CN109220965B - Circulating water culture container and culture system - Google Patents
Circulating water culture container and culture system Download PDFInfo
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- CN109220965B CN109220965B CN201811358993.4A CN201811358993A CN109220965B CN 109220965 B CN109220965 B CN 109220965B CN 201811358993 A CN201811358993 A CN 201811358993A CN 109220965 B CN109220965 B CN 109220965B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 169
- 239000010865 sewage Substances 0.000 claims abstract description 77
- 230000002550 fecal effect Effects 0.000 claims abstract description 63
- 238000003860 storage Methods 0.000 claims abstract description 49
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000009360 aquaculture Methods 0.000 claims description 42
- 244000144974 aquaculture Species 0.000 claims description 42
- 241000251468 Actinopterygii Species 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 22
- 210000003608 fece Anatomy 0.000 claims description 16
- 230000001737 promoting effect Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000010871 livestock manure Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000003134 recirculating effect Effects 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- -1 canvas Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000009395 breeding Methods 0.000 description 7
- 230000001488 breeding effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
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- 238000012546 transfer Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides a circulating water culture container, which belongs to the field of fishery equipment and technology, and comprises a culture container, a fecal sewage storage container and a fecal sewage output device; the upper part of the culture container is surrounded by at least one permeable side wall and the rest impermeable side walls, the lower part of the culture container is a dirt collecting side wall which is in inclined transition from the lower ends of the permeable side wall and the impermeable side wall to the center, and the lower end of the dirt collecting side wall is connected with a fecal sewage storage container; the excrement storage container is a hollow container with an opening at the upper end and is communicated with the culture container upwards; wherein, a fecal sewage sinking switch which can be opened and closed is arranged between the fecal sewage storage container and the culture container; the fecal sewage storage container is communicated with a fecal sewage output device, and the fecal sewage output device is used for discharging stored fecal sewage from the fecal sewage storage container. The invention also discloses a circulating water culture system.
Description
Technical Field
The invention relates to a fishery cultivation technology and equipment, in particular to a circulating water cultivation container and a cultivation system.
Background
The global circulating aquaculture industry develops rapidly, becomes one of the fastest growing poles in the aquaculture mode, and has the advantages of water saving, land saving and convenient site selection; the water temperature and the water quality environment are controllable; the biological safety and reliability, little or no medicine use and good quality; the yield is high; controllable pollution, effective emission reduction and the like.
The circulating water culture is an advanced form of facility aquaculture, and an optimally grown water environment is created for a water production culture production system through engineering technology and facility equipment, so that the purposes of high yield, high quality, high efficiency and environmental protection are achieved. The facility aquaculture accounts for about 10% of the total aquaculture amount, and is far lower than the production proportion of livestock and poultry aquaculture facilities, because the aquaculture equipment system has high cost and high running cost, has obvious technical defects, and has reconstruction and innovation space.
In the development process of aquaculture equipment, improvement of aquaculture containers such as net cages, cement ponds, glass fiber reinforced plastic ponds and the like is mainly focused; the research and development and perfection of breeding equipment such as oxygenation, bait casting and the like are also paid attention to; integrates a plurality of industrial cultivation facilities and develops a plurality of matched equipment. However, in the existing cultivation equipment, the excrement is in long-term contact with the cultivated organisms, so that the excrement is easy to be stirred up to increase the sedimentation difficulty, the subsequent collection, concentration and transfer of the excrement out of the water body are affected, and the pollution degree of the cultivation water area is limited. The core of the industrial ecological breeding system and technology is to collect pollution discharge, effectively discharge residual baits and feces in fish breeding into water in time, is a key measure for relieving water purification treatment pressure and guaranteeing the water quality of breeding to reach the standard, is a key measure for revolutionary innovation of traditional breeding, and is to fully exert the characteristics and advantages of the system, improve the breeding performance level, realize the aims of high yield, product safety, resource conservation and environmental friendliness, and the design construction and operation management of a pollution discharge collection area of the industrial ecological breeding system need to be paid attention to and optimized.
In order to reduce the damage of aquaculture to the environment, reduce the pollution of aquaculture tail water to an aquaculture water area, improve the aquaculture yield and benefit while guaranteeing the quality safety of aquatic products, it is necessary to develop an aquaculture container and an aquaculture system with the excrement sedimentation and convergence function, and the problem of aquaculture non-point source pollution is effectively assisted to be solved.
Disclosure of Invention
In order to overcome the problems in the prior art, the circulating water culture container is characterized by comprising a culture container, a fecal sewage storage container and a fecal sewage output device; the upper part of the culture container is surrounded by at least one water permeable side wall and the rest of water impermeable side walls, the lower part of the culture container is a dirt collecting side wall which is in inclined transition from the lower ends of the water permeable side wall and the water impermeable side wall to the center, and the lower end of the dirt collecting side wall is connected with the excrement storage container; the excrement storage container is a hollow container with an opening at the upper end, and is communicated with the culture container upwards; wherein, at least one openable and closable fecal sewage sinking switch is arranged between the fecal sewage storage container and the culture container; the fecal sewage storage container is communicated with the fecal sewage output device, and the fecal sewage output device is used for discharging the fecal sewage stored in the fecal sewage storage container.
In the circulating water culture container provided by the invention, the upper part of the culture container is rectangular or circular, the bottom of the culture container is flat-bottom or inclined-bottom, the length is 4.0-100.0 m, the width is 2.0-50.0 m, and the height is 1.0-8.0 m.
In the circulating water culture container provided by the invention, the material of the watertight side wall adopts any combination of at least one or more materials selected from brick-concrete, metal, plastic, glass fiber reinforced plastic, canvas and chemical fiber cloth, or adopts membranous, platy and less than 4mm 2 At least one of the small pore mesh materials or any combination of the multiple shape materials is used for separating the inside and the outside of the cultivating container into relatively independent spaces.
In the circulating water culture container provided by the invention, the culture container is placed in a culture water body, the upper opening of the culture container is higher than the water surface, and the depth of the permeable side wall of the culture container immersed in water is 0.1-2.5 meters.
In the circulating water culture container provided by the invention, the dirt collecting side wall is further provided with an openable and closable channel, and the channel is used for balancing the internal and external water levels of the culture container when the culture water body is added with water or discharged.
In the circulating water culture container provided by the invention, the fecal sewage sinking switch comprises a first cover plate and a second cover plate which are stacked up and down, wherein the second cover plate is fixed with the upper end of the fecal sewage storage container, and the first cover plate is arranged above the second cover plate in a sliding way; the first cover plate and the second cover plate are respectively provided with at least one opening, and when the first cover plate moves on the second cover plate to correspond to the upper opening and the lower opening, the excrement sinking switch is opened.
In the circulating water culture container provided by the invention, the number of the openings is one or more, the openings are distributed on the first cover plate and the second cover plate, the openings are in one-to-one correspondence with each other between the two layers of cover plates, and the openings are simultaneously opened when the openings are mutually overlapped or superposed.
In the circulating water culture container provided by the invention, the cross section area of the excrement storage container is 0.01-1.0m 2 The ratio of the length of the excrement storage container to the length of the culture container is 0.25-1.
In the circulating water culture container provided by the invention, the excrement storage container is provided with a closable water inlet and a water outlet, the water outlet is connected with the excrement output device through a pipeline, and the water inlet is arranged at the opposite end of the water outlet in a closing manner; when the fecal sewage sinking switch is closed, water flows in from the opened water inlet, and fecal sewage flows out from the water outlet along with the water flow direction.
In the circulating water culture container provided by the invention, the excrement output device is connected with a control valve through a pipeline, and the control valve is connected with a water pump; the pipeline is connected with a filter, the filter comprises at least two layers of filter media, and the thickness of fine sand on the surface layer of the filter media is greater than 0.1 meter, so that the filter is used for intercepting solid manure of aquatic organisms.
In the circulating water culture container provided by the invention, the upper end of the culture container is further provided with the fish blocking structure, the fish blocking structure comprises fixed brackets extending upwards from the periphery of the culture container, fish blocking nets are arranged between the fixed brackets, and the height of each fish blocking net is 0.1-3.5 m; or the fish blocking structure comprises a fish blocking net horizontally arranged at the top of the culture container.
The invention also provides a circulating water culture system, which comprises: at least one recirculating aquaculture vessel of any one of claims 1 to 11; at least one water flow promoting device; and at least one blowdown mechanism; the water flow promoting device is arranged on the front side or the rear side of the water permeable side wall, water is guided to pass through or cross the water permeable side wall and enter the culture container, and the height of the water permeable side wall is positioned in the lift of the water flow promoting device; the sewage discharging mechanism is connected with one excrement and sewage output device through a pipeline, and then is connected with a filter at the rear end through the pipeline to separate solid excrement and sewage from free water.
In the circulating water culture system provided by the invention, a plurality of culture containers are mutually connected in parallel, the external control valve of each excrement and urine output device is connected through a pipeline, the plurality of circulating water culture containers are mutually communicated, and the rear end of the pipeline is connected with a sewage discharge mechanism, so that separated controllable sewage discharge among the circulating water culture container systems is realized.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention solves the technical problem that the movement distance of the excrement generated by the conventional rear-end excrement collecting equipment system is long, the adopted excrement storage container is positioned below the culture container, and the excrement is deposited nearby and enters the excrement storage container. By opening and closing the fecal sewage sinking switch, the problems that the fecal sewage is dispersed and dissolved and the water pollution is aggravated due to the stirring of the fish body due to long contact time and long contact distance of the fecal sewage and the cultured organisms are solved, the influence of the movement of the cultured organisms on the fecal sewage is reduced, and the shape and the size of the fecal sewage are maintained.
2. The culture system provided by the invention has the technical effects that the feces and the clean water are relatively separated, so that the clean water flows away from the upper layer, the feces are stored and transferred at the bottom, and the clean water does not need to be treated, so that the treatment capacity of conventional culture tail water is reduced.
3. The water outlet of the water flow promoting device is close to the water surface, and is closer to the water surface than the conventional water pushing device, so that the service efficiency of the water flow promoting device can be improved, and the water exchange quantity can be improved by 30-40% under the condition of the same energy consumption.
4. The upper surface of the culture container is provided with a net structure, is suitable for the culture environment with water level lifting, and is especially suitable for the water level lifting of coastal tidal zones, offshore tidal zones and lakes and reservoirs.
5. The excrement storage container arranged at the rear end of the bottom of the culture container can collect and store excrement efficiently in a short distance in a short time, and meanwhile, the excrement storage container is used as a moving channel for excrement, the transfer efficiency of solid sinking excrement reaches 80-95%, and the problem of culture non-point source pollution is effectively solved.
6. The sewage suction channel is fixed and not moved, so that the problem of suitability of equipment and sewage during sewage suction operation is avoided.
Drawings
FIG. 1 is a schematic view of a circulating aquaculture container according to the present invention.
FIG. 2 is a front view of the culture container.
Fig. 3 is a schematic diagram of a fecal sewage dip switch.
Fig. 4 is a longitudinal sectional view of the fecal sewage storage container.
FIG. 5 is a perspective view of a circulating aquaculture container provided with a fish blocking structure.
FIG. 6 is a top view of a recirculating aquaculture system in a side-by-side arrangement.
In the figure, the device comprises a 100-culture container, a 200-water flow promoting device, a 300-sewage discharging mechanism, a 1-water permeable side wall, a 2-water impermeable side wall, a 3-dirt collecting side wall, a 4-feces storage container, a 5-feces output device, a 6-feces sinking switch, a 31-channel, a 41-water inlet, a 42-water outlet, a 61-first cover plate, a 62-second cover plate, a 63-opening, a 71-fixed support and a 72-fish blocking net.
Detailed Description
The circulating aquaculture container and the aquaculture system according to the present invention will now be described in more detail with reference to the accompanying schematic drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art can modify the invention described herein while still achieving the advantageous effects of the invention. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the invention.
As shown in fig. 1 to 6, the circulating water culture container 100 of the present invention comprises a culture container, a fecal sewage storage container and a fecal sewage output device 5; the upper part of the culture container is surrounded by at least one water permeable side wall 1 and the rest of water impermeable side walls 2, the lower part of the culture container is a dirt collecting side wall 3 which is in inclined transition from the lower ends of the water permeable side wall 1 and the water impermeable side wall 2 to the center, and the lower end of the dirt collecting side wall 3 is connected with the excrement storage container; the excrement storage container is a hollow container with an opening at the upper end, and is communicated with the culture container upwards; wherein, a fecal sewage sinking switch 6 which can be opened and closed is arranged between the fecal sewage storage container and the culture container; the upper part, the horizontal side surface or the bottom of the excrement storage container 5 is communicated with the excrement output device 5, and the excrement output device 5 is used for discharging stored excrement from the excrement storage container.
More specifically, in the embodiment, the culture container is 4.0-100.0 m long, 2.0-50.0 m wide and 1.0-8.0 m high, the horizontal section is rectangular or circular, and the bottom is flat bottom or inclined bottom. The upper part of the culture container is provided with two water permeable side walls 1 and two water impermeable side walls 2. The permeable sidewall 1 is porous or net-shaped, is smaller than 1/2 of the overall height, and has the function of blocking the entry and exit of the cultured organisms and enabling the water level to be approximately the same inside and outside the culture container, and the permeable sidewall 1 serves as a channel 31 for the entry and exit of the water body into and out of the culture container. The water-impermeable side wall 2 is made of at least one or more materials selected from brick-concrete structure, metal, plastic, glass fiber reinforced plastic, canvas and chemical fiber cloth, and is in the shape of film, plate or less than 4mm 2 Is made of at least one or any combination of a plurality of shapes in the small hole grid-shaped material, and separates the inside and the outside of the cultivating container into relatively independent spaces. In this embodiment, the whole cultivation container is fixed in water, the upper opening of the cultivation container is higher than the water surface, the lower part of the permeable side wall 1 is immersed below the water surface, the height of the permeable area is smaller than that of the permeable side wall 1, and the depth of the part of the permeable side wall 1 immersed in water is 0.1-2.5 m.
The lower part of the culture container is provided with a dirt collecting side wall 3 which is inclined towards the center of the culture container, and the overall shape of the dirt collecting side wall 3 is adjusted according to the structure of the upper part of the culture container. For example, the dirt collecting side wall 3 below the upper part of the triangular culture container is in an inverted pyramid shape; the dirt collecting side wall 3 below the upper part of the rectangular or square culture container forms an inverted cone; the dirt collecting side wall 3 below the upper part of the circular or elliptic culture container forms an inverted cone. Dirt collectionThe side wall 3 is provided with at least one closable passage 31 near the bottom, which serves as a passage 31 for balancing the water level inside and outside the cultivation container when water is added or discharged to or from the cultivation water area. This channel 31 closes when the external water level is too low, ensuring that the water level in the culture vessel drops out of sync. The excrement storage container is an elongated cavity tube container with an upward opening 63 and is arranged near horizontally and used for storing excrement for a short time. The cross section area of the excrement storage container is 0.01-1.0m 2 The rear end parallel to the water flow direction is arranged towards the front end, and the length of the excrement storage container is 0.25-1.0 of the length of the culture container.
The fecal sewage sinking switch 6 is arranged between the fecal sewage storage container 5 and the culture container and comprises a first cover plate 61 and a second cover plate 62 which are stacked up and down, the second cover plate 62 is fixed with the upper end of the fecal sewage storage container, and the first cover plate 61 is arranged above the second cover plate 62 in a sliding way; the first cover plate 61 and the second cover plate are each provided with at least one opening 63. The openings 63 are in one-to-one correspondence with each other up and down. The first cover plate 61 moves on the second cover plate 62 to correspond to the upper opening 63 and the lower opening 63, and when the first cover plate is at least partially overlapped, the fecal sewage sinking switch 6 is opened. The number of the openings 63 is one or more, and a plurality of the openings 63 are distributed over the first cover plate 61 and the second cover plate 62. Theoretically, the total length of the opening 63 occupies less than half of the total length of the first cover plate 61 or the second cover plate 62, otherwise, the opening 63 and the opening 63 cannot be completely closed. The movement of the first cover plate 61 relative to the second cover plate 62 may be controlled from outside the culture container by a gear assembly or other structure such as a connecting member.
The on fecal sewage sinking switch 6 allows the fecal sewage to sink into the fecal sewage storage container 5. The closed manure sinking switch 6 allows manure and clear water to move in a branched way, and the manure is discharged, so that solid manure and water in aquaculture are separated in time, and the dissolution and fermentation of the solid manure are reduced.
The excrement storage container 5 is provided with a closable water inlet and a water outlet, the water outlet is connected with the excrement output device 5 through a pipeline, and the water inlet is arranged at the opposite end of the water outlet in a closing way; when the fecal sewage sinking switch 6 is closed, water flows in from the opened water inlet, and fecal sewage flows out from the water outlet along with the water flow direction. More specifically, the fecal sewage output device 5 is connected with a control valve through a pipeline, and the control valve is connected with a water pump; the pipeline is connected with a filter, the filter comprises at least two layers of filter media, and the thickness of fine sand on the surface layer of the filter media is greater than 0.1 meter and is used for intercepting the excrement and the sewage of aquatic organisms.
The excrement storage container arranged at the bottom of the culture container can collect the excrement efficiently in a short distance in a short time, and meanwhile, the excrement storage container is used as a movement channel 31 for the excrement, is separated from clear water, the transfer efficiency of the solid sinking excrement reaches 80-95%, and the problem of non-point source pollution of culture is effectively solved.
In the circulating water culture container 100 provided by the invention, the upper end of the culture container is further provided with a fish blocking structure, the fish blocking structure comprises fixed brackets 71 extending upwards from the periphery of the culture container, fish blocking nets 72 are arranged between the fixed brackets 71, and the height of each fish blocking net 72 is 0.1-3.5 m; alternatively, the fish blocking structure comprises a fish blocking net 72 horizontally arranged on the top of the culture container, and the fish blocking structure is arranged to prevent the fish from escaping the culture container due to water level rising and/or culture organism jumping, so that the application space in the water level lifting water area is increased.
By using the circulating water culture container 100, the technical problem that the movement distance of the feces generated by a conventional rear-end feces collection equipment system is long is solved, the adopted feces storage container 5 is positioned below the culture container, and the feces are deposited nearby and enter the feces storage container. By opening and closing the fecal sewage sinking switch 6, the problems that the fecal sewage is dispersed and dissolved and the water pollution is aggravated due to the stirring of the fish body and the contact distance is long and the fecal sewage is easy to be dispersed and dissolved are solved, the influence of the motion of the cultured organism on the fecal sewage is reduced, and the shape and the size of the fecal sewage are maintained.
Based on the circulating aquaculture container 100 described above, a circulating aquaculture system is further constructed comprising a plurality of the circulating aquaculture containers 100, a plurality of water flow promoting devices 200 and at least one sewage disposal mechanism 300. The water flow promoting device 200 is a conventional mechanical water pumping device or an axial flow electric pump or a pneumatic flow promoting device for releasing compressed air into water to promote the movement of water, the lift is smaller than 15 meters, the water flow promoting device 200 is arranged on the front side or the rear side of the water permeable side wall 1, water flow is guided to pass through or cross the water permeable side wall 1, and the height of the water permeable side wall 1 is positioned in the lift of the water flow promoting device 200, so that the exchange of the water body inside and outside the culture container is realized. Preferably, the water outlet of the water promotion device 200 is close to the water surface, so that the use efficiency of the water promotion device 200 can be improved, and the water exchange amount is improved by 30-40% compared with that of the conventional water pushing device under the condition of the same energy consumption. FIG. 6 simulates a recirculating aquaculture system disposed in parallel in a pond, wherein a plurality of said aquaculture vessels are disposed in parallel with each other, and each of said fecal sewage output devices 5 is connected to each other by a pipe, and is connected to a rear filter by a pipe, thereby separating solid fecal sewage from free water. The circulating water culture containers 100 are mutually communicated, and the rear end of the pipeline is connected with a pollution discharge mechanism 300, so that controllable pollution discharge among the systems of the circulating water culture containers 100 is realized.
The parallel circulating water culture system can be arranged in shallow water areas such as paddy fields, lotus root fields and the like, can also be arranged on land banks, and can cover the upper surface of the whole set of system with a roof or be provided with a sunlight greenhouse to form a land-based temperature control and heat preservation culture system.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the invention without departing from the scope of the technical solution of the invention, and the technical solution of the invention is not departing from the scope of the invention.
Claims (12)
1. A circulating water culture container, characterized in that the circulating water culture container (100) comprises a culture container, a fecal sewage storage container and a fecal sewage output device (5); the upper part of the culture container is surrounded by at least one permeable side wall (1) and the rest of impermeable side walls (2), the lower part of the culture container is a dirt collecting side wall (3) which is in inclined transition from the lower ends of the permeable side wall (1) and the impermeable side wall (2) to the center, and the lower end of the dirt collecting side wall (3) is connected with the excrement storage container;
the excrement storage container is a hollow container with an opening at the upper end, and is communicated with the culture container upwards; wherein, at least one openable and closable fecal sewage sinking switch (6) is arranged between the fecal sewage storage container and the culture container;
the excrement storage container is communicated with the excrement output device (5), and the excrement output device (5) is used for discharging excrement stored in the excrement storage container;
the fecal sewage sinking switch (6) comprises a first cover plate (61) and a second cover plate (62) which are arranged in an up-down overlapping mode, the second cover plate (62) is fixed with the upper end of the fecal sewage storage container, and the first cover plate (61) is arranged above the second cover plate (62) in a sliding mode; the first cover plate (61) and the second cover plate are respectively provided with at least one opening (63), and when the first cover plate (61) moves on the second cover plate (62) to correspond to the upper opening (63), the fecal sewage sinking switch (6) is opened;
the excrement and sewage output device (5) is connected with a control valve through a pipeline, and the control valve is connected with a water pump.
2. The circulating aquaculture container of claim 1, wherein the container is 4.0-100.0 m long, 2.0-50.0 m wide and 1.0-8.0 m high, the upper horizontal section is rectangular or circular, and the bottom is flat or sloping.
3. The circulating aquaculture container according to claim 1, wherein the water impermeable side wall (2) is made of any combination of at least one of brick-concrete, metal, plastic, glass fiber reinforced plastic, canvas, chemical fiber cloth, or film-like, plate-like, smaller than 4mm 2 Is made of any combination of at least one shape in the small hole grid-shaped materials, and separates the inside and the outside of the cultivating container into relatively independent spaces.
4. The circulating aquaculture container according to claim 1, characterized in that the aquaculture container is placed in an aquaculture water body with an upper opening (63) above the water surface, the permeable side wall (1) of the aquaculture container being submerged to a depth of 0.1-2.5 meters.
5. The circulating aquaculture container according to claim 1, characterized in that the dirt collecting side wall (3) is further provided with an openable and closable channel (31), said channel (31) being used for balancing the internal and external water levels of the aquaculture container when water is added or discharged.
6. The circulating aquaculture container according to claim 1, wherein the number of the openings (63) is one or more, a plurality of the openings (63) are distributed on the first cover plate (61) and the second cover plate (62), the openings (63) are in one-to-one correspondence with each other, and the openings (63) are simultaneously opened when overlapping or overlapping each other.
7. A recirculating aquaculture vessel according to claim 1, wherein the fecal storage vessel has a cross-sectional area of 0.01-1.0m 2 The ratio of the length of the excrement storage container to the length of the culture container is 0.25-1.
8. The circulating aquaculture container according to claim 1 or 7, characterized in that the fecal sewage storage container has a closable water inlet and a water outlet, said water outlet being connected to the fecal sewage output device (5) by a pipe, said water inlet being arranged closeably at the opposite end of said water outlet; when the fecal sewage sinking switch (6) is closed, water flows in from the opened water inlet, and fecal sewage flows out from the water outlet along with the water flow direction.
9. A recirculating aquaculture container according to claim 1, characterized in that the faecal output (5) is connected via a pipe to a control valve, which is connected to a water pump; the pipeline is connected with a filter, the filter comprises at least two layers of filter media, and the thickness of fine sand on the surface layer of the filter media is greater than 0.1 meter, so that the filter is used for intercepting solid manure of aquatic organisms.
10. The circulating water culture container according to claim 1, wherein the upper end of the culture container is further provided with a fish blocking structure, the fish blocking structure comprises fixed brackets (71) extending upwards from the periphery of the culture container, fish blocking nets (72) are arranged between the fixed brackets (71), and the height of the fish blocking nets (72) is 0.1-3.5 m; alternatively, the fish blocking structure comprises a fish blocking net (72) horizontally arranged on the top of the culture container.
11. A recirculating aquaculture system, comprising:
at least one recirculating aquaculture container (100) of any one of claims 1 to 10;
at least one water flow promoting device (200); and
at least one drainage mechanism (300);
wherein the water flow promoting device (200) is arranged on the front side or the rear side of the water permeable side wall (1), water flow is guided to pass through or over the water permeable side wall (1) to enter the culture container, and the height of the water permeable side wall (1) is positioned in the lift of the water flow promoting device (200); the sewage discharging mechanism (300) is connected with one excrement and sewage output device (5) through a pipeline, and then is connected with a filter at the rear end through the pipeline to separate solid excrement and sewage from free water.
12. The circulating water culture system according to claim 11, wherein a plurality of culture containers are arranged in parallel, each of the manure output devices (5) is externally connected with a control valve through a pipeline, the plurality of circulating water culture containers (100) are mutually communicated, and the rear end of the pipeline is connected with a pollution discharge mechanism (300) to realize separated controllable pollution discharge among the systems of the circulating water culture containers (100).
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| CN201811358993.4A CN109220965B (en) | 2018-11-15 | 2018-11-15 | Circulating water culture container and culture system |
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| CN111109183A (en) * | 2020-02-24 | 2020-05-08 | 上海能正渔业科技开发有限公司 | Inclined bottom internal circulation culture system |
| CN111919807A (en) * | 2020-08-17 | 2020-11-13 | 华中农业大学 | Pond ecological breeding system capable of being freely combined |
| CN113693003A (en) * | 2021-09-16 | 2021-11-26 | 哈尔滨工程大学 | Deep sea aquaculture net cage capable of simultaneously culturing fishes and scallops |
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