CN212102842U - Sealed transparent runway pool for cultivating microalgae - Google Patents
Sealed transparent runway pool for cultivating microalgae Download PDFInfo
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- CN212102842U CN212102842U CN202020327091.0U CN202020327091U CN212102842U CN 212102842 U CN212102842 U CN 212102842U CN 202020327091 U CN202020327091 U CN 202020327091U CN 212102842 U CN212102842 U CN 212102842U
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Abstract
The utility model relates to a breed transparent runway pond of closed of little algae belongs to little algae cultivation field, and this transparent runway pond of closed includes: the transparent closed runway is of an annular structure, and a channel for flowing of a culture solution is arranged in the transparent closed runway; the liquid propellers are arranged in the transparent closed runway at intervals; the two carbon supplementing devices are uniformly arranged in the transparent closed runway at intervals and are fixedly connected with the inner wall of the channel; the two flow baffle plates are uniformly arranged in the transparent dense closed runway at intervals and are fixedly connected with the inner wall of the channel; and the solar energy photo-control system is electrically connected with the plurality of liquid propellers and the two carbon supplementing devices respectively. The closed transparent raceway pond obviously improves the culture efficiency of microalgae and improves the biological quality of the microalgae.
Description
Technical Field
The utility model belongs to little algae cultivation field, concretely relates to breed transparent runway pond of closed of little algae.
Background
The microalgae is an autotrophic microalgae, and a small part of microalgae has the heterotrophic or mixotrophic capability, has the advantages of high photosynthetic rate, fast propagation and extremely strong environmental adaptation, and has important development and utilization values in the fields of renewable energy sources, health products, cosmetics, sewage treatment and the like. In recent years, traditional fossil energy is continuously developed, so that the storage capacity of the traditional fossil energy is less and less, and researchers are urgently needed to develop a renewable and environment-friendly energy to meet the requirement of human on energy, and the research is a problem to be solved urgently at present. Microalgae are receiving attention in various fields as a microorganism that can be developed.
Currently, there are two types of microalgae culture systems, open and closed, respectively. Open cells are usually raceway cells or round cells, and such cells are simple to operate and low cost, for example: the most typical open racetracks are designed by Oswald (1969). The runway takes natural light as a light source, and culture solution is mixed and circulated in the pool by the rotation of the paddle wheel. Closed type refers to closed type photo-bioreactors with different shapes and structures.
The environmental factors influencing the propagation of microalgae mainly include: illumination is a light source supplier for the growth of microalgae in an open raceway pond, the illumination intensity and the illumination time influence the growth of the microalgae, the illumination is weak in cloudy days, the growth of the microalgae is slow, no illumination is provided at night, and the growth of the microalgae is stopped; a carbon source which is one of elements necessary for the growth and metabolism of the microalgae, and is not provided, so that the life activities of the microalgae are stopped; however, the regular supplement of a proper amount of carbon dioxide can provide a carbon source for the growth of microalgae and regulate the pH value of the culture solution.
At present, carbon dioxide is directly introduced into the traditional open raceway pond, the method causes the absorption and utilization efficiency of the carbon dioxide to be low, and the unabsorbed carbon dioxide is released into the air, so that the greenhouse effect is intensified. The traditional raceway pond has the defects of easy bacterial infection of algae cells, low utilization rate of carbon dioxide and the like, and the density of the cultured microalgae cells is not high enough, so that the harvesting efficiency of the centrifugal machine is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a closed transparent runway pond for cultivating microalgae for solving the technical problems, which improves the cultivation efficiency of microalgae and the biological quality of microalgae.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a closed transparent raceway pond for cultivating microalgae, comprising:
the transparent closed runway is of an annular structure, and a channel for flowing of a culture solution is arranged in the transparent closed runway;
the liquid propellers are arranged in the transparent closed runway at intervals, and culture solution is pushed to flow in the channel by the liquid propellers;
the two carbon supplementing devices are uniformly arranged in the transparent closed runway at intervals and are fixedly connected with the inner wall of the channel;
the two flow baffles are uniformly arranged in the transparent closed runway at intervals and are fixedly connected with the inner wall of the channel;
and the solar energy photo-control system is electrically connected with the plurality of liquid propellers and the two carbon supplementing devices respectively.
