CN104756916B - It is a kind of to safeguard the cold aqueous Salmons seedling system of reverse-flow type certainly - Google Patents
It is a kind of to safeguard the cold aqueous Salmons seedling system of reverse-flow type certainly Download PDFInfo
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- CN104756916B CN104756916B CN201510168404.6A CN201510168404A CN104756916B CN 104756916 B CN104756916 B CN 104756916B CN 201510168404 A CN201510168404 A CN 201510168404A CN 104756916 B CN104756916 B CN 104756916B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
It is specifically a kind of to safeguard the cold aqueous Salmons seedling system of reverse-flow type certainly the invention belongs to aquaculture field.Including disinfection by ultraviolet light unit, the terminal optimized unit of water quality, circulating water cultivation pond, sieve bend solid-liquid separation unit buffers regulating reservoir, and biofiltration unit safeguards return duct group certainly；Newly replenish water-filling to be supplied by neighbouring water head site, by disinfection by ultraviolet light unit, the terminal optimized unit of water quality enters circulating water cultivation pond；Culturing pool is recycled.The present invention is suitable for closed circulation water cultivation, the vigor of system biological cleaning can be kept, purpose of the circular water treating system from maintaining non-inoculation is reached, circulation can be made to run without interruption for a long time, there is the characteristics of feature is strong, low in energy consumption, floor space is small, cost input is few simultaneously, realize recycling for water resource, economical and efficient, it is easy to promote.
Description
Technical field
It is specifically a kind of to safeguard the cold aqueous Salmons nursery system of reverse-flow type certainly the invention belongs to aquaculture field
System.
Background technology
Because fish production is in the urgent need to numerous domestic aquatic products unit proceeds by the cyclic culture life of seawater, fresh water
Produce, test.Circulating water cultivation refers to breeding water by after some column processing, main to include going the ammonia nitrogen of solubilised state and Asia in water removal
Nitrate nitrogen, and dissolved oxygen in water is improved, excess carbon dioxide, nitrogen etc. make water quality reach cultivation standard again in removing water, use
In cultivation.Main methods are all quite similar in various cultivating systems, mainly including physical filtering, biofiltration, sterilization
The means such as sterilization, aeration aerating.
Physical filtering link easily can not in time be removed because of build up of dirt and produce blocking, influence breeding process, meanwhile,
Sedimentation basin or Microfilter are such as used, then needs larger place or energy consumption；Building in multi-stage biological filter tank in biofiltration link
Scale life is made to be difficult to hold, build it is excessive cause construction cost and the operating cost to increase, build and cause less water treatment efficiency not up to will
Ask.Above method simple combination is larger using difficulty is not only implemented, and treatment effect also will not be very good.
Therefore, to the analysis that existing circulating water culture system is not enough based on more than, in the urgent need to combining Chinese national conditions, plus
Speed development is with relatively low equipment cost, system operating power consumption cost, friendly ecological industrial recirculated water real to environment
Cultivating system.Cultivating system only in this way, just with real feasibility, being capable of spread.
The content of the invention
To solve above-mentioned the deficiencies in the prior art, the present invention provides one kind and safeguards the cold aqueous salmon trout of reverse-flow type certainly
Class seedling system, the breeding water in the system is used through circular treatment Posterior circle, is not required to repeated inoculation purifying water micrcxDrganism, bag
Include：Including disinfection by ultraviolet light unit, the terminal optimized unit of water quality, circulating water cultivation pond, sieve bend solid-liquid separation unit, buffering is adjusted
Section pond, biofiltration unit safeguards return duct group certainly；The disinfection by ultraviolet light unit, the terminal optimized unit of water quality, recirculated water is supported
Pond is grown, sieve bend solid-liquid separation unit buffers regulating reservoir, and biofiltration unit is sequentially connected, described to safeguard that return duct group is defeated certainly
Enter end to be connected with the terminal optimized unit of water quality and biofiltration unit, output end is connected with sieve bend solid-liquid separation unit；It is described
Biofiltration unit is connected with disinfection by ultraviolet light unit；Due to blowdown, evaporation, water quality is maintained, breeding water need to be carried out in system
A certain amount of discharge, within the 20% of total Water, therefore needs amount of makeup water, newly replenishes water-filling and is supplied by neighbouring water head site, such as underground
Water, fresh seawater, but all need by pretreatment, by disinfection by ultraviolet light unit, the terminal optimized unit of water quality is supported into recirculated water
Grow pond.
