cyclone aerator 2 is formed into a structure that the air inlet pipe 23 enters air from the center of the cylinder 22, compared with the prior art that the air inlet pipe 23 is connected with the side wall of the cylinder 22 in a penetrating manner, and the upward opening of the elbow is used for aeration into the cylinder 22, on one hand, fatigue fracture at the joint of the air inlet pipe 23 and the cylinder 22 after long-time operation can be avoided to cause damage to the cyclone aerator 2, on the other hand, when the fan 1 of the cyclone aeration device 100 is overhauled, the upward elbow is blocked by sludge under the action of gravity, so that the cyclone aerator 2 cannot aerate or even damage the fan 1, in addition, the plurality of bubble cutting impellers 251 in the embodiment can refine bubbles, improve the dissolved oxygen rate.

The working principle of the cyclone aerator 2 of the utility model is as follows: when the sewage treatment device works, the air inlet pipe 23 is connected with a fan 1 (the fan 1 is described below), the fan 1 drives air flow to enter the guide channel from the air flow inlet along the extension direction of the air inlet pipe 23 and to be jetted from the air flow outlets 2421 to the periphery to form spiral upward air flow, after the air flow rises, vacuum is generated at the bottom, and waste water enters the cyclone aerator 2 to form a steam-water mixture with air through negative pressure suction and spirally rises. Rising steam-water mixture strikes bubble generator 25 to make its fast revolution, when steam-water mixture passes through, cut into the small bubble with big bubble, through bubble generator 25's cutting, the bubble constantly refines, becomes the even dissolution of microbubble in aquatic, realizes oxygenation aeration's effect. Meanwhile, the formed rotational flow further increases hydraulic stirring and enhances the efficiency of the bacterial clusters in the wastewater.

According to the utility model discloses a whirl aerator 2, stretch into barrel 22 through setting up intake pipe 23 into from barrel 22's top and carry out the aeration, make whirl aerator 2 form into intake pipe 23 from the structure that barrel 22 center was admitted air, can effectively avoid the tearing problem of barrel 22 and intake pipe 23, guarantee stability and atress equilibrium in whirl aerator 2 working process, and simultaneously, arrange a plurality of bubbles cutting impeller 251 through the axial along barrel 22, can make refining effect of bubble better, thereby further increase dissolved oxygen rate, strengthen the aeration effect.

According to some embodiments of the present disclosure, an included angle between the central axis of the airflow outlet 2421 and the horizontal plane is in a range of 30 degrees to 90 degrees, for example, the included angle between the central axis of the airflow outlet 2421 and the horizontal plane may be 30 degrees, 40 degrees, 50 degrees, 60 degrees, 70 degrees, 80 degrees, or 90 degrees, so that the ejected airflow may be conveniently lifted.

Referring to fig. 2 and 4, in some embodiments of the present invention, the airflow guide 24 may include: a standpipe 241 and a plurality of guide tubes 242. Specifically, the vertical pipe 241 is fixedly connected to the air inlet pipe 23, one end of the guide pipe 242 (e.g., the upper end in the guide pipe 242 shown in fig. 1) is connected to and communicates with the vertical pipe 241, the other end of the guide pipe 242 (e.g., the lower end of the guide pipe 242 shown in fig. 1) extends to be tangent to the inner circumferential wall of the cylinder 22, and in a direction from the vertical pipe 241 toward the cylinder 22 in the radial direction, the guide pipe 242 extends downward in the circumferential direction of the cylinder 22, and the other end of the guide pipe 242 is formed as an air outlet 2421 having a central axis extending upward in an inclined manner, so that air in the air inlet pipe 23 can flow toward the guide pipe 242 through the vertical pipe 241, and the air flowing from top to bottom in the air inlet pipe 13 is guided to flow in the circumferential direction of the cylinder 22 by the guiding action of the guide. Therefore, on one hand, the gas flowing vertically downwards in the vertical pipe 241 can be guided towards the inner peripheral wall of the cylinder 22, and the gas sprayed from the gas flow outlet 2421 is formed into spirally rising gas flow, and on the other hand, the guide pipe 242 extends downwards in a downward inclined mode, so that the rising stroke of the gas flow in water can be increased to a certain extent, and the purpose of full dissolution is achieved.

Further, referring to fig. 2, the standpipe 241 is screwed to the air inlet pipe 23, and the screwing direction of the standpipe 241 and the air inlet pipe 23 is the same as the reaction force direction of the airflow outlet 2421 when injecting the airflow, so that the connection stability of the standpipe 241 and the air inlet pipe 23 can be further improved, and the connection part of the standpipe 241 and the air inlet pipe 23 is prevented from being loosened during long-time operation.

In some embodiments, the lower end of the vertical pipe 241 is fixed on the base 21, and the other end of the guide pipe 242 is fixedly connected to the cylinder 22, for example, the lower end of the vertical pipe 241 may be screwed to the base 21, and the other end of the guide pipe 242 may be welded to the inner circumferential wall of the cylinder 22, so that the connection stability of the airflow guide 24 may be ensured, and the airflow guide 24 may be prevented from shaking or even being damaged when the airflow is ejected from the airflow guide 24. Meanwhile, the airflow guide 24 may also serve to fix the lower end of the cylinder 22.

Further, the distance between the lower end edge of the cylinder 22 and the lower end edge of the base 21 is in the range of 0.2m to 0.5m, for example, the distance between the lower end edge of the cylinder 22 and the lower end edge of the base 21 may be 0.2m, 0.3m, 0.4m or 0.5m, so that the lower end of the cylinder 22 and the sludge settled to the bottom can be kept at a sufficient distance, thereby ensuring that the sewage has a sufficient space to enter the cylinder 22 from the lower end of the cylinder 22 to be mixed with the gas.

According to some embodiments of the utility model, a plurality of bubble cutting impeller 251 are rotationally established in the outside of intake pipe 23, and bubble cutting impeller 251 constructs to be suitable for and is rotatory around its central axis under the fluid impact from bottom to top, and like this, bubble cutting impeller 251 can be under the impact of fluid effort, and the microbubble that will rise is cut into the micro bubble to promote dissolved oxygen rate, realize the effect of aeration.

Further, referring to fig. 2 and 3, the bubble cutting impeller 251 may include: the boss 2511 and the blade 2512. Specifically, the boss portion 2511 is sleeved on the air inlet pipe 23 and is in threaded connection with the air inlet pipe 23, so that the connection between the bubble cutting impeller 251 and the air inlet pipe 23 is prevented from being loosened; the blade 2512 is rotationally sleeved on the radial outer side of the shaft sleeve 2511, a plurality of rotating blades are arranged on the blade 2512, the rotating blades are arranged at intervals in the circumferential direction of the blade 2512, and the rotating blades extend outwards along the radial direction of the blade 2512 and extend to the inner surface of the adjacent cylinder 22, so that liquid can be sufficiently stirred, bubbles can be sufficiently cut, and the dissolved oxygen rate is further improved.

Optionally, there may be 6 to 12 blades on the blade portion 2512, for example, there may be 6, 8, 10 or 12 blades on the blade portion 2512; the included angle between each blade and the horizontal plane is in the range of 30 degrees to 60 degrees, and the included angle between each blade and the horizontal plane is the same, so that bubbles can be refined conveniently, and the dissolved oxygen rate and the aeration effect are improved.

Furthermore, the screw fastening direction of the boss 2511 and the air inlet pipe 23 is the same as the rotation direction of the blade 2512 under the impact of the fluid from bottom to top, so that the thrust generated by the fluid on the blade 2512 can enable the boss 2511 and the air inlet pipe 23 to be mutually screwed to prevent looseness.

In a specific example, both ends of the boss portion 2511 in the axial direction (in the up-down direction as shown in fig. 2) may be provided with a lock washer and a lock nut, and the lock nut is in threaded connection with the air inlet pipe 23, so that the connection between the boss portion 2511 and the air inlet pipe 23 can be reinforced and prevented from loosening.

According to some embodiments of the present invention, the bubble generator 25 may further include: at least three bubbles cut the impeller 251. That is, the bubble cutting impellers 251 may be three, or four, five, six, or more. Wherein, the top of barrel 22 is located to a bubble cutting impeller 251 of the top in barrel 22, and the radial inner end of the bubble cutting impeller 251 of the top is fixed and radial outer end is fixed with barrel 22 with intake pipe 23, like this, can prevent in long-time working process, because of the axle sleeve portion 2511 appears becoming flexible with being connected of intake pipe 23 and leads to the bubble cutting impeller 251 of top upwards to slide out in the barrel 22. At the same time, the upper end of the cylinder 22 is fixed by the uppermost bubble cutting impeller 251.

Here, it should be noted that, the fixing of the radially outer end of the bubble cutting impeller 251 to the cylinder 22 may be: the plurality of blades of the blade unit 2512 are fixed to the cylinder 22 at their radially outer ends, for example, the plurality of blades are welded to the cylinder 22 at their radially outer ends, and at this time, the blade unit 2512 of the uppermost bubble cutting impeller 251 is stationary and does not rotate, and when the lower air-water mixture flows through the uppermost bubble cutting impeller 251, the bubble cutting impeller 251 cuts the bubbles in a stationary state.

Of course, the radially outer end of the bubble cutting impeller 251 is fixed to the cylinder 22, and may also refer to: the boss portion 2511 of the uppermost bubble cutting impeller 251 is provided with a connecting portion extending radially outward to the inner peripheral wall of the cylinder 22, and the connecting portion is fixedly connected to the cylinder 22, for example, the connecting portion is welded to the cylinder 22. At this time, the uppermost bubble cutting impeller 251 may fix the upper end of the cylinder 22, and when the lower steam-water mixture flows through the uppermost bubble cutting impeller 251, the bubble cutting impeller 251 may rotate by the impact of the fluid to further cut the bubbles.

A swirling aeration apparatus 100 according to a second aspect of the present invention is described below with reference to fig. 1 to 4.

