CN212680674U - Micro-nano bubble generator - Google Patents
Micro-nano bubble generator Download PDFInfo
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- CN212680674U CN212680674U CN202021232626.2U CN202021232626U CN212680674U CN 212680674 U CN212680674 U CN 212680674U CN 202021232626 U CN202021232626 U CN 202021232626U CN 212680674 U CN212680674 U CN 212680674U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model discloses a micro-nano bubble generator, which comprises a cylindrical gas-liquid mixing chamber, wherein the upper end of the gas-liquid mixing chamber is provided with a top cover to form a closed gas-liquid convolution chamber, a guide pipe is arranged in the gas-liquid convolution chamber, the upper end of the guide pipe is communicated with the outside of the gas-liquid convolution chamber, and the lower end of the guide pipe extends to the lower end of the gas-liquid convolution chamber; a liquid inlet pipe communicated with the gas-liquid convolution chamber is arranged on the side wall of the upper end of the gas-liquid convolution chamber or the top cover, a liquid outlet pipe is arranged at the upper end of the guide pipe, and the other end of the liquid outlet pipe extends out of the gas-liquid convolution chamber; the upper end of the gas-liquid convolution chamber is provided with a spiral flow guide piece below the liquid inlet pipe, and mixed liquid at the liquid inlet end of the gas-liquid convolution chamber is discharged from the liquid outlet pipe through the guide pipe in a spiral mode after passing through the spiral flow guide piece. The utility model discloses a micro-nano bubble generator, simple structure, gas-liquid mixture is efficient.
Description
Technical Field
The utility model belongs to the technical field of oxygen equipments technique and specifically relates to a micro-nano bubble generator.
Background
The liquid aerator is one kind of machine used in aquiculture, landscape and other industry, and has the main function of increasing oxygen content in water to ensure the fish or landscape in water not to become anoxic and inhibit the growth of anaerobic bacteria in water to prevent water from deteriorating and threatening the living environment of fish and landscape. The oxygen increasing machine has air pump to pump air into water to transfer oxygen from air to aerobic water body, and has comprehensive physical, chemical and biological functions to eliminate oxygen deficiency, promote convection exchange and improve water quality.
In the prior art, as in the patent of application No. 201080042484.6, the inlet tube and the side wall of the mixing chamber are arranged in a tangential direction to promote the mixed liquid to pass through the arc-shaped side wall of the inlet tube and reach the mixing chamber, the rotation of the liquid is realized by the guiding action of the arc-shaped side wall, and in the continuous rotating and flowing process of the mixed liquid, the large bubble air in the liquid is mixed into the liquid to realize the generation of the micro-bubbles. In this way, the liquid is only guided in rotation by the obliquely curved faces, the driving force is limited, resulting in inefficient mixing of the air and the liquid through the mixing chamber.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, and the micro-nano bubble generator with a simple structure and high gas-liquid mixing efficiency is provided.
The utility model adopts the technical proposal that: the micro-nano bubble generator comprises a cylindrical gas-liquid mixing cavity, wherein a top cover is arranged at the upper end of the gas-liquid mixing cavity to form a closed gas-liquid whirling chamber, a guide pipe is arranged in the gas-liquid whirling chamber, the upper end of the guide pipe is communicated with the outside of the gas-liquid whirling chamber, and the lower end of the guide pipe extends to the lower end of the gas-liquid whirling chamber; a liquid inlet pipe communicated with the gas-liquid swirling chamber is arranged on the side wall of the upper end of the gas-liquid swirling chamber or the top cover, a liquid outlet pipe is arranged at the upper end of the guide pipe, and the other end of the liquid outlet pipe extends out of the gas-liquid swirling chamber; and the upper end of the gas-liquid convolution chamber is provided with a spiral flow guide piece below the liquid inlet pipe, and mixed liquid at the liquid inlet end of the gas-liquid convolution chamber is discharged from the liquid outlet pipe through the guide pipe in a spiral mode after passing through the spiral flow guide piece.
