CN115417561B - Aquaculture tail water treatment system - Google Patents
Aquaculture tail water treatment system Download PDFInfo
- Publication number
- CN115417561B CN115417561B CN202211083233.3A CN202211083233A CN115417561B CN 115417561 B CN115417561 B CN 115417561B CN 202211083233 A CN202211083233 A CN 202211083233A CN 115417561 B CN115417561 B CN 115417561B
- Authority
- CN
- China
- Prior art keywords
- tank
- floating island
- sedimentation tank
- tail water
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 238000009360 aquaculture Methods 0.000 title claims abstract description 36
- 244000144974 aquaculture Species 0.000 title claims abstract description 36
- 238000004062 sedimentation Methods 0.000 claims abstract description 91
- 241001465754 Metazoa Species 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000012258 culturing Methods 0.000 claims abstract description 4
- 241000251468 Actinopterygii Species 0.000 claims description 39
- 230000003647 oxidation Effects 0.000 claims description 22
- 238000007254 oxidation reaction Methods 0.000 claims description 22
- 238000004659 sterilization and disinfection Methods 0.000 claims description 18
- 239000010865 sewage Substances 0.000 claims description 17
- 230000009182 swimming Effects 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 239000010813 municipal solid waste Substances 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 description 21
- 239000002689 soil Substances 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 6
- 239000003403 water pollutant Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The application relates to the technical field of aquaculture tail water treatment, in particular to an aquaculture tail water treatment system which comprises a water flowing tank, a sedimentation tank, an artificial wetland, an artificial floating island and an external pond. The water flowing groove is used for culturing the aquatic products; the sedimentation tank is communicated with the water flowing tank and is used for storing and filtering tail water generated in the water flowing tank; the constructed wetland is communicated with the sedimentation tank and is used for absorbing and purifying tail water which is subjected to sedimentation and filtration in the sedimentation tank; the artificial floating island is arranged in the artificial wetland and used for providing a growth space for aquatic animals and plants, and can move in the artificial wetland; the outer pond is respectively communicated with the water flowing groove and the constructed wetland, and is used for storing tail water purified by the constructed wetland, and the tail water stored in the outer pond can flow back into the water flowing groove. The application has the effect of improving the purification degree of tail water.
Description
Technical Field
The application relates to the technical field of aquaculture tail water treatment, in particular to an aquaculture tail water treatment system.
Background
At present, in the aquaculture process, a large amount of poisonous and harmful organic matters such as residual baits, excreta, biological carcasses and the like and poisonous and harmful inorganic matters such as ammonia nitrogen, hydrogen sulfide, nitrous acid and the like can be accumulated in the pond. Therefore, the cultivation water level can cause eutrophication of the water area around the cultivation area, and is one of the main treatment objects of agricultural non-point source pollution. The pond needs to discharge the culture tail water periodically in the culture process so as to ensure the normal growth of the aquatic products. But the cultivation tail water is directly discharged into the external river, which can have negative influence on the environment of the natural water area.
Therefore, most of the aquaculture tail water is treated by the aquaculture tail water treatment system, and then the treated tail water meeting the aquaculture standard is discharged. The general aquaculture tail water treatment system mainly comprises a sedimentation tank, an aeration tank and an artificial wetland. Various aquatic plants are planted in the constructed wetland generally so as to remove water pollutants to the greatest extent and increase dissolved oxygen in the water.
For the related art in the above: the water pollutants which can be absorbed and purified by different aquatic plants in the artificial wetland are different, and the pollutants existing in the water bodies at different positions in the artificial wetland in different periods are not completely the same, so that the efficiency and the degree of the absorption and purification of the water pollutants at different positions in the artificial wetland are different. Therefore, there is a problem in that the tail water is not completely purified.
Disclosure of Invention
In order to improve the purification degree of tail water, the application provides an aquaculture tail water treatment system.
The application provides an aquaculture tail water treatment system which adopts the following technical scheme:
An aquaculture tail water treatment system comprising:
A water flowing tank for culturing aquatic products;
The sedimentation tank is communicated with the water flowing groove and is used for storing and filtering tail water generated in the water flowing groove;
The constructed wetland is communicated with the sedimentation tank and is used for absorbing and purifying tail water in the sedimentation tank after sedimentation and filtration;
The artificial floating island is arranged in the artificial wetland and used for providing a growth space for aquatic animals and plants, and the artificial floating island can move in the artificial wetland;
The outer pond is respectively communicated with the water flowing groove and the constructed wetland, the outer pond is used for storing tail water purified by the constructed wetland, and the tail water stored in the outer pond can flow back into the water flowing groove.
Through adopting above-mentioned technical scheme, after the tailwater that produces in the launder is handled through the sedimentation tank, in the constructed wetland is discharged, again by the aquatic animal and plant in the constructed wetland to the tailwater absorption purification after to the tailwater after accomplishing with purifying discharges into outer pond, in the last pond backward flow launder outward, thereby realize carrying out cyclic utilization's purpose to the tailwater. Aquatic animals and plants grow on the artificial floating island, so that the artificial floating island can drive the aquatic animals and plants on the artificial floating island to move in the artificial wetland, and therefore water pollutants in the artificial wetland are purified by placing the artificial floating island at different positions in the artificial wetland, and further the purification degree of tail water is improved.
