CN115500307A - Tubular high-density culture system and culture method thereof - Google Patents

Abstract

The invention relates to an aquaculture device, in particular to a tubular high-density aquaculture system, which comprises: the aquaculture pipes are provided with a plurality of aquaculture pipes and are used for aquaculture of aquatic products; the plurality of separation nets are arranged and are arranged at the end parts of the culture pipes; the culture ponds are provided with a plurality of culture pipes and are connected with the culture pipes and used for connecting the culture pipes in series and/or in parallel; and the aeration pipe is arranged in the culture pipe and/or the culture pond. According to the tubular high-density culture system provided by the invention, the circulation and treatment of the culture water are realized through the water circulation treatment device, the culture water can keep a proper oxygen content, the rapid purification of the culture water is realized, and the smooth proceeding of high-density culture is further ensured.

Description

Tubular high-density culture system and culture method thereof

Technical Field

The invention relates to an aquaculture device, in particular to a tubular high-density aquaculture system and an aquaculture method thereof.

Background

With the continuous development of industrial aquaculture aquatic products, the demand of people for various aquatic products is continuously increased, and industrial large-scale aquaculture ponds are more and more.

The high-density circulating water culture is the most advanced aquaculture mode at present, and has the advantages of high culture density, small occupied area, small influence by natural environment, water resource saving, no pollution to ecological environment, few plant diseases and insect pests, high input and high output and the like.

However, due to the high culture density, a large amount of excrement is discharged after the fish eats, the content of ammonia nitrogen and nitrite in the water body is too high, the water quality is deteriorated quickly, the aquaculture water body needs to be collected and treated when the circulating water is used for aquaculture, and if the aquaculture water body is not purified quickly, the fish can be ill or dead.

Disclosure of Invention

In order to solve the problems, the invention provides a tubular high-density culture system capable of quickly and continuously circularly purifying a water body, and the specific technical scheme is as follows:

a tubular high-density farming system, comprising: the aquaculture pipes are arranged and used for aquaculture of aquatic products; the plurality of the isolating nets are arranged at the end parts of the culture pipes and are used for dividing a plurality of culture water areas to culture aquatic products and providing large and small mixed culture and/or variety mixed culture; the culture ponds are provided with a plurality of culture pipes and are connected with the culture pipes and used for connecting the culture pipes in series and/or in parallel; and the aeration pipe is arranged in the culture pipe and/or the culture pond and is used for providing dissolved oxygen required by aquatic products.

Preferably, the culture pond comprises: the water inlet pool is connected with the first culture pipe at the end part and is used for feeding water; the circulating pool is connected with the culture pipes at two ends, so that the culture pipes at the end parts are connected in series; the connecting pond is connected with the middle culture pipes to connect the middle culture pipes in series; and the water outlet pool is connected with the last culture pipe at the end part and is used for discharging water.

Preferably, the culture pond comprises: the water inlet pool is connected with the first culture pipe and is used for feeding water; the circulating tank is connected with the culture pipes so that the culture pipes are sequentially connected in series; and the water outlet pool is connected with the last culture pipe and is used for discharging water.

Preferably, the method further comprises the following steps: the water circulation treatment device comprises a microfiltration device, the microfiltration device comprises a microfiltration machine, and the microfiltration machine is connected with the water inlet pool and/or the water outlet pool and is used for separating solid wastes in the aquaculture water.

Furthermore, the microfiltration device also comprises a microfiltration mesh bag, and the microfiltration mesh bag is connected with the microfiltration machine.

Further, the water circulation treatment device further comprises: the first purifying pond adopts anaerobic bacteria to purify culture water, and is connected with the microfiltration device; the second purifying pond is respectively connected with the first purifying pond and the culture pond, aerobic bacteria and algae are adopted to purify culture water, and the second purifying pond is also used for adding dynamic maintenance products and regulating and controlling the pH, oxygen content and temperature of a water body; and the third purifying tank is connected with the second purifying tank and is used for replacing the water body of the second purifying tank and regulating and controlling the pH, oxygen content and temperature of the water body.

