CN114680070A

CN114680070A - Breeding device, breeding system and breeding method thereof

Info

Publication number: CN114680070A
Application number: CN202210134017.0A
Authority: CN
Inventors: 吴振行
Original assignee: Lianyungang Lianguan Intelligent Technology Co ltd
Current assignee: Lianyungang Lianguan Intelligent Technology Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-07-01

Abstract

The invention relates to aquaculture, in particular to a culture device, a culture system and a culture method thereof. A farming device, comprising: the culture container is used for storing culture water for culture; and the communicating containers are connected in parallel and/or in series through the communicating containers, the liquid level of the communicating containers is not lower than that of the cultivating containers, and the communicating containers are used for controlling the water pressure of the cultivating water body in the cultivating containers. The culture device provided by the invention can realize high-density culture, and has the advantages of good water body fluidity, less water consumption, easy water body treatment, low cost and simple construction.

Description

Breeding device, breeding system and breeding method thereof

Technical Field

The invention relates to aquaculture, in particular to a culture device, a culture system and a culture method thereof.

Background

The aquaculture industry is one of the important prop industries in the fishery field of China, and most of economic fishes and shrimps in China are mainly cultured in ponds at present, and mainly cultured in outer ponds, cultured in canvas ponds and cultured in cement ponds.

The disadvantages of pond culture:

1. water is not saved and a huge amount of water is needed. For example, a circular culture pond with a 6 m diameter water depth of 1.5 m requires about 42 tons of water; a square cement pond with 10 meters side and 1.5 meters depth requires about 150 tons of water.

2. The water in the pond is non-flowing or slow flowing. The method prolongs the retention time of the residual bait excrement in the aquaculture water body, increases the melting amount of the residual bait excrement in the aquaculture water body, aggravates water body pollution, generates harmful toxin, quickly deteriorates the water body environment, restricts the growth of aquaculture organisms, and reduces the yield.

Effective water flow cannot be formed in the culture pond, and the water quality cannot be fundamentally improved. Therefore, the traditional culture method of the culture pond has slow water flow and quick water pollution, and is more and more difficult to adapt to modern high-density culture.

Disclosure of Invention

In order to solve the problems, the invention provides a culture device which has good fluidity and can carry out high-density culture, and the specific technical scheme is as follows:

a farming device, comprising: the culture container is used for storing culture water bodies for culture; and the communicating containers are connected in parallel and/or in series through the communicating containers, the liquid level of the communicating containers is not lower than that of the cultivating containers, and the communicating containers are used for controlling the water pressure of the cultivating water body in the cultivating containers.

Preferably, be equipped with air chamber and breed water cavity in the breed container, the air chamber is located breed water cavity's top, breed water cavity with the intercommunication container communicates with each other.

Preferably, the top of breeding the container is equipped with the shrouding, the shrouding with breed the top of container and form the air cavity, be equipped with on the shrouding with the communicating air vent of air cavity.

Wherein, the volume of the air cavity is 5-50% of the culture container.

Preferably, the method further comprises the following steps: the functional wire is movably inserted in the culture container and the communicating container; the cleaning device is arranged in the culture container, is connected with the functional wire and is used for cleaning the culture container; or the fishing net is connected with the functional wire and used for fishing.

Preferably, a fish blocking net is arranged at the communication part of the culture water cavity and the communicating container.

Preferably, the method further comprises the following steps: the operation window is hermetically arranged on the culture container.

Preferably, the cultivation container also comprises a feeding pipe, and the feeding pipe is communicated with the cultivation container.

Preferably, the culture container is a transparent container, a semitransparent container or an opaque container.

Further, still include dimming device, dimming device installs breed on the container, or set up breed the top of container.

A farming system, comprising: the culture device is characterized in that; and the water filtration circulation module, the water filtration circulation module with the intercommunication container is connected for handle the aquaculture water body in breeding the water cavity, the water filtration circulation module includes: the sedimentation and filtration tank is used for filtering solid matters; the decomposition treatment tank is communicated with the sedimentation and filtration tank and is provided with EM (effective microorganisms) and algae; and the regulating tank is communicated with the decomposition treatment tank and is used for regulating the water quality.

Preferably, omnivorous fishes and/or filter-feeding fishes are cultured in the sedimentation and filtration tank.

Preferably, the method further comprises the following steps: the hydroponic vegetable planting panel is located between the decomposition treatment pool and the adjusting pool, and water treated by the decomposition treatment pool enters the adjusting pool through the hydroponic vegetable planting panel.