The utility model has the advantages that: the culture solution is arranged in the transparent closed runway, so that the condition of carbon dioxide leakage cannot occur, the culture solution can be prevented from entering bacteria, meanwhile, a carbon supplementing device is arranged in the transparent closed runway, a carbon source can be supplemented to the microalgae culture solution in time, the amount of the supplemented carbon source can be adjusted according to actual requirements, and carbon dioxide is provided for the growth of algae cells at night and in cloudy days; in addition, the liquid pusher and the flow blocking device are arranged in the transparent closed runway, so that the microalgae culture solution can be prevented from being attached to a curve. Therefore, a series of growth problems of light limitation of microalgae at night and in cloudy days, bacterial infection of microalgae and the like are solved, the biological quality of the microalgae is greatly improved, and the culture efficiency of the microalgae is improved.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the carbon supplementing device comprises a bottom plate and a transparent cover, an aeration device is fixedly arranged on the bottom plate, the transparent cover is fixedly covered on the bottom plate, an opening is formed in the transparent cover in the flowing direction of the culture solution, the aeration device is electrically connected with the solar energy photo-control system, and the aeration device generates nitrogen dioxide and enters the culture solution through the opening.
The beneficial effect of adopting the further scheme is that: can supplement carbon dioxide in time and improve the utilization rate of the carbon dioxide.
Further, the liquid propeller is a magnetic wave-making pump for aquatic animals.
The beneficial effect of adopting the further scheme is that: has the characteristics of silence, low energy consumption, low shearing force and the like, and has the best propulsion effect on the culture solution.
Further, the solar light control system comprises a solar panel, a photoreceptor, a storage battery and a controller, wherein the solar panel is electrically connected with the storage battery, the storage battery is electrically connected with the controller, the photoreceptor is electrically connected with the controller, and the controller is electrically connected with the liquid propeller and the carbon supplementing device.
The beneficial effect of adopting the further scheme is that: energy is saved, and the amount of the carbon dioxide can be conveniently adjusted and supplemented according to the illumination intensity.
Further, still include the pH detector, pH detector fixed connection be in on the inside wall of passageway, the pH detector with the controller electricity is connected, through the pH of pH detector detection culture solution.
The beneficial effect of adopting the further scheme is that: can reflect the PH value of the microalgae culture solution, thereby reflecting the condition of the microalgae culture solution and supplementing carbon dioxide in time.
Furthermore, the carbon supplementing devices correspond to the flow baffle plates one by one, and the carbon supplementing devices are located at the downstream of the flow baffle plates.
The beneficial effect of adopting the further scheme is that: so that carbon dioxide can effectively enter the culture solution, a good growth environment can be created, and uniform carbon supplement is facilitated.
Furthermore, the included angle between the flow baffle and the inner side wall of the channel is 15-30 degrees, and the height of the flow baffle is 3-10 cm.
The beneficial effect of adopting the further scheme is that: the culture solution is exchanged between the upper layer and the lower layer, so that the algae cells in the lower layer under the dark condition roll to the upper layer to obtain enough light energy, thereby being beneficial to the growth of the microalgae.
Further, the transparent closed runway is made of transparent heat-insulating glass.
The beneficial effect of adopting the further scheme is that: can keep the culture solution in a constant temperature state, and is beneficial to the growth of microalgae.
Further, the liquid propeller includes two and rotates seat, pivot and a plurality of blade, two rotate the seat with the inside wall fixed connection of passageway, the both ends of pivot are rotated and are connected two rotate on the seat, it is a plurality of the blade winds the axis annular of pivot sets up, and is a plurality of the blade with the outside wall fixed connection of pivot, one of them be equipped with the motor in the rotation seat, the output of motor with the one end fixed connection of pivot, through the motor drives the pivot rotates.
The beneficial effect of adopting the further scheme is that: simple structure, easy manufacture and low cost.
Drawings
Fig. 1 is a schematic structural view of the closed transparent raceway pond of the present invention;
fig. 2 is a schematic structural view of the transparent airtight runway of the present invention;
FIG. 3 is a schematic structural view of the carbon supply device of the present invention;
FIG. 4 is a schematic diagram of the circuit structure connection of the solar energy light control system of the present invention;
fig. 5 is a schematic structural view of a liquid propeller according to embodiment 2 of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. transparent airtight runway, 2, liquid propeller, 4, carbon supply device, 5, flow baffle, 6, pH meter, 7, controller, 8, photoreceptor, 9, storage battery, 10, solar panel, 11, rotating seat, 12, rotating shaft, 13, blade, 14, bottom plate, 15, transparent cover, 16, opening, 17 and aeration device.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a closed transparent raceway pond for cultivating microalgae, including: the device comprises a transparent closed runway 1, four liquid propellers 2, two carbon supplementing devices 4, two flow baffles 5 and a solar light control system.
