CN108862854A - Sea pond circulating water culture system - Google Patents
Sea pond circulating water culture system Download PDFInfo
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- CN108862854A CN108862854A CN201810727501.8A CN201810727501A CN108862854A CN 108862854 A CN108862854 A CN 108862854A CN 201810727501 A CN201810727501 A CN 201810727501A CN 108862854 A CN108862854 A CN 108862854A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 285
- 238000009360 aquaculture Methods 0.000 claims abstract description 114
- 244000144974 aquaculture Species 0.000 claims abstract description 114
- 239000013535 sea water Substances 0.000 claims abstract description 65
- 238000004062 sedimentation Methods 0.000 claims abstract description 61
- 238000000746 purification Methods 0.000 claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 238000005276 aerator Methods 0.000 claims abstract description 16
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000012258 culturing Methods 0.000 claims abstract description 7
- 235000013305 food Nutrition 0.000 claims abstract description 7
- 238000005086 pumping Methods 0.000 claims description 31
- 230000001681 protective effect Effects 0.000 claims description 22
- 241000195493 Cryptophyta Species 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 230000001376 precipitating effect Effects 0.000 claims description 10
- 241000237852 Mollusca Species 0.000 claims description 9
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 239000013618 particulate matter Substances 0.000 claims description 7
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 241000238557 Decapoda Species 0.000 abstract description 12
- 238000009395 breeding Methods 0.000 abstract description 10
- 230000001488 breeding effect Effects 0.000 abstract description 10
- 241000251468 Actinopterygii Species 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 238000006213 oxygenation reaction Methods 0.000 abstract description 3
- 235000015170 shellfish Nutrition 0.000 abstract description 3
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- 230000004083 survival effect Effects 0.000 abstract description 2
- 238000003973 irrigation Methods 0.000 abstract 1
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000009372 pisciculture Methods 0.000 description 16
- 239000002689 soil Substances 0.000 description 16
- 230000008569 process Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 239000004744 fabric Substances 0.000 description 8
- 238000009940 knitting Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000012364 cultivation method Methods 0.000 description 5
- 238000002627 tracheal intubation Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000927735 Penaeus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/166—Nitrites
-
- 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
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- 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
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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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 present invention relates to a kind of sea pond circulating water culture systems, this method is suitable for the cultivation of seawater prawn and fish, breeding wastewater is reusable after compound biological purification, aquaculture pond square, quadrangle is round, bottom pot bottom-shape, design irrigation channel, return water channel and water circulating pump and form closed circulation water cultivating system, waterwheel aerator is installed in aquaculture pond, power-assisted culturing pool forms eddy flow while oxygenation, the centripetal sedimentation of impurity is discharged into return water channel with water flow, return water is pumped into diversion basin through water pump, flow into compound biological purification system, it is precipitated through biological cleaning（Shellfish）With three-level biology（Active biological film, macro）Purification, clean water flow into aquaculture pond, and cultivation survival rate is high, disease is few, it is ensured that food safety, this sea pond are closed circulation water cultivation, not outwardly sewage effluent, belongs to environmental-friendly, food safety healthy aquaculture method, solves the problems, such as breeding wastewater direct emission.
Description
Technical field
The invention belongs to sea fishery aquaculture field, specifically a kind of sea pond circulating water culture system is fitted
For the cultivation of seawater prawn and fish, solves the problems, such as breeding wastewater direct emission.
Background technique
In disclosed technology, not yet find about sea pond circulating water cultivation document.It is recycled about freshwater fish
Water cultivation aspect finds two Chinese patent applications, such as：Publication No.：CN2015103653288, the disclosure of the invention " one
The kind intensive circulating water cultivation method of pond fish water tank type ".Feature is construction cultivation runway and waterwall in pond, is rested
Breeding fish is largely focused in runway, and sink is built up by armored concrete, and sink is 4 ~ 5 meters wide, and 22 meters long, sink accounts for pond
Area 1.5% ~ 2%, sink both ends are penetrating, if barrier net, with paddle aerator oxygenation, with waterwheel aerator along water (flow) direction
Stir water flow.The patent belongs to Fish-water Fish Farming mode.For another example：Publication No.：201711331822.8 disclosing " a kind of
Crawl and fish-cultivating method ".Wherein, crawl it include covering fish farming area, one end and being provided with to cover the water in fish farming area and introduce master
Sedimentation basin, the dirt collection tower that main fish farming area, one end of the oxygenation priming device of fish farming area are communicated with the other end of main fish farming area, precipitating
It is separated by between pond and main fish farming area by mesh sheet, the other end of sedimentation basin flows into set fish farming area with the water in its pond is covered
Pool wall, a kind of fish-cultivating method based on above-mentioned circulation water fish pond, set fish farming area in cultivate filter-feeding fish, recirculated water
Cyclic process in crawl is：From set fish farming area diversion to main fish farming area, the water in main fish farming area flows to it separately from one end
One end enters sedimentation basin precipitated impurities later, and the pool wall that the water purification by precipitating on upper layer covers sedimentation basin in sedimentation basin flows into
Fish farming area is covered, water is purified in set fish farming area by filter-feeding fish again, is then introduced to main fish farming area.The patent is same
Belong to Fish-water Fish Farming scope.
