CN108935283B

CN108935283B - Oxygenation device for aquaculture

Info

Publication number: CN108935283B
Application number: CN201810728601.2A
Authority: CN
Inventors: 孙弋博
Original assignee: Jinhua Beili Aquaculture Technology Co ltd
Current assignee: Jinhua Beili Aquaculture Technology Co ltd
Priority date: 2018-07-05
Filing date: 2018-07-05
Publication date: 2021-01-19
Anticipated expiration: 2038-07-05
Also published as: CN108935283A

Abstract

The invention discloses an oxygenation device for aquaculture, which comprises a culture pond consisting of a culture dam with a trapezoidal cross section and a pond bottom with a concave edge towards the center, wherein a support frame covers the outside of the culture pond, a controller is arranged above the culture dam, a water quality detector is arranged on the side wall of the bottom of the culture dam, a sewage discharge device is arranged at the pond bottom, the sewage discharge device comprises a sewage discharge channel, a spherical cover is connected to the upper part of the sewage discharge channel through a compression spring, a support rod is arranged at the bottom of the spherical cover and positioned in the sewage discharge channel, a magnetic block is arranged at the bottom of the support rod, a support rod is arranged on the inner wall of the sewage discharge channel below the support rod, and an electromagnet corresponding to the magnetic block is arranged on the support rod.

Description

Oxygenation device for aquaculture

Technical Field

The invention belongs to the technical field of aquaculture, and particularly relates to an oxygenation device for aquaculture.

Background

Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under artificial control. The method generally comprises the whole process of cultivating aquatic products from seedlings under artificial feeding management, and can also comprise aquatic resource multiplication in a broad sense, the aquatic product cultivation has modes of rough cultivation, intensive cultivation, high-density intensive cultivation and the like, the rough cultivation is to put the seedlings in middle and small natural waters, the aquatic products such as lake fish cultivation, shallow sea shellfish cultivation and the like are cultivated completely by natural baits, and the intensive cultivation is to cultivate the aquatic products such as pond fish cultivation, net cage fish cultivation, fence cultivation and the like in small water bodies by bait feeding and fertilizing methods. The high-density intensive culture adopts methods of flowing water, controlling temperature, increasing oxygen, feeding high-quality baits and the like to carry out high-density culture in a small water body so as to obtain high yield, such as flowing water high-density fish culture, shrimp culture and the like.

However, when a plurality of aquatic animals are artificially cultured, the difference between the culture environment and the natural growth environment is encountered, for example, dissolved oxygen and the like are changed compared with the natural growth environment, so that the culture success rate and the culture quality are affected, and meanwhile, the factors such as the real culture environment and dissolved oxygen and the like are limited, if the culture density of the aquatic animals is increased, the conditions of water quality deterioration, insufficient dissolved oxygen, frequent diseases and the like occur, so the culture density of the aquatic animals is also very limited, and the culture area needs to be increased, therefore, the traditional culture process needs higher culture equipment cost and labor cost.

Disclosure of Invention

The invention aims to provide an oxygenation device for aquaculture, which realizes full-ecological aquaculture, can recycle aquaculture water, discharge the aquaculture water while performing intellectualization, can increase dissolved oxygen in the aquaculture water, and improves the survival rate of various aquatic products.