Optionally, the water flow channel with the intercommunication has the dirt absorbing tank between the sedimentation tank, the cell wall top of dirt absorbing tank slides and is provided with the supporting bridge, the supporting bridge with the junction of dirt absorbing tank is provided with and is used for driving the supporting bridge is in gliding drive arrangement on the cell wall of dirt absorbing tank, be provided with the dirt absorbing pump on the supporting bridge, the dirt absorbing pump be used for with the tail water after dirt absorbing tank bottom subsides is extracted in the sedimentation tank, the top of dirt absorbing tank with constructed wetland intercommunication, the sedimentation tank includes first sedimentation tank, second sedimentation tank, first sedimentation tank respectively with dirt absorbing tank with second sedimentation tank intercommunication, the second sedimentation tank with constructed wetland intercommunication.
Through adopting above-mentioned technical scheme, after the tail water in the launder gets into the dirt absorption groove, after precipitating in the dirt absorption groove, directly switch on the comparatively clear tail water at dirt absorption groove top in the constructed wetland to in the tail water after precipitating dirt absorption groove bottom is extracted first sedimentation tank by the dirt absorption pump, through secondary filtering in first sedimentation tank, through tertiary filtration in the second sedimentation tank, thereby be convenient for reduce the quantity of the insoluble pollutant that the tail water in the constructed wetland carried of discharging into in the maximum, and then be favorable to improving the transparency of water, improved water quality to a certain extent.
Optionally, a solid-liquid separator is arranged between the first sedimentation tank and the second sedimentation tank.
Through adopting above-mentioned technical scheme, the mud that precipitates in first sedimentation tank and the second sedimentation tank can be taken out to the solid-liquid separation to the mud that takes out, the solid mud that separates can be as fertilizer, and in liquid then flows back into first sedimentation tank or second sedimentation tank, thereby is convenient for handle the mud in first sedimentation tank and the second sedimentation tank, and then is favorable to reducing the mud volume that stores up in first sedimentation tank and the second sedimentation tank.
Optionally, an adjusting tank is arranged between the first sedimentation tank and the second sedimentation tank, a biological oxidation tank is arranged between the adjusting tank and the second sedimentation tank, a filler is arranged in the biological oxidation tank, an aerator is arranged in the biological oxidation tank, and a disinfection tank is arranged between the second sedimentation tank and the constructed wetland.
By adopting the technical scheme, the regulating tank is used for regulating the fluctuation of water quality and maintaining the relative uniformity and stability of the water quality of the inlet water; purifying tail water in the biological oxidation pond by adopting a biological contact oxidation method; the disinfection pond is used for disinfecting the tail water after being treated in the second sedimentation tank, so that the tail water discharged into the constructed wetland is sufficiently purified through the mutual cooperation of the regulating tank, the biological oxidation tank and the disinfection pond, and the possibility of damage to ecology in the constructed wetland caused by the fact that pollutants carried in the tail water exceed the purifying capacity of the constructed wetland is reduced.
Optionally, the artificial floating island comprises a floating island main body, a planting layer is arranged at the top of the floating island main body, aquatic plants are planted on the planting layer, a planting groove is formed in the floating island main body in a penetrating mode, a root leakage net is arranged in the planting groove, and roots of the aquatic plants can penetrate through the root leakage net to enter the constructed wetland.
Through adopting above-mentioned technical scheme, the root of the aquatic plant planted on planting layer can pass and leak the root net and get into the constructed wetland in for the aquatic plant can directly follow the constructed wetland in absorption nutrition and moisture, thereby is convenient for utilize the artificial floating island to drive the aquatic plant to the different positions in the constructed wetland, makes the aquatic plant can absorb the water pollutant of different positions in the constructed wetland, and then is favorable to improving the purification degree of tail water of discharging into the constructed wetland.
Optionally, the holding tank has been seted up in the chinampa main part, the holding tank with plant the groove intercommunication, the holding tank runs through the lateral wall of chinampa main part, sliding connection has the floating plate in the holding tank, the floating plate can slide to outside the chinampa main part.
Through adopting above-mentioned technical scheme, when needing to remove the chinampa main part, earlier with the floating plate from the holding tank in slide outside the chinampa main part, the floating plate contacts with the water in the constructed wetland, is favorable to increasing the chinampa main part and receives buoyancy to the purpose of being convenient for remove the chinampa main part has been reached.
Optionally, the bottom of floating island main part is detachably connected with the breed box with a net, be provided with the net chamber door on the lateral wall of breed box with a net, the breed box with a net can be used for breeding fish.
By adopting the technical scheme, the fish is cultivated by utilizing the cultivation net cage, and the fish can play a certain role in purifying the water body in the constructed wetland, so that the capability of purifying the water body of the floating island main body is further improved.
Optionally, the floating island main body is provided with a plurality of, a plurality of be provided with the connecting bridge between the floating island main body, a plurality of still be provided with the case of viewing and admiring between the floating island main body, the intercommunication has the fish loose tube on the aquaculture net case, the fish loose tube keep away from the one end of aquaculture net case with the case intercommunication of viewing and admiring.
Through adopting above-mentioned technical scheme, a plurality of chinampa main parts mutually support, can play better purifying action to the water in the constructed wetland of coplanar position. The fish in the culture net cage can enter the ornamental box through the fish pipe, so that tourists can appreciate conveniently, and the ornamental value of the constructed wetland is improved on the premise that the purification capacity of the constructed wetland is not affected, and the economic benefit of the constructed wetland is improved.
Optionally, the one end that the fish swimming tube is close to the aquaculture net case is provided with the on-off valve, the intercommunication has the feeding tube on the aquaculture net case, the feeding tube with the chinampa main part is connected, the feeding tube is kept away from the one end of aquaculture net case extends to the top of chinampa main part.
Through adopting above-mentioned technical scheme, when the water pollution of a certain position in the constructed wetland comparatively serious, remove the chinampa main part to the serious position of pollution earlier, open all on-off valves to add bait to the feeding pipe in, the bait falls into the fish attraction concentration in other raising net cages, closes all on-off valves at last, makes the fish be difficult for leaving from the raising net cage, thereby strengthens the purification efficiency in a certain region of chinampa main part to a certain extent. After the quality of water body with serious pollution in the constructed wetland is purified to a normal level by the floating island main body, the on-off valve is opened again, so that fishes can swim back to other culture net cages through the fish swimming pipe, and further, a large amount of fishes in a single volume can be conveniently reduced to be gathered at one place for a long time, the oxygen content in the water body is too low, and the possibility of fish death is caused.
Optionally, the floating island main body and the outside of aquaculture net case all are provided with snatch the hook, snatch the hook and be used for snatching the rubbish in the constructed wetland.
Through adopting above-mentioned technical scheme, snatch the hook and can snatch the rubbish that floats near the chinampa main part in the constructed wetland to make the rubbish in the constructed wetland can gather in the side of chinampa main part, and then be convenient for clear up the rubbish in the constructed wetland.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The arrangement of the artificial floating island ensures that aquatic animals and plants growing on the artificial floating island can move in the artificial wetland along with the artificial floating island, thereby being convenient for purifying water pollutants at different positions in the artificial wetland and further being beneficial to improving the purification degree of tail water;
2. the sewage suction tank, the sedimentation tank, the regulating tank, the biological oxidation tank and the disinfection tank are matched with each other, so that the tail water discharged from the water flow tank is sufficiently purified before entering the constructed wetland, and further the possibility of damage to ecology in the constructed wetland caused by the fact that pollutants carried in the tail water exceed the purifying capacity of the constructed wetland is reduced;
3. through mutually supporting of ornamental box, fish swimming pipe, aquaculture net case, under the prerequisite of guaranteeing constructed wetland's purifying capacity, be favorable to improving constructed wetland's ornamental value to be favorable to improving constructed wetland's economic benefits.
Drawings
FIG. 1 is an overall flow diagram of an aquaculture tail water treatment system according to an embodiment of the present application.
Fig. 2 is a schematic diagram of the overall structure of an artificial floating island according to an embodiment of the present application.
Fig. 3 is a cross-sectional view taken along the direction A-A in fig. 2.
Fig. 4 is a schematic diagram of the overall structure of a floating island module according to an embodiment of the present application.
Reference numerals illustrate:
1. A water flow channel; 11. a water pushing pump; 2. a sedimentation tank; 21. a first sedimentation tank; 22. a second sedimentation tank; 221. a sludge return line; 23. a solid-liquid separator; 231. a sludge concentration tank; 232. a plate and frame filter press; 3. an artificial wetland; 4. an artificial floating island; 41. a floating island body; 411. planting a layer; 412. a planting groove; 4121. root leaking net; 413. a receiving groove; 414. a floating plate; 4141. a handle; 415. a connecting bridge; 416. an ornamental box; 417. a grabbing hook; 418. a plug-in groove; 419. a fastening rod; 42. a cultivation net cage; 421. a net box door; 422. a fish swimming pipe; 423. an on-off valve; 424. a feeding pipe; 425. a plug board; 5. an outer pond; 6. a dirt suction groove; 61. a support bridge; 62. a driving device; 63. a soil pick-up pump; 631. a soil pick-up pipe, 632, and a drain pipe; 7. an adjusting tank; 8. a biological oxidation tank; 81. a filler; 82. an aerator; 9. a disinfection tank.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses an aquaculture tail water treatment system.
Referring to fig. 1, the aquaculture tail water treatment system comprises a flume 1, a sedimentation tank 2, an artificial wetland 3, an artificial floating island 4 and an external pond 5. The launder 1, the sedimentation tank 2, the constructed wetland 3 and the outer pond 5 are sequentially communicated, and the outer pond 5 is communicated with the launder 1, so that tail water generated in the launder 1 can be purified, and the purified tail water can be recycled. The artificial floating island 4 is movably arranged in the artificial wetland 3, and the artificial floating island 4 is provided with a space for growing animals and plants. The external pond 5 is used for storing tail water purified by the constructed wetland 3.
Referring to fig. 1, a plurality of water pushing pumps 11 are provided on one side of the water flow channel 1 communicating with the external pond 5, and the plurality of water pushing pumps 11 are uniformly distributed on the same side of the water flow channel 1. The water body after purification in the outer pond 5 can be pumped into the launder 1 by the water pushing pump 11, so that the water body in the launder 1 flows to one side far away from the water pushing pump 11, and meanwhile, the water body drives pollutants to move.