The disinfection by ultraviolet light unit using direct-injection type ultraviolet vertically sterilization sterilization module, supplement addition new water and
The backwater filtered by biofiltration unit via disinfection by ultraviolet light unit, into the terminal optimized unit of water quality；Purple traditional at present
Outside line chlorination equipment has that cost is high, it is big to consume energy, the sterilization that the direct-injection type ultraviolet that the system is used vertically is sterilized
Module, solves the problems, such as that circulating water cultivation backwater reuses prevention of damage by disease by efficient disinfection by ultraviolet light, prevents harmful thin
The cross-infection that bacterium and virus spread and causes in water is liked, substantially increases the safety of recirculated water.Direct-injection type ultraviolet hangs down
Straight chlorination equipment its it is maximum the characteristics of be efficiently, energy-conservation and green non-pollution, than Conventional ultraviolet chlorination equipment reduce cost,
The labour intensity of energy consumption and operational administrative.Modularized design, therefore installation scale is changeable, can enter according to processing requirement and load
Row is adjusted flexibly.Ultraviolet disinfection module is arranged in disinfection by ultraviolet light well, and disinfection well water (flow) direction bottom in and top out is not being installed
During sterilization module, disinfection well was only used as aquaporin and used.
The terminal optimized unit of water quality is the buffering pond for being provided with ORP controllers and monitoring probe, is also set inside it
Oxygenation mouthful and ozone inlet are equipped with, oxygenate apparatus and ozone generating-device are connected respectively, 10mg/ is reached to oxygen in water concentration
L, leads to ozone oxidation and kills disease caused by infectious water substance；The terminal optimized unit of water quality is also connected with degasser, the degasser with
Air blower is connected, and blasts the excessive carbon dioxide and nitrogen of content in air removal water body.This unit is controlled by oxygenation, ORP
With the balance of total gas level, degassing and a series of technological means such as the biomembrane that comes off and other impurities in removal recirculated water
To reach the purpose of optimizing water quality, recirculated water is farthest reverted to the level of fresh water, improve aquaculture organism and adapt to energy
Power and immunity.Inside can add dissolved oxygen monitoring, CO2The real-time online intelligent monitor systems such as concentration measurement and control, ORP monitoring, ORP is
For monitoring the index of the redox reaction current potential after ozone is dissolved in the water, oxidation-reduction electrode can weigh cultivation water process
Disinfection Effect because the bactericidal effect of coliform is influenceed by oxidation-reduction potential in water, oxidation-reduction potential is water
The reliability index of matter, the oxidation reduction potential value in water is equal to or higher than 650mv, then it represents that bacteria containing amount therein can be to receive
's.Each monitoring system co-ordination, is closed with the unlatching for controlling dissolved oxygen valve, maintains target dissolved oxygen content, and ORP monitoring can be with purple
Outside line sterilization module intellectuality is connected, in terminal pond by monitoring the control ultraviolet disinfection module opening time and opening rule
Mould.
The circulating water cultivation pond is provided with circulating water reclamation component, and each culturing pool installs a set of, and the recirculated water is returned
Receipts component is opened type syphon structure；Can aquaculture organism has according to water level in breed variety regulating reservoir, if necessary in such pond
When sick, can individually depart from circulation and be changed to flowing water culture, water level monitor device can be added, to monitor low water level.
The sieve bend solid-liquid separation unit is provided with the sieve bend distribution channel of sieve bend, the sieve bend water distribution for upper surface
Overflow launder is provided with groove, is drained with the water that will be greater than Treatment for Reuse amount；Sieve bend has sewage sump, and sewage sump top sets blowdown
Hole, can recoil dirt is enriched with sieve bend to sewage sump, then discharge cultivating system via mudhole, with anti-clogging；Sieve bend
Solid-liquid separation technique, arc sieve bend solid-liquid separation device its it is maximum the characteristics of be water saving, energy-conservation and green non-pollution, reduce waste water
Discharge, than the conventional circulating water culture system water saving using Microfilter separation of solid and liquid up to 100%- without cleaning, energy-conservation 100%-
Without power, sewage discharge more than 80% is reduced, overall economic efficiency can improve more than 20%.This unit is intended to remove 100 μ
The solid particle polluter of more than m, rotary drum Microfilter and sieve bend are all widely used in physical filtering step, and wherein Microfilter needs
External source thing, rotates filter drum, safeguards also more troublesome.Sieve bend is simply laid, and current is left from it, through it
Outflow, filters solid particle polluter.
Immersible pump is installed in the buffering regulating reservoir, is connected with biofiltration unit by immersible pump；Slow down current, enter
Row caching, then acidic reduction oxidation pond is delivered water into by water circulating pump.Immersible pump uses submersible axial flow pump, lift 4.00m, stream
Amount 150m3/ h, power of motor 3.00kw, often cover circulation and install three, with two for one.
The biofiltration unit includes the acidifying reduction reaction pond of anaerobic environment and two biofilters of aerobic environment；
Culture has the acidifying also protozoa of anaerobism in the acidifying reduction reaction pond, and the acidifying reduction bioremediation using anaerobism is entered
The method purified treatment of row biological denitrificaion and precipitation, improves the state of the microcirculation and metabolism in biological bag, by anaerobism
Acidifying reduction treatment water improve water BOD and COD ratio, make water become easier to carry out nitrification processing, be next
Water quality preparation is carried out in the biological cleaning of step, and its side top is provided with water inlet, is connected with immersible pump, and opposite side lower section is provided with
Delivery port, is connected with the water inlet below the first biofilter, on the first biofilter top delivery port and the second biofilter
Square water inlet is connected, and second biofilter lower section delivery port and disinfection by ultraviolet light unit and safeguards that return duct group is connected certainly；
The biofilter is immersion bed biofilter, is provided with stereo-elastic biofilter material, is laid in biofilter bottom and exposed
Tracheae group, is supplied, oxygen in water concentration 4-6mg/L by Roots blower；
It is described to safeguard return duct group by the overflow launder above biofilter, the pump pond being connected with the terminal optimized unit of water quality certainly
The pipeline being connected with sieve bend solid-liquid separation unit with the two is constituted.To ensure that purifying water micrcxDrganism keeps higher in processing system
Level, the content of purifying water micrcxDrganism in system is maintained using the method for segment reflux, the recirculated water in system is back to
The front end of system is come, and so can the various purifying water micrcxDrganisms dissociated in water is back into front end to play the mesh of microbial inoculant
, go round and begin again continual backflow, continual " inoculation ", this ensures that theres in system the concentration of purifying water micrcxDrganism and net
The speed that water microorganism updates, maintains the vigor of system biological purification, thus maintenance is exempted from certainly to have reached circular water treating system
The purpose of inoculation, can make circulation run without interruption for a long time, the amount of cure of the time more long circulation of operation
It is higher.
Flowed into the biofilter of the terminal optimized unit of the water quality and biofiltration unit and safeguard return duct group water certainly
It is the 10%-20% of system water.
Further, the system also includes eddy current type separate tank, can make heavier granule foreign in recirculated water backwater
Separation removal was carried out before sieve bend is entered, so as to mitigate the filtering load of sieve bend, the filtering of sieve bend is provide further relative savings
Area, the eddy current type separate tank is connected with circulating water cultivation pond via drainpipe, and the other end is connected with sieve bend distribution reservoir, institute
Eddy current type separate tank is stated higher than sieve bend distribution reservoir 8-15cm.
Further, the circulating water reclamation component is managed and tube manufacture using Φ 160pvc, with recovery breeding wastewater
（Including water surface offscum）, constant pool inner water position（Overflow）, single pond blowdown（The dirt of bottom of pond individually can be discharged to mitigate circulation
The pressure of water treatment system.
Further, oxygenation uses liquid oxygen pure oxygen oxygenation, and the oxygenation mechanism is that venturi type ejector or low-head are supplied
Oxygen device.
Further, the sieve bend filtering accuracy is 210-240 μm, and individual theoretical drainage amount is 50m3/h.
Further, it is 220-230nm that ultraviolet wavelength is radiated in the disinfection by ultraviolet light process step, it is ensured that broken meeting
Eucaryotic cell structure, destroys DNA or RNA chain structures.
It is terminal optimized water quality to be exited into again through disinfection by ultraviolet light after the water mixing of new water addition water and biofilter outflow
Unit, then a portion water be pumped into from return duct group is safeguarded through pump pool inner water, remaining water is by aqueduct by water
It is pumped into each culturing pool.Then water flows into vortex separate tank from culturing pool, freely falls from the water of vortex separate tank outflow
Enter sieve bend distribution reservoir, buffering regulating reservoir is entered by the water after sieve bend filtering, water is mixed via the water that each group sieve bend is filtered
Close, slow down water velocity, there is water circulating pump to carry to acidic reduction oxidation pond, water circulating pump just as in buffering regulating reservoir, is buffered
It is separated out in regulating reservoir and carrys out a pocket for installing water pump.Water is carried to acidic reduction oxidation pond by water pump, under current are enterprising
Go out and enter acidic reduction oxidation pond, bottom in and top out enters biological purifying tank, wherein biological purifying tank point two-stage, current bottom in and top out
Into the first order, upper entering and lower leaving enters the second level.In second level biological purifying tank part, by overflow launder and pipeline by part water
Introduce from return duct group is safeguarded, into the distribution reservoir of sieve bend, recycling.The water of biofilter outflow enters disinfection by ultraviolet light
Well, water (flow) direction bottom in and top out.
In sum, the present invention suitable for closed circulation water cultivation, with feature it is strong, low in energy consumption, floor space is small,
The characteristics of cost input is few, realizes recycling for water resource, economical and efficient, it is easy to promote.
Brief description of the drawings
Fig. 1 is process flow diagram of the invention.
Specific embodiment
To make the purpose of the present invention, technical scheme and effect clearer, clear and definite, below to the present invention further specifically
It is bright.It should be appreciated that specific implementation example described herein is only used to explain the present invention, it is not intended to limit the present invention.
Embodiment 1：
It is a kind of to safeguard the cold aqueous Salmons seedling system of reverse-flow type certainly, it is adaptable to which that closed circulation water is cultivated, including：Bag
Disinfection by ultraviolet light unit is included, the terminal optimized unit of water quality, circulating water cultivation pond, sieve bend solid-liquid separation unit buffers regulating reservoir,
Biofiltration unit, safeguards return duct group certainly；The disinfection by ultraviolet light unit, the terminal optimized unit of water quality, circulating water cultivation pond,
Sieve bend solid-liquid separation unit, buffers regulating reservoir, and biofiltration unit is sequentially connected, it is described from safeguard return duct group input with
The terminal optimized unit of water quality is connected with biofiltration unit, and output end is connected with sieve bend solid-liquid separation unit；The biological mistake
Filter unit is connected with disinfection by ultraviolet light unit；Newly replenish water-filling to be supplied by neighbouring water head site, by disinfection by ultraviolet light unit, water quality
Terminal optimized unit enters circulating water cultivation pond.
