CN212741323U - Photo-bioreactor - Google Patents
Photo-bioreactor Download PDFInfo
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- CN212741323U CN212741323U CN202021402990.9U CN202021402990U CN212741323U CN 212741323 U CN212741323 U CN 212741323U CN 202021402990 U CN202021402990 U CN 202021402990U CN 212741323 U CN212741323 U CN 212741323U
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Abstract
The utility model discloses a photobioreactor, which comprises a circulating buffer device, a photobioreactor main pipeline and a power device; the pipeline of the photobioreactor main body is provided with a circulating liquid inlet end and a circulating liquid outlet end which are respectively connected with the circulating buffer device; the power device drives the liquid in the pipeline of the photobioreactor main body to rise and overflow from the circulating liquid outlet end to the circulating buffer device. The utility model has the advantages of little damage to microalgae in the circulation process, ensuring the normal growth of microalgae, simple structure and easy popularization.
Description
Technical Field
The utility model relates to a microalgae cultivates technical field, especially relates to a photobioreactor.
Background
Microalgae are autotrophic plants with wide land and ocean distribution, rich nutrition and high photosynthesis degree; has good development prospect in the fields of food, medicine, genetic engineering, liquid fuel and the like. Along with the increasing exhaustion of traditional fossil energy (petroleum, coal and the like), microalgae is highly regarded as renewable energy (grease and the like) by people, and has important social significance; therefore, the microalgae industry shows wide application prospect.
The photobioreactor is a device with high photosynthetic efficiency for photosynthetic organism cell or tissue culture. Especially microalgae, photosynthetic bacteria and other organisms can be cultured continuously and semi-continuously under the optimal conditions with high density, high yield and high quality. The continuous development of new high-efficiency photoreactors, which are highly efficient, simple and suitable for research and production, is becoming an important component of the development of algae and photosynthetic biotechnology. Years of photoreactor research results show that the pipeline type photosynthetic reactor has application and development prospects.
In the prior art, a culture solution in a pipeline of a main body of a photobioreactor generally adopts a process pump as circulating power to drive the culture solution to form circulation; however, the mechanical shearing force generated by the process pump has a large damage degree to the microalgae in the culture solution, and the normal growth of the microalgae cannot be ensured.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiency that exists among the prior art, the utility model provides a photobioreactor, its overflow phenomenon that adopts the culture solution forms the circulation, so its injury to little algae in the circulation process, ensures little normal growth of little algae, and simple structure, easily promotes.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a photobioreactor comprises a circulating buffer device, a main pipeline of the photobioreactor and a power device; the pipeline of the photobioreactor main body is provided with a circulating liquid inlet end and a circulating liquid outlet end which are respectively connected with the circulating buffer device; the power device drives the liquid in the pipeline of the photobioreactor main body to rise and overflow from the circulating liquid outlet end to the circulating buffer device.
The circulating buffer device is a circulating buffer tank; the main pipeline of the photobioreactor is at least partially transparent.
In use, a certain amount of microalgae culture solution is injected into the main pipeline of the photobioreactor, and the certain amount of microalgae culture solution can be understood as follows: when the power device acts on the photobioreactor, the microalgae culture solution can overflow in the rising process, namely flows out of the photobioreactor.
By adopting the structure, under the condition without the action of a power device, the pipeline of the photobioreactor main body and the microalgae culture solution in the circulating buffer device tend to be balanced, namely, no circulating exchange occurs; when the power device acts on the photobioreactor, the liquid level of the microalgae culture solution in the pipeline of the main body of the photobioreactor rises and overflows, the overflowed microalgae culture solution enters the circulating buffer device through the circulating liquid outlet end, the liquid level of the microalgae culture solution in the circulating buffer device rises at the moment, the original balance is broken at the moment, and in order to obtain new balance, the microalgae culture solution in the circulating buffer device enters the pipeline of the main body of the bioreactor through the circulating liquid inlet end to reach new balance, so that one circulation is formed; therefore, as long as the power device continuously acts on the photobioreactor, the microalgae culture solution in the pipeline of the photobioreactor main body and the circulation buffer device can continuously circulate; due to the adoption of the overflow phenomenon and the liquid level balance phenomenon, the circulation is realized, the damage to the microalgae is greatly reduced, and the survival rate of the microalgae is ensured.
