CN210642011U - Circulating seawater culture system based on microalgae-strain bioreactor - Google Patents
Circulating seawater culture system based on microalgae-strain bioreactor Download PDFInfo
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- CN210642011U CN210642011U CN201921472035.XU CN201921472035U CN210642011U CN 210642011 U CN210642011 U CN 210642011U CN 201921472035 U CN201921472035 U CN 201921472035U CN 210642011 U CN210642011 U CN 210642011U
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Abstract
The application discloses circulation mariculture system based on little algae-bacterial bioreactor belongs to circulation mariculture field for mariculture, and it is including breeding the pond, breed the pond and connect quick-acting degradation pond, quick-acting degradation pond connection terminal clean water reservoir, breed the pond and connect anaerobism reaction tank, anaerobism reaction tank connects good oxygen fungus reaction tank, the ultraviolet sterilizer is connected to good oxygen fungus reaction tank, little algae biological reaction tank is connected to the ultraviolet sterilizer, little algae biological reaction tank connection terminal clean water reservoir, refrigeration, constant temperature all-in-one are connected through the water pump in terminal clean water reservoir, refrigeration, constant temperature all-in-one connect the protein separator, the protein separator delivery port is connected with breeding the pond. In view of the technical scheme, the method can realize the recycling of organic elements in the culture process, so that the seawater polluted by the seafood is reduced into new seawater suitable for the life of the seafood.
Description
Technical Field
The application belongs to the field of circulating mariculture, and particularly relates to a circulating mariculture system based on a microalgae-strain bioreactor.
Background
In recent years, the factors inducing the improvement of the eutrophication degree of offshore and estuary mainly include the following factors: firstly, along with the rapid development of modern industrial industry and agricultural production, the population quantity of coastal areas is continuously increased, and a large amount of wastewater or domestic sewage generated in the industrial and agricultural production process is directly discharged into seawater; secondly, the continuous increase of coastal development degree and the continuous expansion of mariculture scale also bring pollution to marine ecological environment and aquaculture; and thirdly, the ocean transportation industry is continuously developed. Among the above factors, the continuous increase of the scale of mariculture has a serious influence on the eutrophication of offshore estuary, and in the wastewater generated by mariculture, nitrogen and phosphorus removal is the key point of wastewater treatment.
It should be noted that mariculture in offshore estuary is a necessary means for meeting the demand of market for marine products under the gradual decline of marine resources, but the rapid development of the mariculture industry, the continuous increase of culture varieties and scales exceed the tolerable range of offshore marine resources, so that the environmental pollution problems of overlarge consumption of offshore estuary resources, eutrophication of the aquaculture area, and the like are increased, and the sustainable development of the mariculture industry is severely restricted. And the adoption of the circulating seawater culture can reduce the pollution of the discharge of the aquaculture wastewater to the environment, save the occupied area and the water consumption, shorten the culture period, and become a technical means for solving the problems. However, the traditional circulating mariculture adopts a complex structure, has high construction cost and high operation energy consumption, and cannot meet the actual use requirement.
Disclosure of Invention
The application aims to provide a circulating seawater culture system based on a microalgae-strain bioreactor, which can effectively remove key solid wastes in a culture pond by utilizing a physical filtering system and culture of microalgae and strains, treat organic pollutants, reduce COD (chemical oxygen demand), remove nitrogen and phosphorus in saturated water, sterilize and disinfect and the like, realize the recycling of organic elements in the culture process, and reduce seawater polluted by seafood into new seawater suitable for seafood life.
In order to achieve the purpose, the method is realized by the following technical scheme:
in this application circulation mariculture system based on little algae-bacterial bioreactor, including breeding the pond, breed the pond and connect quick-acting degradation pond, quick-acting degradation pond connection terminal clean water reservoir, breed the pond and connect anaerobism reaction tank, anaerobism reaction tank connects aerobic bacteria reaction tank, ultraviolet sterilizer is connected to aerobic bacteria reaction tank, little algae biological reaction tank is connected to ultraviolet sterilizer, little algae biological reaction tank connection terminal clean water reservoir, the terminal clean water reservoir passes through water pump connection refrigeration, constant temperature all-in-one, refrigeration, constant temperature all-in-one connect the protein separator, the protein separator delivery port with breed the pond and be connected.
Further, the water pump described in this application is a UV water pump.
