CN108862854A - Sea pond circulating water culture system - Google Patents

Sea pond circulating water culture system Download PDF

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Publication number
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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water
pond
biological
aquaculture pond
return
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靳晓敏
任海
王志敏
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Hebei Normal University of Science and Technology
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Hebei Normal University of Science and Technology
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/003Aquaria; Terraria
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042Introducing gases into the water, e.g. aerators, air pumps
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • C02F2101/166Nitrites
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/04Flow arrangements
    • C02F2301/046Recirculation with an external loop
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/327Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00Aeration of stretches of water

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

Sea pond circulating water culture system
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).
CN201810727501.8A 2018-07-05 2018-07-05 Sea pond circulating water culture system Pending CN108862854A (en)

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