Further, the power device is a gas power device.
Using gas as a power device, namely pumping gas into the photobioreactor; the gas entering the photobioreactor can stir in the pipeline of the photobioreactor main body and lift the liquid level of the microalgae culture solution in the pipeline of the photobioreactor main body, so that the microalgae culture solution overflows.
By adopting the structure, firstly, after the gas enters the microalgae culture solution, the culture solution cannot be adversely affected or the quality of the microalgae is not affected; and secondly, the gas can stir the microalgae culture solution, so that the microalgae in the pipeline of the photobioreactor main body can be in relatively uniform contact with illumination, and the light can be effectively utilized.
Specifically, the gas power device comprises a gas source and a gas pressure conveying pipe for connecting the gas source with the photobioreactor; wherein the gas source may be, but is not limited to, an air compressor, a compressed air reservoir, a pressure tank for storing air, or a cylinder for storing compressed gas. The stored compressed gas may be, but is not limited to, compressed liquefied gas, carbon dioxide, oxygen, inert gas, or mixtures of the foregoing. The gas source is used for providing gas with certain pressure.
Further, the power device is connected with the pipeline of the photobioreactor main body to form a power connecting end, the position of the power connecting end is not higher than the highest liquid level of liquid in the pipeline of the photobioreactor main body, and the liquid in the pipeline of the photobioreactor main body can overflow from the circulating liquid outlet end under the driving state of the power device.
The specifications of the pipelines of the photobioreactor main bodies in the photobioreactors with different specifications are different; so under the driving of the power device, the microalgae culture solution in the pipeline of the photobioreactor main body can rise to different degrees; therefore, the microalgae culture solution filled in the pipeline of the photobioreactor main body is required to be not lower than the lowest overflow liquid level at which the overflow phenomenon can occur in the pipeline of the photobioreactor main body with the specification.
Under the condition that the microalgae culture solution is lifted by adopting gas stirring, the position of the power connecting end is not higher than the highest liquid level of the microalgae culture solution currently loaded into the pipeline of the photobioreactor main body, and the liquid level is not lower than the lowest overflow liquid level; ensures that the gas can stir the microalgae culture solution under the driving of the power device, and can make the liquid level rise and overflow from the circulating liquid outlet end.
Specifically, the gas pressure conveying pipe is connected with the power connecting end.
Further, the power connection end is located at a position below the main pipeline of the photobioreactor.
By adopting the structure, the gas enters from the position below the pipeline of the main body of the photobioreactor and then rises in the pipeline; the stirring range of the microalgae culture solution in the pipeline of the photobioreactor main body is enlarged; further, the microalgae can be in uniform contact with illumination, so that light can be effectively utilized.
Furthermore, a circulating liquid inlet end and a circulating liquid outlet end on the pipeline of the photobioreactor main body have vertical height difference, the circulating liquid inlet end is formed at the lower end, and the circulating liquid outlet end is formed at the upper end; the circulating liquid outlet end is connected with the upper part of the circulating buffer device, and the circulating liquid inlet end is connected with the bottom of the circulating buffer device.
By adopting the structure, the power device enables the liquid level in the pipeline of the photobioreactor main body to be improved and overflow from the circulating liquid outlet end with a higher position to the circulating buffer device, the pressure of the circulating buffer device is increased at the moment, and therefore microalgae culture liquid at the bottom in the circulating buffer device enters the pipeline of the photobioreactor main body through the circulating liquid inlet end with a lower position to form circulation.
Furthermore, the main pipeline of the photobioreactor comprises a plurality of main pipes and bent pipes for connecting the main pipes; two ends of the bent pipe are provided with elbows; the main pipes form a spirally wound ascending pipeline by means of the bent pipes.
By adopting the structure, the pipeline of the main body of the photobioreactor integrally forms a spirally-coiled ascending pipeline, so that the space utilization rate is increased, and the culture amount of microalgae in the photobioreactor can be increased.