Referring to fig. 1, a dirt sucking tank 6 is communicated between a water flowing tank 1 and a sedimentation tank 2, a supporting bridge 61 is slidably mounted at the top end of the tank wall of the dirt sucking tank 6, the supporting bridge 61 is arranged in a long strip shape, and two ends of the supporting bridge 61 are respectively connected to the top end of the tank wall of the dirt sucking tank 6. A driving device 62 is installed between the supporting bridge 61 and the top end of the slot wall of the dirt sucking slot 6, the driving device 62 can adopt a driving mode of a gear rack, and the driving device 62 is mainly used for driving the supporting bridge 61 to slide along the length direction of the top end of the slot wall of the dirt sucking slot 6.
Referring to fig. 1, a soil sucking pump 63 is mounted on a side of the support bridge 61 facing away from the soil sucking tank 6, a soil sucking pipe 631 and a drain pipe 632 are connected to the soil sucking pump 63, one end of the soil sucking pipe 631, which is far away from the soil sucking pump 63, extends into the bottom of the soil sucking tank 6, and one end of the drain pipe 632, which is far away from the soil sucking pump 63, extends into the sedimentation tank 2. The support bridge 61 and the sewage suction pump 63 cooperate with each other so as to adjust the position of the sewage suction pump 63, thereby facilitating complete extraction of the sludge at the bottom of the sewage suction tank 6.
Referring to fig. 1, when the water in the running water tank 1 flows into the suction tank 6 by the push water pump 11, the water is first precipitated in the suction tank 6, and then the suction pump 63 is started, the suction pump 63 pumps out the sludge precipitated at the bottom of the suction tank 6 through the suction pipe 631, and the pumped sludge is discharged into the sedimentation tank 2 through the drain pipe 632, so that the tail water containing a higher sludge concentration is discharged into the sedimentation tank 2. Meanwhile, the top end of the sewage suction tank 6 is communicated with the artificial wetland 3, so that the precipitated clear tail water is conveniently directly communicated into the artificial wetland 3, the artificial wetland 3 is utilized for purifying, and the purification efficiency of the tail water is improved.
Referring to fig. 1, the sedimentation tank 2 includes a first sedimentation tank 21 and a second sedimentation tank 22. A drain pipe 632 extends into the first sedimentation tank 21 and is located at the top end of the first sedimentation tank 21. An adjusting tank 7 is arranged between the first sedimentation tank 21 and the second sedimentation tank 22, the adjusting tank 7 is communicated with the first sedimentation tank 21, and the adjusting tank 7 is used for collecting the inflowing tail water and maintaining the relative uniformity and stability of the quality of the collected tail water.
Referring to fig. 1, a biological oxidation tank 8 is provided between the regulating tank 7 and the second sedimentation tank 22, and the biological oxidation tank 8 is respectively communicated with the regulating tank 7 and the second sedimentation tank 22. The biological oxidation tank 8 is internally provided with a filler 81, the filler 81 is used for adhesion growth of microorganisms, and the microorganisms can purify the water body in the biological oxidation tank 8. The biological oxidation tank 8 is also provided with an aerator 82, and the aerator 82 is used for providing oxygen for microorganisms in the biological oxidation tank 8 and stirring and mixing the water in the biological oxidation tank 8.
Referring to fig. 1, a sludge return line 221 is further connected between the second sedimentation tank 22 and the biological oxidation tank 8, and the sludge return line 221 is used for returning the sludge in the second sedimentation tank 22 to the biological oxidation tank 8.
Referring to fig. 1, a solid-liquid separator 23 is further connected between the first sedimentation tank 21 and the second sedimentation tank 22, and the solid-liquid separator 23 may be configured in various ways, and the solid-liquid separator 23 in this embodiment includes a sludge concentrating tank 231 and a plate-and-frame filter press 232. The sludge concentration tank 231 is respectively communicated with the sedimentation tank 2 and the plate-and-frame filter press 232, and the sludge concentration tank 231 is used for concentrating the sludge in the sedimentation tank 2 and conveying the concentrated sludge into the plate-and-frame filter press 232. The plate-and-frame filter press 232 is used for performing solid-liquid separation on the sludge conveyed by the sludge concentration tank 231, and the plate-and-frame filter press 232 is communicated with the regulating tank 7. Therefore, the solid sludge separated by the plate and frame filter press 232 can be used as a composting material, and the liquid sludge separated by the plate and frame filter press 232 can be returned to the adjustment tank 7.
Referring to fig. 1, one end of the second sedimentation tank 22 is communicated with a disinfection tank 9, tail water after sedimentation in the second sedimentation tank 22 can flow into the disinfection tank 9, disinfection medicament can be added in the disinfection tank 9, and disinfection of the tail water is completed. One end of the disinfection tank 9 far away from the second sedimentation tank 22 is communicated with the constructed wetland 3, and tail water after disinfection in the disinfection tank 9 can be discharged into the constructed wetland 3.
Referring to fig. 2 and 3, the artificial floating island 4 includes a floating island body 41, a planting layer 411 is provided on top of the floating island body 41, and aquatic plants are planted on the planting layer 411. And planting groove 412 is run through on the artificial floating island 4, planting groove 412 is located the middle part position of artificial floating island 4, and planting groove 412 internal fixation is connected with root leaking net 4121. The planting layer 411 is disposed on the root leaking net 4121, so that roots of the aquatic plants can penetrate through the root leaking net 4121 and extend into the constructed wetland 3 (refer to fig. 1), the aquatic plants can absorb nutrition and moisture from the constructed wetland 3 (refer to fig. 1), and the purpose of purifying water in the constructed wetland 3 (refer to fig. 1) by the aquatic plants is achieved.
Referring to fig. 3, a receiving groove 413 is further formed in the floating island body 41, the receiving groove 413 penetrates through a side wall of the floating island body 41, the receiving groove 413 is communicated with the planting groove 412, a floating plate 414 is slidably inserted in the receiving groove 413, and the floating plate 414 can slide out of the receiving groove 413 and slide to the outer side of the floating island body 41. The floating plate 414 can provide additional buoyancy to the floating island body 41, facilitating movement of the floating island body 41. The accommodating grooves 413 may be formed in plural, two accommodating grooves 413 in this embodiment are formed, the number of floating plates 414 is the same as the number of the accommodating grooves 413, and the two floating plates 414 can provide larger buoyancy to the floating island body 41.
Referring to fig. 3, a handle 4141 is fixedly connected to an end of the floating plate 414 away from the planting groove 412, and the handle 4141 is provided to facilitate the extraction of the floating plate 414 from the receiving groove 413.
Referring to fig. 3, a cultivation cage 42 is detachably connected to the bottom of the floating island body 41, and fish can be cultivated in the cultivation cage 42. The bottom of the floating island main body 41 is provided with a plug groove 418, the top end of the cultivation net cage 42 is provided with a plug board 425, and the plug board 425 can be plugged in the plug groove 418. The side wall of the floating island body 41 is connected with a fastening rod 419 in a threaded manner, and the fastening rod 419 penetrates through the side wall of the floating island body 41 and the plugboard 425 respectively.
Referring to fig. 4, a net cage door 421 is rotatably coupled to a sidewall of the cultivation net cage 42. The arrangement of the net cage door 421 is beneficial to replacing fishes in the culture net cage 42 on the premise that the floating island main body 41 is not separated from the culture net cage 42, so that the possibility of pollution caused by the fact that dead fishes in the culture net cage 42 cannot be taken out is reduced to a certain extent, and the fishes in the culture net cage 42 are spoiled.
Referring to fig. 1 and 3, gripping hooks 417 are fixedly connected to the outer sidewalls of the floating island body 41 and the cultivation net cage 42, and the gripping hooks 417 are positioned below the receiving groove 413. The plurality of the catching hooks 417 is provided, and the plurality of catching hooks 417 is provided around the outer sidewall of the floating island body 41. When the garbage in the constructed wetland 3 floats to the side of the floating island body 41, the grabbing hooks 417 can grab the garbage, and the garbage in the constructed wetland 3 is gathered to the side of the floating island body 41, so that the garbage in the constructed wetland 3 can be cleaned conveniently.
Referring to fig. 1 and 4, the floating island bodies 41 are provided in plurality, three in this embodiment, connecting bridges 415 are detachably connected between the three floating island bodies 41, and the three floating island bodies 41 are sequentially connected end to end through the connecting bridges 415. The three floating island main bodies 41 are used as one floating island module, a plurality of floating island modules are arranged, and the plurality of floating island modules are distributed in the constructed wetland 3, so that the purification of the water body in the constructed wetland 3 is facilitated.
Referring to fig. 4, a fish swimming pipe 422 is fixedly connected to the side wall of the cultivation net cage 42, and an ornamental box 416 is provided between the three floating island bodies 41. The ornamental box 416 is located at the middle position of the three floating island main bodies 41, and one end of the fish swimming pipe 422, which is far away from the cultivation net box 42, is fixedly connected with the ornamental box 416. The three floating island owners are fixedly connected with the ornamental box 416 through the fish swimming pipes 422 respectively, so that fish in the cultivation net box 42 can enter the ornamental box 416 through the fish swimming pipes 422.
Referring to fig. 1 and 4, the ornamental box 416 may be made of a transparent material, so that tourists can conveniently appreciate fishes in the ornamental box 416, thereby improving the ornamental value of the constructed wetland 3 to a certain extent on the premise of not affecting the purifying capacity of the constructed wetland 3, and further being beneficial to improving the economic benefit of the constructed wetland 3.
Referring to fig. 4, the fish-tube 422 may also be made of a transparent material. The fish swimming pipe 422 is provided with an on-off valve 423 near one end of the culture net cage 42, and the on-off valve 423 can open or close the fish swimming pipe 422. The top of the cultivation net cage 42 is connected with a feeding pipe 424, the feeding pipe 424 penetrates through the center of the floating island main body 41, and one end, far away from the cultivation net cage 42, of the feeding pipe 424 extends to the upper portion of the floating island main body 41, so that bait can be conveniently fed into the cultivation net cage 42 through the feeding pipe 424.
Referring to fig. 1 and 4, when water pollution at a certain position in the constructed wetland 3 is serious, the floating island main body 41 is moved to a position where the pollution is serious, and one floating island main body 41 of the three floating island main bodies 41 is moved to a position where the pollution is serious. Then all on-off valves 423 among the three floating island bodies 41 are opened, and baits are thrown into the cultivation net cage 42 through a throwing pipe 424 positioned on the floating island body 41 in the most polluted area. After the baits fall into the culture net boxes 42, the fishes in the other two culture net boxes 42 can be attracted and concentrated into the culture net boxes 42 with the baits, and then the on-off valve 423 outside the culture net boxes 42 with the baits is closed, so that the concentrated fishes are not easy to leave from the culture net boxes 42. Thereby facilitating the enhanced purification of the floating island body 41 in the most contaminated area, and facilitating the rapid purification of the most contaminated area.
Referring to fig. 1 and 4, after the floating island body 41 purifies the water quality of the water body in the most polluted area to a normal level, the on-off valve 423 is opened, so that the fishes can swim back into the culture net cages 42 on other floating island bodies 41 through the fish swimming pipe 422, thereby being beneficial to reducing the quantity of fishes in unit volume, reducing the quantity of fishes in unit volume to a certain extent, resulting in insufficient oxygen content in the water body and increasing the probability of fish death.
The implementation principle of the aquaculture tail water treatment system provided by the embodiment of the application is as follows: when the tail water in the launder 1 needs to be recycled, the tail water needs to be purified. Firstly, the water pushing pump 11 is started, the water in the external pond 5 is pumped into the water flowing groove 1, and the tail water in the water flowing groove 1 flows into the sewage sucking groove 6. And the tail water in the sewage suction tank 6 is pumped into the first sedimentation tank 21 by utilizing the sewage suction pump 63, and the tail water is led into the regulating tank 7 after being sedimentated and filtered in the first sedimentation tank 21.
Then, the tail water in the regulating tank 7 is introduced into the biological oxidation tank 8, after being treated by microorganisms in the biological oxidation tank 8, the tail water is introduced into the second sedimentation tank 22, and after being sedimentated and filtered in the second sedimentation tank 22, the tail water is introduced into the disinfection tank 9. Meanwhile, the sludge precipitated in the first and second settling tanks 21 and 22 is drawn out by the solid-liquid separator 23 and separated into solid sludge and liquid sludge by the solid-liquid separator 23.
Finally, the tail water in the second sedimentation tank 22 is led into the disinfection tank 9, and after disinfection in the disinfection tank 9, the tail water is led into the constructed wetland 3. After being purified in the constructed wetland 3, the tail water is led into the outer pond 5 and flows back into the water flowing tank 1 from the outer pond 5, so that the aim of recycling the tail water is fulfilled.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. An aquaculture tail water treatment system comprising:
a water flowing tank (1) for culturing aquatic products;
The sedimentation tank (2) is communicated with the water flowing groove (1), and the sedimentation tank (2) is used for storing and filtering tail water generated in the water flowing groove (1);
The constructed wetland (3) is communicated with the sedimentation tank (2), and the constructed wetland (3) is used for absorbing and purifying tail water in the sedimentation tank (2) after sedimentation and filtration;
an artificial floating island (4) arranged in the artificial wetland (3) and used for providing a growth space for aquatic animals and plants, wherein the artificial floating island (4) can move in the artificial wetland (3);
the outer pond (5) is respectively communicated with the water flowing groove (1) and the constructed wetland (3), the outer pond (5) is used for storing tail water purified by the constructed wetland (3), and the tail water stored in the outer pond (5) can flow back into the water flowing groove (1);
the artificial floating island (4) comprises a floating island main body (41), a planting layer (411) is arranged at the top of the floating island main body (41), aquatic plants are planted on the planting layer (411), planting grooves (412) are formed in the floating island main body (41) in a penetrating mode, root leaking nets (4121) are arranged in the planting grooves (412), and roots of the aquatic plants can penetrate through the root leaking nets (4121) to enter the artificial wetland (3);
the bottom of the floating island main body (41) is detachably connected with a culture net cage (42), a net cage door (421) is arranged on the side wall of the culture net cage (42), and the culture net cage (42) can be used for culturing fishes;
The floating island is characterized in that a plurality of floating island bodies (41) are arranged, a connecting bridge (415) is arranged between the plurality of floating island bodies (41), an ornamental box (416) is further arranged between the plurality of floating island bodies (41), a fish swimming pipe (422) is communicated with the culture net box (42), and one end, far away from the culture net box (42), of the fish swimming pipe (422) is communicated with the ornamental box (416).
2. The aquaculture tail water treatment system according to claim 1, characterized in that a sewage suction tank (6) is communicated between the water flowing tank (1) and the sedimentation tank (2), a supporting bridge (61) is slidably arranged at the top end of the tank wall of the sewage suction tank (6), a driving device (62) for driving the supporting bridge (61) to slide on the tank wall of the sewage suction tank (6) is arranged at the joint of the supporting bridge (61) and the sewage suction tank (6), a sewage suction pump (63) is arranged on the supporting bridge (61), the sewage suction pump (63) is used for pumping tail water after sedimentation at the bottom of the sewage suction tank (6) into the sedimentation tank (2), the top end of the sewage suction tank (6) is communicated with the constructed wetland (3), the sedimentation tank (2) comprises a first sedimentation tank (21) and a second sedimentation tank (22), and the first sedimentation tank (21) is respectively communicated with the sewage suction tank (6) and the second sedimentation tank (22), and the constructed wetland (3) are communicated with each other.
