CN109456885A - A kind of automatically cleaning fluidized bed bioreactor - Google Patents
A kind of automatically cleaning fluidized bed bioreactor Download PDFInfo
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- CN109456885A CN109456885A CN201811455808.3A CN201811455808A CN109456885A CN 109456885 A CN109456885 A CN 109456885A CN 201811455808 A CN201811455808 A CN 201811455808A CN 109456885 A CN109456885 A CN 109456885A
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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Classifications
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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
- C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
- C12M25/16—Particles; Beads; Granular material; Encapsulation
- C12M25/20—Fluidized bed
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
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- 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
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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
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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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
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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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
- C12M41/26—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pH
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/34—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention discloses a kind of automatically cleaning fluidized bed bioreactors, belong to microdisk electrode technical field.Including wastewater fermentation unit, fermentation is stirred to waste water, obtains micro algae culturing liquid；The micro algae culturing liquid is collected and stored to liquid collecting unit；Processing unit is cultivated, spray equipment, several layers culture structure with holes are inside from top to bottom disposed with, is provided with immobilized active sludge ball in the middle part of culture structure, culture structure outside portion is provided with immobilization algae ball；Spray equipment connects liquid collecting unit；It is connected to by gas directing system with culture processing unit bottom aerator at the top of wastewater fermentation unit；Adsorption and Sterilization unit, at the top of culture processing unit, being filtered and sterilize the present invention to the air by entering at the top of culture processing unit realizes the integration of algae culture, collection and wastewater fermentation, while having saved microdisk electrode cost, it purifies water and air, while harvesting a large amount of algal biomass.
Description
Technical field
The present invention relates to microdisk electrode technical field, especially a kind of automatically cleaning fluidized bed bioreactor.
Background technique
Microalgae is photosynthetic autotrophs biology, is widely distributed in tellurian fresh water, ocean and various soil, has growth
Rapidly, photosynthetic efficiency is high, adaptable and the features such as pass through vegetative propagation.Microalgae can be using luminous energy, CO2, organic in waste water
The substances such as carbon, ammonia nitrogen, organic phosphorus are carbon source, nitrogen source and phosphorus source, and adsorb heavy metal purification waste water；Also it can absorb in atmosphere
The gases such as CO2 generate O2 and purify air as own metabolism carbon source；Contain a variety of high added value biological active matters in microalgae simultaneously
Matter, such as polyunsaturated fatty acid, algal polysaccharides, algocyan, astaxanthin, carrotene have antibiotic, anti-cardiovascular disease
Medical values and the healthcare functions such as disease, strengthen immunity, antitumor, anti-radiation, anti-mutation and anti-AIDS, to human diseases
It prevents, treats and healthcare function.Microalgae is as industries such as feed, medical treatment, bioengineering, food, light industry, bio-fuels
Important source material, industrialization production are more paid attention to by people with utilization.
Activated sludge is to modernize depth biological treatment in sewage treatment plant necessarily to use, containing big in activated sludge
The microorganism of amount, including bite phosphorus bacterium, nitrite bacteria, nitrobacteria etc., sewage treatment plant always exists asking greatly for three aspects
Topic, the i.e. energy of 1. aerobic tanks aeration consumption, 60% or more sewage treatment plant；2. the expansion of activated sludge, increase of becoming morally degenerate
Operation difficulty with it is professional；3. residual active sludge cross contain cause excess sludge processing cost increase with to the secondary of environment
Pollution.At present almost 80% or more sewage treatment production there is problem above, research and develop new sewage treatment process,
Reduce cost of sewage disposal and operation difficulty be need most at present exploration and research, this be also to environmental protection must
It asks.
