CN108029598A - Taimen industrial circulating water cultivating method - Google Patents
Taimen industrial circulating water cultivating method Download PDFInfo
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- CN108029598A CN108029598A CN201810001508.1A CN201810001508A CN108029598A CN 108029598 A CN108029598 A CN 108029598A CN 201810001508 A CN201810001508 A CN 201810001508A CN 108029598 A CN108029598 A CN 108029598A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
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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
Taimen industrial circulating water cultivating method, belongs to technical field of aquaculture.Technical key point：Taimen circulating water culture system is connected with taimen juvenile fish cultivating system, by the juvenile fish of acclimatization culture, pass through parllel screening again, different size fry is put into multiple aquaculture ponds respectively, and the water body of aquaculture pond discharge is by sedimentation basin and Microfilter pond carry out residual bait, faecal suspension thing carries out filtering removal；It is detected using PH on-line monitoring systems, the pH value of breeding water body is adjusted；Breeding water body is set to enter the removal that float-ball type biofilter carries out the organic matters such as ammonia nitrogen, nitrate, nitrite by water pump；CO is carried out into trickling filter2Removed Deng pernicious gas；Enter back into oxygenation groove and carry out pure oxygen oxygenation；Water body after oxygenation carries out disinfection by ultraviolet light processing；Last breeding water body enters in aquaculture pond through the gravity flow of oxygenation high water tank, completes whole taimen circulating water cultivation process.The present invention is used for taimen industrial aquaculture.
Description
Technical field
The present invention relates to a kind of taimen circulating water cultivation method, and in particular to a kind of taimen industrial circulating water cultivating
Method, belongs to technical field of aquaculture.
Background technology
Taimen (Hucho taimen) is rare rare large-scale salmonidae cold water fishes, belongs to salmon shape mesh, taimen category；From
Under right environment, taimen inhabits in the river or streams that water quality is pure and fresh, temperature is relatively low (less than 15 DEG C) mostly.Its individual is big,
The speed of growth is fast, fine and tender taste, delicious flavour, has high nutritive value.Cultivated water ecological environment is by broken in recent years
It is bad, reduce taimen distributed areas scope large area, natural resources amount drastically declines, in Critical Condition.According to the world
Conservation of nature alliance (IUCN) divides threatened species classification standard, and taimen has belonged to aqua-marine life in imminent danger.In middle border
Interior, except tributary-Huma River of Upstream of Heilongjiang River, the Wusuli River and the Hanasi Lake, xinjiang Province in Xinjiang, there are minimum wild reproducting herd
Body, other waters are very rare, thus are also classified as endangered species by China.To save this fish in imminent danger, domestic and foreign scholars
Actively develop the artificial breeding of taimen.
At present, the cultivation of taimen mainly uses open flowing water culture, and water resources consumption is huge, and daily quantity of exchanged water is very
Greatly, average rate of water exchange is exchanged once, it is necessary to substantial amounts of water resources consumption per 1.5h.This just illustrates taimen cultivation really with sacrificial
Domestic animal natural water resource is cost.In addition, the growth of taimen is high to water quality and water temperature requirement, open flowing water culture is difficult to meet
Requirement of its growth to water quality, this is also the reason for taimen cannot promote on a large scale.Supported it would therefore be highly desirable to find a kind of taimen
The relevant technique of production and technology mode are grown, promotes taimen to cultivate to large-scale development.
Industrial circulating water cultivating system (Recirculating Aquaculture Systems, RAS) refers to pass through life
The methods of thing, chemistry, physics, carries out cultivation circulating water body a kind of aquaculture model of purified treatment, and advantage is：Water consumption is few, foster
Grow that density is high, growth cycle is short, efficiency of feed utilization is high, easily controllable growing environment, free from the influence of the external environment etc..At present,
Industrial circulating water cultivating system is commonly used in developed countries such as America and Europes, in China, is cultivated using circulating water culture system
The fish such as rainbow trout, flat sole class and shrimps, common eel, river Puffer, grouper have tentatively realized circulating water cultivation pattern or half
Circulating water cultivation pattern, but the circulating water culture system of taimen is rarely reported.
The content of the invention
The brief overview on the present invention is given below, in order to provide on the basic of certain aspects of the invention
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction on the present invention.It is not intended to determine the pass of the present invention
Key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form,
In this, as the preamble in greater detail discussed later.
In consideration of it, in order to overcome above-mentioned technical problem, the present invention provides a kind of taimen industrial circulating water cultivating side
Method, is suitable for carbonate-type industrial aquaculture taimen.
