CN202603400U - Circular factory seawater fish farming system - Google Patents

Circular factory seawater fish farming system Download PDF

Info

Publication number
CN202603400U
CN202603400U CN2012202532856U CN201220253285U CN202603400U CN 202603400 U CN202603400 U CN 202603400U CN 2012202532856 U CN2012202532856 U CN 2012202532856U CN 201220253285 U CN201220253285 U CN 201220253285U CN 202603400 U CN202603400 U CN 202603400U
Authority
CN
China
Prior art keywords
water
pond
farming
air
water treatment
Prior art date
Application number
CN2012202532856U
Other languages
Chinese (zh)
Inventor
王际英
张利民
黄炳山
陈玮
李宝山
Original Assignee
山东省海洋水产研究所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 山东省海洋水产研究所 filed Critical 山东省海洋水产研究所
Priority to CN2012202532856U priority Critical patent/CN202603400U/en
Application granted granted Critical
Publication of CN202603400U publication Critical patent/CN202603400U/en

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/60Fishing; Aquaculture; Aquafarming

Abstract

The utility model relates to a seawater circular farming system, in particular to a circular factory seawater fish farming system, belonging to the technical field of marine product farming. The system comprises a farming pond, a residual feed and excrement separation system, an air flotation system, a buried biological water treatment system, a ground source heat pump system, a high-place pond and an inflation aeration system, wherein the residual feed and excrement separation system is sequentially connected with the farming pond through a pipeline; the air flotation system further separates the solid microparticle residue in the water body; the buried biological water treatment system removes the organic pollutants in the water body; the ground source heat pump system regulates the temperature of the water body; the high-place pond disinfects the water body; and the inflation aeration system supplements air to the water body in the farming pond. The system provided by the utility model can remarkably reduce the investment cost of seawater factory circular water farming and energy consumption in the farming process, improves the utilization rate of seawater resources, prevents the emission of the gases such as CO2, SO2 and the like, and is energy-saving and environment-friendly; the farming waste is recycled, thereby turning waste into wealth; and the system has the advantages that the process flow is simple, less water treatment equipment is required and the like.