Specifically, the photobioreactor comprises a support, and the photobioreactor main body pipeline is fixed on the support.
Further, the power device is connected with the pipeline of the photobioreactor main body to form a power connecting end; the elbow comprises a connecting pipe for connecting two elbows; the power connection end is arranged on one of the connecting pipes.
The connecting pipe provided with the power connecting end adopts a three-way pipe.
Specifically, the main pipe and the connecting pipe adopt transparent pipes, so that the light acceptance rate of the main pipe of the photobioreactor is increased, and the cultivation and growth of microalgae in the main pipe are facilitated.
Further, the circulation damper is provided with an exhaust hole for exhausting gas.
The gas power device increases the gas quantity in the pipeline of the photobioreactor main body, so that the pressure in the pipeline of the photobioreactor main body is increased, and an exhaust hole is formed in the circulation buffer device to avoid the adverse effect of excessive pressure on microalgae; and gas enters the pipeline of the photobioreactor main body through the power connecting end, rises in the pipeline, enters the circulating buffer device from the circulating liquid outlet end and is finally discharged from the exhaust hole.
Further, the photobioreactor comprises a booster pump, and the booster pump is arranged on a pipeline between the circulation buffer device and the circulation liquid inlet end.
By adopting the structure, the power assisting pump can assist the power device to act on the microalgae culture solution and provide assistance for the circulation of the microalgae culture solution.
Further, the photobioreactor comprises a cleaning ball inlet, and the cleaning ball inlet is arranged on a pipeline between the booster pump and the circulation liquid inlet end.
By adopting the structure, when the photobioreactor needs to be cleaned, the cleaning balls are put into the cleaning ball inlets, move along the pipeline of the photobioreactor main body under the action of the booster pump, clean the pipeline and finally enter the circulating buffer device.
Further, an LED light source is arranged on the pipeline of the main body of the photobioreactor.
By adopting the structure, the LED light source is utilized to supplement light to the photobioreactor; is beneficial to the growth of the microalgae.
Further, the photobioreactor comprises an electrical control cabinet.
By adopting the structure, the electrical control cabinet controls the photobioreactor to realize continuous and semi-continuous culture of the microalgae culture solution.
Furthermore, a first valve is arranged on a pipeline between the circulating buffer device and the booster pump; a second valve is arranged on a pipeline between the booster pump and the cleaning ball inlet; a third valve is arranged on a pipeline between the inlet of the cleaning ball and the circulating liquid inlet end; and a fourth valve is arranged on a pipeline between the circulating buffer tank and the circulating liquid outlet end.
Further, a first liquid discharging port is formed in a pipeline between the resistance pump and the second valve; and a second liquid outlet is formed in the pipeline between the fourth valve and the circulating liquid outlet end.
By adopting the structure, different working states of the photobioreactor can be realized;
the first working mode is as follows: opening the first valve, the second valve, the third valve and the fourth valve, closing the power-assisted pump, and closing the first liquid discharge port and the second liquid beating port; the microalgae culture solution only completes circulation under the driving of the power device, and the booster pump is equivalent to a pipeline and does not provide any boosting.
And a second working mode: opening the first valve, the second valve, the third valve and the fourth valve, starting the booster pump, and closing the first liquid discharge port and the second liquid beating port; the microalgae culture solution is driven by the power device and the booster pump to complete circulation, and at the moment, the booster pump can provide circulation boosting for the microalgae culture solution.
A first cleaning mode: the second valve and the third valve are closed firstly, so that the inlet of the cleaning ball is independent, and the liquid in the pipe is prevented from flowing out in the process of putting the cleaning ball; after the cleaning balls are placed, opening the second valve and the third valve, and connecting the pipeline filled with the cleaning balls; and closing the first liquid discharge port and the second liquid discharge port, starting the booster pump, and cleaning the pipeline by the cleaning ball under the action of the booster pump.
And a second cleaning mode: and (3) filling clean water into the circulating buffer device, opening the first valve, the second valve, the third valve, the second liquid outlet and the booster pump, closing the fourth valve, cleaning the pipeline by the clean water under the driving of the booster pump, and intercepting the cleaned water at the fourth valve and allowing the water to flow out of the second liquid outlet.
Sampling mode: the microalgae culture solution in the photobioreactor can be sampled by opening the first liquid discharge port.
A discharging mode: and opening the first valve, the second valve, the third valve, the second liquid discharge port and the booster pump, closing the fourth valve, and discharging and unloading the microalgae culture solution in the photobioreactor from the second liquid discharge port under the driving of the booster pump.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses photobioreactor adopts the overflow to realize the circulation of little algae culture solution, and it is little to the injury of little algae in the reduction cycle process, ensures the normal growth of little algae.
(2) The utility model discloses the photobioreactor adopts gas power device, and it not only reduces the injury to little algae, can stir little algae culture solution moreover for little algae can and the illumination more even contact.
(3) The utility model discloses photobioreactor is provided with the helping hand pump, can provide extra helping hand for the circulation of little algae culture solution.
(4) The utility model discloses the supporting belt cleaning device that has of photobioreactor, and can realize the cleaning methods of different forms.
(5) The utility model discloses photobioreactor is furnished with the cover and is had the LED light source, can provide extra light for little algae, is favorable to little algae cultivation.
(6) The utility model discloses the supporting electrical apparatus switch board that has of photobioreactor realizes the continuous, semi-continuous cultivation to the little algae culture solution.
(7) The utility model discloses photobioreactor simple structure easily promotes.
Drawings
FIG. 1 is a schematic structural view of a photobioreactor according to the present invention;
reference numerals: 1 circulating a buffer device; 2 a photobioreactor main body pipe; 201 circulating liquid inlet end; 202 circulating the liquid outlet end; 203 a main pipe; 204 bent pipe; 2041 elbow; 2042 connecting pipes; 3, a power device; 301 air supply; 302 a gas pressure delivery tube; 4, a power connection end; 5, a power-assisted pump; 6 cleaning the ball inlet; 7LED light source; 8, an electric appliance control cabinet; 9 a first valve; 10 a second valve; 11 a third valve; 12 a fourth valve; 13 a first drain port; 14 second drain ports; 15, a bracket.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, a photobioreactor includes a circulation buffer device 1, a photobioreactor main pipe 2, and a power device 3; the pipeline 2 of the photobioreactor main body is provided with a circulating liquid inlet end 201 and a circulating liquid outlet end 202 which are respectively connected with the circulating buffer device 1; the power device 3 drives the liquid in the pipe 2 of the photobioreactor main body to rise and overflow from the circulating liquid outlet end 202 to the circulating buffer device 1.
The circulating buffer device 1 is a circulating buffer tank; the photobioreactor body tubes 2 are at least partially transparent.
In use, a certain amount of microalgae culture fluid is injected into the main pipe 2 of the photobioreactor, and the certain amount of microalgae culture fluid can be understood as follows: when the power device 3 acts on the photobioreactor, the microalgae culture solution can overflow in the rising process, namely flows out of the photobioreactor.
With the structure, under the condition without the action of the power device 3, the pipeline 2 of the photobioreactor main body and the microalgae culture solution in the circulation buffer device 1 tend to be balanced, namely, no circulation exchange occurs; when the power device 3 acts on the photobioreactor, the liquid level of the microalgae culture solution in the pipeline 2 of the photobioreactor main body rises and overflows, the overflowed microalgae culture solution enters the circulation buffer device 1 through the circulation liquid outlet end 202, the liquid level of the microalgae culture solution in the circulation buffer device 1 rises at the moment, the original balance is broken at the moment, and the new balance is obtained, so that the microalgae culture solution in the circulation buffer device 1 enters the pipeline of the bioreactor main body through the circulation liquid inlet end 201 to reach a new balance, and a circulation is formed; therefore, as long as the power device 3 continuously acts on the photobioreactor, the microalgae culture solution in the photobioreactor main body pipeline 2 and the circulation buffer device 1 continuously circulates; due to the adoption of the overflow phenomenon and the liquid level balance phenomenon, the circulation is realized, the damage to the microalgae is greatly reduced, and the survival rate of the microalgae is ensured.
Preferably, the power device 3 is a gas power device.
Using gas as a power device 3, namely pumping gas into the photobioreactor; the gas entering the photobioreactor can stir in the photobioreactor main body pipeline 2 and raise the liquid level of the microalgae culture solution in the photobioreactor main body pipeline 2, so that the microalgae culture solution overflows.
By adopting the structure, firstly, after the gas enters the microalgae culture solution, the culture solution cannot be adversely affected or the quality of the microalgae is not affected; secondly, the gas can stir the microalgae culture solution, so that the microalgae in the pipeline 2 of the photobioreactor main body can be in uniform contact with illumination, and the light can be effectively utilized.
Specifically, the gas power device comprises a gas source 301 and a gas pressure conveying pipe 302 for connecting the gas source 301 with the photobioreactor; wherein the gas source 301 may be, but is not limited to, an air compressor, a compressed air reservoir, a pressure tank for storing air, or a cylinder for storing compressed gas. The stored compressed gas may be, but is not limited to, compressed liquefied gas, carbon dioxide, oxygen, inert gas, or mixtures of the foregoing. The gas source 301 is used to provide gas under pressure.
Preferably, the power device 3 is connected with the photobioreactor main body pipeline 2 and forms a power connection end 4, the position of the power connection end 4 is not higher than the highest liquid level of the liquid in the photobioreactor main body pipeline 2, and the liquid in the photobioreactor main body pipeline 2 can overflow from the circulating liquid outlet end 202 in a driving state of the power device 3.
The specifications of the photobioreactor main body pipes 2 in the different specifications of the photobioreactor are also different; so that the microalgae culture solution in the pipe 2 of the photobioreactor main body can be raised to different degrees by the driving of the power device 3; therefore, the microalgae culture solution filled in the pipe 2 of the photobioreactor main body must not be lower than the lowest overflow liquid level at which the overflow phenomenon can occur in the pipe 2 of the photobioreactor main body of the specification.
Under the condition that the microalgae culture solution is lifted by gas stirring, the position of the power connecting end 4 is not higher than the highest liquid level of the microalgae culture solution currently loaded into the pipeline 2 of the photobioreactor main body, and the liquid level is not lower than the lowest overflow liquid level; ensures that the gas can stir the microalgae culture solution under the driving of the power device 3, and can make the liquid level rise and overflow from the circulating liquid outlet end 202.
Specifically, the gas pressure conveying pipe 302 is connected with the power connection end 4.
Preferably, the power connection end 4 is located at a position below the pipeline 2 of the photobioreactor main body.
By adopting the structure, the gas enters from the position which is lower than the pipeline 2 of the photobioreactor main body and then rises in the pipeline; the stirring range of the microalgae culture solution in the pipeline 2 of the photobioreactor main body is enlarged; further, the microalgae can be in uniform contact with illumination, so that light can be effectively utilized.
Preferably, the circulating liquid inlet end 201 and the circulating liquid outlet end 202 on the pipeline 2 of the photobioreactor main body have vertical height difference, and the circulating liquid inlet end 201 is formed at the lower end and the circulating liquid outlet end 202 is formed at the upper end; the circulating liquid outlet end 202 is connected with the upper part of the circulating buffer device 1, and the circulating liquid inlet end 201 is connected with the bottom of the circulating buffer device 1.
By adopting the structure, the power device 3 enables the liquid level in the pipeline 2 of the photobioreactor main body to be increased and overflow from the circulating liquid outlet end 202 with a higher position to the circulating buffer device 1, at the moment, the pressure of the circulating buffer device 1 is increased, so that the microalgae culture solution at the bottom in the circulating buffer device 1 enters the pipeline 2 of the photobioreactor main body through the circulating liquid inlet end 201 with a lower position to form circulation.
Preferably, the photobioreactor main body pipe 2 includes a plurality of main pipes 203, and elbows 204 for connecting the main pipes 203 with the main pipes 203; elbows 2041 are arranged at two ends of the elbow pipe 204; several of the main pipes 203 form a spirally rising pipe by means of the bent pipe 204.
By adopting the structure, the pipeline 2 of the photobioreactor main body integrally forms a spirally-coiled ascending pipeline, so that the space utilization rate is increased, and the culture amount of microalgae in the photobioreactor can be increased.