The taimen industrial circulating water cultivating method of the present invention, is specially：Taimen circulating water culture system and wise sieve
Fish juvenile fish cultivating system is connected, after the juvenile fish of acclimatization culture reaches 2g-4g, by parllel screening, different size fry point
Do not put into and carry out the suspended matters such as residual bait, excrement by sedimentation basin and Microfilter pond into multiple aquaculture ponds, the water body of aquaculture pond discharge
Carry out filtering removal；It is detected using PH on-line monitoring systems, the pH value of breeding water body is adjusted, reaches cultivation
In range of set value；Breeding water body is entered float-ball type biofilter by water pump and carry out ammonia nitrogen, nitrate, nitrite etc.
The removal of organic matter；CO is carried out into trickling filter2Removed Deng pernicious gas；Enter back into oxygenation groove and carry out pure oxygen oxygenation, reach foster
Grow demand；Water body after oxygenation carries out disinfection by ultraviolet light processing；Last breeding water body flows automatically through oxygenation high water tank enters cultivation
Chi Zhong, completes whole taimen circulating water cultivation process.
Further：A diameter of 1.5 meters of the fishpond of the aquaculture pond, pond depth are 1.0 meters, and quantity is 60, and total Water is
75 meters3；Cultivation density is 30-50 kg/ms3, cultured output 2250-3750kg.30,000 tail of fingerling of 100g or so can be cultivated
Left and right.
Further：Temperature where the aquaculture pond in workshop takes air temperature-adjustment, temperature in workshop is maintained at 17
~19 degrees Celsius；In the elimination run of taimen circulating water culture system and biomembrane cultivation stage, circulated by fishpond surface water
Fully exchanged with the air themperature in workshop, water body of the temperature for 8 DEG C of degree is gradually increased to 15 DEG C~17 DEG C degrees Celsius, with suitable
Fingerling growth is answered to require；Keep water temperature to be less than more than 2 degree of workshop air temperature at the same time, prevent vapor from rising, at the top of workshop
It is condensed into water droplet and forms wet environment, influences workshop circuit and system operation；Since the daily quantity of exchanged water of system is no more than 20%,
During cyclic culture, it can be required by water body with exchanging for workshop air to meet to heat up.
Further：Oxygenation groove carries out pure oxygen oxygenation detailed process：Using Nano ceramic rod is set in oxygenation groove, with liquid
Oxygen oxygenation way is to breeding water body oxygenation, it is ensured that breeding water body reaches 5mg/L in back pool.
Further：In order to tackle cut off the water suddenly, have a power failure, case of emergency, each fishpond such as dissolved oxygen rapid drawdown set nanometer
Pipeloop, carries out pure oxygen and meets an urgent need oxygenation.
Further：The concrete operations that pH value is adjusted are：Since circulating water cultivation process is an acid process, support
Growing water quality pH value can constantly decline, and limewash or sodium bicarbonate water adding set are provided with back pool, it is ensured that pH value control exists
Between 7.2-7.8.
Further：The water of 60 aquaculture ponds is 75m3, Bead biofilter, trickling filter, oxygenation groove, Microfilter pond
In water be 25m3, water water is crossed for circular water treating system, system total Water is 100 meters3Water body；Taimen aquaculture pond
Circulated 1 time when middle water body 1 is small, internal circulating load is 75 meters3/ hour.
Further：According to water body and cultivation density, system maximum cultivation amount 2250-3750kg, day bait throwing in coefficient is body
3~4%, daily ration of feeding 90-150kg are weighed, produces 7425g ammonia nitrogens；At low temperature, processing 7425g ammonia nitrogens need fixed bed filtrate
Amount be 50 meters3, filtrate coefficient is 1/149, sets 14 Bead biofilters to carry out biological treatment.
Further：The flow of the trickling filter load unit area is 0.36-15m3/ hour, each trickling filter take face
Product is 15 meters2, 1.3 meters of height, 0.2 meter of depth of water.To reach the effect that trickling filter removes removing carbon dioxide, trickling filter total blast volume should be big
In 500 meters3/ hour.