Compared with the prior art, the utility model has the following advantage:
the micro-nano bubble generator device in the novel structure is characterized in that a guide pipe is arranged in the inner cavity of a cylindrical gas-liquid convolution chamber along the vertical direction, the lower end of the guide pipe is communicated with the gas-liquid convolution chamber, the upper end of the guide pipe is communicated with the outside of the gas-liquid convolution chamber through a liquid outlet pipe, a spiral flow guide piece is arranged at the position, close to the lower part of a liquid inlet pipe, of the upper end of the gas-liquid convolution chamber, when external mixed liquid enters the gas-liquid convolution chamber from the liquid inlet pipe and flows downwards from the top, the mixed liquid firstly passes through the spiral flow guide piece, under the flow guide impact action of the spiral surface of the spiral flow guide piece, the mixed liquid generates rotating force, the rotating buffering liquid continues to flow downwards, an upward reverse acting force is generated after the external mixed liquid flows downwards to the bottom surface of the gas-liquid convolution chamber, then the reversely rotating mixed liquid moves upwards to enter the guide pipe and moves upwards, in the process, the mixed liquid continuously flows in a vortex manner in the gas-liquid convolution chamber and the guide pipe, so that the gas in the mixed liquid is fully mixed and melted into the liquid under the action of the vortex shearing force, and a large amount of micro-nano bubbles are generated.
As a preferable structure, the spiral flow guide piece comprises at least one flow guide blade, and the flow guide blade is obliquely and spirally connected between the guide pipe and the side wall of the gas-liquid rotating chamber.
As another preferred structure, the spiral flow guide piece comprises a mounting disc, the inner end of the mounting disc is connected with the guide pipe, and the outer end of the mounting disc is connected with the inner side wall of the gas-liquid convolution chamber; a plurality of arc-shaped convex edges distributed circumferentially are arranged on the upper end face of the mounting disc, through holes are formed in the positions, corresponding to the arc-shaped convex edges, on the mounting disc, and arc-shaped water outlet pipes distributed circumferentially are arranged at the positions, corresponding to the through holes, of the other end of the mounting disc; the water outlets of the arc-shaped water outlet pipes are arranged along the horizontal direction.
Preferably, the through hole is formed in the radially outer end surface of the mounting disc and is close to the outer arc surface of the arc-shaped convex rib. After the arrangement, the mixed liquid above the spiral flow guide piece in the gas-liquid convolution chamber flows downwards from the through hole, and the liquid rotates and flows under the guide effect of the arc-shaped water outlet pipe; and the outer end part of the mounting disc is the inner side wall of the arc-shaped gas-liquid convolution chamber, so that the rotated liquid directly rotates along the arc-shaped side wall of the gas-liquid convolution chamber, and almost no reverse acting resistance exists.
More specifically, the rotation direction of the guide vane is left-handed or right-handed. The rotation direction of the guide vane in the structure only influences the rotation direction of the mixed liquid, and specific micro-bubble generation cannot be influenced.
As an improvement, the upper end of the gas-liquid convolution chamber is provided with a gas outlet pipe, and the height of the gas outlet pipe is higher than that of the liquid outlet pipe. The gas outlet pipe structure is used for discharging gas accumulated at the top of the gas-liquid swirling chamber and not fully mixed in liquid, and the normal mixing function of the gas-liquid swirling chamber is ensured.
Preferably, the guide pipe is provided coaxially with the gas-liquid swirling chamber.
Drawings
Fig. 1 is a half-section structure diagram of the micro-nano bubble generator of the utility model.
Fig. 2 is a half-section structure diagram of another structure of the micro-nano bubble generator of the utility model.
Fig. 3 is a sectional top view taken along line a-a in fig. 1.
Fig. 4 is another angular view of the cross-section a-a in fig. 1.
Fig. 5 is another angular view of the cross-section B-B in fig. 1.
