Microalgae culture device based on photovoltaic power generation

The photovoltaic-powered microalgae cultivation device, utilizing temperature and nutrient control mechanisms, combined with air pumps and exposure pneumatic components, solves the problems of uneven flow and cell damage in microalgae cultivation systems, achieving uniform flow of the culture medium and efficient light absorption, while reducing energy consumption.

CN224031011UActive Publication Date: 2026-03-24江西赣能股份有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing microalgae raceway aquaculture systems, mechanical stirring paddles can easily cause algal cell damage, resulting in local dead zones, uneven nutrient distribution, low light absorption efficiency, and insufficient carbon dioxide aeration.

Method used

The microalgae cultivation device, based on photovoltaic power generation, is powered by solar panels. Through temperature control, cultivation, and nutrient mechanisms, combined with air pumps and exposure pneumatic components, it achieves uniform circulation and automatic temperature control of the culture medium, avoids violent turbulence, and provides power and nutrients.

Benefits of technology

It achieves uniform flow of culture medium, protects algal cells, avoids local dead zones and uneven nutrient distribution, improves light absorption efficiency, reduces equipment energy consumption, enhances the synergy between carbon dioxide and water flow, and reduces energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of microalgae cultivation, in particular to a microalgae cultivation device based on photovoltaic power generation, which comprises a circulating runway, a master controller is arranged on one side of the circulating runway, two groups of support plates are symmetrically and fixedly connected to the middle of the circulating runway, and a solar panel is arranged at the top end of the circulating runway. A storage battery is arranged in the middle of the circulating runway, temperature control mechanisms used for accurately controlling the environment are arranged at the two ends of the circulating runway, a breeding mechanism used for providing power and increasing air is arranged in the circulating runway, and a nutrient mechanism used for supplying nutrients is arranged on the lower middle portion of the circulating runway. According to the device, the culture solution is pushed by air to circularly flow, so that damage to microalgae in the culture solution can be avoided, the phenomenon of violent turbulence is avoided, and the culture solution in the circulating runway can uniformly and comprehensively flow through the exposure pneumatic parts at different positions on the two sides of the circulating runway.
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Description

TECHNICAL FIELD

[0001] The utility model relates to microalgae cultivation technical field, concretely is a kind of microalgae cultivation device based on photovoltaic power generation. BACKGROUND

[0002] In microalgae runway pool cultivation system, the circulation of culture solution is the key to maintain the uniform suspension of microalgae, promote gas exchange and light absorption, and generally uses mechanical stirring paddle, air-lift circulation or centrifugal pump to drive water flow, so that the culture solution in the microalgae runway pool cultivation system circulates.

[0003] At present, the existing mechanical stirring paddle rotates at high speed, which is easy to produce severe turbulence, especially for fragile algae species such as diatoms and green algae, which has a significant impact, and is easy to cause cell damage. Secondly, the pushing direction of the traditional impeller is single and fluctuates with the speed, which is easy to form a local dead zone in the pool, resulting in uneven distribution of nutrients and decreased light absorption efficiency. At the same time, carbon dioxide aeration is difficult to fully cooperate with water flow. SUMMARY

[0004] The utility model aims at solving the shortcomings in the above background art, and provides a kind of microalgae cultivation device based on photovoltaic power generation.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of microalgae cultivation device based on photovoltaic power generation, including circulation runway, the one side of the circulation runway is provided with total controller, the middle part of the circulation runway is fixedly connected with two groups of support plates, the top of the circulation runway is provided with solar panel, the middle part of the circulation runway is provided with battery, the two ends of the circulation runway are provided with temperature control mechanism for accurately controlling environment, the inside of the circulation runway is provided with cultivation mechanism for providing power and increasing air, the middle lower part of the circulation runway is provided with nutrient mechanism for supplying nutrition.

[0006] Preferably, the control end of the total controller is electrically connected with the battery, and the output end of the solar panel is electrically connected with the input end of the battery, so as to facilitate the user to control the device to work automatically.