Description

A kind of circulating batch production marine fish culture system
Technical field
The utility model relates to a kind of seawater recirculation system, is a kind of circulating batch production marine fish culture system specifically, belongs to field of marine product cultivation technology.
Background technology
In recent years, because fishery overfishing and environmental pollution increase the weight of, marine fishery resources fails day by day, and marine product can not be met the need of market far away, can only rely on the development mariculture to alleviate the pressure of marine product demand.The mariculture industry development of China is swift and violent, and breed variety is on the increase, and scale constantly enlarges, and the intensification degree improves constantly, but exists energy resource consumption excessive, cultures problems such as self-pollution, has hindered the sustainable development of mariculture industry.
Industrial aquaculture is one of comparatively general aquaculture model in coastal area, also is the topmost intensive culture pattern of mariculture.China's seawater industrial aquaculture scale has reached 7,000,000 m at present 2, according to every day 5 quantity of exchanged water calculate, every day the breeding wastewater discharge capacity near 10,000,500 ten thousand steres, be equivalent to the storage capacity of a medium-sized reservoir, discharge in the waste water and contain a large amount of residual bait and ight soil, cause marine environmental pollution.And be extremely to extract underground sea water mostly, cause groundwater resources exhausted, cause inwelling, the soil salinization of soil, surface vegetation is encroached on, and large quantities of shelter belts to protect sea coasts are withered.Although domestic some enterprise is to above problem at present; Take to introduce industrial circulating water equipment and technology; Set up measures such as circulating water culture system, but because cost is higher, the domestic majority breeding enterprise is difficult to bear; Still adopt open flowing water to culture at present, the mode that breeding wastewater is put greatly with big row enters the sea area.In addition; Existing circulating water culture system need be heated winter, and need freeze summer, and the heating and cooling system generally uses boiler and electric power resource; Energy consumption is high; Discharge gases such as a large amount of carbonic acid gas, sulphur dioxide, carbon monoxide during the steam coal carbon burning, constituted new pollution source, also limited its scale in the seawater industrial aquaculture and used.
Summary of the invention
The purpose of the utility model is to solve the deficiency that above-mentioned prior art exists, and the novel circulation-type batch production marine fish culture system of a kind of low input, low energy consumption, low emission is provided.
The utility model is realized through following technical scheme:
A kind of circulating batch production marine fish culture system, its special feature be to comprise culture the pond, with the air-flotation system of culturing residual bait ight soil piece-rate system that the pond is linked in sequence through pipeline, solid microparticle residue in the water body is further separated, the buried biological water treatment system of removing organic pollutant in the water body, to water body carry out the earth-source hot-pump system of temperature adjustment, to the high-order pond of water body disinfection with to culturing the blowing aeration system of pool inner water body make-up gas;
Said residual bait ight soil piece-rate system comprises bath pipeline 1, the residual bait ight soil collection channel 2 that communicates with breed pond sewage draining exit 4 that stretches into bottom, breed pond and stretches into and culture the central tube 3 of discharging breed water in the pond that central tube 3 passes from culturing the pond sewage draining exit, and breed pond sewage draining exit is provided with the dividing plate 5 in hole with holes; Hole diameter is about 0.5 ~ 1cm, and residual bait ight soil is more in culturing the pond, in the time of perhaps need keeping the breed substrate of comparatively cleaning; Open the by-pass valve control of bath pipeline 1; According to law of connected vessels, the residual bait ight soil that is deposited on bottom, breed pond passes the dividing plate hole and flows out the breed pond under the flow action that the bath pipeline flows out; Get into residual bait ight soil collection channel 2; Each sewage draining exit of culturing the pond all comes together in residual bait ight soil collection channel through the pipeline connection, and residual bait ight soil collection channel is communicated with residual bait collecting dung pond, after the basic emptying of residual bait ight soil in the breed pond; Close the by-pass valve control of bath pipeline; Open the blowdown main valve that is arranged in residual bait collecting dung pond, residual bait ight soil is under the drive of current, outside the discharge system in the pipe;
The speed of bath pipeline current needs to regulate with its water intake velocity according to culturing the pool inner water bulk area, and drainpipe will be lower than the osculum of culturing the pond inner central tube outside the pond;
Said air-flotation system is made up of 4-10 platform air supporting machine, and all air supporting machines are divided into two groups, can effectively remove small suspended particulate and dissolved organic matter below the 30 μ m, and subsidiary oxygenation, degasifying effect;
Said buried biological water treatment system comprises establishing and is embedded in underground buried biological bag; The activation cinder that in the buried biological bag process specially treated is housed is as the microbial adhesion base; Breed water after air-flotation system is handled is introduced in the cinder pond, because cinder has bigger specific surface area, possesses good adsorption and filter capacity; It is good microbial adhesion base; Ammonia nitrogen in the breeding water body and nitrous acid nitrogen be that nitrifying bacteria on the microbial adhesion base fully reacts with the activation cinder, under the condition of the complete slaking of microbial adhesion base, the result of ammonia nitrogen and nitrous acid nitrogen can satisfy the standard of breed water; Not second to medical stone, and the cost of activation cinder is merely about 20% of medical stone to activation cinder nitrifying bacteria to the disposal ability of culturing water, not as good as 1% of macromolecular material cost, according to 100m 3The water body disposal ability of/h is calculated, and only this item can be practiced thrift and culture input cost more than 30%; Because biological water treatment system is built in underground; Can utilize on the one hand the water mobile characteristic of taking advantage of a situation to carry out recycle, practice thrift a part of electric power, it is less that water temperature receives the influence of air themperature on the other hand; Help the constant of water temperature, the temperature of culturing water is had certain regulating and controlling effect;
The output channel of said earth-source hot-pump system and buried biological water treatment system joins, and comprises earth source heat pump, and earth source heat pump is made up of compressor, condenser, evaporator and expansion valve four parts; Utilize heat to be delivered to Cryo Fundamentals and carry out work from high temperature; The electric energy consumption of its regulation and control water temperature is lower, imports the heat of 1KW, can obtain the heat of 4 ~ 5KW; Compare with traditional heating and refrigerating air-conditioning and can practice thrift 30 ~ 40% energy; Compare with boiler (electricity, fuel) heating system, can practice thrift the electric energy more than 2/3, improving can in 10 ~ 30% fuel;
Said blowing aeration system is communicated with pvc pipe road, plastic flexible pipe and vapour stone by air pump and forms.Air is after the air pump compression; Be transported to breed pond and buried biological water treatment system top through the pvc pipe road; Have the plastic flexible pipe of vapour stone to insert by a termination again and culture pond and buried biological water treatment system bottom, flexible pipe is provided with by-pass valve control, the size of control air flow.
Said buried biological bag is the concrete sump groove of building at below ground.
The disposal ability of said buried biological treatment system is according to culturing 30 ~ 50% long-pending designs of breeding water body in the pond.
The preparation method of said activation cinder: choose block cinder; Rinse well with running water earlier, adopt cracker to pulverize the particle of grain size screening between 1-3cm again; Carried out the desulfurization dealuminzation in 3-6 minute with the 0.1MNaOH solution soaking; And then rinse well with running water, good with the scallop cage mounted, in the cinder pond that is stacked at buried biological bag of irregularity.
The circulating batch production marine fish culture of the utility model system can significantly reduce the input cost of seawater industrial circulating water cultivating and the energy resource consumption in the breeding process, improves the availability of seawater resources, owing to there is not boiler, does not need burning coal, no CO 2, SO 2Discharge Deng gas, reduce the adverse effect that mariculture produces environment, energy-saving and environmental protecting; Culture refuse and obtain reclaiming, when reducing discharging, can turn waste into wealth; And have advantages such as simple, the required water treatment facilities of technological process are few.
Description of drawings
Fig. 1: be the utility model planar structure sketch map;
Fig. 2: be to culture pond building structure floor map;
Fig. 3: the A that is Fig. 2 is to cross-sectional view;
Fig. 4: be residual bait manure separator structural representation;
Fig. 5: be buried biological water treatment system and air supporting systematic building structural plan sketch map;
Fig. 6: the A that is Fig. 5 is to cross-sectional view;
Among the figure: a, middle collecting ditch, b, air-flotation system, c, buried biological water treatment system, d, earth-source hot-pump system, the pond, is cultured at f in e, high-order pond, and 1, the bath pipeline, 2, residual bait ight soil collection channel, 3, central tube, 4, sewage draining exit, 5, dividing plate.
Embodiment
Following with reference to accompanying drawing, provide the embodiment of the utility model, be used for the formation of the utility model is further specified.
Embodiment
The circulating batch production marine fish culture system of present embodiment, comprise culture the pond, with the air-flotation system of culturing residual bait ight soil piece-rate system that the pond is linked in sequence through pipeline, solid microparticle residue in the water body is further separated, the buried biological water treatment system of removing organic pollutant in the water body, to water body carry out the earth-source hot-pump system of temperature adjustment, to the high-order pond of water body disinfection with to culturing the blowing aeration system of pool inner water body make-up gas;
Residual bait ight soil piece-rate system comprises bath pipeline 1, the residual bait ight soil collection channel 2 that communicates with breed pond sewage draining exit 4 that stretches into bottom, breed pond and stretches into and culture the central tube 3 of discharging breed water in the pond that central tube 3 passes from culturing the pond sewage draining exit, and breed pond sewage draining exit is provided with the dividing plate 5 in hole with holes; Hole diameter is about 0.8cm, and residual bait ight soil is more in culturing the pond, in the time of perhaps need keeping the breed substrate of comparatively cleaning; Open the by-pass valve control of bath pipeline 1; According to law of connected vessels, the residual bait ight soil that is deposited on bottom, breed pond passes the dividing plate hole and flows out the breed pond under the flow action that the bath pipeline flows out; Get into residual bait ight soil collection channel 2; Each sewage draining exit of culturing the pond all comes together in residual bait ight soil collection channel through the pipeline connection, and residual bait ight soil collection channel is communicated with residual bait collecting dung pond, after the basic emptying of residual bait ight soil in the breed pond; Close the by-pass valve control of bath pipeline; Open the blowdown main valve that is arranged in residual bait collecting dung pond, residual bait ight soil is under the drive of current, outside the discharge system in the pipe;
The speed of bath pipeline current needs to regulate with its water intake velocity according to culturing the pool inner water bulk area, and drainpipe will be lower than the osculum of culturing the pond inner central tube outside the pond;
Air-flotation system is made up of 6 QF-40 type air supporting machines, and 3 series connection are one group, establish two groups altogether, and every group of average water treatment capacity is 100m 3/ h effectively removes small suspended particulate and dissolved organic matter below the 30um, and subsidiary oxygenation, degasifying effect;
