CN211129434U - Farming system for symbiosis of aquatic animals and plants - Google Patents

Abstract

The utility model provides an agro-farming system of aquatic animal and plant intergrowth, include: the system comprises a water treatment system, a fish pond and at least one plant planting groove; water in the water treatment system flows into at least one plant growing groove through a water supply system; the water in the plant planting groove flows into the fish pond through the middle pipeline; the water in the fish pond flows into the water treatment system through a water return pipeline, wherein a water inlet of the water return pipeline extends into the bottom of the fish pond. The utility model provides an aquatic animal and plant intergrowth's farming system, the water inlet of return water pipeline stretches into the bottom of fish pond, and like this, the return water pipeline can suck impurity such as the excrement and urine incomplete bait of fish pond bottom, can reduce the impurity in the fish pond, is convenient for promote the quality of water in the fish pond, reduces the possibility that the fish of breed is sick, can prolong the clearance cycle in fish pond simultaneously, reduces breeder's the amount of labour, and production management is more convenient.

Description

Farming system for symbiosis of aquatic animals and plants

Technical Field

The utility model relates to an animal and plant intergrowth technical field particularly, relates to an agro-farming system of aquatic animal and plant intergrowth.

Background

In an agricultural cultivation system with symbiosis of aquatic animals and plants, as substances such as excrement and bait can be accumulated in an aquatic product culture pond, the water quality in the culture pond is easy to become poor, and the aquatic product culture pond needs to be cleaned regularly, so that the time and the labor are wasted.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

In view of the above, the present invention aims to provide an agricultural cultivation system for symbiosis of aquatic animals and plants.

In order to achieve the above object, the technical solution of the present invention provides an agricultural cultivation system with symbiosis of aquatic animals and plants, comprising: the system comprises a water treatment system, a fish pond and at least one plant planting groove; water in the water treatment system flows into at least one plant growing groove through a water supply system; the water in the plant planting groove flows into the fish pond through the middle pipeline; the water in the fish pond flows into the water treatment system through a water return pipeline, wherein a water inlet of the water return pipeline extends into the bottom of the fish pond.

In this scheme, water among the water treatment system at first flows into the plant through water supply system and plants the inslot, and the water of planting the inslot of plant later flows into the fish pond through middle pipeline in, and the water in the fish pond flows back to water treatment system in through the return water pipeline at last to realize hydrologic cycle.

Wherein, the water inlet of return water pipeline stretches into the bottom in fish pond, and like this, the return water pipeline can inhale impurity such as the excrement and urine residual food of fish pond bottom, can reduce the impurity in the fish pond, is convenient for promote the quality of water in the fish pond, reduces the possibility that the fish of breed is sick, can prolong the clearance cycle in fish pond simultaneously, reduces breeder's the amount of labour, and production management is more convenient. In the similar system, the problems of frequent instability and the like of the system are also effectively solved.

In the above technical solution, preferably, the water return pipeline includes: a first liquid inlet cylinder and a water return pipe; the first liquid inlet cylinder is vertically arranged in the fish pond, and the bottom end of the first liquid inlet cylinder is positioned at the bottom of the fish pond; the water return pipe is connected to the side wall of the first liquid inlet cylinder and communicated with the inside of the first liquid inlet cylinder, and a water outlet of the water return pipe is communicated with the water treatment system.

In any of the above technical solutions, preferably, the water supply system includes: the water inlet of the fluid conveying device extends into the water treatment system; the first water supply pipeline is communicated with the water outlet of the fluid conveying device, and the water outlet of the first water supply pipeline extends into the plant planting groove; and the second water supply pipeline is communicated with the water outlet of the fluid conveying device, the water outlet of the second water supply pipeline extends into the fishpond, and the second water supply pipeline is provided with a first flow regulating valve.

In any of the above solutions, preferably, the first water supply line is provided with a first control valve.

In any of the above technical solutions, preferably, the intermediate pipeline includes: the water inlet of the first return pipe is positioned on the upper side of the water inlet of the second return pipe, and the second return pipe is provided with a second flow regulating valve.

