CN108244019A - A kind of diatom-prawn complex culture system and technique - Google Patents
A kind of diatom-prawn complex culture system and technique Download PDFInfo
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- CN108244019A CN108244019A CN201711470004.6A CN201711470004A CN108244019A CN 108244019 A CN108244019 A CN 108244019A CN 201711470004 A CN201711470004 A CN 201711470004A CN 108244019 A CN108244019 A CN 108244019A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 241000238557 Decapoda Species 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000295 fuel oil Substances 0.000 claims abstract description 14
- 239000013589 supplement Substances 0.000 claims abstract description 14
- 238000009395 breeding Methods 0.000 claims abstract description 13
- 230000001488 breeding effect Effects 0.000 claims abstract description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 13
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 13
- 239000013535 sea water Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000009360 aquaculture Methods 0.000 claims abstract description 9
- 244000144974 aquaculture Species 0.000 claims abstract description 9
- 235000015097 nutrients Nutrition 0.000 claims abstract description 6
- 241000195493 Cryptophyta Species 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 6
- 230000000050 nutritive effect Effects 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 241000238553 Litopenaeus vannamei Species 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 229940056319 ferrosoferric oxide Drugs 0.000 claims description 3
- 235000013305 food Nutrition 0.000 claims description 3
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 3
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 3
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 3
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
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- 229960004424 carbon dioxide Drugs 0.000 description 11
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 201000010099 disease Diseases 0.000 description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 6
- 230000012010 growth Effects 0.000 description 6
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- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 241000206761 Bacillariophyta Species 0.000 description 2
- 241000192700 Cyanobacteria Species 0.000 description 2
- 241000607598 Vibrio Species 0.000 description 2
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- 241000192542 Anabaena Species 0.000 description 1
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- 208000018522 Gastrointestinal disease Diseases 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
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- 241000192497 Oscillatoria Species 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005791 algae growth Effects 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003559 chemosterilizing effect Effects 0.000 description 1
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- 208000010643 digestive system disease Diseases 0.000 description 1
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- 208000018685 gastrointestinal system disease Diseases 0.000 description 1
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- 150000002632 lipids Chemical class 0.000 description 1
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Classifications
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
-
- 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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- 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
-
- 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
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/12—Bioreactors or fermenters specially adapted for specific uses for producing fuels or solvents
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/26—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pH
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/12—Unicellular algae; Culture media therefor
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- 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
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- Y02A40/81—Aquaculture, e.g. of fish
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- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
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Abstract
The present invention relates to a kind of diatom prawn complex culture system and techniques, belong to prawn culturing technical field.Diatom culture bucket discharges the diatom water of diatom culture 70 80% volume of bucket daily, a portion is discharged into shrimp culture pond, another part is emitted into diatom bio-fuel-oil production system, after discharge the seawater containing diatom nutrient solution is supplemented into diatom culture bucket again, monitor the pH value in diatom breeding barrel water body in real time by sensor, when pH value is more than 9, control instrument starts solenoid valve supplement carbon dioxide automatically, pH value drops to 7, control instrument Self-shut electromagnetic valve.The present invention improves prawn culturing survival rate and yield, and survival rate is up to more than 90%, and yield is up to 5kg/m3, considerable benefit；The production cost of open diatom culture systems is only the 60% of sealed culture systems, and the income of prawn culturing can also further offset diatom aquaculture cost.
Description
Technical field
The present invention relates to a kind of diatom-prawn complex culture system and techniques, belong to prawn culturing technical field.
Background technology
Phytoplankton is referred to as microalgae, and microalgae occupies critical positions in shrimp ecosystem, it, which has, maintains water ecology
Balance and the function of stablizing breeding environment.There is the antagonism relationships, algae between algae and bacterium can generate and inhibit bacteria growth
Antibiotic agents, frustule discharge many metabolites constantly around in growth course and are consequently formed with unique knot
The algae border bacterial community of structure and function.Diatom is the important component of shrimp ecosystem microalgae, can be as prawn seed
Natural living bait, the microalgae group using diatom as dominant population can not only absorb the harmful substances such as water body nitrogen phosphorus, can also inhibit
Vibrios grows, and maintains prawn healthy development.
Water body using diatom as sociales effectively can form industry common recognition by prevention and control shrimp disease, however entirely cultivate
Keep diatom extremely difficult for sociales in the process.