Buried biological water treatment system comprises establishing and is embedded in underground buried biological bag; Buried biology bag is the steel reinforced concrete pool groove of building at below ground, and the activation cinder that in the buried biological bag process specially treated is housed is as the microbial adhesion base, and the breed water after air-flotation system is handled is introduced in the cinder pond; Because cinder has bigger specific surface area; Possessing good adsorption and filter capacity, is good microbial adhesion base, and the nitrifying bacteria on ammonia nitrogen in the breeding water body and nitrous acid nitrogen and the microbial adhesion base fully reacts; Under the condition of the complete slaking of microbial adhesion base, the result of ammonia nitrogen and nitrous acid nitrogen can satisfy the standard of culturing water; According to 100m 3The water body disposal ability of/h is calculated, and only this item can be practiced thrift and culture input cost more than 30%; Because biological water treatment system is built in underground; Can utilize on the one hand the water mobile characteristic of taking advantage of a situation to carry out recycle, practice thrift a part of electric power, it is less that water temperature receives the influence of air themperature on the other hand; Help the constant of water temperature, the temperature of culturing water is had certain regulating and controlling effect;
The disposal ability of buried biological treatment system is according to culturing 30% long-pending design of breeding water body in the pond.
The preparation method of used activation cinder: choose block cinder; Rinse well with running water earlier, adopt cracker to pulverize the particle of grain size screening between 1-3cm again; Carried out the desulfurization dealuminzation in 3-6 minute with the 0.1MNaOH solution soaking; And then rinse well with running water, good with the scallop cage mounted, in the cinder pond that is stacked at buried biological bag of irregularity.
Water treatment capacity can reach 40 ~ 60 m after the cinder activation 3/ t/h.
The output channel of earth-source hot-pump system and buried biological water treatment system joins, and adopts Ou Senna SNHPUK earth source heat pump, and earth source heat pump is made up of compressor, condenser, evaporator and expansion valve four parts; Utilize heat to be delivered to Cryo Fundamentals and carry out work from high temperature; The electric energy consumption of its regulation and control water temperature is lower, imports the heat of 1KW, can obtain the heat of 4 ~ 5KW; Compare with traditional heating and refrigerating air-conditioning and can practice thrift 30 ~ 40% energy; Compare with boiler (electricity, fuel) heating system, can practice thrift the electric energy more than 2/3, improving can in 10 ~ 30% fuel;
The blowing aeration system is communicated with pvc pipe road, plastic flexible pipe and vapour stone by air pump and forms.Air is after the air pump compression; Be transported to breed pond and buried biological water treatment system top through the pvc pipe road; Have the plastic flexible pipe of vapour stone to insert by a termination again and culture pond and buried biological water treatment system bottom, flexible pipe is provided with by-pass valve control, the size of control air flow.
A kind of circulating batch production marine fish culture system work process of the utility model:
At first utilize residual bait ight soil piece-rate system (referring to accompanying drawing 4) that the residual bait ight soil of culturing in the f of pond is separated; When separating, need regulate the speed and the efflux time of bath pipeline current according to actual conditions, generally speaking, guarantee that discharge is 0.1 ~ 0.2m 3(or water flow velocity is 0.005 ~ 0.01m/s to/h; Efflux time is looked the residual bait ight soil quantity situation in the breed pond and is decided; Wait to culture after residual bait ight soil clears basically in the pond; Close the by-pass valve control of bath pipeline, open the blowdown main valve that is arranged in residual bait collecting dung pond, utilize water remaining in the separator tube that residual bait ight soil is gone out outside the system.
Pending breed water after middle ditch a compiles, at first passes through air-flotation system b through central tube 3, by the air supporting machine solid microparticle residue in the water body is further separated, and the impurity after the separation is outside pipeline discharge system; Culture water then and get into buried biological water treatment system c; Ammonia nitrogen in the breeding water body and nitrous acid nitrogen be that nitrifying bacteria on the microbial adhesion base fully reacts with the activation cinder; Under the condition of the complete slaking of microbial adhesion base, the result of ammonia nitrogen and nitrous acid nitrogen can satisfy the standard of culturing water; Culture water treatment well afterwards through earth source heat pump d temperature adjustment, import high-order pond e, through ultraviolet disinfection, input is cultured in the pond in high-order pond, accomplishes and cultures recycling of water, and the recycling rate of waterused of breed water can reach more than 90% in the whole cultivating system.The gas pipeline of blowing aeration system is directly inserted and is cultured in pond and the buried biological water treatment system by air pump connection pvc pipe road, plastic flexible pipe.
Once set up a 2000m in ocean, Shandong Province and the Huanghe delta, fishery Room scientific research demonstration popularization base 2About the demonstration workshop, workshop water surface for aquaculture 1296m 2, biological treatment system area 120m 2, water treatment capacity 100m 3/ h, the temperature control scope is 14 ~ 18 ℃, culturing the turbot initial density is 14kg/m 2, the later stage reaches 35 kg/m 2, to culture survival rate and reach 87%, an average day quantity of exchanged water is lower than 5%, and power cost reaches 3.5 yuan/jin, cultures with " deep-well seawater+green house " pattern and compares, and aquaculture cost has reduced by 10%.
Utilizing residual bait manure separator to carry out the circulating industrial aquaculture of seawater compares with regular circulation water cultivating system; Build to drop into and practice thrift more than 10%, operating cost is practiced thrift more than 40%, cultures energy consumption and practices thrift more than 30%; Culture the water circulation utilization rate more than 90%, N, P clearance are more than 75% in the water body; Simultaneously, because residual bait ight soil discharge system after separator separates has reduced the environmental pollution that direct discharge into sea caused.

Claims (7)

1. circulating batch production marine fish culture system, it is characterized in that comprising culture the pond, with the air-flotation system of culturing residual bait ight soil piece-rate system that the pond is linked in sequence through pipeline, solid microparticle residue in the water body is further separated, the buried biological water treatment system of removing organic pollutant in the water body, to water body carry out the earth-source hot-pump system of temperature adjustment, to the head-tank of water body disinfection with to culturing the blowing aeration system of pool inner water body make-up gas.
2. according to the described a kind of circulating batch production marine fish culture of claim 1 system, it is characterized in that
Said residual bait ight soil piece-rate system comprises bath pipeline (1), the residual bait ight soil collection channel (2) that communicates with breed pond sewage draining exit (4) that stretches into bottom, breed pond and stretches into and culture the central tube (3) of discharging breed water in the pond; Central tube (3) passes from culturing the pond sewage draining exit; Breed pond sewage draining exit is provided with the dividing plate (5) in hole with holes, and hole diameter is about 0.5 ~ 1cm.
3. according to the described a kind of circulating batch production marine fish culture of claim 1 system, it is characterized in that
Said air-flotation system is made up of 4-10 platform air supporting machine, and all air supporting machines are divided into two groups.
4. according to the described a kind of circulating batch production marine fish culture of claim 1 system, it is characterized in that
Said buried biological water treatment system comprises establishing and is embedded in underground buried biological bag, treated activation cinder is housed as the microbial adhesion base in the buried biological bag.
5. according to the described a kind of circulating batch production marine fish culture of claim 1 system, it is characterized in that
The output channel of said earth-source hot-pump system and buried biological water treatment system joins, and comprises earth source heat pump, and earth source heat pump is made up of compressor, condenser, evaporator and expansion valve four parts.
6. according to the described a kind of circulating batch production marine fish culture of claim 1 system, it is characterized in that
Said blowing aeration system is communicated with pvc pipe road, plastic flexible pipe and vapour stone by air pump and forms; Air is after the air pump compression; Be transported to breed pond and buried biological water treatment system top through the pvc pipe road; Have the plastic flexible pipe of vapour stone to insert by a termination again and culture pond and buried water treatment system bottom, flexible pipe is provided with by-pass valve control.
7. according to the described a kind of circulating batch production marine fish culture of claim 4 system, it is characterized in that said buried biological bag is the concrete sump groove of building at below ground.
CN2012202532856U 2012-05-31 2012-05-31 Circular factory seawater fish farming system CN202603400U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202532856U CN202603400U (en) 2012-05-31 2012-05-31 Circular factory seawater fish farming system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202532856U CN202603400U (en) 2012-05-31 2012-05-31 Circular factory seawater fish farming system

Publications (1)