Furthermore, an aeration head is added into the aerobic bacteria reaction tank and the microalgae biological reaction tank.
Furthermore, the microalgae biological reaction tank is connected with the membrane bioreactor, and the concentration of the microalgae in the microalgae biological reaction tank is kept above 1.5 g/L.
The circulating mariculture system based on the microalgae-strain bioreactor comprises a culture pond, wherein the culture pond is connected with an anaerobic bacteria reaction pond through a pipeline and a pipe fitting, the anaerobic bacteria reaction pond is connected with an aerobic bacteria reaction pond through a pipeline and a pipe fitting, the aerobic bacteria reaction pond is sequentially connected with an ultraviolet sterilizer and a microalgae biological reaction pond through a pipeline and a pipe fitting, a water pump is arranged inside the microalgae biological reaction pond, and the water pump is connected with the culture pond through a pipeline and a pipe fitting.
Further, the water pump described in this application is a UV water pump.
Furthermore, the microalgae biological reaction tank is communicated with the membrane bioreactor through a water pump and then is connected to the culture tank.
Furthermore, a light band for promoting the photosynthesis of the algae is arranged above the microalgae biological reaction tank.
Compared with the prior art, the beneficial effects of this application are:
1. the culture system can effectively remove key solid wastes in the culture pond by utilizing the physical filtration system and the culture of microalgae and strains, treat organic pollutants, reduce COD (chemical oxygen demand), reduce dissolved oxygen in saturated water, remove nitrogen and phosphorus, sterilize and the like, realize the recycling of organic elements in the culture process, and reduce the sea water polluted by seafood into new sea water suitable for seafood life.
2. The modular unit design is adopted in the culture system, great flexibility and expandability are achieved, different use requirements in mariculture can be met, and purchasing cost is reduced.
Drawings
Fig. 1 is a first structural diagram of the present application.
Fig. 2 is a structural schematic diagram of the present application.
Fig. 3 is a third structural schematic diagram of the present application.
Fig. 4 is a fourth structural diagram of the present application.
In the figure: 1. a culture pond; 2. a quick-acting degradation tank; 3. an anaerobic bacteria reaction tank; 4. an aerobic bacteria reaction tank; 5. an ultraviolet sterilizer; 6. a microalgae biological reaction tank; 7. a terminal water purification tank; 8. a water pump; 9. a refrigerating and constant-temperature integrated machine; 10. a protein separator; 11. a membrane bioreactor.
Detailed Description
The technical solutions described in the present application are further described below with reference to the accompanying drawings and embodiments. It should be noted that the following paragraphs may refer to terms of orientation including, but not limited to, "upper, lower, left, right, front, rear", etc., which are based on the orientation shown in the drawings corresponding to the specification, and should not be construed as limiting the scope or technical solutions of the present application, but merely as facilitating better understanding of the technical solutions described in the present application by those skilled in the art.
Example 1
A circulating seawater culture system based on a microalgae-strain bioreactor comprises a culture pond 1 arranged on a rack, wherein the culture pond 1 is arranged on the rack in a stepped manner. The culture pond 1 is connected with a pipe fitting structure and an anaerobic bacteria reaction pond 3 through a pipeline, the anaerobic bacteria reaction pond 3 is connected with a pipe fitting structure and an aerobic bacteria reaction pond 4 through a pipeline, and the aerobic bacteria reaction pond 4 is sequentially connected with an ultraviolet sterilizer 5 and a microalgae biological reaction pond 6 through a pipeline and a pipe fitting structure. The water pump 8 is arranged in the microalgae biological reaction tank 6, and the water body treated by the microalgae biological reaction tank 6 is pumped into the culture tank 1 by the water pump 8.
Example 2
A circulation seawater culture system based on a microalgae-strain bioreactor comprises a culture pond 1, wherein the culture pond 1 is respectively connected with a quick-acting degradation pond 2 and an anaerobic bacteria reaction pond 3 through channels, the quick-acting degradation pond 2 is connected with a terminal clean water pond 7, and the anaerobic bacteria reaction pond 3 is connected with an aerobic bacteria reaction pond 4; the aerobic bacteria reaction tank 4 is connected with a terminal water purification tank 7 through an ultraviolet sterilizer 5 and a microalgae biological reaction tank 6 which are connected in sequence; the terminal water purification tank 7 is pumped into the refrigeration and constant temperature integrated machine 9 through the water pump 8, the refrigeration and constant temperature integrated machine 9 is connected with the protein separator 10, and the water outlet of the protein separator 10 is positioned on the culture pond 1. The structures and the connection relationships of the remaining portions are the same as those described in embodiment 1.
Example 3
A circulating seawater culture system based on a microalgae-strain bioreactor is characterized in that a water pump 8 is a UV water pump capable of eliminating other mixed bacteria in seawater, and an aeration head for supplying oxygen and enhancing the circulation in a reaction tank is arranged in an aerobic bacteria reaction tank 4. The structures and the connection relations of the rest parts are the same as those described in any of the previous embodiments.
Example 4
A circulating seawater culture system based on a microalgae-strain bioreactor is disclosed, wherein a membrane bioreactor 11 is connected in a terminal water purification tank 7, and the membrane bioreactor 11 is used for keeping the concentration of microalgae in the terminal water purification tank 7 to be more than 1.5 g/L. The structures and the connection relations of the rest parts are the same as those described in any of the previous embodiments.
Example 5
A circulating seawater culture system based on a microalgae-strain bioreactor, wherein algae seeds adopted by the microalgae bioreactor 6 should meet the conditions that the removal rate of oxygen and nitrogen is 13.7 g/(m 3. d), the removal rate of total phosphorus is 2.88g/(m < d >), when the N/P ratio contained in inflow water is increased from 5 to 20, the growth rate of the algae seeds and the nitrogen and phosphorus removal capability in the microalgae bioreactor 6 are gradually increased, and when the N/P ratio is higher than 20, the efficiency of the microalgae bioreactor 6 tends to be stable and does not increase along with the increase of the N/P ratio. The structures and the connection relations of the rest parts are the same as those described in any of the previous embodiments.
Example 6
A circulating seawater culture system based on a microalgae-strain bioreactor, wherein the top of the microalgae bioreactor 6 is provided with a light band for promoting photosynthesis.
On the basis of the above-mentioned embodiments, the present application continues to describe the technical features and functions of the technical features mentioned therein in detail to help those skilled in the art to fully understand the technical solutions of the present application and reproduce the same. The culture pond 1, the quick-acting degradation pond 2, the anaerobic bacteria reaction pond 3, the aerobic bacteria reaction pond 4 and the microalgae biological reaction pond 6 can be frame structures with small volume, and the frame structures can be installed on the machine frame in a three-dimensional space in a grading way to form an integral structure as shown in figures 1 to 4. As the frame structures of all the functional units are connected through the pipeline pipe fitting structure, the units with different functions can be added to realize the realization and the expansion of additional functions.
In this application water pump 8 adopt the UV water pump, the UV water pump is for having the filter pump of ultraviolet sterilization function, can with the water suction in the terminal clean water reservoir 7 to refrigeration, in the constant temperature all-in-one 9, refrigeration, constant temperature all-in-one 9 can realize that the water reaches required temperature in the artificial breeding technique to the realization keeps the living environment temperature of seafood, keeps the bright activity of marine products.
In the application, the aerobic bacteria reaction tank 4 and the microalgae biological reaction tank 6 are added with the aeration heads, and the aeration heads can provide oxygen for microorganisms, increase the internal circulation in the reaction tanks and improve the reaction speed.
In the present application, the anaerobic reaction tank 3 can decompose soluble organic substances contained in polluted seawater into a free state, and simultaneously convert part of nitrate nitrogen into nitrogen.
In the application, the aerobic bacteria reaction tank 4 can decompose and convert part of ammonia nitrogen and nitrite nitrogen contained in the polluted seawater into nitrate nitrogen.
In the present application, the microalgae bioreactor 6 can remove ammonia nitrogen and phosphorus in seawater through algal species, preferably with an oxygen-nitrogen removal rate of 13.7 g/(m 3. d) and a total phosphorus removal rate of 2.88 g/(m-dry-method). The strain can keep the growth rate and the nitrogen and phosphorus removal capability of the algae in a continuously increasing state in the process that the nitrogen-phosphorus ratio in the water body is increased from 5 to 20; when the nitrogen-phosphorus ratio is higher than 20, the reaction efficiency of the microalgae bioreactor 6 tends to be stable and does not increase with the increase of the nitrogen-phosphorus ratio.
Claims (8)
1. A circulating seawater culture system based on a microalgae-strain bioreactor comprises a culture pond (1), it is characterized in that the culture pond (1) is connected with a quick-acting degradation pond (2), the quick-acting degradation pond (2) is connected with a terminal water purifying pond (7), the culture pond (1) is connected with an anaerobic bacteria reaction pond (3), the anaerobic bacteria reaction pond (3) is connected with an aerobic bacteria reaction pond (4), the aerobic bacteria reaction tank (4) is connected with an ultraviolet sterilizer (5), the ultraviolet sterilizer (5) is connected with a microalgae biological reaction tank (6), the microalgae biological reaction tank (6) is connected with a terminal water purifying tank (7), the terminal water purifying tank (7) is connected with a refrigerating and constant-temperature integrated machine (9) through a water pump (8), the refrigerating and constant-temperature integrated machine (9) is connected with a protein separator (10), and a water outlet of the protein separator (10) is connected with the culture pond (1).
2. A microalgae-bacteria-species-bioreactor-based recirculating marine aquaculture system as claimed in claim 1, characterized in that said water pump (8) is a UV water pump.
3. The circulating mariculture system based on the microalgae-strain bioreactor as claimed in claim 1, wherein an aeration head is added to the aerobic bacteria reaction tank (4) and the microalgae biological reaction tank (6).
4. The circulating mariculture system based on the microalgae-strain bioreactor as claimed in claim 1, wherein the microalgae biological reaction tank (6) is connected with the terminal clean water tank (7) through a membrane bioreactor (11), and the concentration of the microalgae in the microalgae biological reaction tank (6) is kept above 1.5 g/L.
5. A circulating mariculture system based on a microalgae-strain bioreactor comprises a culture pond (1), and is characterized in that: breed pond (1) and be connected with anaerobism reaction tank (3) through pipeline and pipe fitting, anaerobism reaction tank (3) are connected with aerobic bacteria reaction tank (4) through pipeline and pipe fitting, aerobic bacteria reaction tank (4) have connect gradually ultraviolet sterilizer (5), little algae biological reaction tank (6) through pipeline and pipe fitting in proper order, at little algae biological reaction tank (6) inside water pump (8) that is provided with, water pump (8) are connected with breed pond (1) through pipeline and pipe fitting.
6. The microalgae-species-bioreactor-based circulating mariculture system of claim 5, wherein: the water pump (8) is a UV water pump.
7. The microalgae-species-bioreactor-based circulating mariculture system of claim 5, wherein: the microalgae biological reaction tank (6) is communicated with the membrane bioreactor (11) through a water pump (8) and then is connected to the culture tank (1).
8. The microalgae-species-bioreactor-based circulating mariculture system of claim 5, wherein: a light band for promoting the photosynthesis of the algae is arranged above the microalgae biological reaction tank (6).
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| CN201921472035.XU CN210642011U8 (en) | 2019-09-05 | 2019-09-05 | Circulating seawater culture system based on microalgae-strain bioreactor |
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| CN201921472035.XU CN210642011U8 (en) | 2019-09-05 | 2019-09-05 | Circulating seawater culture system based on microalgae-strain bioreactor |
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| CN110463647A (en) * | 2019-09-05 | 2019-11-19 | 威海金屹环保科技有限公司 | Based on microalgae-strain bio reactor circulating seawer cultivating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110463647A (en) * | 2019-09-05 | 2019-11-19 | 威海金屹环保科技有限公司 | Based on microalgae-strain bio reactor circulating seawer cultivating system |
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| CU01 | Correction of utility model patent |
Correction item: Address Correct: No.4 workshop, No.8 steel structure workshop, Zhongke Industrial Park, No.12 Fengchao street, Weihai Economic and Technological Development Zone, Shandong Province False: Workshop 4, No. 8 steel structure workshop, Zhongke Industrial Park, No. 12, Fengchao street, Linyi Economic and Technological Development Zone, Shandong Province Number: 23-01 Volume: 36 Correction item: Address Correct: No.4 workshop, No.8 steel structure workshop, Zhongke Industrial Park, No.12 Fengchao street, Weihai Economic and Technological Development Zone, Shandong Province False: Workshop 4, No. 8 steel structure workshop, Zhongke Industrial Park, No. 12, Fengchao street, Linyi Economic and Technological Development Zone, Shandong Province Number: 23-01 Page: The title page Volume: 36 |
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| CU01 | Correction of utility model patent |