CN110777054B - Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency - Google Patents

Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency Download PDF

Info

Publication number
CN110777054B
CN110777054B CN201911097816.XA CN201911097816A CN110777054B CN 110777054 B CN110777054 B CN 110777054B CN 201911097816 A CN201911097816 A CN 201911097816A CN 110777054 B CN110777054 B CN 110777054B
Authority
CN
China
Prior art keywords
pipe
cutting
reactor
bubble
flow type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911097816.XA
Other languages
Chinese (zh)
Other versions
CN110777054A (en
Inventor
种法政
李楠
张硕
殷月
汪海燕
梁鑫斌
张显燃
李杭蔚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing University
Original Assignee
Chongqing University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing University filed Critical Chongqing University
Priority to CN201911097816.XA priority Critical patent/CN110777054B/en
Publication of CN110777054A publication Critical patent/CN110777054A/en
Application granted granted Critical
Publication of CN110777054B publication Critical patent/CN110777054B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/02—Means for regulation, monitoring, measurement or control, e.g. flow regulation of foam
    • C12M41/04—Means for foam enhancement
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/02—Photobioreactors
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
    • C12M29/06—Nozzles; Sprayers; Spargers; Diffusers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The invention discloses a controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency, which comprises a reactor, an air chamber, an air bubble generator and a flow dispersion rotary aeration device, wherein the reactor is provided with a gas inlet and a gas outlet; the reactor is positioned on the upper side of the air chamber, and the bubble generator is arranged in the air chamber and comprises eight claw pipes, a water pump and a Venturi tube; the Venturi tube is connected with a connecting pipeline, and the connecting pipeline extends out of the air chamber and then is connected with a hose; the hose is connected with a bubble conveying pipe, and the bubble conveying pipe extends into the reactor; the flow-dispersing rotary-type cloth exposure device comprises a motor, a transmission shaft and a cutting device; the cutting device comprises three layers of cutting disks which are arranged at intervals and sleeved on the lower portion of the transmission shaft, and a plurality of protruding thorns are arranged on the lower side of the upper layer of cutting disk and the upper and lower sides of the middle cutting disk and the lower layer of cutting disk. The invention can CO2The formed bubbles have smaller volume and are uniformly distributed, so that the carbon fixation and mass transfer efficiency of the microalgae is greatly improved, and the energy-saving and emission-reducing concepts are greatly enriched.