[0007] Preferably, the temperature control mechanism includes side pull plate, the two ends of the circulation runway are connected with side pull plate through shaft, the two ends of the circulation runway are symmetrically provided with temperature detection sensor, the bottom end of one group of side pull plate is fixedly connected with refrigeration fin, and the refrigeration fin is located in the middle upper part of the circulation runway, the bottom end of the refrigeration fin is uniformly fixedly connected with first radiating fin, the bottom end of one group of side pull plate is fixedly connected with heating plate, and the heating plate is located in the middle lower part of the circulation runway, the middle part of the heating plate is uniformly fixedly connected with second radiating fin, so as to facilitate the device to automatically control temperature.

[0008] Preferably, the control ends of the temperature detection sensors are electrically connected with the general controller, and the control ends of the refrigerating sheet and the heating plate are electrically connected with the general controller through the temperature detection sensors, so that the user can control the device to work automatically.

[0009] Preferably, the breeding mechanism comprises an air pump, one end of the circulation track is provided with the air pump, the circulation track is uniformly and fixedly connected with three groups of connecting rods on two sides, one end of each of the connecting rods is fixedly connected with an exposure pneumatic element, and the exposure pneumatic elements are located at the middle part of the circulation track respectively, two ends of the exposure pneumatic element are hollow circular table shape and hollow cone barrel shape respectively, the directions of the cone barrel shaped ends of the exposure pneumatic elements on the same side are the same, the exposure pneumatic elements on the two sides of the circulation track are used in cooperation to form the circulation of the liquid inside, the exposure pneumatic elements on the two sides of the circulation track are located at the outer side inner wall, the middle part and the inner side inner wall respectively, the inner wall of the circulation track is symmetrically provided with connecting air pipes, one end of each of the connecting air pipes is connected with the output end of the air pump, one end of each of the exposure pneumatic elements is provided with a first air channel, the inside of each of the connecting rods is provided with a second air channel, two ends of the second air channel are connected with the connecting air pipe and the first air channel respectively, the inside of each of the exposure pneumatic elements is uniformly provided with a third air channel, one end of each of the third air channels is connected with the first air channel respectively, the inner wall of the cone barrel shaped end of each of the exposure pneumatic elements is uniformly provided with a jet channel, one end of each of the jet channels is connected with the third air channel respectively, one end of each of the jet channels close to each other points to the center line of the exposure pneumatic element, one end of each of the jet channels is fixedly connected with an elastic plug, and the center of the elastic plug is provided with a cross-shaped flow hole, so that the device can circulate.

[0010] Preferably, the control end of the air pump is electrically connected with the general controller, so that the user can control the device to work automatically.

[0011] Preferably, the nutrient mechanism comprises a liquid storage tank, one end of the circulation track is provided with the liquid storage tank, the inner wall of the circulation track is provided with four groups of nozzles, the included angle between each of the nozzles and the inner wall of the circulation track is 60 degrees, one end of the liquid storage tank is provided with a water pump, the inner wall of the circulation track is provided with two groups of connecting pipes, one end of each of the connecting pipes is connected with the output end of the water pump respectively, one end of each of the nozzles is connected with the connecting pipe respectively, each of the nozzles is located at the two sides of the circulation track, the directions of the nozzles on the two sides of the circulation track are opposite, and nutrients can be provided for the microalgae.

[0012] Preferably, the control end of the water pump is electrically connected with the general controller, so that the user can control the device to work automatically.

[0013] The device can be powered by a solar panel and a battery, the culture solution inside the circulating runway can be heated by a heating plate and second heat dissipation fins, the culture solution can be cooled by a refrigeration sheet and first heat dissipation fins, the temperature of the culture solution can be detected by a temperature detection sensor, and real-time monitoring and automatic temperature control can be realized by a general controller.

[0014] The air pump, the connecting air pipe and the second air passage can make the air enter the first air passage and the third air passage and then be uniformly sprayed through the air injection passage, and the culture solution flow can be powered, so that the culture solution inside the circulating runway flows circularly; the air-powered culture solution circulation can avoid damaging the microalgae in the culture solution and can also avoid the phenomenon of violent turbulence, so that the microalgae in the culture solution can be protected.

[0015] The exposure pneumatic element at different positions on both sides of the circulating runway can make the culture solution in the circulating runway flow uniformly and comprehensively, avoid local dead zones in the circulating runway, and also avoid uneven nutrient distribution, thereby reducing the light absorption efficiency; the air-powered mode can not only reduce the use of equipment, but also increase the full cooperation of carbon dioxide in the air and water flow, avoid the carbon dioxide in the water not being supplemented in time, and also reduce the energy consumption; the elastic plug can block the culture solution from entering the inside of the air injection passage, thereby avoiding the phenomenon of backflow and backwash.

[0016] The water pump can make the nutrient solution in the liquid storage tank enter the connecting pipe and then be uniformly sprayed to the culture solution through the spray head, so as to provide nutrients for the microalgae in the culture solution; since the spraying direction of the spray head is the same as the circulation direction of the culture solution, the circulation of the culture solution can also be powered, thereby further facilitating the circulation of the culture solution. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the utility model;

[0018] Figure 2 It is a sectional perspective view of the utility model;

[0019] Figure 3 It is a perspective view of the refrigeration sheet, the first heat dissipation fin and the second heat dissipation fin in the utility model;

[0020] Figure 4 It is a perspective view of the air pump, the connecting rod and the exposure pneumatic element in the utility model;

[0021] Figure 5 It is a sectional perspective view of the first air passage, the third air passage and the air injection passage in the utility model;

[0022] Figure 6The utility model discloses a three-dimensional schematic view of liquid storage tank, spray head and connecting pipe.

[0023] In the drawing: 1, circular runway; 2, total controller; 3, support plate; 4, solar panel; 5, battery; 6, side pull plate; 7, temperature detection sensor; 8, refrigeration piece; 9, first radiating fin; 10, heating plate; 11, second radiating fin; 12, air pump; 13, connecting rod; 14, exposure pneumatic element; 15, connecting air pipe; 16, first air channel; 17, second air channel; 18, third air channel; 19, air injection channel; 20, elastic plug; 21, liquid storage tank; 22, spray head; 23, connecting pipe; 24, water pump. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-6 The utility model provides an embodiment:

[0026] A microalgae cultivation device based on photovoltaic power generation, comprising a circular runway 1, one side of the circular runway 1 is provided with a total controller 2, two groups of support plates 3 are symmetrically and fixedly connected to the middle part of the circular runway 1, a solar panel 4 is arranged at the top end of the circular runway 1, a battery 5 is arranged in the middle part of the circular runway 1, temperature control mechanisms for accurately controlling the environment are arranged at both ends of the circular runway 1, cultivation mechanisms for providing power and increasing air are arranged in the circular runway 1, and nutrient mechanisms for supplying nutrients are arranged in the middle and lower parts of the circular runway 1.

[0027] Further, the temperature control mechanism comprises side pull plates 6, both ends of the circulating runway 1 are connected with the side pull plates 6 through rotating shafts, both ends of the circulating runway 1 are symmetrically provided with temperature detection sensors 7, the bottom ends of a group of side pull plates 6 are fixedly connected with refrigerating fins 8, and the refrigerating fins 8 are located at the middle upper part of the circulating runway 1, the bottom ends of the refrigerating fins 8 are uniformly fixedly connected with first heat dissipation fins 9, the bottom ends of a group of side pull plates 6 are fixedly connected with heating plates 10, and the heating plates 10 are located at the middle lower part of the circulating runway 1, the middle parts of the heating plates 10 are uniformly fixedly connected with second heat dissipation fins 11, the heating plates 10 can heat the culture solution in the circulating runway 1, the second heat dissipation fins 11 can accelerate heat dissipation, the refrigerating fins 8 can cool the culture solution, the first heat dissipation fins 9 can also accelerate cooling, the temperature detection sensors 7 can detect the temperature of the culture solution, and the real-time monitoring and automatic temperature control can be realized in cooperation with the general controller 2, so that the automatic temperature control of the device is facilitated.