The gas-liquid cyclone chamber comprises a gas-liquid cyclone chamber 1, a top cover 2, a guide pipe 3, a liquid inlet pipe 4, a liquid outlet pipe 5, guide vanes 6, a gas outlet pipe 7, an installation plate 8, an arc-shaped rib 9.1, an outer arc surface 10 and a water outlet pipe 10.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
In the description of the present invention, it should be noted that the terms "upper end", "lower end", "side wall", "lower side", 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 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 term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; 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.
The first embodiment is as follows:
as shown in fig. 1, the utility model provides a pair of micro-nano bubble generator, including the gas-liquid mixing chamber of a cylinder, set up a top cap 2 in the upper end of gas-liquid mixing chamber, formed a confined gas-liquid room 1 that circles round. Specifically, the gas-liquid swirling chamber 1 can be connected with a top cover 2 in a sealing way at the upper part of a cylinder mechanism with an opening at the upper end; or a circular tube structure with two open ends, and the two ends are hermetically connected with the corresponding top cover 2 and the bottom plate to form a closed chamber.
A guide pipe 3 is vertically arranged in the gas-liquid convolution chamber 1, and the structure of the guide pipe 3 is also a circular pipe structure. And the upper end of the guide pipe 3 is communicated with the outside of the gas-liquid convolution chamber 1, the lower end of the guide pipe 3 extends to the lower end of the gas-liquid convolution chamber 1, and a certain distance is directly reserved between the lower end of the guide pipe 3 and the bottom of the gas-liquid convolution chamber 1.
Specifically, as shown in fig. 1, a liquid inlet hole is formed in the side wall of the upper end of the gas-liquid swirling chamber 1, a liquid inlet pipe 4 is connected to the position of the liquid inlet hole, one end of the liquid inlet pipe 4 is communicated with an external water pump, and the other end of the liquid inlet pipe 4 extends into the liquid inlet hole, so that external liquid is pumped into the gas-liquid swirling chamber 1 through the water pump. Certainly, the liquid inlet hole can also be directly arranged on the top cover 2 (not shown in the figure), and the lower sheet of the liquid inlet pipe 4 is connected in the liquid inlet hole to realize the communication with the inner cavity of the gas-liquid whirling chamber 1.
Correspondingly, the upper end of the guide pipe 3 is communicated with the outside of the gas-liquid convolution chamber 1, namely, the upper end of the guide pipe 3 is connected with a liquid outlet pipe 5, one end of the liquid outlet pipe 5 is communicated with the guide pipe 3, and the other end of the liquid outlet pipe directly penetrates out of the top cover 2 along the vertical direction.
The liquid outlet pipe 5 can also be directly arranged on the side wall of the upper end of the guide pipe 3 along the horizontal direction, and the outer end of the liquid outlet pipe 5 penetrates through the side wall of the gas-liquid convolution chamber 1, so that the inner cavity of the guide pipe 2 is communicated with the outside of the gas-liquid convolution chamber 1. Specifically, as shown in fig. 1, the top end of the guide tube 3 is hermetically connected to the bottom surface of the top cover 2, the liquid outlet tube 5 is connected to the side wall of the guide tube 3 along the horizontal direction, the inner end of the liquid outlet tube 5 is communicated with the guide tube 3, and the outer end of the liquid outlet tube extends to the side wall of the gas-liquid mixing chamber. The upper end of the specific guide pipe 3 can be welded with the top cover 2 to form an integral structure, and can also be directly processed into an integral structure, and can also be in other assembly connection, and corresponding sealing rings are added at the connection parts to realize sealing connection. The lower end of the guide pipe 3 extends to the lower end of the gas-liquid convolution chamber 1, and a certain space is directly reserved between the lower end of the guide pipe 3 and the bottom of the gas-liquid convolution chamber 1.
As shown in fig. 2, the upper end of the guide tube 3 is bent directly along the horizontal direction to form a horizontal liquid outlet tube 5, and the outer end of the liquid outlet tube 5 penetrates through the side wall of the gas-liquid swirling chamber 1.