Preferably, the method further comprises the following steps: the hydroponic vegetable pond is provided with a plurality of hydroponic vegetable ponds which are connected in series or in parallel, the inlet of the hydroponic vegetable pond is connected with the water circulation treatment device, and the outlet of the hydroponic vegetable pond is connected with the water inlet of the culture pond.

Preferably, the water circulation treatment device further comprises: the pond, the pond is no less than one, the pond passes through the microfiltration device with the breed pond is connected, will breed intraductal breed water with breed water in the pond purifies the circulation.

Furthermore, the culture system comprises a plurality of layers, the culture systems are sequentially stacked, culture pipes of two adjacent layers of culture systems are mutually perpendicular, the culture system on the upper layer does not cover the culture pond of the culture system on the lower layer, the culture pipes of each layer of culture system are arranged in parallel, and two ends of each culture system are respectively communicated through the culture pond and the elbow.

Preferably, the culture system is provided with a plurality of layers, the culture systems are sequentially stacked, and the culture system on the upper layer is positioned between the culture ponds at two ends of the culture system on the lower layer.

A method of farming for a tubular high-density farming system, comprising the steps of:

the number of the culture ponds is not less than three, the culture pipes are arranged, and the culture ponds are connected with the culture pipes to realize the series connection of the culture pipes;

at least two partition nets are arranged and used for dividing the plurality of culture pipes into at least three culture water areas, and the at least three culture water areas are used for carrying out size mixed culture of aquatic products;

the aquatic products are cultured in at least three culture water areas from small to large in sequence according to the water flow direction, and enter the next culture water area in sequence according to the sizes of the aquatic products, and the largest aquatic product is caught.

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

according to the tubular high-density culture system provided by the invention, the circulation and treatment of the culture water are realized through the water circulation treatment device, the culture water can keep a proper oxygen content, the rapid purification of the culture water is realized, and the smooth proceeding of high-density culture is further ensured.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural view of the second embodiment;

FIG. 3 is a schematic structural view of the third embodiment;

FIG. 4 is a schematic structural view of the fourth embodiment;

FIG. 5 is a schematic structural view of the fifth embodiment;

FIG. 6 is a schematic structural view of the sixth embodiment.

Detailed Description

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

Example one

As shown in figure 1, the tubular high-density culture system comprises a culture pond, a culture pipe 1, a separation net, a water circulation treatment device and an aeration pipe.

The culture tube 1 is used for providing living space for culturing aquatic products. The culture pond is used for providing a window for culture operations such as feeding of feed, aquatic product fishing, water level adjustment, dead fish cleaning or dynamic maintenance product addition. The aeration pipe is used for providing dissolved oxygen required by aquatic products. The partition net is arranged at the port of the culture pipe 1 and is used for dividing a plurality of culture water areas to culture aquatic products and carrying out size mixed culture and/or variety mixed culture.

The culture pond comprises a water inlet pond 21, a circulating pond 22, a connecting pond 24 and a water outlet pond 23, wherein the water inlet pond 21 is connected with the first culture pipe 1 at the end part and is used for water inlet; the circulating pool 22 is connected with the culture pipes 1 at two ends, so that the culture pipes 1 at the end parts are connected in series; the connecting pond 24 is connected with the middle culture pipe 1, so that the middle culture pipes 1 are connected in series; the water outlet tank 23 is connected with the last culture pipe 1 at the end part for water outlet.

Water cycle processing apparatus, water cycle processing apparatus include micro-filtration device 4, and micro-filtration device 4 includes the microstrainer, and the microstrainer is connected with intake chamber 21 and play water pond 23 for solid waste such as the incomplete bait excrement and urine of separation aquaculture water. In order to further improve the filtering effect, the microfiltration device also comprises a microfiltration mesh bag, and the microfiltration mesh bag is connected with the microfiltration machine and is used for further filtering the culture water filtered by the microfiltration machine. A water pump can be added between the microfiltration net bag and the microfiltration machine and is used for ensuring the speed of water flow.

The aeration pipe is installed in breeding pipe 1 and breeding pond for the aeration improves the oxygen content of breeding water.

The culture pond is a canvas pond, the length, the width and the height of the canvas pond are 2 multiplied by 1.5m, and the upper part of the canvas pond is open. The canvas pool is simple to build.

The culture pipes 1 are connected in series in sequence, that is, the culture pipes 1 are connected with the water inlet tank 21, the connecting tank 24, the circulating tank 22 and the water outlet tank 23 in sequence.

The circulation of the culture water is realized through the water pump, and the filtration of the water body is realized through the microfiltration device.

Example two

As shown in fig. 2, the present embodiment is different from the first embodiment in that the water circulation treatment device further includes a first purification tank 51, a second purification tank 52, and a third purification tank 53.

The first purifying tank 51 purifies the culture water by anaerobic bacteria; the second purifying pond 52 is connected with the first purifying pond 51, the second purifying pond 52 adopts aerobic bacteria and algae to purify culture water, and is also used for adding a dynamic maintenance medicament and regulating and controlling the pH, the oxygen content and the temperature of a water body, the third purifying pond 53 is connected with the second purifying pond 52, and the third purifying pond 53 is used for replacing the water body of the second purifying pond 52.

The purification tank is a canvas tank with the diameter of 4m, the water quality is purified by microorganisms such as fungi, algae and the like, and the water quality can be adjusted by chemical agents to achieve the circulation of the aquaculture water body.

The aquaculture water flowing out of the water outlet tank 23 passes through the microfiltration device 4, enters the first purification tank 51, then flows into the second purification tank 52, and can be added with dynamic and protective agents and the like, and then flows into the water inlet tank 21.

The third purification tank 53 is a spare water tank, and can provide a replacement water body for the second purification tank 52, so that the content of ammoniacal nitrogen sulfite in the aquaculture water body can be reduced, the pH, the oxygen content, the temperature and the like of the water body can be regulated and controlled, and the water quality can be activated in an emergency.

EXAMPLE III

As shown in fig. 3, the present embodiment is different from the first embodiment in that the water circulation treatment device of the present embodiment includes not less than one pond 6.

The external pond 6 of one mu is adopted, plants such as lotus, waterweeds and the like are planted in the external pond to purify water quality, and different fishes are mixedly cultured in the external pond to digest and absorb residual bait and excrement so as to purify culture water;

the aquaculture water flowing out of the water outlet pool 23 enters the pond 6 after passing through the micro-filtration device 4, the water quality is purified by animals and plants in the pond 6, the ammonia nitrogen sulfite in the water body is reduced, the residual bait and excrement are digested and absorbed, and the water in the pond 6 is filtered by the micro-filtration machine and then is sent into the water inlet pool 21. About 24 tons of water in the culture pond and about 1000 tons of water in the pond with 1 mu outside are enough to achieve the function of purifying water quality.

Example four

As shown in fig. 4, in addition to any of the above embodiments, the device further comprises three hydroponic vegetable pools 3, the three hydroponic vegetable pools 3 are connected in series, the inlet of the hydroponic vegetable pool 3 is connected with the microfiltration device 4, and the outlet of the hydroponic vegetable pool 3 is connected with the water inlet pool 21.

The aquaculture water flowing out of the water outlet pool 23 passes through the microfiltration device 4 and then enters the first water-ploughing vegetable area 31, then flows into the second area 32 from the first area, and then flows into the third area 33 from the second area 32; and finally from the third zone 33 into the inlet sump 21.

And forming a double-layer circulating water culture mode through a hydroponic vegetable circulating water filtration mode.

EXAMPLE five

The culture systems are provided with a plurality of layers which are sequentially overlapped, and the culture system on the upper layer is positioned between the culture ponds at the two ends of the culture system on the lower layer.

Carrying out mariculture in a mode of combining a culture pipe and a canvas pool; can be divided into three-dimensional three-layer cultivation;

a first layer: four breed pipes 1, every pipeline is length 30m, and every breed pipe 1 is connected by 5 internal diameters for the long 6 m's of 50cm hard tubes and is formed, and four breed pipes of first layer deposit 20 tons of breed water altogether, place side by side, and the left and right sides is connected with two canvas ponds, and canvas Chi Changkuan is high: 2m is multiplied by 1.8m, four runways with the width of 50cm are arranged inside the runways, and holes are formed inside the runways, so that four pipeline aquaculture water bodies are connected in series for circulation; one end of the first layer is provided with a water inlet tank 21, a circulating tank 22 and a water outlet tank 23, and the other end is provided with two circulating tanks 22.

A second layer: four breed pipes 1, every pipeline is length 24m, and every breed pipe 1 is connected by 4 internal diameters for the long 6 m's of 50cm hard tubes and is formed, and four breed pipes on second floor deposit 16 tons of breed water altogether, place side by side, and the left and right sides is connected with two canvas ponds, and canvas Chi Changkuan is high: 2m is multiplied by 1.3m, four runways with the width of 50cm are arranged inside the runways, and holes are formed inside the runways, so that four pipeline aquaculture water bodies are connected in series for circulation; one end of the second layer is provided with a water inlet tank 21, a circulating tank 22 and a water outlet tank 23, and the other end is provided with two circulating tanks 22.

And a third layer: four breed pipes 1, every pipeline is length 18m, and every breed pipe 1 is connected by 3 internal diameters for the long 6 m's of 50cm hard tubes and is formed, and four breed pipes of third layer deposit 12 tons of breed water altogether, place side by side, and the left and right sides is connected with two canvas ponds, and canvas Chi Changkuan is high: 2m is multiplied by 0.8m, four runways with the width of 50cm are arranged inside the runways, and holes are formed inside the runways, so that four pipeline aquaculture water bodies are connected in series for circulation; one end of the third layer is provided with a water inlet tank 21, a circulating tank 22 and a water outlet tank 23, and the other end is provided with two circulating tanks 22.

A culture mode:

the seawater in the external sea is pumped into the water inlet pool 21 of the third layer by the water pump, the seawater sequentially passes through the culture pipe 1, the circulating pool 22 and the water outlet pool 23 and then enters the water inlet pool 21 of the second layer, the seawater sequentially passes through the culture pipe 1, the circulating pool 22 and the water outlet pool 23 of the second layer and then enters the water inlet pool 21 of the first layer, and the seawater sequentially passes through the culture pipe 1, the circulating pool 22 and the water outlet pool 23 of the first layer and then returns to the sea. Wherein, the effluent pool 23 of the first layer is provided with a micro-filter, after separating the residual bait and excrement, the water body flows into the sea.

EXAMPLE six

The method of combining the culture pipe 1 and the canvas pond is adopted for circulating water culture: the culture system comprises a plurality of layers, the culture systems are horizontally overlapped in sequence, the culture pipes 1 of the adjacent two layers of culture systems are perpendicular to each other, the culture pond of the culture system of the lower layer is not covered by the culture system of the upper layer, the culture pipes 1 of the culture systems of each layer are arranged in parallel, and two ends of each culture system are communicated with each other through the culture pond and the elbow.

Specifically, three-dimensional multi-layer cultivation is adopted; a first layer: the method comprises the following steps that (1) 16 culture pipes 1 with the diameter of 50cm and the length of 6 meters are vertically placed, 16 tons of culture water are contained in the first layer of culture pipes, the upper parts of the pipelines are sequentially communicated through bent pipes, the lower parts of the pipelines are connected with an operation canvas pool, the height of the canvas Chi Changkuan is 8m multiplied by 1.5m multiplied by 1.6m, a partition is arranged inside the operation canvas pool, a water inlet pool 21 and a water outlet pool 23 are respectively arranged at two ends of the operation canvas pool, and a circulating pool 22 is arranged in the middle of the operation canvas pool; a second layer: 12 culture pipes 1 with the diameter of 50cm and the length of 6 meters are transversely placed, the second layer of culture pipes totally have 12 tons of culture water, the left sides of the pipelines are sequentially communicated by a bent pipe, the right sides of the pipelines are connected with an operation canvas pool, the height of the canvas Chi Changkuan is 6m multiplied by 1.5m multiplied by 1.1m, a partition is arranged inside the operation canvas pool, the two ends of the operation canvas pool are respectively a water inlet pool 21 and a water outlet pool 23, and the middle part of the operation canvas pool is a circulating pool 22; and a third layer: set up 2 vegetables district of ploughing with water, inside UNICOM, length width height: 6 m.times.3 m.times.0.3 m; the right side of the three-layer three-dimensional breeding mode is also provided with a purification canvas pool and a standby canvas pool, the diameter of the purification canvas pool is 4m, and the height of the purification canvas pool is 1.6m; three-layer three-dimensional aquaculture water level: the first layer is 1.25 m deep, the second layer is 0.75 m deep, and the third layer is 0.25 m deep; the three-layer three-dimensional water depth keeps the same height of 1.25 meters from the ground; the water level of the cleaning canvas pool is controlled to be 1.5 meters in depth.

A culture mode:

firstly, pumping the aquaculture water in the first layer of water outlet pool 23 into a micro-filter by using a water pump, filtering by the micro-filter, and allowing the filtered aquaculture water to flow to a purification canvas pool;

the second step is that: when the water level of the purification canvas pool is higher than 1.5m, the water body overflows and automatically flows into the third layer of hydroponic vegetable area;

and thirdly, the water body in the hydroponic vegetable area enters from the upper part and flows out from the lower part to flow to the water inlet pool 21 of the second layer, then sequentially passes through the culture pipes 1, the elbows and the circulating pool 22 which are connected in series to enter the water outlet pool 23, the water outlet pool 23 of the second layer is connected with the water inlet pool 21 of the first layer, and the water outlet pool 23 of the first layer is connected with the purifying canvas pool.

The circulating water body culture can be realized, and a standby canvas pool can be arranged on the right side of the purifying canvas pool to prevent sudden situations and supplement the culture water body for the canvas pool;

in summary, the cultivation tubes 1 according to the practical cases 1, 2, 3, 4, 5 and 6 can be used for plane cultivation or three-dimensional cultivation;

the used canvas pool is not limited to be square or round, holes or partitions in the runway are not limited to be connected in series to circulate the aquaculture water body, and the canvas pool can be in parallel circulation or in series and parallel circulation;

the aquaculture water body can simultaneously enter from the left side and exit from the right side of the multiple aquaculture pipes 1; multiple inlets and multiple outlets can be simultaneously carried out; the aquaculture water is not limited to the serial circulation of aquaculture pipes in practical cases 1, 2, 3, 4, 5 and 6.

The external circulating water filtering system can be a water cultivation vegetable area, a purification tank, an external pond, a sea and other mixed modes; the culture pipe and the circulating water filtering system can be matched at will according to the needs of cultured aquatic products, and a tubular high-density circulating water culture mode is realized.

EXAMPLE seven

A method of farming for a tubular high-density farming system, comprising the steps of:

the number of the culture ponds is not less than three, the culture pipes 1 are arranged, and the culture pipes 1 are communicated with the culture ponds to realize the serial connection of the culture pipes 1;

at least two partition nets are arranged and used for dividing the plurality of culture pipes 1 into at least three culture water areas, and the at least three culture water areas are used for carrying out size mixed culture of aquatic products;

the aquatic products are cultured in at least three culture water areas from small to large in sequence according to the water flow direction, and enter the next culture water area in sequence according to the sizes of the aquatic products, and the largest aquatic product is caught.

Specifically, the cultivation method for the tubular high-density cultivation system comprises the following steps:

the culture pond is provided with four culture pipes, 12 culture pipes are arranged, each culture pipe is formed by connecting 2 hard pipes with the inner diameter of 50cm and the length of 6m, 24 tons of culture water are stored in the 12 culture pipes, and the culture pipes are communicated with the culture pond to realize series connection.

