AU2020432893B2 - Solar aerator - Google Patents
Solar aerator Download PDFInfo
- Publication number
- AU2020432893B2 AU2020432893B2 AU2020432893A AU2020432893A AU2020432893B2 AU 2020432893 B2 AU2020432893 B2 AU 2020432893B2 AU 2020432893 A AU2020432893 A AU 2020432893A AU 2020432893 A AU2020432893 A AU 2020432893A AU 2020432893 B2 AU2020432893 B2 AU 2020432893B2
- Authority
- AU
- Australia
- Prior art keywords
- guide cover
- flow guide
- aerator
- flow
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005276 aerator Methods 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 230000000694 effects Effects 0.000 claims abstract description 20
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 6
- 238000000746 purification Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000005273 aeration Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000006424 Flood reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Luminescent Compositions (AREA)
- Liquid Crystal Substances (AREA)
Abstract
A solar aerator, comprising a buoy (1), a floating body (2), an aerator body (3), and a solar photovoltaic system (4), wherein the aerator body (3) comprises a main machine (31), an impeller (32), a first flow guide cover (33), and a second flow guide cover (35). The impeller (32) is located above the main machine (31) and located in an inner cavity of the first flow guide cover (33); the second flow guide cover (35) is located above the first flow guide cover (33); a gap between the second flow guide cover (35) and the flow guide cover (33) forms a first flow channel; an inner cavity of the second flow guide cover (35) forms a second flow channel; the upper portion of the first flow guide cover (33) and the upper portion of the second flow guide cover (35) are both in an inverted bell mouth shape; and the top end radius of the second flow guide cover (35) is larger than the top end radius of the first flow guide cover (33). The solar aerator can improve the mixing effect of a water body and air, improve the oxygenation effect of the middle lower portion of the water body, and effectively enhance the self-purification of the water body.
Description
Field of the Invention
The invention belongs to the technical field of environmental protection, and
particularly relates to a solar aerator.
Description of the Related Art
In recent years, the water quality of rivers and lakes has been deteriorating
continuously. The bottom water body is deficient in oxygen, which inhibits the
activity of aerobic microorganisms. If the organic matter is not decomposed in time,
it will be deposited on the bottom of the water, turning into black sludge, and
emitting foul odors that affect the environment. Therefore, it is necessary to use
aerators to aerate and increase oxygen in severely anoxic water bodies to enhance
the self-purification of the water body. The existing surface aerators have the
following deficiencies in the oxygenation of water bodies:
1. It is only limited to the aeration in the middle upper portion of the water
body and it cannot fully flow and exchange the active water area. The aeration
effect of the middle lower portion of the water body is poor, and the oxygen
transfer rate is low.
2. Since the flow guide cover at the outlet of the aerator impeller is a hollow
cylinder, on the one hand, the fluid rotates upward in the flow guide cover,
reducing its lift and the injection height; on the other hand, the water flow in the
axial direction (center) of the aerator is small; the above two aspects reduce the mixing effect of the liquid and air ejected by the aerator and reduce the amount of dissolved oxygen in the water body.
Summary of the Invention
In order to solve the above technical problems, the embodiments of the
present invention provide a solar aerator which can improve the mixing effect of a
water body and air, improve the oxygenation effect of the middle lower portion of
the water body and effectively enhance the self-purification of the water body.
To achieve the above objects, the embodiments of the present invention adopt
the following technical solutions:
An embodiment of the present invention provides a solar aerator comprising a
buoy, a floating body, an aerator body, and a solar photovoltaic system; the buoy is
fixedly connected to the floating body; the solar photovoltaic system and the
aerator body are respectively connected to the floating body and the aerator body is
connected to the solar photovoltaic system.
As a preferred example, the aerator body comprises a main machine, an
impeller, a first flow guide cover, and a second flow guide cover; the impeller is
connected to the main machine and located above the main machine; the first flow
guide cover is connected to the main machine and the impeller located in an inner
!0 cavity of the first flow guide cover; the second flow guide cover is located above
the first flow guide cover and connected to the first flow guide cover; a gap
between the second flow guide cover and the flow guide cover forms a first flow channel; an inner cavity of the second flow guide cover forms a second flow channel.
As a preferred example, the upper portion of the first flow guide cover and the
upper portion of the second flow guide cover are both in an inverted bell mouth
shape.