In this embodiment, in order to enable the mixed liquid to rotate more smoothly and uniformly in the gas-liquid swirling chamber 1, the central axis of the guide pipe 3 in the mechanism is coaxial with the central axis of the gas-liquid swirling chamber 1, that is, the guide pipe 3 is located at the middle position of the gas-liquid swirling chamber 1, so that the distances between the outer side wall of the guide pipe 3 and the inner side wall of the gas-liquid swirling chamber 1 are equal, and the flow passages between the outer side wall and the inner side wall are arc-shaped flow passages, which is favorable for the rotational flow of the mixed liquid.
On the other hand, a spiral flow guide part is arranged at the upper end of the gas-liquid swirling chamber 1 and below the liquid inlet pipe 4, the spiral flow guide part mainly acts on the mixed liquid passing through the spiral flow guide part to rotate, so that the external liquid enters the gas-liquid swirling chamber 1 from the liquid inlet pipe 4 under the suction action of the water pump, then the mixed liquid continuously flows downwards to generate spiral acting force after passing through the spiral flow guide part, and generates reverse vortex after reaching the bottom of the gas-liquid swirling chamber 1 in a spiral mode, then the rotating water flow continuously moves upwards, the gas-liquid swirling chamber 1 is discharged from the liquid outlet pipe 5 through the guide pipe 3, and the gas-liquid mixture continuously rotating in the gas-liquid swirling chamber 1 generates a large amount of micro-nano bubbles, so that the liquid discharged from the liquid outlet pipe 5 has a large amount of micro-nano bubbles.
Specifically, the number of the spiral flow guiding pieces can be one, two or more, when the number of the spiral flow guiding pieces is more than two, the spiral flow guiding pieces are distributed along the axial direction of the guiding pipe 3 at certain intervals, and the rotating directions of the spiral flow guiding pieces arranged in the same gas-liquid swirling chamber 1 are required to be consistent, so that the rotating motion of the mixed liquid is ensured.
In addition, it should be noted that the mixed liquid entering the gas-liquid swirling chamber 1 in the structure is already liquid with air, namely, the air inlet pipe is arranged at the water inlet end of the water pump at the same time, so that a certain amount of air is mixed in the mixed liquid which is sucked into the gas-liquid swirling chamber 1 by the water pump and is mixed in water, after the mixed liquid passes through the spiral flow guide piece, the mixed liquid continuously rotates, and the air in the water is changed into a large amount of micro-nano bubbles.
In this embodiment, as shown in fig. 3 and 4, the spiral flow guiding element includes at least one flow guiding vane 6 (not shown), and the flow guiding vane 6 is spirally connected between the guiding pipe 3 and the sidewall of the gas-liquid swirling chamber 1 in an oblique manner. Specifically, the inner end of the guide vane 6 is connected to the guide pipe 3; or the outer end of the guide vane 6 is connected with the inner side wall of the gas-liquid convolution chamber 1; or the inner end of the guide vane 6 is connected with the guide pipe 3, and the outer end is connected with the inner side wall of the gas-liquid convolution chamber 2.
More specifically, in order to better increase the effect of the spiral flow guide, the flow guide vanes 6 may be multi-piece type, and the multi-piece flow guide vanes 6 are spirally connected between the guide pipe 3 and the inner side wall of the gas-liquid swirling chamber 1 along the circumferential direction. The spiral guide piece of the structure is similar to fan blades on the market, the cross section of each guide blade 6 is of a curved surface structure, the connection point route of each guide blade 6 is spiral, and the rotary force is generated by liquid passing through the spiral guide piece for better guarantee.
Specifically, the turning direction of the guide vane 6 is left-handed or right-handed. The difference in the rotational directions directly causes the difference in the rotational direction of the mixed liquid in the gas-liquid swirling chamber 1, but is the same for the generation of nano bubbles. The rotation direction of the guide vane 6 can be rotated arbitrarily in this structure.
