CN109691410B - Net cage for convenient oxygenation of aquaculture - Google Patents
Net cage for convenient oxygenation of aquaculture Download PDFInfo
- Publication number
- CN109691410B CN109691410B CN201910159136.XA CN201910159136A CN109691410B CN 109691410 B CN109691410 B CN 109691410B CN 201910159136 A CN201910159136 A CN 201910159136A CN 109691410 B CN109691410 B CN 109691410B
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- air
- air bag
- floating
- pipe
- convenient
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- 238000009360 aquaculture Methods 0.000 title claims abstract description 17
- 244000144974 aquaculture Species 0.000 title claims abstract description 17
- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 12
- 239000001301 oxygen Substances 0.000 abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 235000013305 food Nutrition 0.000 description 10
- 241000251468 Actinopterygii Species 0.000 description 9
- 235000013372 meat Nutrition 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a net cage for convenient oxygenation of aquaculture, which comprises a floating strip, a first air bag and a hose, wherein a net frame is arranged below the floating strip, bearing arms are arranged on two sides of the floating strip, the surfaces of the bearing arms are installed by an upright post in a penetrating manner, a rotating shaft is installed in the upright post in an embedded manner, a connecting rod is installed below the rotating shaft, blades are installed at the tail end of the connecting rod, a rotating disc is installed on the outer side of the upper end of the rotating shaft, a limiting groove is formed in the outer side of the rotating disc, the lower surface of the first air bag is penetrated by an air inlet pipe, the lower end of the air inlet pipe is connected with a three-way valve, an air delivery pipe is installed at the output end of the three-way valve, and the tail end of the air delivery pipe is inserted into the net frame. This box with a net that convenient oxygenation of aquaculture was used, when the second gasbag received the extrusion, played the effect of supplying gas to first gasbag, when first gasbag received the extrusion, played the effect of supplying oxygen to the inside of net frame to the inside oxygen content of box with a net has been improved.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a net cage for convenient oxygenation in aquaculture.
Background
With the improvement of national economic force and the increasing emphasis on meat quality, the aquatic meat on dining tables is gradually increased, and when aquatic products are cultured, in order to reduce culture cost and improve the meat quality, farmers all adopt net frames to throw the aquatic products in reservoirs, lakes and shallow sea, and the natural environment enables the fish to grow healthier. The current aquaculture net case is convenient for centralized management when centralized input, but the oxygen deficiency is extremely easy to fish, and when the oxygen deficiency, current following method of adoption:
1. the net cages are dragged by driving a ship, so that the net cages move in the water area to exchange places, and the change of the water area plays a role in increasing oxygen for fishes;
2. or install the air supply pipe in the box with a net, switch on external air pump and supply oxygen, but when the air pump oxygen supply, need many tracheas to shunt the pressure boost, insert inside every box with a net respectively, the trachea is more to it is difficult to investigate after certain trachea has damaged wherein.
Disclosure of Invention
The invention aims to provide a net cage for convenient oxygenation in aquaculture, which does not need an external air pump for supplying oxygen, can be independently put into a water area for use and is convenient to use independently, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a net cage for convenient oxygenation of aquaculture comprises a floating strip, a first air bag and a hose, wherein a net frame is installed below the floating strip, bearing arms are arranged on two sides of the floating strip, the surfaces of the bearing arms are installed by a stand column in a penetrating manner, a rotating shaft is installed in the stand column in an embedded manner, a connecting rod is installed below the rotating shaft, a paddle is installed at the tail end of the connecting rod, a rotating disc is installed on the outer side of the upper end of the rotating shaft, a limiting groove is formed in the outer side of the rotating disc, the lower surface of the first air bag is penetrated by an air inlet pipe, the lower end of the air inlet pipe is connected with a three-way valve, an air inlet pipe is installed at the output end of the three-way valve, the tail end of the air inlet pipe is inserted into the net frame, an air injection pipe is installed at the tail end of the air inlet pipe, a second air bag is connected at the upper end of the air inlet pipe, a vent pipe is arranged at the upper end of the rotating shaft, and the dead slot has been seted up in the outside of fixed disk, the one end and the superficial strip interconnect of hose, and the other end of hose installs the air bag that floats.
Preferably, the floating strip is of a rectangular structure, 4 floating strips are symmetrically arranged on the outer side of the floating strip, 8 hoses are symmetrically arranged inside the floating strip, and the floating strip is connected with the floating airbag through the hoses.
Preferably, the paddles are arranged in an arc structure and an inclined structure, and the paddles are distributed at equal intervals outside the rotating shaft.
Preferably, the number of the first air bags is 3, and the first air bags are symmetrically arranged about the central point of the rotating disc, and the outer sides of the first air bags are embedded in the limiting grooves.
Preferably, the air inlet of breather pipe sets up to the structure of downward sloping, and its internally mounted has first check valve, between first gasbag and the second gasbag and install the second check valve in the outside of intake pipe, the third check valve is installed to the end of gas-supply pipe.
Preferably, 3 intake pipes are installed respectively to the input of three-way valve, and the intake pipe passes through the three-way valve and is through connection with the gas-supply pipe.
Preferably, a return spring is installed inside the second air bag, and the diameter of the second air bag is larger than the chord height of the empty groove.
Preferably, the dead slot has 3 equally spaced openings in the outside of fixed disk, and the central vertical line of dead slot and the central vertical line of spacing recess differ by 60 °.
Preferably, the surface of the floating airbag is provided with a limiting groove, the limiting groove is of a honeycomb structure, and the floating airbag is communicated with the floating strip through a hose.
Compared with the prior art, the invention has the beneficial effects that: the net cage for convenient oxygenation in aquaculture,
1. the rotating shafts are symmetrically arranged on the outer side of the net frame, namely four groups of blades are arranged on the outer side of the net frame, when the blades rotate, the fixed disc and the rotating disc above the blades are driven to rotate simultaneously, the limiting grooves and the empty grooves are arranged in a staggered mode, so that the second air bag and the first air bag are extruded at intervals, when the second air bag is extruded, the first air bag is fed with air, when the first air bag is extruded, the oxygen feeding effect on the inner part of the net frame is achieved, and the oxygen content in the net cage is improved;
2. the second air bag is internally provided with the return spring, so that after the second air bag is deflated, the air can be pumped under the action of the return spring, the outside air can be conveniently pumped into the second air bag, and the air supply effect is realized;
3. 3 first air bags and 3 second air bags are arranged, so that the volume of air stored in the air bags is increased conveniently, namely the volume of subsequent oxygen supply is increased;
4. the inside of net frame is provided with the air bag that floats all the time, and the air bag that floats in the top to when the air bag that floats fluctuates along with the surface of water fluctuation, the spacing groove on air bag surface that floats brings gas into below the surface of water, and the spacing groove that removes disperses food, enlarges the area of food, thereby the fish of being convenient for separately forages and eat, places the mutual extrusion of fish health.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the column and the rotary plate according to the present invention;
FIG. 3 is a schematic view of the mounting structure of the first air bag and the air inlet tube according to the present invention;
FIG. 4 is a schematic top view of a blade according to the present invention;
FIG. 5 is a schematic top view of the turn plate and the first bladder of the present invention;
FIG. 6 is a schematic top view of a second bladder and a retaining plate according to the present invention;
FIG. 7 is a schematic view of a second bladder of the present invention;
FIG. 8 is a schematic top view of the float of the present invention;
FIG. 9 is a schematic view of the structure of the floating airbag of the present invention.
In the figure: 1. floating strips; 2. a screen frame; 3. a column; 4. a rotating shaft; 5. a connecting rod; 6. a paddle; 7. rotating the disc; 8. a limiting groove; 9. a first air bag; 10. an air inlet pipe; 11. a three-way valve; 12. a load-bearing arm; 13. a gas delivery pipe; 14. a first check valve; 15. a gas ejector tube; 16. a breather pipe; 17. a second air bag; 18. fixing the disc; 19. an empty groove; 20. a hose; 21. a floating air bag; 22. a limiting groove; 23. a return spring; 24. a second one-way valve; 25. and a third one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a net cage for convenient oxygenation of aquaculture comprises a floating strip 1, a net frame 2, an upright post 3, a rotating shaft 4, a connecting rod 5, blades 6, a rotating disc 7, a limiting groove 8, a first air bag 9, an air inlet pipe 10, a three-way valve 11, a bearing arm 12, an air delivery pipe 13, a one-way valve 14, an air jet pipe 15, an air vent pipe 16, a second air bag 17, a fixed disc 18, an empty groove 19, a hose 20, a floating air bag 21, a limiting groove 22 and a reset spring 23, wherein the net frame 2 is arranged below the floating strip 1, the bearing arms 12 are arranged on two sides of the floating strip 1, the surface of each bearing arm 12 is installed by penetrating through the upright post 3, the rotating shaft 4 is installed in the upright post 3 in an embedded manner, the connecting rod 5 is installed below the rotating shaft 4, the blades 6 are installed at the tail end of the connecting rod 5, the rotating disc 7 is installed on the outer side of the upper end of the rotating shaft 4, the limiting groove 8 is formed in the outer side of the rotating disc 7, the lower surface of the first air bag 9 is penetrated through the air inlet pipe 10, and the lower extreme of intake pipe 10 is connected with three-way valve 11, air pipe 13 is installed to the output of three-way valve 11, and the end of air pipe 13 inserts the inside of screen frame 2, jet-propelled pipe 15 is installed to the end of air pipe 13, the upper end of intake pipe 10 is connected with second gasbag 17, and the upper end of second gasbag 17 is provided with breather pipe 16, fixed disk 18 is installed to the upper end of axis of rotation 4, and dead slot 19 has been seted up in the outside of fixed disk 18, the one end and the superficial 1 interconnect of hose 20, and the other end of hose 20 installs planktonic gasbag 21.
The floating strip 1 is of a rectangular structure, 4 floating strips are symmetrically arranged on the outer side of the floating strip 1, 8 hoses 20 are symmetrically arranged inside the floating strip 1, the floating strip 1 is communicated with the floating air bag 21 through the hoses 20, the floating air bag 21 is filled with air, the floating air bag 21 floats on the water surface all the time, and when the water surface fluctuates, the floating air bag 21 moves on the water surface.
The paddle 6 sets up to the arc structure, and it sets up to the slope structure to the paddle 6 is equidistant distribution in the 4 outsides of axis of rotation, and the better adaptation rivers that curved paddle 6 are convenient for go on rivers.
The number of the first air bags 9 is 3 about the center point symmetry of the rotating disc 7, and the outer sides of the first air bags 9 are embedded in the limiting grooves 8.
The air inlet of breather pipe 16 sets up to the structure of downward sloping, and its internally mounted has first check valve 14, between first gasbag 9 and the second gasbag 17 and install second check valve 24 in the outside of intake pipe 10, third check valve 25 is installed to the end of gas-supply pipe 13, and the setting of check valve sets up effectual air current refluence to prevent that water refluence from getting into the inside of gasbag.
3 intake pipe 10 are installed respectively to the input of three-way valve 11, and intake pipe 10 is through connection through three-way valve 11 and gas-supply pipe 13, and the gas of intake pipe 10 gets into three-way valve 11 to gas gets into in the gas-supply pipe 13 through three-way valve 11.
The inside of second gasbag 17 installs reset spring 23, and the diameter of second gasbag 17 is greater than the chordal height of dead slot 19, and under reset spring 23's effect, second gasbag 17 resumes circularly fast for inside gas of refilling of second gasbag 17 has played the effect of air feed.
3 are seted up to the dead slot 19 at the outside of fixed disk 18 equidistance, and the central perpendicular line of dead slot 19 and the central perpendicular line of spacing recess 8 differ by 60 for rolling disc 7 and fixed disk 18 are crisscross setting, thereby when one of them gasbag was extruded, another gasbag did not extrude, thereby played the effect of continuation air feed.
Spacing groove 22 has been seted up on the surface of planktonic gasbag 21, and spacing groove 22 sets up to honeycomb structure to planktonic gasbag 21 passes through hose 20 and floats 1 through-connection, and planktonic gasbag 21 moves about on the surface of water, is convenient for break up food, improves the area that food spreads, thereby the fish of being convenient for eat at the inside dispersion of screen frame 2, avoids the fish crowded.
