CN212855320U - Micro-nano bubble aerator - Google Patents
Micro-nano bubble aerator Download PDFInfo
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- CN212855320U CN212855320U CN202021641399.9U CN202021641399U CN212855320U CN 212855320 U CN212855320 U CN 212855320U CN 202021641399 U CN202021641399 U CN 202021641399U CN 212855320 U CN212855320 U CN 212855320U
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Abstract
The utility model discloses a micro-nano bubble aerator, which comprises an outer tube, an inner cavity and an aeration cavity; the inner cavity comprises a water inlet cavity, a first throat cavity, a second cavity, a third cavity, a fourth cavity, a second throat cavity and a water outlet cavity which are connected in sequence; the water inlet cavity is an equal-diameter cavity; the first cavity is connected with the water inlet cavity and the diameter of the first cavity is gradually reduced; the first throat cavity is connected with the first cavity and has a constant diameter; the second cavity is connected with the first laryngeal cavity and gradually enlarges in diameter; the third cavity is connected with the second cavity and has a constant diameter; the fourth cavity is connected with the third cavity and the diameter of the fourth cavity is gradually reduced; the second throat cavity is connected to the fourth cavity and has a constant diameter; the water outlet cavity is connected with the second throat cavity and the diameter of the water outlet cavity is gradually enlarged; the air inlet of the ventilation cavity penetrates through the outer pipe, and the air outlet of the ventilation cavity is respectively communicated with the first throat cavity and the second throat cavity. The utility model discloses a micro-nano bubble aerator simple structure, simple to operate is difficult for blockking up.
Description
Technical Field
The utility model particularly relates to a micro-nano bubble aerator can be applied to the gas-liquid mixture, belongs to water treatment technical field.
Background
Because the micro-nano bubbles have the characteristics of large specific surface area, long retention time, high interface potential, free radical generation, mass transfer enhancement and the like, the micro-nano bubbles have excellent application prospects in various fields, such as: sewage treatment, plant cultivation, new material preparation, cleaning, mineral flotation and the like.
The existing micro-nano aerator is often connected with a pump or a gas-liquid mixing pressure tank and the like to be used as a terminal of a system (or a device) to generate micro-nano bubbles, and is applied to river regulation or bathing. But if the micro-nano aerator is directly connected in the middle of the pipeline system to generate micro-nano bubbles, the system is more convenient, efficient and cost-saving.
SUMMERY OF THE UTILITY MODEL
The utility model provides a micro-nano bubble aerator can the lug connection produce micro-nano bubble in the middle of the pipe-line system, realizes the double-phase mixed intensive mixing of gas-liquid, can dissolve various gases into the aquatic like air, oxygen, nitrogen gas, ozone, hydrogen, carbon dioxide, inert gas etc. but wide application in fields such as environmental protection water treatment, farming, aquaculture, ore flotation, tail gas treatment, cleaning and disinfection, bathing health care.
The micro-nano bubble aerator comprises an outer pipe, an inner cavity and an air-through cavity; wherein the inner cavity and the ventilation cavity are arranged in the outer tube.
The inner cavity comprises a water inlet cavity, a first throat cavity, a second cavity, a third cavity, a fourth cavity, a second throat cavity and a water outlet cavity which are connected in sequence; the water inlet cavity is an equal-diameter cavity; the first cavity is connected with the water inlet cavity and the diameter of the first cavity is gradually reduced; the first throat cavity is connected with the first cavity and has a constant diameter; the second cavity is connected with the first laryngeal cavity and gradually enlarges in diameter; the third cavity is connected with the second cavity and has a constant diameter; the fourth cavity is connected with the third cavity and the diameter of the fourth cavity is gradually reduced; the second throat cavity is connected to the fourth cavity and has a constant diameter; the water outlet cavity is connected with the second throat cavity and the diameter of the water outlet cavity is gradually enlarged.
The air inlet of the ventilation cavity penetrates through the outer pipe, and the air outlet of the ventilation cavity is respectively communicated with the first throat cavity and the second throat cavity.
Under the preferred condition, the outer tube both ends are equipped with the external screw thread, are convenient for with external pipe connection.
Preferably, one or more cavity sub-units are connected between the second throat pipe and the water outlet cavity, and each cavity sub-unit comprises a fifth cavity, a third cavity, a fourth cavity, a second throat cavity and a corresponding ventilation cavity which are sequentially connected; the diameter of the inlet of the fifth cavity is the same as that of the second throat pipe, the diameter of the fifth cavity is gradually enlarged, and the diameter of the outlet of the fifth cavity is the same as that of the third cavity.
Furthermore, in order to improve the dissolved oxygen of the water body, an air-entrapping device such as an air compressor, an oxygen generator, a liquid oxygen tank and the like can be connected to the air inlet of the micro-nano bubble aerator; other gas sources are connected to improve the dissolving concentration of the gas micro-nano bubbles in water.
The micro-nano bubble aerator has good gas-liquid mixing effect and convenient installation. After the inner cavity is connected with a plurality of groups of aeration sub-units in series, the gas-liquid mixing effect can be further increased, and micro-bubble fluid with smaller grain diameter is formed, so that the micro-bubble generating effect is better.
The utility model has the advantages that: micro-nano bubbles are generated by using a micro-nano bubble aerator, so that the dissolving concentration of gas in water is rapidly improved; the micro-nano bubble aerator is simple in structure, convenient to install and not easy to block.
Drawings
Fig. 1 is a schematic structural diagram of the micro-nano bubble aerator of the utility model;
fig. 2 is a schematic diagram of a multistage cavity series structure of the micro-nano bubble aerator of the utility model.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in figure 1, the micro-nano bubble aerator comprises an outer pipe 5-1, an inner cavity 5-2 and an air-through cavity 5-3. The two ends of the outer pipe 5-1 are provided with external threads 5-11. The inner cavity 5-2 is positioned inside the outer tube 5-1; the inner cavity 5-2 is a water inlet cavity 5-20, a first cavity 5-21, a first throat cavity 5-26, a second cavity 5-22, a third cavity 5-23, a fourth cavity 5-24, a second throat cavity 5-27 and a water outlet cavity 5-28 which are connected in sequence.
The air cavity 5-3 is positioned between the outer tube 5-1 and the inner cavity 5-2, the air inlet 5-31 of the air cavity 5-3 is positioned outside the outer tube 5-1, and the air outlet end of the air cavity 5-3 is respectively connected with the first throat cavity 5-26 and the second throat cavity 5-27.
In a specific case, the water inlet cavity 5-20 is an equal-diameter cavity with a smaller diameter; the first cavity 5-21 is connected with the water inlet cavity 5-20 and the diameter of the first cavity is gradually reduced; the first throat cavity 5-26 is connected with the first cavity 5-21 and has a constant diameter; the second cavity 5-22 is connected with the first throat cavity 5-26 and gradually enlarges in diameter; the third cavity 5-23 is connected with the second cavity 5-22 and has a constant diameter; the fourth cavity 5-24 is connected with the third cavity 5-23 and the diameter is gradually reduced; the second throat cavity 5-27 is connected with the fourth cavity 5-24 and has a constant diameter; the water outlet cavity 5-28 is connected with the second throat cavity 5-27 and gradually enlarges in diameter.
Furthermore, in order to improve the dissolved oxygen of the water body, air-entrapping devices such as an air compressor, an oxygen generator, a liquid oxygen tank and the like can be connected to the air inlets 5-31 of the micro-nano bubble aerator.
The utility model discloses a micro-nano bubble aerator produces micro-nano bubble process: the water flows into the water inlet cavity 5-20, the diameter of the cavity is gradually reduced when the water passes through the first cavity 5-21, and the flow speed is increased and the pressure is reduced; when water flows into the second cavity 5-22 through the first throat cavity 5-26, the diameter of the cavity is gradually enlarged, and the flow speed is reduced and the pressure is increased; negative pressure is formed at the first throat cavity 5-26, air is sucked from the ventilation cavity 5-3, and primary gas-liquid mixing is completed in the third cavity 5-23; when the gas-liquid mixed fluid passes through the fourth cavity 5-24, the diameter of the cavity is gradually reduced, and the flow speed is increased, and the pressure is reduced; when water flows into the water outlet cavity 5-28 through the second throat cavity 5-27, the diameter of the cavity is gradually enlarged, and the flow speed is reduced and the pressure is increased; negative pressure is formed at the second throat cavity 5-27, air is sucked from the ventilation cavity 5-3, and secondary gas-liquid mixing is carried out to generate micro-nano bubbles.
Example 2
As shown in figure 2, the micro-nano bubble aerator comprises an outer pipe 5-1, an inner cavity 5-2 and an air-through cavity 5-3. The two ends of the outer pipe 5-1 are provided with external threads 5-11. The inner cavity 5-2 is located inside the outer tube 5-1.
The inner cavity 5-2 comprises multi-stage gas-liquid mixing to generate micro-nano bubbles with more quantity and smaller particle size. The inner cavity 5-2 is a water inlet cavity 5-20, a first cavity 5-21, a first throat cavity 5-26, a second cavity 5-22, a third cavity 5-23, a fourth cavity 5-24, a second throat cavity 5-27, one or more cavity sub-units 5-29 and a water outlet cavity 5-28 which are connected in sequence.
In a specific case, the cavity sub-unit 5-29 comprises a fifth cavity 5-25, a third cavity 5-23, a fourth cavity 5-24, a second throat cavity 5-27 and a corresponding ventilation cavity 5-3 which are connected in sequence. The diameter of the inlet of the fifth cavity 5-25 is the same as that of the second throat pipe 5-27, the diameter of the fifth cavity is gradually enlarged, and the diameter of the outlet of the fifth cavity is the same as that of the third cavity 5-23. The other cavity structures and the working principle are the same as those of the embodiment 1.
It should be noted that the above-described embodiments may enable those skilled in the art to more fully understand the present invention, but do not limit the present invention in any way. It will be apparent to those skilled in the art that modifications and improvements can be made to the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (4)
1. A micro-nano bubble aerator is characterized by comprising an outer pipe (5-1), an inner cavity (5-2) and a ventilation cavity (5-3); wherein, the inner cavity (5-2) and the ventilation cavity (5-3) are arranged in the outer tube (5-1);
the inner cavity (5-2) comprises a water inlet cavity (5-20), a first cavity (5-21), a first throat cavity (5-26), a second cavity (5-22), a third cavity (5-23), a fourth cavity (5-24), a second throat cavity (5-27) and a water outlet cavity (5-28) which are connected in sequence; the water inlet cavity (5-20) is an equal-diameter cavity; the first cavity (5-21) is connected with the water inlet cavity (5-20) and the diameter of the first cavity is gradually reduced; the first throat cavity (5-26) is connected with the first cavity body (5-21) and has a constant diameter; the second cavity (5-22) is connected with the first throat cavity (5-26) and gradually expands in diameter; the third cavity (5-23) is connected with the second cavity (5-22) and has a constant diameter; the fourth cavity (5-24) is connected with the third cavity (5-23) and the diameter of the fourth cavity is gradually reduced; the second throat cavity (5-27) is connected with the fourth cavity (5-24) and has a constant diameter; the water outlet cavity (5-28) is connected with the second throat cavity (5-27) and the diameter of the water outlet cavity is gradually enlarged;
an air inlet (5-31) of the ventilation cavity (5-3) penetrates through the outer tube (5-1), and an air outlet of the ventilation cavity (5-3) is respectively communicated with the first throat cavity (5-26) and the second throat cavity (5-27).
2. The micro-nano bubble aerator according to claim 1, wherein the outer pipe (5-1) is provided with external threads at two ends.
3. The micro-nano bubble aerator according to claim 1, wherein one or more cavity sub-units (5-29) are connected between the second throat cavity (5-27) and the water outlet cavity (5-28), and each cavity sub-unit (5-29) comprises a fifth cavity (5-25), a third cavity (5-23), a fourth cavity (5-24), a second throat cavity (5-27) and a corresponding ventilation cavity (5-3) which are connected in sequence; the diameter of the inlet of the fifth cavity (5-25) is the same as that of the second throat cavity (5-27) and gradually expands, and the diameter of the outlet of the fifth cavity is the same as that of the third cavity (5-23).
4. The micro-nano bubble aerator according to claim 1, wherein an air-entrapping device is connected to the positions of air inlets (5-31) of the micro-nano bubble aerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021641399.9U CN212855320U (en) | 2020-08-10 | 2020-08-10 | Micro-nano bubble aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021641399.9U CN212855320U (en) | 2020-08-10 | 2020-08-10 | Micro-nano bubble aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212855320U true CN212855320U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021641399.9U Active CN212855320U (en) | 2020-08-10 | 2020-08-10 | Micro-nano bubble aerator |
Country Status (1)
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|---|---|
| CN (1) | CN212855320U (en) |
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2020
- 2020-08-10 CN CN202021641399.9U patent/CN212855320U/en active Active
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