For the microalgae energy exploitation in terms of, current main direction of studying both domestic and external is to utilize microalgae processing waste water, micro-
Algae all biological sequestration, micro-algae large-scale cultivation and high added value product extraction direction, and processing of the microalgae to waste water, scale
Change in cultivation and the extraction of high added value product, has the following problems, 1. microalgaes need light that could convert CO2 and carbon source to
O2 carries out biological sequestration；2. microalgae is limited to the COD degradation of sewage, the COD more than sewage after a certain period of time can also become in increasing
Gesture, but to nutrient such as N, P etc., degradation effect is prominent；3. microalgae is smaller, and is difficult to settle, this also results in microalgae and exists
The cost collected under suspended state will greatly increase, this is also the main reason for restricting micro-algae large-scale cultivation；4. microalgae is handled
The residence time is longer in water required for waste water, and cannot remove microalgae well after having handled sewage, cause water body turbidity,
Coloration etc. increases；5. the biological sequestration amount of microalgae is lower, because the CO2 under suspended state in air needs to enter from air dielectric
Liquid culture medium free diffusing enters frustule, can just be absorbed fixed later and photosynthesis occurs under the action of light, will
CO2 is converted into O2, but the solubility of CO2 in a liquid is lower, to improve the solubility of CO2 in the medium, must be just
Culture medium is in alkalinity, but since the pH range of microalgae suitable growth is in 6-10 or so, so the biological fixation of CO2 is still by very big
It restricts and influences.
Currently, microalgae can be combined with the processing of sewage and industrial waste gas, closed while handling sewage and industrial waste gas
At high assignments substance, toxigenic capacity is reduced.Research direction be mainly probe into microalgae cultural method and different Waste types with not
Lotus root with microalgae type is closed, for how to realize waste liquid fermentation production integrated with microdisk electrode, recycling, excess sludge surplus etc.
The problems such as on, pay close attention to it is less, therefore, it is necessary to propose a kind of automatically cleaning fluidized bed bioreactor realize waste liquid fermentation and
The integration production such as microdisk electrode, recycling and excess sludge surplus purifies useless water and air to reduce production cost.
Summary of the invention
Goal of the invention of the invention is, in view of the above-mentioned problems, providing a kind of automatically cleaning fluidized bed bioreactor, to pass through
It is combined immobilized microalgae ball with immobilized active sludge ball as filler, realizes algae culture, collection and waste water
The integration of fermentation while having saved microdisk electrode cost, purifies water and air, while harvesting a large amount of algal biomass.
In order to achieve the above objectives, the technical scheme adopted by the invention is that:
A kind of automatically cleaning fluidized bed bioreactor, including
Wastewater fermentation unit is stirred fermentation to the waste water collected in cavity inside it, obtains micro algae culturing liquid；
Liquid collecting unit is connected with wastewater fermentation unit, collects and store the micro algae culturing liquid；
Processing unit is cultivated, is tower structure, is inside from top to bottom disposed with the training with holes of spray equipment, several layers
Structure is supported, is provided with immobilized active sludge ball in the middle part of culture structure, culture structure outside portion is provided with fixation
Change algae ball, cultivates and be additionally provided with water proof lamp in structure；The spray equipment connects liquid collecting unit；The culture processing unit bottom is high
It is connected in liquid collecting unit, and at the top of liquid collecting unit by valve；Pass through gas directing system and training at the top of the wastewater fermentation unit
Support the connection of processing unit bottom aerator；
Adsorption and Sterilization unit is located at the top of culture processing unit, carries out to the air by entering at the top of culture processing unit
Filtering and sterilization；
Automatic control unit, including console and temperature sensor connected to it, pH sensor, optical sensor,
Cool-heat-exchanger, the temperature sensor, pH sensor and cool-heat-exchanger are arranged in liquid collecting unit, the illumination sensing
Device setting is in culture processing unit.
Preferably, the culture processing unit includes cylinder, and multiple culture structure verticals are stacked in cylinder；It is described
Culture structure includes fine fack, light transmission liner, the first pallet and the second pallet, and the light transmission liner is located among culture structure,
The fine fack setting is vertical and concentric at light transmission liner both ends, and with light transmission liner, has a diameter larger than light transmission liner diameter；
First pallet is cyclic structure, and interior collar extension correspondence is set on light transmission liner, and upper surface is equipped with the hole to raise upward
Slot；First pallet is respectively set adjacent with fine fack and is arranged on the inside of fine fack；Second pallet is arranged at intervals on
Be cyclic structure between first pallet, interior collar extension is corresponding be set on light transmission liner lateral surface and with Pan Kou pairs of the first pallet
Together, the second pallet outer rim inclination downward and corresponding on the inside of cylinder is bonded；Second pallet is uniformly arranged through-hole；It is described
Fine fack, the first pallet and the second pallet outer contour shape are in the same size.