3. The aquaculture tail water treatment system according to claim 2, characterized in that a solid-liquid separator (23) is arranged between the first sedimentation tank (21) and the second sedimentation tank (22).
4. The aquaculture tail water treatment system according to claim 2, characterized in that an adjusting tank (7) is arranged between the first sedimentation tank (21) and the second sedimentation tank (22), a biological oxidation tank (8) is arranged between the adjusting tank (7) and the second sedimentation tank (22), a filler (81) is arranged in the biological oxidation tank (8), an aerator (82) is arranged in the biological oxidation tank (8), and a disinfection tank (9) is arranged between the second sedimentation tank (22) and the constructed wetland (3).
5. The aquaculture tail water treatment system according to claim 1, wherein a containing groove (413) is formed in the floating island main body (41), the containing groove (413) is communicated with the planting groove (412), the containing groove (413) penetrates through the side wall of the floating island main body (41), a floating plate (414) is connected in the containing groove (413) in a sliding mode, and the floating plate (414) can slide out of the floating island main body (41).
6. The aquaculture tail water treatment system according to claim 1, wherein an on-off valve (423) is arranged at one end of the fish swimming pipe (422) close to the aquaculture net cage (42), a feeding pipe (424) is communicated with the aquaculture net cage (42), the feeding pipe (424) is connected with the floating island main body (41), and one end of the feeding pipe (424) far away from the aquaculture net cage (42) extends to above the floating island main body (41).
7. The aquaculture tail water treatment system according to claim 1, characterized in that both the floating island main body (41) and the outer side of the aquaculture net cage (42) are provided with grabbing hooks (417), the grabbing hooks (417) are used for grabbing garbage in the constructed wetland (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211083233.3A CN115417561B (en) | 2022-09-06 | 2022-09-06 | Aquaculture tail water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211083233.3A CN115417561B (en) | 2022-09-06 | 2022-09-06 | Aquaculture tail water treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115417561A CN115417561A (en) | 2022-12-02 |
| CN115417561B true CN115417561B (en) | 2024-05-24 |
Family
ID=84201620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211083233.3A Active CN115417561B (en) | 2022-09-06 | 2022-09-06 | Aquaculture tail water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115417561B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514052A (en) * | 2009-03-24 | 2009-08-26 | 中水珠江规划勘测设计有限公司 | Biological floating island and construction method thereof |
| CN101828538A (en) * | 2010-05-31 | 2010-09-15 | 中国水产科学研究院渔业机械仪器研究所 | Box-type biological floating bed and use method thereof |
| KR20110136222A (en) * | 2010-06-14 | 2011-12-21 | 삼성물산 주식회사 | Ecological sewage water treatment system |
| CN103395887A (en) * | 2013-08-19 | 2013-11-20 | 深圳市铁汉生态环境股份有限公司 | Flexible compound multifunctional network partition floating island |
| CN104108797A (en) * | 2014-07-31 | 2014-10-22 | 宜都市茂源生态农业有限公司 | Water body purification system formed by stereoscopic configuration of aquatic animals and plants and purification method thereof |
| CN104828948A (en) * | 2015-04-21 | 2015-08-12 | 中国科学院南京地理与湖泊研究所 | Water purification floating bed breeding device and water purification method |
| CN204848595U (en) * | 2015-07-30 | 2015-12-09 | 杜丹 | Effluent disposal system breeds |
| CN106082444A (en) * | 2016-08-04 | 2016-11-09 | 苏州筑园景观规划设计股份有限公司 | A kind of waterborne supporting plants chinampa and manufacture method thereof |
| CN108675552A (en) * | 2018-05-21 | 2018-10-19 | 湖南骁睿农业生态科技有限公司 | A kind of sink concentrates the scrap concrete and tail water administering method of cultured fishes |
| CN109197690A (en) * | 2018-10-23 | 2019-01-15 | 海南省海洋与渔业科学院（海南省海洋开发规划设计研究院） | A kind of torrid areas industrial circulating water seawater fish and salt tolerance vegetables support system altogether |
| CN209768626U (en) * | 2019-01-22 | 2019-12-13 | 刘建 | Roundabout fish bowl |
| CN111567455A (en) * | 2020-05-30 | 2020-08-25 | 申雪丽 | Floating island for mariculture |
| CN112106720A (en) * | 2020-10-19 | 2020-12-22 | 四川省农业科学院水产研究所(四川省水产研究所) | Intelligent ecological circulating water culture pond, control method and application |
| CN212770335U (en) * | 2020-06-19 | 2021-03-23 | 上海江柘环境工程技术有限公司 | Ecological management system of tail water breeds |
| CN113493285A (en) * | 2020-04-08 | 2021-10-12 | 浙江嘉科新能源科技有限公司 | Outdoor freshwater fish culture tail water treatment system |
| CN216191744U (en) * | 2021-09-24 | 2022-04-05 | 湖南三昌科技有限公司 | Green low carbon aquaculture tail water processing system of agricultural non-point source pollution |
