CN111592979A - Screening device for grading algae body of algae suspension inflation continuous culture - Google Patents
Screening device for grading algae body of algae suspension inflation continuous culture Download PDFInfo
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- 241000195493 Cryptophyta Species 0.000 title claims abstract description 144
- 238000012216 screening Methods 0.000 title claims abstract description 141
- 239000000725 suspension Substances 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 98
- 238000005273 aeration Methods 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 241001233242 Lontra Species 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 7
- 238000012258 culturing Methods 0.000 description 5
- 241000192700 Cyanobacteria Species 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001338 necrotic effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000192542 Anabaena Species 0.000 description 1
- 235000016425 Arthrospira platensis Nutrition 0.000 description 1
- 240000002900 Arthrospira platensis Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241000192656 Nostoc Species 0.000 description 1
- 240000001131 Nostoc commune Species 0.000 description 1
- 235000013817 Nostoc commune Nutrition 0.000 description 1
- 241000692932 Nostoc flagelliforme Species 0.000 description 1
- 235000021529 Nostoc flagelliforme Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004178 biological nitrogen fixation Methods 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 239000012531 culture fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000002803 fossil fuel Substances 0.000 description 1
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- 238000010353 genetic engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 229940082787 spirulina Drugs 0.000 description 1
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- 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
- C12M29/02—Percolation
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- 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
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- 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
- C12M29/20—Degassing; Venting; Bubble traps
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- 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
- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
- C12M37/04—Seals
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- 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
- C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
-
- 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
- C12M41/48—Automatic or computerized control
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- 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
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/02—Separating microorganisms from the culture medium; Concentration of biomass
Abstract
The invention discloses a screening device for grading algae bodies subjected to suspension aeration continuous culture of algae, which comprises an algae continuous culture device and a screening device, wherein the screening device comprises a screening box body and at least one screening screen plate, each screening screen plate is arranged in the screening box body and divides the screening box body into a plurality of screening spaces, a liquid level device is arranged in each screening space at the end part of the screening box body, the screening spaces are connected with a first liquid discharge pipe, the pore diameter of each screening screen plate is sequentially reduced, a second liquid discharge pipe is arranged on the bottom wall of each screening space which is not connected with the first liquid discharge pipe, and the first electromagnetic valve, the second electromagnetic valve and the liquid level device are electrically connected with a controller; the invention is provided with a first liquid discharge pipe, a first electromagnetic valve, at least one screening screen plate, a plurality of screening spaces, a second electromagnetic valve and a second liquid discharge pipe, so that algae culture solution is discharged into the screening spaces connected with the first liquid discharge pipe through the first liquid discharge pipe, and the algae culture solution is subjected to size classification while flowing under the action of liquid level difference.
Description
Technical Field
The invention belongs to the technical field of algae culture, and particularly relates to a screening device for classifying algae bodies cultured by algae suspension aeration continuous culture.
Background
The blue-green algae is a prokaryote, also called blue-green algae or cyanobacteria, is usually granular, is widely distributed, is the earliest photosynthetic oxygen-releasing organism all over the world, and plays a great role in changing the oxygen-free atmosphere environment into the aerobic environment on the earth surface. Wherein, a plurality of blue algae (such as anabaena) can directly carry out biological nitrogen fixation because of containing nitrogen fixation enzyme, and is used for improving soil fertility to increase the yield of crops; some blue algae can be processed into food, such as Nostoc flagelliforme, common nostoc (Nostoc commune), spirulina, and the like, and scientists recently find that the improvement of the blue algae by genetic engineering can produce butanediol, which is a pre-chemical for manufacturing fuel and plastic and a first step for producing biochemical raw materials to replace fossil fuel, so the algae has wide development prospect.
When the blue algae and algae are cultured in the prior art, the algae are directly placed in the culture device for culturing, but the algae can sink to the bottom of the culture device to contact the inner wall of the culture device, further polluting algae, and in order to avoid the problems in the early stage of algae cultivation, the algae are cultivated by using a suspension aeration cultivation method in the prior art, wherein in the suspension aeration cultivation, the air stone arranged in the cultivation device is communicated with an air supply device outside the cultivation device, so that the air in the air supply device enters the air stone, micro bubbles are generated in water, so that the aim of increasing oxygen is fulfilled, the miscellaneous algae on the surfaces of algae can be washed, and after the algae grow to a certain size, the algae after the suspension aeration culture needs to be classified by adopting a manual fishing and sorting mode, and the mode greatly reduces the production efficiency and improves the labor cost of workers.
Disclosure of Invention
The invention aims to provide a new screening device for classifying algae cultured by suspending, inflating and continuously culturing algae aiming at the problems existing in the existing screening device for classifying algae cultured by suspending, inflating and continuously culturing algae.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: a screening device for classifying algae cultured by suspending, inflating and continuously culturing algae comprises an algae continuous culture device and a screening device for automatically screening the cultured algae according to size, wherein the screening device comprises a screening box body and at least one screening screen plate, each screening screen plate is longitudinally arranged in the screening box body and divides the screening box body into a plurality of screening spaces, a liquid level device for detecting the liquid level height of each screening space is arranged in the screening space at any end part of the screening box body, the screening space where the liquid level device is arranged is connected with a first liquid discharge pipe with a first electromagnetic valve arranged on the algae continuous culture device, the pore diameter of each screening screen plate in the screening box body is sequentially reduced along the flowing direction of water, and second liquid discharge pipes with second electromagnetic valves are arranged on the bottom walls of other screening spaces except the screening space where the liquid level device is arranged, the first electromagnetic valve, the second electromagnetic valve and the liquid level device are all electrically connected with a controller, the controller is arranged on the algae continuous culture device, and the first electromagnetic valve, the second electromagnetic valve, the liquid level device and the controller are all electrically connected with a power supply.
Preferably, the bottom wall of the screening box body is an obliquely arranged plate body, and the inclination angle of the obliquely arranged plate body is 10-30 degrees.
Preferably, the screening box body is connected with the algae continuous culture device through a mounting frame, and the bottom of the screening box body is detachably connected with algae collecting boxes for collecting algae in the screening spaces.
Preferably, the bottom of the algae collecting box is provided with a roller.
Preferably, the continuous algae culture apparatus is further provided with a circulation purification apparatus for purifying the culture solution in the continuous algae culture apparatus and keeping the liquid level of the culture solution in the continuous algae culture apparatus constant in a micro-flow state.
Preferably, circulation purifier includes drain pipe, filter, back flow and ultraviolet lamp, the drain pipe is established on the culture apparatus that is located the feed liquor pipe below, and the one end and the culture apparatus intercommunication of drain pipe, the feed liquor pipe is established on algae continuous culture device, and the other end of drain pipe and the one end intercommunication of filter, the other end and the back flow one end intercommunication of filter, the other end and the culture apparatus intercommunication of back flow to be located the top of culture solution liquid level, be used for establishing on the inner wall of back flow to the ultraviolet lamp that the culture solution disinfected, the one end of drain pipe is equipped with the filter screen, the aperture of filter screen is less than the diameter of the algae body.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can automatically sort algae with different sizes by arranging the screening device, improves the speed of sorting the algae and saves the labor cost, when sorting, the first electromagnetic valve in the first liquid discharge pipe is opened, after the first electromagnetic valve is opened, culture solution with the algae is discharged into the screening box body by the first liquid discharge pipe, when the liquid level in the screening box body communicated with the first liquid discharge pipe reaches the set value of the liquid level device, the first battery valve is closed, because each screening net plate in the screening box body is sequentially reduced along the flowing direction of the water body, under the action of the liquid level difference, other screening spaces communicated with the first liquid discharge pipe box enable the culture solution mixed with the algae to flow into other screening spaces, the screening of the sizes of the algae is also completed in the process that the culture solution of the algae flows from a high liquid level to a low liquid level, when the liquid level in the screening space provided with the liquid level device is lower than the set value of the liquid level device, the controller can the signals, open the first solenoid valve that is located on first drain pipe, first solenoid valve opens the back and continues to flowing back in the screening space that is linked together with first drain pipe, when the liquid level in the whole screening box all reaches the setting value of level gauge, the controller signals, first solenoid valve closes, first drain pipe stops to flowing back in the screening box, the controller sends control signal this moment, the second solenoid valve opens, not unidimensional algae body is discharged by the second drain pipe of screening bottom of the case portion, the classified screening to the algae body has been accomplished.
2. The culture device is provided with the circulating purification device, so that the culture solution in the culture device is ensured to be in a micro-flowing state, the probability of contact between algae and the inner wall of the culture device is reduced, the algae in the culture device is always in a suspension state, meanwhile, the flowing culture solution can flush attached algae and necrotic algae on the surface of the algae, and the culture solution can be filtered and purified in the culture solution in the culture device, so that the using amount of the culture solution is saved.
Drawings
FIG. 1 is a schematic structural view of a screening apparatus for classifying algal bodies obtained by continuous culture of algae by suspension aeration according to the present invention;
FIG. 2 is a front view of a screen collecting apparatus of the algae suspension aeration continuous cultivation and screening apparatus of the present invention;
FIG. 3 is a cross-sectional view of the characteristics I of the screener of the algae suspension aeration continuous culture and screening apparatus of the present invention;
FIG. 4 is a cross-sectional view of a screener feature II of the algae suspension aeration continuous culture and screening apparatus of the present invention;
FIG. 5 is a circuit diagram showing the connection of the screening apparatus for classifying algal cells obtained by continuous culture of algal cells by suspension aeration according to the present invention.
In the figure: 1. algae continuous culture device, 2, liquid inlet pipe, 3, circulating purification device, 3-1 water outlet pipe, 3-2 filter, 3-3 reflux pipe, 4, air stone; 5. the device comprises an air supply device, 5-1 an air pump, 5-2 an air delivery pipe, 6 an air exchange pipe, 7, a first liquid discharge pipe, 8, a screening device, 8-1 a box body, 8-2 a screening screen plate, 8-3 a second liquid discharge pipe, 9, a liquid level device, 10 and a controller; 11. and a support rod 12 is used for collecting the algae.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical scheme in the embodiment of the invention is clearly and completely described below with reference to the attached drawings in the embodiment of the invention.
In the description of the present invention, it should be understood that the terms used in the description of the present invention for the orientation, such as "height", "length", "width", "front surface", are based on the description when the body is vertically placed, i.e., perpendicular to the ground, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
As shown in figures 1-5, the specific embodiment of the invention is realized by adopting the following technical proposal, a screening device for classifying algae which is continuously cultured by suspending and inflating algae comprises an algae continuous culture device 1 and a screening device 8 for automatically screening the cultured algae according to the size, the screening device 8 comprises a screening box body 8-1 and at least one screening screen plate 8-2, each screening screen plate 8-2 is longitudinally arranged in the screening box body 8-1 and divides the screening box body 8-1 into a plurality of screening spaces, a liquid level device 9 for detecting the liquid level height of the screening space is arranged in the screening space arranged at any end part of the screening box body 8-1, the screening space where the liquid level device 9 is arranged is connected with a first drainage pipe 7 with a first electromagnetic valve arranged on the algae continuous culture device 1, the aperture of each screening screen plate 8-2 in the screening box body 8-1 is sequentially reduced along the flowing direction of a water body, second liquid discharge pipes 8-3 with second electromagnetic valves are arranged on the bottom walls of other screening spaces except the screening space where the liquid level device 9 is located, the first electromagnetic valves, the second electromagnetic valves and the liquid level device 9 are electrically connected with a controller 10, the controller 10 is arranged on the algae continuous culture device 1, and the first electromagnetic valves, the second electromagnetic valves, the liquid level device 9 and the controller 10 are electrically connected with a power supply.
In this embodiment, in order to solve the problems of low efficiency of manual sorting algae and high labor cost of the algae suspension aeration continuous culture and screening device in the prior art, a kind of algae (blue algae) to be cultured is placed in the algae continuous culture device 1 with culture solution for culturing, after the algae in the algae continuous culture device 1 reaches the culture age, the controller 10 is started, the first drain pipe 7 with a first electromagnetic valve, which is communicated with the algae continuous culture device 1, is used to drain the algae (blue algae) in the algae continuous culture device 1, because the first drain pipe 7 is communicated with the screening space at the end of the screening box body 8-1, the culture solution with algae flows from a high liquid level to a low liquid level under the action of a liquid level difference after receiving the algae culture solution in the screening space, because the apertures of the screening mesh plates 8-2 are sequentially reduced along the direction of water flow, therefore, when the culture solution with algae flows, the classification of the sizes of the algae is also realized, when the liquid level in the screening space connected with the first liquid discharge pipe 7 is lower than the set height of the liquid level device 9, the controller can continuously send a command to the first electromagnetic valve, the first electromagnetic valve is opened, the algae culture solution in the algae continuous culture device 1 flows into the screening space communicated with the first liquid discharge pipe 7, when the liquid level device 9 in the screening space monitors that the liquid level is higher than the set value of the liquid level device 9, the first electromagnetic valve is closed, the liquid discharge of the first liquid discharge pipe 7 is stopped, the algae culture solution in the screening space communicated with the first liquid discharge pipe 7 continuously screens the algae under the action of the liquid level difference, and when the liquid level value in the whole screening box body 8-1 is larger than or equal to the set value of the liquid level device 9, the first electromagnetic valve (TM51-1HP) is not opened, the first liquid discharge pipe can not discharge liquid into the screening space communicated with the first liquid discharge pipe any more, then the controller 10(UNO-2170) sends a signal to the second electromagnetic valve, the second electromagnetic valve (TM51-1HP) is opened, the second liquid discharge pipe 8-3 starts to discharge screened algae bodies in the liquid discharge space communicated with the second liquid discharge pipe, and in order to separate the algae in the screening space communicated with the first drain pipe 7 thoroughly according to size, the culture solution can be intermittently added into the screening space, so that the liquid level in the screening space is increased, and the automatic screening can be carried out again until only the algae with the maximum size is left in the screening space, then through the mesh screen or through establishing the manual fluid-discharge tube discharge after the screening in this screening space of taking the valve under this screening space, and then realized automatic screening, it is simple convenient.
In order to improve the screening rate of the algae culture fluid in the screening box body 8-1, the bottom wall of the screening box body 8-1 is an obliquely arranged plate body, and the inclination angle of the obliquely arranged plate body is 10-30 degrees.
In order to facilitate the collection of the carrier culture solution after being classified and screened according to the size, the convenience is improved; the screening box body 8-1 is connected with the algae continuous culture device 1 through a mounting frame, and the bottom of the screening box body 8-1 is detachably connected with an algae collecting box 12 for collecting algae in each screening space; the application provides an implementation mode that the screening box body 8-1 and the algae collecting box 12 are detachable, when in use, the algae collecting box 8-2 is placed under the screening box body 8-1, then the length of the support rod 11 is adjusted, the support rod 11 comprises a loop bar and a sleeve, the sleeve is fixedly connected with the bottom of the screening device 8-1, the loop bar is sleeved in the loop bar and is in sliding connection, a clamping joint is arranged on the non-sleeved end of the loop bar, a threaded hole is arranged on the outer wall of the sleeve, a plurality of grooves are arranged on the outer wall of the loop bar, the threaded rod penetrates through the threaded hole to be connected with one groove, the length adjustment of the support rod 11 is realized, the support rod 11 is clamped in a clamping groove of the collecting box 8-2, the clamping joint of the screening box body 8-1 and the algae collecting box 12 is realized, after the second electromagnetic valve is opened, because the collecting space in the algae collecting box 12 is consistent with the number, the algae culture solution discharged by the screened second liquid discharge pipe is collected below the second liquid discharge pipe; therefore, the bottom of the screening box body 8-1 is clamped with the top of the algae collecting box body 12, the algae collecting box body 12 is partitioned into a plurality of collecting spaces through baffles, the number of the collecting spaces is matched with the number of the second liquid discharge pipes and used for collecting algae culture solution discharged by the second liquid discharge pipes 8-3, a plurality of length-adjustable supporting rods 11 are arranged on the bottom wall of the screening box body 8-1, one end of each supporting rod 11 is fixedly connected with the screening box body 8-1, the other end of each supporting rod 11 is provided with a clamping head, and each clamping head is clamped with a clamping groove arranged at the edge of the top wall of the algae collecting box body 12.
In order to allow the collected algal culture solution to be transported quickly, the bottom of the algal collecting chamber 12 is provided with rollers.
Wherein, the liquid level height of the culture solution in the algae body continuous culture device 1 is set to be two thirds of the volume of the culture device 1, and in order to ensure that the algae bodies in the culture device 1 are not deposited on the bottom wall of the culture device 1, the algae body continuous culture device 1 is provided with the circulating purification device 3, which not only ensures that the culture solution in the algae body continuous culture device 1 is in a micro-flowing state, reduces the probability of the contact between the algae bodies and the inner wall of the culture device 1, ensures that the algae bodies in the algae body continuous culture device 1 are always in a suspension state, simultaneously the flowing culture solution can flush attached algae and necrotic algae bodies on the surface of the algae bodies, but also can filter and purify the culture solution from the culture solution in the algae body continuous culture device, does not need to be periodically replaced and discharged in a certain time as the algae body continuous culture device in the prior art, thereby saving the using amount of the culture solution. Therefore, the continuous algae culture apparatus 1 is further provided with a circulating purification apparatus 3 for purifying the culture solution in the continuous algae culture apparatus 1 and ensuring that the liquid level of the culture solution is kept unchanged in a micro-flow state; the circulating purification device 3 comprises a liquid outlet pipe 3-1, a filter 3-2, a return pipe 3-3 and an ultraviolet lamp, the liquid outlet pipe 3-1 is arranged on the culture device 1 positioned below the liquid inlet pipe 2, one end of the liquid outlet pipe 3-1 is communicated with the culture device 1, the liquid inlet pipe 2 is arranged on the algae continuous culture device 1, the other end of the liquid outlet pipe 3-1 is communicated with one end of the filter 3-2, the other end of the filter 3-2 is communicated with one end of the return pipe 3-3, the other end of the return pipe 3-3 is communicated with the culture device 1 and is positioned above the liquid level of the culture solution, an ultraviolet lamp for sterilizing the culture solution is arranged on the inner wall of the return pipe 3-3, a filter screen is arranged at one end of the liquid outlet pipe 3-1, and the aperture of the filter screen is smaller than the diameter of the algae.
Wherein, the air stone 4 is arranged at one third of the volume of the culture device 1, the air supply device 5 is used for supplying air to the air stone 4, so that oxygen is dissolved in the culture solution, the survival rate of algae is improved, in order to reduce the pollution rate of the algae in the algae, the air stone 4 is arranged at the position which is one third of the height of the algae continuous culture device 1 from the bottle bottom of the algae continuous culture device 1, the air stone 4 is communicated with the air supply device 5 arranged outside the algae continuous culture device 1 through an air pipe, the air supply device 5 comprises an air pump 5-1 and an air supply pipe 5-2, the air inlet of the air pump 5-1 is communicated with the atmosphere, the air outlet of the air pump 5-1 is communicated with the air inlet end of the air supply pipe 5-2, the top of the algae continuous culture device 1 is provided with a sealing plug, the air outlet end of the air supply pipe 5-2 is communicated with the top, the sealing plug is also provided with a second through hole, a ventilation pipe 6 with a one-way valve is arranged in the second through hole, and the air pump 5-1 is electrically connected with a power supply through a control switch.
The above disclosure is only for the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (6)
1. A screening device for grading algae bodies cultured by algae suspension aeration continuous culture is characterized by comprising an algae continuous culture device (1) and a screening device (8) for automatically screening the cultured algae bodies according to sizes, wherein the screening device (8) comprises a screening box body (8-1) and at least one screening screen plate (8-2), each screening screen plate (8-2) is longitudinally arranged in the screening box body (8-1) and divides the screening box body (8-1) into a plurality of screening spaces, a liquid level device (9) for detecting the liquid level height of the screening spaces is arranged in the screening space arranged at any one end part of the screening box body (8-1), the screening space where the liquid level device (9) is arranged is connected with a first liquid discharge pipe (7) with a first electromagnetic valve arranged on the algae continuous culture device (1), the aperture of each screening otter board (8-2) in the screening box body (8-1) is reduced along the flowing direction of the water body in sequence, a second liquid discharge pipe (8-3) with a second electromagnetic valve is arranged on the bottom wall of each screening space except the screening space where the liquid level device (9) is located, the first electromagnetic valve, the second electromagnetic valve and the liquid level device (9) are electrically connected with a controller (10), the controller (10) is arranged on the algae continuous culture device (1), and the first electromagnetic valve, the second electromagnetic valve, the liquid level device (9) and the controller (10) are electrically connected with a power supply.
2. A screening apparatus for algal bodies according to claim 1, wherein the bottom wall of the screening box (8-1) is a plate body which is inclined at an angle of 10 to 30 °.
3. The apparatus for sorting algal bodies according to claim 1, wherein the screening box (8-1) is connected to the apparatus (1) for continuous cultivation of algae by a mounting frame, and a collection box (12) for collecting algal bodies in each screening space is detachably connected to the bottom of the screening box (8-1).
4. The algae suspension aeration continuous cultivation and screening apparatus according to claim 3, wherein the algae collection tank (12) is provided with rollers at the bottom.
5. The apparatus for classifying algal bodies obtained by continuous cultivation of algal by suspension aeration according to claim 1,
the continuous algae culture device (1) is also provided with a circulating purification device (3) which is used for purifying the culture solution in the continuous algae culture device (1) and keeping the liquid level of the culture solution in the continuous algae culture device (1) constant in a micro-flowing state.
6. The screening apparatus for classifying the algal bodies obtained by the continuous cultivation by the suspension aeration of algae according to claim 5, wherein the circulation purification apparatus (3) comprises a liquid outlet pipe (3-1), a filter (3-2), a return pipe (3-3) and an ultraviolet lamp, the liquid outlet pipe (3-1) is provided on the cultivation apparatus (1) below the liquid inlet pipe (2), and one end of the liquid outlet pipe (3-1) is communicated with the cultivation apparatus (1), the liquid inlet pipe (2) is provided on the continuous cultivation apparatus (1) of algae, the other end of the liquid outlet pipe (3-1) is communicated with one end of the filter (3-2), the other end of the filter (3-2) is communicated with one end of the return pipe (3-3), the other end of the return pipe (3-3) is communicated with the cultivation apparatus (1), and is positioned above the liquid level of the culture solution, an ultraviolet lamp for sterilizing the culture solution is arranged on the inner wall of the return pipe (3-3), one end of the liquid outlet pipe (3-1) is provided with a filter screen, and the aperture of the filter screen is smaller than the diameter of the algae.
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Application publication date: 20200828 |