The transparent closed runway 1 is of an annular structure and is composed of two semi-circles and two long straight strips, a channel for culture solution to flow is arranged in the transparent closed runway 1, and the culture solution can flow in the channel. The four liquid propellers 2 are arranged in the transparent closed runway 1 at intervals, wherein the liquid propellers 2 are arranged at the joint positions of a semicircle and a long straight bar, and the culture solution is pushed to flow in the channel through the liquid propellers 2, so that the culture solution circularly moves in the channel. Two carbon supply devices 4 are arranged in the transparent closed runway at even intervals, the two carbon supply devices 4 are fixedly connected with the inner wall of the channel, the carbon supply devices 4 are respectively arranged in two long straight bars, and carbon dioxide is supplied to the culture solution through the carbon supply devices 4. Two baffle plates 5 are evenly arranged in the transparent dense closed runway at intervals, the two baffle plates 5 are fixedly connected with the inner wall of the channel, the two baffle plates 5 are respectively positioned in two long straight bars, and the culture solution containing microalgae can be blocked through the baffle plates 5, so that the culture solution rolls, the position of the microalgae in the culture solution is favorably changed, and the microalgae can obtain enough light energy. The solar energy light accuse system is connected with a plurality of liquid propellers 2 and two carbon supply device 4 electricity respectively, can be convenient for control opening and closing of liquid propeller 2 and carbon supply device 4 through solar energy light accuse system, supplies power through absorbing solar energy simultaneously, can practice thrift electric energy consumption for this breeding device is energy-concerving and environment-protective. Wherein, the transparent closed runway 1 can be provided with a feeding and discharging valve, which is convenient for injecting culture solution into the transparent closed runway 1 or taking out the culture solution. The valve is prior art and will not be described herein in any greater detail. Wherein, a solar energy photoelectric control system is positioned outside the transparent closed runway 1.
Preferably, in this embodiment, the carbon supply device 4 comprises a bottom plate 14 and a transparent cover 15, the bottom plate 14 is horizontally arranged, the aeration device 17 is fixedly arranged on the bottom plate 14, the transparent cover 15 is fixedly covered on the bottom plate 14, wherein the bottom plate 14 is square, the transparent cover 15 is also square, the transparent cover 15 covers the aeration device 17, wherein the transparent cover 15 is made of plastic, wherein the aeration device 17 is used for generating carbon dioxide, wherein the aeration device 17 is prior art, as is well known to those skilled in the art and will not be described in detail herein, the transparent cover 15 has an opening 16 facing the flowing direction of the culture solution, the aeration device 17 is electrically connected to the solar photovoltaic system, the aeration device 17 generates nitrogen dioxide and enters the culture solution through the opening 16, carbon dioxide can be supplemented in time by the carbon supplementing device 4, the opening 16 is formed in the direction of the flow of the culture medium, and the utilization rate of carbon dioxide can be improved.
Preferably, in this embodiment, the liquid propeller 2 is a magnetic-type wave generating pump for aquatic animals, which is known to those skilled in the art and will not be described herein in detail, wherein the magnetic-type wave generating pump has the characteristics of silence, low energy consumption, low shearing force, etc., and preferably, the liquid propeller 2 is disposed below the liquid level of the culture solution, and the depth of the liquid propeller 2 is 0.5-1 times the liquid depth of the culture solution, so as to achieve the best propelling effect on the culture solution.
Preferably, in the present embodiment, the solar photovoltaic system includes a solar panel 10, a photoreceptor 8, a storage battery 9 and a controller 7, the solar panel 10 is electrically connected to the storage battery 9, the storage battery 9 is electrically connected to the controller 7, the photoreceptor 8 is electrically connected to the controller 7, and the controller 7 is electrically connected to the liquid propeller 2 and the carbon supply device 4. Wherein the solar panel 10, the photoreceptor 8, the battery 9 and the controller 7 are all prior art and are well known to those skilled in the art, and the structure and principle thereof will not be described in detail herein. Wherein the solar panel 10 is used for absorbing ultraviolet rays and generating electricity, the generated electricity is stored in the storage battery 9, and the light receptor 8, the carbon supplementing device 4 and the liquid propeller 2 are powered by the storage battery 9. Wherein the controller 7 is a single chip microcomputer, and the carbon supplementing device 4 and the liquid propeller 2 are controlled to be opened or closed through the controller 7. The light receptor 8 can detect the illumination intensity and feed back the illumination intensity to the controller 7, and the controller 7 controls the carbon supplement device 4 to supplement carbon dioxide in time, so that the growth of microalgae is facilitated.