The disinfection by ultraviolet light unit using direct-injection type ultraviolet vertically sterilization sterilization module, supplement addition new water and
The backwater filtered by biofiltration unit via disinfection by ultraviolet light unit, into the terminal optimized unit of water quality；Purple traditional at present
Outside line chlorination equipment has that cost is high, it is big to consume energy, the sterilization that the direct-injection type ultraviolet that the system is used vertically is sterilized
Module, solves the problems, such as that circulating water cultivation backwater reuses prevention of damage by disease by efficient disinfection by ultraviolet light, prevents harmful thin
The cross-infection that bacterium and virus spread and causes in water is liked, substantially increases the safety of recirculated water.Direct-injection type ultraviolet hangs down
Straight chlorination equipment its it is maximum the characteristics of be efficiently, energy-conservation and green non-pollution, than Conventional ultraviolet chlorination equipment reduce cost,
The labour intensity of energy consumption and operational administrative.Ultraviolet disinfection module is arranged in disinfection by ultraviolet light well, under disinfection well water (flow) direction
Go out on entering.
The terminal optimized unit of water quality is the buffering pond for being provided with ORP controllers and monitoring probe, is also set inside it
Oxygenation mouthful and ozone inlet are equipped with, oxygenate apparatus and ozone generating-device are connected respectively, 10mg/ is reached to oxygen in water concentration
L, leads to ozone oxidation and kills disease caused by infectious water substance；The terminal optimized unit of water quality is also connected with degasser, the degasser with
Air blower is connected, and blasts the excessive carbon dioxide and nitrogen of content in air removal water body.This unit is controlled by oxygenation, ORP
With the balance of total gas level, degassing and a series of technological means such as the biomembrane that comes off and other impurities in removal recirculated water
To reach the purpose of optimizing water quality, recirculated water is farthest reverted to the level of fresh water, improve aquaculture organism and adapt to energy
Power and immunity.The monitoring of inside addition dissolved oxygen, CO2The real-time online intelligent monitor systems such as concentration measurement and control, ORP monitoring, ORP is to use
To monitor the index of the redox reaction current potential after ozone is dissolved in the water, oxidation-reduction electrode can weigh cultivation water process
Disinfection Effect, because the bactericidal effect of coliform is influenceed by oxidation-reduction potential in water, oxidation-reduction potential is water quality
Reliability index, oxidation reduction potential value in water is equal to or higher than 650mv, then it represents that bacteria containing amount therein can be to receive
's.Each monitoring system co-ordination, is closed with the unlatching for controlling dissolved oxygen valve, maintains target dissolved oxygen content, and ORP monitoring can be with purple
Outside line sterilization module intellectuality is connected, in terminal pond by monitoring the control ultraviolet disinfection module opening time and opening rule
Mould.
The circulating water cultivation pond is provided with circulating water reclamation component, and each culturing pool installs a set of, and the recirculated water is returned
Receipts component is opened type syphon structure；When aquaculture organism is ill in this pond, individually departs from circulation and be changed to flowing water culture,
Water level monitor device is added, to monitor low water level.
The sieve bend solid-liquid separation unit is provided with the sieve bend distribution channel of sieve bend, the sieve bend water distribution for upper surface
Overflow launder is provided with groove, is drained with the water that will be greater than Treatment for Reuse amount；Sieve bend has sewage sump, and sewage sump top sets blowdown
Hole, can recoil dirt is enriched with sieve bend to sewage sump, then discharge cultivating system via mudhole, with anti-clogging；Sieve bend
Solid-liquid separation technique, arc sieve bend solid-liquid separation device its it is maximum the characteristics of be water saving, energy-conservation and green non-pollution, reduce waste water
Discharge, than the conventional circulating water culture system water saving using Microfilter separation of solid and liquid up to 100%- without cleaning, energy-conservation 100%-
Without power, sewage discharge more than 80% is reduced, overall economic efficiency can improve more than 20%.This unit is intended to remove 100 μ
The solid particle polluter of more than m, rotary drum Microfilter and sieve bend are all widely used in physical filtering step, and wherein Microfilter needs
External source thing, rotates filter drum, safeguards also more troublesome.Sieve bend is simply laid, and current is left from it, through it
Outflow, filters solid particle polluter.
Immersible pump is installed in the buffering regulating reservoir, is connected with biofiltration unit by immersible pump；Slow down current, enter
Row caching, then acidic reduction oxidation pond is delivered water into by water circulating pump.Immersible pump uses submersible axial flow pump, lift 4.00m, stream
Amount 150m3/ h, power of motor 3.00kw, often cover circulation and install three, with two for one.
The biofiltration unit includes the acidifying reduction reaction pond of anaerobic environment and two biofilters of aerobic environment；
Culture has the acidifying also protozoa of anaerobism in the acidifying reduction reaction pond, and the acidifying reduction bioremediation using anaerobism is entered
The method purified treatment of row biological denitrificaion and precipitation, improves the state of the microcirculation and metabolism in biological bag, by anaerobism
Acidifying reduction treatment water improve water BOD and COD ratio, make water become easier to carry out nitrification processing, be next
Water quality preparation is carried out in the biological cleaning of step, and its side top is provided with water inlet, is connected with immersible pump, and opposite side lower section is provided with
Delivery port, is connected with the water inlet below the first biofilter, on the first biofilter top delivery port and the second biofilter
Square water inlet is connected, and second biofilter lower section delivery port and disinfection by ultraviolet light unit and safeguards that return duct group is connected certainly；
The biofilter is immersion bed biofilter, is provided with stereo-elastic biofilter material, is laid in biofilter bottom and exposed
Tracheae group, is supplied, oxygen in water concentration 5mg/L by Roots blower；
It is described to safeguard return duct group by the overflow launder above biofilter, the pump pond being connected with the terminal optimized unit of water quality certainly
The pipeline being connected with sieve bend solid-liquid separation unit with the two is constituted.To ensure that purifying water micrcxDrganism keeps higher in processing system
Level, the content of purifying water micrcxDrganism in system is maintained using the method for segment reflux, the recirculated water in system is back to
The front end of system is come, and so can the various purifying water micrcxDrganisms dissociated in water is back into front end to play the mesh of microbial inoculant
, go round and begin again continual backflow, continual " inoculation ".
Flowed into the biofilter of the terminal optimized unit of the water quality and biofiltration unit and safeguard return duct group water certainly
It is the 15% of system water.
The system also includes eddy current type separate tank, and heavier granule foreign in recirculated water backwater can be made to enter arc
Separation removal is carried out before sieve, so as to mitigate the filtering load of sieve bend, the filter area of sieve bend, the whirlpool is provide further relative savings
Streaming separate tank is connected with circulating water cultivation pond via drainpipe, and the other end is connected with sieve bend distribution reservoir, the eddy current type point
It is higher than sieve bend distribution reservoir 10cm from pond.
The circulating water reclamation component is managed and tube manufacture using Φ 160pvc, with recovery breeding wastewater（Including the water surface
Offscum）, constant pool inner water position（Overflow）, single pond blowdown（The dirt of bottom of pond individually can be discharged to mitigate circulating water treatment system
The pressure of system.
Oxygenation uses liquid oxygen pure oxygen oxygenation, and the oxygenation mechanism is low-head oxygen supply.
The sieve bend filtering accuracy is 225 μm, and individual theoretical drainage amount is 50m3/h.
It is 225nm that ultraviolet wavelength is radiated in the disinfection by ultraviolet light process step, it is ensured that broken meeting eucaryotic cell structure, destruction
DNA or RNA chain structures.
The maximum biology bearing capacity of the present embodiment breeding water body：30kg/m³；NH can be reached through the water quality after treatment4-N≦
0.15mg/L（Ammonia nitrogen）, NO2-N≦0.02mg/L（Nitrite nitrogen）, COD≤2mg/L, SS≤10mg/L（Suspended solid）, pH=
7.5-8.2, DO（In terms of 20 DEG C of culturing pool output water temperature）≧10mg/L；Per round the clock（24 hours）Water circulation number of times：≧20；System
From safeguarding backflow water yield：10-20%；New water supplement addition：＜ 20m3/d.