Description

Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency
Technical Field
The invention relates to the technical field of microalgae cultivation, in particular to a controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency.
Background
Due to the large development of the human industry, CO is discharged as greenhouse gas2The excessive emission phenomenon of the diesel engine causes the problem of increasing global warming, and the global temperature is not highIncreasingly, it is already sufficient to influence species survival globally, and therefore how to reduce greenhouse gas emissions has been a common global goal.
The microalgae has high growth speed and is easy to be cultured in large scale, and the microalgae biomass is utilized to absorb CO2Have been used in engineering applications. Microalgae utilizing CO2The two forms are one of CO dissolved in solution2The molecule enters the algal cell by direct diffusion, and the other is CO2Conversion of molecules to HCO by extracellular carbonic anhydrase catalysis3Entering the cell by active transport and decomposing again intracellularly to CO2Can be used for photosynthesis of microalgae.
Conventional microalgae photobioreactor is mainly prepared by introducing CO2Into a microalgae solution, but in CO2In the process of introducing the microalgae solution, the problems of different sizes and uneven distribution of bubbles exist, so that the CO is greatly reduced2Utilization ratio of (2); causes the defects of uneven mixing, difficult control of culture conditions and the like in the reactor, and influences the growth, the light energy utilization rate, the carbon sequestration efficiency of the microalgae and the like.
Disclosure of Invention
In view of the above-mentioned disadvantages of the prior art, the present invention is directed to solving the problems of CO2The formed bubbles are different in size and uneven in distribution, the problems of slow growth of microalgae, low light energy utilization rate and low carbon sequestration efficiency of the microalgae are caused, and the controllable turbulence type microalgae culture device capable of effectively improving the carbon sequestration efficiency is provided.
In order to solve the technical problem, the technical scheme adopted by the invention is as follows: a controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency is characterized in that: comprises a reactor, a gas chamber, a bubble generator and a dispersed flow rotary type cloth aerator; the reactor is of an open structure with an open upper part, the gas chamber is of a closed box structure, and the reactor is positioned on the upper side of the gas chamber and is fixedly connected with the gas chamber; one side of the air chamber is provided with an air inlet pipe communicated with the air chamber, and one end of the air inlet pipe connected with the air chamber is provided with a pressure stabilizing valve; the top of the gas chamber is provided with a gas outlet pipe, the lower end of the gas outlet pipe is communicated with the gas chamber, the upper end of the gas outlet pipe extends into the reactor, the upper end of the gas outlet pipe is provided with a one-way valve, and only gas in the gas chamber can enter the reactor through the one-way valve;
the bubble generator is arranged in the air chamber and comprises eight claw pipes, a water pump and a Venturi pipe; the eight-claw pipe comprises a main pipe and eight branch pipes connected with the same end of the main pipe, the water inlet end of the water pump is communicated with the bottom of the reactor through a liquid inlet pipe, and the water outlet end of the water pump is communicated with one end of the main pipe of the eight-claw pipe; the branch pipes are uniformly distributed around the main pipe for one circle, one end of each branch pipe is communicated with the other end of the main pipe, and the other end of each branch pipe is connected with one end of the venturi pipe; the other end of the Venturi tube is respectively connected with one end of a connecting pipeline, and the other end of the connecting pipeline extends out of the air chamber and then is connected with one end of a hose; the other end of the hose is connected with one end of a bubble conveying pipe, and the other end of the bubble conveying pipe inclines upwards and then extends into the reactor;
the flow-dispersing rotary-type cloth exposure device comprises a motor, a transmission shaft and a cutting device; the motor is arranged above the reactor and is fixedly connected with the reactor through a plurality of supporting rods, and a motor shaft of the motor is arranged vertically downwards; the upper end of the transmission shaft is fixedly connected with a motor shaft, the lower end of the transmission shaft extends into the reactor and is positioned above the upper end of the bubble conveying pipe; the cutting device comprises three layers of cutting disks which are arranged at intervals and sleeved at the lower part of the transmission shaft, a plurality of through holes are formed in the cutting disks, the upper layer of cutting disk and the lower layer of cutting disk are rotatably connected with the transmission shaft through bearings, and the middle cutting disk is fixedly connected with the rotating shaft; the cutting discs are of bowl-shaped structures with large upper parts and small lower parts, and a plurality of convex thorns are arranged on the lower side of the upper-layer cutting disc and the upper and lower sides of the middle cutting disc and the lower-layer cutting disc; the upper end of the air outlet pipe is positioned right below the middle part of the lower cutting disc.