Further：In order to save operating cost, using oxygenation groove height is improved, realize that oxygenation groove becomes high water tank
Function.Pipeline pump is set at water inlet pipe at the same time, pipeline pump is opened on the premise of quantity of circulating water deficiency, so as to reach recirculated water
Flow and pressure requirements.Bait throwing in is set：According to the cultivation feature of taimen, each aquaculture pond sets a small-sized device for feeding fish bait, throws
Bait may be configured as full-automatic bait throwing in.The amount of bait throwing in material can be arranged to 1%-1.5% according to the big minor adjustment of fish；Set several times daily
Bait throwing in and shut-in time, correct time is set in liquid crystal display；Device for feeding fish bait bait throwing in work is automatic according to setting time
Start and automatic shutdown, realize Autoamtic bait putting function.System uses same set of PLC, control water temperature, water level, water, dissolved oxygen,
PH value, according to taimen circulating water cultivation actual requirement, makes These parameters meet taimen cultivation and requires.Water temperature is controlled 15
℃-17℃；5mg/l at dissolved oxygen backwater；PH value is controlled between 7.2-7.8；Water internal circulating load 75m3/h；Microfilter pond, oxygenation
Groove water level is set by needs of production, realizes that PLC system automatically controls.
Beneficial effect：
The purpose that the taimen industrial circulating water cultivating method of the present invention is established is to increase the cultivation of taimen week
Phase.The foundation of system makes taimen breeding process be carried out under manual control condition, excludes environmental change disturbing factor, it is ensured that supports
Breeding fish is in cultivating under suitable environment in each stage of its growth, so as to accelerate the speed of growth of breed variety and excellent
Breed breeding speed.Its general requirement is to utilize industrial circulating water cultivating, the taimen of cultivation is reached optimal growth speed
Degree.Pass through organic matter, the CO such as the ammonia nitrogen in the water technology removal breeding water body in system, nitrate, nitrite at the same time2
Deng pernicious gas, the pH value of breeding water body is effectively controlled, optimizes breeding water body environment, improves the utilization rate for feeding feed.
Brief description of the drawings
Fig. 1 is taimen industrial circulating water cultivating method flow block diagram of the present invention；
Fig. 2 is taimen industrial circulating water cultivating front view of the present invention；
Fig. 3 arranges top view for taimen industrial circulating water cultivating of the present invention.
In figure：Aquaculture pond 1, sedimentation basin 2, Microfilter pond 3, back pool 4, Bead biofilter 5, trickling filter 6, oxygenation groove
7th, apparatus for ultraviolet disinfection 8.
Embodiment
The one exemplary embodiment of the present invention is described hereinafter in connection with attached drawing.For clarity and conciseness,
All features of actual implementation mode are not described in the description.It should be understood, however, that developing any this actual implementation
It must be made during example much specific to the decision of embodiment, to realize the objectives of developer, for example, symbol
Conjunction and system and those relevant restrictive conditions of business, and these restrictive conditions may have with the difference of embodiment
Changed.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from the present invention
For those skilled in the art of disclosure, this development is only routine task.
Herein, it is also necessary to which explanation is a bit, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings
The apparatus structure closely related with scheme according to the present invention and/or processing step are illustrate only, and is eliminated and the present invention
The little other details of relation.
Embodiment：A kind of taimen industrial circulating water cultivating method is present embodiments provided as illustrated in the accompanying drawings from 1 to 3, specifically
For：Taimen circulating water culture system is connected with taimen juvenile fish cultivating system, reaches 2g-4g by the juvenile fish of acclimatization culture
Afterwards, by parllel screening, different size fry is put into multiple aquaculture ponds respectively, the water body of aquaculture pond discharge by sedimentation basin and
Microfilter pond carries out the suspended matters such as residual bait, excrement and carries out filtering removal；It is detected using PH on-line monitoring systems, to cultivation water
The pH value of body is adjusted, and reaches in cultivation range of set value；Breeding water body is set to enter float-ball type biology mistake by water pump
Filter carries out the removal of the organic matters such as ammonia nitrogen, nitrate, nitrite；CO is carried out into trickling filter2Removed Deng pernicious gas；Again
Pure oxygen oxygenation is carried out into oxygenation groove, reaches cultivation demand；Water body after oxygenation carries out disinfection by ultraviolet light processing；Last cultivation water
Body enters in aquaculture pond through the gravity flow of oxygenation high water tank, completes whole taimen circulating water cultivation process.