[0028] Further, the breeding mechanism comprises the air pump 12, one end of the circulating runway 1 is provided with the air pump 12, the two sides of the circulating runway 1 are uniformly and fixedly connected with three groups of connecting rods 13, one end of the connecting rod 13 is fixedly connected with the exposure pneumatic element 14, and the exposure pneumatic element 14 is located at the middle part of the circulating runway 1 respectively, the two ends of the exposure pneumatic element 14 are hollow circular table shape and hollow cone barrel shape respectively, the direction of the cone barrel shape end of the exposure pneumatic element 14 located at the same side is same, the exposure pneumatic elements 14 on the two sides of the circulating runway 1 are used in cooperation to form the internal liquid circulation flow, the exposure pneumatic elements 14 on the two sides of the circulating runway 1 are located at the outer side inner wall, the middle part and the inner side inner wall respectively, the inner wall of the circulating runway 1 is symmetrically provided with the connecting air pipe 15, one end of the connecting air pipe 15 is connected with the output end of the air pump 12, one end of the exposure pneumatic element 14 is provided with the first air channel 16, the inside of the connecting rod 13 is provided with the second air channel 17, the two ends of the second air channel 17 are connected with the connecting air pipe 15 and the first air channel 16 respectively, the inside of the exposure pneumatic element 14 is uniformly provided with the third air channel 18, one end of the third air channel 18 is connected with the first air channel 16 respectively, the inner wall of the cone barrel shape end of the exposure pneumatic element 14 is uniformly provided with the air jet channel 19, one end of the air jet channel 19 is connected with the third air channel 18 respectively, the end of the air jet channel 19 close to each other is directed to the center line of the exposure pneumatic element 14, one end of the air jet channel 19 is fixedly connected with the elastic plug 20, the center of the elastic plug 20 is provided with the cross-shaped flow hole, after the user starts the air pump 12, the air pump 12 sends the air into the connecting air pipe 15, then the air enters the first air channel 16 and the third air channel 18 through the second air channel 17, and finally the air is sprayed out through the middle flow hole of the elastic plug 20 in the inclined air jet channel 19, because one end of the exposure pneumatic element 14 is cone barrel shape, the air can be gathered and concentrated to be sprayed out from the small end of the exposure pneumatic element 14, which provides power for the flow of the culture solution, so that the culture solution in the circulating runway 1 circulates, the air-driven circulation flow of the culture solution can avoid damaging the microalgae in the culture solution, and can also avoid the phenomenon of violent turbulent flow, so as to protect the microalgae in the culture solution, the exposure pneumatic elements 14 at different positions on the two sides of the circulating runway 1 can make the culture solution in the circulating runway 1 flow uniformly and comprehensively, avoid the local dead zone in the circulating runway 1, and also avoid the uneven distribution of nutrients, so as to reduce the efficiency of light absorption, at the same time, the air-driven mode can not only reduce the use of equipment, but also increase the full cooperation of carbon dioxide in the air and water flow, avoid the timely supplement of carbon dioxide in water, and also reduce the consumption of energy, the elastic plug 20 can block the culture solution from entering the inside of the air jet channel 19, avoid the phenomenon of backflow and backwash, and make the device circulate;

[0029] Further, the nutrient mechanism comprises a liquid storage tank 21, one end of the circulating runway 1 is provided with the liquid storage tank 21, the inner wall of the circulating runway 1 is provided with four groups of spray heads 22, and the included angle between each spray head 22 and the inner wall of the circulating runway 1 is 30 degrees, one end of the liquid storage tank 21 is provided with a water pump 24, the inner wall of the circulating runway 1 is provided with two groups of connecting pipes 23, one end of each connecting pipe 23 is connected with the output end of the water pump 24, one end of each spray head 22 is connected with the connecting pipe 23, and each spray head 22 is located on the two sides of the circulating runway 1, the directions of the spray heads 22 on the two sides of the circulating runway 1 are opposite, the user starts the water pump 24, the nutrient solution in the liquid storage tank 21 can enter the connecting pipe 23 through the water pump 24, and finally sprayed to the culture solution through the spray head 22, so as to provide nutrients for the microalgae in the culture solution, and since the spraying direction of the spray head 22 is the same as the circulating flow direction of the culture solution, the circulating flow of the culture solution can also be powered, so that the circulating flow of the culture solution can provide nutrients for the microalgae;

[0030] Further, the control end of the total controller 2 is electrically connected with the storage battery 5, the output end of the solar panel 4 is electrically connected with the input end of the storage battery 5, the control end of the temperature detection sensor 7 is electrically connected with the total controller 2, the control end of the refrigeration piece 8 and the heating plate 10 is electrically connected with the total controller 2 through the temperature detection sensor 7, the control end of the air pump 12 is electrically connected with the total controller 2, and the control end of the water pump 24 is electrically connected with the total controller 2, so that the user can control the automatic work of the device.

[0031] When the user uses the device, the user controls the device to work automatically through the general controller 2, the device is powered by the solar panel 4 during the day and the battery 5 is charged, and the device can be powered by the battery 5 at night, thereby reducing energy consumption, the culture solution inside the circulating runway 1 can be heated through the heating plate 10, the heat dissipation can be accelerated through the second heat dissipation fin 11, the culture solution can be cooled through the refrigeration fin 8, the cooling can also be accelerated through the first heat dissipation fin 9, the temperature of the culture solution can be detected through the temperature detection sensor 7, and real-time monitoring and automatic temperature control can be realized in cooperation with the general controller 2, after the user starts the air pump 12, the air pump 12 sends air into the connecting air pipe 15, and then the air enters the first air channel 16 and the third air channel 18 through the second air channel 17, and finally is sprayed out through the middle flow hole of the elastic plug 20 in the inclined air jet channel 19. Since one end of the exposure pneumatic element 14 is in the shape of a cone barrel, air can be collected and sprayed out from the small end of the exposure pneumatic element 14, thereby providing power for the flow of the culture solution, so that the culture solution in the circulating runway 1 flows in a circulating manner. The culture solution is circulated by air to avoid damage to microalgae in the culture solution and to prevent violent turbulent flow, thereby protecting the microalgae in the culture solution. The exposure pneumatic element 14 at different positions on both sides of the circulating runway 1 can make the culture solution in the circulating runway 1 flow uniformly and comprehensively, avoid local dead zones in the circulating runway 1, and also avoid uneven nutrient distribution, thereby reducing the efficiency of light absorption. At the same time, the air-driven mode not only reduces the use of equipment, but also increases the full cooperation of carbon dioxide and water flow in the air, avoids the timely replenishment of carbon dioxide in water, and also reduces energy consumption. The elastic plug 20 can block the culture solution from entering the inside of the air jet channel 19, thereby avoiding the phenomenon of backflow and backwash. The user starts the water pump 24, the nutrient solution in the liquid storage tank 21 enters the connecting pipe 23 through the water pump 24, and finally is uniformly sprayed to the culture solution through the spray head 22, thereby providing nutrients for the microalgae in the culture solution. At the same time, since the spraying direction of the spray head 22 is the same as the circulating flow direction of the culture solution, the circulating flow of the culture solution can also be powered, thereby further facilitating the circulating flow of the culture solution.

[0032] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A microalgae cultivation device based on photovoltaic power generation, comprising a circulating raceway (1), characterized in that, A main controller (2) is provided on one side of the circulating track (1). Two sets of support plates (3) are symmetrically fixedly connected in the middle of the circulating track (1). A solar panel (4) is provided at the top of the circulating track (1). A storage battery (5) is provided in the middle of the circulating track (1). Temperature control mechanisms for precise environmental control are provided at both ends of the circulating track (1). An aquaculture mechanism for providing power and increasing air is provided inside the circulating track (1). A nutrient supply mechanism for supplying nutrients is provided in the lower middle part of the circulating track (1).

2. The microalgae cultivation device based on photovoltaic power generation according to claim 1, characterized in that: The control terminal of the main controller (2) is electrically connected to the storage battery (5), and the output terminal of the solar panel (4) is electrically connected to the input terminal of the storage battery (5).

3. The microalgae cultivation device based on photovoltaic power generation according to claim 1, characterized in that: The temperature control mechanism includes a side pull plate (6). Both ends of the loop track (1) are connected to the side pull plate (6) via a rotating shaft. Temperature detection sensors (7) are symmetrically arranged at both ends of the loop track (1). A cooling plate (8) is fixedly connected to the bottom of a set of side pull plates (6), and the cooling plate (8) is located in the upper middle part of the loop track (1). The bottom of the cooling plate (8) is uniformly fixedly connected to a first heat dissipation fin (9). The bottom of a set of side pull plates (6) is fixedly connected to a heating plate (10), and the heating plate (10) is located in the lower middle part of the loop track (1). The middle part of the heating plate (10) is uniformly fixedly connected to a second heat dissipation fin (11).

4. A microalgae cultivation device based on photovoltaic power generation according to claim 3, characterized in that: The control terminals of the temperature detection sensor (7) are all electrically connected to the main controller (2), and the control terminals of the cooling chip (8) and the heating plate (10) are all electrically connected to the main controller (2) through the temperature detection sensor (7).

5. A microalgae cultivation device based on photovoltaic power generation according to claim 1, characterized in that: The aquaculture apparatus includes an air pump (12). An air pump (12) is installed at one end of the circulating track (1). Three sets of connecting rods (13) are evenly fixedly connected to both sides of the circulating track (1). An exposure pneumatic component (14) is fixedly connected to one end of each connecting rod (13). The exposure pneumatic components (14) are located in the middle of the circulating track (1). The two ends of the exposure pneumatic components (14) are hollow frustum and hollow cone, respectively. The cone-shaped ends of the exposure pneumatic components (14) on the same side are in the same direction. The exposure pneumatic components (14) on both sides of the circulating track (1) cooperate with each other to form the internal liquid circulation. The exposure pneumatic components (14) on both sides of the circulating track (1) are located on the outer inner wall, the middle and the inner inner wall, respectively. Connecting air pipes (15) are symmetrically arranged on the inner wall of the circulating track (1). One end of each connecting air pipe (15) is connected to the inner wall of the circulating track (1). The output end of the air pump (12) is connected. One end of the exposure pneumatic component (14) is provided with a first air passage (16). The inside of the connecting rod (13) is provided with a second air passage (17). The two ends of the second air passage (17) are respectively connected to the connecting air pipe (15) and the first air passage (16). The inside of the exposure pneumatic component (14) is provided with a third air passage (18). One end of the third air passage (18) is respectively connected to the first air passage (16). The inner wall of the cone-shaped end of the exposure pneumatic component (14) is provided with a jet passage (19). One end of the jet passage (19) is respectively connected to the third air passage (18). The ends of the jet passages (19) that are close to each other all point to the center line of the exposure pneumatic component (14). One end of the jet passage (19) is fixedly connected with an elastic plug (20). The center of the elastic plug (20) is provided with a cross-shaped flow hole.

6. A microalgae cultivation device based on photovoltaic power generation according to claim 5, characterized in that: The control terminal of the air pump (12) is electrically connected to the main controller (2).

7. A microalgae cultivation device based on photovoltaic power generation according to claim 1, characterized in that: The nutrient mechanism includes a storage tank (21). The storage tank (21) is provided at one end of the circulating track (1). Four sets of nozzles (22) are provided on the inner wall of the circulating track (1), and the angle between each nozzle (22) and the inner wall of the circulating track (1) is 30 degrees. A water pump (24) is provided at one end of the storage tank (21). Two sets of connecting pipes (23) are provided on the inner wall of the circulating track (1), and one end of each connecting pipe (23) is connected to the output end of the water pump (24). One end of each nozzle (22) is connected to the connecting pipe (23). Each nozzle (22) is located on both sides of the circulating track (1), and the directions of the nozzles (22) on both sides of the circulating track (1) are opposite.

8. A microalgae cultivation device based on photovoltaic power generation according to claim 7, characterized in that: The control terminal of the water pump (24) is electrically connected to the main controller (2).