Existing microdisk electrode mode mainly has sealed and two kinds open, and sealed microdisk electrode refers to using not similar shape
The sealed bioreactor of formula structure usually requires that carry out strict sterilization, it is desirable that environmental condition stablize, large-scale culture into
This is very high.Open microdisk electrode refer to using opening mode structure container carry out microdisk electrode, culture water body be not required to through
Strict sterilization is crossed, low investment is relatively low to environmental requirement, suitable for large-scale culture.But due to open microdisk electrode ring
Border is easier to be influenced by miscellaneous bacteria, and the process is more complicated for both culturing microalgae, using unreasonable breeding technique, cultivation can be caused to lose
It loses or target algae is converted into other type microalgaes.
Although the factory culturing using the algae of sealed cultivation is the ripe prior art, batch production closing cultivation energy
Enough ensure the high-purity of algae species, still, the cost that this algae is cultivated is very high, it is difficult to be applied on prawn culturing.
And open diatom cultivation, in cultivation early stage, diatom due to have nutrient competition advantage can rapidly become it is excellent
Gesture kind, but as the progress of breeding process, sociales are gradually converted from diatom to green alga, cyanobacteria, some of microalgaes can be secreted
Toxin, such as the dinoflagellate type of red tide class, the microcystis kutz of blue algae, Anabaena, Oscillatoria type, and these microalgaes are general
Lacking protein, the nutriments such as amino acid or volume is big, nutritive value is low, it is difficult to digestion easily causes prawn gastrointestinal disease,
Harm may be brought in high density shrimp culture environment to the healthy growth of prawn.The variation of prawn culturing process algae and water
Rule is also such.
On the other hand, diatom is compared with terrestrial crop, with biomass is big, growth cycle is short, lipid content is high, is not take up
The features such as arable land, the fat content of diatom can reach 90% under given conditions, it has also become produce the first choice of bio-fuel-oil.Cause
This, prawn culturing is combined with diatom large-scale cultivation, researches and develops prawn-diatom complex cultivating system and technique, is raising pair
The important channel of shrimp aquaculture success rate and diatom breeding income.
Therefore, the superiority of diatom how is kept during entire prawn culturing so that diatom cultivates and prawn is supported
It grows and be combined with each other, form a set of compound system, become current urgent problem to be solved.
Invention content
The purpose of the present invention is：A kind of diatom-prawn complex culture system and technique are provided, diatom bio-fuel-oil is produced
Combine with prawn culturing, it is ensured that the superiority of diatom is kept during entire cultured prawn, effective prevention and control are to prawn disease
Evil, while the production of diatom bio-fuel-oil can be carried out, and ensure that cost is controllable.
The present invention takes following technical scheme：
A kind of diatom-prawn complex culture system, including one group of fixed setting by shrimp culture pond 1,1 side of shrimp culture pond
Diatom culture systems；The diatom culture systems include the gas exhaust piping of open diatom culture bucket 2, carbon dioxide steel cylinder 4
It stretches into diatom culture bucket 2, pH sensor 5 is stretched into diatom culture bucket 2, and is connect with control instrument 6, and control instrument 6 is also
It is connect with the solenoid valve 7 on the gas exhaust piping；2 bottom of diatom breeding barrel is equipped with algae solution leakage fluid dram, and algae solution leakage fluid dram leads to
Three-way connector is crossed to connect with shrimp culture pond 1 and diatom bio-fuel-oil production system respectively；The diatom culture bucket 2 and threeway
Control valve 3 is equipped between connector.
Further, the connecting line between the three-way connector and shrimp culture pond 1 and three-way connector and diatom
On connecting line between bio-fuel-oil production system, it is equipped with volume control device.
Further, the volume control device is electronic flowmeter and solenoid valve.
Further, aerating system is further included, the aquaculture pond is multiple for side by side, and the aerating system includes wind turbine,
The wind turbine is each provided with blow-off pipe by the aeration branch pipe that is aerated manifold with connects each aquaculture pond, each aquaculture pond.