Specifically：A diameter of 1.5 meters of the fishpond of the aquaculture pond, pond depth are 1.0 meters, and quantity is 60, total Water 75
Rice3；Cultivation density is 30-50 kg/ms3, cultured output 2250-3750kg.30,000 tail of fingerling that 100g or so can be cultivated is left
It is right.Temperature where the aquaculture pond in workshop takes air temperature-adjustment, temperature in workshop is maintained at 17 DEG C -19 DEG C；In wise sieve
The elimination run of fish circulation water breeding system and biomembrane cultivation stage, pass through the circulation of fishpond surface water and the air themperature in workshop
Fully exchange, water body of the temperature for 8 DEG C of degree is gradually increased to 15 DEG C -17 DEG C degrees Celsius, required with adapting to fingerling growth；At the same time
Keep water temperature to be less than more than 2 DEG C of workshop air temperature, prevent vapor from rising, be condensed into water droplet at the top of workshop and form humidity
Environment, influences workshop circuit and system operation；, can during cyclic culture since the daily quantity of exchanged water of system is no more than 20%
Required by water body with exchanging for workshop air to meet to heat up.Oxygenation groove carries out pure oxygen oxygenation detailed process：Using increasing
Nano ceramic rod is set in oxygen groove, with liquid oxygen oxygenation way to breeding water body oxygenation, it is ensured that breeding water body reaches 5mg/ in back pool
L.In order to tackle cut off the water suddenly, have a power failure, case of emergency, each fishpond such as dissolved oxygen rapid drawdown set nanometer pipeloop, carrying out pure oxygen should
Anxious oxygenation.The concrete operations that pH value is adjusted are：Since circulating water cultivation process is an acid process, cultivation water pH value
Can constantly decline, limewash or sodium bicarbonate water adding set are provided with back pool, it is ensured that pH value control 7.2-7.8 it
Between.The water of 60 aquaculture ponds is 75m3, the water in Bead biofilter, trickling filter, oxygenation groove, Microfilter pond is 25m3,
Water water is crossed for circular water treating system, system total Water is 100 meters3Water body；Circulated when water body 1 is small in taimen aquaculture pond
1 time, internal circulating load is 75 meters3/ hour.According to water body and cultivation density, system maximum cultivation amount 2250-3750kg kg, day bait throwing in
Coefficient is weight 3~4%, and daily ration of feeding 90-150kg, produces 7425g ammonia nitrogens；At low temperature, handling 7425g ammonia nitrogens needs admittedly
The amount of fixed bed filtrate is 50 meters3, filtrate coefficient is 1/149, sets 14 Bead biofilters to carry out biological treatment.The drop
The flow of filter tank load unit area is 0.36~15m3/ hour, it is 15 meters that each trickling filter, which takes area,2, 1.3 meters of height, 0.2 meter
The depth of water.To reach the effect that trickling filter removes removing carbon dioxide, trickling filter total blast volume should be more than 500 meters3/ hour.
More specifically：In order to save operating cost, using oxygenation groove height is improved, realize that oxygenation groove becomes high water tank
Function.Pipeline pump is set at water inlet pipe at the same time, pipeline pump is opened on the premise of quantity of circulating water deficiency, so as to reach circulation
Water flow and pressure requirements.Bait throwing in is set：According to the cultivation feature of taimen, each aquaculture pond sets a small-sized device for feeding fish bait,
Bait throwing in may be configured as full-automatic bait throwing in.The amount of bait throwing in material can be arranged to 1%-1.5% according to the big minor adjustment of fish；Set daily several
Secondary bait throwing in and shut-in time, correct time is set in liquid crystal display；Device for feeding fish bait bait throwing in works according to setting time certainly
Dynamic start and automatic shutdown, realize Autoamtic bait putting function.System uses same set of PLC, control water temperature, water level, water, dissolving
Oxygen, pH value, according to taimen circulating water cultivation actual requirement, make These parameters meet taimen cultivation and require.Water temperature control exists
15℃-17℃；5mg/l at dissolved oxygen backwater；PH value is controlled between 7.2-7.8；Water internal circulating load 75m3/h；Microfilter pond, increase
Oxygen groove water level is set by needs of production, realizes that PLC system automatically controls.
More specifically：The taimen juvenile fish cultivating system includes aquaculture pond 1, sedimentation basin 2, Microfilter pond 3, back pool
4th, Bead biofilter 5, trickling filter 6, oxygenation groove 7 and apparatus for ultraviolet disinfection 8；
The quantity of the aquaculture pond 1 is multiple, and the port of export of aquaculture pond 1 is connected by pipeline with sedimentation basin 2, the precipitation
Pond 2 is located at the side of aquaculture pond 1, and the horizontal level of the input end of sedimentation basin 2 is equal to or less than the port of export of aquaculture pond 1；Institute
The side for stating sedimentation basin 2 is provided with Microfilter pond 3, and the port of export of sedimentation basin 2 is connected with the input end in Microfilter pond 3；It is described
The side in Microfilter pond 3 sets back pool 4, the port of export in Microfilter pond 3 and the input end of back pool 4, the cultivation in back pool 4
Water body enters Bead biofilter 5 by pipeline and water pump；The outlet of the Bead biofilter 5 passes through pipeline and water pump
Connected with trickling filter 6, the trickling filter 6 is located at the top of oxygenation groove 7, and oxygenation groove 7 is placed in the side of back pool 4, the oxygenation
Groove 7 is internally provided with apparatus for ultraviolet disinfection 8, and apparatus for ultraviolet disinfection 8 is connected by pipeline pump with oxygenation groove 7；The oxygenation
Water body water level in groove 7 is connected higher than the water body water level in aquaculture pond 1, the water body outlet of oxygenation groove 7 by pipeline with aquaculture pond 1
It is logical.
Specifically：PH on-line monitoring systems are provided with the side wall of the back pool 4.On the side wall of the back pool 4 also
It is provided with water body replenishment system.Microfilter pond is provided with bypass between the sedimentation basin 2 and back pool 4；In addition, oxygenation groove
Crossing pipeline pump is provided with bypass between 7 and apparatus for ultraviolet disinfection 8；Furthermore ultraviolet is crossed between pipeline pump and aquaculture pond 1
Chlorination equipment 8 is also equipped with bypassing.Oxygen machine is installed on 7 side wall of oxygenation groove.The sedimentation basin 2 is adjacent with Microfilter pond 3
Side wall shares, and the back pool 4 is shared with 7 adjacent wall of oxygenation groove.
More specifically：PLC control system is further included in a kind of taimen industrial circulating water cultivating method, it is described
PLC control system can carry out system the automatic monitoring of circulating water temperature, water level, dissolved oxygen, pH value, control water temperature, moisturizing, increasing
The adjusting of oxygen and pH value.
Taimen circulating water culture system is connected with taimen juvenile fish cultivating system, reaches by the juvenile fish of acclimatization culture
After 2g-4g, by parllel screening, different size fry is put into 60 aquaculture ponds respectively, utilizes industrial circulating water cultivating system
System carries out taimen circulating water cultivation, and constantly eliminates screening in the breeding process, and it is pool cultivated to carry out size specification point.
The daily supplement quantity of exchanged water of the taimen circulating water culture system of present embodiment be total water body in system 12~
20% or so.When bypass in system is for overhaul of the equipments and deactivation, system still is able to the function that circulating transfers to set.
Although disclosed embodiment is as above, its content is only to facilitate understand the technical side of the present invention
Case and the embodiment used, are not intended to limit the present invention.Any those skilled in the art to which this invention pertains, not
On the premise of departing from disclosed core technology scheme, any modification can be made in the form and details of implementation and is become
Change, but the protection domain that the present invention is limited, the scope that the appended claims that must still be subject to limits.
Claims (9)
1. taimen industrial circulating water cultivating method, it is characterised in that：Specifically, taimen circulating water culture system and wise sieve
Fish juvenile fish cultivating system is connected, after the juvenile fish of acclimatization culture reaches 2g-4g, by parllel screening, different size fry point
Do not put into multiple aquaculture ponds, the water body of aquaculture pond discharge by sedimentation basin and Microfilter pond carry out residual bait, faecal suspension thing into
Row filtering removes；It is detected using PH on-line monitoring systems, the pH value of breeding water body is adjusted, is reached cultivation and set
In limits；Breeding water body is entered float-ball type biofilter progress ammonia nitrogen, nitrate, nitrite etc. by water pump has
The removal of machine thing；CO is carried out into trickling filter2Removed Deng pernicious gas；Enter back into oxygenation groove and carry out pure oxygen oxygenation, reach cultivation
Demand；Water body after oxygenation carries out disinfection by ultraviolet light processing；Last breeding water body enters aquaculture pond through the gravity flow of oxygenation high water tank
In, complete whole taimen circulating water cultivation process.
2. taimen industrial circulating water cultivating method according to claim 1, it is characterised in that：The fish of the aquaculture pond
A diameter of 1.5 meters of pond, pond depth are 1.0 meters, and quantity is 60, and total Water is 75 meters3；Cultivation density is 30-50 kg/ms3, support
It is 2250-3750kg to grow yield.
3. taimen industrial circulating water cultivating method according to claim 1 or 2, it is characterised in that：The aquaculture pond
Temperature in the workshop of place takes air temperature-adjustment, temperature in workshop is maintained at 17~19 degrees Celsius；Supported in taimen recirculated water
System elimination run and biomembrane cultivation stage are grown, is circulated by fishpond surface water and is fully exchanged with the air themperature in workshop,
Water body of the temperature for 8 DEG C of degree is gradually increased to 15 DEG C~17 DEG C degrees Celsius, is required with adapting to fingerling growth；Keep water temperature at the same time
Less than more than 2 degree of workshop air temperature, prevent vapor from rising, be condensed into water droplet at the top of workshop and form wet environment；System
Daily quantity of exchanged water of uniting is no more than 20%, during cyclic culture, is wanted by water body with exchanging for workshop air to meet to heat up
Ask.
4. taimen industrial circulating water cultivating method according to claim 3, it is characterised in that：Oxygenation groove carries out pure oxygen
Oxygenation detailed process is：Using Nano ceramic rod is set in oxygenation groove, with liquid oxygen oxygenation way to breeding water body oxygenation, it is ensured that support
Grow water body and reach 5mg/L in back pool.
5. taimen industrial circulating water cultivating method according to claim 4, it is characterised in that：Each fishpond, which is set, to be received
Mitron circle, carries out pure oxygen and meets an urgent need oxygenation.
6. taimen industrial circulating water cultivating method according to claim 5, it is characterised in that：What pH value was adjusted
Concrete operations are：Since circulating water cultivation process is an acid process, cultivation water pH value can constantly decline, be set on back pool
It is equipped with limewash or sodium bicarbonate water adding set, it is ensured that pH value is controlled between 7.2-7.8.
7. taimen industrial circulating water cultivating method according to claim 6, it is characterised in that：The water of 60 aquaculture ponds
Measure as 75m3, the water in Bead biofilter, trickling filter, oxygenation groove, Microfilter pond is 25m3, it is circular water treating system
Cross water water, system total Water be 100 meters3Water body；Circulated 1 time when water body 1 is small in taimen aquaculture pond, internal circulating load 75
Rice3/ hour.
8. taimen industrial circulating water cultivating method according to claim 7, it is characterised in that：According to water body and cultivation
Density, system maximum cultivation amount 2250-3750kg, day bait throwing in coefficient are weight 3~4%, and daily ration of feeding 90-150kg, produces
7425g ammonia nitrogens；At low temperature, it is 50 meters that processing 7425g ammonia nitrogens, which need the amount of fixed bed filtrate,3, filtrate coefficient is 1/149, if
Put 14 Bead biofilters and carry out biological treatment.
9. taimen industrial circulating water cultivating method according to claim 8, it is characterised in that：The trickling filter load
The flow of unit area is 0.36-15m3/ hour, it is 15 meters that each trickling filter, which takes area,2, 1.3 meters of height, 0.2 meter of depth of water.
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| CN109169414A (en) * | 2018-07-24 | 2019-01-11 | 广东省石油与精细化工研究院 | A method of using compound heterotrophic nitrification-aerobic denitrification microbial inoculum high density circulating water cultivation peacock fry |
| CN110278892A (en) * | 2019-07-19 | 2019-09-27 | 淮阴师范学院 | A kind of zero-emission Micropterus salmonoides temperature control method for culturing seedlings |
| CN111066699A (en) * | 2020-01-15 | 2020-04-28 | 中国水产科学研究院南海水产研究所 | Industrial recirculating aquaculture method for micropterus salmoides |
| CN111543359A (en) * | 2020-05-20 | 2020-08-18 | 中国水产科学研究院渔业机械仪器研究所 | Variable flow relay type fish recirculating aquaculture method |
| CN112931305A (en) * | 2021-01-15 | 2021-06-11 | 启源渔业科技有限公司 | Green aquaculture method based on recirculating aquaculture aquatic products |
| CN113711972A (en) * | 2021-08-23 | 2021-11-30 | 渤海水产育种(海南)有限公司 | Water treatment facilities is bred to breeding shrimp |
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| CN112931305A (en) * | 2021-01-15 | 2021-06-11 | 启源渔业科技有限公司 | Green aquaculture method based on recirculating aquaculture aquatic products |
| CN113711972A (en) * | 2021-08-23 | 2021-11-30 | 渤海水产育种(海南)有限公司 | Water treatment facilities is bred to breeding shrimp |
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