Photobioreactor for microalgae culture

Abstract

The photobioreactor comprises a first motor, an oxygen increasing device, a fluorescent lamp, a magnetic cleaning ring and a magnetic traction frame, the first motor is arranged on the left side of the oxygen increasing device, the oxygen increasing device is arranged on a supporting rod, a fixing sleeve is arranged on the left side of the supporting rod, a supporting pipe is arranged below the supporting rod, and the fluorescent lamp is arranged on the supporting pipe. A water inlet pipe is installed on the right side of the water pump and connected with a water outlet funnel, a sealed transparent water tank is arranged above the water outlet funnel, a water outlet pipe is arranged on the left side of the sealed transparent water tank, a magnetic traction frame is arranged on the left side of the water outlet pipe, and a third motor is installed on the magnetic traction frame. According to the equipment, the sealed transparent water tank is in sliding connection with the internal magnetic cleaning ring, the magnetic traction frame driven by the third motor is matched, cleaning operation on the interior of the sealed transparent water tank can be achieved, the trouble of manual operation is reduced, and the production efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of photobioreactors, in particular to a photobioreactor for cultivating microalgae. Background Art

[0002] Microalgae are seen as an exciting source of plant proteins and nutrients in food supplements, which are beneficial to health. Microalgae are very common in nature, and industrial farming is an efficient large-scale production method. Photobioreactors (PBR) can produce large quantities of stable, high-quality, uncontaminated microalgae. However, existing photobioreactors have some shortcomings, such as:

[0003] The photobioreactor described in Publication No. CN201309929Y includes a tubular reactor group, which is formed by an interactive arrangement of tubular main body terraces; the main body is composed of an upper portion and a lower arc portion to form a closed tubular enclosed space, and the main body includes a transparent portion and a breathable portion. Since the equipment adopts a sealed design, algae will hang on the wall for a long time, thereby affecting the transmittance and reducing the supplement of the light source.

[0004] Therefore, we proposed a photobioreactor for microalgae cultivation in order to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a photobioreactor for cultivating microalgae, so as to solve the problem that the photobioreactors on the existing market adopt a sealed design and algae will hang on the wall for a long time, thereby affecting the light transmittance and reducing the supplement of the light source.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photobioreactor for cultivating microalgae, comprising a first motor, an aerator, a fluorescent lamp, a magnetic cleaning ring and a magnetic traction frame;

[0007] The first motor is on the left side of the aerator, the aerator is on the support rod, a fixing sleeve is arranged on the left side of the support rod, and a support pipe is arranged below the support rod, a lampshade, a fluorescent lamp and a control electric box are installed between the support rods, a support base is arranged below the support rod, a water pump and a second motor are installed on the left side of the support base, a water inlet pipe is installed on the right side of the water pump, and the water inlet pipe is connected to the water outlet funnel;

[0008] A sealed transparent water tank is arranged above the water outlet funnel, a water outlet pipe is arranged on the left side of the sealed transparent water tank, and a magnetic cleaning ring is installed inside the sealed transparent water tank of the water outlet pipe, a magnetic traction frame is arranged on the left side of the water outlet pipe, a third motor is installed on the magnetic traction frame, and a gearbox and a traction wheel are arranged on the right side of the third motor.

[0009] Preferably, the first motor is fixedly connected to the left side of the aerator, the left side of the aerator is fixedly connected above the support rod, the support rod is fixedly installed above the support tube to form a rectangular frame, and a fixed sleeve is fixedly connected to the left midline position of the support rod;

[0010] By adopting the above technical solution, the oxygen enrichment equipment can be installed in a suitable position through the support rod, ensuring that the gas cylinder connected by the pipeline can provide carbon dioxide to the microalgae in time, thereby ensuring the stability of the internal environment.

[0011] Preferably, six lampshades are fixedly connected in the middle of the support tube below the right side of the support rod, and fluorescent lamps are installed in the lampshades. The third and second lampshades from bottom to top are fixedly connected to the right side of the control box;

[0012] By adopting the above technical solution, a large number of fluorescent lamps can provide sufficient lighting conditions for the growth of microalgae, thereby promoting the rapid growth of microalgae.

[0013] Preferably, the support tube at the lower right side of the support rod penetrates the magnetic traction frame, the magnetic traction frame is slidably connected to the support tube, a gearbox is fixedly connected to the center line of the magnetic traction frame, a third motor is installed on the left side of the gearbox, and a traction wheel is rotatably connected to the right side of the gearbox;

[0014] By adopting the above technical solution, the magnetic traction frame can be driven by the third motor to move, and the internal magnetic cleaning ring can realize internal self-cleaning to ensure light transmittance.

[0015] Preferably, the support pipe is fixedly connected to the diagonal line of the support base, a water pump is fixedly connected to the left midline of the support base, a second motor and a water inlet pipe are installed on the right side of the water pump, and a water outlet pipe and a water outlet are installed on the right side of the water pump, the water outlet is obliquely placed inside the sealed transparent water tank, and the water outlet pipeline is L-shaped with an opening at the bend and closed by a pipe cover;

[0016] By adopting the above technical solution, the internal water circulation is realized through the second motor and water pump at the bottom to ensure the stability of the internal environment.

[0017] Preferably, the water outlet funnel above the midpoint of the support base is fixedly connected to the water inlet pipe, a sealed transparent water tank is fixedly connected above the water outlet funnel, and the sealed transparent water tank is slidably connected to the internal magnetic cleaning ring;

[0018] By adopting the above technical solution, the bottom is filled unevenly through the water outlet funnel, which can reduce the stagnation of the bottom water flow and accelerate the growth of microalgae.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. Since the equipment is connected by sliding between the sealed transparent water tank and the internal magnetic cleaning ring, the magnetic traction frame driven by the third motor can realize the cleaning operation inside the sealed transparent water tank, reducing the trouble of manual operation and ensuring production efficiency;

[0021] 2. The equipment forms a circulation pipeline through the bottom water outlet funnel, the water inlet pipe, the second motor and the water pump, and the water outlet, which can ensure the stability of the internal environment, increase the activity of microalgae and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a right-side stereoscopic structural schematic diagram of the utility model;

[0023] Figure 2 It is a right view structural schematic diagram of the utility model;

[0024] Figure 3 It is a left-side stereoscopic structural schematic diagram of the utility model;

[0025] Figure 4 It is a schematic diagram of the top view structure of the utility model;

[0026] Figure 5 It is a schematic diagram of the right side three-dimensional cross-sectional structure of the utility model;

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from the left side.

[0028] In the figure: 1. first motor; 2. aerator; 3. fluorescent lamp; 4. control electric box; 5. lampshade; 6. support pipe; 7. water outlet; 8. second motor; 9. support base; 10. third motor; 11. support rod; 12. water outlet pipe; 13. water inlet pipe; 14. fixing sleeve; 15. transparent water tank; 16. water outlet funnel; 17. water pump; 18. support leg; 19. gearbox; 20. traction wheel; 21. magnetic cleaning ring; 22. magnetic traction frame. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-6The utility model provides a technical solution: a photobioreactor for microalgae cultivation, comprising a first motor 1, an aerator 2, a fluorescent lamp 3, a control electric box 4, a lampshade 5, a support pipe 6, a water outlet 7, a second motor 8, a support base 9, a third motor 10, a support rod 11, a water outlet pipe 12, a water inlet pipe 13, a fixing sleeve 14, a sealed transparent water tank 15, a water outlet funnel 16, a water pump 17, a support leg 18, a gearbox 19, a traction wheel 20, a magnetic cleaning ring 21 and a magnetic traction frame 22;

[0031] The first motor 1 is on the left side of the aerator 2, the first motor 1 is fixedly connected to the left side of the aerator 2, the left side of the aerator 2 is fixedly connected to the top of the support rod 11, the support rod 11 is fixedly installed on the top of the support tube 6 to form a rectangular frame, the left midline position of the support rod 11 is fixedly connected with a fixing sleeve 14, the aeration equipment can be installed in a suitable position through the support rod 11, it is ensured that the gas cylinder connected through the pipeline can provide carbon dioxide to the microalgae in time, and the stability of the internal environment is guaranteed, the aerator 2 is on the support rod 11, the left side of the support rod 11 is provided with a fixing sleeve 14, and the support tube 6 is provided below the support rod 11;

[0032] Six lampshades 5 are fixedly connected in the middle of the support tube 6 at the lower right side of the support rod 11, and fluorescent lamps 3 are installed in the lampshades 5. The third and second lampshades 5 from bottom to top are fixedly connected to the right side with a control box 4. A large number of fluorescent lamps 3 can provide sufficient lighting conditions for the growth of microalgae, thereby promoting the rapid growth of microalgae. The support tube 6 at the lower right side of the support rod 11 passes through the magnetic traction frame 22, and the magnetic traction frame 22 is slidably connected to the support tube 6. A gearbox 19 is fixedly connected on the center line of the magnetic traction frame 22, and a third motor 10 is installed on the left side of the gearbox 19, and a traction wheel 20 is rotatably connected to the right side of the gearbox 19. The third motor 10 can drive the magnetic traction frame 22 to move, and cooperate with the internal magnetic cleaning ring 21 to achieve internal self-cleaning to ensure light transmittance.

[0033] A lampshade 5, a fluorescent lamp 3 and a control box 4 are installed between the support rods 11, a support base 9 is arranged below the support rods 11, a support pipe 6 is fixedly connected to the diagonal line of the support base 9, a water pump 17 is fixedly connected to the left midline of the support base 9, a second motor 8 and a water inlet pipe 13 are installed on the right side of the water pump 17, and a water outlet pipe 12 and a water outlet 7 are installed on the right side of the water pump 17, the water outlet 7 is obliquely arranged inside the sealed transparent water tank 15, and the water outlet 7 pipeline is L-shaped with an opening at the bend and closed by a pipe cover, and the internal water flow is circulated through the second motor 8 and the water pump 17 at the bottom to ensure the stability of the internal environment;

[0034] A water pump 17 and a second motor 8 are installed on the left side of the support base 9, and a water inlet pipe 13 is installed on the right side of the water pump 17. The water inlet pipe 13 is connected to the water outlet funnel 16. A sealed transparent water tank 15 is arranged above the water outlet funnel 16, and a water outlet pipe 12 is arranged on the left side of the sealed transparent water tank 15. A magnetic cleaning ring 21 is installed inside the sealed transparent water tank 15 of the water outlet pipe, and a magnetic traction frame 22 is arranged on the left side of the water outlet pipe 12. A third motor 10 is installed on the magnetic traction frame 22, and a gearbox 19 and a traction wheel 20 are arranged on the right side of the third motor 10. The water outlet funnel 16 above the midpoint of the support base 9 is fixedly connected to the water inlet pipe 13, and a sealed transparent water tank 15 is fixedly connected above the water outlet funnel 16. The sealed transparent water tank 15 is slidably connected to the internal magnetic cleaning ring 21. The water outlet funnel 16 allows the bottom to be in an uneven filling state, which can reduce the stillness of the bottom water flow and accelerate the growth of microalgae.

[0035] Working principle: When using the photobioreactor for cultivating microalgae, firstly, put the required materials and water into the opening of the outlet pipe 12 on the left side of the sealed transparent water tank 15, tighten and close the pipe cover, then connect the carbon dioxide gas cylinder to the oxygenator 2, and then start the equipment, start the fluorescent lamp 3 on the right side of the support base 9, and the light is concentrated by the lampshade 5, then the water pump 17 and the second motor 8 start to run, and the water will pass through the water outlet funnel 16 to the water inlet pipe 13 and then be sent from the water pump 17 to the water outlet 7, and circulate inside the sealed transparent water tank 15. At the same time, the first motor 1 and the oxygenator 2 provide carbon dioxide to the inside through the pipeline. Carbon, the pipeline is vertically placed at the bottom from the top center position of the sealed transparent water tank 15, and the water outlet 7 is tilted to allow the internal water to rotate slowly, which can fully combine water and oxygen. After a period of use, when microalgae hang on the wall, the third motor 10 is started by controlling the electric box 4. The third motor 10 drives the traction wheel 20 through the gearbox 19 and connects the fixed sleeve 14 through a rope, and drives the magnetic traction frame 22 to slide vertically on the support tube 6. The magnetic cleaning ring 21 inside the sealed transparent water tank 15 cleans the inside of the sealed transparent water tank 15 under the magnetic traction action of the magnetic traction frame 22.

[0036] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A photobioreactor for cultivating microalgae, comprising a first motor (1), an aerator (2), a fluorescent lamp (3), a magnetic cleaning ring (21) and a magnetic traction frame (22), characterized in that: The first motor (1) is on the left side of the aerator (2), the aerator (2) is on the support rod (11), a fixing sleeve (14) is arranged on the left side of the support rod (11), and a support tube (6) is arranged below the support rod (11), a lampshade (5), a fluorescent lamp (3) and a control electric box (4) are installed between the support rods (11), a support base (9) is arranged below the support rods (11), a water pump (17) and a second motor (8) are installed on the left side of the support base (9), a water inlet pipe (13) is installed on the right side of the water pump (17), and the water inlet pipe (13) is connected to a water outlet funnel (16); A sealed transparent water tank (15) is arranged above the water outlet funnel (16), a water outlet pipe (12) is arranged on the left side of the sealed transparent water tank (15), and a magnetic cleaning ring (21) is installed inside the water outlet pipe sealed transparent water tank (15), a magnetic traction frame (22) is arranged on the left side of the water outlet pipe (12), a third motor (10) is installed on the magnetic traction frame (22), and a gearbox (19) and a traction wheel (20) are arranged on the right side of the third motor (10).

2. The photobioreactor for cultivating microalgae according to claim 1, characterized in that: The first motor (1) is fixedly connected to the left side of the aerator (2), the left side of the aerator (2) is fixedly connected above the support rod (11), the support rod (11) is fixedly installed above the support tube (6) to form a rectangular frame, and a fixing sleeve (14) is fixedly connected to the left midline position of the support rod (11).

3. The photobioreactor for cultivating microalgae according to claim 2, characterized in that: Six lampshades (5) are fixedly connected in the middle of the support tube (6) below the right side of the support rod (11), and fluorescent lamps (3) are installed in the lampshades (5). The right sides of the third and second lampshades (5) from bottom to top are fixedly connected to a control electric box (4).

4. The photobioreactor for cultivating microalgae according to claim 2, characterized in that: A support tube (6) at the lower right side of the support rod (11) penetrates a magnetic traction frame (22), the magnetic traction frame (22) is slidably connected to the support tube (6), a gearbox (19) is fixedly connected on the center line of the magnetic traction frame (22), a third motor (10) is installed on the left side of the gearbox (19), and a traction wheel (20) is rotatably connected on the right side of the gearbox (19).

5. The photobioreactor for culturing microalgae according to claim 1, characterized in that: The support pipe (6) is fixedly connected to the diagonal line of the support base (9); a water pump (17) is fixedly connected to the left midline of the support base (9); a second motor (8) and a water inlet pipe (13) are installed on the right side of the water pump (17); and a water outlet pipe (12) and a water outlet (7) are installed on the right side of the water pump (17); the water outlet (7) is obliquely arranged inside the sealed transparent water tank (15); and the water outlet (7) pipeline is L-shaped and has an opening at the bend that is closed by a pipe cover.

6. The photobioreactor for cultivating microalgae according to claim 5, characterized in that: A water outlet funnel (16) is fixedly connected to the water inlet pipe (13) above the midpoint of the support base (9), a sealed transparent water tank (15) is fixedly connected above the water outlet funnel (16), and the sealed transparent water tank (15) is slidably connected to an internal magnetic cleaning ring (21).

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