A cultivation method for a cultivation system, characterized in that,

s10, adding the aquaculture water body treated by the water filtration and circulation module into the aquaculture container through the communicating container, and adjusting the flow rate of the aquaculture water body through the water filtration and circulation module;

s20, putting the fry into the culture container through the communicating container;

s30, feeding feed into the culture container through the communicating container or the feeding pipeline;

s40, discharging residual feed and fish excretion to the sedimentation and filtration tank along with the culture water body for treatment in the culture process, culturing omnivorous fishes such as loaches or filter-feeding fishes in the sedimentation and filtration tank, and taking residual bait and fish feces discharged from the culture container as food for the cultured fishes;

s50, enabling the aquaculture water treated by the sedimentation and filtration tank to enter a decomposition treatment tank, decomposing organic matters in the aquaculture water through the respiration of EM (effective microorganisms) and algae plants, and activating the water quality;

s60, the decomposed aquaculture water enters a regulating reservoir, and the water quality is regulated according to the aquaculture requirement to reach the standard of aquaculture water;

s70, returning the aquaculture water body treated by the adjusting pond to the aquaculture container;

and S80, screening the fishes through the catching net arranged on the functional line when the bred fishes reach the market standard, driving the fishes into the communicating container, and pulling the catching net in the communicating container for catching.

Compared with the prior art, the invention has the following beneficial effects:

the culture device provided by the invention can realize high-density culture, and has the advantages of good water body fluidity, less water consumption, easy water body treatment, low cost and simple construction.

Drawings

FIG. 1 is a schematic structural view of a cultivation apparatus;

FIG. 2 is a schematic structural view of a culture container;

FIG. 3 is a cross-sectional view of a farming container;

FIG. 4 is a schematic structural view of a farming system;

fig. 5 is a block diagram of a water filtration cycle module.

Detailed Description

The invention will now be further described with reference to the accompanying drawings.

Example one

As shown in fig. 1 to 3, a cultivation device comprises a plurality of cultivation containers 1 and a communication container 3, wherein the cultivation containers 1 are used for storing cultivation water bodies for cultivation; the plurality of culture containers 1 are connected in parallel and/or in series through the plurality of communicating containers 3, the liquid level of the communicating containers 3 is not lower than that of the culture containers 1, and the communicating containers 3 are used for controlling the water pressure of the culture water bodies of the culture containers 1.

The culture container 1 and the communicating container 3 can both adopt pipes, and the pipes are convenient to process and low in cost. The pipe can be a hose or a hard pipe. The tube is mainly a transparent tube or a semitransparent tube and is used for transmitting light. Also can be made of opaque materials according to the culture requirements.

When a tubular container is adopted, the communicating container 3 is vertically arranged, the bottom of the communicating container 3 is sealed, the top of the communicating container is opened, the breeding container 1 is horizontally arranged, two ends of the breeding container 1 are opened, wherein the breeding container 1 is communicated with the communicating container 3, and the two ends of the breeding container 1 are both provided with the communicating container 3. Breed container 1 and can the annular set up, also can enclose city polygon etc. breed the shape in 1 encloses the city and can adjust according to the place. Breed and can set up side by side through communicating container 3 between the container 1, also can establish ties through communicating container 3 and set up, breed container 1 and can all be located same horizontal plane, breed container 1 and can also follow vertical direction stack, realize three-dimensional breed.

The culture container 1 is mainly used for bearing culture water for culture. The culture container 1 is used for forming an aquaculture environment, and bottom sand stones and the like can be arranged inside the culture container. Adopt hyaline tube or translucent tube can realize illumination, be convenient for simultaneously observe the breed condition, effectively solved and can't learn the inside condition in pond among the current breed, can observe the inside breed condition in real time through transparent breed pipe, this kind of observation is irrelevant with the depth of water, can in time discover the unusual of breed, realizes the real-time tracking of breed.

The light transmittance of the culture container 1 can be set through the light adjusting device according to the culture depth, so that the simulation of the culture environment is realized, and the over-strong light is avoided during deep-water culture. The two ends of the culture container 1 are provided with openings and are connected with the communicating container 3, water flows in from one end, and flows out from the other end, so that the flow of the water body is realized.

Wherein, light adjusting device is the sunshade net, can set up the light transmissivity of sunshade net as required, then wraps up the sunshade net on breed container 1, or erects the top at breed container 1.