Preferably, in this embodiment, the microalgae culture medium further comprises a pH detector 6, the pH detector 6 is fixedly connected to the inner side wall of the channel, the pH detector 6 is electrically connected to the controller 7, and the pH detector 6 detects the pH of the culture medium to reflect the pH value of the microalgae culture medium, so as to reflect the condition of the microalgae culture medium. The pH detector 6 is an electronic detector, is known to those skilled in the art, and the structure and principle thereof will not be described in detail herein, wherein the pH detector 6 detects the pH value of the culture solution and then feeds the pH value back to the controller 7, so that the carbon supply device 4 is turned on or off to supply carbon dioxide in time.
Preferably, in this embodiment, the carbon supply device 4 corresponds to the flow baffle 5 one by one, and the carbon supply device 4 is located at the downstream of the flow baffle 5, so that carbon dioxide generated by the carbon supply device 4 can effectively enter the culture solution, thereby creating a good growth environment and facilitating uniform carbon supply.
Preferably, the included angle between the flow baffle 5 and the inner side wall of the channel is 15-30 degrees, the height of the flow baffle 5 is 3-10cm, wherein a slope with a slope of 30-45 degrees is arranged in the direction from which the flow baffle 5 flows towards the culture solution, so that the flow baffle 5 can effectively block the culture solution, the culture solution generates turbulence at the flow baffle 5, the culture solution is exchanged between an upper layer and a lower layer, algae cells in the lower layer under the dark condition roll to the upper layer, sufficient light energy is obtained, and the growth of microalgae is facilitated.
Preferably, in this embodiment, the transparent closed runway 1 is made of transparent heat-insulating glass, so that the culture solution can be kept in a constant temperature state, and meanwhile, the culture growth condition of microalgae in the culture solution can be conveniently observed.
The specific working principle of the embodiment is as follows: the solar panel 10 absorbs solar energy, converts the solar energy into electric energy, the electric energy is transmitted to the storage battery 9 through an electric wire, the storage battery 9 is responsible for storing the electric energy, the photoreceptor 8 can measure the illumination intensity at the point outside the transparent closed runway 1 and transmits a signal to the controller 7, the controller 7 receives the signal of the photoreceptor 8 and adjusts the current output of the storage battery 9 so as to control the amount of carbon dioxide released by the carbon supplementing device 4, when the photoreceptor 8 detects that the illumination intensity of the day is lower than a set value, the controller 7 increases the output current intensity so as to increase the amount of carbon dioxide released by the carbon supplementing device 4, when the photoreceptor 8 detects that the illumination intensity of the day is higher than the set value, the controller 7 decreases the output current intensity so as to decrease the amount of carbon dioxide released by the carbon supplementing device 4, and similarly, when the pH detector 6 detects that the pH value of the culture solution is lower than the set value, the controller 7 increases the output current intensity to increase the amount of carbon dioxide released from the carbon supply device 4, and when the pH detector 6 detects that the pH value of the culture solution is higher than a set value, the controller 7 decreases the output current intensity to decrease the amount of carbon dioxide released from the carbon supply device 4. Meanwhile, the liquid propeller 2 is operated all the time, so that the culture solution is continuously circulated.
Example 2
As shown in fig. 5, the difference between this embodiment and embodiment 1 lies in that, in this embodiment, the liquid propeller 2 includes two rotating bases 11, a rotating shaft 12 and a plurality of blades 13, two rotating bases 11 and the inside wall fixed connection of passageway, the both ends of rotating shaft 12 are rotated and connected on two rotating bases 11, a plurality of blades 13 are annularly arranged around the axis of rotating shaft 12, a plurality of blades 13 and the outside wall fixed connection of rotating shaft 12, one of them is equipped with the motor in rotating base 11, the output end of the motor and the one end fixed connection of rotating shaft 12, rotating shaft 12 is driven to rotate through the motor, thereby drive a plurality of blades 13 to rotate, blades 13 rotate to make the culture solution constantly advance, and then realize the circulation flow of culture solution.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A sealed transparent runway pool for culturing microalgae is characterized by comprising:
the culture medium circulation device comprises a transparent closed runway (1), wherein the transparent closed runway (1) is of an annular structure, and a channel for culture medium to flow is arranged in the transparent closed runway (1);
the liquid propellers (2) are arranged in the transparent closed runway (1) at intervals, and culture solution is pushed to flow in the channel by the liquid propellers (2);
the two carbon supplementing devices (4) are uniformly arranged in the transparent closed runway at intervals, and the two carbon supplementing devices (4) are fixedly connected with the inner wall of the channel;
the two flow baffle plates (5) are uniformly arranged in the transparent and dense closed runway at intervals, and the two flow baffle plates (5) are fixedly connected with the inner wall of the channel;
and the solar energy photo-control system is electrically connected with the plurality of liquid propellers (2) and the two carbon supplementing devices (4) respectively.
2. The closed transparent raceway pond for cultivating microalgae according to claim 1, wherein the carbon supply device (4) comprises a bottom plate (14) and a transparent cover (15), an aeration device (17) is fixedly arranged on the bottom plate (14), the transparent cover (15) is fixedly covered on the bottom plate (14), the aeration device (17) is located in the transparent cover (15), an opening (16) is arranged on the transparent cover (15) in the direction of the flowing direction of the culture solution, the aeration device (17) is electrically connected with the solar photovoltaic system, and the aeration device (17) generates nitrogen dioxide and enters the culture solution through the opening (16).
3. The closed transparent raceway pond for cultivating microalgae according to claim 1, wherein the liquid propeller (2) is a magnetic-type wave-making pump for aquatic animals.
4. The closed transparent raceway pond for cultivating microalgae according to claim 1, wherein the solar photovoltaic system comprises a solar panel (10), a photoreceptor (8), a storage battery (9), and a controller (7), wherein the solar panel (10) is electrically connected with the storage battery (9), the storage battery (9) is electrically connected with the controller (7), the photoreceptor (8) is electrically connected with the controller (7), and the controller (7) is electrically connected with the liquid propeller (2) and the carbon supplement device (4).
5. The closed transparent raceway pond for cultivating microalgae according to claim 4, further comprising a pH meter (6), wherein the pH meter (6) is fixedly connected to an inner side wall of the channel, the pH meter (6) is electrically connected to the controller (7), and the pH of the culture solution is detected by the pH meter (6).
6. The closed transparent raceway pond for cultivating microalgae according to claim 1, wherein the carbon supply device (4) is in one-to-one correspondence with the flow baffle (5), and the carbon supply device (4) is located downstream of the flow baffle (5).
7. The closed transparent raceway pond for cultivating microalgae according to claim 1, wherein an angle between the flow baffle (5) and an inner side wall of the channel is 15-30 °, and a height of the flow baffle (5) is 3-10 cm.
8. A closed transparent runway pool for cultivating microalgae as claimed in any of claims 1-7, characterized in that the transparent closed runway (1) is made of transparent insulating glass.
9. The closed transparent raceway pond for cultivating microalgae according to claim 1, wherein the liquid propeller (2) comprises two rotating seats (11), a rotating shaft (12) and a plurality of blades (13), the two rotating seats (11) are fixedly connected with the inner side wall of the channel, two ends of the rotating shaft (12) are rotatably connected to the two rotating seats (11), the plurality of blades (13) are annularly arranged around the axis of the rotating shaft (12), the plurality of blades (13) are fixedly connected with the outer side wall of the rotating shaft (12), a motor is arranged in one of the rotating seats (11), the output end of the motor is fixedly connected with one end of the rotating shaft (12), and the rotating shaft (12) is driven to rotate by the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020327091.0U CN212102842U (en) | 2020-03-16 | 2020-03-16 | Sealed transparent runway pool for cultivating microalgae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020327091.0U CN212102842U (en) | 2020-03-16 | 2020-03-16 | Sealed transparent runway pool for cultivating microalgae |
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| Publication Number | Publication Date |
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| CN212102842U true CN212102842U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020327091.0U Expired - Fee Related CN212102842U (en) | 2020-03-16 | 2020-03-16 | Sealed transparent runway pool for cultivating microalgae |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186092A (en) * | 2021-05-10 | 2021-07-30 | 东台市赐百年生物工程有限公司 | Little algae breeding device based on photovoltaic board |
| JP7102597B1 (en) | 2021-11-04 | 2022-07-19 | 三菱化工機株式会社 | Microalgae culture equipment |
-
2020
- 2020-03-16 CN CN202020327091.0U patent/CN212102842U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186092A (en) * | 2021-05-10 | 2021-07-30 | 东台市赐百年生物工程有限公司 | Little algae breeding device based on photovoltaic board |
| JP7102597B1 (en) | 2021-11-04 | 2022-07-19 | 三菱化工機株式会社 | Microalgae culture equipment |
| JP2023068902A (en) * | 2021-11-04 | 2023-05-18 | 三菱化工機株式会社 | Microalgae culture device |
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