The scheme adopted by the invention for solving the technical problems is as follows: an oxygenation device for aquaculture comprises a culture pond consisting of a culture dam with a trapezoidal cross section and a pond bottom with a sunken edge towards the center, wherein a support frame is covered outside the culture pond, a controller is arranged above the culture dam, a water quality detector is arranged on the side wall of the bottom of the culture dam, a pollution discharge device is arranged at the pond bottom and comprises a pollution discharge channel, a spherical cover is connected above the pollution discharge channel through a compression spring, a support rod is arranged at the bottom of the spherical cover and positioned in the pollution discharge channel, a magnetic block is arranged at the bottom of the support rod, a support rod is arranged on the inner wall of the pollution discharge channel below the support rod and provided with an electromagnet corresponding to the magnetic block, the pond bottom is provided with a sunken edge towards the center, so that pollutants are all gathered towards the center and are convenient to discharge, the compression spring is a tower-shaped compression spring and gradually increases from top to bottom, the upper end part of the compression spring is fixedly connected, adsorb the magnetic block of locating the bracing piece bottom through the electro-magnet on the controller control branch, thereby make the spherical lid descend and plug up the sewage pipes, keep aquatic products normal breeding, can detect the quality of water condition in the breed pond through the water quality detector, when quality of water needs to be changed, the water quality detector gives the controller with quality of water information transmission, the outage of controller control electro-magnet, compression spring's bounce-off force makes the spherical lid rise, expose sewage pipes's last port, realize the blowdown, whole blowdown process adopts the mode of intelligent monitoring, it is high to have intelligent degree, the blowdown is traded water conveniently, time saving and labor saving.

Preferably, breed and be equipped with the inlet tube on a lateral wall of dam, the inlet tube links to each other with locating the clarifier of breeding the dam inside, and the clarifier upper end leads to pipe and links to each other with the water pump of locating breed dam up end, is connected with the outlet pipe on the water pump, and the water pump extracts and breeds in the pond and get into the clarifier by the inlet tube in, and the clear water after the purification is sprinkled to breeding the pond by the outlet pipe, carries out water cyclic utilization, has practiced thrift the resource.

Preferably, the support frame top is equipped with the connecting rod, the connecting rod below is equipped with the thumb wheel, the thumb wheel includes spherical network, spherical network internal placement has the absorption ball, spherical network outer loop cloth has the plectrum, the thumb wheel is located the export end side below of outlet pipe, outlet pipe spun rivers are through the thumb wheel, the absorption ball in the thumb wheel can adsorb pollutants such as remaining impurity in the aquatic, make breed water more totally do benefit to survival of all kinds of aquatic products, the thumb wheel passes through motor control, can rotate, rotatory in-process plectrum constantly patts outlet pipe spun water, increase the dissolved oxygen of aquatic, be favorable to the existence of all kinds of aquatic products.

Preferably, a rotating device is connected below the thumb wheel through a connecting rope and comprises a rotating ball, hollow balls connected through a connecting rod are annularly distributed on the horizontal plane outside the rotating ball, each hollow ball is composed of a plurality of ring sleeves, an air outlet pipe is arranged on the side of the rotating device and connected with an exhaust fan arranged inside the breeding dam, one end of the exhaust fan is connected with an air inlet pipe, the rotating device is hung below the thumb wheel through the connecting rope and is positioned below the breeding water surface, the exhaust fan extracts external air through the air inlet pipe and enters the breeding pond, the air is sent into the breeding water through the air outlet pipe, the rotating device is positioned on the right side of the air outlet pipe, strong air flow drives the rotating ball to rotate, the flowing direction of the gas of the hollow balls is changed in the process of rotating the hollow balls, the breeding water is stirred, the contact time of the gas and the breeding water is prolonged, and the contact area of the breeding water and the gas is, accelerates the dissolving speed of oxygen, reduces the escape loss of dissolved oxygen in the culture water caused by supersaturation, meanwhile, the gas continuously impacts the ring sleeves on the hollow balls, so that the kinetic energy of water molecules is increased, the motion is intensified, the occupied volume of the water molecules is increased, the effective clearance is increased, thereby filling more gas molecules in the gaps among the water molecules, greatly increasing the oxygen dissolution rate, and the rotating device increases the exchange of the energy of the substances between the aquaculture water and the suspended matters in the aquaculture water in the continuous rotation process in the water, changes the occurrence forms of the nutrient substances such as nitrogen, phosphorus and the like in the aquaculture water, promotes the nitrification and denitrification, accelerates the volatilization of harmful gases and the circulation of the substances, promotes the dissolved oxygen, the temperature, the water quality and the like in the whole water body to tend to be balanced in the vertical direction and the horizontal direction, is favorable for the survival of various aquatic products in the aquaculture water, and increases the survival rate.