When the gas-liquid mixture body rotates in the gas-liquid chamber 1, the liquid and the air are fully mixed, when the mixture is not timely, the redundant gas cannot be fully mixed into the liquid, the gas can be gathered at the upper end of the gas-liquid chamber 1, and when the gathered gas is more and more, the subsequent mixing function of the gas-liquid chamber 1 can be affected. Therefore, in order to solve this problem in this structure, a corresponding gas outlet pipe 7 is provided at the upper end of the gas-liquid swirling chamber 1 for discharging the excess gas in time, and the position of the gas outlet pipe 7 is higher than that of the liquid outlet pipe 5.
Specifically, the outlet pipe 7 can be directly arranged on the top cover 2 or on the side wall of the gas-liquid swirling chamber 1, one end of the outlet pipe 7 is communicated with the gas-liquid swirling chamber 1, and the other end of the outlet pipe 7 is further connected with a corresponding one-way valve, so that gas can only be discharged from the gas-liquid swirling chamber 1 outwards, and the outside gas cannot reversely enter the gas-liquid swirling chamber 1. Of course, in this structure, the air outlet pipe 7 may be disposed on the outer side wall of the liquid outlet pipe 5, and the air outlet pipe 7 is communicated with the inner cavity of the liquid outlet pipe 5.
In order to effectively improve the efficiency of gas-liquid mixture, can also establish ties a plurality of this novel disclosed micro-nano bubble generator and use in the in-service use in-process.
Example two:
the structure of the embodiment is the same as that of the most part of the embodiment, and the only difference is that the specific structure of the spiral flow guide piece is different.
Specifically, as shown in fig. 4 and 5, the spiral flow guide member in this embodiment includes a mounting disk 8, an inner end of the mounting disk 8 is connected to the guide pipe 3, and an outer end of the mounting disk 8 is connected to an inner side wall of the gas-liquid swirling chamber 1; the connection part of the inner end and the outer end of the mounting plate 8 is in sealing connection.
A plurality of arc-shaped convex edges 9 distributed circumferentially are arranged on the upper end surface of the mounting disc 8, through holes 8.1 are formed in the positions, corresponding to the arc-shaped convex edges 9, on the mounting disc 8, and arc-shaped water outlet pipes 10 distributed circumferentially are arranged at the positions, corresponding to the through holes 8.1, of the other end of the mounting disc 8; specifically, the outer arc surfaces of the arc-shaped water outlet pipes 10 are attached to the arc shape of the side wall of the gas-liquid rotation chamber 1, the water outlets 10.1 of the arc-shaped water outlet pipes 10 are arranged along the horizontal direction, and the outer side surface of each water outlet 10.1 is the side wall of the gas-liquid rotation chamber 1.
In this embodiment, four arc-shaped protruding ridges 9 are provided, through holes 8.1 are provided at positions where outer arc surfaces 9.1 of the four arc-shaped protruding ridges 9 are connected to the mounting disk 8, the specific positions of the through holes 8.1 are positions where the outer arc surfaces 9.1 of the arc-shaped protruding ridges 9 are connected to the mounting disk 8, and the through holes are located on the outer end surface of the mounting disk 8 in the radial direction, that is, a side wall of the through hole 8.1 is a side wall of the gas-liquid swirling chamber 1.
In addition, four arc-shaped water outlet pipes 10 are also arranged on the other end surface of the mounting plate 8, so in the structure, although the water outlets 10.1 of the four arc-shaped water outlet pipes 10 are arranged along the horizontal direction, and the four water outlets 10.1 are arranged along the arc-shaped surface of the inner side wall of the gas-liquid convolution chamber 1 in an extending manner. Namely, the lateral surface of the water outlet 10.1 is also an arc-shaped surface, so that after the liquid comes out from the water outlets 10.1 of the four arc-shaped water outlet pipes 10, the liquid flows in a rotating manner under the guiding effect of the arc-shaped surface, the spiral flow guiding effect is realized, the gas and the liquid are continuously mixed in the spiral flow process, and finally, a large amount of nano bubbles are formed.
In addition, the direction of the arrow curve shown in fig. 1 is the flow direction of the mixed liquid in the gas-liquid swirling chamber 1.
While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.
Claims (6)
1. A micro-nano bubble generator is characterized in that: the gas-liquid mixing device comprises a cylindrical gas-liquid mixing cavity, wherein a top cover (2) is arranged at the upper end of the gas-liquid mixing cavity to form a closed gas-liquid swirling chamber (1), a guide pipe (3) is arranged in the gas-liquid swirling chamber (1), the upper end of the guide pipe (3) is communicated with the outside of the gas-liquid swirling chamber (1), and the lower end of the guide pipe (3) extends to the lower end of the gas-liquid swirling chamber (1); a liquid inlet pipe (4) communicated with the gas-liquid swirling chamber (1) is arranged on the side wall of the upper end of the gas-liquid swirling chamber (1) or the top cover (2), a liquid outlet pipe (5) is arranged at the upper end of the guide pipe (3), and the other end of the liquid outlet pipe (5) extends out of the gas-liquid swirling chamber (1); the upper end of the gas-liquid convolution chamber (1) is provided with a spiral flow guide piece below the liquid inlet pipe (4), and mixed liquid at the liquid inlet end of the gas-liquid convolution chamber (1) is discharged from the liquid outlet pipe (5) through the guide pipe (3) in a spiral mode after passing through the spiral flow guide piece.
2. The micro-nano bubble generator of claim 1, wherein: the spiral flow guide piece comprises at least one flow guide blade (6), and the flow guide blade (6) is obliquely and spirally connected between the guide pipe (3) and the side wall of the gas-liquid swirling chamber (1).
3. The micro-nano bubble generator of claim 1, wherein: the spiral flow guide piece comprises a mounting disc (8), the inner end of the mounting disc (8) is connected with the guide pipe (3), and the outer end of the mounting disc is connected with the inner side wall of the gas-liquid convolution chamber (1); a plurality of arc-shaped convex edges (9) distributed circumferentially are arranged on the upper end face of the mounting disc (8), through holes (8.1) are formed in the positions, corresponding to the arc-shaped convex edges (9), on the mounting disc (8), and arc-shaped water outlet pipes (10) distributed circumferentially are arranged at the positions, corresponding to the through holes (8.1), of the other end of the mounting disc (8); the water outlets of the arc-shaped water outlet pipes (10) are arranged along the horizontal direction.
4. The micro-nano bubble generator of claim 3, wherein: the through holes (8.1) are formed in the radial outer end face of the mounting disc (8) and are close to the outer arc face (9.1) of the arc-shaped convex rib (9).
5. The micro-nano bubble generator of claim 1, wherein: an air outlet pipe (7) is arranged at the upper end of the gas-liquid convolution chamber (1), and the position of the air outlet pipe (7) is higher than the position of the liquid outlet pipe (5).
6. The micro-nano bubble generator of claim 1, wherein: the guide pipe (3) is arranged coaxially with the gas-liquid convolution chamber (1).
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| CN202021232626.2U CN212680674U (en) | 2020-06-29 | 2020-06-29 | Micro-nano bubble generator |
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| CN202021232626.2U CN212680674U (en) | 2020-06-29 | 2020-06-29 | Micro-nano bubble generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636629A (en) * | 2021-07-30 | 2021-11-12 | 蓝淼科技(广州)有限公司 | Water treatment device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636629A (en) * | 2021-07-30 | 2021-11-12 | 蓝淼科技(广州)有限公司 | Water treatment device and method |
| CN113636629B (en) * | 2021-07-30 | 2023-09-01 | 蓝淼科技(广州)有限公司 | Water treatment device and method |
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