There is 18,000 kilometers of coastline in China, and wherein Coastal beach area is vast, is distributed a large amount of seawater-culture pond
The pool, wherein producing prawn per year reaches more than 90 ten thousand tons, scale is very grand.China's seawater pond culture mode based on direct emission,
Especially waste water is directly discharged into marine by prawn culturing production, is had an adverse effect to marine environment, is be easy to cause coastal waters Fu Ying
Feedingization pollution, even results in red tide, this traditional cultural method has been subjected to the severe taboo of law enforcement for environmental protection department of government
Only.Therefore, it is badly in need of designing the free of contamination sea pond circulating water cultivation method of a kind of pair of marine environment, solves seawater pond to become
The pool cultivates the extremely urgent problem of blowdown.
Summary of the invention
In view of the above problems, the present invention provides a kind of sea pond circulating water culture systems, solve current cultivation pond
The problem of direct blowdown.
The technical solution of the invention is as follows, a kind of sea pond circulating water culture system, including：
1, water source：It is included in bank and builds seawater pumping plant, seawater sedimentation basin, seawater sedimentation basin pumping plant, wherein：Water quality is selected in bank
Seawater pumping plant is built in excellent region, draws water and is directly entered seawater sedimentation basin；
Seawater sedimentation basin is native pool structure, builds dike low bank between fields by cutting the earth in seawater sedimentation basin, the dike low bank between fields ratio of slope is 1:1, dike low bank between fields inside
It is deployed troops on garrison duty and is protected with engineering, prevent stormy waves from washing away and muddy water, the bottom of seawater sedimentation basin is smooth, and the seawater after precipitating is through seawater sedimentation basin
Pumping plant draws water into diversion basin；
Seawater sedimentation basin pumping plant is built between seawater sedimentation basin and diversion basin, and sedimentation basin seawater is pumped into diversion basin；
2, water purification system：Including diversion basin, biological cleaning sedimentation basin, level-one biological purifying tank, two stage biological clarifier-tank, three
Grade biological purifying tank, wherein：
Diversion basin is used to accommodate the seawater that seawater sedimentation basin pumping plant and return water pumping plant are pumped into and cultivation return water, and passes through diversion basin point
Stream enters biological purification system, and diversion basin is native pool structure, and inner slope is deployed troops on garrison duty with engineering and protected, and dike Nian Po is than 1:1, in diversion basin away from feeding
The distal end for growing pond opens a biological cleaning sedimentation basin and crosses the mouth of a river, and water flow enters biological cleaning sedimentation basin；
Biological cleaning sedimentation basin is formed by dike low bank between fields, and dike low bank between fields is taken with knitting bagged soil and built without the gradient, surrounding dike low bank between fields, project to outsource
Cloth protection, biological cleaning sedimentation basin bottom flat move in its bottom and grow benthic mollusca, the adaptable filter food such as Yi razor clam, clam
Property shellfish, these benthic molluscas water filtration efficiencies are high, have stronger clear water ability, and it is more to cultivate the impurity such as particulate matter in return water,
It is precipitated herein and the filter food of shellfish acts on lower water quality and obtains preliminary purification；The diagonally opposing corner that biological cleaning sedimentation basin crosses the mouth of a river is provided with
Level-one biological purifying tank crosses the mouth of a river, and purified water flows into level-one biological purifying tank by the mouth of a river；
Level-one biological purifying tank is formed by dike low bank between fields, and dike low bank between fields is taken with knitting bagged soil and built, the protection of project to outsource cloth, level-one biology
Clarifier-tank bottom flat hangs stereo-elastic biologic packing material wherein, and stereo-elastic biologic packing material top is bubbled through the water column, lower end system
Dropstone sinks to bottom, the surface growth activity biomembrane of stereo-elastic biologic packing material, the work with degradation of ammonia nitrogen, cultured water
With purifying cultivation water further；The diagonally opposing corner that level-one biological purifying tank crosses the mouth of a river is provided with two stage biological clarifier-tank
The mouth of a river is crossed, water, which flows through two stage biological clarifier-tank, to be crossed the mouth of a river and enter two stage biological filter tank；
Two stage biological clarifier-tank is formed by dike low bank between fields, and dike low bank between fields is taken with knitting bagged soil and built, the protection of project to outsource cloth, and bottom is flat
It is smooth, the climing algae in macro river is transplanted in two stage biological filter tank, the climing algae in river is adaptable, purifies water high-efficient, is full generation
The generally acknowledged excellent algae to purify water in boundary；The diagonally opposing corner that two stage biological clarifier-tank crosses the mouth of a river is provided with three-level biological purifying tank and crosses water
Mouthful, water flows through three-level biological purifying tank and crosses mouth of a river inflow three-level biological purifying tank；
Three-level biological purifying tank is identical as two stage biological clarifier-tank, and dike low bank between fields is taken with knitting bagged soil and built, project to outsource deployment
Shield, bottom flat transplant the climing algae in macro river in three-level biological purifying tank, and the main function of the climing algae in river is contained in water removal
The rich nutritive materials such as nitrogen, phosphorous increase oxygen in water and three-level biological purifying tank, two stage biological clarifier-tank mistake under photosynthesis
The diagonally opposing corner at the mouth of a river is provided with water supply channel and crosses the mouth of a river, and water flows through water supply channel and crosses mouth of a river inflow water supply channel, into cultivating system；
（3）Seawater pond culture system：Including water supply channel, aquaculture pond feedwater piping, aquaculture pond, aquaculture pond central tube return water
Mouthful, aquaculture pond center return pipe water outlet, aquaculture pond central nozzle protective net, return water channel.Wherein：
Water supply channel is formed by dike low bank between fields, is supplied water to each aquaculture pond, and dike low bank between fields is soil structure, and dike Nian Po ratio is 1:1, water supply channel
Bottom flat, bottom is than aquaculture pond bottom centre, in one jiao of installation feedwater piping of water supply channel bottom cultivating pool to supporting
Grow pond water supply；
Aquaculture pond feedwater piping selects PVC pipe, and the elbow of feedwater piping is mounted on water supply channel along the bottom of aquaculture pond dike low bank between fields,
Elbow mouth upward, when installing feedwater piping, the periphery of feedwater piping is protected with concrete strengthening, fill compaction, water supply
Mouth design flows water flow along a tangential direction at one jiao of aquaculture pond, helps to form eddy flow, the centripetal collection of impurities in water when adding water
In, aquaculture pond is discharged by cyclonic action, flows into return water channel；
Cultivating pool is square, and quadrangle is round, and aquaculture pond dike low bank between fields is soil structure, and dike Nian Po ratio is 1:1, the bottom of cultivating pool
Portion is pot bottom-shape, and centripetal gradient ratio is 2%, sets cultivating pool central tube water return outlet in bottom centre, is returned in cultivating pool central tube
Aquaculture pond central nozzle protective net is installed around the mouth of a river, prevents shrimp seedling or fry from escaping；In order to ensure the centripetal rotation of culturing pool
Turn of tidal stream is dynamic, needs two waterwheel aerators of diagonal installation in aquaculture pond in the cultivation middle and later periods, is increasing oxygen in water
Water flow can be stirred in one direction simultaneously, increases culturing pool swirl velocity, be conducive to the particulate matter discharge in aquaculture pond,
Return water channel is flowed into through aquaculture pond center return pipe water outlet；
For aquaculture pond central tube water return outlet device in the bottom at aquaculture pond center, aquaculture pond central tube water return outlet uses PVC pipe, pipe
Road elbow mouth is installed upward, and convenient for draining, the elbow of aquaculture pond central tube water return outlet connects water return pipeline, and water return pipeline is embedded in feeding
Bottom of pond is grown, return water channel is led to, aquaculture pond center return pipe water outlet is installed in return water channel side；
Aquaculture pond center return pipe water outlet is located on the inside of return water channel, and aquaculture pond center return pipe water outlet uses PVC pipe,
The mouth of channel bend is installed upward, and a simple trestle is taken between dike low bank between fields and aquaculture pond center return pipe water outlet, facilitates intubation
Management, the water level of aquaculture pond center return pipe water outlet intubation control aquaculture pond, aquaculture pond return water is by aquaculture pond center return pipe
Water outlet overflow enters return water channel；
It is anti-to install round aquaculture pond central nozzle using aquaculture pond central tube water return outlet as dot for aquaculture pond central nozzle protective net
Protective net prevents shrimp seedling or fry from escaping.The aquaculture pond central nozzle protective net is mounted on several spud piles, installs three-layer protection
Net is on the inside of protective net positioned at the position of aquaculture pond central tube water return outlet, then installing inside protective net is 5 mesh, and middle layer is 15 mesh,
Outer layer is 30 mesh, in the breeding process as cultivation individual subject is grown up, 30 mesh protective net of outer layer of gradually dismantling, with cultivation pair
It further grows up as individual, then 15 mesh protective net of middle layer of dismantling, retain 5 mesh protective nets of inside terminates until the cultivation phase；
Return water channel is located at the side of aquaculture pond center return pipe water outlet, the soil structure formed by dike low bank between fields, and dike Nian Po ratio is
1:1, the water flow of return water channel is to diversion basin direction, and the dike low bank between fields intersection between diversion basin and return water channel builds back water pump
It stands, draws water into diversion basin；
So far, a kind of overall process of sea pond circulating water cultivation method is completed.
That is recirculated water process is：Diversion basin → biological cleaning sedimentation basin → level-one biological purifying tank → two stage biological clarifier-tank
→ three-level biological purifying tank → water supply channel → aquaculture pond → return water channel → diversion basin.
At the top of the dike low bank between fields of water purification system and seawater pond culture system in the present invention on the same horizontal plane,
The dike low bank between fields structure of cultivating system is that soil property is piled up, and dike Nian Po ratio is 1:1, when construction, is compacted when piling up.
Among the above, waterwheel aerator is installed with diagonal way in seawater aquaculturing pond, the effect of the aerator has two
It is a, first is that stirring the dissolved oxygen content increased in water by waterwheel aerator, increase second is that being stirred by waterwheel aerator
The flow velocity of water body in the same direction, such aquaculture pond are intake from one jiao with tangential direction, along with the agitation of waterwheel aerator
Water flow, clearly, impurities in water can be effectively discharged, only in the centripetal concentration of particulate matter in water to the water flow of centripetal rotation in aquaculture pond
Change significant effect.
Among the above, the bottom of water supply channel is 600mm higher than the position of aquaculture pond central tube water return outlet, and aquaculture pond central tube returns
The mouth of a river is 500mm higher than the bottom of return water channel, in this way, three of water supply channel, aquaculture pond center return water nozzle and return water channel
One stepped-style from high to low is formed on bottom.
The elastic biological filler of above-mentioned meaning is approved product, and there is sale in environment-friendly materials factory.
The beneficial effects of the invention are as follows：The compound biological purification system for establishing sea pond circulating water cultivation, through biological net
The purification for changing particulate matter and benthic mollusca water filtering function in sedimentation basin precipitating water, further across climing algae of bioactive film and river etc.
Three-level biological cleaning makes breeding wastewater be purified utilization under continuous recurrent state, keeps water quality ecological cleaning；Due to passing through
The water cleaning of biological cleaning and stablize, cultured product therefore and it is superior in quality, it is green safe, realize healthy aquaculture；It is a kind of
Sea pond circulating water cultivation method, purifies by multi-stage biological, and water quality is excellent, and outwardly environmental emission sewage, green hill be not green
Water is not contaminated, and energy-saving water-saving, belongs to environmentally friendly aquaculture industry.
Detailed description of the invention
Fig. 1 is system layout of the invention；
Fig. 2 is Figure 1A-A schematic cross-section.
Specific embodiment
Embodiment is further described the present invention with reference to the accompanying drawing.The invention mainly comprises seawater pumping plant, seawater
Sedimentation basin, diversion basin, biological cleaning sedimentation basin, level-one biological purifying tank, two stage biological clarifier-tank, three-level biological purifying tank are given
Water channel road, aquaculture pond, return water channel, return water pumping plant；Wherein：Sea pond circulating water cultivation process：First Na Shui：Through sea water pump
It stands and seawater is pumped into seawater sedimentation basin, precipitating seawater enters diversion basin through sedimentation basin pumping for water pump, and the water of diversion basin passes through water
Mouth flows into entire water purification system and cultivating system, and makes up to required water level；Recirculated water process：Diversion basin → biology is net
Change sedimentation basin → level-one biological purifying tank → two stage biological clarifier-tank → three-level biological purifying tank → water supply channel → aquaculture pond →
Return water channel → return water pumping plant → diversion basin；With the progress of breeding process, as needed in right amount to water purification system and support
Grow the water of system supplement seawater sedimentation basin.
To meet above-mentioned condition, see that Fig. 1, Fig. 2 give the configuration of sea pond circulating water culture system, including：
One, water source：Seawater pumping plant 1 is established at inshore intake, builds seawater sedimentation basin 2 in 1 side of seawater pumping plant, seawater is heavy
The long 80000mm in shallow lake pond, wide 50000mm, seawater sedimentation basin 2 are native pool structure, build dike low bank between fields, dike by cutting the earth in seawater sedimentation basin 2
Low bank between fields height 4000mm, holds water depth 3000mm, 2000 mm of dike low bank between fields top width, and the dike low bank between fields ratio of slope is 1:1, dike low bank between fields inside recruitment
The protection of journey cloth, prevents stormy waves from washing away and muddy water, the bottom flat of seawater sedimentation basin 2, in seawater sedimentation basin 2 close to diversion basin 4
Seawater sedimentation basin pumping plant 3 is built in place, and the seawater after precipitating draws water through seawater sedimentation basin pumping plant 3 into diversion basin 4,
Water capacity is 14400 cubic metres；
Seawater sedimentation basin pumping plant 3 among the above is built between seawater sedimentation basin 2 and diversion basin 4,200-500 cubes of pumping for water pump amount
M/h, pass through the size of frequency control pump-out.
Two, biological purification system：Including diversion basin 4, biological cleaning sedimentation basin 6, level-one biological purifying tank 8, two stage biological
Clarifier-tank 10 and three-level biological purifying tank 12；Wherein：
Diversion basin 4, main function are the seawater precipitating, are pumped into diversion basin 4 through seawater sedimentation basin pumping plant 3, are further separated into and follow
Ring purification system and cultivating system, reach after needing water level, then are pumped into and are cultivated based on return water with return water pumping plant 21, seawater sedimentation basin
Supplement leaks the seawater lost with evaporation to pumping plant 3 in right amount.The equal length of diversion basin 4 and each biological purifying tank, diversion basin 4 are
The dike low bank between fields that native pool structure surrounds, the long 100000mm of dike low bank between fields, the wide 4000mm of dike low bank between fields, bottom flat, surrounding dike low bank between fields are built with mound and are compacted,
Height 3000mm holds water depth 2000mm, and dike Nian Po is than 1:1, dike low bank between fields top width 2000mm, the side engineering that meets water deployment shield,
Opening width in the side of the biological cleaning sedimentation basin on 21 opposite of return water pumping plant is that 2000mm crosses the mouth of a river 5, depth 3000mm, and water flows into
Enter biological cleaning sedimentation basin 6.
Biological cleaning sedimentation basin 6, major function is particulate matter in precipitating water, and moves in bottom and grow benthic mollusca（Yi razor clam,
Clam etc.）, the water filtering function of benthic mollusca can efficient clarification water quality.Biological cleaning sedimentation basin 6 is formed by dike low bank between fields, dike low bank between fields
Long 100000mm, the wide 13000mm of dike low bank between fields, the high 3000mm of dike low bank between fields hold water depth 2000mm, bottom flat, the braiding of surrounding dike low bank between fields
Packeted soil, which is taken, to be built, and project to outsource cloth protection, dike low bank between fields top width 2000mm crosses the oblique of the mouth of a river 5 in biological cleaning sedimentation basin
The level-one biological purifying tank for diagonally opening a width 2000mm crosses the mouth of a river 7, and thus water flow enters level-one biological purifying tank 8.
Benthic mollusca top of growing among the above is bubbled through the water column, and lower end system dropstone sinks to bottom, and dike low bank between fields is without the gradient.
Among the above, purification is eaten by filter by cultivating the climing algae water quality particulate matter precipitation and purification in river and benthic mollusca respectively, with
And the active biological film including level-one biological cleaning purifies water, water is absorbed and utilized in degradation of ammonia nitrogen and cultured water, high-efficient purification
Middle ammonia nitrogen and phosphate, ammonia nitrogen and phosphatic removal rate reach 90% or more
Level-one biological purifying tank 8, major function are suspension stereo-elastic biologic packing materials, and every square metre is hung diameter 150mm's
Stereo-elastic biologic packing material 60, in the surface growth activity biomembrane of biologic packing material, biomembrane have in degradation water ammonia nitrogen and
The effect of cultured water, while harmful microbe can also be inhibited to grow, reduce the generation of cultivation object disease.Level-one biology
Clarifier-tank 8 is that the dike low bank between fields of native pool structure surrounds, and the long 100000mm of dike low bank between fields, the wide 10000mm of dike low bank between fields, the high 3000mm of dike low bank between fields hold the depth of water
2000mm, bottom flat, surrounding dike low bank between fields are taken with knitting bagged soil and are built, the protection of project to outsource cloth, dike low bank between fields top width
2000mm, level-one biological purifying tank cross on 7 diagonally opposing corner of the mouth of a river be provided with width be 2000mm two stage biological clarifier-tank cross the mouth of a river
9, water flow crosses the mouth of a river 9 by two stage biological clarifier-tank and enters two stage biological clarifier-tank 10.
Two stage biological clarifier-tank 10, major function are that large-scale adaptable, the water purification efficiency such as climing algae in river is transplanted in pond
High population, these algae are above 90% to ammonia nitrogen in water body and phosphatic removal rate, while can also effectively inhibit excessive
The growth of planktonic algae.Two stage biological clarifier-tank 10 is surrounded by dike low bank between fields, the long 100000mm of dike low bank between fields, the wide 14500mm of dike low bank between fields, and dike low bank between fields is high
3000mm is spent, depth of water 2000mm, dike low bank between fields top width 2000mm are held, surrounding dike low bank between fields is taken with knitting bagged soil and built, out worker
It is net to be provided with the three-level biology that width is 2000mm in the diagonally opposing corner that two stage biological clarifier-tank crosses the mouth of a river 9 for the protection of journey cloth, bottom flat
Change pond and cross the mouth of a river 11, water flow crosses the mouth of a river 11 by three-level biological purifying tank and enters three-level biological purifying tank 12.