In any of the above technical solutions, preferably, the method further includes: the liquid level measuring device is arranged in the plant planting groove.

In any of the above technical solutions, preferably, the water inlet of the intermediate pipeline extends into the bottom of the plant growing tank.

In any of the above technical solutions, preferably, the intermediate pipeline includes: a second liquid inlet cylinder and an intermediate pipe; the second liquid inlet cylinder is vertically arranged in the planting groove, and the lower end of the second liquid inlet cylinder is positioned at the bottom of the plant planting groove; the middle pipe is connected to the side wall of the second liquid inlet cylinder and communicated with the inside of the second liquid inlet cylinder, and a water outlet of the middle pipe is communicated with the fish pond.

In any one of the above technical solutions, preferably, when the plant cultivation groove is multiple, the multiple first water supply pipelines and the plant cultivation groove are correspondingly arranged and communicated, and each first water supply pipeline is provided with a second control valve.

In any of the above technical solutions, preferably, the water treatment system includes: the device comprises a sedimentation tank, a filtering tank, a nitrification tank and a water collecting tank which are sequentially arranged and communicated, wherein a water outlet of a water return pipeline is communicated with the sedimentation tank, and a water inlet of a fluid conveying device is communicated with the water collecting tank.

In any of the above technical solutions, preferably, the sedimentation tank, the filtration tank, and the nitrification tank all have corresponding filter materials.

In any of the above technical solutions, preferably, the bottom of the sedimentation tank is provided with a drain valve.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an aquaponic farming system according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an aquaponic farming system according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an aquatic animal and plant symbiotic farming system according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:

10 water treatment system, 11 sedimentation tank, 12 filtering tank, 13 nitrification tank, 14 water collecting tank, 20 fish pond, 30 plant planting groove, 40 water supply system, 41 fluid conveying device, 42 first water supply pipeline, 421 first control valve, 422 second control valve, 43 second water supply pipeline, 431 first flow regulating valve, 50 middle pipeline, 51 first return pipe, 52 second return pipe, 521 second flow regulating valve, 53 second liquid inlet barrel, 54 middle pipe, 60 return pipe, 61 first liquid inlet barrel, 62 return pipe, 70 liquid level measuring device.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings, which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments according to the invention are described below with reference to fig. 1 to 3.

As shown in fig. 1 to 3, an embodiment of the present invention provides an aquatic animal and plant symbiotic farming system, including: a water treatment system 10, a fish pond 20, and at least one plant growing tank 30; the water in the water treatment system 10 flows into the at least one plant growing tank 30 through the water supply system 40; the water in the plant growing tank 30 flows into the fish pond 20 through the intermediate pipeline 50; the water in the fish pond 20 flows into the water treatment system 10 through a return line 60, wherein the water inlet of the return line 60 extends into the bottom of the fish pond 20.

In the scheme, water in the water treatment system 10 firstly flows into the plant planting groove 30 through the water supply system 40, then the water in the plant planting groove 30 flows into the fish pond 20 through the intermediate pipeline 50, and the water in the fish pond 20 finally flows back into the water treatment system 10 through the water return pipeline 60 to realize water circulation.

Wherein, return water pipeline 60's water inlet stretches into the bottom of fish pond 20, and like this, return water pipeline 60 can inhale impurity such as the excrement and urine incomplete bait of fish pond 20 bottom, can reduce the impurity in the fish pond 20, is convenient for promote the quality of water in the fish pond 20, reduces the possibility that the fish of breed is sick, can prolong the clearance cycle in fish pond 20 simultaneously, and production management is more convenient.