As a preferred example, the top end radius of the second flow guide cover is
larger than the top end radius of the first flow guide cover.
As a preferred example, the difference between the top end radius of the
second flow guide cover and the top end radius of the first flow guide cover is 50
mm to 150 mm.
As a preferred example, an accommodation cavity is provided in the buoy,
and the accommodation cavity is used to hold liquids of different weights to adjust
the outside water surface between the top end of the impeller and the top end of the
second flow guide cover.
As a preferred example, when in use, the top end of the second flow guide
cover is higher than the outside water surface by a distance of 150 mm to 400 mm.
As a preferred example, the impeller, the first flow guide cover and the
second flow guide cover are located on the same axis.
As a preferred example, the solar aerator further comprising guide vanes, the
!0 guide vanes being connected to the inner wall of the second flow guide cover.
As a preferred example, there are 3 to 4 buoys, which are evenly distributed
below or on the side of the floating body.
The embodiments of the present invention provide a solar aerator which can improve the mixing effect of a water body and air and the oxygenation effect of the middle lower portion of the water body, effectively enhancing the self-purification of the water body. Compared with the prior art, in the implementation of the present invention, the solar aerator comprises a buoy, a floating body, an aerator body, and a solar photovoltaic system; the buoy is fixedly connected to the floating body; the solar photovoltaic system and the aerator body are respectively connected to the floating body and the aerator body is connected to the solar photovoltaic system. The solar photovoltaic system supplies power to the aerator body, and the aerator body divides the driven water flow into an inner circle water flow and an outer circle water flow, which mixes with more air, improving the oxygenation effect of the water body.
Brief description of the Drawings
In order to illustrate the technical solutions of the embodiments of the present
invention more clearly, the following briefly introduces the accompanying
drawings that need to be used in the embodiments of the present invention.
Obviously, the drawings described below are only some embodiments of the
present invention. For the ordinary skilled men in the art, other drawings can also
be obtained from these drawings without any creative effort.
Fig.1 is a schematic plan view of an embodiment of the present invention.
Fig.2 is a schematic view of an aerator in an embodiment of the present
invention.
There are: a buoy 1, a floating body 2, an aerator body 3, a main machine 31,
an impeller 32, a first flow guide cover 33, guide vanes 34, a second flow guide
cover 35, a solar photovoltaic system 4, L represents the difference between the top
end radius of the second flow guide cover and the top end radius of the first flow
guide cover, H represents the distance from the top end of the second flow guide
cover 35 to the outside water surface.
Description of the preferred embodiment
In order to enable a person skilled in the art to better understand the technical
solutions of the present invention, the present invention will be further described in
detail below with reference to the accompanying drawings and specific
embodiments. Obviously, the described embodiments are are some, but not all,
embodiments of the present invention. Based on the embodiments of the present
invention, the embodiments obtained by those of skilled men in the art without
making creative efforts in advance shall all belong to the protection scope of the
present invention.
Those skilled in the art will appreciate that all terms (including technical and
scientific terms) used herein have the same meaning as commonly understood by
one of ordinary skill in the art to which this invention belongs unless otherwise
!0 defined. It should also be understood that terms such as those defined in the
general dictionary should be understood to have meanings consistent with their
meanings in the context of the prior art and, unless defined as herein, are not to be
taken in an idealized or overly formal sense.
In an embodiment of the present invention, as shown in FIG. 1, a solar aerator
comprises a buoy 1, a floating body 2, an aerator body 3, and a solar photovoltaic
system 4; the buoy 1 is fixedly connected to the floating body 2; the solar
photovoltaic system 4 and the aerator body 3 are respectively connected to the
floating body 2 and the aerator body 3 is connected to the solar photovoltaic
system 4.
The buoy 1 is installed on the floating body 2; the aerator body 3 is assembled
on the floating body 2; and the floating body 2 is also provided with a solar
photovoltaic system 4 that provides electrical energy for the aerator body 3. When
working, the buoy 1 plays the role of changing the buoyancy of the whole device
and adjusts the diving depth of the solar aerator. The floating body 2 floats on the
water surface. The aerator body 3 and the solar photovoltaic system 4 move with
the floating body 2. Preferably, the number of buoys 1 is 3-4, which are evenly
distributed under the floating body 2 to form an equilateral triangle or a square,
ensuring that the solar aerator can stably float in the water body.
In the embodiment of the present invention, as shown in FIG. 2, the aerator
body 3 comprises a main machine 31, an impeller 32, a first flow guide cover 33,
and a second flow guide cover 35. The impeller 32 is connected to the main
machine 31 and located above the main machine 31; the first flow guide cover 33
!0 is connected to the main machine 31 and located the impeller 32 is located in an
inner cavity of the first flow guide cover 33; the second flow guide cover 35 is
located above the first flow guide cover 33 and connected to the first flow guide
cover 33; a gap between the second flow guide cover 35 and the flow guide cover
33 forms a first flow channel. In this preferred example, the aerator body 3 has two
flow channels, one of which is the first flow channel formed by the gap between
the second flow guide cover 35 and the first flow guide cover 33, and the other is
formed by the inner cavity of the second flow guide cover 35. The water flow
passes through the impeller 32 and flows out of the first flow channel and the
second flow channel and then falls down after contacting with the air. By setting
two flow channels, the contact area between the water flow and the outside air is
increased and the mixing effect of the water body and air is improved.
As a preferred example, the upper portion of the first flow guide cover 33 and
the upper portion of the second flow guide cover 35 are both in an inverted bell
mouth shape. Preferably, the lower part of the first flow guide cover33 is a straight
cylinder; the impeller 32 and the main machine 31 are located in the inner cavity of
the straight cylinder. More preferably, the bottom end of the straight cylinder is
located below the main machine 31. The first flow guide cover 33 of this structure
can ensure that when the solar aerator is working, the impeller 32 drives the liquid
in the lower part to move upward, so that the water outside the first flow guide
cover 33 moves downward so as to circulate repeatedly and enhance the effect of
dissolved oxygen. When the water flows out of the first flow channel and the
second flow channel, the upper part of the first flow guide cover 33 and the upper
!0 part of the second flow guide cover 35 play a guiding role. The upper part of the
first flow guide cover 33 and the second flow guide cover35 are both set in an arc
shape, so as to reduce the resistance of the fluid and the turbulent flow of the water, ensuring the stress balance of the aerator and the water surface movement of the solar aerator.
As a preferred example, the top end radius of the second flow guide cover 35
is larger than the top end radius of the first flow guide cover 33. The flow guide
cover of the structure can improve the oxygenation effect of the water body. The
top end radius of the second flow guide cover 35 is larger than the top end radius
of the first flow guide cover 33, so that when the high-speed water flow in the first
flow channel flows to the outer wall of the top end of the second flow guide cover
35, its flow direction is changed and the water flows downward, then the power of
the water flow to rush into the water surface is increased, extending the moving
path of the mixed liquid and improving the dissolved oxygen effect of the water
body.
As a preferred example, the difference between the top end radius of the
second flow guide cover 35 and the top end radius of the first flow guide cover 33
is L, and the L is 50 to 150 mm.
As a preferred example, an accommodation cavity is provided in the buoy 1,
and the accommodation cavity is used to hold liquids of different weights to adjust
the outside water surface between the top end of the impeller 32 and the top end of
the second flow guide cover 35. In this way, the external water surface floods the
!0 impeller 32, and the water flowing from the impeller 32 flows into the first flow
channel and the second flow channel.
As a preferred example, the outside water surface can submerge the top end of
the first flow guide cover 33, but cannot submerge the top end of the second flow guide cover 35. In this way, there is an air layer between the outside water surface and the top end of the second flow guide cover 35 and the water flow from the first flow channel can be mixed with the air. If the outside water surface floods the top of the second flow guide cover 35, the water flow from the first flow channel is rarely mixed with the air and only flows in the water body. Since the outside water surface is lower than the top of the second flow guide cover 35, the water flow from the second flow guide cover 35 can be mixed with the outside air before falling into the water body.
As a preferred example, when in use, the distance from the top end of the
second flow guide cover 35 to the outside water surface is H, and the H is 150 mm
to 400 mm. The top of the second flow guide cover 35 is higher than the outside
water surface, which ensures the realization of the aeration function of the first
flow channel.
As a preferred example, the impeller 32, the first flow guide cover 33 and the
second flow guide cover 35 are located on the same axis. In this way, the water
flow acts through the main machine 31 and the impeller 32 and is sprayed upwards
from bottom to top at a high speed. When flowing through the first flow channel
and the second flow channel, the basic stability of the equipment can be ensured,
and the floating body can not be greatly moved due to the spray of the water flow.
As a preferred example, the solar aerator further comprises guide vanes 34,
the guide vanes 34 being connected to the inner wall of the second flow guide
cover 35. The guide vanes 34 reduce the rotational movement of the water flow in
the second flow guide cover 35 and increase the injection height of the fluid.
Preferably, the guide vanes 34 extend longitudinally along the inner wall of
the second flow guide cover 35. The number of the guide vanes is 2 to 4.
The working process of the solar aerator of the above-mentioned embodiment
is as follows: put the assembled solar aerator into water, adjust the weight of the
liquid in the buoy 1, and make the liquid level between the top of the impeller 32
and the top of the second guide cover 35. The solar photovoltaic system 4 is
connected, the aerator body 3 is started, and the impeller 32 drives the water flow
to move upward at a high speed. The fluid is dispensed with two flows of water as
it passes through the first and second flow guide covers 33, 35. The outer circle
water flows from a gap (ie, a first flow channel) between the first flow guide cover
33 and the second flow guide cover 35 at a high speed. As the top end radius of the
second flow guide cover 35 is larger than the top end radius of the first flow guide
cover 33 and the height of the top of the second flow guide cover 35 is higher than
the height of the top of the first guide cover 33, the splashed water mixes with the
air around the liquid surface. The arc-shaped section of the second flow guide
cover 35 blocks the high-speed recoil into the water surface, and flows to the
middle and lower parts of the water body, extending the movement path of the
mixed liquid, so that oxygen dissolves into the water, improving the oxygenation
effect of the middle lower portion of the water body. The inner circle water flows
!0 out of the inner cavity (ie the second flow channel) of the second flow guide cover
35; the guide vanes 34 reduce the rotational movement of the water flow, increase
the injection height of the fluid and the flow in the axial direction of the impeller
and mix with more air so as to increase the oxygenation effect of the water body.
The high-speed rotating aerator impeller continuously drives the liquid in the first
flow guide cover 33 to move upward, and at the same time, makes the liquid
outside the first flow guide cover move downward, then the repeated circulating
flow extends the movement path of the mixed liquid and increases the dissolved
oxygen rate of the water body.
The embodiments of the present invention provide a solar aerator which can
improve the mixing effect of a water body and air, improve the oxygenation effect
of the middle lower portion of the water body, and effectively enhance the
self-purification of the water body. In the embodiments of the present invention,
the weight of the liquid contained in the buoy is adjusted to adjust the water entry
depth of the solar aerator; the solar photovoltaic system supplies power to the
aerator body; the aerator body divides the driven water flow into an inner circle
water flow and an outer circle water flow; the inner circle water flow emerges from
the second guide cover, and the outer circle water flow emerges from the gap
between the first guide cover and the second guide cover. By contacting the two
water flows with air, the oxygenation effect of the water body is improved.
The above are only specific embodiments of the present invention, but the
protection scope of the present invention is not limited thereto, and any changes or
substitutions that may be easily conceived of by a person skilled in the art within
!0 the technical scope of the present invention shall fall within the protection scope of
the present invention. Therefore, the protection scope of the present invention shall
be subject to the protection scope of the claims.
Claims (7)
1. A solar aerator, characterized in that, comprising a buoy (1), a floating
body (2), an aerator body (3), and a solar photovoltaic system (4), the buoy (1) is
fixedly connected to the floating body (2), the solar photovoltaic system (4) and
the aerator body (3) are respectively connected to the floating body (2), and the
aerator body (3) is connected to the solar photovoltaic system (4);
the aerator body (3) comprises a main machine (31), an impeller (32), a first
flow guide cover (33), and a second flow guide cover (35); the impeller (32) is
connected to the main machine(31) and located above the main machine (31); the
impeller (32) is connected to the main machine(31) and located in an inner cavity
of the first flow guide cover (33); the second flow guide cover (35) is located
above the first flow guide cover (33) and connected to the first flow guide cover
(33); a gap between the second flow guide cover (35) and the flow guide cover (33)
forms a first flow channel; an inner cavity of the second flow guide cover (35)
forms a second flow channel; the upper portion of the first flow guide cover (33)
and the upper portion of the second flow guide cover (35) are both in an inverted
bell mouth shape;
the top end radius of the second flow guide cover (35) is larger than the top
end radius of the first flow guide cover (33); When in use, the water flows out of
the first flow channel at a high speed and the splashed water mixes with the air
around the liquid surface; the arc-shaped section of the second flow guide cover
(35) blocks the high-speed recoil into the water surface and flows to the middle
and lower parts of the water body, extending the movement path of the mixed liquid, so that oxygen dissolves into the water, improving the oxygenation effect of the middle lower portion of the water body.