A kind of diatom-prawn complex culture technique, discharge diatom cultivates bucket 70-80% volumes to diatom culture bucket 2 daily
Diatom water, a portion are discharged into shrimp culture pond 1, and another part is emitted into diatom bio-fuel-oil production system, discharge
The seawater containing diatom nutrient solution is supplemented into diatom culture bucket again afterwards, monitors 2 water body of diatom breeding barrel in real time by sensor
In pH value, when pH value is more than 9, control instrument 6 starts solenoid valve 7 and supplements carbon dioxide automatically, and pH value drops to 7, controller
6 Self-shut electromagnetic valve 7 of table.
Further, usable floor area 21m2Rectangle cement pit cultured prawn, pond depth 90cm uses 1.5kW's
The daily 24 hours aeration oxygen replenishings of roots blower；Before system launches shrimp seedling, in 1m3Diatom culture bucket 2 in add in through sand filter sterilize
Seawater later adds in nutritive salt, specific formula 1m3Seawater adds in urea 26.5g, potassium dihydrogen phosphate 5g, sodium metasilicate
30g, ferroso-ferric oxide 2g treat frustule density proliferation to 1 × 105After ind/ml, daily discharge diatom culture bucket 70~
Then 80% diatom water adds in nutritive salt in algae bucket by aforementioned formula, a part of diatom water of discharge changes for shrimp-cultivation pool
Water, rest part produce bio-fuel-oil for extracting.
Further, when launching shrimp seedling, fresh and alive diatom a concentration of 1 × 10 will be contained first5The diatom culture solution of ind/ml
It is extracted into shrimp culture pond, is diluted to water level 70cm using the seawater after husky filter disinfection, litopenaeus vannamei shrimp is put in a suitable place to breed per pond
15000 tail of seedling exhausts the cultivation water of 10cm daily later, recycles diatom water supplement full, cultivation whole process feeds litopenaeus vannamei
Artifical compound feed is fed according to water temperature and prawn food situation.
The beneficial effects of the present invention are：
1) the discharge water of open diatom culture systems is added to prawn according to a certain percentage as exogenous microalgae to support
It grows in pond, the advantage algae that diatom can be kept to be shrimp ponds in entire breeding process can effectively prevent diatom to green alga, indigo plant
The conversion or death of algae, and algae is maintained mutually to stablize, and then prevention and control shrimp disease, improve prawn culturing survival rate and yield.
2) vibrios is inhibited to grow by diatom substitute antibiotics drug and chemosterilant, prevention and control shrimp disease, green life
State.
3) prawn culturing survival rate and yield are improved, survival rate is up to more than 90%, and yield is up to 5kg/m3, benefit can
It sees.
4) cultivation is whole keeps diatom algae mutually to stablize, and improves breeding water body dissolved oxygen, keeps shrimp ponds pH stable.
5) relative to the diatom using closed cultivation, the application cost is greatly reduced, and diatom is made to apply in prawn diseases prevention
Evil cultivation realizes industrialization, has significant economic benefit.
6) production cost of open diatom culture systems is only the 60% of sealed culture systems, the income of prawn culturing
Diatom aquaculture cost can also further be offset.
Description of the drawings
Fig. 1 is the structure diagram that diatom-prawn of the present invention meets cultivating system.
In figure, 1. shrimp culture ponds, 2. diatoms culture bucket, 3. control valves, 4. carbon dioxide steel cylinders, 5.pH value sensors,
6. control instrument, 7. solenoid valves.
Specific embodiment
The present invention is further described in the following with reference to the drawings and specific embodiments.
Usable floor area 21m2Rectangle cement pit cultured prawn, pond depth 90cm, the roots blower using a 1.5kW is every
Its 24 hours aeration oxygen replenishings.