Two ends of the culture pipe 1 can be provided with separation nets for dividing a plurality of culture water areas to culture aquatic products, so that fishes are prevented from entering other culture water areas through the culture pipe 1 to perform size polyculture and/or variety polyculture;

2 separation nets are arranged and respectively arranged at the water outlet end of the first culture pipe and the water outlet end of the fourth culture pipe; dividing 12 culture pipes into 3 culture water areas, and carrying out size mixed culture on aquatic products;

after the aquatic products in the culture water area of the first culture pipe grow up, the aquatic products are driven into the culture water area formed by the next three culture pipes (the second to the fourth culture pipes) and are put into new aquatic products again for culture;

after the aquatic products in the culture water areas of the last three culture pipes grow up, driving the aquatic products into the culture water areas of the last eight culture pipes, and then driving the aquatic products in the first culture pipe to the culture water areas formed by the second to fourth culture pipes for culture;

and finally, fishing and selling the aquatic products in the culture water area with the eight culture pipes after the aquatic products grow up, and then carrying out culture in the second to fourth culture pipes together with the aquatic products in the eight culture pipes.

The conventional culture method is to put the fry into the pond and then culture the fry together. For pipeline culture, the method increases the feed and fish secretion fed by the fish with the growth of the fish fry, leads to the increasing load of a purification circulating device of culture water, must pay attention to water quality indexes all the time, leads to the problems of ammonia nitrogen sub-salt and dissolved oxygen indexes in the culture water and the signs of frequent death and illness of the fish, and solves the problems through mixed culture of the fish fry and the fish fry.

The density of the fry thrown in the pipeline is generally based on the density of adult fishes, so that the density of the fry fed in the early stage is very low, and the problem of low density in the early stage (namely the overall density of the culture) can be avoided by the mixed culture of the fry in the pipeline. In addition, a batch of adult fish is produced every 4 to 5 months in the conventional culture mode, and a small batch of adult fish can be produced in a large-small-in-pipeline mixed culture mode every week and can be produced all the year round.

And (3) mixed culture of the sizes: firstly, putting the fry into a culture water area with 1 culture pipe, driving the fry into a culture water area with 3 culture pipes when the fry grows a little, and putting new fry into the culture water area with 1 culture pipe; when the fish grows a little more, the fish is driven into a culture water area with 8 culture pipes, and the operation is repeated in the same way, so that the fish is cultured in a large and small mixed way; the advantage of breeding like this, the density of putting the fry in earlier stage is 8 breeding the density of the tube adult fish, namely the breeding density is 8 times of the tradition; meanwhile, when the fish enters the next culture water area from 1 culture water area, new fish fries can be continuously put in, so that high-density culture can be ensured all the time, and adult fish can be continuously produced all the time; in addition, the partition net is adopted to partition the culture water area, and only the partition net needs to be opened, so that the fish can enter the next culture water area along with water flow, the fish does not need to be manually contacted, the fish does not adapt to new culture water, and the healthy growth and the survival rate of the fish are greatly ensured. All people culture in different sizes, and the method has the advantages of high density, continuous output, low-cost operation, no emergency for fishes, stable culture water purification circulation and the like.

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 (11)

1. A tubular high-density farming system, comprising:

the aquaculture device comprises aquaculture pipes (1), wherein a plurality of aquaculture pipes (1) are arranged, and the aquaculture pipes (1) are used for aquaculture of aquatic products;

the partition nets are arranged at the end parts of the culture pipes (1) and used for dividing a plurality of culture water areas to culture aquatic products and providing size polyculture and/or variety polyculture;

the cultivation ponds are provided with a plurality of cultivation ponds, and the cultivation ponds are connected with the cultivation pipes (1) and are used for connecting the cultivation pipes (1) in series and/or in parallel; and

the aeration pipe is arranged in the culture pipe (1) and/or the culture pond and is used for providing dissolved oxygen required by cultured aquatic products.

