CN214962015U - Closed circulation farming systems - Google Patents
Closed circulation farming systems Download PDFInfo
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- CN214962015U CN214962015U CN202121423490.8U CN202121423490U CN214962015U CN 214962015 U CN214962015 U CN 214962015U CN 202121423490 U CN202121423490 U CN 202121423490U CN 214962015 U CN214962015 U CN 214962015U
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Abstract
A closed circulation culture system comprises a plurality of culture tanks, a water purification module and a plurality of water pumping motors. The water purification module is communicated with the culture tank. The water pumping motor is connected between the culture tank and the water purification module, and the water pumping motor is respectively arranged corresponding to the culture tank. The water pumping motors are suitable for operating in turn.
Description
Technical Field
The utility model relates to a farming systems especially relates to a closed circulation farming systems.
Background
The aquaculture is the aquaculture with high economic value by utilizing natural water surfaces or artificial culture tanks. Aquaculture can be divided into three categories, namely fresh water aquaculture, seawater aquaculture and freshwater and seawater captive aquaculture according to the difference of aquaculture water quality. In coastal areas, mariculture is developed.
In offshore areas, mariculture tanks can be formed by means of embankment for the introduction of seawater. However, the above-mentioned culture tank not only has the problem of unstable water pumping, but also has the disadvantage of unstable water quality because the water quality is easily affected by climate change, air pollution, seawater pollution, industrial heavy metal pollution and other factors because the above-mentioned culture tank is located outdoors. On the other hand, a mariculture system can be built in an offshore area, and the culture water body can be produced in an artificial mode. Although the cultivation tank of the above-mentioned seawater cultivation system can be installed indoors, the open water circulation system is adopted, so that a large amount of seawater is required to maintain the ecology of the cultivation tank, which causes problems of increased cost, large power consumption, large land area requirement, and the like. In addition, since the sewage generated from the above-mentioned mariculture system is directly discharged to the surrounding area, it causes serious environmental pollution.
SUMMERY OF THE UTILITY MODEL
The utility model provides a closed circulation farming systems to improve prior art's problem.
The utility model provides a closed circulation farming systems contains a plurality of breed grooves, water purification module and a plurality of pumping motor. The water purification module is communicated with the culture tank. The water pumping motor is connected between the culture tank and the water purification module, and the water pumping motor is respectively arranged corresponding to the culture tank. The water pumping motors are suitable for operating in turn.
In an embodiment of the present invention, the water purification module further includes a first purification tank, a second purification tank and a third purification tank. The second purge tank is connected between the first purge tank and the third purge tank. The water pumping motor is suitable for conveying water in the culture tank to the first purifying tank. The first purification tank has a first water outlet communicating with the second purification tank. The second purifying tank has a second water outlet communicated with the third purifying tank. The third purifying tank is provided with a third water outlet connected with the culture tank. The height of the first water outlet is greater than that of the second water outlet, and the height of the second water outlet is greater than that of the third water outlet.
In an embodiment of the present invention, the water purification module further includes a protein removal device. The deproteinizing device is communicated with the second purifying tank.
In an embodiment of the invention, the protein removing device may include a protein defoaming device. The second water outlet is positioned at the waist part of the second purifying tank.
In an embodiment of the present invention, the closed-loop cultivation system further includes two automatic valves disposed at the water inlet of the first purification tank and the water inlet of the third purification tank. The automatic valve is suitable for closing the water delivery port when the water levels of the first purifying tank and the third purifying tank reach a critical value.
In an embodiment of the present invention, the second purifying tank contains a biological purifying agent, for example.
In an embodiment of the present invention, the water purification module further includes a coarse filtration device and a fine filtration device. The coarse filtering device is connected between the culture tank and the first purifying tank. The fine filtering device is arranged in the third purifying tank. The filtering particle size of the fine filtering device is smaller than that of the coarse filtering device.
In an embodiment of the present invention, the coarse filtering device further comprises a dry-wet separating device connected between the cultivation tank and the first purifying tank. The dry-wet separation device is provided with a water inlet and a plurality of water outlets which are communicated. The water outlet is adapted to inject water from the top of the first purification tank into the first purification tank. The aperture of each water outlet is smaller than that of the water inlet.
In an embodiment of the present invention, the water purification module further comprises an industrial filter device connected between the third purification tank and the cultivation tank.
In an embodiment of the present invention, the closed-loop cultivation system further includes a plurality of automatic valves respectively disposed in the cultivation tank. Each culture groove is provided with a water conveying port. The automatic valve is suitable for closing the water conveying port when the water level of the culture tank reaches a critical value.
In an embodiment of the present invention, the closed-loop cultivation system further includes a plurality of oxygen increasing devices respectively disposed in the cultivation tank.
In an embodiment of the present invention, each of the oxygenation devices includes a microbubble generation element. Each microbubble generation element is adapted to generate microbubbles along the side wall and the bottom of each culture tank, for example.
In an embodiment of the present invention, each of the oxygenation devices includes a microbubble generation element. The microbubble generation elements may be respectively disposed at one side in the cultivation tank, and each microbubble generation element is adapted to generate microbubbles toward an opposite side to the one side.
In an embodiment of the present invention, the closed-loop cultivation system further includes a plurality of water quality monitoring devices respectively disposed in the cultivation tank.
In an embodiment of the present invention, the closed-loop cultivation system further includes a plurality of image capturing devices respectively disposed in the cultivation tank.
In an embodiment of the present invention, the closed-loop cultivation system further includes a plurality of conveying pipes. One end of each delivery pipe is connected to each culture tank, and the other end of each delivery pipe is fixed in the water purification module respectively.
In an embodiment of the present invention, the closed-loop cultivation system further includes a first delivery pipe and a plurality of second delivery pipes. The first delivery pipe is connected to the water purification module, and the second delivery pipe is connected between the culture tank and the first delivery pipe respectively.
In an embodiment of the present invention, the closed-loop cultivation system further includes a sewage treatment device. The bottom of the culture tank is provided with a sewage draining hole respectively. The sewage draining hole is communicated with the sewage treatment device.
In an embodiment of the present invention, the above-mentioned sewage treatment device includes a filter tank, a smell removing tank, a first biochemical decomposition tank and a second biochemical decomposition tank. The sewage passing through the sewage discharge hole flows through the filter tank, the odor removal tank, the first biochemical decomposition tank and the second biochemical decomposition tank in sequence.
In an embodiment of the present invention, the first biochemical decomposition tank includes a biological ammonia nitrogen removal agent. The second biochemical decomposition tank comprises a bacterium-increasing filter element.
The utility model discloses a closed circulation farming systems adopts a plurality of grooves of breeding, aqueous purification module and a plurality of pump motor, and the pump motor wherein can carry the water of breeding the inslot to aqueous purification module, and the water through aqueous purification module can be carried back to breed the groove again to maintain the quality of water of breeding the groove. Therefore, the utility model discloses a closed circulation farming systems only needs a small amount of water just can maintain the ecology in breed groove, and can also reduce the sewage discharge effectively, and then has the advantage with low costs and environmental protection. In addition, because the water pumping motors of the utility model operate in turn, the water quantity of the single culture tank can be effectively extracted for circulation. Therefore, the power required by each water pumping motor in each operation can be reduced, and the power consumption is further reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic top view of a closed loop aquaculture system according to an embodiment of the present invention.
Fig. 2 is a schematic view of the water purification module of fig. 1.
Fig. 3 is a schematic top view of the habitat of fig. 1.
Fig. 4 is a schematic top view of a culture tank of a closed loop culture system according to another embodiment of the present invention.
FIG. 5 is a side schematic view of the habitat of FIG. 1 connected to a waste treatment device.
Fig. 6 is a schematic view of a closed loop aquaculture system according to another embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic top view of a closed loop aquaculture system according to an embodiment of the present invention. Referring to fig. 1, a closed-loop aquaculture system 100 includes a plurality of aquaculture tanks 110, a water purification module 120, and a plurality of water pumping motors 130. The water purification module 120 communicates with the cultivation tank 110. The pumping motor 130 is connected between the cultivation tank 110 and the water purification module 120, and the pumping motor 130 is disposed corresponding to the cultivation tank 110. The pumping motors 130 are adapted to operate in turn.
The pumping motor 130 can pump the water in the culture tank 110 to the water purification module 120. The direction of water flow may be as shown by the arrows in fig. 1, but is not limited thereto. The closed loop farming system 100 may also include a plurality of transfer pipes T. One end of each delivery pipe T is connected to each cultivation tank 110, and the other end of each delivery pipe T is fixed to the water purification module 120. Each pumping motor 130 may be connected to each delivery pipe T to pump the water in each cultivation tank 110 to the water purification module 120 in turn, thereby maintaining the water quality in each cultivation tank 110. Incidentally, in the present embodiment, since the pumping motors 130 and the cultivation tanks 110 are arranged in a one-to-one manner, the operation power of each pumping motor 130 can be determined according to the requirement of each cultivation tank 110. For example, the operation power of the corresponding pumping motor 130 of the cultivation tank 110 far away from the water purification module 120 can be higher; on the contrary, the operation power of the corresponding pumping motor 130 of the cultivation tank 110 near the water purification module 120 can be lower.