Before system launches shrimp seedling, in 1m3Diatom culture bucket in add in the seawater after husky filter disinfection, add in nutrition
Salt, specific formula 1m3Seawater adds in urea 26.5g, potassium dihydrogen phosphate 5g, sodium metasilicate 30g, and ferroso-ferric oxide 2g treats silicon
Algae cell density is proliferated to 1 × 105After ind/ml, the diatom water of diatom culture bucket 70~80% is discharged daily, then in algae
Nutritive salt is added in by aforementioned formula in bucket, a part of diatom water of discharge changes water for shrimp-cultivation pool, and rest part is used to extract life
Generation fuel oil.Using pH value 7~9 in carbon dioxide supplement system control algae bucket.The daily of more than diatom culture bucket changes water
Amount and carbon dioxide supplement are that open diatom culture is successfully crucial, if diatom cultivates bucket, daily quantity of exchanged water is less than
70%, the diatom in water body will be gradated as green alga or other type microalgaes, if diatom culture bucket it is daily quantity of exchanged water it is high
In 80%, system can cause diatom density refractory to reduce system productivity with fast quick-recovery due to lacking enough algaes.The opposing party
Face, the proliferation of diatom consume a large amount of inorganic carbon, the pH value of water body are caused to rise, therefore, continuous in diatom breeding process
It supplements inorganic carbon source and reduces the pH value of water body.Sodium bicarbonate and carbon dioxide are industrial common inorganic carbon sources, this system
By many experiments, it is found that while that sodium bicarbonate can supplement the inorganic carbon of micro algae growth consumption, but due to sodium bicarbonate solution
Itself it is in alkalinity, it is limited to the ability of regulation and control of pH value, diatom density will be caused to continuously decrease using sodium bicarbonate as inorganic carbon source,
It is final all dead.And be added to using carbon dioxide as inorganic carbon in water body, water pH value can be quickly reduced, therefore, two
Carbonoxide supplement is that open diatom cultivates one of successful committed step.
In the present embodiment, in open diatom incubation, to keep the flora advantage of diatom, silicon must be discharged daily
Algae cultivates the diatom water of about 80% volume of bucket, is supplemented the seawater containing diatom nutrient solution, can effectively prevent diatom in system
Aging, the exponential growth of diatom is kept to be proliferated.The rapid growth of diatom can consume great amount of carbon dioxide, lead to the pH value of water body
Raising, pH value are increased to 9, will lead to the death of diatom.Therefore, this system is provided with carbon dioxide supplement system, passes through sensing
Device monitors the pH value in water body in real time, and pH value is more than that the 9 automatic solenoid valves that start supplement carbon dioxide, and pH value drops to 7, automatic to close
Close solenoid valve.
Diatom culture systems launch shrimp seedling after stablizing, and will contain fresh and alive diatom a concentration of 1 × 10 first5The diatom training of ind/ml
Nutrient solution is extracted into shrimp culture pond, is diluted to water level 70cm using the seawater after husky filter disinfection, vannamei boone pair is put in a suitable place to breed per pond
15000 tail of shrimp shrimp seedling exhausts the cultivation water of 10cm daily later, recycles diatom water supplement full, cultivation whole process feeds vannamei boone
Prawn artifical compound feed is fed according to water temperature and prawn food situation.
The present invention adds the part discharge water of open diatom culture systems as exogenous microalgae according to a certain percentage
It is added in shrimp culture pond, the advantage algae that diatom can be kept to be shrimp ponds in entire breeding process can effectively prevent silicon
Conversion or death of the algae to green alga, cyanobacteria, and algae is maintained mutually to stablize, and then prevention and control shrimp disease, improve prawn culturing survival rate
And yield.The diatom water of rest part produces bio-fuel-oil for extracting.
It is the preferred embodiment of the present invention above, those of ordinary skill in the art can also carry out various changes on this basis
It changes or improves, under the premise of the total design of the present invention is not departed from, these transformation or improve should all belong to that the present invention claims guarantors
Within the scope of shield.
Claims (7)
1. a kind of diatom-prawn complex culture system, it is characterised in that：
Including one group of diatom culture systems of fixed setting by shrimp culture pond (1), shrimp culture pond (1) side；
The diatom culture systems include open diatom culture bucket (2), the gas exhaust piping of carbon dioxide steel cylinder (4) stretches into silicon
In algae culture bucket (2), pH sensor (5) is stretched into diatom culture bucket (2), and is connect with control instrument (6), control instrument
(6) it is also connect with the solenoid valve (7) on the gas exhaust piping；Diatom breeding barrel (2) bottom is equipped with algae solution leakage fluid dram, algae solution
Leakage fluid dram is connected by three-way connector with shrimp culture pond (1) and diatom bio-fuel-oil production system respectively；The diatom training
It supports bucket (2) and control valve (3) is equipped between three-way connector.
2. diatom as described in claim 1-prawn complex culture system, it is characterised in that：The three-way connector and prawn
On the connecting line between connecting line and three-way connector and diatom bio-fuel-oil production system between aquaculture pond (1),
Equipped with volume control device.
3. diatom as claimed in claim 2-prawn complex culture system, it is characterised in that：The volume control device is electricity
Subflow gauge and solenoid valve.
4. diatom as described in claim 1-prawn complex culture system, it is characterised in that：Aerating system is further included, it is described to support
It is multiple for side by side to grow pond, the aerating system includes wind turbine, and the wind turbine is by being aerated manifold and connecting each aquaculture pond
Aeration branch pipe, each aquaculture pond are each provided with blow-off pipe.
5. a kind of diatom-prawn complex culture technique, it is characterised in that：It is supported using diatom-prawn described in claim 1 is compound
System is grown, diatom culture bucket (2) discharges the diatom water of diatom culture bucket 70-80% volumes daily, and a portion is discharged into
Shrimp culture pond (1), another part are emitted into diatom bio-fuel-oil production system, supplement and contain into diatom culture bucket again after discharge
There is the seawater of diatom nutrient solution, monitor the pH value in diatom breeding barrel (2) water body in real time by sensor, when pH value is more than 9, control
Instrument (6) processed starts solenoid valve (7) supplement carbon dioxide automatically, and pH value drops to 7, control instrument (6) Self-shut electromagnetic valve
(7)。
6. diatom as claimed in claim 5-prawn complex culture technique, it is characterised in that：
Usable floor area 21m2Rectangle cement pit cultured prawn, pond depth 90cm uses the roots blower of a 1.5kW daily 24
Hour aeration oxygen replenishing；
Before system launches shrimp seedling, in 1m3Diatom culture bucket (2) in add in the seawater after husky filter disinfection, add in nutritive salt,
Specific formula is 1m3Seawater adds in urea 26.5g, potassium dihydrogen phosphate 5g, sodium metasilicate 30g, and ferroso-ferric oxide 2g treats that diatom is thin
Born of the same parents' density is proliferated to 1 × 105After ind/ml, the diatom water of diatom culture bucket 70~80% is discharged daily, then in algae bucket
Nutritive salt is added in by aforementioned formula, a part of diatom water of discharge changes water for shrimp-cultivation pool, and rest part is given birth to for extracting production
Object fuel oil.
7. diatom as claimed in claim 6-prawn complex culture technique, it is characterised in that：When launching shrimp seedling, it will contain first fresh
Live diatom a concentration of 1 × 105The diatom culture solution of ind/ml is extracted into shrimp culture pond, utilizes the seawater after husky filter disinfection
Water level 70cm is diluted to, 15000 tail of litopenaeus vannamei shrimp seedling is put in a suitable place to breed per pond, exhausts the cultivation water of 10cm daily later, recycle
Diatom water supplement is full, and cultivation whole process feeds litopenaeus vannamei artifical compound feed, is fed according to water temperature and prawn food situation.
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| WO2022233588A1 (en) * | 2021-05-06 | 2022-11-10 | Signify Holding B.V. | Co-habitation of aquatic species and algae |
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| CN102559505A (en) * | 2012-01-19 | 2012-07-11 | 中国科学院过程工程研究所 | Microalgae cultivation method and device for controlling nutritive salt replenishment on basis of pH feedback |
| CN104372044A (en) * | 2014-11-14 | 2015-02-25 | 天津大学 | Method for preparing biofuel, biogas and fertilizer for vehicles by all-component utilization of microalgae |
| CN104396838A (en) * | 2014-12-13 | 2015-03-11 | 中国水产科学研究院黄海水产研究所 | Shrimp aquaculture method using bacteria-algae for balance |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559505A (en) * | 2012-01-19 | 2012-07-11 | 中国科学院过程工程研究所 | Microalgae cultivation method and device for controlling nutritive salt replenishment on basis of pH feedback |
| CN104372044A (en) * | 2014-11-14 | 2015-02-25 | 天津大学 | Method for preparing biofuel, biogas and fertilizer for vehicles by all-component utilization of microalgae |
| CN104396838A (en) * | 2014-12-13 | 2015-03-11 | 中国水产科学研究院黄海水产研究所 | Shrimp aquaculture method using bacteria-algae for balance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022233588A1 (en) * | 2021-05-06 | 2022-11-10 | Signify Holding B.V. | Co-habitation of aquatic species and algae |
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