Preferably, the cylinder is made of translucent material；Second pallet is made of optics acrylic material；Described
One pallet is made of stainless steel material, hole groove radius 1-3mm, the high 1-3mm of hole slot protrusion.
Preferably, the immobilized active sludge ball that diameter is 3-5mm is uniformly packed into first pallet；Described second
The immobilized microalgae ball that diameter is 3-5mm is packed into pallet.
Preferably, the wastewater fermentation unit includes wastewater fermentation tank；The wastewater fermentation pot bottom be equipped with filter device,
Catheter with drain valve and the drainage conduit with peristaltic pump, the filter device are arranged in catheter and are located in wastewater fermentation tank
One end, filter device are followed successively by gauze, sponge, chad, active carbon, gauze and filtering grid from top to bottom；The catheter connects
Logical liquid collecting unit；The liquid collecting unit includes liquid collecting tank.
Preferably, the light transmission liner is tubular structure made of optics acrylic material, and light transmission liner upper end is provided with
Annular projection, light transmission liner lower end are provided with annular recess corresponding with annular projection, and the interior two sidewalls of the groove are equipped with
Sealing rubber ring；The water proof lamp is placed in light transmission liner.
Preferably, the Adsorption and Sterilization unit includes the Adsorption and Sterilization layer of ultraviolet lamp, Spaced setting, and ultraviolet lamp is located at
Above Adsorption and Sterilization layer, the Adsorption and Sterilization layer is from top to bottom followed successively by absorption carbon-coating, extinction black cloth and fine-structure mesh grid.
Preferably, the spray equipment includes spray head, conduit and water pump, and the spray head setting is in culture processing unit culture
The top of structure, the water pump are located in liquid collecting unit；The conduit connection spray head and water pump.
It preferably, further include gas directing system, the gas directing system includes air pump, gas-guide tube, aerator, air valve and air valve
Flowmeter；Described gas-guide tube one end is connect with air pump and wastewater fermentation unit respectively by two branch pipes, and gas is respectively provided on branch pipe
Valve and air valve flowmeter, the other end of the gas-guide tube connect aerator, and the aerator setting is in culture processing unit
Interior bottom.
Preferably, the liquid collecting unit is an integral structure with wastewater fermentation unit, and wastewater fermentation unit is located at liquid collecting list
The top of member, the wastewater fermentation unit and liquid collecting unit frame structure are mixed mud structure.
Due to the adoption of the above technical scheme, the invention has the following advantages:
1. the present invention can divide quinquepartite, wastewater fermentation is carried out in wastewater fermentation unit, obtains carbon dioxide and methane gas
Body controls flow by air valve flowmeter, slowly imports gas distribution pipe to microalgae and provides carbon source；Fermentation liquid is used as the training of algal grown
Base is supported, produced biogas residue of fermenting is excluded by peristaltic pump, because fermentation generates bulk fermentation gas waste water is sent out in wastewater fermentation tank
Pressure in fermentation tank increases, and gained filtrate is pressed into liquid collecting tank through catheter by filter device, and biogas residue is led the export of slag pipe
And recycle, as the raw material of bio-fertilizer, the infiltration and growth of microalgae cell are realized by simulation laminar biological fluidized bed, by waste water
Fermentation, microdisk electrode and collection combine, and cultivate while purifying waste water and harvest has high assignments biology living
The algae of property substance, and absorb CO2 and release oxygen, air has been purified, the culture during micro algae growth is effectively reduced
Cost.
2. the present invention receives the on-line monitoring signal of optical sensor, pH sensor, temperature sensor by console, right
Signal is further processed and emits signal to LED water proof lamp band, air pump, cool-heat-exchanger, realizes to sewage treatment, exhaust gas
Reason, the real time monitoring and On-line Control of microalgae and Activated Sludge Growth, improve automatization level, reduce management difficulty.