As shown in fig. 1 and 2, in the above embodiment, preferably, the height of the plant growing tank 30 is higher than the height of the fish pond 20, the height of the fish pond 20 is higher than the height of the water treatment system 10, and the water return line 60 includes: a first liquid inlet cylinder 61 and a water return pipe 62; the first liquid inlet cylinder 61 is vertically arranged in the fish pond 20, the bottom end of the first liquid inlet cylinder 61 is positioned at the bottom of the fish pond 20, and the top end of the first liquid inlet cylinder 61 is higher than the liquid level in the fish pond 20; the return pipe 62 is connected to the side wall of the first liquid inlet cylinder 61 and is communicated with the inside of the first liquid inlet cylinder 61, the water outlet of the return pipe 62 is communicated with the water treatment system 10, and the top end of the first liquid inlet cylinder 61 is provided with an opening or a vent hole.

In this embodiment, the water in the fish pond 20 flows into the water return pipe 62 through the lower part of the first liquid inlet cylinder 61, and finally flows back to the water treatment system 10. The upper end of the first liquid inlet cylinder body 61 can play a role in ventilation, so that water can be smoothly discharged.

As shown in fig. 1 to 3, in any of the above embodiments, preferably, the water supply system 40 includes: a fluid delivery device 41 (e.g., a water pump), an inlet of the fluid delivery device 41 extending into the water treatment system 10; a first water supply pipeline 42 which is communicated with the water outlet of the fluid conveying device 41, and the water outlet of the first water supply pipeline 42 extends into the plant growing groove 30; and a second water supply pipeline 43 communicated with the water outlet of the fluid conveying device 41, wherein the water outlet of the second water supply pipeline 43 extends into the fish pond 20, and a first flow regulating valve 431 is arranged on the second water supply pipeline 43.

In this embodiment, the water inlet of the fluid delivery device 41 is connected to the water treatment system 10, so that impurities in the water treated by the water treatment device are reduced, and the possibility of blockage of the fluid delivery device 41 can be reduced. Meanwhile, by providing the first flow regulating valve 431, dissolved oxygen in the fish pond can be increased, and the excrement and residual bait is flushed to one end of the drain.

Meanwhile, when the first water supply line 42 is closed, since the first flow rate adjustment valve 431 is in a normally open adjustable state, the fluid delivery device 41 does not need to be closed, so that the fluid delivery device 41 does not need to be opened and closed frequently, and the service life of the fluid delivery device 41 can be prolonged.

In any of the above embodiments, as shown in fig. 1, preferably the plant growing tank 30 is a bed of tidal growing medium and the first water supply line 42 is provided with a first control valve 421.

In this embodiment, the first control valve 421 is provided to control the on/off of the first water supply line 42, so as to control the water supply of the plant growing tank 30, thereby realizing the water level variation of the plant growing tank 30, and realizing the tidal water level variation, thereby providing a more powerful growing condition for the growth of plants.

The first control valve 421 is used to control the on/off of the first water supply pipeline 42, and may be a mechanical valve or an electromagnetic valve.

As shown in fig. 1, further, the intermediate pipe 50 includes: the water outlets of the first return pipe 51 and the second return pipe 52 are communicated with the fishpond 20, the water inlets of the first return pipe 51 and the second return pipe 52 extend into the plant growing tank 30, wherein the water inlet of the first return pipe 51 is positioned on the upper side of the water inlet of the second return pipe 52, and the second return pipe 52 is provided with a second flow regulating valve 521.

In this embodiment, the first return pipe 51 plays a role of overflowing, so that the water level in the plant cultivation tank 30 is within a designed range. Meanwhile, the second return pipe 52 can discharge water to realize tidal variation of the water level in the plant growing tank 30 in cooperation with the first control valve 421. By providing the second flow regulating valve 521, the speed of the change of the water level in the plant growing tank 30 can be regulated, and the plant growing tank can adapt to different plant growing characteristics.

As shown in fig. 1, it is further preferable that: and the liquid level measuring device 70 is arranged in the plant growing tank 30.

In this scheme, through setting up level measurement device 70, can real time monitoring plant the water level in the groove 30, it is convenient to control.

Wherein the level measurement device 70 is separated from the plant growing medium tank 30 of fig. 1 by a water permeable barrier growing medium material.

In the present embodiment, the liquid level measuring device 70 is a liquid level meter for observation.

The utility model discloses an in another embodiment, level measurement device 70 is level sensor, and level sensor is connected with the controller, and the controller is connected with the solenoid valve, and the controller can realize the automatic tidal control of liquid level according to the break-make of the liquid level signal control solenoid valve that level sensor detected, and it is more convenient that the user uses.

As shown in fig. 1, it is further preferable that: planting media are arranged in the planting grooves 30 and comprise: ceramsite, volcanic rock, sand, gravel and the like.

In the scheme, the fixing device can play a better fixing role on the medium-sized plants, and can better treat the aquaculture water body, so that the plants can absorb nutrients in the aquaculture water body conveniently.

As shown in fig. 2, in any of the above embodiments, the plant planting plate with planting holes is provided on the plant planting groove 30, and is used for fixing plants in this embodiment.

In any of the above embodiments, as shown in fig. 2, the plant growing tank 30 is a constant flow water bed with a constant water level, and preferably, the water inlet of the intermediate pipeline 50 extends into the bottom of the plant growing tank 30.

In this embodiment, the water inlet of middle pipeline 50 stretches into the bottom that the groove 30 was planted to the plant, and middle pipeline 50 can aspirate the impurity that the groove 30 bottom was planted to the plant, can improve the quality of water in the groove 30 was planted to the plant, reduces breeding of the interior bacterium of groove 30 is planted to the plant, can increase inside water circulation scope.

As shown in fig. 2, further, the intermediate pipe 50 includes: a second liquid inlet cylinder 53 and an intermediate pipe 54; the second liquid inlet cylinder 53 is vertically arranged in the plant planting groove 30, the lower end of the second liquid inlet cylinder 53 is positioned at the bottom of the second liquid inlet cylinder 53, and the top end of the second liquid inlet cylinder 53 is higher than the liquid level in the plant planting groove 30; the middle pipe 54 is connected to the side wall of the second liquid inlet cylinder 53 and communicated with the inside of the second liquid inlet cylinder 53, the water outlet of the middle pipe 54 is communicated with the fish pond 20, and the top end of the second liquid inlet cylinder 53 is provided with an opening or a vent hole.

In this embodiment, the water in the plant growing tank 30 flows into the intermediate pipe 54 through the lower part of the second liquid inlet cylinder 53 and finally flows back to the fish pond 20. The upper end of the second liquid inlet cylinder 53 can play a role in ventilation, so that water can be smoothly discharged.

In this scheme, through setting up second feed liquor barrel 53, can enough suction the impurity of planting the groove 30 bottoms of plant, can play the effect of overflow again, kill two birds with one stone.

In any of the above embodiments, as shown in fig. 3, preferably, when there are a plurality of plant growing tanks 30, a plurality of first water supply pipes 42 are provided corresponding to and communicating with the plant growing tanks 30, and each of the first water supply pipes 42 is provided with a second control valve 422.

In this embodiment, the first water supply pipeline 42 is in one-to-one correspondence with the plant growing grooves 30, so that when supplying water, the second control valve 422 is controlled to be turned on or off, the plant growing grooves 30 can be supplied with water one by one through the fluid conveying device 41, and partitioned irrigation is realized, so that the requirement on the rated power of the fluid conveying device 41 can be reduced, the water supply to the plurality of plant growing grooves 30 can be completed by using the low-power fluid conveying device 41, meanwhile, the electric energy consumed by the fluid conveying device 41 can be effectively reduced, and the operation cost is reduced.

Wherein, the plant growing tank 30 in this embodiment is preferably a tidal type growing medium bed in fig. 1, or a constant water level growing bed in fig. 2, or a combination of the growing beds in fig. 1 and fig. 2.