| CN114835350A (en) * | 2022-06-06 | 2022-08-02 | 河北省海洋与水产科学研究院(河北省海洋渔业生态环境监测站) | Breed tail water repair system |
-
2022
- 2022-09-06 CN CN202211083233.3A patent/CN115417561B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514052A (en) * | 2009-03-24 | 2009-08-26 | 中水珠江规划勘测设计有限公司 | Biological floating island and construction method thereof |
| CN101828538A (en) * | 2010-05-31 | 2010-09-15 | 中国水产科学研究院渔业机械仪器研究所 | Box-type biological floating bed and use method thereof |
| KR20110136222A (en) * | 2010-06-14 | 2011-12-21 | 삼성물산 주식회사 | Ecological sewage water treatment system |
| CN103395887A (en) * | 2013-08-19 | 2013-11-20 | 深圳市铁汉生态环境股份有限公司 | Flexible compound multifunctional network partition floating island |
| CN104108797A (en) * | 2014-07-31 | 2014-10-22 | 宜都市茂源生态农业有限公司 | Water body purification system formed by stereoscopic configuration of aquatic animals and plants and purification method thereof |
| CN104828948A (en) * | 2015-04-21 | 2015-08-12 | 中国科学院南京地理与湖泊研究所 | Water purification floating bed breeding device and water purification method |
| CN204848595U (en) * | 2015-07-30 | 2015-12-09 | 杜丹 | Effluent disposal system breeds |
| CN106082444A (en) * | 2016-08-04 | 2016-11-09 | 苏州筑园景观规划设计股份有限公司 | A kind of waterborne supporting plants chinampa and manufacture method thereof |
| CN108675552A (en) * | 2018-05-21 | 2018-10-19 | 湖南骁睿农业生态科技有限公司 | A kind of sink concentrates the scrap concrete and tail water administering method of cultured fishes |
| CN109197690A (en) * | 2018-10-23 | 2019-01-15 | 海南省海洋与渔业科学院（海南省海洋开发规划设计研究院） | A kind of torrid areas industrial circulating water seawater fish and salt tolerance vegetables support system altogether |
| CN209768626U (en) * | 2019-01-22 | 2019-12-13 | 刘建 | Roundabout fish bowl |
| CN113493285A (en) * | 2020-04-08 | 2021-10-12 | 浙江嘉科新能源科技有限公司 | Outdoor freshwater fish culture tail water treatment system |
| CN111567455A (en) * | 2020-05-30 | 2020-08-25 | 申雪丽 | Floating island for mariculture |
| CN212770335U (en) * | 2020-06-19 | 2021-03-23 | 上海江柘环境工程技术有限公司 | Ecological management system of tail water breeds |
| CN112106720A (en) * | 2020-10-19 | 2020-12-22 | 四川省农业科学院水产研究所(四川省水产研究所) | Intelligent ecological circulating water culture pond, control method and application |
| CN216191744U (en) * | 2021-09-24 | 2022-04-05 | 湖南三昌科技有限公司 | Green low carbon aquaculture tail water processing system of agricultural non-point source pollution |
| CN114835350A (en) * | 2022-06-06 | 2022-08-02 | 河北省海洋与水产科学研究院(河北省海洋渔业生态环境监测站) | Breed tail water repair system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115417561A (en) | 2022-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101408850B1 (en) | No drain combined recirculating aquacultural system having such | |
| CN109095617A (en) | The ecosystem and purification method of subtropical zone composite type artificial wetland purifying sea water breeding water | |
| AU2020103871A4 (en) | A self-purification system for crab pond aquaculture with air stripping and water retracing flowing around the whole pond | |
| CN113213710A (en) | Seawater factory greenhouse aquaculture penaeus vannamei tail water treatment system and method | |
| CN111718073A (en) | Freshwater aquaculture pond tail water treatment system | |
| CN110950436A (en) | Seawater pond culture tail water treatment system and method | |
| CN111204934A (en) | Breeding tail water treatment system | |
| CN109122536A (en) | A kind of circulating water culture system of box for breeding and energy-saving high-efficiency environment-friendly | |
| CN112931370A (en) | Pond culture tail water treatment system | |
| CN112889738A (en) | Wisdom water circulating system | |
| CN115417561B (en) | Aquaculture tail water treatment system | |
| KR20140146995A (en) | Recirculating aquacultural tank | |
| CN111134078A (en) | Circulating partitioned layered purification aquaculture pond and construction method thereof | |
| CN114600825B (en) | Dual cycle aquaculture system | |
| CN214758650U (en) | High-density aquatic ecological breeding system | |
| CN215855653U (en) | Sewage purification integrated device for coupling biological treatment and ecological treatment | |
| CN213446522U (en) | Freshwater fishery is bred with breeding tail water treatment facilities | |
| CN110946108B (en) | Pond system for water quality circulation purification | |
| CN211832439U (en) | Circulation subregion layering purifies breed aquatics pond | |
| CN213895510U (en) | Pond culture tail water treatment system | |
| CN107853218A (en) | A kind of freshwater fish culturing method | |
| CN113349137A (en) | Container aquaculture system based on internet | |
| CN108821437B (en) | Ecological tower for treating eutrophic water and application | |
| CN113558004A (en) | Technique of symbiotic filtering system for shrimp and vegetable in external pond | |
| CN108684598B (en) | Intelligent seawater pond leisure landscape ecological breeding system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |