CN219719480U - Industrial circulating water culture system based on microbial capsule denitrification and dephosphorization - Google Patents
Industrial circulating water culture system based on microbial capsule denitrification and dephosphorization Download PDFInfo
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- CN219719480U CN219719480U CN202320554154.XU CN202320554154U CN219719480U CN 219719480 U CN219719480 U CN 219719480U CN 202320554154 U CN202320554154 U CN 202320554154U CN 219719480 U CN219719480 U CN 219719480U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 239000002775 capsule Substances 0.000 title claims abstract description 67
- 230000000813 microbial effect Effects 0.000 title claims abstract description 55
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- 230000001954 sterilising effect Effects 0.000 claims abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 28
- 238000005192 partition Methods 0.000 claims description 22
- 244000005700 microbiome Species 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 13
- 238000001471 micro-filtration Methods 0.000 claims description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims description 13
- 239000011574 phosphorus Substances 0.000 claims description 13
- 238000005273 aeration Methods 0.000 claims description 9
- 238000009360 aquaculture Methods 0.000 claims description 8
- 244000144974 aquaculture Species 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- 230000003134 recirculating effect Effects 0.000 claims 3
- 238000010923 batch production Methods 0.000 claims 1
- 238000009313 farming Methods 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- 229910002651 NO3 Inorganic materials 0.000 description 5
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241000195649 Chlorella <Chlorellales> Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000015784 hyperosmotic salinity response Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000001706 oxygenating effect Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to the technical field of closed industrial circulating water culture, and discloses an industrial circulating water culture system based on denitrification and dephosphorization of microbial capsules, which comprises a culture pond, a micro-filter, a circulating water pump, a device carrying microbial capsules, a CO planing biological filter, a mobile biological filter, an ultraviolet sterilization sterilizer, an oxygen cone and a sedimentation tank, wherein the CO planing biological filter is positioned right above the mobile biological filter, the culture pond is communicated with the micro-filter through a pipeline so that water in the culture pond flows into the micro-filter, one side of the micro-filter is provided with a pump pond, and the micro-filter is communicated with the pump pond through a connecting pipe; the device can be applied in a modularized way, and the cost is low; belongs to the first creation at home and abroad and has remarkable innovation.
Description
Technical Field
The utility model relates to the technical field of closed industrial circulating water culture, in particular to an industrial circulating water culture system based on denitrification and dephosphorization of microbial capsules.
Background
Along with environmental and environmental protection pressures, the aquaculture pond with the large-row large-irrigation mode is closed and stopped when the net cages of lakes, reservoirs and offshore aquaculture fish steaks are removed, and the pressure of aquaculture is also increased. The industrial circulating water culture is a sustainable development mode capable of realizing water body cyclic utilization, and the industrial circulating water culture system which is developed and applied at home and abroad at present really reaches almost zero emission standard, and mainly has the following problems: (1) The RAS system is not mature enough and has poor equipment stability, so that ammonia nitrogen, nitrite nitrogen and the like in the water body exceed standards, and the problems of direct discharge of a large amount of cultivation sewage caused by a large amount of water change are solved; (2) The lack of a nitrogen and phosphorus removal RAS system causes the problem of nitrate accumulation generated by the nitration reaction, and the toxic influence of the nitrate accumulation to fish can be caused by a certain amount of nitrate accumulation, so that the problem is solved by a large amount of water change; meanwhile, the system has no phosphate removing device, and can only be discharged, so that the later-stage tail water treatment difficulty is caused; (3) The discharge of the culture tail water is stricter, the removal difficulty of nitrogen and phosphorus is higher, especially the dephosphorization difficulty is higher, the cost is higher, and the secondary pollution to the environment is easy to cause;
in summary, the current situation severely restricts the popularization and application of the industrial circulating water culture system in China, especially in inland water-shortage and city-saving areas. Therefore, the design and application of the circulating water culture system needs to be enhanced and perfected, and the competitiveness of the circulating water culture is improved.
Disclosure of Invention
The utility model provides an industrial circulating water culture system based on denitrification and dephosphorization of microbial capsules.
The utility model is realized by adopting the following technical scheme: the industrial circulating water culture system based on microbial capsule denitrification and dephosphorization comprises a culture pond, a micro-filtration pond, a circulating water pump, a device carrying microbial capsules, a CO planing biological filter, a mobile biological filtration pond, an ultraviolet sterilization and disinfection machine, an oxygen cone and a sedimentation pond, wherein the CO planing biological filter is positioned right above the mobile biological filtration pond, the culture pond is communicated with the micro-filtration pond through a pipeline so as to enable water in the culture pond to flow into the micro-filtration pond, a pump pond is arranged on one side of the micro-filtration pond, and the micro-filtration pond is communicated with the pump pond through a connecting pipe;
the water inlet of the circulating water pump is communicated with the pump pond through a water inlet pipe, the water outlet of the circulating water pump is communicated with the CO planing biological filter through a water outlet pipe, the movable biological filter is communicated with the ultraviolet sterilization and disinfection machine through a water pipe, the ultraviolet sterilization and disinfection machine is communicated with the culture pond through a communicating pipe, and the device carrying the microorganism capsules is connected with the clean water pond at the rear end of the movable biological filter through a first water pump and is connected with the sedimentation pond through a second water pump.
As a further improvement of the scheme, the oxygen cone takes water from the movable biological filter through a third water pump, pure oxygen is mixed, and the pure oxygen enters the culture pond through a separate pipeline.
As a further improvement of the above, the microorganism-loaded capsule device is in the shape of a cylinder or a rectangular parallelepiped.
As a further improvement of the scheme, the water inlet is arranged above the microorganism-loaded capsule device, the water outlet is arranged below the microorganism-loaded capsule device, the partition plate which is arranged above the water outlet and is obliquely arranged is arranged inside the microorganism-loaded capsule device, the material taking opening is arranged above the tail end of the partition plate, the aeration disc which is arranged below the partition plate is arranged at the bottom of the microorganism-loaded capsule device, the transparent partition plate which is arranged below the water inlet is arranged inside the microorganism-loaded capsule device, and the LED illuminating lamp is arranged right above the transparent partition plate.
As a further improvement of the scheme, a fan and a control cabinet are fixed outside the device carrying the microorganism capsules, the fan is connected with the aeration disc through a pipeline, and the control cabinet is electrically connected with the fan and the LED illuminating lamp.
As a further improvement of the scheme, the microbial capsules are filled between the partition plate and the transparent partition plate, and a discharge hole for putting the microbial capsules is arranged at the top of the microbial capsule device.
Compared with the prior art, the utility model has the beneficial effects that:
1. the microbial capsule denitrification and dephosphorization device is additionally arranged, so that the problem of nitrate accumulation in the culture water body can be solved, and the water exchange amount and the direct discharge amount are reduced; meanwhile, the phosphate can be absorbed, the phosphate in the water body is removed, and the difficulty and cost of tail water treatment are greatly reduced; the device can simultaneously remove nitrogen and phosphorus, has excellent removal effect and stable activity; sludge is not generated, and secondary pollution is not caused;
2. the microbial capsules in the microbial capsule denitrification and dephosphorization device have excellent salt tolerance, and are suitable for a seawater and fresh water industrial aquaculture water treatment system;
to sum up: the utility model realizes the further removal of nitrogen in the industrial circulating water culture system and simultaneously can remove phosphate; the device can be applied in a modularized way, and the cost is low; belongs to the first creation at home and abroad and has remarkable innovation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram showing a first cross-sectional structure of the microbial capsule nitrogen and phosphorus removal device of the present utility model;
FIG. 3 is a schematic diagram showing a second cross-sectional structure of the microbial capsule nitrogen and phosphorus removal device of the present utility model.
Main symbol description:
1. a culture pond; 2. a micro-filter tank; 3. a circulating water pump; 31. a pump pool; 4. carrying a microbial capsule device; 41. a first water pump; 42. a water inlet; 43. a water outlet; 44. a partition plate; 45. a material taking port; 46. an aeration disc; 47. a transparent separator; 48. an LED illuminating lamp; 49. a blower; 410. a control cabinet; 411. a discharge port; 5. CO2 planing off the biological filter; 6. moving the biological filter; 61. a clean water tank; 7. an ultraviolet sterilization sterilizer; 8. an oxygen cone; 81. a third water pump; 82. a separate pipeline; 9. a sedimentation tank; 91. and a second water pump.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Referring to fig. 1-3, the industrial circulating water cultivation system based on denitrification and dephosphorization by using microbial capsules of the embodiment comprises a cultivation pond 1, a micro-filtration pond 2, a circulating water pump 3, a device 4 carrying microbial capsules, a CO2 planing biological filter 5, a mobile biological filtration pond 6, an ultraviolet sterilization sterilizer 7, an oxygen cone 8 and a sedimentation pond 9, wherein the CO2 planing biological filter 5 is positioned right above the mobile biological filtration pond 6, the cultivation pond 1 is communicated with the micro-filtration pond 2 through a pipeline so that water in the cultivation pond 1 flows into the micro-filtration pond 2, a pump pond 31 is arranged at one side of the micro-filtration pond 2, and the micro-filtration pond 2 is communicated with the pump pond 31 through a connecting pipe;
the water inlet of the circulating water pump 3 is communicated with the pump tank 31 through a water inlet pipe, the water outlet of the circulating water pump 3 is communicated with the CO2 planing biological filter 5 through a water outlet pipe, the movable biological filter 6 is communicated with the ultraviolet sterilization and disinfection machine 7 through a water pipe, the ultraviolet sterilization and disinfection machine 7 is communicated with the culture tank 1 through a communicating pipe, the microorganism-carrying capsule device 4 is connected with the clean water tank 61 at the rear end of the movable biological filter 6 through a first water pump 41, and is simultaneously connected with the sedimentation tank 9 through a second water pump 91.
The oxygen cone 8 takes water from the mobile biological filter 6 through a third water pump 81, mixes pure oxygen, and enters the culture pond 1 through a separate pipeline 82.
The microbial capsule loading device 4 is cylindrical or cuboid, the water inlet 42 is arranged above the microbial capsule loading device 4, the water outlet 43 is arranged below the microbial capsule loading device 4, the partition plate 44 which is arranged above the water outlet 43 and is obliquely arranged is arranged inside the microbial capsule loading device 4, the material taking opening 45 is arranged above the tail end of the partition plate 44, the aeration disc 46 which is arranged below the partition plate 44 is arranged at the bottom of the microbial capsule loading device 4, the transparent partition plate 47 which is arranged below the water inlet 42 is arranged inside the microbial capsule loading device 4, the LED illuminating lamp 48 is arranged right above the transparent partition plate 47, the fan 49 and the control cabinet 410 are fixed outside the microbial capsule loading device 4, the fan 49 is connected with the aeration disc 46 through a pipeline, the control cabinet 410 is electrically connected with the fan 49 and the LED illuminating lamp 48, the microbial capsule is filled between the partition plate 44 and the transparent partition plate 47, and the top of the microbial capsule loading device 4 is provided with the material discharging opening 411 for feeding the microbial capsule.
The industrial circulating water culture system based on microbial capsule denitrification and dephosphorization in the embodiment of the utility model has the implementation principle that: the water in the culture pond 1 flows into the micro-filtration pond 2 through pipeline drainage, residual bait, excrement and other granular matters in the water are filtered by the micro-filtration pond 2, the filtered water flows into the pump pond 31 through the connecting pipe, the water is lifted to the CO2 planing biological filter 5 and the movable biological filtration pond 6 through the high-flow low-lift circulating water pump 3, harmful matters including ammonia nitrogen, nitrite and hydrogen sulfide are removed through the nitration reaction of microorganisms, the water purified by the movable biological filtration pond 6 enters the ultraviolet sterilization and disinfection machine 7, the ultraviolet sterilization and disinfection machine 7 disinfects and disinfects the water, microorganisms harmful to fish in the water are removed, the water flows back to the circulating water culture pond 1 automatically to form a totally-enclosed circulating water culture system, the oxygen cone 8 takes water from the movable biological filtration pond 6 through the third water pump 81, pure oxygen is mixed, the independent pipeline 82 enters the culture pond, meanwhile, by arranging the microbial capsule nitrogen and phosphorus removal device 4, when water enters the microbial capsule nitrogen and phosphorus removal device 4 through the water inlet 42, microbial capsules in the microbial capsule nitrogen and phosphorus removal device 1 are filtered, water molecules can pass through the microbial capsules and fully contact with internal microalgae (chlorella, diatom and the like), the internal microalgae cannot run out, the concentration of the microalgae is controlled to be more than 2g/L, meanwhile, the blower 49 is used for aerating and oxygenating the interior of the aeration disc 46, micropores on the surface of the aeration disc 46 generate a large number of micro bubbles, the contact area of oxygen and water is increased, so that the dissolved oxygen amount is increased, the activity of aerobic microorganisms is further improved, meanwhile, the LED illuminating lamp 48 arranged right above the device 4 can promote the photosynthesis of algae, the running efficiency of a biochemical system is improved, and the problem of nitrate accumulation in a culture water body can be solved, the water exchange amount and the direct discharge amount are reduced; meanwhile, the phosphate can be absorbed, the phosphate in the water body is removed, and the difficulty and cost of tail water treatment are greatly reduced; the device can simultaneously remove nitrogen and phosphorus, has excellent removal effect and stable activity; no sludge is produced and no secondary pollution is caused.
The nitrogen and phosphorus concentrations at the water inlet and outlet ports 42 and 43 of the device 4 to be detected are calculated, and if the nitrogen and phosphorus removal rates are lower than 13.86 g/(m 3. D) and 2.99 g/(m 3. D), respectively, the microbial capsules in the device 4 need to be replaced, discharged from the material outlet port 45, and then new microbial capsules are put into the material inlet port 411.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (7)
1. The utility model provides a batch production circulating water farming systems based on microorganism capsule nitrogen and phosphorus removal, includes breed pond (1), micro-filtration pond (2), circulating water pump (3), carries microorganism capsule device (4), CO2 to dig biological filter (5), remove biological filtration pond (6), ultraviolet sterilization sterilizer (7), oxygen awl (8) and sedimentation tank (9), its characterized in that: the CO2 planing biological filter (5) is positioned right above the movable biological filter (6), the culture pond (1) is communicated with the micro-filter pond (2) through a pipeline, so that water in the culture pond (1) flows into the micro-filter pond (2), a pump pond (31) is arranged on one side of the micro-filter pond (2), and the micro-filter pond (2) is communicated with the pump pond (31) through a connecting pipe;
the water inlet of circulating water pump (3) is through inlet tube and pump sump (31) intercommunication, and the delivery port of circulating water pump (3) is through outlet pipe and CO2 plane biological filter (5) intercommunication, remove biological filter (6) and ultraviolet sterilization disinfection machine (7) intercommunication through the water pipe, ultraviolet sterilization disinfection machine (7) are through communicating pipe and breed pond (1) intercommunication, carry microorganism capsule device (4) and link to each other through clean water pond (61) of first water pump (41) and removal biological filter (6) rear end, be connected through second water pump (91) with sedimentation tank (9) simultaneously.
2. An industrial recirculating aquaculture system based on microbial capsule nitrogen and phosphorus removal according to claim 1, characterized in that the oxygen cone (8) takes water from the mobile biofilter (6) through a third water pump (81), mixes pure oxygen and enters the aquaculture pond (1) through a separate pipeline (82).
3. An industrial recirculating aquaculture system based on microbial capsule denitrification and dephosphorization according to claim 1, characterized in that the device (4) carrying the microbial capsules is cylindrical or rectangular.
4. The industrial circulating water culture system based on microbial capsule denitrification and dephosphorization as claimed in claim 1, wherein a water inlet (42) is arranged above the microbial capsule carrying device (4), a water outlet (43) is arranged below the microbial capsule carrying device (4), a partition plate (44) which is arranged above the water outlet (43) and is obliquely arranged is arranged inside the microbial capsule carrying device (4), a material taking opening (45) is arranged above the tail end of the partition plate (44), an aeration disc (46) which is arranged below the partition plate (44) is arranged at the bottom of the microbial capsule carrying device (4), a transparent partition plate (47) which is arranged below the water inlet (42) is arranged inside the microbial capsule carrying device (4), and an LED illuminating lamp (48) is arranged right above the transparent partition plate (47).
5. The industrial circulating water culture system based on microbial capsule denitrification and dephosphorization as claimed in claim 1, wherein a fan (49) and a control cabinet (410) are fixed outside the device (4) carrying the microbial capsule, the fan (49) is connected with the aeration disc (46) through a pipeline, and the control cabinet (410) is electrically connected with the fan (49) and the LED illuminating lamp (48).
6. The industrial circulating water culture system based on denitrification and dephosphorization of microbial capsules as claimed in claim 4, wherein microbial capsules are filled between the partition plate (44) and the transparent partition plate (47), and a discharge opening (411) for putting in the microbial capsules is arranged at the top of the microbial capsule device (4).
7. An industrial recirculating aquaculture system based on microbial capsule denitrification and dephosphorization according to claim 1, wherein the microbial capsule-loaded device (4) is filled with microbial capsules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554154.XU CN219719480U (en) | 2023-03-21 | 2023-03-21 | Industrial circulating water culture system based on microbial capsule denitrification and dephosphorization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554154.XU CN219719480U (en) | 2023-03-21 | 2023-03-21 | Industrial circulating water culture system based on microbial capsule denitrification and dephosphorization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219719480U true CN219719480U (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320554154.XU Active CN219719480U (en) | 2023-03-21 | 2023-03-21 | Industrial circulating water culture system based on microbial capsule denitrification and dephosphorization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219719480U (en) |
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- 2023-03-21 CN CN202320554154.XU patent/CN219719480U/en active Active
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