Furthermore, a bias flow type bubble cutting pipe is also arranged on the upper side of the part of the bubble conveying pipe extending into the reactor, one end of the bias flow type bubble cutting pipe is communicated with the bubble conveying pipe, and the other end of the bias flow type bubble cutting pipe is inclined upwards to one side direction of the reactor and extends to the lower side of the lower layer cutting disc; the upper side of the upper part of the bias flow type bubble cutting pipe is an open structure to form an open section, and a plurality of convex thorns are also arranged on the lower side of the open section.
Further, the upper end of the bubble conveying pipe is positioned below the lower-layer cutting disc and close to the middle of the lower side of the lower-layer cutting disc.
Further, the bubble conveying pipes are uniformly distributed around the reactor.
Furthermore, the convex thorns on the upper layer cutting disc, the middle cutting disc and the lower layer cutting disc are uniformly distributed on the circumference of the same axial lead with the transmission shaft, and the convex thorns between the two adjacent layers of cutting discs are alternately distributed along the radial direction of the cutting discs.
Compared with the prior art, the invention has the following advantages:
1. the reactor in the device adopts a mode of combining an eight-claw pipe-based bubble generator and a (bubble) cutting device-based flow-dispersing rotary-type cloth aerator, so that the size of bubbles can be better controlled, and smaller and more uniform bubble groups can be obtained; thereby greatly improving the CO content of the microalgae2Utilization ratio of (2); the growth of the microalgae is faster, the light energy utilization rate and the carbon sequestration efficiency of the microalgae are higher; and effectively relieves the energy crisis and produces biological energy.
2. The effluent of the bubble generator with the eight-claw pipe structure can drive the algae liquid to circulate to achieve a micro-dynamic process, so that all parts of the microalgae can uniformly absorb light energy, and higher light energy utilization rate and CO are achieved2The utilization ratio of (2).
3. The flow-dispersing rotary-type cloth aerator in the reactor is provided with three layers of cutting discs, and the cutting discs are provided with convex thorns, so that gas can form bubble groups with uniform size and uniform distribution in the solution, and the bubble groups are fully and uniformly contacted with the algae liquid and are beneficial to the growth of microalgae; higher-quality microalgae can be obtained through a better mixing effect, and the utilization of later biomass energy is facilitated; the rotation of the middle cutting disc of the three-layer structure of the flow scattering rotary type cloth exposer increases the rotation angular velocity of the bubble micro-cluster, so that the tangential stress borne by the bubble is increased, and the pressure on the surface of the bubble is increased, so that the diameter of the bubble can be effectively reduced; make the bubble cut many times, and not only can effectively reduce the bubble diameter through rotating and can make algae liquid and bubble contact more abundant simultaneously, strengthen the vortex when playing the stirring effect, reduce the coalescence of bubble to the time that the bubble rises has been prolonged, greatly improved little algae reaction's mass transfer efficiency and solid carbon efficiency, demonstrate splendid economic nature again simultaneously.
4. The device is integrally unified and stable, each part is clearly and reasonably divided, and the effect of 'performing the other' is achieved, the whole system device can move parts such as a Venturi tube, a bias flow type bubble cutting tube, a dispersed flow rotary type exposure device, a pressure stabilizing valve and the like to work together, the functions of all the parts are maximized, and the specific effect can be summarized as 'one mass transfer, two foaming and three expansion four cutting'; greatly improves the carbon fixation and mass transfer efficiency of the microalgae, and is rich in the concept of energy conservation and emission reduction.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a reactor 1, a gas chamber 2, a gas inlet pipe 3, a check valve 4, an eight-claw pipe 5, a water pump 6, a Venturi tube 7, a hose 8, a bubble conveying pipe 9, a motor 10, a transmission shaft 11, a cutting disc 12, a convex thorn 13 and a bias flow type bubble cutting pipe 14.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
Example (b): referring to fig. 1, a controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency comprises a reactor 1, a gas chamber 2, a bubble generator and a dispersed flow rotary aeration device. The reactor 1 is of an open structure with an open upper part, the gas chamber 2 is of a closed box structure, and the reactor 1 is positioned on the upper side of the gas chamber 2 and is fixedly connected with the gas chamber 2; during manufacturing, the reactor 1 is of a cylindrical structure made of transparent materials, so that the reactor 1 also has the advantages of easiness in monitoring and controlling culture conditions and the like, and the device is more convenient to inspect and maintain. An air inlet pipe 3 communicated with the air chamber 2 is arranged at one side of the air chamber 2, and a pressure stabilizing valve is arranged at one end of the air inlet pipe 3 connected with the air chamber 2; the pressure stabilizing valve is arranged, so that the internal pressure of the reactor 1 can be kept stable, the reactor 1 is prevented from being cracked and wasted, and the service life of the device is prolonged. At the top of the air chamber 2The lower end of the air outlet pipe is communicated with the air chamber 2, the upper end of the air outlet pipe extends into the reactor 1, the upper end of the air outlet pipe is provided with a one-way valve 4, and only the gas in the air chamber 2 can enter the reactor 1 through the one-way valve 4. During specific implementation, the one-way valve 4 is an air pressure valve with a self-adjusting function, so that automatic adjustment of the bubble rate is realized, constant air pressure is achieved, and meanwhile, the size and the rate of the bubble outlet can be effectively and automatically controlled to ensure that CO required by bubbles and algae liquid2And (4) matching. In the working process, a microalgae culture solution is injected into the reactor 1, and then CO-containing gas is introduced into the gas chamber 22For microalgae cultivation and CO2And (4) removing.
The bubble generator is arranged in the air chamber 2 and comprises an eight-claw pipe 5, a water pump 6 and a Venturi tube 7. The eight-claw pipe 5 comprises a main pipe and eight branch pipes connected with the same end of the main pipe, the water inlet end of the water pump 6 is communicated with the bottom of the reactor 1 through a liquid inlet pipe, and the water outlet end of the water pump is communicated with one end of the main pipe of the eight-claw pipe 5. The branch pipe is evenly distributed around the main pipe for a circle, one end of the branch pipe is communicated with the other end of the main pipe, and the other end of the branch pipe is connected with one end of the Venturi tube 7. The eight branch pipes are adopted, so that the flowing efficiency of the liquid can be effectively improved; micro bubbles are formed by utilizing the Venturi principle, and CO is greatly improved2The mass transfer efficiency of (2). The other end of the venturi tube 7 is connected with one end of a connecting pipeline respectively, and the other end of the connecting pipeline extends out of the air chamber 2 and then is connected with one end of a hose 8. The other end of the hose 8 is connected with one end of a bubble conveying pipe 9, and the other end of the bubble conveying pipe 9 inclines upwards and then extends into the reactor 1. The bubble conveying pipes 9 are uniformly distributed around the reactor 1 for one circle; therefore, the bubble conveying efficiency and the bubble cutting efficiency of the dispersed flow rotary type cloth exposing device can be effectively improved.
In specific implementation, a deflective flow type bubble cutting pipe 14 is further arranged on the upper side of the part of the bubble conveying pipe 9 extending into the reactor, one end of the deflective flow type bubble cutting pipe 14 is communicated with the bubble conveying pipe 9, and the other end of the deflective flow type bubble cutting pipe is inclined upwards and extends to the lower layer of the lower layer cutting disc 12. The upper side of the upper part of the bias flow type bubble cutting pipe 14 is an open structure to form an open section, and a plurality of convex thorns 13 are also arranged on the lower side of the open section. Wherein, the inclined angle of 30 degrees is formed between the bias flow type bubble cutting pipe 14 and the bubble conveying pipe 9, thus, the bias flow type bubble cutting pipe 14 upwards cuts and sends out the bubbles, so that the bubbles can still ensure sufficient kinetic energy to enter the flow dispersing aerator after being cut, and the bubbles are cut and simultaneously ensured to be uniformly distributed in the reaction device.
The free-flow rotary-type cloth exposer comprises a motor 10, a transmission shaft 11 and a (bubble) cutting device. The motor 10 is arranged above the reactor 1 and is fixedly connected with the reactor 1 through a plurality of support rods, and the shaft of the motor 10 is arranged downwards vertically; the upper end of the transmission shaft 11 is fixedly connected with a motor 10 shaft through a coupler, extends into the reactor 1 below the transmission shaft and is positioned above the upper end of the bubble delivery pipe 9. The cutting device comprises three layers of cutting disks 12 which are arranged at intervals and sleeved at the lower part of the transmission shaft 11, and a plurality of through holes are formed in each cutting disk 12 and used for air bubbles to penetrate through; wherein, the upper layer cutting disc 12 and the lower layer cutting disc 12 are rotatably connected with the transmission shaft 11 through bearings, and the middle cutting disc 12 is fixedly connected with the rotating shaft; the cutting discs 12 are of bowl-shaped structures with large upper parts and small lower parts, and a plurality of convex thorns 13 are arranged on the lower side of the upper-layer cutting disc 12 and the upper and lower sides of the middle cutting disc and the lower-layer cutting disc 12. The flow-dispersing rotary-type cloth aerator is provided with three layers of cutting disks 12, the cutting disks 12 are provided with convex thorns 13, the cutting times are increased and bubbles are reduced as much as possible in the rotating process of the middle layer cutting disk 12, so that gas can form bubble groups with uniform size and uniform distribution in solution, the bubble groups are fully and uniformly contacted with algae liquid, and the growth of microalgae is facilitated; higher-quality microalgae can be obtained through a better mixing effect, and the utilization of later biomass energy is facilitated; the rotation of the middle cutting disc 12 of the three-layer structure of the flow scattering rotary type cloth exposer increases the rotation angular velocity of the bubble micro-cluster, so that the tangential stress borne by the bubble is increased, and the pressure on the surface of the bubble is increased, so that the diameter of the bubble can be effectively reduced; make the bubble cut many times, and not only can effectively reduce the bubble diameter through rotating and can make algae liquid and bubble contact more abundant simultaneously, strengthen the vortex when playing the stirring effect, reduce the coalescence of bubble to the time that the bubble rises has been prolonged, greatly improved little algae reaction's mass transfer efficiency and solid carbon efficiency, demonstrate splendid economic nature again simultaneously. In specific implementation, the convex thorns 13 on the upper cutting disk 12, the middle cutting disk 12 and the lower cutting disk 12 are all distributed on the circumference coaxial with the transmission shaft 11, and the convex thorns 13 between two adjacent layers of cutting disks 12 are alternately distributed along the radial direction of the cutting disks 12; thereby avoiding interference between the projections of the adjacent two layers of cutting discs 12. In order to further improve the bubble cutting efficiency, the upper end of the bubble conveying pipe 9 is positioned below the lower-layer cutting disc 12 and close to the middle of the lower side of the lower-layer cutting disc 12; the upper end of the air outlet pipe is positioned right below the middle part of the lower cutting disc, so that generated bubbles can quickly and directly enter the bubble cutting device. During operation, the air bubbles are firstly cut by the convex thorns 13 on the lower side of the lower cutting disk 12, then penetrate through the lower cutting disk 12 to enter between the lower cutting disk 12 and the middle cutting disk 12, are cut by the convex thorns 13 between the middle cutting disk 12 and the lower cutting disk 12 under the rotation of the middle cutting disk 12, then penetrate through the through holes on the middle cutting disk 12 to enter between the middle cutting disk 12 and the upper cutting disk 12, are cut again by the convex thorns 13 between the middle cutting disk 12 and the upper cutting disk 12, and finally penetrate through the upper cutting disk 12 to form the air bubbles with smaller diameter and more uniform size.
In the device, the reactor 1 adopts a mode of combining the bubble generator based on the eight-claw pipe 5 and the dispersed flow rotary type aeration device based on the cutting device, so that the size of bubbles can be better controlled, smaller and more uniform bubble groups can be obtained, the mass transfer process is enhanced, and a better mixing effect is realized; thereby greatly improving the CO content of the microalgae2Utilization ratio of (2); the produced microalgae has higher quality, thereby being beneficial to the extraction and utilization of the biomass energy of the microalgae. The effluent of the bubble generator with the structure of the eight-claw pipe 5 can drive the algae liquid to circulate to achieve a micro-dynamic process, so that all parts of the microalgae can uniformly absorb light energy, and higher light energy utilization rate and CO (carbon monoxide) are achieved2Utilization ratio of (2); the growth of the microalgae is faster, the light energy utilization rate and the carbon sequestration efficiency of the microalgae are high.
In the device, the reactor 1 forms a culture solution runway through the water pump 6, the eight-claw pipe 5 and the bubble conveying pipe 9, so that the aim of circulating the culture solution is achieved, and the algae solution is driven by the aid of the buoyancy of rising bubbles to achieve the purpose of strengthening turbulent flow and obtaining a better mixing effect. The flow-dispersing rotary-type aeration device in the reactor 1 can enable gas to form bubble groups with uniform size and uniform distribution in the culture solution, so that the bubble groups are fully and uniformly contacted with the algae solution, and the growth of microalgae is facilitated; higher-quality microalgae can be obtained by better mixing effect, and the utilization of later biomass energy is facilitated.
The device has uniform foaming and high mass transfer efficiency, and the adding rotation not only plays a role of stirring, but also can effectively reduce the diameter of bubbles so as to generate more bubble diameters which enable the reaction to reach the maximum efficiency; can effectively cut bubbles to reduce the diameter of the bubbles, thereby leading the carbon fixation efficiency to be higher.
The device is integrally unified and stable, each part is clearly and reasonably divided, and the effect of 'performing the other' is achieved, the whole system device can move the Venturi tube 7, the bias flow type bubble cutting tube 14, the dispersed flow rotary type exposure device, the pressure stabilizing valve and other parts to work together, the functions of all the parts are maximized, and the specific effect can be summarized as 'one mass transfer, two foaming and three expansion four cutting'; greatly improves the carbon fixation and mass transfer efficiency of the microalgae, and is rich in the concept of energy conservation and emission reduction. The biomass energy after carbon sequestration of the microalgae can be reused, such as power generation, oil production or hydrogen production and the like, and energy required by secondary reaction is saved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.

Claims (5)

1. A controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency is characterized in that: comprises a reactor, a gas chamber, a bubble generator and a dispersed flow rotary type cloth aerator; the reactor is of an open structure with an open upper part, the gas chamber is of a closed box structure, and the reactor is positioned on the upper side of the gas chamber and is fixedly connected with the gas chamber; one side of the air chamber is provided with an air inlet pipe communicated with the air chamber, and one end of the air inlet pipe connected with the air chamber is provided with a pressure stabilizing valve; the top of the gas chamber is provided with a gas outlet pipe, the lower end of the gas outlet pipe is communicated with the gas chamber, the upper end of the gas outlet pipe extends into the reactor, the upper end of the gas outlet pipe is provided with a one-way valve, and only gas in the gas chamber can enter the reactor through the one-way valve;
the bubble generator is arranged in the air chamber and comprises eight claw pipes, a water pump and a Venturi pipe; the eight-claw pipe comprises a main pipe and eight branch pipes connected with the same end of the main pipe, the water inlet end of the water pump is communicated with the bottom of the reactor through a liquid inlet pipe, and the water outlet end of the water pump is communicated with one end of the main pipe of the eight-claw pipe; the branch pipes are uniformly distributed around the main pipe for one circle, one end of each branch pipe is communicated with the other end of the main pipe, and the other end of each branch pipe is connected with one end of the venturi pipe; the other end of the Venturi tube is respectively connected with one end of a connecting pipeline, and the other end of the connecting pipeline extends out of the air chamber and then is connected with one end of a hose; the other end of the hose is connected with one end of a bubble conveying pipe, and the other end of the bubble conveying pipe inclines upwards and then extends into the reactor;
the flow-dispersing rotary-type cloth exposure device comprises a motor, a transmission shaft and a cutting device; the motor is arranged above the reactor and is fixedly connected with the reactor through a plurality of supporting rods, and a motor shaft of the motor is arranged vertically downwards; the upper end of the transmission shaft is fixedly connected with a motor shaft, and the lower part of the transmission shaft extends into the reactor and is positioned above the upper end of the bubble conveying pipe; the cutting device comprises three layers of cutting disks which are arranged at intervals and sleeved at the lower part of the transmission shaft, a plurality of through holes are formed in the cutting disks, the upper layer of cutting disk and the lower layer of cutting disk are rotatably connected with the transmission shaft through bearings, and the middle cutting disk is fixedly connected with the rotating shaft; the cutting discs are of bowl-shaped structures with large upper parts and small lower parts, and a plurality of convex thorns are arranged on the lower side of the upper-layer cutting disc and the upper and lower sides of the middle cutting disc and the lower-layer cutting disc; the upper end of the air outlet pipe is positioned right below the middle part of the lower cutting disc.
2. The controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon sequestration efficiency according to claim 1, characterized in that: a bias flow type bubble cutting pipe is also arranged on the upper side of the part of the bubble conveying pipe extending into the reactor, one end of the bias flow type bubble cutting pipe is communicated with the bubble conveying pipe, and the other end of the bias flow type bubble cutting pipe is inclined upwards to one side direction of the reactor and extends to the lower side of the lower layer cutting disc; the upper side of the upper part of the bias flow type bubble cutting pipe is an open structure to form an open section, and a plurality of convex thorns are also arranged on the lower side of the open section.
3. The controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon sequestration efficiency according to claim 1, characterized in that: the upper end of the bubble conveying pipe is positioned below the lower-layer cutting disc and close to the middle of the lower side of the lower-layer cutting disc.
4. The controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon sequestration efficiency according to claim 1, characterized in that: the bubble conveying pipes are uniformly distributed around the reactor for one circle.
5. The controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon sequestration efficiency according to claim 1, characterized in that: the convex thorns on the upper layer cutting disc, the middle cutting disc and the lower layer cutting disc are uniformly distributed on the circumference which is coaxial with the transmission shaft, and the convex thorns between the two adjacent layers of cutting discs are alternately distributed along the radial direction of the cutting discs.
CN201911097816.XA 2019-11-12 2019-11-12 Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency Active CN110777054B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911097816.XA CN110777054B (en) 2019-11-12 2019-11-12 Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911097816.XA CN110777054B (en) 2019-11-12 2019-11-12 Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency

Publications (2)

Publication Number Publication Date
CN110777054A CN110777054A (en) 2020-02-11
CN110777054B true CN110777054B (en) 2021-09-14

Family

ID=69390369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911097816.XA Active CN110777054B (en) 2019-11-12 2019-11-12 Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency

Country Status (1)

Country Link
CN (1) CN110777054B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102634443A (en) * 2012-05-08 2012-08-15 青岛中仁药业有限公司 Abnormal fermenting device for microalgae
CN202558854U (en) * 2012-05-08 2012-11-28 青岛中仁药业有限公司 Microalgae abnormal fermenting device
CN106613890A (en) * 2016-12-05 2017-05-10 浙江海洋大学 Circulating marine aquaculture system based on membrane method microalgae cultivation
WO2018030621A1 (en) * 2016-08-10 2018-02-15 주식회사 에네트 Movable algae removing device using positive microbubbles
CN108060063A (en) * 2018-02-09 2018-05-22 长安大学 A kind of multi-functional microalgae flotation unit and operating method
US20180371391A1 (en) * 2015-06-17 2018-12-27 Siftex Equipment Company, Inc. Pure algae growth system and method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH578618A5 (en) * 1973-08-30 1976-08-13 Mueller Hans Maennedorf
CA2792904A1 (en) * 2010-03-12 2011-09-15 Solix Biosystems, Inc. Systems and methods for positioning flexible floating photobioreactors
JP5800185B2 (en) * 2011-07-15 2015-10-28 雅 田篭 Microbubble generating once-through pump
US9243219B2 (en) * 2012-03-19 2016-01-26 Geronimos Dimitrelos System and method for producing algae
CN203238251U (en) * 2013-04-23 2013-10-16 新奥科技发展有限公司 Microalgae culture pond with novel aeration device
CN103979665B (en) * 2014-04-25 2015-04-22 中国科学技术大学 Double-fluid micro-bubble spraying generating device
US9533900B2 (en) * 2014-10-30 2017-01-03 Wells Tudor, Llc Aerator/digester for water treatment
CN205398612U (en) * 2016-03-21 2016-07-27 山东大学 Improve photobioreactor of little algae growth rate
TWM532144U (en) * 2016-07-29 2016-11-21 聿新生物科技股份有限公司 Algae air circulation culture device
CN106367333B (en) * 2016-11-11 2018-09-21 北京化工大学 A kind of tubular type bioreactor CO2Device for thinning
WO2018174892A1 (en) * 2017-03-23 2018-09-27 Xinova, LLC Fill probe for detecting carbonation
CN109200839A (en) * 2018-10-16 2019-01-15 江苏大学 A kind of venturi type micro bubble generation device
CN109966939A (en) * 2019-03-27 2019-07-05 浙江大学 A kind of Venturi type microbubble generator and gas-liquid producer
CN110723837A (en) * 2019-09-09 2020-01-24 多路发环境净化技术(福建)有限公司 Zero release sewage treatment system
CN112194262A (en) * 2020-09-28 2021-01-08 重庆大学 Magnetic drive rotary mixing type microporous aerator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102634443A (en) * 2012-05-08 2012-08-15 青岛中仁药业有限公司 Abnormal fermenting device for microalgae
CN202558854U (en) * 2012-05-08 2012-11-28 青岛中仁药业有限公司 Microalgae abnormal fermenting device
US20180371391A1 (en) * 2015-06-17 2018-12-27 Siftex Equipment Company, Inc. Pure algae growth system and method
WO2018030621A1 (en) * 2016-08-10 2018-02-15 주식회사 에네트 Movable algae removing device using positive microbubbles
CN106613890A (en) * 2016-12-05 2017-05-10 浙江海洋大学 Circulating marine aquaculture system based on membrane method microalgae cultivation
CN108060063A (en) * 2018-02-09 2018-05-22 长安大学 A kind of multi-functional microalgae flotation unit and operating method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"基于泡沫浮选的能源微藻采收实验研究";张海阳等;《可再生能源》;20160228;第34卷(第2期);第268-273页 *

Also Published As

Publication number Publication date
CN110777054A (en) 2020-02-11

Similar Documents

Publication Publication Date Title
CN103011430B (en) Aerating and oxygenating device
Chai et al. Enhanced removal of carbon dioxide and alleviation of dissolved oxygen accumulation in photobioreactor with bubble tank
CN102689993A (en) Efficient oxygen increasing device and method
CN111763604B (en) Pig farm fermentation tail liquid continuous treatment system for efficiently culturing coupled microalgae and operation process thereof
WO2020038302A1 (en) Rotary self-suction dish-shaped nano-bubble generating apparatus
CN203530035U (en) Jet aerator
CN209155724U (en) A kind of high efficient gas and liquid mixing arrangement
CN205550170U (en) Micro -nano bubble water generating device of low energy consumption
CN110777054B (en) Controllable turbulent flow type microalgae cultivation device capable of effectively improving carbon fixation efficiency
CN108128909B (en) Laminar flow exchange type micro-nano oxygenation water activating machine
WO2019162971A1 (en) An improved aeration system for bioreactor, fermenter and process vessel
CN205623935U (en) Fishing pool oxygenation system based on gas -liquid mixture cutting
US10160945B2 (en) Horizontal immersion cover type carbon supplement device and carbon supplement method used for microalgae culture in open pond
CN111747545A (en) Three-layer staggered variable-aperture shearing aerator and method for cultivating microalgae by circulating backwater thereof
CN206613403U (en) Gas collection redistributes fin rotor in a kind of pipeline
CN106807268A (en) Gas collection redistribution fin rotor in a kind of pipeline
CN104787906A (en) Partitioned circulation blast aerator and method adopting same
CN206204319U (en) A kind of tubular type bioreactor CO2 aerators
CN111808724B (en) Biological membrane suspension combined type photobioreactor for efficiently purifying biogas slurry by microalgae
US9567557B2 (en) Trap-type carbon replenishing device for culturing microalgae of opened pool and carbon replenishing method thereof
CN206157157U (en) Tubular photobioreactor CO2 refines device
CN209030896U (en) A kind of breeding water dissolved oxygen aerator
CN2223554Y (en) Biologic type aerating machine
CN205320948U (en) Dive formula turbine oxygen -increasing machine
CN214360489U (en) Porous aeration device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant