CN207877390U - A kind of drum-type bacterium algae rotating biological membrane reactor - Google Patents
A kind of drum-type bacterium algae rotating biological membrane reactor Download PDFInfo
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- CN207877390U CN207877390U CN201820090907.5U CN201820090907U CN207877390U CN 207877390 U CN207877390 U CN 207877390U CN 201820090907 U CN201820090907 U CN 201820090907U CN 207877390 U CN207877390 U CN 207877390U
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- microalgae
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- 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
A kind of drum-type bacterium algae rotating biological membrane reactor is frustule to be attached to adherent material, and be fixed in roller formula device, rotates on the abundant waste water of nutriment and is rich in CO2Air in, microalgae film grow to when certain thickness through scraper harvesting as microalgae fertilizer, microalgae recovery cost can be reduced and increased economic efficiency.Rotating biological membrane reactor includes mainly that activated Sludge System and drum-type rotate algae biofilm system, it is on the basis of conventional activated sludge process, microalgae waste water treatment system is incorporated, both the efficiently nutrients such as COD, N, P of removal waste water, while the CO that the microbial metabolism in activated sludge generates2Micro algae growth, microalgae photosynthesis can be promoted to provide O for Microbial Communities in Activated Sludge2And part reduces aeration energy consumption, the presence of microalgae can partly reduce residual active sludge amount.
Description
Technical field
The utility model is related to a kind of drum-type bacterium algae rotating biological membrane reactors, particularly belong to wastewater processing technology neck
Domain.
Background technology
Traditional activated sludge process during handling waste water, is grown for the purpose of simple purify water
The air blast of time, mechanical aeration or joint the aeration microorganism into waste water provide oxygen with nutriment of degrading, this process needs
A large amount of electric energy is consumed, is the method for one " can consume energy ".In the process of Microbial Communities in Activated Sludge decomposing organic waste
In, it will also release the CO of microbial respiratory generation2It is discharged into air, exacerbates greenhouse effects.In addition, standard activity is dirty
Mud method waste water treatment process surplus sludge volume is about the 1.5% of incoming waste water amount, enormous amount, and subsequent processing disposition is also
One global problem.
Since the last century 50's, microalgae has obtained the extensive concern of researcher to the removal ability of N, P in waste water,
Different from bacterium, algae can remove N and P simultaneously, and technological operation is simpler.Frustule to the mechanism of absorption of P particularly efficiently and
Prominent, demands of the P that it is absorbed from environment far more than its normal growth to orthophosphates, excessive P is absorbed by frustule, is long-pending
It is poly-.This unique function greatly improves removal efficiency of the microalgae to Phosphorus From Wastewater.Therefore simple microalgae system or bacterium algae
The introducing of system becomes the new approaches for solving traditional activated sludge process advanced treating difference organic wastewater limitation, such as tall building in recent years
Door university Li Qing young tiger et al. discloses one kind《Membrane type bioreactor for handling the exceeded nitrogen phosphorus of biogas slurry and its processing side
Method》（CN103910434）, method characteristic is that cultured microalgae is inside and outside in cylindrical, hollow tunica fibrosa with biogas slurry
It recycles respectively, absorbing nitrogen phosphorus in biogas slurry using microalgae achievees the purpose that wastewater treatment.However the harvesting of microalgae is always at microalgae
The limiting factor of waste water is managed, this is because caused by microalgae individual is small and cell surface is negatively charged, studies have shown that big rule
Microalgae recovery cost accounts for about 20% of totle drilling cost or more in mould incubation.Research at this stage mostly uses microalgae Immobilized culture
To achieve the purpose that reduce harvesting cost in the treatment of waste water.Such as Zhao Yongjun has applied for patent《A kind of bacterium algae of processing biogas slurry
Cogeneration system and its application》（CN106219765A）, disclose a kind of by microalgae and fungi immobilized spherule processing biogas slurry waste water
Method, however this method need in addition addition chemical agent to form helotism ball, increase processing cost.University Of Nanchang
Small pellet of witch et al. discloses《A kind of photo-biological membrane reactor and the application in sewage disposal, carbon sequestration and microalgae recovery》
（CN107012072A）, the invention by be traditional waste water recycled on membrane material in the way of, utilize the film of vertical hanging
Material High Density Cultivation microalgae simultaneously removes nutriment in waste water, and harvesting microalgae is scraped finally by simple and mechanical receipts.It is disclosed above
Invention in be all made of the mode of liquid circulation, i.e., " hydrodynamic(al) film is motionless ", liquid circulation process needs a large amount of energy consumption, and
Liquid circulation can limit the CO of microalgae cell to a certain extent2Fixed efficiency, although Wu little Dan et al. uses CO2Container system
System is to improve gas transfer rate, but the system also needs energy consumption to run.
The utility model provides a kind of drum-type bacterium algae rotating biological membrane reactor, can effectively overcome the above problem, this
Utility model originally uses rotation film mode and designs, i.e., " film move water motionless ", slowly rotate out of outside waste water in algae film and
It is greatly improved the carbon sequestration efficiency of microalgae when exposing in air, and makes full use of light source, since rotary speed is slow, system institute
Need energy consumption relatively low.Therefore the utility model can not only high efficiency, low cost ground microalgae biomass, moreover it is possible to efficiently in removal sewage
COD, N and P, while the aeration energy consumption needed for traditional activated sludge process is greatly reduced, and the CO of activated sludge process discharge2Energy
It is absorbed and utilized by microalgae photosynthesis, reduces CO2Discharge capacity, while by helotism system, can partly reduce residue
The discharge capacity of sludge, to reach the maximization of sewage disposal benefit, and the microalgae after harvesting can be used for preparing microalgae fertilizer
Material, improves its economy and social value.
Invention content
To overcome traditional activated sludge process to handle waste water and microalgae recovery existing deficiency in the process, the utility model proposes
A kind of drum-type bacterium algae rotating biological membrane reactor, the reactor not only can microalgaes at low cost, moreover it is possible to improve dirty
Water treatment efficiency reduces aeration energy consumption and CO in processing procedure2Discharge capacity, while part reduces excess sludge production, realizes
The purpose that sewage recycling utilizes, solution conventional activated sludge process nitrogen phosphorus ligands efficiency is low, high energy consumption, CO2Discharge capacity is big, remains
The problems such as remaining sludge yield is big, difficult, and the microalgae after harvesting can be used as microalgae fertilizer, improve economic and social benefit.
A kind of drum-type bacterium algae rotating biological membrane reactor of the utility model includes activated Sludge System and drum-type rotation
Algae biofilm system two parts.
The activated Sludge System main body is aeration tank（1）, further include activated sludge（2）And air blower（3）, Yi Jiwei
In aeration tank（1）The aeration branch pipe of bottom（4）It is responsible for aeration（5）；Aeration supervisor（5）With air blower（3）Air outlet it is direct
Connection；Aeration branch pipe（4）It is distributed in aeration supervisor（5）Both sides, entire aerating pipelines are distributed in aeration tank（1）Interior bottom, and
Not in activated sludge（2）Below liquid level.
The drum-type rotation algae biofilm system includes supporting steel frame（11）, axis（13）, stirring blade（8）, scraper
（9）, microalgae collecting tank（10）, motor（12）, film pillar（6）With algae film（7）；Stirring blade（8）And cylinder body is fixed on axis
（13）On, axis（13）It is erected at supporting steel frame（11）On so that roller is in vacant state；Motor（12）Equally it is erected at supporting steel
Frame（11）On, and and axis（13）It is directly connected to, when operation passes through motor（12）Band moving axis（13）Cylinder body is set to rotate.
Film pillar（6）It is fixed on cylinder body, algae film（7）It is fixed on film pillar（6）On；Microalgae collecting tank（10）It is fixed
In supporting steel frame（11）On, scraper（9）With microalgae collecting tank（10）It is connected and close to algae film（7）And it is angled, when algae film
（7）On micro algae biomass accumulation to when certain thickness can pass through adjust scraper（9）Harvesting microalgae is in microalgae collecting tank.
Activated Sludge System is placed in below drum-type rotation algae biofilm system, and aeration tank should be submerged in below roller（1）
Waste water in.
The beneficial effects of the utility model：
The utility model is to have incorporated microalgae waste water treatment system, and create on the basis of conventional activated sludge process
Property use rotation film mode and design, can not only efficiently remove COD, N and P in sewage, and due to " it is motionless that film moves water "
Form, energy consumption needed for the system are relatively low；By rotate film can high efficiency, low cost ground microalgae biomass, and biography is greatly reduced
Aeration energy consumption needed for activated sludge process of uniting, and the CO of traditional activated sludge process discharge2It can be absorbed and utilized by microalgae photosynthesis,
Reduce CO2Discharge capacity, while by helotism system, the discharge capacity of excess sludge can be partly reduced, to reach tradition
Sewage disposal maximizing the benefits.Microalgae after harvesting can also act as microalgae fertilizer, improve its economy and social value.
Description of the drawings
Fig. 1：The front view of the utility model activated Sludge System；
In figure：1, aeration tank；2, activated sludge；3, air blower；
Fig. 2：The vertical view of the utility model activated Sludge System；
In figure：4, aeration branch pipe；5, aeration supervisor；
Fig. 3：The utility model drum-type rotates the front view of algae biofilm system；
In figure：6, film pillar；7, algae film；8, stirring blade；9, scraper；10, microalgae collecting tank；
Fig. 4：The utility model drum-type rotates the left view of algae biofilm system；
In figure：11, supporting steel frame；12, motor；13, axis；
Fig. 5：The utility model drum-type bacterium algae rotating biological membrane reactor structural schematic diagram.
Specific implementation mode
Below with reference to attached drawing, the preferred embodiment of the utility model is described in detail：It should be appreciated that preferably real
Example is applied only for illustrating the utility model, rather than in order to limit the scope of protection of the utility model.
Embodiment 1
A kind of drum-type bacterium algae rotating biological membrane reactor described in the present embodiment includes activated Sludge System and drum-type
Rotate algae biofilm system two parts.
Activated Sludge System main body is aeration tank（1）, further include activated sludge（2）And air blower（3）, and positioned at aeration
Pond（1）The aeration branch pipe of bottom（4）It is responsible for aeration（5）.
Aeration supervisor（5）With air blower（3）Air outlet be directly connected to, can be connected when necessary by additional pipeline.
Aeration branch pipe（4）It is distributed in aeration supervisor（5）Both sides, entire aerating pipelines are distributed in aeration tank（1）Interior bottom,
And not in activated sludge（2）Below liquid level.
The drum-type rotation algae biofilm system includes supporting steel frame（11）, axis（13）, stirring blade（8）, scraper
（9）, microalgae collecting tank（10）, motor（12）, film pillar（6）With algae film（7）.
Stirring blade（8）And cylinder body is fixed on axis（13）On, axis（13）It is erected at supporting steel frame（11）On make roller
In vacant state.
Motor（12）Equally it is erected at supporting steel frame（11）On, and and axis（13）It is directly connected to, when operation passes through motor
（12）Band moving axis（13）Cylinder body is set to rotate.
Film pillar（6）It is fixed on cylinder body, algae film（7）It is fixed on film pillar（6）On.
Microalgae collecting tank（10）It is fixed on supporting steel frame（11）On, scraper（9）With microalgae collecting tank（10）It is connected and close
Algae film（7）And it is angled, when algae film（7）On micro algae biomass accumulation to when certain thickness can pass through adjust scraper（9）
Harvesting microalgae is in microalgae collecting tank.
Activated Sludge System is placed in below drum-type rotation algae biofilm system when device is run, and should be submerged in below roller
Aeration tank（1）Waste water in；
Applying step is：
Step 1：The culture of microalgae
The microalgae to grow fine is transferred in micro-algae culture medium and is cultivated, intensity of illumination is cultivated in illumination shaking table is
4000Lux, temperature are 28 DEG C, and rotating speed is 120 revs/min, obtain the algae solution that OD value is 2.
Step 2：Microalgae it is adherent
It is equably sprayed onto on adherent material by nozzle after the algae solution of step 1 culture gained is diluted 10 times.
Step 3：The formation of microalgae film
Adherent material after microalgae adherence is installed on film pillar（6）On；
Step 4：The harvest of microalgae
When microalgae film grows to certain thickness, adjustable blade（9）Microalgae on adherent material is scraped, microalgae is received
Collection is in microalgae collecting tank（10）It is interior.
The device height of the drum-type bacterium algae rotating biological membrane reactor is 0.5m；Hydraulic detention time is 7 days；Roller
Exploitation speed be 6 revs/min；Aeration flow is 250 ml/mins；The area of the adherent material of rotating biological film is
1200cm2；7 days/time of the frequency of scraper microalgae.
Drum-type bacterium algae rotating biological membrane reactor runtime environment temperature is 25 DEG C, intensity of illumination 6000Lux；Microalgae
Algae is chlorella；Micro-algae culture medium is BG-11 culture mediums；Adherent material is pure cotton canvas.
Advantage in microalgae biomass yield
The algae solution that OD value is 2 is obtained using BG-11 medium cultures, algae solution is inoculated in a manner of spraying or impregnating
In this system bond area be 1200cm2Adherent material on.In certain local municipal sewage plant obtain municipal wastewater and
Activated sludge is inoculated in the activated sludge tank of system and is aerated by suitable activated sludge, aeration quantity be 250 milliliters/
Minute, start the motor in rotation algae biofilm system, the speed of rotation of system is made to be in 6 revs/min.Device is placed in receivable
The regional stability of illumination is run, intensity of illumination 6000Lux, and environment temperature is 25 DEG C.Control group is flat optical-biological reaction
Device, length, width and height are respectively 60 × 80 × 60cm, swept volume 16L, are 6000Lux in intensity of illumination, and environment temperature is 25 DEG C,
And it is passed through containing 2.5%CO2Air, under conditions of aeration quantity is 1L/min, continuous culture is compared more anti-than the utility model after 5 days
Answer the growing state of device and control group microalgae, the results showed that：The microalgae biomass yield of the utility model reactor be 24.57 ±
3.36g/m2, control group 1.81g/L；Biomass yield is 3.51 ± 0.48g/m2/ d, control group 0.26g/L/d, although two
Kind reactor organisms matter yield is different from the unit of yield, but the swept volume of the two is identical, it is possible to apparent
Find out that the utility model reactor either yield of biomass or biomass yield are superior to control group reactor.
Claims (1)
1. a kind of drum-type bacterium algae rotating biological membrane reactor, it is characterised in that：The reactor includes activated Sludge System
Algae biofilm system two parts are rotated with drum-type；
The activated Sludge System main body is aeration tank（1）, further include activated sludge（2）And air blower（3）, and positioned at exposure
Gas pond（1）The aeration branch pipe of bottom（4）It is responsible for aeration（5）；Aeration supervisor（5）With air blower（3）Air outlet be directly connected to；
Aeration branch pipe（4）It is distributed in aeration supervisor（5）Both sides, entire aerating pipelines are distributed in aeration tank（1）Interior bottom, and not in work
Property sludge（2）Below liquid level；
The drum-type rotation algae biofilm system includes supporting steel frame（11）, axis（13）, stirring blade（8）, scraper（9）、
Microalgae collecting tank（10）, motor（12）, film pillar（6）With algae film（7）；Stirring blade（8）And cylinder body is fixed on axis（13）
On, axis（13）It is erected at supporting steel frame（11）On so that roller is in vacant state；Motor（12）Equally it is erected at supporting steel frame
（11）On, and and axis（13）It is directly connected to, when operation passes through motor（12）Band moving axis（13）Cylinder body is set to rotate；
Film pillar（6）It is fixed on cylinder body, algae film（7）It is fixed on film pillar（6）On；Microalgae collecting tank（10）It is fixed on branch
Support steelframe（11）On, scraper（9）With microalgae collecting tank（10）It is connected and close to algae film（7）And it is angled, when algae film（7）On
Micro algae biomass accumulation to when certain thickness can pass through adjust scraper（9）Harvesting microalgae is in microalgae collecting tank；
Activated Sludge System is placed in below drum-type rotation algae biofilm system, and aeration tank should be submerged in below roller（1）It is useless
In water.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902938A (en) * | 2019-11-07 | 2020-03-24 | 嘉兴职业技术学院 | Fungus-algae immobilized embedded water quality purification device adopting biomembrane method |
| CN114275879A (en) * | 2022-01-05 | 2022-04-05 | 同济大学 | Device and method for treating sewage by adopting light-transmitting conductive biocathode fungus-algae bioelectrochemical system |
| CN114507605A (en) * | 2020-11-17 | 2022-05-17 | 中国科学院过程工程研究所 | Drying method of microalgae |
| CN115849563A (en) * | 2022-12-09 | 2023-03-28 | 常州工程职业技术学院 | Distributed livestock and poultry manure and domestic sewage cooperative treatment system and treatment method |
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2018
- 2018-01-19 CN CN201820090907.5U patent/CN207877390U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902938A (en) * | 2019-11-07 | 2020-03-24 | 嘉兴职业技术学院 | Fungus-algae immobilized embedded water quality purification device adopting biomembrane method |
| CN110902938B (en) * | 2019-11-07 | 2021-10-29 | 嘉兴职业技术学院 | Fungus-algae immobilized embedded water quality purification device adopting biomembrane method |
| CN114507605A (en) * | 2020-11-17 | 2022-05-17 | 中国科学院过程工程研究所 | Drying method of microalgae |
| CN114275879A (en) * | 2022-01-05 | 2022-04-05 | 同济大学 | Device and method for treating sewage by adopting light-transmitting conductive biocathode fungus-algae bioelectrochemical system |
| CN114275879B (en) * | 2022-01-05 | 2022-12-09 | 同济大学 | Device and method for treating sewage by adopting light-transmitting conductive biocathode bacteria-algae bioelectrochemical system |
| CN115849563A (en) * | 2022-12-09 | 2023-03-28 | 常州工程职业技术学院 | Distributed livestock and poultry manure and domestic sewage cooperative treatment system and treatment method |
| CN115849563B (en) * | 2022-12-09 | 2023-09-08 | 常州工程职业技术学院 | Distributed livestock manure and domestic sewage cooperative treatment system and treatment method |
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