2. The tubular high-density aquaculture system of claim 1 wherein said aquaculture pond comprises:

the water inlet pool (21), the water inlet pool (21) is connected with the first culture pipe (1) at the end part and is used for water inlet;

the circulating pool (22), the circulating pool (22) is connected with the culture pipes (1) at two ends, so that the culture pipes (1) at the end parts are connected in series;

the connecting pond (24) is connected with the middle culture pipe (1), so that the middle culture pipes (1) are connected in series; and

the water outlet pool (23) is connected with the last culture pipe (1) at the end part and is used for discharging water.

3. The tubular high-density aquaculture system of claim 1 wherein said aquaculture pond comprises:

the water inlet pool (21), the water inlet pool (21) is connected with the first culture pipe (1) and is used for water inlet;

the circulating pool (22), the circulating pool (22) is connected with the culture pipes (1), so that the culture pipes (1) are sequentially connected in series; and

the water outlet pool (23) is connected with the last culture pipe (1) and is used for discharging water.

4. The tubular high-density aquaculture system of claim 2 further comprising: the water circulation treatment device comprises a microfiltration device (4), the microfiltration device (4) comprises a microfiltration machine, and the microfiltration machine is connected with the water inlet tank (21) and/or the water outlet tank (23) and is used for separating solid wastes in the aquaculture water.

5. The tubular high-density aquaculture system of claim 4 wherein said microfiltration device further comprises a microfiltration mesh bag connected to said microfiltration machine.

6. The tubular high-density aquaculture system of claim 4 wherein said water circulation treatment means further comprises:

the first purifying pond (51), the first purifying pond (51) adopts anaerobic bacteria to purify the culture water, and the first purifying pond (51) is connected with the micro-filtration device (4);

the second purifying pond (52), the second purifying pond (52) is respectively connected with the first purifying pond (51) and the culture pond, the second purifying pond (52) adopts aerobic bacteria and algae to purify culture water, and the second purifying pond (52) is also used for adding dynamic maintenance products and regulating and controlling the pH value, the oxygen content and the temperature of the water body; and

and the third purifying tank (53) is connected with the second purifying tank (52) and is used for replacing the water body of the second purifying tank (52) and regulating and controlling the pH value, oxygen content and temperature of the water body.

7. The tubular high-density aquaculture system of claim 4 further comprising:

the water-ploughing vegetable pond (3) is provided with a plurality of water-ploughing vegetable ponds (3), the water-ploughing vegetable ponds (3) are connected in series or in parallel, the inlets of the water-ploughing vegetable ponds (3) are connected with the water circulation treatment device, and the outlets of the water-ploughing vegetable ponds (3) are connected with the water inlets of the culture ponds.

8. The tubular high-density aquaculture system of claim 4 wherein said water circulation treatment means further comprises: pond (6), one is no less than in pond (6), pond (6) are passed through microfiltration device (4) with breed pond is connected, will breed the breed water in breed pipe (1) with breed water in pond (6) purifies the circulation.

9. The tubular high-density culture system of claim 4, wherein the culture system comprises a plurality of layers, the culture systems of the plurality of layers are sequentially stacked, culture pipes (1) of two adjacent layers of culture systems are perpendicular to each other, the culture pond of the culture system of the lower layer is not covered by the culture system of the upper layer, the culture pipes (1) of each layer of culture system are arranged in parallel, and two ends of each culture system are respectively communicated through the culture pond and the elbow.

10. The tubular high-density culture system of claim 3, wherein the culture system is provided with a plurality of layers, the culture systems of the plurality of layers are sequentially stacked, and the culture system of the upper layer is positioned between the culture ponds at two ends of the culture system of the lower layer.

11. A method of farming for a tubular high-density farming system, comprising the steps of:

the number of the culture ponds is not less than three, the culture pipes (1) are arranged, and the culture ponds are connected with the culture pipes (1) to realize the connection of the culture pipes (1);

at least two partition nets are arranged and used for dividing the plurality of culture pipes (1) into at least three culture water areas, and the at least three culture water areas are used for carrying out size mixed culture on aquatic products;

the aquatic products are cultured in at least three culture water areas from small to large in sequence according to the water flow direction, and enter the next culture water area in sequence according to the sizes of the aquatic products, and the largest aquatic product is caught.

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