As shown in fig. 1 to 3, in any of the above embodiments, preferably, the water treatment system 10 includes: the device comprises a sedimentation tank 11, a filtering tank 12, a nitrification tank 13 and a water collecting tank 14 which are sequentially arranged and communicated, wherein a water outlet of a water return pipeline 60 is communicated with the sedimentation tank 11, and a water inlet of a fluid conveying device 41 is communicated with the water collecting tank 14.

In this embodiment, the sedimentation tank 11 can settle large particles in water, and then the water is filtered by the filter tank 12, so that impurities in the water can be further reduced. Finally, water with less impurities is obtained after the water is treated by the nitrification tank 13, and the treated water flows into the water inlet tank and flows into the plant planting groove 30 through the fluid conveying device 41, so that the water is convenient for plants to absorb, and the water body is purified.

In any of the above embodiments, as shown in fig. 1 to 3, preferably, a check valve may be provided after the water is discharged from the fluid delivery device 41 and before the water is branched into the first water supply line 42 and the second water supply line 43.

In the embodiment, the check valve can prevent the damage of the water hammer phenomenon to the pump caused by the accidental power failure.

In any of the above embodiments, as shown in fig. 1 to 3, preferably, the system container may be provided with an overflow port, and the lowest water level container may be provided with an automatic water level supply device, so as to realize stable operation of the system water level.

In any of the above embodiments, as shown in fig. 1 to 3, preferably, a plurality of fish ponds 20 may be connected in series and parallel to the system. In the example, the cultivation of various aquatic organisms can be realized, and the three-dimensional large-scale high-efficiency cultivation can be realized.

In any of the above embodiments, as shown in fig. 1 to 3, preferably, a plurality of planting troughs 30 may be connected in series and parallel to the system. In the example, the planting of various plants can be realized, and the three-dimensional large-scale efficient planting can be realized.

As shown in fig. 1 to 3, in any of the above embodiments, it is preferable that the sedimentation tank 11, the filtration tank 12, and the nitrification tank 13 have respective filter materials therein. And a drain valve is arranged at the bottom of the sedimentation tank 11. The settling tank 11 can be mechanically connected with physical separation, thereby increasing the separation efficiency. Oxygenation equipment can be added to the bottoms of the fish pond 20, the planting groove 30 in the picture 2 and the nitrification pond 13 to increase oxygen, so that the dissolved oxygen of the whole system is increased. The fishpond 20 can be added with a constant temperature device, and a bait device is automatically put in, so that the growth condition of the aquatic animals is kept. The various devices can be connected by the Internet of things in a unified manner, and the whole-process automatic operation is met. Beneficial bacteria can be added into the system regularly to inhibit harmful bacteria, algae, shellfish, filter feeding aquatic organisms and the like can be added into the system regularly, water purification of aquatic animals by the plants is better realized through a plurality of operations, the aquatic animals provide nutrition for the plants, and ecological symbiosis circulating sustainable development is realized.

Above combine the attached picture to illustrate the technical scheme of the utility model, the utility model provides an aquatic animal and plant intergrowth's farming system, the water inlet of return water pipeline stretches into the bottom of fish pond, and like this, the return water pipeline can suck impurity such as the excrement and urine incomplete bait of fish pond bottom, can reduce the impurity in the fish pond, is convenient for promote the quality of water in the fish pond, reduces the possibility that the fish of breed is sick, can prolong the clearance cycle in fish pond simultaneously, reduces breeder's the amount of labour, and production management is more convenient. The plants help aquatic animals to purify water, and the aquatic animals provide nutrition for the plants, so that symbiotic circulating sustainable development is realized. The application of the flow regulating valve and the control valve enables the whole system to be more stable and energy-saving, and the independent design of the filtering system is convenient for the independent control and operation of the system.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An aquaponic farming system for aquatic animals and plants, comprising:

a water treatment system (10), a fish pond (20) and at least one plant growing tank (30);

the water in the water treatment system (10) flows into at least one plant growing tank (30) through a water supply system (40);

the water in the plant growing tank (30) flows into the fish pond (20) through an intermediate pipeline (50);

the water in the fishpond (20) flows into the water treatment system (10) through a water return pipeline (60),

wherein, the water inlet of the water return pipeline (60) extends into the bottom of the fish pond (20).

