CN105165678A - Sturgeon culturing method - Google Patents
Sturgeon culturing method Download PDFInfo
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- CN105165678A CN105165678A CN201510531042.2A CN201510531042A CN105165678A CN 105165678 A CN105165678 A CN 105165678A CN 201510531042 A CN201510531042 A CN 201510531042A CN 105165678 A CN105165678 A CN 105165678A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
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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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
Abstract
The present invention relates to a sturgeon culturing method. The method comprises: performing ecological treatment and bio-physical treatment in turn on wastewater emitted from a culturing region, wherein the water obtained by the bio-physical treatment enters the culturing region and is used as culturing water for sturgeons, and in the culturing process, dissolved oxygen content in water of the culturing region is controlled at 6-10 mg/L. Compared to an existing culturing method, the sturgeon culturing method provided by the present invention is more environmental-friendly, more energy-saving and more water-saving, so that the ammonia-nitrogen content of the treated circulated water that is used as the culturing water is lower than 0.016 mg/L, the nitrous acid content is lower than 0.011 mg/L, and the hydrogen sulfide content is lower than 0.01 mg/L, and therefore the culturing water complies with the fishery water quality standard.
Description
Technical field
The present invention relates to a kind of method of sturgeon breeding, particularly, relate to the cultural method of a kind of sturgeon of high-efficiency water-saving environmental protection.
Background technology
Because sturgeon dissolved oxygen demand is high, water quality requirement is clean, sturgeon cultivation generally adopts the method such as cage culture and land flowing water culture, therefore the cost of investment of culturist is higher, and flowing water power consumption is large, output is relatively low, and the aquaculture wastewater of discharging is larger for the pollution of environment.
In recent years, government more and more payes attention to the process of aquaculture wastewater, and therefore sturgeon cultivation needs the cultural method of a kind of efficient, water saving, environmental protection badly.
Summary of the invention
The object of the invention is to overcome in prior art sturgeon cultivation method energy consumption large, not economizing on water, with serious pollution defect, the method for the sturgeon breeding of a kind of efficient, water saving and environmental protection is provided.
The present inventor finds under study for action, the sewage of cultivation area alignment is carried out ecological treatment and biophysics process successively, then the water making biophysics process obtain enters culturing area as sturgeon cultivation water, in breeding process, controlling the dissolved oxygen amount of water in culturing area is 6-10mg/L, thus can realize the goal of the invention of efficient, water saving and environmental protection.
Therefore, to achieve these goals, the invention provides a kind of method of sturgeon breeding, the method comprises: the sewage of cultivation area alignment is carried out ecological treatment and biophysics process successively, then the water making biophysics process obtain enters culturing area as sturgeon cultivation water, in breeding process, the dissolved oxygen amount controlling water in culturing area is 6-10mg/L.
The method of sturgeon breeding of the present invention, have employed the Combined Treatment mode of ecological treatment and biophysics process, thus can reduce as each pollutant load in the cycle water of breeding water, cycle water is used for breeding water, more energy-conservation, water saving and environmental protection, wherein, ecological treatment can preliminary treatment culturing area ammonia nitrogen, the material such as nitrous acid and hydrogen sulphide of sewage that emit, biophysics process except the finely ground particle substance in decontaminated water, and can remove the materials such as ammonia nitrogen in sewage, hydrogen sulphide, carbonic acid gas, nitrogen further.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the method for the sturgeon breeding of a kind of preferred embodiment of the present invention.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of method of sturgeon breeding, the method comprises: the sewage of cultivation area alignment is carried out ecological treatment and biophysics process successively, then the water making biophysics process obtain enters culturing area as sturgeon cultivation water, in breeding process, the dissolved oxygen amount controlling water in culturing area is 6-10mg/L.
In the present invention, ecological treatment can preliminary treatment culturing area ammonia nitrogen, the material such as nitrous acid and hydrogen sulphide of sewage that emit, biophysics process except the finely ground particle substance in decontaminated water, and can remove the materials such as ammonia nitrogen in sewage, hydrogen sulphide, carbonic acid gas, nitrogen further.
According to method of the present invention, wherein, as long as the sewage of cultivation area alignment is carried out ecological treatment and biophysics process successively, then the water making biophysics process obtain enters culturing area as sturgeon cultivation water, in breeding process, controlling the dissolved oxygen amount of water in culturing area is 6-10mg/L, can realize the goal of the invention of efficient, water saving and environmental protection.But, in order to reduce energy consumption and water consumption further, and more environmental protection, preferably, described ecological treatment comprises: ecological coagulation and ecological two stage treatment.
More preferably, the mode of described ecological coagulation comprises: make sewage through the growing area of deep water plant or submerged plant, the mode of described ecological two stage treatment comprises: make sewage through the growing area of floating plant.
According to method of the present invention, wherein, described deep water plant or submerged plant can be deep water plant or the submerged plant kind of this area routine, it can be such as at least one in lotus leaf, calamus and eel grass, be preferably lotus leaf, thus can further except materials such as ammonia nitrogen, nitrous acid and the hydrogen sulphide in decontaminated water.
According to method of the present invention, wherein, described floating plant can be the floating plant of this area routine, such as, can be at least one in weter hyacinth, water lily and frogbit, be preferably weter hyacinth, thus can further except materials such as ammonia nitrogen, nitrous acid and the hydrogen sulphide in decontaminated water.
In the present invention, the sewage of culturing area discharge carries out the order of ecological coagulation and ecological two stage treatment, and there is no particular limitation, first can carry out ecological coagulation, then carry out ecological two stage treatment, also first can carry out ecological two stage treatment, then carry out ecological coagulation.
According to method of the present invention, biophysics process can be the biophysics process of this area routine, but, in order to the finely ground particle substance in decontaminated water, and remove the materials such as ammonia nitrogen in sewage, hydrogen sulphide, carbonic acid gas, nitrogen further, namely more efficiently, more water saving and more environmental protection, preferably, the method of described biophysics process comprises: water ecological treatment obtained carries out Microfilter process, biofilter process and aeration basin process successively, or water ecological treatment obtained carries out Microfilter process, aeration basin process and biofilter process successively.Wherein, finely ground particle substance in water after Microfilter process can make ecological treatment removes further, biofilter process can utilize beneficial bacteria wherein to come further except noxious materials such as ammonia nitrogen, nitrous acid and the hydrogen sulphide in decontaminated water, and the gases such as the ammonia nitrogen in sewage, hydrogen sulphide, carbonic acid gas, nitrogen can expose by aeration basin process.
Wherein, carry out Microfilter process, biofilter processes and the condition of aeration basin process can be the condition of this area routine, such as, the condition of Microfilter process can comprise: power is 0.3-0.4 kilowatt, the diameter of rotary drum is 1-1.5m, biofilter process condition can comprise: flow velocity be 200-800 side/hour, aeration basin process condition can comprise: flow velocity be 200-800 side/hour.
According to method of the present invention, wherein, the mode that the water that biophysics process is obtained enters culturing area comprises: water biophysics process being obtained by forming high-order pressure reduction enters feed coefficient, culturing area is entered again from feed coefficient, namely the water after biophysics process enters culturing area by feed coefficient, the water after filtration can be made to concentrate, and the inflow in each pond is stablized.Wherein, the water that biophysics process obtains can be extracted in feed coefficient by pump.
According to method of the present invention, wherein, preferably, before and after feeding in 0.5 hour, the dissolved oxygen amount controlling water in culturing area is 9-10mg/L, and in all the other breeding process, the dissolved oxygen amount controlling water in culturing area is 6-8mg/L, thus is more conducive to the growth of sturgeon.
In the present invention, oxygenation can be carried out by using intelligent liquid oxygen plant for culturing area, thus the dissolved oxygen amount of culturing area water can be controlled.
In the present invention, supplementary fresh water source can be needed according to cultivation in sturgeon cultivation process, but, in order to more environmental protection and water saving, preferably, in 10-12 circulation, do not supplement fresh water source, the sewage produced by culturing area is used as sturgeon cultivation water through ecological treatment and biophysics process Posterior circle.
Embodiment
Embodiment 1
The present embodiment is for illustration of the method for sturgeon breeding of the present invention.
Breeding technique is as shown in Figure 1 adopted to carry out the cultivation of sturgeon, the sewage of cultivation area alignment is introduced ecological low-level culture pool (wherein planting and being implanted with deep water plant is lotus leaf) and carry out ecological coagulation, introduce ecological secondary pond (wherein plant and be implanted with floating plant weter hyacinth) again and carry out ecological two stage treatment, and then sewage is introduced in Microfilter, be 0.37kw at power, Microfilter process is carried out under basket diameter 1.5m condition, then introduce in biofilter, biofilter process is carried out under flow velocity is 200 sides/hour condition, finally sewage is introduced in aeration basin, aeration basin process is carried out under flow velocity is 300 sides/hour condition, water after the process of aeration basin is extracted into feed coefficient by pump, and (capacity is 200 sides, drop is 2m) in, again the water of feed coefficient is introduced in culturing area and be used as sturgeon cultivation water, in breeding process, by in before and after intelligent liquid oxygen plant control feeding 0.5 hour, in culturing area, the dissolved oxygen amount of water is 9mg/L, in all the other breeding process, the dissolved oxygen amount controlling water in culturing area is 6mg/L, after carrying out 10 circulations, in aeration basin, outlet gathers water sample, the content measuring ammonia nitrogen in this water sample is 0.011mg/L, the content of nitrous acid is the content of 0.01mg/L and hydrogen sulphide is 0, meet water quality standard for fishery.
Embodiment 2
The present embodiment is for illustration of the method for sturgeon breeding of the present invention.
Carry out the cultivation of sturgeon, the sewage of cultivation area alignment is introduced ecological secondary pond (wherein plant and be implanted with floating plant weter hyacinth) and carry out ecological two stage treatment, introduce ecological low-level culture pool (wherein plant and be implanted with deep water plant lotus leaf) again and carry out ecological coagulation, and then sewage is introduced in Microfilter, be 0.3kw at power, Microfilter process is carried out under basket diameter 1.5m condition, then introduce in biofilter, biofilter process is carried out under flow velocity is 300 sides/hour condition, finally sewage is introduced in aeration basin, aeration basin process is carried out under flow velocity is 200 sides/hour condition, water after the process of aeration basin is extracted into feed coefficient by pump, and (capacity is 200 sides, drop is 2m) in, again the water of feed coefficient is introduced in culturing area and be used as sturgeon cultivation water, in breeding process, by in before and after intelligent liquid oxygen plant control feeding 0.5 hour, in culturing area, the dissolved oxygen amount of water is 10mg/L, in all the other breeding process, the dissolved oxygen amount controlling water in culturing area is 7mg/L, after carrying out 10 circulations, in aeration basin, outlet gathers water sample, the content measuring ammonia nitrogen in this water sample is 0.01mg/L, the content of nitrous acid is the content of 0.01mg/L and hydrogen sulphide is 0, meet water quality standard for fishery.
Embodiment 3
The present embodiment is for illustration of the method for sturgeon breeding of the present invention.
Carry out the cultivation of sturgeon, the sewage of cultivation area alignment is introduced ecological low-level culture pool (wherein plant and be implanted with deep water plant lotus leaf) and carry out ecological coagulation, introduce ecological secondary pond (wherein plant and be implanted with floating plant weter hyacinth) again and carry out ecological two stage treatment, and then sewage is introduced in Microfilter, be 0.4kw at power, Microfilter process is carried out under basket diameter 1.5m condition, then introduce in aeration basin, aeration basin process is carried out under flow velocity is 800 sides/hour condition, finally sewage is introduced in biofilter, biofilter process is carried out under flow velocity is 800 sides/hour condition, water after the process of biofilter is extracted into feed coefficient by pump, and (capacity is 200 sides, drop is 2m) in, again the water of feed coefficient is introduced in culturing area and be used as sturgeon cultivation water, in breeding process, by in before and after intelligent liquid oxygen plant control feeding 0.5 hour, in culturing area, the dissolved oxygen amount of water is 10mg/L, in all the other breeding process, the dissolved oxygen amount controlling water in culturing area is 8mg/L, after carrying out 11 circulations, in aeration basin, outlet gathers water sample, the content measuring ammonia nitrogen in this water sample is 0.012mg/L, the content of nitrous acid is the content of 0.011mg/L and hydrogen sulphide is 0, meet water quality standard for fishery.
Embodiment 4
The present embodiment is for illustration of the method for sturgeon breeding of the present invention.
Sturgeon cultivation is carried out according to the method for embodiment 1, unlike, the sewage of cultivation area alignment is introduced ecological low-level culture pool (wherein plant and be implanted with deep water plant lotus leaf) and carry out ecological coagulation, then direct sewage after ecological coagulation is carried out biophysics process, after carrying out 10 circulations, in aeration basin, outlet gathers water sample, the content that the content measuring ammonia nitrogen in this water sample is 0.015mg/L, the content of nitrous acid is 0.01mg/L and hydrogen sulphide is 0.01mg/L, meets water quality standard for fishery.
Embodiment 5
The present embodiment is for illustration of the method for sturgeon breeding of the present invention.
Sturgeon cultivation is carried out according to the method for embodiment 1, unlike, the sewage of cultivation area alignment is directly introduced ecological secondary pond (wherein plant and be implanted with floating plant weter hyacinth) and carry out ecological two stage treatment, then the sewage after ecological two stage treatment is carried out biophysics process, after carrying out 10 circulations, in aeration basin, outlet gathers water sample, the content that the content measuring ammonia nitrogen in this water sample is 0.015mg/L, the content of nitrous acid is 0.01mg/L and hydrogen sulphide is 0, meets water quality standard for fishery.
Embodiment 6
The present embodiment is for illustration of the method for sturgeon breeding of the present invention.
Sturgeon cultivation is carried out according to the method for embodiment 1, unlike, deep water plant is eel grass, floating plant is water lily, after carrying out 10 circulations, in aeration basin, outlet gathers water sample, and the content that the content measuring ammonia nitrogen in this water sample is 0.016mg/L, the content of nitrous acid is 0.01mg/L and hydrogen sulphide is 0, meets water quality standard for fishery.
Comparative example 1
According to existing technique sturgeon breeding, concrete grammar is: miniflow water cultural method, sturgeon breeding in culturing area, the sewage of culturing area is directly discharged in environment, the content that the content measuring ammonia nitrogen in the Wastewater Sample of discharging is 0.5mg/L, the content of nitrous acid is 0.05mg/L and hydrogen sulphide is 0.05mg/L, does not meet water quality standard for fishery.
Embodiment 1-6 is compared can find out with comparative example 1, the more existing cultural method of the method more environmental protection of sturgeon breeding of the present invention, more energy-conservation and water saving, the ammonia-nitrogen content be used as after processing in the cycle water of breeding water can be made lower than 0.01mg/L, to meet water quality standard for fishery lower than 0.011mg/L and hydrogen sulfide content lower than 0.016mg/L, nitrous acid content.
Embodiment 1 compared with embodiment 4-5 and can find out, described ecological treatment comprises: ecological coagulation and ecological two stage treatment, thus can reduce energy consumption and water consumption further, and more environmental protection.
Embodiment 1 is compared can be found out with embodiment 6, and deep water plant is lotus leaf, and when floating plant is weter hyacinth, the treatment effect of cycle water is better, thus can more environmental protection, more energy-conservation and more economize on water.
The method of sturgeon breeding of the present invention, have employed the mode of ecological treatment and biophysics process associating, thus the content of each pollutant in the cycle water as breeding water can be reduced, and cycle water is used for breeding water, more energy-conservation, water saving and environmental protection, wherein, ecological treatment can preliminary treatment culturing area ammonia nitrogen, the material such as nitrous acid and hydrogen sulphide of sewage that emit, biophysics process except the finely ground particle substance in decontaminated water, and can remove the materials such as ammonia nitrogen in sewage, hydrogen sulphide, carbonic acid gas, nitrogen further.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. the method for a sturgeon breeding, it is characterized in that, the method comprises: the sewage of cultivation area alignment is carried out ecological treatment and biophysics process successively, then the water making biophysics process obtain enters culturing area as sturgeon cultivation water, in breeding process, the dissolved oxygen amount controlling water in culturing area is 6-10mg/L.
2. method according to claim 1, wherein, described ecological treatment comprises: ecological coagulation and ecological two stage treatment.
3. method according to claim 2, wherein, the mode of described ecological coagulation comprises: make sewage through the growing area of deep water plant or submerged plant, the mode of described ecological two stage treatment comprises: make sewage through the growing area of floating plant.
4. method according to claim 3, wherein, described deep water plant or submerged plant are selected from least one in lotus leaf, eel grass and calamus, and be preferably lotus leaf, described floating plant is selected from least one in weter hyacinth, water lily and frogbit, are preferably weter hyacinth.
5. method according to claim 1, wherein, the method of described biophysics process comprises: water ecological treatment obtained carries out Microfilter process, biofilter process and aeration basin process successively, or water ecological treatment obtained carries out Microfilter process, aeration basin process and biofilter process successively.
6. method according to claim 1, wherein, the mode that the water that biophysics process is obtained enters culturing area comprises: water biophysics process being obtained by forming high-order pressure reduction enters feed coefficient, then enters culturing area from feed coefficient.
7. method according to claim 1, wherein, before and after feeding in 0.5 hour, the dissolved oxygen amount controlling water in culturing area is 9-10mg/L, and in all the other breeding process, the dissolved oxygen amount controlling water in culturing area is 6-8mg/L.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105850838A (en) * | 2016-03-30 | 2016-08-17 | 苏州市相城区阳澄湖镇益丰生态养殖专业合作社 | Highly-efficient circulating water environment-friendly culture system |
CN106719158A (en) * | 2016-12-28 | 2017-05-31 | 贵州锦润水产品有限责任公司 | A kind of method for breeding of sturgeon |
CN107117687A (en) * | 2017-04-13 | 2017-09-01 | 浙江大学 | A kind of method for treating water in situ for improving Terrapin raising density |
CN107265767A (en) * | 2017-07-07 | 2017-10-20 | 温州市丰源水利水电工程有限公司 | A kind of circulation process method of bad five classes sewage |
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CN101023741A (en) * | 2007-03-22 | 2007-08-29 | 中国水产科学研究院长江水产研究所 | Pool culturing composite system with water-saving and safety function |
CN101120661A (en) * | 2007-09-13 | 2008-02-13 | 中国科学院水生生物研究所 | A device and method for ecological fish farming based on composite vertical flow artificial wetland |
CN101785399A (en) * | 2010-04-02 | 2010-07-28 | 孟翔麟 | Double-layer fish and vegetable symbiotic industrial circulating water cultivating system |
CN103181345A (en) * | 2012-09-25 | 2013-07-03 | 杭州千岛湖鲟龙科技股份有限公司 | Liquid-oxygen oxygen-increasing high-density sturgeon culturing method |
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Patent Citations (4)
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CN101023741A (en) * | 2007-03-22 | 2007-08-29 | 中国水产科学研究院长江水产研究所 | Pool culturing composite system with water-saving and safety function |
CN101120661A (en) * | 2007-09-13 | 2008-02-13 | 中国科学院水生生物研究所 | A device and method for ecological fish farming based on composite vertical flow artificial wetland |
CN101785399A (en) * | 2010-04-02 | 2010-07-28 | 孟翔麟 | Double-layer fish and vegetable symbiotic industrial circulating water cultivating system |
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CN105850838A (en) * | 2016-03-30 | 2016-08-17 | 苏州市相城区阳澄湖镇益丰生态养殖专业合作社 | Highly-efficient circulating water environment-friendly culture system |
CN106719158A (en) * | 2016-12-28 | 2017-05-31 | 贵州锦润水产品有限责任公司 | A kind of method for breeding of sturgeon |
CN107117687A (en) * | 2017-04-13 | 2017-09-01 | 浙江大学 | A kind of method for treating water in situ for improving Terrapin raising density |
CN107265767A (en) * | 2017-07-07 | 2017-10-20 | 温州市丰源水利水电工程有限公司 | A kind of circulation process method of bad five classes sewage |
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