Specifically, the photobioreactor comprises a support 15, and the photobioreactor main body pipe 2 is fixed on the support 15.
Preferably, the power device 3 is connected with the photobioreactor main body pipeline 2 and forms a power connecting end 4; the elbow 204 includes a connecting pipe 2042 for connecting the two-end elbow 2041; the power connection end 4 is disposed on one of the connection pipes 2042.
The connecting pipe 2042 provided with the power connecting end 4 is a three-way pipe.
Specifically, the main pipe 203 and the connecting pipe 2042 are transparent pipes, so that the light acceptance rate of the main pipe 2 of the photobioreactor is increased, and the cultivation and growth of microalgae in the main pipe are facilitated.
Preferably, the circulation damper 1 is provided with a vent hole for discharging gas.
As the gas amount in the pipeline 2 of the photobioreactor main body increases, the pressure in the pipeline 2 of the photobioreactor main body increases, and in order to avoid the adverse effect of the excessive pressure on the microalgae, the circulation buffer device 1 is provided with an exhaust hole; the gas enters the pipeline 2 of the photobioreactor main body through the power connection end 4, rises in the pipeline, enters the circulating buffer device 1 from the circulating liquid outlet end 202, and is finally discharged from an exhaust hole.
Preferably, the photobioreactor comprises a booster pump 5, and the booster pump 5 is arranged on a pipeline between the circulation buffer device 1 and the circulation liquid inlet end 201.
By adopting the structure, the booster pump 5 can assist the power device 3 to act on the microalgae culture solution and provide boosting for the circulation of the microalgae culture solution.
Preferably, the photobioreactor comprises a cleaning ball inlet 6, and the cleaning ball inlet 6 is arranged on a pipeline between the booster pump 5 and the circulation liquid inlet end 201.
By adopting the structure, when the photobioreactor needs to be cleaned, the cleaning balls are put into the cleaning ball inlet 6, move along the pipeline 2 of the photobioreactor main body under the action of the booster pump 5, clean the pipeline, and finally enter the circulation buffer device 1.
Preferably, the photobioreactor main body pipe 2 is provided with an LED light source 7.
By adopting the structure, the LED light source 7 is used for supplementing light to the photobioreactor; is beneficial to the growth of the microalgae.
Preferably, the photobioreactor comprises an electrical control cabinet 8.
By adopting the structure, the electric appliance control cabinet 8 controls the photobioreactor to realize continuous and semi-continuous culture of microalgae culture solution.
Further, a first valve 9 is arranged on a pipeline between the circulating buffer device 1 and the booster pump 5; a second valve 10 is arranged on a pipeline between the booster pump 5 and the cleaning ball inlet 6; a third valve 11 is arranged on a pipeline between the cleaning ball inlet 6 and the circulating liquid inlet end 201; a fourth valve 12 is arranged on a pipeline between the circulating buffer tank and the circulating liquid outlet end 202.
Further, a first liquid discharge port 13 is arranged on a pipeline between the resistance pump and the second valve 10; a second liquid outlet 14 is arranged on the pipeline between the fourth valve 12 and the circulating liquid outlet end 202.
By adopting the structure, different working states of the photobioreactor can be realized;
the first working mode is as follows: opening the first valve 9, the second valve 10, the third valve 11 and the fourth valve 12, closing the booster pump 5, and closing the first liquid discharge port 13 and the second liquid shooting port; the microalgae culture solution only completes circulation under the driving of the power device 3, and the booster pump 5 is equivalent to a pipeline and does not provide any boosting force.
And a second working mode: opening the first valve 9, the second valve 10, the third valve 11 and the fourth valve 12, starting the booster pump 5, and closing the first liquid discharge port 13 and the second liquid shooting port; the microalgae culture solution completes circulation under the driving of the power device 3 and the booster pump 5, and at the moment, the booster pump 5 provides circulation boosting for the microalgae culture solution.
A first cleaning mode: the second valve 10 and the third valve 11 are closed firstly, so that the cleaning ball inlet 6 is independent, and the liquid in the pipe is prevented from flowing out in the process of putting the cleaning ball; after cleaning balls are put in, opening a second valve 10 and a third valve 11, and connecting a pipeline filled with the cleaning balls; and closing the first liquid discharge port 13 and the second liquid discharge port 14, starting the booster pump 5, and cleaning the pipeline by the cleaning ball under the action of the booster pump 5.
And a second cleaning mode: the circulation buffer device 1 is filled with clean water, the first valve 9, the second valve 10, the third valve 11, the second liquid discharge port 14 and the booster pump 5 are opened, the fourth valve 12 is closed, the clean water is driven by the booster pump 5 to clean the pipeline, and the cleaned water is intercepted at the fourth valve 12 and flows out of the second liquid discharge port 14.
Sampling mode: the microalgae culture solution in the photobioreactor can be sampled by opening the first liquid discharge port 13.
A discharging mode: and (3) opening the first valve 9, the second valve 10, the third valve 11, the second liquid outlet 14 and the booster pump 5, and closing the fourth valve 12, so that the microalgae culture solution in the photobioreactor is discharged from the second liquid outlet 14 and discharged under the driving of the booster pump 5.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A photobioreactor, comprising: comprises a circulating buffer device (1), a photobioreactor main body pipeline (2) and a power device (3); the pipeline (2) of the photobioreactor main body is provided with a circulating liquid inlet end (201) and a circulating liquid outlet end (202) which are respectively connected with the circulating buffer device (1); the power device (3) drives the liquid in the pipeline (2) of the photobioreactor main body to rise and overflow from the circulating liquid outlet end (202) to the circulating buffer device (1).
2. The photobioreactor according to claim 1, wherein: the power device (3) is a gas power device.
3. The photobioreactor according to claim 1, wherein: the power device (3) is connected with the photobioreactor main body pipeline (2) to form a power connecting end (4), and the position of the power connecting end (4) is not higher than the highest liquid level of liquid in the photobioreactor main body pipeline (2); and under the driving state of the power device (3), the liquid in the pipeline (2) of the photobioreactor main body can overflow from the circulating liquid outlet end (202).
4. The photobioreactor according to claim 3, wherein: the power connecting end (4) is positioned at the position below the pipeline (2) of the photobioreactor main body.
5. The photobioreactor according to claim 1, wherein: the circulating liquid inlet end (201) and the circulating liquid outlet end (202) on the pipeline (2) of the photobioreactor main body have vertical height difference, the circulating liquid inlet end (201) is formed at the lower end, and the circulating liquid outlet end (202) is formed at the upper end; the circulating liquid outlet end (202) is connected with the upper part of the circulating buffer device (1), and the circulating liquid inlet end (201) is connected with the bottom of the circulating buffer device (1).
6. The photobioreactor according to claim 1, wherein: the photobioreactor main body pipeline (2) comprises a plurality of main pipes (203) and bent pipes (204) for connecting the main pipes (203) with the main pipes (203); two ends of the elbow (204) are provided with elbows (2041); the main pipes (203) form a spirally wound ascending pipeline by means of the bent pipes (204).
7. The photobioreactor according to claim 6, wherein: the power device (3) is connected with the photobioreactor main body pipeline (2) to form a power connecting end (4); the elbow (204) comprises a connecting pipe (2042) for connecting two elbows (2041); the power connection end (4) is arranged on one of the connecting pipes (2042).
8. The photobioreactor according to claim 1, wherein: the circulation buffer device (1) is provided with an exhaust hole for exhausting gas.
9. The photobioreactor according to claim 1, wherein: the device comprises a booster pump (5), wherein the booster pump (5) is arranged on a pipeline between the circulating buffer device (1) and the circulating liquid inlet end (201).
10. The photobioreactor according to claim 9, wherein: the cleaning ball inlet (6) is arranged on a pipeline between the booster pump (5) and the circulating liquid inlet end (201).
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CN202021402990.9U CN212741323U (en) | 2020-07-16 | 2020-07-16 | Photo-bioreactor |
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CN202021402990.9U CN212741323U (en) | 2020-07-16 | 2020-07-16 | Photo-bioreactor |
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