2. An aquatic and plant symbiotic agro-farming system according to claim 1, characterised in that said return line (60) comprises:

a first liquid inlet cylinder (61) and a water return pipe (62);

the first liquid inlet barrel (61) is vertically arranged in the fish pond (20), the bottom end of the first liquid inlet barrel (61) is positioned at the bottom of the fish pond (20), and the top end of the first liquid inlet barrel (61) is higher than the liquid level in the fish pond (20);

return water pipe (62) are connected on the lateral wall of first feed liquor barrel (61) and with the inside intercommunication of first feed liquor barrel (61), the delivery port of return water pipe (62) with water treatment system (10) intercommunication.

3. An aquatic and plant symbiotic agro-farming system according to claim 1, characterised in that said water supply system (40) comprises:

a fluid delivery device (41), a water inlet of the fluid delivery device (41) extending into the water treatment system (10);

a first water supply pipeline (42) which is communicated with the water outlet of the fluid conveying device (41), and the water outlet of the first water supply pipeline (42) extends into the plant planting groove (30);

and the second water supply pipeline (43) is communicated with the water outlet of the fluid conveying device (41), the water outlet of the second water supply pipeline (43) extends into the fishpond (20), and a first flow regulating valve (431) is arranged on the second water supply pipeline (43).

4. An aquatic and plant symbiotic agro-farming system according to claim 3, characterised in that,

the first water supply line (42) is provided with a first control valve (421).

5. An aquatic and plant symbiotic agro-farming system according to claim 4, characterised in that said intermediate pipe (50) comprises:

a first return pipe (51) and a second return pipe (52), the water outlets of the first return pipe (51) and the second return pipe (52) are communicated with the fishpond (20), the water inlets of the first return pipe (51) and the second return pipe (52) extend into the plant growing tank (30),

wherein, the water inlet of the first return pipe (51) is positioned at the upper side of the water inlet of the second return pipe (52), and the second return pipe (52) is provided with a second flow regulating valve (521).

6. An aquatic and plant symbiotic agro-farming system according to claim 4, further comprising:

and the liquid level measuring device (70) is arranged in the plant planting groove (30).

7. An aquatic and plant symbiotic agro-farming system according to claim 1, characterised in that,

the water inlet of the middle pipeline (50) extends into the bottom of the plant planting groove (30).

8. An aquatic and plant symbiotic agro-farming system according to claim 7, characterised in that said intermediate pipe (50) comprises:

a second liquid inlet cylinder (53) and an intermediate pipe (54);

the second liquid inlet cylinder body (53) is vertically arranged in the planting groove, the lower end of the second liquid inlet cylinder body (53) is positioned at the bottom of the plant planting groove (30), and the top end of the second liquid inlet cylinder body (53) is higher than the liquid level height in the plant planting groove (30);

the middle pipe (54) is connected to the side wall of the second liquid inlet cylinder body (53) and communicated with the inside of the second liquid inlet cylinder body (53), and a water outlet of the middle pipe (54) is communicated with the fish pond (20).

9. An aquatic and plant symbiotic farming system according to any one of claims 3 to 6, characterised in that,

when the plant planting groove (30) is a plurality of, it is a plurality of first water supply pipeline (42) with plant planting groove (30) corresponds the setting and communicates, every be equipped with second control valve (422) on first water supply pipeline (42).

10. An aquatic animal and plant symbiotic agro-farming system according to any one of claims 3 to 6, characterised in that said water treatment system (10) comprises:

the device comprises a sedimentation tank (11), a filtering tank (12), a nitrification tank (13) and a water collecting tank (14) which are sequentially arranged and communicated, wherein a water outlet of a water return pipeline (60) is communicated with the sedimentation tank (11), and a water inlet of a fluid conveying device (41) is communicated with the water collecting tank (14).

Images