CN220012653U - Sequential type photobioreactor for microalgae culture - Google Patents
Sequential type photobioreactor for microalgae culture Download PDFInfo
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- CN220012653U CN220012653U CN202321096174.3U CN202321096174U CN220012653U CN 220012653 U CN220012653 U CN 220012653U CN 202321096174 U CN202321096174 U CN 202321096174U CN 220012653 U CN220012653 U CN 220012653U
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- reactor
- cylindrical reactor
- sequential type
- photobioreactor
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- 239000000463 material Substances 0.000 claims abstract description 10
- 238000005273 aeration Methods 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 26
- 241000195493 Cryptophyta Species 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 230000005791 algae growth Effects 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 238000005286 illumination Methods 0.000 description 6
- 235000016425 Arthrospira platensis Nutrition 0.000 description 5
- 240000002900 Arthrospira platensis Species 0.000 description 5
- 229940082787 spirulina Drugs 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 230000009919 sequestration Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses a sequential type photobioreactor for microalgae cultivation, which comprises a sequential type photobioreactor main body, wherein a plurality of cylindrical reactor units made of light-transmitting materials are uniformly distributed in the sequential type photobioreactor main body, and a plurality of transversely arranged adjustable multi-light-source LED lamp strips which are uniformly distributed from top to bottom are arranged on the back surface of each cylindrical reactor unitThe algae growth speed drives the paddle wheel to operate through the motor and the rotating shaft, and the algae liquid in the cylindrical reactor unit can form groove-shaped circulation by matching with the baffle plate, so that the gas-liquid mixing mass transfer effect of the algae liquid in the cylindrical reactor unit is improved, and the algae liquid and CO are caused 2 Fully mixing, enhancing the carbon fixation effect of the reactor on the microalgae and improving the yield of the microalgae.
Description
Technical Field
The utility model relates to the technical field of environmental engineering, in particular to a sequential photobioreactor for microalgae cultivation.
Background
Microalgae biological carbon fixation is an important biological utilization direction of carbon dioxide capture, utilization and sequestration, and is utilized for absorbing and fixing CO in industrial flue gas 2 So that it changes waste into valuable. Meanwhile, the microalgae has high growth speed and high carbon fixation efficiency, and can be further processed to be converted into biofuels, chemicals, feed additives and the like.
However, at present, the traditional reactor has saturated CO with low light and dark circulation frequency and algae solution dissolution 2 The problems of low content, poor gas-liquid mixed mass transfer effect and the like are solved, for example, the publication No. CN216712124U discloses a photobioreactor for microalgae cultivation, wherein the light source is arranged at the center of a circle of the reactor, so that the illumination intensity is sequentially weakened from inside to outside, the illumination intensity is consistent when the distances from the center of the circle are equal, and meanwhile, the whole reactor body is made of a transparent material, and the influence caused by insufficient irradiation on the outside is made up by natural light; through the combined action of the diversion of the baffle plate and the aeration of the aerator, the algae liquid can be fully mixed in the system, and the algae liquid can be more fully mixed with CO by only arranging the air outlet in the last space unit 2 Contact, CO reduction 2 Is less likely to adhere to the algae and to precipitate; the fully mixing of the algae liquid ensures that the microalgae cells are alternately positioned in the light and dark areas at the positions in the reactor continuously, thereby not only further weakening the adverse effect caused by uneven illumination distribution, but also being beneficial to the growth of the microalgae cells. However, the reactor only adopts an aerator and a baffle plate thereof for diversion to aerate the algae liquid, but the aeration method ensures that the algae liquid is dissolved with saturated CO 2 The content is lower, so that microalgae in the algae liquid grow slowly, and the overall yield is lower.
Therefore, how to design a sequential photobioreactor for microalgae cultivation is a problem that we need to solve currently.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a sequential type photobioreactor for microalgae cultivation, which effectively solves the problem that the saturated CO dissolved by algae liquid is solved when the traditional photosynthetic reactor cultures microalgae 2 Lower levels result in lower microalgae yields.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sequential type photobioreactor for microalgae cultivation, includes sequential type photobioreactor main part, the inside cylindric reactor unit that is equipped with evenly distributed's a plurality of printing opacity materials of sequential type photobioreactor main part, each cylindric reactor unit is inside all to be equipped with and to use self as two paddle wheels of axisymmetric distribution, be equipped with two motors on the one side inner wall of sequential type photobioreactor main part, all be connected with the pivot on two motors, the pivot of connecting on two motors passes the cylindric reactor unit and the paddle wheel connection back that are equipped with inside sequential type photobioreactor main part and is connected in the opposite side inner wall of sequential type photobioreactor main part through the bearing frame, the pivot is used for carrying out the transmission to the paddle wheel, cylindric reactor unit inside central part is equipped with a baffle, and keep the space between baffle and the cylindric reactor unit, cylindric reactor unit inside bottom is equipped with aeration equipment.
Further, the aeration device comprises a gas flowmeter, an aeration disc, a gas inlet and a gas outlet, wherein the bottom end of the inside of the cylindrical reactor unit is provided with the aeration disc, the bottom of the aeration disc is provided with the gas inlet, the gas inlet penetrates through one end of a connecting hose at the bottom of the cylindrical reactor unit, the other end of the hose is connected with the gas flowmeter arranged on the surface of the sequential type optical reactor main body, the top of each cylindrical reactor unit is provided with the hose, and the gas outlet ends of the hoses are integrally connected to the inner side end of the gas outlet arranged on the side edge of the sequential type optical reactor main body.
Further, the LED lamp strip with adjustable multiple light sources is further arranged, and the back of each cylindrical reactor unit is provided with a plurality of transversely arranged LED lamp strips with adjustable multiple light sources which are uniformly distributed from top to bottom.
Furthermore, the light-transmitting material is common glass, toughened glass, organic glass or plastic plate with the light transmittance of more than 80 percent.
Furthermore, the baffle is made of transparent materials.
Further, the two motors drive the rotating shafts to rotate in the same direction.
Furthermore, the paddle wheel is in a disc shape and is made of transparent PP material.
Further, the joints on the side walls of the rotating shaft and each cylindrical reactor unit are provided with sealing rings.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the motor and the rotating shaft drive the two paddle wheels in the cylindrical reactor unit, and the baffle plate in the cylindrical reactor unit is matched with the cylindrical reactor unit to enable algae liquid in the cylindrical reactor unit to form groove-shaped circulation, so that the gas-liquid mixing mass transfer effect of the algae liquid in the cylindrical reactor unit is enhanced, and the algae liquid and CO are enabled 2 Fully mixing, adjusting the adjustable multi-light source LED lamp strip to be suitable for the illumination intensity environment combination of microalgae growth, and matching with a paddle wheel to realize gas-liquid mixed mass transfer of the microalgae, so that the carbon fixation effect of the reactor on the microalgae can be enhanced, the microalgae growth speed can be accelerated, and the microalgae yield can be improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a sequential photoreactor body; 2. a gas flow meter; 3. an adjustable multi-light source LED lamp strip; 4. a bearing seat; 5. a cylindrical reactor unit; 6. an aeration disc; 7. an air outlet; 8. a motor; 9. a baffle; 10. a paddle wheel; 11. a rotating shaft; 12. an air inlet.
Detailed Description
Example 1
As shown in fig. 1, the present utility model provides the following technical solutions: a sequential type photobioreactor for microalgae culture comprises a sequential type photobioreactor main body 1, and a sequential typeThe inside of the column type photo-reactor main body 1 is provided with a plurality of cylindrical reactor units 5 made of light-transmitting materials which are uniformly distributed, each cylindrical reactor unit 5 is internally provided with two paddle wheels 10 which are axially and symmetrically distributed by the self, one side inner wall of the column type photo-reactor main body 1 is provided with two motors 8, the two motors 8 are connected with rotating shafts 11, the rotating shafts 11 connected with the two motors 8 penetrate through the cylindrical reactor units 5 and the paddle wheels 10 which are arranged in the column type photo-reactor main body 1 and are connected with the other side inner wall of the column type photo-reactor main body 1 through bearing seats 4 after being connected, the rotating shafts 11 are used for driving the paddle wheels 10, the center part of the inside of the cylindrical reactor unit 5 is provided with a baffle plate 9, a gap is reserved between the baffle plate 9 and the cylindrical reactor unit 5, the bottom end of the inside of the cylindrical reactor unit 5 is provided with an aeration device, the aeration device comprises a gas flowmeter 2, an aeration disc 6, an air inlet 12 and an air outlet 7, wherein the bottom end of the inside of a cylindrical reactor unit 5 is provided with the aeration disc 6, the bottom of the aeration disc 6 is provided with the air inlet 12, the air inlet 12 passes through one end of a connecting hose at the bottom of the cylindrical reactor unit 5, the other end of the hose is connected with the gas flowmeter 2 arranged on the surface of a sequential type optical reactor main body 1, the top of each cylindrical reactor unit 5 is provided with the hose, the air outlet ends of the hoses are integrally connected to the inner side end of the air outlet 7 arranged on the side edge of the sequential type optical reactor main body 1, the aeration device also comprises an adjustable multi-light source LED lamp strip 3, a plurality of transversely arranged adjustable multi-light source LED lamp strips 3 which are uniformly distributed from top to bottom are arranged on the back of each cylindrical reactor unit 5, the baffle plate 9 in the cylindrical reactor unit 5 can be matched to enable the algae liquid in the cylindrical reactor unit 5 to form groove-shaped circulation, so that the gas-liquid mixing mass transfer effect of the algae liquid in the cylindrical reactor unit 5 is enhanced, and the algae liquid and CO are enabled 2 The adjustable multi-light source LED lamp strip 3 is fully mixed, the adjustable multi-light source LED lamp strip is adjusted to be suitable for the illumination combination of the microalgae growth environment, and the paddle wheel 10 is matched for carrying out gas-liquid mixed mass transfer on the microalgae, so that the carbon fixation effect of the reactor on the microalgae is enhanced, the microalgae growth speed is accelerated, and the microalgae yield is improved.
Wherein, the light-transmitting material adopts common glass, toughened glass, organic glass or plastic plate with the light transmittance of more than 80 percent.
Wherein, the baffle 9 adopts transparent material.
Wherein, the two motors 8 drive the rotating shafts 11 to rotate in the same direction.
The paddle wheel 10 is in a shape of a round plate and is made of transparent PP material.
Wherein, the joints on the side walls of the rotating shaft 11 and each cylindrical reactor unit 5 are provided with sealing rings.
The same spirulina is used to be matched with algae liquid to be placed into a cylindrical reactor unit 5, an adjustable multi-light source LED lamp strip 3 is adjusted to form an LED combined light source of 50% blue light (peak wavelength 460 nm) and 50% white light (peak wavelength 680 nm), the total light intensity is 5000lux, the room temperature is controlled to be 28 ℃, and CO is injected through a gas flowmeter 2 2 Gas, such that CO 2 The gas enters the air inlet 12 through a hose, the algae liquid in the cylindrical reactor unit 5 is aerated through the aeration disc 6, the gas flowmeter 2 is observed, and the flow rate of the algae liquid aeration is controlled to be kept at 120m 3 And/h, starting a motor 8 to drive a rotating shaft 11 to rotate under the limit of a bearing seat 4, driving a paddle wheel 10 in a cylindrical reactor unit 5 to rotate by the rotating shaft 11, stirring algae liquid by the rotation of the paddle wheel 10, controlling the motor 8 to keep the rotation speed of the paddle wheel 10 consistent, carrying out whole-course illumination culture on spirulina in the cylindrical reactor unit 5, setting 3 parallel samples for each group of experiments, taking an average value of results, and displaying that spirulina produced after 10 days of culture in the cylindrical reactor unit 5 is 1.33g/L (dry weight).
Example two
The adjustable multi-light source LED strip 3 was adjusted on the basis of example 1 to form a LED combination light source of 50% blue light (peak wavelength 460 nm) and 50% red light (peak wavelength 680 nm), the total light intensity was 5000lux, 3 parallel samples were set for each group of experiments, the whole course light cultivation was performed, and the average value was taken, and the result showed that spirulina produced 1.57g/L (dry weight) after 10 days of cultivation in the cylindrical reactor unit 5.
Example III
The adjustable multi-light source LED strip 3 was adjusted on the basis of example 1 to form an LED combination light source of 50% red light (peak wavelength 460 nm) and 50% white light (peak wavelength 680 nm), the total light intensity was 5000lux, 3 replicates were set for each group of experiments, the whole course of light cultivation was averaged, and the result showed that spirulina produced 1.66g/L (dry weight) after 10 days of cultivation in the cylindrical reactor unit 5.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A sequential photo bioreactor for microalgae cultivation, comprising a sequential photo reactor body (1), characterized in that: the novel reactor comprises a sequential type photo-reactor body (1), a plurality of cylindrical reactor units (5) made of light-transmitting materials and uniformly distributed in the sequential type photo-reactor body (1), two paddle wheels (10) which are axially symmetrically distributed in each cylindrical reactor unit (5) are arranged in the sequential type photo-reactor body, two motors (8) are arranged on one side inner wall of the sequential type photo-reactor body (1), rotating shafts (11) are connected to the two motors (8), the rotating shafts (11) connected to the two motors (8) penetrate through the cylindrical reactor units (5) and the paddle wheels (10) which are arranged in the sequential type photo-reactor body (1) and are connected to the other side inner wall of the sequential type photo-reactor body (1) through bearing blocks (4), the rotating shafts (11) are used for transmitting the paddle wheels (10), a baffle plate (9) is arranged at the center position in the interior of the sequential type photo-reactor body (5), gaps are reserved between the baffle plate (9) and the cylindrical reactor units (5), and an aeration device is arranged at the bottom end in the interior of the sequential type photo-reactor body (5).
2. A sequential photobioreactor for microalgae cultivation as claimed in claim 1, characterized in that: the aeration device comprises a gas flowmeter (2), an aeration disc (6), an air inlet (12) and an air outlet (7), wherein the aeration disc (6) is arranged at the bottom end of the inside of the cylindrical reactor unit (5), the air inlet (12) is arranged at the bottom of the aeration disc (6), the air inlet (12) penetrates through one end of the bottom connecting hose of the cylindrical reactor unit (5), the other end of the hose is connected with the gas flowmeter (2) arranged on the surface of the sequential type photo-reactor main body (1), the top of each cylindrical reactor unit (5) is provided with a hose, and the air outlet ends of the hoses are integrally connected with the inner side end of the air outlet (7) arranged on the side edge of the sequential type photo-reactor main body (1).
3. A sequential photobioreactor for microalgae cultivation as claimed in claim 2, characterized in that: the LED lamp strip also comprises an adjustable multi-light source LED lamp strip (3), wherein the back of each cylindrical reactor unit (5) is provided with a plurality of transversely arranged adjustable multi-light source LED lamp strips (3) which are uniformly distributed from top to bottom.
4. A sequential photobioreactor for microalgae cultivation as claimed in claim 3, characterized in that: the light-transmitting material is common glass, toughened glass, organic glass or plastic plate with light transmittance more than 80%.
5. The sequential photobioreactor for microalgae cultivation of claim 4, wherein: the baffle (9) is made of transparent materials.
6. The sequential photobioreactor for microalgae cultivation of claim 5, wherein: the two motors (8) drive the rotating shafts (11) to rotate in the same direction.
7. The sequential photobioreactor for microalgae cultivation of claim 6, wherein: the paddle wheel (10) is in a disc shape and is made of transparent PP material.
8. The sequential photobioreactor for microalgae cultivation of claim 7, wherein: and sealing rings are arranged at the joints of the rotating shaft (11) and the side walls of the cylindrical reactor units (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096174.3U CN220012653U (en) | 2023-05-09 | 2023-05-09 | Sequential type photobioreactor for microalgae culture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096174.3U CN220012653U (en) | 2023-05-09 | 2023-05-09 | Sequential type photobioreactor for microalgae culture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220012653U true CN220012653U (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321096174.3U Active CN220012653U (en) | 2023-05-09 | 2023-05-09 | Sequential type photobioreactor for microalgae culture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220012653U (en) |
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2023
- 2023-05-09 CN CN202321096174.3U patent/CN220012653U/en active Active
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