CN109042477A - A kind of aquaculture pond oxygen-increasing device - Google Patents
A kind of aquaculture pond oxygen-increasing device Download PDFInfo
- Publication number
- CN109042477A CN109042477A CN201811067725.7A CN201811067725A CN109042477A CN 109042477 A CN109042477 A CN 109042477A CN 201811067725 A CN201811067725 A CN 201811067725A CN 109042477 A CN109042477 A CN 109042477A
- Authority
- CN
- China
- Prior art keywords
- aquaculture pond
- shell
- flap
- increasing device
- oxygen
- 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.)
- Withdrawn
Links
- 238000009360 aquaculture Methods 0.000 title claims abstract description 26
- 244000144974 aquaculture Species 0.000 title claims abstract description 26
- 238000005273 aeration Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 28
- 238000009434 installation Methods 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 241000251468 Actinopterygii Species 0.000 description 17
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of aquaculture pond oxygen-increasing devices, including shell, motor is installed on outer wall in front of the shell, crank is installed in the shaft at the motor rear, dovetails under mounting plate can be pushed into the dovetail groove in support plate and are fitted by the aquaculture pond oxygen-increasing device, limitation moves up and down, then the elastic force that side is shunk using tension spring on a mounting board, vertical plate is inserted into the slot in support plate and is fitted into, limit the movement of left and right, it is limited by combination, substantially increase the stability of oxygen-increasing device, installation and removal simultaneously are also very convenient；And internal slide block moves reciprocatingly under crank connecting link, sliding shoe drives screw set to realize positive and negative rotation campaign, and the flap on agitator disk is driven to rotate, and the tracheae of aeration pump is passed through in screw set, the water that air is blended under flap is stirred, increase this part oxygenated water mobility, greatly improves the uniformity of amount of oxygen in aquaculture pond.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to a kind of aquaculture pond oxygen-increasing device.
Background technique
Aquaculture is the production activity of the lower breeding of artificial control, cultivation and harvest aquatic animals and plants.It is commonly included in people
The overall process of aquatic products is formed under work feeding management from seed.It broadly may also comprise Enhancement of fishery resources, the dress of aquaculture
The quality purifying device for water and sterilizing unit generally comprised under aquatic products place, charging device, aerator and special occasions is set,
But for a kind of aquaculture pond oxygen-increasing device, still there is a little shortcoming in use process at present.
Current aquaculture pond oxygen-increasing device shape and various structures are mounted on aquaculture pond by bolt mostly
Support plate on, although installation fastening, device to hole and pre-tighten very cumbersome, while bolt is stained with water and is also easy upper rust, no
It is easy to disassemble；General oxygen-increasing device passes through aeration pump mostly and is passed through air realization into water, but efficiency is relatively low, and cannot
Oxygen containing water flow is diffused well, is rotated also by blade, droplet is mixed with air and is imported into pond, into
Row aeration, but the fluctuation generated in water is larger, influences the activity of fish in water；And generally when feeding intake, need individually
Mounting device substantially increases operation cost, etc. problem and need our solutions.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of aquaculture pond oxygen-increasing device
Current aquaculture pond oxygen-increasing device shape and various structures, the support plate being mounted on mostly by bolt on aquaculture pond
On, although installation fastening, device to hole and preload are very cumbersome, while bolt is stained with water and is also easy upper rust, it has not been convenient to dismantle；
General oxygen-increasing device passes through aeration pump mostly and is passed through air realization into water, but efficiency is relatively low, and cannot well by
Oxygen containing water flow is diffused, and is rotated also by blade, and droplet is mixed with air and is imported into pond, to be aerated,
But the fluctuation generated in water is larger, influences the activity of fish in water；And generally when feeding intake, separately installed dress is needed
The problem of setting, substantially increasing operation cost.
To achieve the above object, the invention provides the following technical scheme: a kind of aquaculture pond oxygen-increasing device, including shell
Body is equipped with motor on the outer wall in front of the shell, crank, the right side of the crank is equipped in the shaft at the motor rear
End is rotatably connected to connecting rod, sliding shoe is provided with below the connecting rod, and connecting rod is rotatablely connected by rotation axis and sliding shoe,
The sliding shoe is internally provided with screw set, and sliding shoe is slidably connected by ball and screw set, the screw set it is upper
It is connect by bearing with housing into rotation in lower two side walls, agitator disk, the agitator disk is welded with below the screw set
Side wall on be welded with flap, and the inside of agitator disk offers out flow channel, is equipped with aeration pump on the back side of the shell,
The aeration pump is connect by pipeline with flow channel out, and control box is equipped on the left side wall of the shell, the control box
Inside is respectively arranged with controller and timer, and is provided with display screen and control switch on the left side of control box, described
Motor, aeration pump, controller, timer and display screen are electrically connected with control switch, and the control switch is inserted by power supply
Seat is electrically connected with extraneous power supply, and the center position of the housing sidewall is welded with mounting plate, the mounting plate lower surface
Left and right ends are welded with dovetails, and support plate is provided with below mounting plate, and the upper surface of the support plate offers swallow
Stern notch, the dovetails and dovetail groove are fitting to connection.
Preferably, the lower surface of the shell is welded with attachment strap, and the left and right ends of the sliding shoe lower surface pass through bullet
The connection of the upper surface of spring and attachment strap.
Preferably, the flap is provided with 12, and 12 flaps are equidistantly arranged on the side wall of agitator disk, institute
The section for stating flap is X-type structure.
Preferably, the front in the mounting plate upper surface is equipped with feed cartridge, is equipped with out below the feed cartridge
Expects pipe, electric butterfly valve is equipped on the side wall of the discharge nozzle, and the electric butterfly valve and control switch are electrically connected.
Preferably, the center position of the mounting plate upper surface is provided with tension spring, is equipped with above the tension spring slotting
Plate, the rear and front end of the support plate upper surface offer slot, and the plate and slot are fitting to connection.
Compared with prior art, the beneficial effects of the present invention are: the aquaculture pond oxygen-increasing device is compact-sized, function is more
Sample, and be easily installed and dismantle, the dovetails level under mounting plate can be pushed into the dovetail groove in support plate and be fitted into, limited
It moves up and down, the elastic force that then side is shunk using tension spring on a mounting board, the slot vertical plate being inserted into support plate
In be fitted into, limit the movement of left and right, be fitted and fixed with by combination, substantially increase the stability of oxygen-increasing device, and pacify installation and dismantling
It is also very convenient to unload；Sliding shoe inside the device pumps under the action of crank connecting link, and sliding shoe drives
Screw set realizes positive and negative rotation campaign, and the flap on agitator disk is driven to rotate, and the tracheae of aeration pump connection is passed through in screw set,
The water that air is blended under the action of flap is stirred, and is increased this part oxygenated water mobility, is greatly improved oxygen in aquaculture pond
The uniformity of tolerance；And flap section is X-type structure, is welded for two arc battens, can not only increase displacement, and
Also drainage direction can be made along horizontal plane direction, while avoids the fluctuation of generation in water larger, caused hiding for fish, subtract
The scope of activities of few fish；And it is provided with feed cartridge at the mounting plate above flap, it can be by the electric butterfly valve under feed cartridge
It opens, so that fish food falls and fish food floats under the turn of flap, not only has the function of feeding intake, and be also greatly reduced
Operation cost.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is main view of the invention；
Fig. 3 is dorsal view of the invention；
Fig. 4 is mounting plate schematic view of the front view of the invention；
Fig. 5 is mounting plate side structure schematic view of the invention；
Fig. 6 is flap top view of the invention.
In figure: 1- shell, 2- control box, 3- display screen, 4- control switch, 5- timer, 6- controller, 7- screw set,
8- sliding shoe, 9- crank, 10- connecting rod, 11- attachment strap, 12- spring, 13- agitator disk, 14- go out flow channel, 15- flap, 16- installation
Plate, 17- dovetails, 18- plate, 19- tension spring, 20- support plate, 21- motor, 22- feed cartridge, 23- electric butterfly valve, 24- discharging
Pipe, 25- aeration pump, 26- dovetail groove, 27- plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of aquaculture pond oxygen-increasing device, including shell 1,
Motor 21 is installed on the outer wall in 1 front of shell, crank 9 is installed in the shaft at 21 rear of motor, the right end of crank 9, which rotates, to be connected
It is connected to connecting rod 10, the lower section of connecting rod 10 is provided with sliding shoe 8, and connecting rod 10 is rotatablely connected by rotation axis and sliding shoe 8, sliding
Block 8 is internally provided with screw set 7, and sliding shoe 8 is slidably connected by ball with screw set 7, two sides up and down of screw set 7
It is rotatablely connected by bearing and shell 1 on wall, the lower section of screw set 7 is welded with agitator disk 13, welds on the side wall of agitator disk 13
It is connected to flap 15, and the inside of agitator disk 13 offers out flow channel 14, aeration pump 25 is installed on the back side of shell 1, is aerated
Pump 25 is connect by pipeline with flow channel 14 out, and control box 2 is equipped on the left side wall of shell 1, and the inside of control box 2 is set respectively
It is equipped with controller 6 and timer 5, and is provided with display screen 3 and control switch 4 on the left side of control box 2, motor 21 exposes
Air pump 25, controller 6, timer 5 and display screen 3 with control switch 4 be electrically connected, control switch 4 by power outlet with
Extraneous power supply is electrically connected, and the center position of 1 side wall of shell is welded with mounting plate 16, the left and right ends of 16 lower surface of mounting plate
Dovetails 17 are welded with, and the lower section of mounting plate 16 is provided with support plate 20, the upper surface of support plate 20 offers dovetail groove
26, dovetails 17 and dovetail groove 26 are fitting to connection.
In the present embodiment, it is preferred that the lower surface of shell 1 is welded with attachment strap 11, and the left and right ends of 8 lower surface of sliding shoe are equal
It is connect by spring 12 with the upper surface of attachment strap 11, is moved up and down under the action of sliding shoe 8 above crank 9 and connecting rod 10
When, the spring 12 of 8 lower section of sliding shoe can be followed by movement, sliding shoe 8 can be made to move up and down more steady, avoid sliding
Block 8 is uneven during exercise, causes the friction between screw rod bushing 7 excessive, greatly reduces the service life of screw set 7.
In the present embodiment, it is preferred that flap 15 is provided with 12, and 12 flaps 15 are equidistantly arranged in agitator disk
On 13 side wall, the section of flap 15 is X-type structure, and when screw set 7 is in positive and negative rotation, flap 15 can also realize positive and negative rotation
It is dynamic, the oxygenated water being discharged in flow channel 14 out can be stirred from agitator disk 13 under the rotation of flap 15, and increase this portion
Divide oxygenated water mobility, greatly improves the uniformity of amount of oxygen in aquaculture pond；And 15 section of flap is X-type structure, is two arcs
The batten of shape is welded, and when flap 15 rotates, water can be along the recess of cambered surface in flap 15 and towards the tail portion of flap 15
Discharge prevents water from flowing out from upper and lower ends, substantially increases oxygenated water since 15 upper and lower ends of flap are lofty curved edge
Displacement, while can also make drainage direction along the in-plane of dampening, avoid the fluctuation of the generation in water larger, cause fish
Class is hidden, and the scope of activities of fish is reduced.
In the present embodiment, it is preferred that the front in 16 upper surface of mounting plate is equipped with feed cartridge 22, the lower section of feed cartridge 22
Discharge nozzle 24 is installed, electric butterfly valve 23 is installed on the side wall of discharge nozzle 24, electric butterfly valve 23 electrically connects with control switch 4
It connects, when feeding intake, fish material can be filled in feed cartridge 22, and under the time of your 5 settings of timer, open electric butterfly valve
23, and internal fish material free-falling is closed after a certain period of time, the fish material of whereabouts can be fallen in flap 15, and in flap 15
Turn under by fish food float, not only have the function of feeding intake, and be also greatly reduced operation cost.