Preferably, the side wall of the cultivation dam is provided with a plurality of planting platforms which are arranged in a ladder shape, the planting platforms can be used for planting various green plants, the planting platforms above the water surface can be used for planting terrestrial plants to provide more oxygen for the whole cultivation space, and the planting platforms in the water can be used for planting various aquatic plants to purify various pollutants which can spoil water quality such as nitrogen and phosphorus in the water so as to achieve the purpose of healthy cultivation.

Preferably, the support frame top is equipped with sun-proof canopy, and the support frame top is equipped with air purifier, is equipped with sun-proof canopy and can prevent that violent insolate from leading to breeding the pond in high temperature, is unfavorable for aquatic products to live, and air purifier can purify the air in the breed space, improves the air quality, avoids the air quality difference in the breed space and influences the growth of all kinds of aquatic products, and this design is simple structure not only, and the function is practical, can imitate natural environment moreover, has very big help to the growth of all kinds of aquatic products.

Preferably, the air outlet below the air purifier is provided with a fan in a matching manner, and the fan can enable air to be convected so as to keep the air circulation in the culture space.

Preferably, be equipped with the light filling lamp on the support frame roof, breed the inside water changing pipe that still is equipped with the external water source of extractable, the light filling lamp is used for providing the energy of plant photosynthesis, and the water changing pipe is located the breed dam inner wall of bottom of the pool top department, and when needs traded water, sewage discharged via the sewage pipes, in the blowdown, the water changing pipe was turned on the water, realized the limit row limit and was put, did not influence the survival activity of aquatic products, reduced the mortality.

Compared with the prior art, the invention has the advantages that 1) the sewage discharge device is arranged, the intelligent degree is high, the sewage discharge and water change are convenient, and the time and the labor are saved; 2) the purifier is arranged, so that water can be recycled, and resources are saved; 3) the poking wheel can adsorb pollutants such as impurities remained in water and increase dissolved oxygen in water, thereby being beneficial to the survival of various aquatic products; 4) be equipped with rotary device, increased oxygen dissolution rate, improved the aquatic products survival rate.

The invention adopts the technical scheme to provide the oxygenation device for aquaculture, overcomes the defects of the prior art, and is reasonable in design and convenient to operate.

Drawings

FIG. 1 is a schematic structural view of an aerator for aquaculture according to the present invention;

FIG. 2 is an enlarged view of portion a of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the thumb wheel of the present invention;

FIG. 4 is a schematic structural diagram of a rotary device according to the present invention;

fig. 5 is a top view of the rotating device of the present invention.

Description of reference numerals: 1. a support frame; 2. cultivating a dam; 3. the bottom of the pool; 301. a trapway; 4. a sewage draining device; 401. a spherical cap; 402. a compression spring; 403. a support bar; 404. a magnetic block; 405. a strut; 406. an electromagnet; 5. a thumb wheel; 501. a spherical net; 502. adsorbing the ball; 503. a shifting sheet; 6. a rotating device; 601. rotating the ball; 602. a connecting rod; 603 hollowing out the ball; 604, a ring sleeve; 7. a connecting rod; 8. connecting ropes; 9. a water pump; 10. a water pipe; 11. a purifier; 12. a water inlet pipe; 13. a water outlet pipe; 14. an exhaust fan; 15. an air inlet pipe; 16. an air outlet pipe; 17. a water quality detector; 18. a controller; 19. changing a water pipe; 20. a planting platform; 21. an air purifier; 22. a fan; 23. a light supplement lamp; 24. sun-proof canopy.

Detailed Description

The following is described in further detail with reference to the accompanying drawings and examples:

example 1:

as shown in fig. 1-2, the solution adopted by the present invention to solve the above technical problem is: an oxygenation device for aquaculture comprises a culture pond consisting of a culture dam 2 with a trapezoidal section and a pond bottom 3 with an edge depressed towards the center, a support frame 1 is covered outside the culture pond, a controller 18 is arranged above the culture dam 2, a water quality detector 17 is arranged on the side wall of the bottom of the culture dam 2, a sewage discharge device 4 is arranged at the pond bottom 3, the sewage discharge device 4 comprises a sewage discharge channel 301, a spherical cover 401 is connected above the sewage discharge channel 301 through a compression spring 402, a support rod 403 is arranged at the bottom of the spherical cover 401 and positioned in the sewage discharge channel 301, a magnetic block 404 is arranged at the bottom of the support rod 403, a support rod 405 is arranged on the inner wall of the sewage discharge channel 301 below the support rod 403, an electromagnet 406 corresponding to the magnetic block 404 is arranged on the support rod 405, the pond bottom 3 is arranged with an edge depressed towards the center, so that sewage is totally gathered towards the center, sewage discharge, the upper end part of compression spring 402 and spherical lid 401 fixed connection, the lower surface size of spherical lid 401 is just in time can seal up the last port of blowdown passageway 301, adsorb the magnetic block 404 of locating bracing piece 403 bottom through the electro-magnet 406 on the controller 18 control branch 405, thereby make spherical lid 401 descend and plug up blowdown passageway 301, keep aquatic products normal breeding, can detect the quality of water condition in the breed pond through water quality detector 17, when quality of water needs to be changed, water quality detector 17 gives controller 18 with quality of water information transmission, controller 18 control electro-magnet outage, the bounce of compression spring 402 makes spherical lid 401 rise, expose the last port of blowdown passageway 301, realize the blowdown, whole blowdown process adopts intelligent monitoring's mode, it is high to have intelligent degree, the blowdown is changed water conveniently, time saving and labor saving.

Example 2:

as shown in fig. 1 and 3, the optimization scheme of this embodiment based on embodiment 1 is as follows: a water inlet pipe 12 is arranged on one side wall of the culture dam 2, the water inlet pipe 12 is connected with a purifier 11 arranged inside the culture dam 2, the upper end of the purifier 11 is connected with a water pump 9 arranged on the upper end surface of the culture dam 2 through a water pipe 10, the water pump 9 is connected with a water outlet pipe 13, the water pump 9 pumps sewage in the culture pond and enters the purifier 11 through the water inlet pipe 12, purified clean water is sprayed to the culture pond through the water outlet pipe 13 for water recycling, resources are saved, a connecting rod 7 is arranged on the top of the support frame 1, a dial wheel 5 is arranged below the connecting rod 7, the dial wheel 5 comprises a spherical net 501, an adsorption ball 502 is arranged in the spherical net 501, a dial plate 503 is distributed around the spherical net 501, the dial wheel 5 is positioned below the outlet end side of the water outlet pipe 13, water flow sprayed out from the water outlet pipe 13 passes through the dial wheel 5, the adsorption ball 502 in the dial wheel 5, thumb wheel 5 passes through motor control, can rotate, and rotating process plectrum 503 constantly beats outlet pipe 13 spun water, increases the dissolved oxygen of aquatic, is favorable to the existence of all kinds of aquatic products.

Example 3:

as shown in fig. 1, 4 and 5, the optimization scheme of this embodiment based on embodiment 1 is as follows: the lower part of the thumb wheel 5 is connected with a rotating device 6 through a connecting rope 8, the rotating device 6 comprises a rotating ball 601, hollow balls 603 connected through a connecting rod 602 are annularly distributed on the horizontal plane outside the rotating ball 601, the hollow balls 603 are composed of a plurality of ring sleeves 604, an air outlet pipe 16 is arranged on the side of the rotating device 6, the air outlet pipe 16 is connected with an exhaust fan 14 arranged inside the cultivation dam 2, one end of the exhaust fan 14 is connected with an air inlet pipe 15, the rotating device 6 is hung below the thumb wheel 5 through the connecting rope 8 and is positioned below the cultivation water surface, the exhaust fan 14 extracts external air through the air inlet pipe 15 to enter the cultivation pond, the air is sent into cultivation water through the air outlet pipe 16, the rotating device 6 is positioned on the positive side of the air outlet pipe 16, strong air flow drives the rotating ball 601 to rotate, the hollow balls 603 and the air flow direction changed in the following rotating process, cultivation water is stirred, and therefore the contact time of air and cultivation water is, the contact area of the aquaculture water and the gas is enlarged, the dissolving speed of the oxygen is accelerated, the escape loss of the dissolved oxygen in the aquaculture water caused by supersaturation is reduced, meanwhile, the gas continuously impacts the ring sleeve 604 on the hollow ball 603, the kinetic energy of the water molecules is increased, the motion is intensified, the occupied volume of the motion is increased, the effective clearance is increased, so that more gas molecules are filled in gaps among the water molecules, the oxygen dissolving rate is greatly increased, in the continuous rotation process of the rotating device 6 in the water, the exchange of matter energy among the aquaculture water and suspended matters in the water is increased, the occurrence forms of nutrient substances such as nitrogen, phosphorus and the like in the aquaculture water are changed, the nitrification and denitrification effects are promoted, the volatilization and the material circulation of harmful gas are accelerated, the dissolved oxygen, the temperature, the water quality and the like in the whole water body tend to be balanced in the vertical and horizontal directions, and the survival of various aquatic products in the aquaculture, increasing the survival rate.

In the invention, the ring sleeve 604 comprises the following raw materials in parts by weight: 4 parts of methyl phenyl vinyl silicone rubber, 9 parts of chloroprene rubber, 1.3 parts of titanate coupling agent, 11 parts of polyamide fiber, 1.2 parts of dicumyl peroxide, 0.2 part of p-aminobenzonitrile, 1.9 parts of sulfur, 1.1 parts of N, N' -m-phenylene maleimide, 2.5 parts of magnesium oxide, 35 parts of magnesium carbonate, 34 parts of hard argil, 9 parts of furnace carbon black, 11 parts of magnesium hydroxide, 2 parts of diphenyl phosphate, 6 parts of melamine cyanuric acid, 7 parts of trioctyl trimellitate, 4 parts of anti-aging agent and 96 parts of modified natural rubber. The preparation method of the modified natural rubber comprises the following steps: dissolving 0.6 part of propylene glycol alginate in 57 parts of tris (hydroxymethyl) aminomethane-hydrochloric acid buffer solution, fully stirring to obtain a solution A, dissolving 1.5 parts of peanut protein in 59 parts of ammonia water, uniformly stirring to obtain a solution B, mixing the solution A and the solution B, stirring at a stirring speed of 356rpm for 114min, adding 101 parts of natural rubber, and stirring for 36min to obtain modified natural rubber, wherein the modified natural rubber is adopted in the formula, the propylene glycol alginate and the peanut protein are subjected to a cross-linking reaction under an alkaline condition to form a covalent complex, the covalent complex can form a multi-level core-shell structure on the surface of a rubber molecule, and the covalent complex is mutually linked through a hydrogen bond effect, so that the stability of the rubber molecule is improved, the tensile property, the water sinking property and the barrier compactness of the ring sleeve 604 are enhanced, the ring sleeve 604 is prevented from floating on the water surface, and a titanate coupling agent is added to further improve, The polyamide fiber is matched with the main material of rubber for use, dicumyl peroxide (DCP), sulfur and N, N' -m-phenylene maleimide are used as a vulcanization system, the crosslinking degree between the main materials is greatly enhanced, the tensile property of the ring sleeve 604 is greatly improved, wherein, p-aminobenzonitrile is added, so that the ring sleeve 604 has a large specific surface area and a rich pore structure, a large amount of sulfur atoms are generated, the surface contains a large amount of oxygen-containing functional groups after reaction, the hydrophilicity and the ion exchange capacity of the ring sleeve are improved, the contact surface with heavy metal ions is enlarged, heavy metals in the culture pond basically belong to soft acid metal ions, and are easy to combine with sulfur atoms serving as soft alkali, and when water flow continuously rubs and contacts with the ring sleeve 604, the water flow is completely adsorbed on the ring sleeve 604, and the survival and the propagation of aquatic products are facilitated.