2. The solar aerator according to claim 1, characterized in that, the difference
between the top end radius of the second flow guide cover (35) and the top end
radius of the first flow guide cover (33) is 50 mm to 150 mm.
3. The solar aerator according to claim 1, characterized in that, an
accommodation cavity is provided in the buoy (1) and the accommodation cavity is
used to hold liquids of different weights to adjust the outside water surface
between the top end of the impeller (32)and the top end of the second flow guide
cover (35).
4. The solar aerator according to claim 3, characterized in that, when in use,
the top end of the second flow guide cover (35) is higher than the outside water
surface by a distance of 150 mm to 400 mm.
5. The solar aerator according to claim 1, characterized in that, the impeller
(32), the first flow guide cover (33) and the second flow guide cover (35) are
located on the same axis.
6. The solar aerator according to claim 1, characterized in that, further
comprising guide vanes (34), the guide vanes (34) being connected to the inner
wall of the second flow guide cover (35).
7. The solar aerator according to any one of claims 1 to 6, characterized in
that, there are 3 to 4 buoys (1), which are evenly distributed below or on the side of
the floating body (2).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010149222.5A CN111252915B (en) | 2020-03-06 | 2020-03-06 | Solar energy aeration machine |
| CN202010149222.5 | 2020-03-06 | ||
| PCT/CN2020/131407 WO2021174916A1 (en) | 2020-03-06 | 2020-11-25 | Solar aerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2020432893A1 AU2020432893A1 (en) | 2022-10-27 |
| AU2020432893B2 true AU2020432893B2 (en) | 2023-08-10 |
Family
ID=70941856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2020432893A Active AU2020432893B2 (en) | 2020-03-06 | 2020-11-25 | Solar aerator |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN111252915B (en) |
| AU (1) | AU2020432893B2 (en) |
| WO (1) | WO2021174916A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252915B (en) * | 2020-03-06 | 2020-12-18 | 蓝深集团股份有限公司 | Solar energy aeration machine |
| CN113754087B (en) * | 2021-09-07 | 2022-04-01 | 江苏开放大学（江苏城市职业学院） | Aeration device |
| CN114105284B (en) * | 2021-10-28 | 2022-05-20 | 江苏开放大学（江苏城市职业学院） | Solar energy aeration machine |
| CN114246156B (en) * | 2021-12-31 | 2023-08-08 | 中山市强晟水产科技有限公司 | Aerator for fish pond culture |
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| CN209494725U (en) * | 2018-12-12 | 2019-10-15 | 厦门市百龙喷泉科技开发有限公司 | A kind of fountain efficiency air deflector |
-
2020
- 2020-03-06 CN CN202010149222.5A patent/CN111252915B/en active Active
- 2020-11-25 WO PCT/CN2020/131407 patent/WO2021174916A1/en active Application Filing
- 2020-11-25 AU AU2020432893A patent/AU2020432893B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380010A (en) * | 2015-08-08 | 2017-02-08 | 江苏半岛环境工程有限公司 | Oxygenation apparatus for waterscape |
| CN111252915A (en) * | 2020-03-06 | 2020-06-09 | 蓝深集团股份有限公司 | Solar energy aeration machine |
| CN211896297U (en) * | 2020-03-06 | 2020-11-10 | 蓝深集团股份有限公司 | Solar energy aeration machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021174916A1 (en) | 2021-09-10 |
| CN111252915A (en) | 2020-06-09 |
| CN111252915B (en) | 2020-12-18 |
| AU2020432893A1 (en) | 2022-10-27 |
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