In the present embodiment, it is preferred that the center position of 16 upper surface of mounting plate is provided with tension spring 19, the top of tension spring 19
Plate 18 is installed, the rear and front end of 20 upper surface of support plate offers slot 27, and plate 18 and slot 27 are fitting to connection,
By 17 level of dovetails be pushed into the dovetail groove 26 in support plate 20 it is chimeric after, the hand of plate 18 is lifted before can unclamping, is made
Plate 18 is obtained under the action of 19 contraction elasticity of tension spring, vertical plate 18 is inserted into embedding in the slot 27 in support plate 20
It closes, limits the movement in integral level direction, installation and removal are very convenient.
In the present embodiment, it is preferred that there is preset terminal in the inside of timer 5, can with pre-set count value, when starting counting,
Timer 5 can start to do subtraction count, and when being counted as zero, gate time is arrived, and will export a control pulse, with control arteries and veins
Wash away triggering next stage circuit.
In the present embodiment, it is preferred that the inside of electric butterfly valve 23 drives butterfly plate to rotate by motor, realizes intracavitary folding,
So that feed discharge or sealing in top feed cartridge 22.
Working principle: the present invention is in use, the plate 18 on mounting plate 16 is pulled upwardly by user first, while going to report
The least significant end of plate 18 is higher than the top of dovetails 17, the dovetail groove being then pushed into 17 level of dovetails in support plate 20
After 26 is chimeric, the hand of plate 18 is lifted before can unclamping, so that plate 18 is under the action of 19 contraction elasticity of tension spring, it will be vertical
Plate 18 be inserted into the slot 27 in support plate 20 be fitted into, limit integral level direction movement, installation and removal very
Convenience；When oxygenation, motor 21 can star, drive crank 9, connecting rod 10 is driven to rotate, so that sliding shoe 8 slides up and down, and
So that 7 positive and negative rotation of screw set, while also agitator disk 13 being driven to rotate, so that 15 turn of flap on agitator disk 13, is then opened
Pneumatic aeration pump 25, is passed through the outlet passageway 14 in agitator disk 13 for air by tracheae, and be discharged from the gap of flap 15,
The oxygenated water being discharged in flow channel 14 out can be stirred under the rotation of flap 15, and increase this part oxygenated water mobility, greatly
The big uniformity for improving amount of oxygen in aquaculture pond；And 15 section of flap is X-type structure, is welded for the batten of two arcs,
When flap 15 rotates, water can be along the recess of cambered surface in flap 15 and towards the discharge of the tail portion of flap 15, due in flap 15
Lower both ends are lofty curved edge, prevent water from flowing out from upper and lower ends, substantially increase the displacement of oxygenated water, while also can
So that in-plane of the drainage direction along dampening, avoids the fluctuation of the generation in water larger, cause hiding for fish, reduces fish
Scope of activities；When feeding intake, can be opened by the electric butterfly valve 23 under the setting of timer 5, and by fish in feed cartridge 22
Material free-falling is closed after a certain period of time, and the fish material of whereabouts can be fallen in flap 15, and fish food floats under the turn of flap 15
It walks, not only has the function of feeding intake, and be also greatly reduced operation cost, entire workflow terminates.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of aquaculture pond oxygen-increasing device, including shell (1), it is characterised in that: pacify on the outer wall in front of the shell (1)
It equipped with motor (21), is equipped with crank (9) in the shaft at motor (21) rear, the right end rotation connection of the crank (9)
Have connecting rod (10), be provided with sliding shoe (8) below the connecting rod (10), and connecting rod (10) passes through rotation axis and sliding shoe (8)
Rotation connection, the sliding shoe (8) are internally provided with screw set (7), and sliding shoe (8) is sliding by ball and screw set (7)