Three-level biological purifying tank 12 is identical as 10 structure of two stage biological clarifier-tank.It is transplanted in three-level biological purifying tank 12 big
The climing algae in type algae river, in order to ensure effects of purification quality, using the dual climing algae purification water quality in river, more efficient removal
The eutrophic pollutions object such as ammonia nitrogen and phosphate in water.The long 100000mm of dike low bank between fields of three-level biological purifying tank 12, dike low bank between fields are wide
14500mm, dike low bank between fields height 3000mm, hold depth of water 2000mm, dike low bank between fields top width 2000mm, dike low bank between fields with knitting bagged soil take block and
At, the protection of project to outsource cloth, bottom flat.Being provided with width in the diagonally opposing corner that three-level biological purifying tank crosses the mouth of a river 11 is 2000mm's
Water supply channel crosses the mouth of a river 13, and water flow crosses the mouth of a river 13 by water supply channel and enters water supply channel 14.
Three, in seawater pond culture system, including water supply channel 14, aquaculture pond feedwater piping 15, aquaculture pond 16, aquaculture pond
Heart pipe water return outlet 17, aquaculture pond center return pipe water outlet 18, aquaculture pond center protective net 19 and return water channel 20；Wherein：
Water supply channel 14, major function are that the cyclic culture seawater of biological cleaning is sent into each cultivating pool.Water supply channel 14
Length it is with the summation of a side edge length of each cultivating pool and biological purifying tank equal, water supply channel 14 is soil structure
Dike low bank between fields, the wide 2000mm in dike low bank between fields bottom, dike Nian Po is than 1:1, bottom flat, bottom is 600mm higher than cultivating pool bottom centre, dike low bank between fields
Height 2500mm holds depth of water 1500mm, and aquaculture pond feedwater piping 15 is located at one jiao of cultivating pool, convenient for forming tangential flow,
The water flow rotary of aquaculture pond is set to supply water to aquaculture pond.
Aquaculture pond feedwater piping 15, main function are supplied water to cultivating pool, using the PVC pipe of diameter 250mm, are given
The elbow of waterpipe is mounted on water supply channel side along the bottom of aquaculture pond dike low bank between fields, and elbow diameter 250mm, elbow mouth is set upward
It sets, convenient for intubation control water supply.When installing aquaculture pond feedwater piping 15, by the periphery coagulation of aquaculture pond feedwater piping 15
Native reinforcement protection, fill compaction.At one jiao of aquaculture pond, design water flow in this way can flow along a tangential direction for admission port design, have
Help form eddy flow when adding water, cultivating pool 16 is discharged by cyclonic action in the centripetal concentration of impurities in water.
Cultivating pool 16 is the place for putting shrimp seedling or fry in cultivating system in a suitable place to breed, and cultivating pool is square, and quadrangle is circle
Shape, the aquaculture pond side length 60000mm of the present embodiment, can also be according to orographic condition flexible design.The dike low bank between fields of cultivating pool is soil property
Structure, dike low bank between fields top width 2000mm, dike Nian Po ratio are 1:1, dike low bank between fields height 3100mm hold water depth 2000mm.Cultivating pool
16 bottom is pot bottom-shape, and the centripetal gradient ratio in bottom is 2%, and bottom centre sets aquaculture pond central tube water return outlet 17, in aquaculture pond
The aquaculture pond center protective net 19 that radius 2000mm is installed around central tube water return outlet 17 prevents shrimp seedling or fry from escaping.For
The swirl velocity for increasing culturing pool centripetal flow needed to install two water in the diagonal position of aquaculture pond in the cultivation middle and later periods
Vehicle type aerator 23 stirs water flow towards the same direction while increasing oxygen in water, increases aquaculture pond eddy flow, favorably
In by the waste water in aquaculture pond through aquaculture pond central tube water return outlet 17 flow into return water channel 20.
Aquaculture pond central tube water return outlet 17, is mounted on the bottom at aquaculture pond center,
Its major function is that aquaculture pond waste water is discharged into return water channel 20.Aquaculture pond central tube water return outlet 17 designs at aquaculture pond bottom
The center in portion, aquaculture pond central tube water return outlet 17 have channel bend, channel bend mouth using the pvc pipe of diameter 300mm thereon
Upward, convenient for draining, aquaculture pond center water return pipeline 15 is embedded in aquaculture pond bottom, is connected with the elbow of aquaculture pond center return water nozzle
It connects to return water channel, aquaculture pond center return pipe water outlet 18 is installed in return water channel side.
Aquaculture pond central tube water outlet 18 is located in return water channel, and major function is discharge cultivating pool waste water and control
Water level.Aquaculture pond central tube water outlet 18 is using the PVC elbow of diameter 300mm, and mouth is installed upward, in dike low bank between fields and aquaculture pond center
A simple trestle is taken between pipe water outlet 18, facilitates intubation, and intubation can control the water level of aquaculture pond, while cultivation is discharged
Pond return water cultivates return water by 18 overflow of aquaculture pond center return pipe water outlet and enters return water channel 20.
Aquaculture pond center return water nozzle protective net 19, using aquaculture pond center return water nozzle as dot, radius 2000mm, installation
Round protective net prevents shrimp seedling or fry from escaping.Several spud piles are arranged in the protective net, install 3 layers of protective net, are located at cultivation
The position of pond central tube water return outlet 17 is on the inside of protective net, then internal layer protective net is 5 mesh, and middle layer is 15 mesh, and outer layer is 30 mesh,
As cultivation individual subject is grown up in breeding process, in order to increase the permeability of flowing water, 30 mesh protective net of outer layer of dismantling, with feeding
It grows individual subject further to grow up, then 15 mesh protective net of middle layer of dismantling, retain 5 mesh protective nets of inside terminates until the cultivation phase.
Return water channel 20 is located at 18 side of aquaculture pond center return pipe water outlet, and length is that cultivating pool return water side is long
Summation, the wide 4000mm in bottom, surrounding dike low bank between fields are soil structure, dike low bank between fields height 3600mm, depth of water 2600mm, dike low bank between fields top width
2000mm, dike Nian Po ratio are 1:1, the water flow of return water channel 20 is to the direction of diversion basin 4, and in diversion basin 4 and return water channel 20
Between the intersection of dike low bank between fields build return water pumping plant 21,500-1000 cubes ms/h of pump-out are designed, as desired by frequency conversion
Device controls pump-out, draws water into diversion basin 4.
So far, a kind of overall process of sea pond circulating water cultivation method is completed.Recirculated water process is：Diversion basin 4 →
Biological cleaning sedimentation basin 6 → level-one biological purifying tank 8 → two stage biological clarifier-tank 10 → three-level, 12 → feeder canal of biological purifying tank
Road 14 → aquaculture pond, 16 → return water channel 20 → return water pumping plant, 21 → diversion basin 4.
It is wide at the top of dike low bank between fields at the top of the dike low bank between fields of seawater circulation purification system and sea farming system on the same horizontal plane
Degree is 2000mm, and 22 structure of dike low bank between fields of cultivating system is that soil property is piled up, and slope ratio is 1:1, when construction, is compacted when piling up.
Waterwheel aerator is installed with diagonal way in seawater aquaculturing pond, there are two the effects of the aerator, first is that
The dissolved oxygen content increased in water is stirred by waterwheel aerator, second is that by waterwheel aerator agitation increased water flow towards same
The flow velocity in one direction.Aquaculture pond is intake from one jiao with tangential direction in this way, along with waterwheel aerator stirs water flow, aquaculture pond
Clearly, effectively discharge impurities in water, clean-up effect are significant for the water flow of interior centripetal rotation.
The bottom of water supply channel 14 is than the high 600mm of aquaculture pond center return water nozzle 17, the position of aquaculture pond center return water nozzle
Set it is 500mm higher than return water channel 20, in this way, three of water supply channel 14, aquaculture pond central tube water return outlet 17 and return water channel 20
One stepped-style from high to low is formed on bottom.
Among the above, build seawater pumping plant 1 in the excellent region of littoral selection water quality, 500 cubes ms/h of pumping for water pump amount with
On.
Among the above, seawater sedimentation basin pumping plant 3,200-500 cubes ms/h of pumping for water pump amount, is drawn water by frequency control
The size of amount.
To absolutely prove effect of the invention, shrimp-cultivation pond nine are established by this system, 3600 square metres of each pond is total
32400 square metres, it is put into the long 12mm Penaeus Vannmei seed of body, 400,000 tail of seedling is put in every pond, puts 3,600,000 tail of seedling total amount.Cultivation is just
Phase depth of water 700mm cultivates basic food organisms, cultivates mid-term depth of water 1200mm, cultivates later period depth of water 2000mm, it is special to feed prawn
Commercial pellet feed.Breeding process mid-early stage trace circular, as seed individual is grown up, feeding volume increases, the circulation of water
Amount also increases therewith, biological cleaning sedimentation basin, level-one biological purifying tank, two stage biological clarifier-tank and three in water purification system
Grade biological purifying tank all plays the role of cleaning water quality.Do not drained outwardly in breeding process, only supplement because leakage and
The seawater of evaporation loss, maintains that water quality is excellent, and ammonia nitrogen is up to 0.3mg/L（Standard 0.5mg/L or less）, cultured water highest
0.2mg/L（Standard 0.2mg/L or less）, dissolved oxygen minimum content is 5mg/L, is cultivated 3 months, and shrimp total yield 38880kg is supported, average
1.2kg/ square metres, 55 tails/kg, survival rate 59.4%, 50 yuan/kg of average sales price, feeding 194.4 ten thousand yuan of shrimp total income, cultivation assembly
This 89.62 ten thousand yuan, including forage volume 46656kg, 51.3 ten thousand yuan of expense；Seed is taken, 120 yuan of every ten thousand tail, totally 360 ten thousand tail,
Count 4.32 ten thousand yuan；100,000 yuan of place rent；100,000 yuan of the electricity charge；Artificial 50,000 yuan；20,000 yuan of water quality improvement biological agent；Equipment and material
20,000 yuan of depreciation cost；20,000 yuan of administration fee；Other 30,000 yuan.Total income subtracts total expenditure, and 104.78 ten thousand yuan of profit.
Claims (6)
1. a kind of sea pond circulating water culture system, including water source, biological purification system and seawater pond culture system,
In：
1）Water source：Seawater pumping plant is established at inshore intake（1）, seawater is pumped into seawater sedimentation basin（2）, seawater sedimentation basin
Seawater sedimentation basin pumping plant is built between water purification system（3）, precipitating seawater is taken out by the water pump and enters diversion basin（4）, thus
To biological purification system and seawater pond culture system water supply；
2）Diversion basin（4）：By diversion basin（4）It supplies water to biological purification system, biological cleaning sedimentation basin diagonal line both ends are provided with life
Object purification sedimentation basin crosses the mouth of a river（5）, level-one biological purifying tank crosses the mouth of a river（7）, diversion basin（4）Water by the mouth of a river（5）Flow into life
Object purifies sedimentation basin（6）；
3）Biological cleaning sedimentation basin（6）：Biological cleaning sedimentation basin（6）Benthic mollusca filter food seawater, through biological cleaning sedimentation basin
（6）The recirculated water of precipitating crosses the mouth of a river by level-one biological purifying tank（7）Flow into level-one biological purifying tank（8）；
4）Level-one biological purifying tank（8）：Stereo-elastic biologic packing material is hung in level-one biological purifying tank, is purified by active biological film
Water quality, purified water is by the mouth of a river（9）Flow into two stage biological clarifier-tank（10）；
5）Two stage biological clarifier-tank（10）：Two stage biological clarifier-tank（10）It is river climing algae purification of water quality pond, purified water is raw through three-level
Object clarifier-tank crosses the mouth of a river（11）Flow into three-level biological purifying tank（12）；
6）Three-level biological purifying tank（12）：Three-level biological purifying tank（12）It is the climing algae clarifier-tank in river, water quality further purifies, purification
Water crosses the mouth of a river through water supply channel（13）Flow into water supply channel（14）；
7）Water supply channel（14）：Water supply channel（14）It supplies water to each aquaculture pond, through aquaculture pond feedwater piping（15）Flow into aquaculture pond
（16）；
8）Aquaculture pond（16）：Aquaculture pond（16）It is square, quadrangle is round, feedwater piping（15）Positioned at aquaculture pond（16）One
Angle, the centripetal rotation of water flow, the centripetal gradient 1.7% in aquaculture pond bottom become pot bottom-shape, and pool aottom center is aquaculture pond central tube water return outlet
（17）, aquaculture pond central tube water return outlet（17）Place's installation radius 2000mm protective net（19）, culturing pool pass through aquaculture pond center
Pipe water return outlet（17）Through aquaculture pond central tube water outlet（18）Discharge, overflow enter return water channel（20）；
9）Return water channel（20）：Return water channel（20）Collect each aquaculture pond（16）Return water, through return water pumping plant（21）Suction divides water
Pond（4）, into water quality ecological purification system, realize the cultivation of closed seawater pond circulation water.
2. sea pond circulating water culture system according to claim 1, it is characterised in that：Biological cleaning sedimentation basin（6）
Pass through filter food purification including water quality particulate matter precipitation and purification and benthic mollusca；Level-one biological purifying tank（8）It is to pass through active bio
Film purifies water, degradation of ammonia nitrogen and cultured water, two stage biological clarifier-tank（10）With three-level biological purifying tank（12）.
3. sea pond circulating water culture system according to claim 1, it is characterised in that：Aquaculture pond（16）For pros
Shape, quadrangle is round, aquaculture pond feedwater piping（15）It is arranged in aquaculture pond（16）One jiao, along the rolling tangential direction of water flow into
Water, aquaculture pond bottom pot bottom-shape, centripetal gradient 2%, aquaculture pond central tube water return outlet（17）, impurities in water is centripetal to be concentrated through cultivation
Pond central tube water outlet（18）It is discharged to return water channel（20）, the cultivation return water of return water channel is through return water pumping plant（21）It is extracted into point
Pond（4）, circulating purification again.
4. sea pond circulating water culture system according to claim 1, it is characterised in that：Water supply channel（14）Bottom
Than aquaculture pond central tube water return outlet（17）The high 600mm in position, aquaculture pond central tube water return outlet（17）Than return water channel（20）'s
The high 500mm in bottom, makes water supply channel（14）, aquaculture pond center return water nozzle（17）With return water channel（20）Three bottoms formed
One stepped-style from high to low.
5. sea pond circulating water culture system according to claim 1, it is characterised in that：Water purification system and seawater
The dike low bank between fields of pond culturing system（22）On the same horizontal plane, when construction, is compacted when piling up at top.
6. sea pond circulating water culture system according to claim 1, it is characterised in that：In seawater aquaculturing pond（16）
It is interior that waterwheel aerator is installed with diagonal way（23）.
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