The working principle is as follows: firstly, the whole body is put in a water area, when water flows below the lake surface, the water flow pushes the blades 6 to rotate, so that the blades 6 are pushed to rotate at the water bottom, namely, the blades 6 are pushed to drive the rotating shaft 4 to rotate at the water bottom through the connecting rod 5, and the upper end of the rotating shaft 4 simultaneously drives the rotating disc 7 and the fixed disc 18 to rotate;
when the fixed disk 18 rotates and the outer side of the fixed disk 18 contacts the second air bag 17, because the position of the empty groove 19 is opposite to the position of the limit groove 8, namely the limit groove 8 is positioned on the outer side of the first air bag 9, the first air bag 9 is in an uncompressed state, and the fixed disk 18 extrudes the second air bag 17 at the same time, the return spring 23 in the second air bag 17 is extruded and shortened, the gas in the second air bag 17 enters the air inlet pipe 10 below, then the gas enters the first air bag 9 through the second one-way valve 24, and the gas in the first air bag 9 is gradually filled;
when the fixed disk 18 continues to rotate, the empty groove 19 on the side surface of the fixed disk coincides with the second air bag 17, and the second air bag 17 loses the extrusion force on the side edge of the fixed disk 18, so that the internal return spring 23 restores the original length, the internal space of the second air bag 17 is enlarged, namely the second air bag 17 sucks external air through the vent pipe 16, external air is sucked through the first one-way valve 14 on the surface of the vent pipe 16, and the second air bag 17 is full again;
at the moment, the limiting groove 8 and the first air bag 9 are staggered, namely the first air bag 9 is extruded by the outer side of the rotating disc 7, so that air in the first air bag 9 enters the three-way valve 11 through the air inlet pipe 10, the final air enters the air conveying pipe 13 from the three-way valve 11, the air enters the air injection pipe 15 through the third one-way valve 25, the final air is injected into water through the air injection pipe 15, and the air floats upwards in the form of bubbles in the net frame 2, so that the oxygen content of the water body in the net frame 2 is improved;
when the rotating disc 7 and the fixed disc 18 rotate in the next rotation, the gas in the second air bag 17 is extruded into the first air bag 9, so that the first air bag 9 is supplied with gas, and the first air bag 9 is filled; is convenient for continuous oxygen supply;
when scattering food to the inside of net frame 2, food is shed on the surface of water, and, fish upwards swim about this moment and ingest food, when fish is inside when rolling in net frame 2, the surface of water that overturns will drive floating airbag 21 and remove, floating airbag 21 is upset from top to bottom along with the fluctuation of the surface of water, the inside food of spacing groove 22 removes at the surface of water, floating airbag 21 breaks up food simultaneously, make food scatter in the inside of net frame 2, and when spacing groove 22 rolled on the surface of water, the air of the inside storage of spacing groove 22 will be sent into the subsurface of water thereupon, the effect of sending oxygen has been played.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a box with a net that convenient oxygenation of aquaculture was used, includes superficial strip (1), first gasbag (9) and hose (20), its characterized in that: the net frame (2) is installed below the floating strip (1), the two sides of the floating strip (1) are provided with bearing arms (12), the surface of each bearing arm (12) is penetrated and installed by a stand column (3), a rotating shaft (4) is installed in the stand column (3) in an embedded mode, a connecting rod (5) is installed below the rotating shaft (4), blades (6) are installed at the tail end of the connecting rod (5), a rotating disc (7) is installed on the outer side of the upper end of the rotating shaft (4), a limiting groove (8) is formed in the outer side of the rotating disc (7), the lower surface of a first air bag (9) is penetrated through by an air inlet pipe (10), the lower end of the air inlet pipe (10) is connected with a three-way valve (11), an air conveying pipe (13) is installed at the output end of the three-way valve (11), the tail end of the air conveying pipe (13) is inserted into the net frame (2), and an air injection pipe (15) is installed at the tail end of the air conveying pipe (13), the upper end of the air inlet pipe (10) is connected with a second air bag (17), the upper end of the second air bag (17) is provided with an air pipe (16), the upper end of the rotating shaft (4) is provided with a fixed disc (18), the outer side of the fixed disc (18) is provided with a hollow groove (19), one end of the hose (20) is connected with the floating strip (1), and the other end of the hose (20) is provided with a floating air bag (21);
3 first air bags (9) are symmetrically arranged around the central point of the rotating disc (7), and the outer sides of the first air bags (9) are embedded in the limiting grooves (8);
a return spring (23) is installed inside the second air bag (17), and the diameter of the second air bag (17) is larger than the chord height of the empty groove (19);
empty groove (19) have seted up 3 at the outside of fixed disk (18) equidistant, and the central vertical line of empty groove (19) and the central vertical line of spacing recess (8) differ by 60.