Below the present invention is described in detail, the above, only the preferred embodiments of the invention, when can not
Limit the scope of the present invention, i.e., it is all to make impartial change and modification according to the application scope, all should still belong to covering scope of the present invention
It is interior.
Claims (8)
- It is 1. a kind of to safeguard the cold aqueous Salmons seedling system of reverse-flow type certainly, it is characterised in that：Breeding water warp in the system Circular treatment Posterior circle is used, and is not required to repeated inoculation purifying water micrcxDrganism, wherein, the terminal optimized unit of water quality is provided with circular treatment Certainly return duct group is safeguarded；The terminal optimized unit of water quality is the buffering pond for being provided with ORP controllers and monitoring probe, is additionally provided with inside it Oxygenation mouthful and ozone inlet, connect oxygenate apparatus and ozone generating-device, ORP controllers and disinfection by ultraviolet light unit intelligence respectively Change is connected, in the terminal optimized unit of water quality by monitoring the control disinfection by ultraviolet light unit opening time and opening scale；It is described The terminal optimized unit of water quality is also connected with degasser, and the degasser is connected with air blower；The terminal optimized unit of water quality It is connected with pump pond, pump pond pipeline is connected with from the input for safeguarding return duct group；It is described to safeguard return duct group by the overflow launder above biofilter, the pump pond and two being connected with the terminal optimized unit of water quality certainly The pipeline composition that person is connected with sieve bend solid-liquid separation unit, flows into from the 10%- for safeguarding that return duct group water is system water 20%；The system also includes disinfection by ultraviolet light unit, and culturing pool, sieve bend solid-liquid separation unit buffers regulating reservoir, and biological mistake Filter unit；The disinfection by ultraviolet light unit is direct-injection type ultraviolet vertical sterilizing device, and disinfection by ultraviolet light unit is arranged on sterilization In well, disinfection well water (flow) direction bottom in and top out, when disinfection by ultraviolet light unit is not installed, disinfection well was only used as aquaporin to be made With；The disinfection by ultraviolet light unit, the terminal optimized unit of water quality, culturing pool, sieve bend solid-liquid separation unit buffers regulating reservoir, Biofiltration unit is sequentially connected；The culturing pool is provided with circulating water reclamation component, and each culturing pool installs a set of, described to follow Ring Water Sproading component is opened type syphon structure；Immersible pump is installed in the buffering regulating reservoir, is connected with biofiltration unit by immersible pump；It is described to safeguard return duct group input with the pump pond of the terminal optimized unit of water quality and the overflow launder phase of biofiltration unit certainly Even, output end is connected to form with sieve bend solid-liquid separation unit and safeguards reflux cycle certainly；The biofiltration unit is connected with disinfection by ultraviolet light unit, forms cultivation water circulation；By disinfection by ultraviolet light unit, the terminal optimized unit of water quality enters culturing pool for new water supplement addition；Overflow launder and sewage sump are provided with sieve bend distribution channel, are drained with the water that will be greater than Treatment for Reuse amount；Sewage sump top sets Mudhole, can recoil dirt is enriched with sieve bend to sewage sump, then discharge cultivating system via mudhole, with anti-clogging；Biofilter is immersion bed biofilter, is provided with stereo-elastic biofilter material, is laid in biofilter bottom and exposed Tracheae group, is supplied, oxygen in water concentration 4-6mg/L by Roots blower.
- 2. one kind as claimed in claim 1 safeguards the cold aqueous Salmons seedling system of reverse-flow type certainly, it is characterised in that：It is described System also includes eddy current type separate tank, and described eddy current type separate tank one end is connected with culturing pool via drainpipe, the other end and arc Shape sieve distribution reservoir is connected, and the eddy current type separate tank is higher than sieve bend distribution reservoir 8-15cm.
- 3. one kind as claimed in claim 1 safeguards the cold aqueous Salmons seedling system of reverse-flow type certainly, it is characterised in that：It is described The monitoring probe of the terminal optimized unit of water quality is dissolved oxygen monitoring probe, CO2Concentration monitor probe, ORP monitoring probes, the monitoring Probe is connected with real-time online intelligent monitor system, the unlatching closure of control system control dissolved oxygen valve.
- 4. one kind as claimed in claim 1 safeguards the cold aqueous Salmons seedling system of reverse-flow type certainly, it is characterised in that：It is described ORP controllers are connected with the intellectuality of disinfection by ultraviolet light unit, control the disinfection by ultraviolet light unit opening time and open scale.
- 5. one kind as claimed in claim 1 safeguards the cold aqueous Salmons seedling system of reverse-flow type certainly, it is characterised in that：Oxygenation Using liquid oxygen pure oxygen oxygenation, oxygenation mechanism is venturi type ejector or low-head oxygen supply.
- 6. one kind as claimed in claim 1 safeguards the cold aqueous Salmons seedling system of reverse-flow type certainly, it is characterised in that：It is described Sieve bend solid-liquid separation unit is filtered using sieve bend, and precision is 210-240 μm, and individual theoretical drainage amount is 50m3/h。
- 7. one kind as claimed in claim 1 safeguards the cold aqueous Salmons seedling system of reverse-flow type certainly, it is characterised in that：It is ultraviolet Line radiates ultraviolet wavelength for 220-230nm in disinfecting step.
- 8. one kind as claimed in claim 1 safeguards the cold aqueous Salmons seedling system of reverse-flow type certainly, it is characterised in that：It is described Biofiltration unit includes the acidifying reduction reaction pond of anaerobic environment and two biofilters of aerobic environment；The acidifying reduction Culture has the acidifying also protozoa of anaerobism in reaction tank, using the acidifying reduction bioremediation of anaerobism carry out biological denitrificaion and The method purified treatment of precipitation, is that water quality preparation is carried out in the purification of next stage aerobe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168404.6A CN104756916B (en) | 2015-04-12 | 2015-04-12 | It is a kind of to safeguard the cold aqueous Salmons seedling system of reverse-flow type certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168404.6A CN104756916B (en) | 2015-04-12 | 2015-04-12 | It is a kind of to safeguard the cold aqueous Salmons seedling system of reverse-flow type certainly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104756916A CN104756916A (en) | 2015-07-08 |
| CN104756916B true CN104756916B (en) | 2017-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510168404.6A Active CN104756916B (en) | 2015-04-12 | 2015-04-12 | It is a kind of to safeguard the cold aqueous Salmons seedling system of reverse-flow type certainly |
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| CN105165697B (en) * | 2015-08-06 | 2018-09-14 | 珠海市威必威数码科技有限责任公司 | A kind of detachable environment-protecting cultivation system |
| WO2017086875A1 (en) * | 2015-11-18 | 2017-05-26 | Cube 2 Pte Ltd | An apparatus and method for treating water for rearing aquatic beings |
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| CN105766723B (en) * | 2016-03-19 | 2019-03-22 | 山东东方海洋科技股份有限公司 | A kind of factorial seedling-culturing method of maple leaf salmon |
| CN106035190B (en) * | 2016-06-23 | 2018-08-24 | 青岛启航网箱工程技术有限公司 | A kind of binary channels method for treating water of seawater industrial circulating water system |
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| CN109231685A (en) * | 2018-10-18 | 2019-01-18 | 无锡康立斯科技发展有限公司 | A kind of environment-friendly and energy-efficient sea water and fresh water industrial aquaculture system circulation water treatment system and method |
| CN110089479B (en) * | 2019-06-18 | 2024-04-12 | 岭南师范学院 | Aquatic product circulating water culture laboratory breeding device |
| CN114747513A (en) * | 2022-03-17 | 2022-07-15 | 中国水产科学研究院黑龙江水产研究所 | High-density cultivation method for early juvenile fishes of brachymystax lenok |
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| CN201574107U (en) * | 2009-10-29 | 2010-09-08 | 朱鸽 | Water purification machine controller |
| CN202143402U (en) * | 2011-06-27 | 2012-02-15 | 天津盛亿养殖有限公司 | Circulating water aquaculture system |
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