3. the present invention realize in microdisk electrode using interval supplement and mix supplement fermentation liquid by the way of, solve hair
The problem of zymotic fluid middle and high concentration ammonia inhibition micro algae growth has been saved than generally with the diluted method of water purification a large amount of Clean-
Water.
4. the present invention combines immobilized microalgae and immobilized active sludge, microalgae photosynthesis absorbs CO2 and generates O2
O2 is absorbed with activated sludge respiration and generates CO2 formation dynamic balance state, therefore can be realized in the case where not being aerated
The efficient process of sewage can substantially reduce the aeration energy consumption for wastewater treatment, while the advantages of by microalgae and activated sludge
It combines, the efficient place to waste water is realized to the fast degradation of COD to the efficient absorption and activated sludge of nitrogen phosphorus using microalgae
Reason.
5. recycling this problem for microalgae, the present invention only needs outer ring microalgae immobilization after growing a period of time
Immobilized microalgae ball in pallet collects, and the trisodium citrate or sodium bicarbonate for adding 0.1mol/l can harvest packet
Bury the microalgae in carrier；Immobilized active sludge can effectively reduce or inhibit the generation of excess sludge, reduce to excess sludge
Processing cost.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is wastewater fermentation unit and liquid collecting cell schematics.
Fig. 3 is Adsorption and Sterilization cellular construction schematic diagram of the present invention.
Fig. 4 is culture processing unit schematic diagram.
In attached drawing, 1- wastewater fermentation unit, 11- blender, 12- filter device, 13- catheter, 14- drainage conduit, 2- collection
Liquid unit, 3- culture processing unit, 31- cylinder, 32- spray equipment, 33- fine fack, 34- light transmission liner, the first pallet of 35-,
The second pallet of 36-, 37- stomata, 4- Adsorption and Sterilization unit, 41- ultraviolet lamp, 42- adsorb carbon-coating, 43- extinction black cloth, 44- fine-structure mesh
Grid, 5- automatic control unit, 51- console, 52- temperature sensor, 53-pH sensor, 54- cool-heat-exchanger, 55- light
According to sensor, 6- air pump, 7- gas-guide tube, 8- aerator.
Specific embodiment
A kind of automatically cleaning fluidized bed bioreactor, including
Wastewater fermentation unit 1 is stirred fermentation to the waste water collected in cavity inside it, obtains micro algae culturing liquid；
Liquid collecting unit 2 is connected with wastewater fermentation unit 1, collects and store the micro algae culturing liquid；
Processing unit 3 is cultivated, is tower structure, it is with holes to be inside from top to bottom disposed with spray equipment 32, several layers
Culture structure, positioned at culture structure in the middle part of be provided with immobilized active sludge ball, positioned at culture structure outside portion be provided with
Immobilization algae ball is cultivated and is additionally provided with water proof lamp in structure；The spray equipment 32 connects liquid collecting unit 2；The culture processing is single
First 3 bottoms are higher than liquid collecting unit 2, and are connected to at the top of liquid collecting unit 2 by valve；Pass through at the top of the wastewater fermentation unit 1
Gas directing system is connected to culture 3 bottom aerator 8 of processing unit；
Adsorption and Sterilization unit 4 is located at culture processing unit 3 top, to the air by entering at the top of culture processing unit 3 into
Row filtering and sterilization；
Automatic control unit 5, including console 51 and temperature sensor connected to it 52, pH sensor 53, illumination
Sensor 55, cool-heat-exchanger 54, the temperature sensor 52, pH sensor 53 and cool-heat-exchanger 54 are arranged at liquid collecting list
In member 2, the setting of optical sensor 55 is in culture processing unit 3.
In above-mentioned apparatus, wastewater fermentation unit 1 is stirred continuously, fermentation is produced for carrying out wastewater fermentation in fermentation process
Raw CO2, biogas can be by air valve flowmeters for used in algal grown, certainly also can also be directly to culture processing unit 3
It is pumped into air or other sources CO2；Produced biogas slurry makes culture solution import liquid collecting unit 2, and liquid collecting unit 2 is taken out by spray equipment 32
It mentions, culture solution is sprayed on the immobilized microalgae ball and immobilized active sludge ball in culture 3 inner cavity of processing unit.When
So, later it is also possible that biogas, the CO2 in outside air or wastewater fermentation unit 1 are passed through gas-guide tube 7 and gas distribution by air pump 6
Pipe imports culture processing unit 3, ascends into culture processing unit 3 from the liquid surface in gas distribution pipe so that blasting gas, with
Culture solution caused by spraying from top to bottom meets, and more fully absorbs CO2, NOx and the germ blasted in air, sewage treatment
More sufficiently；And the on-line monitoring to the conditions such as temperature, pH, illumination in bioreactor is realized by automatic control unit 5
With automation control, operation management difficulty is reduced.
It is further illustrated below in conjunction with specific implementation of the attached drawing to invention.
As shown in Figs 1-4, a kind of automatically cleaning fluidized bed bioreactor, including wastewater fermentation unit 1, liquid collecting are disclosed
Unit 2, culture processing unit 3, Adsorption and Sterilization unit 4 and automatic control unit 5.Wherein, liquid collecting unit 2 and wastewater fermentation list
Member 1 is an integral structure, and wastewater fermentation unit 1 is located at the lower section of liquid collecting unit 2, the wastewater fermentation unit 1 and liquid collecting unit
2 frame structures are mixed mud structure.Wastewater fermentation unit 1, to the waste water collected inside it in cavity by blender 11 into
Row stirring fermentation, obtains micro algae culturing liquid.
Liquid collecting unit 2 is connected with wastewater fermentation unit 1, collects and store the micro algae culturing liquid.
Processing unit 3 is cultivated, is tower structure, it is with holes to be inside from top to bottom disposed with spray equipment 32, several layers
Culture structure, positioned at culture structure in the middle part of be provided with immobilized active sludge ball, positioned at culture structure outside portion be provided with
Immobilization algae ball is cultivated and is additionally provided with water proof lamp band in structure；The spray equipment 32 connects liquid collecting unit 2.
Adsorption and Sterilization unit 4 is located at culture processing unit 3 top, to the air by entering at the top of culture processing unit 3 into
Row filtering and sterilization.
Automatic control unit 5, including console 51 and temperature sensor connected to it 52, pH sensor 53, illumination
Sensor 55, cool-heat-exchanger 54, the temperature sensor 52, pH sensor 53 and cool-heat-exchanger 54 are arranged at liquid collecting list
In member 2, the setting of optical sensor 55 is in culture processing unit 3.
It is wastewater fermentation unit 1 and 2 schematic diagram of liquid collecting unit as shown in Figure 2.Wastewater fermentation unit 1 includes wastewater fermentation
Tank, liquid collecting unit 2 include liquid collecting tank.Wastewater fermentation tank is structure as a whole with liquid collecting tank, and wherein wastewater fermentation tank is on liquid collecting tank
Side, and wastewater fermentation pot bottom protrudes into liquid collecting tank；Wastewater fermentation pot bottom is obliquely installed.Wastewater fermentation pot bottom is equipped with filtering
Device 12, the catheter 13 with drain valve and the drainage conduit with peristaltic pump 14, the filter device 12 are arranged at catheter 13
One end in wastewater fermentation tank, filter device 12 are followed successively by gauze, sponge, chad, active carbon, gauze and filtering from top to bottom
Grid.Catheter 13 is connected to liquid collecting unit 2.
It is 4 structural schematic diagram of Adsorption and Sterilization unit of the present invention as shown in Figure 3.Adsorption and Sterilization unit 4 includes ultraviolet lamp 41, more
The spaced Adsorption and Sterilization layer of layer, ultraviolet lamp 41 are located at Adsorption and Sterilization layer top, and the Adsorption and Sterilization layer is from top to bottom successively
For absorption carbon-coating 42, extinction black cloth 43 and fine-structure mesh grid 44.Here synchronous realize is adsorbed and is killed to the bacteria impurities of reaction gas
Bacterium disinfection.
It is culture 3 schematic diagram of processing unit as shown in Figure 4.Cultivating processing unit 3 includes cylinder 31, multiple culture knots
Structure is vertically stacked in cylinder 31.Culture structure includes fine fack 33, light transmission liner 34, the first pallet 35 and the second pallet 36,
Light transmission liner 34 is located among culture structure, the setting of fine fack 33 at 34 both ends of light transmission liner, and it is vertical with light transmission liner 34 simultaneously
It is concentric, have a diameter larger than 34 diameter of light transmission liner.First pallet 35 is cyclic structure, and interior collar extension correspondence is set in light transmission
On gallbladder 34, upper surface is equipped with the hole slot to raise upward；First pallet 35 is respectively set adjacent with fine fack 33 and is arranged thin
33 inside of grid.Second pallet 36 is arranged at intervals between the first pallet 35, is cyclic structure, and interior collar extension correspondence is set in
Be aligned on 34 lateral surface of light liner and with 35 Pan Kou of the first pallet, 36 outer rim of the second pallet inclination downward and in cylinder 31
The corresponding fitting in side.Second pallet 36 is uniformly arranged through-hole；Fine fack 33, the first pallet 35 and 36 outer contour shape of the second pallet are big
It is small consistent.The collection that the immobilized microalgae ball in outer ring pallet realizes microalgae is collected, solves and is difficult in suspension culture microalgae
The bottleneck of collection.
Here, cylinder 31 is made of translucent material.Second pallet 36 is made of optics acrylic material.First pallet
35 are made of stainless steel material, hole groove radius 2mm, the high 2mm of hole slot protrusion.The convex hole trench bottom of rotary table pallet can store
A small amount of culture solution makes immobilization ball in bottom that can fully absorb the nutriment in culture medium.
Specifically, being uniformly packed into the immobilized active sludge ball that diameter is 3-5mm in the first pallet 35；Second support
The immobilized microalgae ball that diameter is 3-5mm is packed into disk 36.And it is combined using immobilized active sludge and immobilized microalgae
Mode as the CO2 and NOX that contain in filler processing waste water and ambient atmos, do not generate excess sludge, immobilized microalgae is logical
It crosses the O2 that photosynthesis absorption CO2 is generated to couple with immobilized active sludge by the CO2 that respiration absorbs O2 generation, be formed
Organic system, it is aerobic without outside aeration.
Specifically, light transmission liner 34 is tubular structure made of optics acrylic material, 34 upper end of light transmission liner is provided with
Annular projection, 34 lower end of light transmission liner are provided with annular recess corresponding with annular projection, set on the interior two sidewalls of the groove
There is sealing rubber ring；The water proof lamp is placed in light transmission liner 34.
Wherein, spray equipment 32 includes spray head, conduit and water pump, and the spray head setting is in the culture culture knot of processing unit 3
The top of structure, the water pump are located in liquid collecting unit 2；The conduit connection spray head and water pump.
It as shown in Figure 2 and Figure 4, further include gas directing system, the gas directing system includes air pump 6, gas-guide tube 7, aerator
8, air valve and air valve flowmeter；Described 7 one end of gas-guide tube is connect with air pump 6 and wastewater fermentation unit 1 respectively by two branch pipes, and
Air valve and air valve flowmeter are respectively provided on branch pipe, the other end of the gas-guide tube 7 connects aerator 8, the aerator 8
Setting bottom in culture processing unit 3.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (10)
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| CN111320283A (en) * | 2020-03-19 | 2020-06-23 | 南昌航空大学 | A device and method for flocculating microalgae to treat rare earth ore wastewater |
| ES2974382A1 (en) * | 2022-11-11 | 2024-06-26 | Univ Almeria | CLEANING DEVICE FOR PHOTOBIOREACTORS FOR CULTIVATION OF MICROALGAE, METHOD AND ASSOCIATED USE (Machine-translation by Google Translate, not legally binding) |
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