The water level of the communicating vessel 3 may be higher than the water level of the cultivating vessel 1, so that the control of the water pressure is realized, for example, the water is filled in the communicating vessel 3 to a depth of 1.5 meters, the water pressure in the cultivating vessel 1 at the bottom of the communicating vessel 3 has a water pressure of 1.5 meters, and the control of the water pressure is realized, but the water amount in the cultivating vessel 1 is far less than that of the pool with a depth of 1.5 meters, and the water amount in the cultivating vessel 1 is related to the diameter and the length of the cultivating vessel 1. The diameter of the culture container 1 can be between several centimeters and dozens of centimeters, and can also be more than 1 meter, and the length is set according to the requirement. Can be used as a container for breeding ornamental fishes, can also be used for displaying catering aquatic products and culturing batch aquaculture products.

The total amount of the aquaculture water body is greatly reduced, so that the aquaculture water body is convenient to circulate, and the cost of aquaculture water body circulation is greatly reduced. Form a flowing water body, and easily control the flow rate of the water body, thereby improving the culture effect and being capable of carrying out high-density culture.

The communicating container 3 adjusts the relative water pressure and the relative water depth of the cultivating container 1 through the height of the liquid level, so that the deep-water fish can be conveniently cultivated, and meanwhile, the communicating container 3 is also an inlet and an outlet of the cultivating container 1 and is used for adding a cultivating water body, adding fish fries, cleaning the cultivating container 1, putting in feed and the like.

The cross section of the culture container 1 is circular, namely, a circular tube, and the circular tube has no dead angle and is convenient to clean. The cross section of the culture container 1 can also be oval or polygonal.

The culture container 1 can be a hard pipe or a soft pipe and is arranged according to the culture requirement.

When the hose is adopted, the hose can be flattened due to gravity when being horizontally placed, and two ends of the hose are respectively pulled outwards by one fastening ring, so that the hose can keep a circular tube shape.

In order to control the culture amount of each culture container 1 and prevent aquatic products among the culture containers 1 from moving mutually, a fish blocking net 15 can be arranged at the communication part of the culture containers 1 and the communication container 3.

In order to conveniently throw the feed, the feed throwing device also comprises a feed throwing pipe 17, wherein the feed throwing pipe 17 is communicated with the culture container 1 and is used for throwing the feed and the like into the culture container 1. The height of the feeding pipe 17 is the same as that of the communicating container 3, or is higher than the water depth of the culture container 1.

The inside cleaning ring that is equipped with of pipy breed container 1, cleaning ring installs on functional line 12, and functional line 12 passes breed container 1 and intercommunication container 3, and both ends are located the outside, conveniently stimulate cleaning ring and remove to realize the cleanness of body inner wall. The inner wall of the tube body can be cleaned by other cleaning devices to prevent moss and the like.

The most common activities for cultivating fish are feeding, fishing out dead fish, putting fry, fishing, etc. In order to facilitate the above operation, the operation window 18 can be arranged on the culture tube, corresponding operation can be performed by the operation window 18 penetrating into the culture container 1 through the built-in gloves, and the operation window 18 can form a middle cavity, so that the operation is convenient. The access window 18 is configured to resemble a clean room transfer window and may be easily opened and closed.

When fishing the fish, the corresponding net is selected according to the size of the fish, and then the fish is dragged through the functional line 12, so that the fish can be fished, and the fish can also be fished through the operation window 18.

Example two

On the basis of the first embodiment, as shown in fig. 1 to 3, an air chamber 13 and a culture water chamber 14 are arranged in the culture container 1, the air chamber 13 is located above the culture water chamber 14, the culture water chamber 14 is communicated with the communication container 3, and the communication container 3 is used for controlling the relative water pressure of the culture water chamber 14. The top of breeding container 1 is equipped with shrouding 11, and shrouding 11 forms air chamber 13 with the top of breeding container 1, is equipped with on the shrouding 11 with the communicating air vent 111 in air chamber 13, air vent 111 is used for adjusting the height of the interior water level of air chamber 13.

Air layer in the culture container 1 is formed in the air cavity 13, so that the ventilation of fish is facilitated, and the environment of a pond can be simulated. The air can flow in and out of the tube, not only the culture water body is sealed in the culture tube, but also the air is sealed and managed, and the whole culture environment is placed in a controllable range. The air of the air chamber 13 is injected and ventilated by an air pump.

The volume of the air cavity 13 is 5-50% of the culture container 1.

When the cultivation device is put into use, firstly, seedlings are put into the cultivation container 1 from the opening at the top of the communicating container 3 and are cultivated, the fish blocking nets 15 at two ends of the cultivation container 1 ensure that the seedlings are cultivated in the cultivation container 1, and the water pressure in the cultivation container 1 is controlled by controlling the water level in the communicating container 3, so that deep water cultivation can be carried out; the method comprises the following steps that feed is put into a culture container 1 in the culture process, wherein floating feed floats on the water surface of the culture container 1 to facilitate fish to take the feed, a cleaning ring is embedded in the inner wall of the culture container 1 and fixed on a functional wire 12 which is annularly arranged, and the cleaning ring moves along the axial direction of the tubular culture container 1 to clean the inner wall of a pipe; during harvesting, the fish is screened by the catching net arranged on the functional line 12, the fish is driven into the communicating container 3, and the catching net is pulled in the communicating container 3 for catching.

Compared with the traditional culture pond, the aquaculture device in the embodiment is formed by combining a plurality of culture containers 1 in series or in parallel or in an up-and-down multilayer three-dimensional structure, has the main function of providing a growth environment for high-density culture of aquatic products, has complete culture pipe functions, produces less culture water, has good water quality and is suitable for high-density culture.

EXAMPLE III

As shown in fig. 4 and 5, a farming system includes: a water filtration and circulation module 4, the water filtration and circulation module 4 is connected with a communicating container 3 for treating water in a culture water cavity 14.

The water filtration circulation module 4 comprises a precipitation filtration tank 41, a decomposition treatment tank 42 and a regulating tank 43 which are communicated in sequence, wherein the precipitation filtration tank 41 is used for filtering solid matters; the decomposition treatment tank 42 is used for EM bacteria and algae treatment; the adjusting tank 43 is communicated with the decomposition treatment tank 42 and is used for adjusting the water quality.

One or more water filtration circulation modules 4 may be provided as needed.

As shown in FIG. 4, a culture apparatus is composed of three culture containers 1 and three communicating containers 3, wherein a first culture container 101 is used for culturing large fishes such as weever, and a second culture container 102 and a third culture container 103 are used for culturing small aquatic products such as loaches. Both ends of the first culture container 101 are connected with a first communicating container 301 and a second communicating container 302, the second culture container 102 and the third culture container 103 are arranged in parallel, and both ends are connected with the second communicating container 302 and the third communicating container 303 respectively. After the water is injected, the water level of the communicating container 3 is regulated and controlled to reach 1.2 meters.

The water filtering and circulating module 4 is composed of a plurality of treatment pools, is mainly used for treating aquaculture water, is treated by methods of animals, plants, microorganisms, physics or chemistry and the like, is subjected to oxygenation, heating, adding new water, adding trace elements, adding health products, medicaments and the like, finally generates water suitable for growth of aquaculture, and is conveyed into the aquaculture container 1 again for recycling.

As shown in fig. 5, the water filtration circulation module 4 includes a sedimentation filtration tank 41, a decomposition treatment tank 42, and a regulation tank 43, which are connected in this order.

The sedimentation filter tank 41 is internally provided with a filter stone containing nitrobacteria and a micro-filter for separating solid matters in water. The pond can be used for culturing omnivorous fishes or filter-feeding fishes such as loaches, tilapia and the like, the cultured fishes do not need to be fed, and the residual baits and fish dung are mainly used as foods, so that the water treatment amount and the cost are reduced, and the economic benefit is increased.

The decomposition treatment tank 42 mainly contains EM bacteria and algae. The LED lamp is arranged above the pool and is mainly used for controlling the illumination intensity and facilitating the digestion and absorption of fungi and algae.

The adjusting tank 43 is provided with an oxygenation device, a heating temperature control device, a pH value adjusting device and a water quality detecting device, and is added with a proper amount of microorganisms, mineral substances, health products, medicaments, disinfectors and the like and a proper amount of fresh water to form a new aquaculture water body which is conveyed into the aquaculture container 1 again for recycling. An ozone sterilization device may also be present in the conditioning tank 43.

A hydroponic vegetable planting plate area 44 can be arranged between the decomposition treatment tank 42 and the adjusting tank 43, and the growth of plants is utilized to purify the water quality, so that the economic benefit is increased.

Compared with the existing pond culture, the method has the following advantages:

1. according to the invention, the tubular culture container 1 is used as a culture carrier, the control of the relative water pressure of the culture container is realized through the tubular communicating container 3, the traditional culture method using a pond as the culture carrier is broken through, the culture container 1 is small in diameter and is in a closed design, is sensitive to water flow, and the small water flow can enable the water in the whole pipeline to flow to obtain a larger flow, activate the water quality, avoid the water quality deterioration and increase the vitality of aquatic products.

2. The culture container 1 uses less water, has high flowing speed, the culture excrement in the culture container 1 is easier to discharge, more fishes can be cultured by using less water, the culture density is high and can reach 3 to 5 times of the existing high-density culture, and the culture mode can be called as an ultrahigh-density culture mode.

3. The aquaculture water body is put in the communicating container 3, the pressure of the aquaculture water body in the aquaculture container 1 can be controlled by controlling the liquid level in the communicating container 3, different water depth environments are easy to build, and the aquaculture water body is suitable for living spaces of different fishes.

4. The culture container 1 is divided into an upper-layer air cavity 13 and a lower-layer culture water cavity 14, and the air cavity 13 and the culture water body are both in artificial controllable states; the oxygen concentration and the carbon dioxide concentration of the air can be automatically detected and controlled.

5. In the culture process, the fed feed is fed into the culture container 1, and the feed floats in the air cavity 13 of the culture container 1, so that the fish can conveniently eat the feed, and the waste of the feed is reduced; meanwhile, the pollution of organic matters in the culture process is reduced, and the zero discharge of culture wastewater and wastes is realized through a water filtration circulation mode, so that the quality safety of aquatic products is ensured, and the ecological benefit is obvious.

6. The method can be used for industrial culture, the environment of cultured organisms is controllable, the cultured organisms can be copied and easily popularized, the method is particularly suitable for fishery development in inland mountainous regions, culture equipment can be migrated, the construction cost is low, and zero emission of a culture water body is realized; the automation, the intellectualization and the standardization are easy, the operation is easy, and the manual labor is saved; the culture system can realize temperature control, light control, pressure control and flow rate control, culture all the year round, is not influenced by the external environment, occupies less land in culture areas, does not need to newly dig fishponds, and does not change the original land and landform and application.

Example four

A cultivation method of a cultivation system comprises the following steps:

s10, adding the aquaculture water processed by the water filtration and circulation module 4 into the aquaculture container 1 through the communicating container 3, and adjusting the flow rate of the aquaculture water through the water filtration and circulation module 4;

s20, putting the fry into the culture container 1 through the communicating container 3;

s30, feeding feed into the culture container 1 through the communicating container 3 or the feeding pipe 17;

s40, discharging the residual feed and fish excreta in the culture process to a precipitation filter tank 41 along with the culture water body for treatment, culturing omnivorous fishes or filter-feeding fishes such as loaches in the precipitation filter tank 41, wherein the cultured fishes take the residual feed and fish dung discharged by the culture container 1 as food;

s50, enabling the aquaculture water treated by the sedimentation and filtration tank 41 to enter a decomposition treatment tank 42, decomposing organic matters in the aquaculture water through the respiration of EM (effective microorganisms) and algae plants, and activating the water quality;

s60, the decomposed aquaculture water body enters a regulating reservoir 43, and the water quality is regulated according to the aquaculture requirement to reach the standard of the aquaculture water body;

s70, returning the aquaculture water body treated by the adjusting tank 43 to the aquaculture container 1;

s80, when the raised fish reaches the market standard, the fish is screened through the catching net arranged on the functional line 12, the fish is driven into the communicating container 3, and the catching net is pulled in the communicating container 3 for catching.

The system and the method are favorable for stably improving the economic benefit of cultivation production, can avoid the complicated purification and circulation process of the cultivation water body, greatly reduce the investment and the operation and management cost of cultivation facilities, realize zero emission of the water body in the cultivation process, are favorable for saving water resources and protecting the environment, and have good popularization and application prospects.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.

Claims

1. A farming device, comprising:

the cultivation container (1) is used for storing cultivation water for cultivation; and

the aquaculture device comprises a communicating container (3), wherein the aquaculture container (1) is connected in parallel and/or in series through the communicating container (3), the liquid level of the communicating container (3) is not lower than that of the aquaculture container (1), and the communicating container (3) is used for controlling the water pressure of an aquaculture water body in the aquaculture container (1).