It is dynamic to connect, it is rotatablely connected by bearing and shell (1) in the two side walls up and down of the screw set (7), the screw set (7)
Lower section be welded with agitator disk (13), be welded with flap (15) on the side wall of the agitator disk (13), and agitator disk (13) is interior
Portion offers out flow channel (14), is equipped with aeration pump (25) on the back side of the shell (1), and the aeration pump (25) passes through pipe
Road is connect with flow channel out (14), and control box (2), the inside of control box (2) are equipped on the left side wall of the shell (1)
It is respectively arranged with controller (6) and timer (5), and controls and be provided with display screen (3) on the left side of box (2) and control is opened
It closes (4), the motor (21), aeration pump (25), controller (6), timer (5) and display screen (3) are electric with control switch (4)
Property connection, the control switch (4) is electrically connected by power outlet and extraneous power supply, the centre bit of shell (1) side wall
The place of setting is welded with mounting plate (16), and the left and right ends of mounting plate (16) lower surface are welded with dovetails (17), and is installed
It is provided with below plate (16) support plate (20), the upper surface of the support plate (20) offers dovetail groove (26), the dovetail
Block (17) and dovetail groove (26) are fitting to connection.
2. a kind of aquaculture pond oxygen-increasing device according to claim 1, it is characterised in that: the following table of the shell (1)
Face is welded with attachment strap (11), and the left and right ends of sliding shoe (8) lower surface pass through the upper table of spring (12) Yu attachment strap (11)
Face connection.
3. a kind of aquaculture pond oxygen-increasing device according to claim 1, it is characterised in that: the flap (15) is provided with
12, and 12 flaps (15) are equidistantly arranged on the side wall of agitator disk (13), the section of the flap (15) is X-type
Structure.
4. a kind of aquaculture pond oxygen-increasing device according to claim 1, it is characterised in that: table on the mounting plate (16)
Front in face is equipped with feed cartridge (22), is equipped with discharge nozzle (24), the discharge nozzle below the feed cartridge (22)
(24) it is equipped on side wall electric butterfly valve (23), the electric butterfly valve (23) and control switch (4) are electrically connected.
5. a kind of aquaculture pond oxygen-increasing device according to claim 1, it is characterised in that: table on the mounting plate (16)
The center position in face is provided with tension spring (19), is equipped with plate (18) above the tension spring (19), the support plate (20)
The rear and front end of upper surface offers slot (27), and the plate (18) and slot (27) are fitting to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067725.7A CN109042477A (en) | 2018-09-13 | 2018-09-13 | A kind of aquaculture pond oxygen-increasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067725.7A CN109042477A (en) | 2018-09-13 | 2018-09-13 | A kind of aquaculture pond oxygen-increasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109042477A true CN109042477A (en) | 2018-12-21 |
Family
ID=64760514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811067725.7A Withdrawn CN109042477A (en) | 2018-09-13 | 2018-09-13 | A kind of aquaculture pond oxygen-increasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109042477A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109691410A (en) * | 2019-03-04 | 2019-04-30 | 陈慎慎 | A kind of aquaculture facilitates the net cage of oxygenation |
| CN111937806A (en) * | 2020-09-01 | 2020-11-17 | 舒城县明公农业开发有限责任公司 | Aquaculture is with evenly dispersing type water apparatus of oxygen supply |
| CN112119957A (en) * | 2020-09-27 | 2020-12-25 | 李北丽 | Automatic fish food feeding device based on biological breeding |
| CN113711989A (en) * | 2021-10-13 | 2021-11-30 | 新乡市水产技术推广站 | Pure oxygen supply equipment for aquaculture |
| CN114467835A (en) * | 2022-01-07 | 2022-05-13 | 管文章 | Automatic oxygenation device for freshwater fish culture |
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| US20160310914A1 (en) * | 2015-04-21 | 2016-10-27 | Huei-Wern TSUEI | Aerator |
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