Publication Number Publication Date
CN202603400U true CN202603400U (en) 2012-12-19

Family

ID=47337144

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012202532856U CN202603400U (en) 2012-05-31 2012-05-31 Circular factory seawater fish farming system

Country Status (1)

Country Link
CN (1) CN202603400U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657134A (en) * 2012-05-31 2012-09-12 山东省海洋水产研究所 Industrial circulating seawater aquiculture system
CN103141428A (en) * 2013-03-26 2013-06-12 中国水产科学研究院渔业机械仪器研究所 Internal circulation fishpond and circulating water treatment process
CN103734077A (en) * 2013-12-23 2014-04-23 舟山市普陀兴海养殖优质种苗选育研究所 Automatic heating device and automatic heating method for seawater seedling culture pond
CN109819926A (en) * 2018-12-06 2019-05-31 上海耕海渔业有限公司 Boat-carrying circulating water culture system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657134A (en) * 2012-05-31 2012-09-12 山东省海洋水产研究所 Industrial circulating seawater aquiculture system
CN102657134B (en) * 2012-05-31 2014-10-22 山东省海洋水产研究所 Industrial circulating seawater aquiculture system
CN103141428A (en) * 2013-03-26 2013-06-12 中国水产科学研究院渔业机械仪器研究所 Internal circulation fishpond and circulating water treatment process
CN103141428B (en) * 2013-03-26 2014-09-03 中国水产科学研究院渔业机械仪器研究所 Internal circulation fishpond and circulating water treatment process
CN103734077A (en) * 2013-12-23 2014-04-23 舟山市普陀兴海养殖优质种苗选育研究所 Automatic heating device and automatic heating method for seawater seedling culture pond
CN103734077B (en) * 2013-12-23 2015-11-11 舟山市普陀兴海养殖优质种苗选育研究所 The self-heating method of a kind of seawater seed rearing pond automatic heating device
CN109819926A (en) * 2018-12-06 2019-05-31 上海耕海渔业有限公司 Boat-carrying circulating water culture system

Similar Documents

Publication Publication Date Title
US9120686B2 (en) Wastewater treatment methods
US7850848B2 (en) Apparatus and process for biological wastewater treatment
CN101759323B (en) Treatment combined process for pig farm waste water with high nitrogen content
CN101767893B (en) Device and method for coupling producing biological oil by utilizing microalgae to deeply treating wastewater
CN101492230B (en) Comprehensive processing process and system for cultivation wastewater
CN104211259B (en) A kind of multifunctional ecological cleaning system of scale recirculating aquaculture water
RU2684080C2 (en) Super-large scale photon capture bioreactor for water purification and operation method therefor
JP2010507368A (en) System and method for growing photosynthetic cells
CN105712497B (en) A kind of activation of microorganism method and system of eutrophication water restoration of the ecosystem
CN102067824B (en) Closed circulating seawater prawn pond culture system
CN104098236B (en) Large-scale penkeeping field sewage treatment process
CN101397178B (en) Livestock and poultry raising sewage disposal process and disposal system thereof
JP2013527023A (en) System and method for reducing sludge produced in wastewater treatment facilities
CN103299943B (en) A kind of high-efficiency and energy-saving type batch production Two-way Cycle cultivating system
CN102742536A (en) Ecological seawater rare fish factorization circulating water aquaculture system
CN102499131B (en) Energy-saving factorized fully-sealed seawater circulation culture process method and special device thereof
CN100551850C (en) Composite ecological treatment method of sewage for artificial wet land and system thereof
CN101481194A (en) Town domestic sewage treatment process
CN202246336U (en) Unpowered ecological treatment system for treating rural domestic sewage
CN101475284B (en) Domestic sewage treatment process and apparatus
CN103798164B (en) A kind of indoor circulating water prawn high-density breeding technique
CN101215069B (en) Industrialization ecological treatment circulation utilization system for fish culture waste water
CN103880193B (en) Build the method for vertical current constructed wetland processing breeding wastewater based on waterworks sludge
KR101508055B1 (en) Aquaculture tank for bio-floc, using a bio skimmer
CN101333037A (en) Gas-lifting internal circulation intermission aerobic granule sludge reactor and water treatment process thereof

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121219

Termination date: 20170531

CF01 Termination of patent right due to non-payment of annual fee