Example 4:

as shown in fig. 1, the optimization scheme of this embodiment based on embodiment 1 is as follows: the side wall of the cultivation dam 2 is provided with a plurality of planting platforms 20, the planting platforms 20 are arranged in a ladder shape, the planting platforms 20 can be used for planting various green plants, the planting platforms 20 above the water surface can plant terrestrial plants to provide more oxygen for the whole cultivation space, the planting platforms 20 in the water can plant various aquatic plants to purify various pollutants which can spoil water quality such as nitrogen and phosphorus in the water to achieve the purpose of healthy cultivation, the upper part of the support frame 1 is provided with the sun-proof shed 24, the top of the support frame 1 is provided with the air purifier 21, the sun-proof shed 24 is arranged to prevent overhigh temperature in the cultivation pool and is not beneficial to survival of aquatic products caused by severe sun-shine, the air purifier 21 can purify the air in the cultivation space, improve the air quality and avoid the poor air quality in the cultivation space from influencing the growth of various aquatic products, the design is simple in structure and practical in function, and can imitate natural environment, the growth to all kinds of aquatic products is propagated and is had very big help, the cooperation of air outlet department of air purifier 21 below is provided with fan 22, fan 22 can make the air carry out the convection current, keep the circulation of air in the breed space, be equipped with light filling lamp 23 on the 1 roof of support frame, breed 2 inside water changing pipe 19 that still are equipped with the external water source of extractable that still breeds of dam, the light filling lamp is used for providing the energy of plant photosynthesis, water changing pipe 19 is located 2 inner walls of breed dam of 3 top departments of bottom of the pool, when needs change water, sewage discharges via sewage disposal channel 301, in the blowdown, water changing pipe 19 discharges, realize the limit is discharged while putting, do not influence the survival activity of aquatic products, reduce the death rate.

Example 5:

the actual using process of the equipment provided by the invention is as follows: the water pump 9 is started, the water pump 9 extracts sewage in the culture pond and enters the purifier 11 through the water inlet pipe 12, purified clean water is sprayed to the culture pond through the water outlet pipe 13, water flow sprayed by the water outlet pipe 13 passes through the thumb wheel 5, the adsorption balls 502 in the thumb wheel 5 can adsorb pollutants such as residual impurities in the water, the culture water is cleaner and is beneficial to survival of various aquatic products, the thumb wheel 5 can rotate through the control of a motor, the thumb wheel 503 continuously beats the water sprayed by the water outlet pipe 13 in the rotating process to increase dissolved oxygen in the water and be beneficial to survival of various aquatic products, the exhaust fan 14 extracts external air through the air inlet pipe 15 and enters the culture pond, the air is sent into the culture water through the air outlet pipe 16, the rotating device 6 is positioned right beside the air outlet pipe 16, strong airflow drives the rotating ball 601 to rotate, the hollow ball 603 changes the air flowing direction in the following rotating process, stirring the aquaculture water, thereby increasing the contact time of the gas and the aquaculture water, enlarging the contact area of the aquaculture water and the gas, accelerating the dissolution speed of the oxygen, reducing the escape loss of the dissolved oxygen in the aquaculture water caused by supersaturation, simultaneously, the gas continuously impacts the ring sleeve 604 on the hollow ball 603 to promote the kinetic energy increase of water molecules and the movement increase of the occupied volume of the movement of the water molecules caused by the aggravation of the movement, and the effective clearance is increased, so that more gas molecules are filled in the gaps among the water molecules, the oxygen dissolution rate is greatly increased, and the exchange of the material energy among the aquaculture water and suspended matters in the aquaculture water is increased in the continuous rotation process of the rotating device 6 in the water, the occurrence forms of nutrient substances such as nitrogen, phosphorus and the like in the aquaculture water are changed, the nitrification and denitrification are promoted, the volatilization and the material circulation of harmful gas are accelerated, and the dissolved oxygen in the whole water, Temperature, quality of water etc. tend to balanced in two directions of perpendicular and level, be favorable to breeding all kinds of aquatic products of aquatic and survive, increase the survival rate, can detect the quality of water condition in the breed pond through water quality detector 17, when quality of water needs to be changed, water quality detector 17 gives controller 18 with quality of water information transmission, 18 control electro-magnet outage of controller, the bounce-back of compression spring 402 makes spherical cover 401 rise, expose the up end of blowdown passageway 301, realize the blowdown, in the blowdown, it drains water to trade water pipe 19, realize the limit row limit and put.

Conventional techniques in the above-described embodiments are known to those skilled in the art and will not be described in detail herein.

The above embodiments are merely illustrative, and not restrictive, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. Oxygenation device for aquaculture includes and is the cultivation pond that trapezoidal breed dam (2) and edge are constituteed to sunken bottom of the pool (3) in center by the cross-section, breeds the outside cover in pond and is equipped with support frame (1), breeds dam (2) top and is equipped with controller (18), is equipped with water quality detector (17), its characterized in that on breeding dam (2) bottom lateral wall: the pool bottom (3) is provided with a sewage discharging device (4), the sewage discharging device (4) comprises a sewage discharging channel (301), a spherical cover (401) is connected above the sewage discharging channel (301) through a compression spring (402), a support rod (403) is arranged at the bottom of the spherical cover (401), the support rod (403) is positioned in the sewage discharging channel (301), a magnetic block (404) is arranged at the bottom of the support rod (403), a support rod (405) is arranged on the inner wall of the sewage discharging channel (301) below the support rod (403), and an electromagnet (406) corresponding to the magnetic block (404) is arranged on the support rod (405); the compression spring is a tower-shaped compression spring which is gradually enlarged from top to bottom;

a water inlet pipe (12) is arranged on one side wall of the breeding dam (2), the water inlet pipe (12) is connected with a purifier (11) arranged inside the breeding dam (2), the upper end of the purifier (11) is connected with a water pump (9) arranged on the upper end surface of the breeding dam (2) through a water pipe (10), and a water outlet pipe (13) is connected to the water pump (9);

a connecting rod (7) is arranged at the top of the support frame (1), a shifting wheel (5) is arranged below the connecting rod (7), the shifting wheel (5) comprises a spherical net (501), an adsorption ball (502) is arranged in the spherical net (501), shifting pieces (503) are distributed on the outer ring of the spherical net (501), and the shifting wheel (5) is positioned below the outlet end side of the water outlet pipe (13);

thumb wheel (5) below is connected with rotary device (6) through connecting rope (8), rotary device (6) are including swivel ball (601), it has fretwork ball (603) of connecting through connecting rod (602) to encircle cloth on swivel ball (601) outside horizontal plane, fretwork ball (603) comprise a plurality of ring cover (604), rotary device (6) side is equipped with air outlet pipe (16), air outlet pipe (16) link to each other with locating air exhauster (14) of breeding dam (2) inside, air exhauster (14) one end is connected with air-supply line (15).

2. The oxygenation device for aquaculture of claim 1, wherein: the side wall of the culture dam (2) is provided with a plurality of planting platforms (20), and the planting platforms (20) are arranged in a step shape.

3. The oxygenation device for aquaculture of claim 1, wherein: the sun-proof shed is characterized in that a sun-proof shed (24) is arranged above the support frame (1), and an air purifier (21) is arranged at the top of the support frame (1).

4. The oxygenation device for aquaculture of claim 3, wherein: and a fan (22) is arranged at the air outlet below the air purifier (21) in a matching manner.

5. The oxygenation device for aquaculture of claim 1, wherein: be equipped with light filling lamp (23) on support frame (1) roof, breed the inside water changing pipe (19) that can extract outside water source that still is equipped with of dam (2).