2. A cultivating device according to claim 1, characterised in that an air chamber (13) and a cultivating water chamber (14) are arranged in the cultivating container (1), the air chamber (13) is located above the cultivating water chamber (14), and the cultivating water chamber (14) is communicated with the communicating container (3).

3. A cultivating device according to claim 2, characterised in that a sealing plate (11) is arranged on the top of the cultivating container (1), the sealing plate (11) and the top of the cultivating container (1) form an air cavity (13), and the sealing plate (11) is provided with a vent hole (111) communicated with the air cavity (13).

4. A cultivating device according to claim 2, characterised in that the volume of the air chamber (13) is 5-50% of the cultivating container (1).

5. The farming device of claim 2, further comprising:

the functional wire (12), the said functional wire (12) is inserted in the said culture container (1) and said communicating vessel (3) movably; and

a cleaning device mounted inside the culture container (1) and connected with the function wire (12) for cleaning the culture container (1); or

The fishing net is connected with the functional line (12) and used for fishing.

6. A cultivating device according to claim 2, characterised in that a fish blocking net (15) is arranged at the place where the cultivating water cavity (14) is communicated with the communicating container (3).

7. A cultivating device according to any one of claims 1-6, further comprising: the operation window (18), the operation window (18) is installed on the culture container (1) in a sealing mode.

8. A cultivating device according to any one of claims 1-6, characterised in that it also comprises a feed pipe (17), said feed pipe (17) communicating with the cultivating container (1).

9. A cultivating device according to any one of claims 1-6, characterised in that the cultivating container (1) is a transparent, translucent or opaque container.

10. A cultivating device according to claim 9, characterised in that it also comprises a light-regulating device which is mounted on the cultivating container (1) or is arranged above the cultivating container (1).

11. A cultivating device according to any one of claims 1-6, characterised in that the cultivating container (1) is a hose or a pipe.

12. A farming system, comprising:

a farming plant according to any one of claims 1 to 11; and

water filtration cycle module (4), water filtration cycle module (4) with intercommunication container (3) are connected for handle the aquaculture water body in aquaculture water chamber (14), water filtration cycle module (4) include:

a sedimentation and filtration tank (41), wherein the sedimentation and filtration tank (41) is used for filtering solid matters;

the decomposition treatment pool (42) is communicated with the sedimentation filter pool (41) and is provided with EM bacteria and algae; and

and the adjusting tank (43) is communicated with the decomposition treatment tank (42) and is used for adjusting the water quality.

13. A culture system according to claim 12, characterized in that the sedimentation filter tank (41) is used for growing omnivorous and/or filter-feeding fish.

14. The farming system of claim 12, further comprising: the hydroponic vegetable planting plate area (44) is positioned between the decomposition treatment tank (42) and the adjusting tank (43), and water treated by the decomposition treatment tank (42) enters the adjusting tank (43) through the hydroponic vegetable planting plate area (44).

15. A culture method for a culture system according to claim 11,

s10, adding the aquaculture water treated by the water filtration and circulation module (4) into the aquaculture container (1) through the communicating container (3), and adjusting the flow rate of the aquaculture water through the water filtration and circulation module (4);

s20, putting the fry into the culture container (1) through the communicating container (3);

s30, feeding feed into the culture container (1) through the communicating container (3) or the feeding pipe (17);

s40, discharging residual feed and fish excretion to the precipitation filter tank (41) along with the culture water body for treatment in the culture process, culturing omnivorous fishes such as loaches or filter-feeding fishes in the precipitation filter tank (41), and taking residual bait and fish feces discharged by the culture container (1) as food for the cultured fishes;

s50, enabling the aquaculture water treated by the sedimentation and filtration tank (41) to enter a decomposition treatment tank (42), decomposing organic matters in the aquaculture water through the respiration of EM (effective microorganisms) and algae plants, and activating water quality;

s60, the decomposed aquaculture water body enters a regulating reservoir (43), and the water quality is regulated according to the aquaculture requirement to reach the standard of the aquaculture water body;

s70, returning the aquaculture water body treated by the adjusting pond (43) to the aquaculture container (1);

s80, when the raised fishes reach the market standard, the fishes are screened through the catching net arranged on the functional line (12), the fishes are driven into the communicating container (3), and the catching net is pulled in the communicating container (3) for catching.