CN110754415A - Star-shaped edge-angle type transportation nano aerator - Google Patents
Star-shaped edge-angle type transportation nano aerator Download PDFInfo
- Publication number
- CN110754415A CN110754415A CN201910490521.2A CN201910490521A CN110754415A CN 110754415 A CN110754415 A CN 110754415A CN 201910490521 A CN201910490521 A CN 201910490521A CN 110754415 A CN110754415 A CN 110754415A
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- Prior art keywords
- pipe
- water
- water inlet
- star
- rear plug
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- 238000005276 aerator Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 20
- 230000003116 impacting effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 7
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007670 refining Methods 0.000 abstract description 3
- 239000002101 nanobubble Substances 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000003981 vehicle Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 240000004282 Grewia occidentalis Species 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004103 aerobic respiration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/02—Receptacles specially adapted for transporting live fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to the field of aquatic product transportation, in particular to a star-shaped edge-angle type transportation nanometer aerator, which comprises: the device comprises a shell, a water pump, a water inlet part, a water inlet pipe, an air inlet pipe, a collision part and a release pipe; the collision body is a spatial triangular structure formed by connecting three rectangular pyramid bottom surfaces, and a plurality of corners are arranged in a staggered manner; the invention adopts a dispersed air method to stably obtain micro-nano bubble mixed liquid, the volume is obviously reduced, the impact body can rotate automatically due to the impact of water flow, the effect of refining bubbles in water is better, the power control can be controlled within fifty watts, a vehicle-mounted storage battery power supply can be directly adopted, the use is more convenient, and the water quality in the aquatic product tank is purified.
Description
Technical Field
The invention relates to the field of aquatic product transportation, in particular to a star-shaped edge-angle type transportation nano aerator.
Background
When the aquatic products are transported, the volume of the compartment of the vehicle is often limited, a high-density assembly mode is adopted more, relatively small space is adopted, more aquatic products are placed, and the conventional oxygenation pump has the defects that the bubbles are large, the retention time in water is short, the release time is short, the oxygen soluble in water is limited, and a large amount of aquatic products are anoxic and dead in crowded environment;
the micro bubbles smaller than 50 microns can stay in water for a long time, the diameters of the micro bubbles are small, so that the contact area of gas and liquid can be increased, the oxygen content of the gas in the liquid is improved, the aquatic product is very favorable for aerobic respiration for a long time, the dissolved oxygen amount in water (seawater) of an aquatic product or a fresh fish transport vehicle can be increased, and the oxygen supply amount is required when the transportation of the aquatic product is ensured.
Disclosure of Invention
Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a star-shaped corner type transportation nano aerator, which can achieve the above objects by the following technical solutions:
the utility model provides a star edges and corners formula transportation nanometer oxygen-increasing machine, includes shell, water pump, portion of intaking, inlet tube, intake pipe, conflict collision portion, release pipe:
the shell is a built-in hollow rectangular body and is used for accommodating parts of the device, and the outer wall of the shell is clamped on the cornice of the aquatic product box through a U-shaped buckle;
the water inlet part is internally provided with a Venturi structure with two large ends and a diameter reducing part in the middle, one end of the water inlet part is connected with the water inlet end of the water pump, the other end of the water inlet part is connected with the horizontal end of the L-shaped water inlet pipe, the water inlet pipe vertically extends into the water of the aquatic tank, and the tail end of the water inlet pipe in the water is provided with a plurality of water inlet holes penetrating through the wall of the water inlet pipe;
the air inlet pipe is L-shaped, penetrates into the reducing part of the water inlet part above the water inlet part, and the horizontal part of the air inlet pipe is arranged at the axis of the water inlet part and is opened towards the water pump;
conflict collision portion sets up with the bottom plate of shell is perpendicular to run through the shell, its upper end is connected the play water end of water pump, includes: a front pipe, a middle pipe, a rear plug, a collision body and a ball;
the front pipe is a cylindrical body internally provided with a plurality of conical holes, the conical holes are arranged in a circular array on the upper end surface of the front pipe, the large ends of the conical holes are communicated with the water pump, and the small ends of the conical holes penetrate through the bottom surface of the front pipe;
the middle pipe is a tubular body, the diameter of the middle pipe is the same as that of the front pipe, the upper end of the middle pipe is fixedly connected with the bottom of the front pipe, and an inner screw thread is arranged in an inner hole at the lower end of the middle pipe;
the rear plug is a cylinder, an outer screw thread is arranged on the outer side of the rear plug and meshed with the inner screw thread, and a plurality of water outlet holes are formed in the upper wall and the lower wall of the rear plug;
the collision body is a spatial triangular structure formed by connecting three rectangular pyramid bottom surfaces, a plurality of collision bodies are arranged in an angle dislocation way, a plurality of connecting edge grooves are arranged on the surface of one side of the upper part of each prism of the collision body, semicircular spherical star bead holes are arranged at the upper and lower vertexes of the collision body, spherical balls are placed in the star bead holes, the collision bodies clamp the balls and are arranged in an up-and-down overlapping way, a hemispherical front bead hole with the same structure as the star bead hole is arranged on the lower wall surface of the front pipe at the corresponding position of the first collision body, a hemispherical rear bead hole with the same structure as the star bead hole is arranged on the upper wall surface of the rear plug at the corresponding position of the lower wall surface of the lowest collision body, after the outer screw thread is meshed with the inner screw thread, the rear bead hole of the rear plug is abutted against the balls to clamp the collision bodies and the balls between the front pipe and the rear plug, a plurality of grooves for connecting edges are arranged on the surface of one, after the formation of the tapered hole flowing through the front pipe is accelerated, when the edge of the impact body is impacted, the forces applied to two adjacent surfaces of the edge of the impact body are not the same all the time, but the impact body rotates, so that a better impact effect is obtained;
the upper end of the release pipe is communicated with the rear plug, and the lower end of the release pipe is in an outward expansion shape.
Preferably, the collision body is arranged in a spatial polygonal structure formed by connecting a plurality of rectangular pyramid bottom surfaces, such as a four-corner structure, a five-corner structure and a hexagonal structure, so that application modes are increased.
Preferably, the water outlet hole is a conical hole, and the water flow forms a jet, so that the bubble mixed liquid flows to a farther bottom area of the aquatic tank.
Preferably, the air inlet pipe is arranged as a hose, and is arranged at the reducing end of the front pipe under the suction of the water pump, and is inclined and deformed towards the water pump under the water flow, so that the installation of the air inlet pipe is simplified.
Preferably, as an implementation mode, the water pump is set to be a 12V or 24V straight-flow pump so as to conveniently take electricity from a storage battery in the transportation aquatic product vehicle.
Preferably, the water pump is set as a submersible pump and is placed at the bottom in the aquatic tank for use.
Preferably, the ratio of the area of the large-end section to the small-end section of the tapered hole of the front pipe is greater than 2, so that the compression ratio is increased, and fine bubbles are favorably dissolved in water.
Preferably, the ball connection mode adopts a middle shaft and a bearing to replace the ball connection mode, and the middle shaft is connected with the front tube, the impact body and the rear plug through the bearing, so that the friction force is smaller when the impact body rotates.
The invention has the following beneficial effects:
1. the micro-nano bubble mixed solution is stably obtained by adopting a dispersed air method, and the volume is obviously reduced;
2. the invention has better effect of refining bubbles in water by water flow impact self-rotation.
3. The power control of the invention can be controlled within fifty watts, and the vehicle-mounted storage battery power supply can be directly adopted, thus the invention is more convenient to use.
4. The water purifying device has the function of purifying the water quality in the aquatic tank.
Drawings
FIG. 1 is an overall schematic view of the present invention.
FIG. 2 is a partial cross-sectional view of the air intake system of the present invention.
FIG. 3 is a schematic diagram comparing collision portions according to the present invention.
