CN111194721A - Water circulation system for aquaculture - Google Patents
Water circulation system for aquaculture Download PDFInfo
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- CN111194721A CN111194721A CN202010098826.1A CN202010098826A CN111194721A CN 111194721 A CN111194721 A CN 111194721A CN 202010098826 A CN202010098826 A CN 202010098826A CN 111194721 A CN111194721 A CN 111194721A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000009360 aquaculture Methods 0.000 title claims abstract description 28
- 244000144974 aquaculture Species 0.000 title claims abstract description 28
- 239000010865 sewage Substances 0.000 claims abstract description 69
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 23
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- 238000000429 assembly Methods 0.000 claims abstract description 9
- 241000251468 Actinopterygii Species 0.000 claims abstract description 7
- 241000251511 Holothuroidea Species 0.000 claims abstract description 5
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- 238000000926 separation method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000009395 breeding Methods 0.000 claims description 6
- 230000001488 breeding effect Effects 0.000 claims description 6
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- 125000004122 cyclic group Chemical group 0.000 abstract description 2
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Chemical & Material Sciences (AREA)
- Animal Husbandry (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Insects & Arthropods (AREA)
- Birds (AREA)
- Zoology (AREA)
- Water Supply & Treatment (AREA)
- Food Science & Technology (AREA)
- Hydrology & Water Resources (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention belongs to the technical field of aquaculture, and discloses a water circulation system for aquaculture, which comprises a first aquaculture pond, a sewage collecting and precipitating pond, a dehydration device, a first sterilization and disinfection device, a second aquaculture pond, a plant planting field, a water treatment device and a water supply pond; the bottom of the first culture pond and the bottom of the second culture pond are provided with sewage discharge assemblies, the first culture pond and the second culture pond are connected with a sewage collection and sedimentation pond through the sewage discharge assemblies, the bottom of the sewage collection and sedimentation pond is connected with the second culture pond through a dehydration device, the bottom of the sewage collection and sedimentation pond is connected with a plant planting field through a first sterilization and disinfection device, the upper part of the sewage collection and sedimentation pond is connected with a water supply pond through a water treatment device, and the water supply pond is connected with the first culture pond and the second culture pond; the first culture pond is a fish or shrimp culture pond, and the second culture pond is a sea cucumber culture pond. The water circulation system of the invention realizes the cyclic utilization of the water for aquaculture and simultaneously makes full use of resources.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to a water circulation system for aquaculture.
Background
The facility fishery is an intensive high-density culture industry developed in the middle of the 20 th century, integrates multiple disciplines such as modern engineering, electromechanics, biology, environmental protection, feed science and the like, creates good water and environmental conditions suitable for fish growth and reproduction on land or on the sea by using various latest technological means, places fish culture in a manual control state, and realizes stable and high yield of the fish all the year round by using a scientific intensive culture technology. Because the method is based on environmental protection and closely combines the industry and the environment, the method has wide development prospect.
In the last two decades, in order to save construction cost and improve land utilization rate, pond culture facilities in China generally adopt a mode of 'water inlet and outlet channel + culture pond' to construct ponds, the operation of intensive pond culture production is mainly guaranteed by using water quality of water sources, oxygen-increasing machines, chemical agents, probiotics and the like, but the mode has poor capacity of resisting environmental water quality change and water area pollution accidents, the culture system has the problems of water quality degradation, pond aging and the like, the discharge of rich nutrient substances in the culture process also aggravates increasingly fragile natural water area purification capacity, and the phenomena of disease inundation and drug residue frequently occur. In the high-yield pond culture process, most of water quality regulation and control rely on a large amount of water change to achieve the purpose of improving the water body of the pond, under the culture operation mode, pond wastewater with high content of nitrogen (N), phosphorus (P), organic matters and the like pollutes culture water environment, the phenomenon of water eutrophication is increasingly serious, an environmental ecosystem is damaged, parasitic microorganisms are bred, high-density intensive pond culture operation is maintained by highly relying on the use of chemical medicines, and the sanitary safety of fish product quality is directly threatened.
To the above problems existing in the prior art, it is urgently needed to provide a water circulation system, which is combined with conventional pond culture, meets the water quality requirement of aquaculture, avoids environmental pollution, and can realize the maximum utilization of resources.
Disclosure of Invention
In view of the above situation, the present invention provides a water circulation system for aquaculture, which can realize the water circulation for aquaculture by a more ecological and environment-friendly method, and simultaneously combine the cultivation of different aquatic products and plant cultivation to make full use of resources.
The invention provides a water circulation system for aquaculture, which comprises a first culture pond, a sewage collecting and precipitating pond, a dewatering device, a first sterilizing and disinfecting device, a second culture pond, a plant planting field, a water treatment device and a water supply pond;
the bottom of the first culture pond and the bottom of the second culture pond are provided with sewage discharge assemblies, the first culture pond and the second culture pond are connected with a sewage collection and sedimentation pond through the sewage discharge assemblies, the bottom of the sewage collection and sedimentation pond is connected with the second culture pond through a dehydration device, the dehydration device is connected with a water treatment device, the bottom of the sewage collection and sedimentation pond is connected with a plant planting field through a first sterilization and disinfection device, the upper part of the sewage collection and sedimentation pond is connected with a water supply pond through the water treatment device, and the water supply pond is connected with the first culture pond and the second culture pond;
the first culture pond is a fish or shrimp culture pond, and the second culture pond is a sea cucumber culture pond;
the water treatment device comprises a first biological filter tank, a second biological filter tank, a water quality adjusting tank and a second sterilization and disinfection device, a first filter assembly is arranged above the first biological filter tank, the sewage collection sedimentation tank is connected with the first biological filter tank through the first filter assembly, the first biological filter tank is connected with the second biological filter tank, the second biological filter tank is connected with the water quality adjusting tank, and the water quality adjusting tank is connected with the water supply tank through the second sterilization and disinfection device.
In the invention, the sewage discharge assemblies are arranged in the first culture pond and the second culture pond, so that partial dirt (sedimentary dirt) in the first culture pond and the second culture pond can be discharged at any time according to requirements, and meanwhile, purified water is added, so that cultured objects can be kept in a relatively clean water environment, and diseases and the like caused by pollution are avoided. Of course, if the water pollution reaches a certain degree, the water can be completely pumped out and changed.
Preferably, the sewage discharge assembly comprises a separation net, a separation net cleaning assembly, a sewage collecting pipe, a sewage suction pump and a sewage discharge pipe;
the partition net is horizontally and detachably arranged at the lower part of the first culture pond or the second culture pond, the partition net cleaning assembly comprises two cleaning brushes, two screw rods and a driving motor, the two screw rods are horizontally and rotatably fixed on the first culture pond or the second culture pond above the partition net, one ends of the two screw rods are respectively connected with the driving motor, the cleaning brushes are in threaded connection with the two screw rods, and bristles of the cleaning brushes are in contact with the partition net;
the first pond of breeding or the second below of breeding that the blow off pipe is located, and the feed end of blow off pipe extends the bottom center department in first breed pond or the second breed pond, and the discharge end of blow off pipe links to each other with sewage collection sedimentation tank, take out on the sewage pump locates the blow off pipe, dirty pipe of collection is equipped with four, and the one end of four dirty pipes of collection extends the four corners in first breed pond or the second breed pond respectively, and the other end links to each other with the feed end of blow off pipe, and it has a plurality of dirty holes of advancing to equally divide cloth on four dirty pipes of collection.
In the invention, at least two first culture ponds are arranged; at least two second culture ponds are arranged; the plant planting field is provided with at least two blocks. The culture in each first culture pond can be the same or different, and the plants planted in the plant planting field can be planted according to the needs.
Preferably, the aperture of the separation net in the first culture pond and the second culture pond is smaller than that of the culture in the first culture pond and the second culture pond. According to the sewage discharge assembly, the culture is isolated from the sewage through the separation net, the culture is prevented from being pumped into the sewage collection and sedimentation tank by mistake, and meanwhile, the cleaning assembly is arranged above the separation net, so that the sewage adhered to the separation net can be cleaned.
Preferably, the first filtering component is a filtering tank, and the aperture of a filtering net at the bottom of the filtering tank is 0.5-1 mm. The filter tank can filter out large-particle floating substances in water and carry out primary filtration on the water.
Preferably, a plurality of layers of biological filter materials are arranged in the first biological filter tank and the second biological filter tank, and the specific surface area of the biological filter materials is not less than 3 x 104cm2(ii) in terms of/g. Microorganisms such as nitrobacteria are attached to the biological filter material, the biological filter material can provide enough growth space for the nitrobacteria, the nitrobacteria propagate by taking ammonia nitrogen and nitrite in the water body as nutrition, and the toxic ammonia nitrogen and nitrite are converted into non-toxic nitrate, so that the aim of purifying the water quality is fulfilled.
Further preferably, the water enters from the upper part and is discharged from the lower part of the first biological filtration tank, and the water in the first biological filtration tank enters from the lower part and is discharged from the upper part of the second biological filtration tank. The water passes through the two-stage biological filter tank, and harmful substances in the water can be completely removed.
In the invention, an oxygenation device, a pH detection device and a mineral substance detection device are arranged in the water quality adjusting tank. The water quality is adjusted according to the requirement, and the oxygenation device, the pH detection device and the mineral substance detection device are all arranged conventionally in the prior art.
Preferably, the first and second sterilization devices are ultraviolet sterilization devices.
The invention also comprises other components which can enable the aquaculture water circulation system to normally operate, and the components can be conventionally arranged according to the prior art, such as a pump, a valve and the like which can enable water to be orderly delivered. In addition, the devices not described in the present invention are conventional in the art.
The function principle of the water circulation system for aquaculture comprises the following steps: sewage is pumped to a sewage collecting and precipitating tank by a sewage discharging assembly in the first culture tank and the second culture tank, the sewage is precipitated, supernatant is conveyed to a water treatment device for treatment, part of lower-layer sewage is dehydrated by a dehydration device, solid can be directly used as feed for culture in the second culture tank, water is conveyed to the water treatment device for treatment, the other part of the sewage is used as fertilizer for plants after sterilization and disinfection, the water after treatment by the water treatment device enters a water supply tank for the first culture tank and the second culture tank, and the water treatment device treats the wastewater by a biological fermentation and filtration treatment method.
Compared with the prior art, the invention has the following advantages:
1) in the invention, the dirt in the sewage collection and sedimentation tank is dehydrated to be used as the feed of the sea cucumber, and the dirt can be used as the fertilizer for planting plants after being sterilized and disinfected;
2) the first culture pond and the second culture pond adopt the sewage discharge assembly with a specific structure, and the sewage discharge assembly can discharge precipitated sewage in the sewage collection and sedimentation pond in time through reasonable structural arrangement, so that the cleanness of the first culture pond and the second culture pond is ensured;
3) the water treatment device has a simple structure, can treat water cleanly, and ensures the recycling of the treated water.
Drawings
FIG. 1: the invention discloses a structural schematic diagram of a water circulation system for aquaculture.
FIG. 2: fig. 1 is a left side view of the first culture pond.
FIG. 3: fig. 1 is a schematic structural view of a water treatment apparatus.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
As shown in fig. 1-3, an aquaculture water circulation system comprises a first culture pond 1, a sewage collection and sedimentation tank 2, a dehydration device 3, a first sterilization device 4, a second culture pond 5, a plant growing field 6, a water treatment device 7 and a water supply pond 8;
the bottom of the first culture pond 1 and the bottom of the second culture pond 5 are provided with sewage discharge assemblies, the first culture pond 1 and the second culture pond 5 are connected with a sewage collection and sedimentation pond 2 through the sewage discharge assemblies, the bottom of the sewage collection and sedimentation pond 2 is connected with the second culture pond 5 through a dehydration device 3, the dehydration device 3 is connected with a water treatment device 7, the bottom of the sewage collection and sedimentation pond 2 is connected with a plant planting field 6 through a first sterilization device 4, the upper part of the sewage collection and sedimentation pond 2 is connected with a water supply pond 8 through the water treatment device 7, and the water supply pond 8 is connected with the first culture pond 1 and the second culture pond 5;
the first culture pond 1 is a fish or shrimp culture pond, and the second culture pond 5 is a sea cucumber culture pond;
the water treatment device 7 comprises a first biological filter tank 7-1, a second biological filter tank 7-2, a water quality adjusting tank 7-3 and a second sterilization and disinfection device 7-4, a first filter assembly 7-5 is arranged above the first biological filter tank 7-1, the sewage collection and sedimentation tank 2 is connected with the first biological filter tank 7-1 through the first filter assembly 7-5, the first biological filter tank 7-1 is connected with the second biological filter tank 7-2, the second biological filter tank 7-2 is connected with the water quality adjusting tank 7-3, and the water quality adjusting tank 7-3 is connected with the water supply tank 8 through the second sterilization and disinfection device 7-4.
The sewage discharge assembly comprises a separation net 9, a separation net cleaning assembly, a sewage collecting pipe 10, a sewage suction pump 11 and a sewage discharge pipe 12;
the partition net 9 is horizontally and detachably arranged at the lower part of the first culture pond 1 or the second culture pond 5, the partition net cleaning assembly comprises a cleaning brush 13, two screw rods 14 and a driving motor 15, the screw rods 14 are arranged, the two screw rods 14 are horizontally and rotatably fixed on the first culture pond 1 or the second culture pond 5 above the partition net 9, one ends of the two screw rods 14 are respectively connected with the driving motor 15, the cleaning brush 13 is in threaded connection with the two screw rods 14, and bristles of the cleaning brush 13 are in contact with the partition net 9;
the first pond 1 or the second of breeding that blow off pipe 12 is located breeds 5 belows in the pond, and the feed end of blow off pipe 12 extends the bottom center department that pond 1 or the second was bred to the first pond of breeding 1, and the discharge end of blow off pipe 12 links to each other with sewage collection sedimentation tank 2, take out dirty pump 11 and locate on blow off pipe 12, dirty pipe 10 of collection is equipped with four, and the one end of four dirty pipes 10 of collection extends the four corners of pond 1 or the second is bred respectively, and the other end links to each other with the feed end of blow off pipe 12, and it has a plurality of dirty holes of advancing to equally divide cloth on four dirty pipes 10 of collection.
Two first culture ponds 1 are arranged; two second culture ponds 5 are arranged; two plant planting fields 6 are provided.
The aperture of the partition net 9 in the first culture pond 1 and the second culture pond 5 is smaller than that of the culture in the first culture pond and the second culture pond.
The first filtering component 7-5 is a filtering tank, and the aperture of a filtering net at the bottom of the filtering tank is 0.5-1 mm.
A plurality of layers of biological filter materials are arranged in the first biological filter tank 7-1 and the second biological filter tank 7-2, and the specific surface area of the biological filter materials is not less than 3 multiplied by 104cm2/g。
Water enters from the upper part of the first biological filtration tank 7-1 and is discharged from the lower part, and water in the first biological filtration tank 7-1 enters from the lower part of the second biological filtration tank 7-2 and is discharged from the upper part.
The water quality adjusting tank 7-3 is provided with an oxygenation device, a pH detection device and a mineral substance detection device, which are not shown.
The first sterilization and disinfection device 4 and the second sterilization and disinfection device 7-4 are ultraviolet sterilization and disinfection devices.
The action principle of the water circulation system for aquaculture comprises the following steps: sewage is pumped to the sewage collecting and precipitating tank 2 by the sewage discharging assembly in the first culture tank 1 and the second culture tank 5, the sewage is precipitated, supernatant is conveyed to the water treatment device 7 for treatment, part of lower-layer sewage is dehydrated by the dehydration device 3, solid can be directly used as feed for culture in the second culture tank 5, water is conveyed to the water treatment device 7 for treatment, the other part is used as fertilizer for plants after sterilization and disinfection, the water treated by the water treatment device 7 enters the water supply tank 8 for the first culture tank 1 and the second culture tank 5, and the water treatment device 7 treats wastewater through a biological fermentation filtration treatment method.
The circulating system realizes the cyclic utilization of water for aquaculture, combines the culture and plant planting of different aquatic products, and makes full and reasonable use of resources.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (9)
1. An aquaculture water circulation system, includes first breed pond, its characterized in that: the device also comprises a sewage collecting and settling tank, a dehydration device, a first sterilization and disinfection device, a second culture tank, a plant planting field, a water treatment device and a water supply tank;
the bottom of the first culture pond and the bottom of the second culture pond are provided with sewage discharge assemblies, the first culture pond and the second culture pond are connected with a sewage collection and sedimentation pond through the sewage discharge assemblies, the bottom of the sewage collection and sedimentation pond is connected with the second culture pond through a dehydration device, the dehydration device is connected with a water treatment device, the bottom of the sewage collection and sedimentation pond is connected with a plant planting field through a first sterilization and disinfection device, the upper part of the sewage collection and sedimentation pond is connected with a water supply pond through the water treatment device, and the water supply pond is connected with the first culture pond and the second culture pond;
the first culture pond is a fish or shrimp culture pond, and the second culture pond is a sea cucumber culture pond;
the water treatment device comprises a first biological filter tank, a second biological filter tank, a water quality adjusting tank and a second sterilization and disinfection device, a first filter assembly is arranged above the first biological filter tank, the sewage collection sedimentation tank is connected with the first biological filter tank through the first filter assembly, the first biological filter tank is connected with the second biological filter tank, the second biological filter tank is connected with the water quality adjusting tank, and the water quality adjusting tank is connected with the water supply tank through the second sterilization and disinfection device.
2. The aquaculture water circulation system of claim 1, wherein: the sewage discharge assembly comprises a separation net, a separation net cleaning assembly, a sewage collecting pipe, a sewage pump and a sewage discharge pipe;
the partition net is horizontally and detachably arranged at the lower part of the first culture pond or the second culture pond, the partition net cleaning assembly comprises two cleaning brushes, two screw rods and a driving motor, the two screw rods are horizontally and rotatably fixed on the first culture pond or the second culture pond above the partition net, one ends of the two screw rods are respectively connected with the driving motor, the cleaning brushes are in threaded connection with the two screw rods, and bristles of the cleaning brushes are in contact with the partition net;
the first pond of breeding or the second below of breeding that the blow off pipe is located, and the feed end of blow off pipe extends the bottom center department in first breed pond or the second breed pond, and the discharge end of blow off pipe links to each other with sewage collection sedimentation tank, take out on the sewage pump locates the blow off pipe, dirty pipe of collection is equipped with four, and the one end of four dirty pipes of collection extends the four corners in first breed pond or the second breed pond respectively, and the other end links to each other with the feed end of blow off pipe, and it has a plurality of dirty holes of advancing to equally divide cloth on four dirty pipes of collection.
3. The aquaculture water circulation system of claim 1 or 2, wherein: at least two first culture ponds are arranged; at least two second culture ponds are arranged; the plant planting field is provided with at least two blocks.
4. The aquaculture water circulation system of claim 2, wherein: the aperture of the partition net in the first culture pond and the second culture pond is smaller than that of the culture in the first culture pond and the second culture pond.
5. The aquaculture water circulation system of claim 1, wherein: the first filtering component is a filtering tank, and the aperture of a filtering net at the bottom of the filtering tank is 0.5-1 mm.
6. The aquaculture water circulation system of claim 1, wherein: a plurality of layers of biological filter materials are arranged in the first biological filter tank and the second biological filter tank, and the ratio of the biological filter materialsSurface area of not less than 3 x 104cm2/g。
7. The aquaculture water circulation system of claim 6, wherein: the water enters from the upper part of the first biological filtering tank and is discharged from the lower part of the first biological filtering tank, and the water in the first biological filtering tank enters from the lower part of the second biological filtering tank and is discharged from the upper part of the second biological filtering tank.
8. The aquaculture water circulation system of claim 1, wherein: and an oxygenation device, a pH detection device and a mineral substance detection device are arranged in the water quality adjusting tank.
9. The aquaculture water circulation system of claim 1, wherein: the first sterilization and disinfection device and the second sterilization and disinfection device are ultraviolet sterilization and disinfection devices.
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| CN202010098826.1A CN111194721A (en) | 2020-02-18 | 2020-02-18 | Water circulation system for aquaculture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010098826.1A CN111194721A (en) | 2020-02-18 | 2020-02-18 | Water circulation system for aquaculture |
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| CN111194721A true CN111194721A (en) | 2020-05-26 |
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Application publication date: 20200526 |