2. The net cage for convenient oxygenation of aquaculture according to claim 1, characterized in that: the floating strip (1) is of a rectangular structure, 8 hoses (20) are symmetrically arranged inside the floating strip (1), and the floating strip (1) is communicated with the floating air bag (21) through the hoses (20).
3. The net cage for convenient oxygenation of aquaculture according to claim 1, characterized in that: the paddle (6) is of an arc structure and is of an inclined structure, and the paddle (6) is distributed on the outer side of the rotating shaft (4) at equal intervals.
4. The net cage for convenient oxygenation of aquaculture according to claim 1, characterized in that: the air inlet of breather pipe (16) sets up to the structure of downward sloping, and its internally mounted has first check valve (14), just install second check valve (24) in the outside of intake pipe (10) between first gasbag (9) and second gasbag (17), third check valve (25) are installed to the end of gas-supply pipe (13).
5. The net cage for convenient oxygenation of aquaculture according to claim 1, characterized in that: 3 intake pipe (10) are installed respectively to the input of three-way valve (11), and intake pipe (10) are through connection through three-way valve (11) and gas-supply pipe (13).
6. The net cage for convenient oxygenation of aquaculture according to claim 1, characterized in that: limiting grooves (22) are formed in the surface of the floating air bag (21), the limiting grooves (22) are of a honeycomb structure, and the floating air bag (21) is communicated with the floating strips (1) through hoses (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159136.XA CN109691410B (en) | 2019-03-04 | 2019-03-04 | Net cage for convenient oxygenation of aquaculture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159136.XA CN109691410B (en) | 2019-03-04 | 2019-03-04 | Net cage for convenient oxygenation of aquaculture |
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| Publication Number | Publication Date |
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| CN109691410A CN109691410A (en) | 2019-04-30 |
| CN109691410B true CN109691410B (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910159136.XA Active CN109691410B (en) | 2019-03-04 | 2019-03-04 | Net cage for convenient oxygenation of aquaculture |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046308U (en) * | 1988-07-24 | 1989-10-25 | 高旭奕 | Air pressure equipment for increasing oxygen content of water |
| CN2079414U (en) * | 1990-06-23 | 1991-06-26 | 谭昌升 | Gasbag type wind-power oxygen-enriched machine |
| JP3118668B2 (en) * | 1992-02-27 | 2000-12-18 | 海洋工業株式会社 | Reef area improvement method and reef equipment |
| CN207911778U (en) * | 2017-12-22 | 2018-09-28 | 新昌县城关新胜轴承厂 | A kind of sustainable aquaculture equipment of floating tank type structure |
| CN109042477A (en) * | 2018-09-13 | 2018-12-21 | 天津市益多利来水产养殖有限公司 | A kind of aquaculture pond oxygen-increasing device |
-
2019
- 2019-03-04 CN CN201910159136.XA patent/CN109691410B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046308U (en) * | 1988-07-24 | 1989-10-25 | 高旭奕 | Air pressure equipment for increasing oxygen content of water |
| CN2079414U (en) * | 1990-06-23 | 1991-06-26 | 谭昌升 | Gasbag type wind-power oxygen-enriched machine |
| JP3118668B2 (en) * | 1992-02-27 | 2000-12-18 | 海洋工業株式会社 | Reef area improvement method and reef equipment |
| CN207911778U (en) * | 2017-12-22 | 2018-09-28 | 新昌县城关新胜轴承厂 | A kind of sustainable aquaculture equipment of floating tank type structure |
| CN109042477A (en) * | 2018-09-13 | 2018-12-21 | 天津市益多利来水产养殖有限公司 | A kind of aquaculture pond oxygen-increasing device |
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| CN109691410A (en) | 2019-04-30 |
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Effective date of registration: 20210628 Address after: 314511 East, floor 1, No. 143, lianhuabang, Wufeng village, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Applicant after: Jiaxing Deji Machinery Design Co.,Ltd. Address before: No.118, Wenyi Road, Xihu District, Hangzhou, Zhejiang 310000 Applicant before: Chen Shenshen |
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