FIG. 4 is a schematic view of the connection method of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
As shown in fig. 1, a star-shaped corner type transportation nano aerator comprises: the device comprises a shell 1, a water pump 2, a water inlet part 3, a water inlet pipe 4, an air inlet pipe 5, a collision part 6 and a release pipe 7;
the shell 1 is a built-in hollow rectangular body and is used for accommodating parts of the device, and the outer wall of the shell is clamped at the cornice of the aquatic product box 100 through a U-shaped buckle;
as shown in fig. 2, the inside of the water inlet part 3 is a venturi structure with two large ends and a diameter-reduced part in the middle, one end of the water inlet part 3 is connected with the water inlet end of the water pump 2, the other end of the water inlet part is connected with the horizontal end of the L-shaped water inlet pipe 4, the water inlet pipe 4 vertically extends into the water in the aquatic tank 100, and the tail end of the water inlet pipe 4 in the water is provided with a plurality of water inlet holes 41 penetrating through the wall of the;
the air inlet pipe 5 is L-shaped, penetrates into the diameter-reduced part of the water inlet part 3 above the water inlet part 3, and the horizontal part of the air inlet pipe 5 is arranged at the axis of the water inlet part 3 and is opened towards the water pump 2;
the method is characterized in that:
as shown in fig. 3, the collision part 6 is perpendicular to the bottom plate of the housing 1, and penetrates through the housing 1, and the upper end thereof is connected to the water outlet end of the water pump 2, and includes: a front tube 61, a middle tube 62, a rear plug 63, an impact body 64, and balls 65;
the front pipe 61 is a cylindrical body with a plurality of conical holes 611 arranged inside, the conical holes 611 are arranged in a circular array on the upper end face of the front pipe 61, the large end of each conical hole 611 is communicated with the water pump 2, and the small end of each conical hole 611 penetrates through the bottom face of the front pipe 61;
the middle pipe 62 is a tubular body, the diameter of the middle pipe is the same as that of the front pipe 61, the upper end of the middle pipe is fixedly connected with the bottom of the front pipe 61, and an inner screw 621 is arranged in an inner hole at the lower end of the middle pipe 62;
the rear plug 63 is a cylinder, the outer side of the rear plug 63 is provided with an outer screw thread 631 which is meshed with the inner screw thread 621, and the upper wall surface and the lower wall surface of the rear plug 63 are provided with a plurality of water outlet holes 633;
the said impact body 64 is a space triangle structure composed of three rectangular pyramid bottoms, and there are several angle dislocation, there are several connecting edge grooves 642 on the upper side surface of each prism of the impact body 64, there are semi-circular spherical star bead holes 641 on the upper and lower vertexes of the impact body 64, the spherical ball 65 is placed in the star bead hole 641, several impact bodies 64 are arranged with the ball 65 overlapped up and down, there are semi-spherical front bead holes 612 with the same structure as the star bead holes 641 on the lower wall surface of the front tube 61 at the corresponding position of the first impact body 64, there are semi-spherical rear bead holes 632 with the same structure as the star bead holes 641 on the upper wall surface of the rear plug 63 at the corresponding position of the lower wall surface of the lowest impact body 64, after the outer screw thread 631 is engaged with the inner screw thread 621, the rear bead holes 632 of the rear plug 63 are abutted against the ball 65 to clamp several impact bodies 64 and ball 65 between the front tube 61 and rear plug 63, there are several grooves with connecting edges on the upper side surface of each prism 64, after the formation of the tapered hole 611 flowing through the front tube 61 is accelerated, when the edge of the impact body 64 is impacted, the forces applied to two adjacent surfaces of the edge of the impact body 64 are not the same all the time, but the impact body 64 rotates, so that a better impact effect is obtained, and a space angle structure formed by connecting the bottom surfaces of the rectangular pyramids ensures that the edge cuts and impacts the water flow no matter the impact body 64 rotates and is impacted by the water flow;
the upper end of the release pipe 7 is communicated with the rear plug 63, and the lower end is in an outward expansion shape.
Preferably, as an implementation mode, the impacting body 64 is configured as a spatial polygonal structure formed by connecting a plurality of rectangular pyramid bottom surfaces, such as a four-corner, five-corner, hexagonal structure, increasing the application mode.
Preferably, as an implementation mode, the water outlet hole 633 is provided as a conical hole, and the water flow forms a jet, so that the bubble mixed liquid flows to a more distant bottom area of the aquaculture tank 100.
Preferably, as an embodiment, the air inlet pipe 5 is provided as a hose, and the air inlet pipe 5 is provided at a reduced diameter end of the head pipe 61 under suction of the water pump 2, and is inclined and deformed toward the water pump 2 under water flow, thereby simplifying installation of the air inlet pipe 5.
Preferably, as an implementation mode, the water pump 2 is set to be a 12V or 24V straight-flow pump so as to conveniently take electricity from a storage battery in the transportation aquatic product vehicle.
Preferably, as an implementation mode, the water pump 2 is provided as a submersible pump and is placed at the bottom in the aquaculture tank for use.
Preferably, as an implementation mode, the ratio of the area of the large end section to the small end section of the tapered hole 611 of the front pipe 61 is greater than 2, so that the compression ratio is increased, and fine bubbles are favorably dissolved in water.
As shown in fig. 4, it is preferable that the ball 65 is connected by a middle shaft 201 and a bearing 202 instead, and the middle shaft 201 is connected with the front tube 61, the impact body 64 and the rear plug 63 by the bearing 202, so that the friction force is smaller when the impact body 64 rotates.
The working principle of the invention is as follows:
as shown in fig. 1, 2 and 3, when the water pump 2 is turned on, water in the water production tank 100 is sucked into the water inlet portion 3, the two ends of the inside of the water inlet portion 3 are large, and the venturi structure of the middle diameter-reduced portion generates high-speed water flow at the diameter-reduced portion of the water inlet portion 3, the horizontal end of the air inlet pipe 5 generates negative pressure under the high-speed water flow, and external air is sucked into the water inlet portion 3 to form water-air mixed liquid;
under the pressurization of the water pump 2, water flow forms acceleration under the inner hole taper of the front pipe 61, and sprays and impacts adjacent surfaces of the corners of the impact body 64, under the action of the edge groove 642, the forces applied to the two adjacent surfaces of the edge of the impact body 64 are not the same all the time, so that the impact body 64 rotates, and the bottom surfaces of the rectangular pyramids are connected to form a space angle structure, so that the edge cuts and impacts the water flow no matter the impact body 64 rotates or is impacted by the water flow, the water-gas mixed liquid is cut, impacted, thrown out and mixed by the impact body 64, nano-scale bubble refining is formed, the gas-liquid mixing effect is better, and the limited oxygen content of water in the aquatic product box is increased during aquatic product transportation.
Claims (7)
1. A star-shaped corner-type transportation nano aerator, comprising: the device comprises a shell (1), a water pump (2), a water inlet part (3), a water inlet pipe (4), an air inlet pipe (5), a collision part (6) and a release pipe (7);
the shell (1) is a built-in hollow rectangular body, and the outer wall of the shell is clamped on the cornice of the aquatic product box (100) through a U-shaped buckle;
the water inlet part (3) is internally provided with a Venturi structure with two large ends and a diameter-reducing part in the middle, one end of the water inlet part (3) is connected with the water inlet end of the water pump (2), the other end of the water inlet part is connected with the horizontal end of the L-shaped water inlet pipe (4), the water inlet pipe (4) vertically extends into the water of the aquatic tank (100), and the tail end of the water inlet pipe (4) in the water is provided with a plurality of water inlet holes (41) penetrating through the wall of the water inlet pipe;
the air inlet pipe (5) is L-shaped, penetrates into the diameter-reduced part of the water inlet part (3) above the water inlet part (3), and the horizontal part of the air inlet pipe (5) is arranged at the axis of the water inlet part (3) and is opened towards the water pump (2);
the method is characterized in that:
conflict collision portion (6) and the perpendicular setting of bottom plate of shell (1) to run through shell (1), the play water end of water pump (2) is connected to its upper end, includes: a front tube (61), a middle tube (62), a rear plug (63), an impact body (64), and balls (65);
the front pipe (61) is a cylindrical body internally provided with a plurality of conical holes (611), the conical holes (611) are arranged in a circular array on the upper end surface of the front pipe (61), the large end of each conical hole (611) is communicated with the water pump (2), and the small end of each conical hole (611) penetrates through the bottom surface of the front pipe (61);
the middle pipe (62) is a tubular body, the diameter of the middle pipe is the same as that of the front pipe (61), the upper end of the middle pipe is fixedly connected with the bottom of the front pipe (61), and an inner screw thread (621) is arranged in an inner hole at the lower end of the middle pipe (62);
the rear plug (63) is a cylinder, an outer screw thread (631) is arranged on the outer side of the rear plug and meshed with the inner screw thread (621), and a plurality of water outlet holes (633) are formed in the upper wall surface and the lower wall surface of the rear plug (63);
the punching and impacting body (64) is a spatial triangular structure formed by connecting three rectangular pyramid bottom surfaces, a plurality of punching and impacting bodies are arranged in a staggered manner, a plurality of connecting edge grooves (642) are arranged on the surface of one side of the upper part of each prism of the punching and impacting body (64), semicircular spherical star bead holes (641) are arranged at the upper and lower vertexes of the punching and impacting body (64), spherical balls (65) are placed in the star bead holes (641), the plurality of punching and impacting bodies (64) clamp the balls (65) and are arranged in an up-and-down overlapping manner, hemispherical front bead holes (612) with the same structure as the star bead holes (641) are arranged on the lower wall surface of the front pipe (61) at the corresponding position of the first punching and impacting body (64), hemispherical rear bead holes (632) with the same structure as the star bead holes (641) are arranged on the upper wall surface of the rear plug (63) at the corresponding position of the lower wall of the lowest punching and after the outer screw thread (631) is meshed with the inner thread button (, a rear ball hole (632) of the rear plug (63) is abutted against the ball (65) to clamp a plurality of impact bodies (64) and the ball (65) between the front tube (61) and the rear plug (63), and a plurality of grooves for connecting edges are arranged on the surface of one side of the upper part of each prism of the impact bodies (64);
the upper end of the release pipe (7) is communicated with the rear plug (63), and the lower end of the release pipe is in an outward expansion shape.
2. The star-shaped corner-type transportation nanometer aerator as claimed in claim 1, wherein: the impact body (64) is arranged into a space polygonal structure formed by connecting a plurality of rectangular pyramid bottom surfaces.
3. The star-shaped corner-type transportation nanometer aerator as claimed in claim 1, wherein: the water outlet hole (633) is arranged to be a conical hole.
4. The star-shaped corner-type transportation nanometer aerator as claimed in claim 1, wherein: the air inlet pipe (5) is a hose.
5. The star-shaped corner-type transportation nanometer aerator as claimed in claim 1, wherein: the water pump (2) is set as a submersible pump.
6. The star-shaped corner-type transportation nanometer aerator as claimed in claim 1, wherein: the ratio of the area of the section of the large end of the tapered hole (611) of the front pipe (61) to the section of the small end is more than 2.
7. The star-shaped corner-type transportation nanometer aerator as claimed in claim 1, wherein: the ball (65) is connected by a middle shaft (201) and a bearing (202), and the middle shaft (201) is connected with the front pipe (61), the impact body (64) and the rear plug (63) through the bearing (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490521.2A CN110754415A (en) | 2019-06-06 | 2019-06-06 | Star-shaped edge-angle type transportation nano aerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490521.2A CN110754415A (en) | 2019-06-06 | 2019-06-06 | Star-shaped edge-angle type transportation nano aerator |
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| CN110754415A true CN110754415A (en) | 2020-02-07 |
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| CN201910490521.2A Pending CN110754415A (en) | 2019-06-06 | 2019-06-06 | Star-shaped edge-angle type transportation nano aerator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219835A (en) * | 2008-01-29 | 2008-07-16 | 朱元曾 | Method for purifying ultra-vast water and purifying device |
| KR101829732B1 (en) * | 2017-04-04 | 2018-02-20 | 신창기 | Nano micro bubble generator |
| CN207022950U (en) * | 2017-07-20 | 2018-02-23 | 长江大学 | Water oxygenation, sterilizing unit |
| CN109220971A (en) * | 2018-09-30 | 2019-01-18 | 祝煜 | Oxygen increasing equipment used for aquiculture |
| CN210054325U (en) * | 2019-06-06 | 2020-02-14 | 南京擅水科技有限公司 | Star-shaped edge-angle type transportation nano aerator |
-
2019
- 2019-06-06 CN CN201910490521.2A patent/CN110754415A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219835A (en) * | 2008-01-29 | 2008-07-16 | 朱元曾 | Method for purifying ultra-vast water and purifying device |
| KR101829732B1 (en) * | 2017-04-04 | 2018-02-20 | 신창기 | Nano micro bubble generator |
| CN207022950U (en) * | 2017-07-20 | 2018-02-23 | 长江大学 | Water oxygenation, sterilizing unit |
| CN109220971A (en) * | 2018-09-30 | 2019-01-18 | 祝煜 | Oxygen increasing equipment used for aquiculture |
| CN210054325U (en) * | 2019-06-06 | 2020-02-14 | 南京擅水科技有限公司 | Star-shaped edge-angle type transportation nano aerator |
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