Fig. 2 is a schematic view of the water purification module of fig. 1. Referring to fig. 1 and 2, the water purification module 120 can purify the water in the cultivation tanks 110 to maintain the water quality of each cultivation tank 110. In detail, the water purification module 120 may further include a first purification tank 121, a second purification tank 122, and a third purification tank 123. The second purge tank 122 is connected between the first purge tank 121 and the third purge tank 123. The pumping motor 130 is adapted to deliver the water in the cultivation tank 110 to the first purification tank 121. The first purge tank 121 has a first water outlet O1 communicating with the second purge tank 122. The second purge tank 122 has a second water outlet O2 communicating with the third purge tank 123. The third purification tank 123 has a third water outlet O3 connected to the culture tank 110. The height of the first water outlet O1 is greater than that of the second water outlet O2, and the height of the second water outlet O2 is greater than that of the third water outlet O3. For example, the water purification module 120 may be placed on the ground (not shown) at a height of the first water outlet O1, the second water outlet O2, and the third water outlet O3 compared to the ground. Thus, the water in the first purge tank 121 can flow through the second purge tank 122 and the third purge tank 123 sequentially through the potential difference.
In this embodiment, the water purification module 120 may further include a coarse filtration device F1 and a fine filtration device F2. The coarse filtration device F1 is connected between the cultivation tank 110 and the first purification tank 121. A fine filter device F2 is disposed in the third purifying tank 123. The filtration particle size of the fine filtration device F2 was smaller than that of the coarse filtration device F1. For example, the filtering particle size of the fine filtering device F2 can be between 100 and 150 micrometers, but is not limited thereto. In this embodiment, the coarse filtering device F1 may further include a dry-wet separation device 124. The wet and dry separating device 124 is connected between the cultivation tank 110 and the first purification tank 121, and primarily filters large impurities such as excrements or residual baits. The wet and dry separating device 124 has an inlet I and a plurality of outlets O in communication. The water outlet O is adapted to inject water from the top of the first purification tank 121 toward the inside of the first purification tank 121. The caliber of each water outlet O is smaller than that of the water inlet I. Thus, the moisture-dry separator 124 can generate a large amount of water columns, and increase the oxygen-exposure efficiency by using the impact force generated when the water columns fall into the first purification tank 121.
The closed loop cultivation system 100 may further comprise two automatic valves 140 disposed at the water inlet of the first purification tank 121 and the water inlet of the third purification tank 123; for example, one of the automatic valves 140 may be disposed on the wet-dry separator 124, and the other automatic valve 140 may be disposed on the third water outlet O3 of the third purifying tank 123. The automatic valve 140 is adapted to close the water outlet O and the third water outlet O3 when the water levels in the first purifying tank 121 and the third purifying tank 123 reach a threshold value, so as to maintain the water pressure difference between the first purifying tank 121 and the third purifying tank 123. In detail, the water level of the first purge tank 121 is not excessively low, and the water level of the third purge tank 123 is not excessively high, but other embodiments are not limited thereto. In this embodiment, the automatic valve 140 can be mechanically controlled, for example, by providing a float (not shown) on the water surface of the first and third purge tanks 121 and 123 to detect the water level and close the automatic valve 140. In other embodiments, the automatic valve 140 can be controlled in an electrically controlled manner, and the present invention is not limited to the specific manner of controlling the automatic valve 140.
The second purification tank 122 contains, for example, a biological purification agent. The biological decontaminant may include nitrifying bacteria, but is not limited thereto. Furthermore, the water purification module 120 comprises, for example, a deproteinization device RP. The deproteinizing device RP is connected to the second purifying tank 122, and the water in the second purifying tank 122 is pumped to the deproteinizing device RP by the water pump M1 to remove the proteins in the water in the second purifying tank 122. In detail, the deproteinizing device RP of the present embodiment may include a protein defoaming device R. The protein defoaming device R is operated to generate a large amount of foam in the water in the second purification tank 122, and the foam floats on the water surface. On the other hand, the impurities in the second cleaning tank 122 are deposited to the bottom. In order to introduce the clean water in the second purification tank 122 into the third purification tank 123, the second water outlet O2 may be located at the waist of the second purification tank 122, so that the foam and impurities are prevented from flowing into the third purification tank 123 in a large amount.
The water purification module 120 may also include an industrial filtration device 125. An industrial filtering device 125 is connected between the third purifying tank 123 and the cultivation tank 110 (shown in fig. 1) to filter the water in the third purifying tank 123. The water passing through the industrial filter 125 flows back into the cultivation tank 110, for example, but not limited to, the water is pumped to the cultivation tank 110 by the water pump M2. In the present embodiment, the industrial filter device 125 can filter fine particles having a smaller filtering particle size than the fine filter F2, but is not limited thereto.
Fig. 3 is a schematic top view of the habitat of fig. 1. Referring to fig. 3, the cultivation tank 110 is capable of supplying aquatic organisms to grow and reproduce. Thus, the closed loop aquaculture system 100 (labeled in FIG. 1) also includes, for example, a plurality of water quality monitoring devices 150. The water quality monitoring devices 150 are respectively disposed in the cultivation tanks 110 so as to monitor the water quality of the cultivation tanks 110. Specifically, the water quality monitoring device 150 can monitor the ph, dissolved oxygen content, salinity and/or water temperature of the water, but is not limited thereto. In addition, the closed-loop cultivation system 100 further includes a plurality of image capturing devices 160. The image capturing devices 160 are respectively disposed in the cultivation tanks 110 for observing the growth of the aquatic organisms. Similar to the first and third purification tanks 121 and 123, the water inlet of the cultivation tank 110 may be provided with an automatic valve 140 to prevent the water level in the cultivation tank 110 from being too high due to blockage and even overflowing.
The closed loop aquaculture system 100 may also include a plurality of oxygenation devices 170. The oxygen increasing devices 170 are respectively arranged in the culture tanks 110. In detail, the oxygen increasing device 170 can generate a large amount of oxygen to the water in the cultivation tank 110 to increase the oxygen aeration efficiency. Further, in the present embodiment, the oxygen increasing devices 170 may each include a microbubble generation element 171. The culture tank 110 may be cylindrical in shape, and each microbubble generation element 171 generates microbubbles along the sidewall and bottom of each culture tank 110, for example. For example, the microbubble generator 171 in the figure can eject microbubbles along the tangential direction D1 of the sidewall of the cultivation tank 110 and the direction D1a toward the bottom of the cultivation tank 110, so that the microbubble generator 171 can also form a vortex-like water flow in the cultivation tank 110, so that impurities in the water can be concentrated to the center of the cultivation tank 110 for discharging the sewage. In another embodiment, such as shown in fig. 4, the cultivation tank 110a may have a rectangular parallelepiped shape, the microbubble generation elements 171 may be respectively disposed at one side E1 in the cultivation tank 110a, and each microbubble generation element 171 is adapted to generate microbubbles toward the opposite side E2 from the one side E1. For example, the microbubble generator 171 shown in the figure is disposed on the short side wall W1 in the cultivation tank 110a, and may eject microbubbles toward the other short side wall W2 in the direction D2, wherein the direction D2 may be substantially perpendicular to the short side wall W1, but is not limited thereto. Thus, the microbubbles can flow along the inner edge of the culture tank 110 a.
Compared to the prior art, the closed-loop aquaculture system 100 of the present embodiment employs a plurality of aquaculture tanks 110, a plurality of water purification modules 120, and a plurality of pumping motors 130, wherein the pumping motors 130 can deliver water in the aquaculture tanks 110 to the water purification modules 120, and the water passing through the water purification modules 120 is delivered back to the aquaculture tanks 110 to maintain the water quality of the aquaculture tanks 110. Therefore, the closed-loop aquaculture system 100 of the present embodiment can maintain the ecology of the aquaculture tank 110 with only a small amount of water and can effectively reduce the amount of sewage discharged, thereby providing advantages of low cost and environmental protection. For example, the conventional open circulation aquaculture system requires 2 to 3 times of the total volume of the aquaculture tank, while the closed circulation aquaculture system 100 of the present embodiment only requires about 30% to 50% of the total volume of the aquaculture tank 110 to maintain the ecology of the aquaculture tank 110. In addition, since the pumping motors 130 of the present embodiment are operated alternately, the water in the single cultivation tank 110 can be pumped efficiently for circulation. Thus, the power required for each operation of the pumping motors 130 can be reduced, thereby reducing the power consumption. Additionally, the closed-loop cultivation system 100 of the present embodiment can be configured with about 150 to 200 tons of water; the above-mentioned amount of water can reduce the risk of collectively infecting diseases of aquatic organisms in the culture tank 110, and is also advantageous in adjusting the culture quantity and kind of aquatic organisms to provide a good economic effect. In addition, the closed-cycle aquaculture system 100 of the present embodiment can effectively maintain the water quality of the aquaculture tank 110, and allow aquatic organisms to stably grow. Therefore, aquatic organisms in the middle breeding period can be thrown in, the breeding period is shortened, a rolling type breeding mode of multiple harvest is formed, and the production can be planned and improved. For example, the conventional cultivation method can be harvested only 1-2 times a year, and the closed-loop cultivation system 100 of the present embodiment can be harvested 3-4 times a year, so as to effectively increase the productivity and the yield.
FIG. 5 is a side schematic view of the habitat of FIG. 1 connected to a waste treatment device. Referring to FIG. 5, the closed loop farming system 100 may further include a waste disposal device 180. The bottom of the cultivation tank 110 is provided with a drain hole H, respectively. The sewage discharge hole H is communicated with the sewage treatment device 180, so that the excrement in the culture tank 110 enters the sewage treatment device 180 through the sewage discharge hole H. The sewage treatment apparatus 180 can treat the excrement of the aquatic organisms to produce renewable resources such as compost, and thus has an advantage of environmental protection. Further, the waste treatment apparatus 180 may include a filter tank 181, a deodorizing tank 182, a first biochemical decomposition tank 183, and a second biochemical decomposition tank 184. The sewage passing through the sewage discharge hole H flows through the filter tank 181, the smell removal tank 182, the first biochemical decomposition tank 183 and the second biochemical decomposition tank 184 in sequence. A filter screen can be arranged in the filter tank 181 to primarily filter out impurities such as biological corpses. The odor elimination tank 182 allows for the precipitation of fecal matter and may contain a combination of Bacillus natto to eliminate odors. The first biochemical decomposition tank 183 may contain a biological ammonia nitrogen removal agent; the biological ammonia nitrogen agent includes, but is not limited to, bacillus subtilis and probiotics. Second biochemical decomposer 184 may include bacteria-enhancing filter F3. The bacteria-increasing filter piece F3 can filter impurities with small particle size, and can increase the attachment area of probiotics, so that the probiotics can grow in the second biochemical decomposition tank 184 in a large amount, and the maintenance cost is reduced. In addition, yeast may be further contained in the second biochemical decomposition tank 184 to further decompose bacteria in the excrement. Incidentally, a valve G may be provided between each of the culture tanks 110 and the sewage treatment apparatus 180 to control the amount of sewage flowing into the sewage treatment apparatus 180.
Fig. 6 is a schematic view of a closed loop aquaculture system according to another embodiment of the present invention. Referring to fig. 6, the closed-loop cultivation system 100a may further include a first delivery pipe T1 and a plurality of second delivery pipes T2. The first delivery pipe T1 is connected to the water purification module 120, and the second delivery pipe T2 is connected between the cultivation tank 110 and the first delivery pipe T1, respectively. In detail, a valve G may be provided between each cultivation tank 110 and the first delivery pipe T1. The valves G are, for example, disposed corresponding to the pumping motors 130 and are closed when the corresponding pumping motors 130 are not operated, so as to prevent the pumping motors 130 in operation from pumping water into other culture tanks 110.
To sum up, the utility model discloses a closed circulation farming systems adopts a plurality of grooves of breeding, aqueous purification module and a plurality of pump motor, and the pump motor wherein can carry the water of breeding the inslot to aqueous purification module to carry the water through aqueous purification module back to breed the groove, with the quality of water that maintains the groove of breeding. Therefore, the utility model discloses a closed circulation farming systems only needs a small amount of water just can maintain the ecology in breed groove, and can also reduce the sewage discharge effectively, and then has the advantage with low costs and environmental protection. In addition, because the water pumping motors of the utility model operate in turn, the water quantity of the single culture tank can be effectively extracted for circulation. Therefore, the power required by each water pumping motor in each operation can be reduced, and the power consumption is further reduced.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make many modifications or equivalent variations by using the above disclosed method and technical contents without departing from the technical scope of the present invention, but all the simple modifications, equivalent variations and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the technical solution of the present invention.
Claims (20)
1. A closed loop aquaculture system, comprising:
a plurality of culture tanks;
a water purification module communicated with the culture tanks; and
and the water pumping motors are connected between the culture tanks and the water purification module and are respectively arranged corresponding to the culture tanks, wherein the water pumping motors are suitable for running in turn.
2. The closed loop aquaculture system of claim 1 wherein said water purification module further comprises a first purification tank, a second purification tank and a third purification tank, said second purification tank being connected between said first purification tank and said third purification tank, said water pumping motors being adapted to deliver water from said aquaculture tanks to said first purification tank;
the first purifying tank is provided with a first water outlet communicated with the second purifying tank, the second purifying tank is provided with a second water outlet communicated with the third purifying tank, the third purifying tank is provided with a third water outlet connected with the cultivating tanks, the height of the first water outlet is larger than that of the second water outlet, and the height of the second water outlet is larger than that of the third water outlet.
3. The closed loop aquaculture system of claim 2 wherein said water purification module further comprises a protein removal device, said protein removal device being in communication with said second purification tank.
4. The closed loop aquaculture system of claim 3 wherein said protein removal means comprises a protein defoaming means, said second water outlet being located at the waist of said second purification tank.
5. The closed loop aquaculture system of claim 2 further comprising two automatic valves disposed at a water inlet of said first tank and a water inlet of said third tank, said two automatic valves being adapted to close said two water inlets when water levels in said first tank and said third tank reach a threshold value.
6. The closed loop aquaculture system of claim 2 wherein said second purification tank contains a biological decontaminant.
7. The closed loop aquaculture system of claim 2 wherein said water purification module further comprises a coarse filtration device and a fine filtration device, said coarse filtration device being connected between said aquaculture tanks and said first purification tank, said fine filtration device being disposed in said third purification tank, said fine filtration device having a filtration particle size smaller than that of said coarse filtration device.
8. The closed loop aquaculture system of claim 7 wherein said coarse filtration means comprises a wet-dry separation means having an inlet and a plurality of outlets in communication, said outlets adapted to direct water from the top of said first tank into said first tank, each of said outlets having a diameter smaller than the diameter of said inlet.
9. The closed loop aquaculture system of claim 2 wherein said water purification module further comprises an industrial filtration device connected between said third purification tank and said aquaculture tanks.
10. The closed loop aquaculture system of claim 1 further comprising a plurality of automatic valves disposed in the aquaculture tanks, each of the aquaculture tanks having a water inlet, the automatic valves being adapted to close the water inlets when the water level in the aquaculture tanks reaches a threshold value.
11. The closed loop aquaculture system of claim 1 further comprising a plurality of aeration devices disposed in said tanks.
12. The closed loop aquaculture system of claim 11 wherein each of said aeration devices comprises a microbubble generator, each of said microbubble generators being adapted to generate microbubbles along the side walls and bottom of each of said tanks.
13. The closed loop aquaculture system of claim 11 wherein each of said aeration devices comprises a micro bubble generating element, said micro bubble generating elements are disposed on one side of said tanks, and each of said micro bubble generating elements is adapted to generate micro bubbles toward an opposite side of said one side.
14. The closed loop aquaculture system of claim 1 further comprising a plurality of water quality monitoring devices disposed in said aquaculture tanks.
15. The closed loop aquaculture system of claim 1 further comprising a plurality of image capturing devices disposed in said tanks, respectively.
16. The closed loop aquaculture system of claim 1 further comprising a plurality of pipes, wherein one end of each of the pipes is connected to each of the aquaculture tanks, and the other end of each of the pipes is fixed to the water purification module.
17. The closed loop aquaculture system of claim 1 further comprising a first delivery pipe connected to said water purification module and a plurality of second delivery pipes connected between said aquaculture tanks and said first delivery pipe, respectively.
18. The closed loop aquaculture system of claim 1 further comprising a waste disposal device, wherein the bottom of each of said tanks has a waste hole, and said waste holes are in communication with said waste disposal device.
19. The closed loop aquaculture system of claim 18 wherein said waste disposal means comprises a filter tank, a deodorizer tank, a first biochemical decomposition tank and a second biochemical decomposition tank, wherein said waste water passing through said waste outlet passes through said filter tank, said deodorizer tank, said first biochemical decomposition tank and said second biochemical decomposition tank in sequence.
20. The closed loop aquaculture system of claim 19 wherein said first biochemical decomposer contains a biological ammonia nitrogen scavenger and said second biochemical decomposer contains a bacteria-enhancing filter.
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