Referring to fig. 1, a cyclonic aeration apparatus 100 according to the second aspect of the present invention comprises: a plurality of the cyclone aerators 2 and fans 1 according to the first aspect of the present invention. Specifically, the fan 1 has an air outlet connected to the air inlet pipe 23; the air inlet pipes 23 of the plurality of the cyclone aerators 2 are connected in parallel, so that the fan 1 can drive the air flow to enter the air inlet pipe 23, and thus the continuous air flow is provided for the cyclone aerators 2, and meanwhile, the air inlet pipes 23 of the plurality of the cyclone aerators 2 are connected in parallel, so that the structure of the cyclone aerator 100 can be further simplified, and the maintenance is convenient.

For example, as shown in fig. 1, the air inlet pipes 23 of the plurality of cyclone aerators 2 may share the same main air inlet pipe, each air inlet pipe 23 is formed into a branch, one end of the main air inlet pipe is connected to the air outlet of the fan 1, the air inlet pipes 23 of the plurality of branches may be uniformly spaced along the extension direction of the main air inlet pipe, the air inlet pipes 23 of the plurality of branches are all communicated with the main air inlet pipe, and thus, the air flow in the main air inlet pipe may flow to the air inlet pipes 23 of the plurality of branches respectively under the driving of the fan 1, thereby aerating the inside of the cylinder 22.

According to the second aspect of the present invention, the spiral-flow aeration apparatus 100 can enhance the dissolved oxygen rate and enhance the aeration effect by providing the spiral-flow aerator 2 of the first aspect.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A cyclonic aerator, comprising:

a base;

the cylinder body is arranged on the base, the axis of the cylinder body extends along the vertical direction, and the top and the bottom of the cylinder body are both open;

the air inlet pipe extends into the barrel from the top of the barrel and extends to the lower part of the barrel along the axial direction of the barrel;

the airflow guide piece is arranged in the cylinder body, a guide channel is formed in the airflow guide piece, the guide channel is provided with an airflow inlet and a plurality of airflow outlets, the airflow inlet is connected with the air inlet pipe, the airflow outlets are rotationally symmetrical about the central axis of the cylinder body, and the airflow outlets are suitable for ejecting airflow obliquely upwards and along the circumferential direction of the cylinder body;

the bubble generator is arranged above the airflow guide piece, and comprises a plurality of bubble cutting impellers which are arranged at intervals in the axial direction of the cylinder.

2. The cyclonic aerator of claim 1, wherein the central axis of the airflow outlet is at an angle in the range of 30 degrees to 90 degrees to a horizontal plane.

3. A cyclonic aerator as claimed in claim 1 or 2, wherein the airflow guide comprises:

a vertical pipe which is fixedly connected with the air inlet pipe,

the device comprises a plurality of guide pipes, wherein one ends of the guide pipes are connected and communicated with the vertical pipe, and the other ends of the guide pipes extend to the inner peripheral wall of the cylinder body in a tangent mode.

4. The spiral-flow aerator of claim 3, wherein the standpipe is in threaded connection with the air inlet pipe, and the threaded fastening direction of the standpipe to the air inlet pipe is the same as the reaction force direction of the airflow outlet when injecting the airflow.

5. The cyclonic aerator of claim 3, wherein the lower end of the vertical tube is fixed to a base, and the other end of the guide tube is fixedly connected to the housing.

6. The cyclonic aerator of claim 5, wherein the lower edge of the cylinder is spaced from the lower edge of the base by a distance in the range of 0.2m to 0.5 m.

7. The cyclonic aerator of claim 1, wherein a plurality of the bubble cutter impellers are rotatably mounted to the outside of the air inlet pipe and are configured and adapted to rotate about their central axes upon being impinged upon by a fluid from below to above.

8. The cyclonic aerator of claim 7, wherein the bubble cutting impeller comprises:

the shaft sleeve part is sleeved on the air inlet pipe and is in threaded connection with the air inlet pipe;

the blade portion, blade portion rotationally overlaps and establishes the radial outside of axle sleeve portion, be equipped with on the blade portion a plurality of rotating vane of interval arrangement in the circumferential direction of blade portion, rotating vane follows the radial outside extension of blade portion and extend to the neighbouring the internal surface of barrel.

9. The spiral-flow aerator of claim 8, wherein the screw fastening direction of the boss portion and the air inlet pipe is the same as the rotation direction of the blade portion under the impact of the fluid from bottom to top.

10. The rotational flow aerator according to claim 8 or 9, wherein both axial ends of the boss portion are provided with a lock washer and a lock nut, and the lock nut is in threaded connection with the air inlet pipe.

11. The cyclonic aerator of claim 1, wherein the bubble generator comprises: at least three bubble cutting impeller, be located the top in the at least three bubble cutting impeller locates the top of barrel, and the top the radial inner of bubble cutting impeller with the intake pipe is fixed and radial outer end with the barrel is fixed.

12. A cyclonic aeration apparatus comprising:

a plurality of cyclonic aerators, the cyclonic aerators being in accordance with any one of claims 1-11;

the fan, the fan has the air outlet, the air outlet with the intake pipe links to each other.

Images