CN208249986U - Anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit - Google Patents
Anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit Download PDFInfo
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- CN208249986U CN208249986U CN201820341168.2U CN201820341168U CN208249986U CN 208249986 U CN208249986 U CN 208249986U CN 201820341168 U CN201820341168 U CN 201820341168U CN 208249986 U CN208249986 U CN 208249986U
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Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses anaerobic fluidized bed series connection artificial swamp type microbial fuel cell units, comprising: the anaerobic fluidized bed and artificial swamp type microbiological fuel cell being connected in series；The anaerobic fluidized bed culture activity is attached with anode of the carrier of biomembrane as artificial swamp type microbiological fuel cell；The utility model is for traditional activated sludge process, the New Type of Sewage Treatment System for anaerobic fluidized bed+artificial swamp type microbiological fuel cell that this programme proposes, the advanced treating to sewage can be achieved in two device series connection, improves water treatment effect；It is anaerobic fluidized bed to cultivate the carrier that activity is attached with biomembrane, it is used for artificial swamp type Microbial fuel anode, the starting of microbiological fuel cell can be accelerated.
Description
Technical field
The utility model relates to water process to utilize technical field, micro- more particularly to anaerobic fluidized bed series connection artificial swamp type
Biological fuel cell device.
Background technique
(1) energy is the important material base that the mankind depend on for existence with social sustainable development.Fossil fuel maintains industry
And expanding economy, but energy consumption is aggravated with the growth of population, and it is fast that fossil fuel has been unable to satisfy demographic and economic
The demand that speed increases, energy deficiency not only limit industry and expanding economy, also create shortage of water resources problem.
(2) as the growth of world population, world's water consumption rapidly increase, water pollution problems is got worse, the whole world there are about
1000000000 people can not enjoy sufficient drinking water, and China also becomes one of 13 water shortage countries.Conventional water supply and wastewater treatment needs
The higher energy is wanted to put into, this results in short water supply to a certain extent.In the U.S., the basic management of water resource will be consumed
The 4%-5% of electric energy；There are about the processing that 1.5% power consumption is individually used for sewage, annual water process about puts into 25,000,000,000 yuan, 20 years
After be expected to up to 60,000,000,000 dollars.
(3) anaerobe comes into full contact with processed medium in fluidized bed and has been formed on its surface biofilm,
Mass transfer is promoted, solid-liquid reaction rate is accelerated, overcomes the blockage problem of existing fixed bed, therefore handle the organic of high concentration
Waste water.The carrier that activity is attached with biomembrane can be formed after operation a period of time in the device.Due to its load height, ratio of height to diameter
It is bigger, therefore installation area is smaller.But it is anaerobic fluidized bed when handling high concentrated organic wastewater, to reach sewage row
Standard is put, need to be further processed.
(4) artificial swamp is made using soil, artificial dielectric, plant, the physics of microorganism, chemistry, the triple collaborations of biology
With a kind of processing technology of sewage.Artificial swamp is aerobic, positive with microorganism fuel cell cathode because its surface layer is aerobic, bottom anaerobism
The environmental condition of pole anaerobism matches, therefore the two can be combined, and forms artificial swamp type microbiological fuel cell
(Constructed Wetlands-Microbial Fuel Cell,CW-MFC).CW-MFC system is while handling sewage
Electric energy can be recycled, and accelerates the anaerobic degradation process of dirty Organic substance in water.
In existing literature, Li Xianning et al. research hydraulic detention time is that 2d uses continuum micromeehanics by substrate of glucose
CW-MFC system processing sewage and electricity generation performance, show that system is greater than 90% to the removal rate of COD, obtaining current density is
2A/m3.Asheesh et al. has studied drop of the CW-MFC system for waste water fuel system for COD in waste water from dyestuff and fuel
Situation is solved, the treatment effect of good rear CW-MFC is obtained.Zhao etc. has studied CW-MFC and CW system discovery, CW-MFC system compared with
CW system can obtain higher COD removal rate and power density.Villasenor etc. takes horizontal surface streaming artificial swamp system
System-microbial fuel cells system carries out processing to different dense glucose and obtains good effect.Therefore in processing sewage
Aspect, artificial swamp type microbiological fuel cell have stronger ability.
CN200910013757- anaerobic fluidized bed air cathode microbial fuel cell unit is disclosed in the prior art,
The patent combines anode of microbial fuel cell anaerobism with the environment of anaerobic fluidized bed anaerobism, and anaerobic fluidized bed is its electronics
Source, the processing for sewage is anaerobic reaction mechanism, high COD (by taking the beer waste water referred in its text as an example, COD value
Generally in 1000-5000mg/L) removal rate be 80% if, treated, and water is still the (" cities and towns GB18918-2002 not up to standard
Wastewater Treatment discharge standard " in regulation sewage discharge COD be up to level-one B 60mg/L), the sewage of discharge need to be into
The processing of one step.
In conclusion problem of the existing technology is that equipment is affected in terms of operation by water quality and quantity, it is discharged water
Matter is unstable, and the sludge of generation is not easy precipitating removal.High COD water inlet needs to be further processed.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides anaerobic fluidized bed series connection artificial swamp type microorganism
Fuel-cell device, this two device series connection of anaerobic fluidized bed and artificial swamp type microbiological fuel cell can be achieved to sewage
Advanced treating improves water treatment effect.
Anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit, comprising: be connected in series anaerobic fluidized bed and
Artificial swamp type microbiological fuel cell；
The anaerobic fluidized bed culture activity is attached with the carrier of biomembrane as artificial swamp type microbiological fuel cell
Anode；Sewage enters in anaerobic fluidized bed sufficiently to react with the carrier for being attached with biomembrane, and the sewage after reaction enters artificial
Wetland type microbiological fuel cell, pass sequentially through the water distribution layer of battery, gravel haydite mixed layer, anode, gravel haydite mixed layer,
Cathode, plant bottom, by anode microorganism, gravel haydite mixed layer, the biology of root system, chemistry, physical action, to pollutant
It is further removed, is discharged by the top of artificial swamp type microbiological fuel cell.
Further, the anaerobic fluidized bed import is connected with wastewater influent pump, the anaerobic fluidized bed interior middle part
With under-filled active high-area carbon, three phase separator is located at the top of absorbent charcoal carrier, and gas gathering system collecting terminal connects three-phase
The gas output end of separator, the exhaust end of gas gathering system are communicated to the air accumulator outside anaerobic fluidized bed upper top.
Further, described anaerobic fluidized bed to be additionally provided with sludge drainage system.
Further, the anaerobic fluidized bed interior middle part and under-filled active high-area carbon, absorbent charcoal carrier partial size
For 0.5-1mm.
Further, the anaerobic fluidized bed water outlet is connected with the water inlet at the top of conditioning tank, exports under conditioning tank
It is connected with water inlet below artificial swamp type microbiological fuel cell, flow velocity is controlled by intake pump.
Further, the sewage is pumped into anaerobic fluidized bed by sewage pump, and absorbent charcoal carrier, which becomes, is attached with biology
The carrier of film is sufficiently reacted with sewage, when water, sludge, gas pass through three phase separator, sludge settling to anaerobic fluidized bed bottom,
It is discharged by sludge drainage system, gas is collected by exhaust system into exhaust canister, and water is drained into conditioning tank, in conditioning tank
Water by being pumped into artificial swamp type microbiological fuel cell.
Further, the electronics that the carrier for being attached with biomembrane in the artificial swamp type microbiological fuel cell generates
By wire transmission, voltmeter records fixed value resistance both end voltage, the electric current of entire circuit is calculated according to Ohm's law.
Further, the electronics that the carrier for being attached with biomembrane in the artificial swamp type microbiological fuel cell generates
It is collected in anode and is transmitted to cathode by conducting wire and is reduced, connected fixed value resistance in external circuit, it is fixed to be gone out by multitester measuring
It is worth resistance both end voltage and the electric current of entire circuit is obtained according to Ohm's law I=U/R.
Further, the artificial swamp type microbiological fuel cell after the voltage is settled, using resistance box, is exchanged not
It with the resistance of resistance value, is mapped according to voltage and current density, obtains the internal resistance of cell, completed to artificial swamp type Microbial fuel electricity
The evaluation of pond electricity production.
Further, the cathode of the artificial swamp type microbiological fuel cell, anode material be carbon-point, steel wire or
The shape of titanium net, pore size 2-8mm, cathode is chip, and anode shape is column type.
The invention also discloses the work sides of anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit
Method, comprising:
Start first it is anaerobic fluidized bed, Starting mode be high load capacity batch Cyclic culture mode, stable effluent quality mark
The domestication of anaerobism carbon sludge carrier it is mature, it is successful that domestication is taken out according to the volume of artificial swamp type anode of microbial fuel cell
Anaerobism carbon sludge carrier；
Sewage is pumped into anaerobic fluidized bed by sewage pump, and the carrier for being attached with biomembrane is sufficiently reacted with sewage, water, dirt
When mud, gas pass through three phase separator, sludge settling is discharged to anaerobic fluidized bed bottom by sludge drainage system, and gas passes through row
Gas system is discharged and then is collected into exhaust canister, and water is drained into conditioning tank；
Water in conditioning tank passes sequentially through water distribution layer, gravel by being pumped into artificial swamp type microbiological fuel cell
Haydite mixed layer, anode, gravel haydite mixed layer, cathode, plant bottom, by anode microorganism, gravel haydite mixed layer, root
The physics of system, chemistry, biological effect further remove pollutant, reduce the degree of water pollution.
The invention also discloses a kind of sewage disposal systems, micro- using above-mentioned anaerobic fluidized bed series connection artificial swamp type
The processing of biological fuel cell device realization sewage.
Compared with prior art, the utility model has the beneficial effects that
1, for traditional activated sludge process, anaerobic fluidized bed+artificial swamp type microorganism of this programme proposition
The New Type of Sewage Treatment System of fuel cell, two device series connection can be achieved the advanced treating to sewage, improve water treatment effect
Fruit；It is anaerobic fluidized bed to cultivate the carrier that activity is attached with biomembrane, it is used for artificial swamp type Microbial fuel anode, can be accelerated
The starting of microbiological fuel cell.
2, utility model device generates in the middle anaerobic fluidized bed, and microbiological anaerobic breathing degradation COD is generated simultaneously
CH4, newly add air accumulator in the middle, to CH4It is collected, energy biogas can be recycled, the carrier that activity is attached with biomembrane has one
Fixed economic benefit.
The utility model is without aeration and can recycle electric energy, and sewage enters artificial swamp type microbiological fuel cell, anode
Microorganism carry out anaerobic reaction, anaerobic respiration generate electronics be collected in anode, cathode is transmitted to by conducting wire, in cathode
Reduction reaction occurs, forms the circuit of a closure, produces electricl energy.
The utility model does not need aeration consumption electric energy and can generate CH4, electricity, this is realized to the energy in sewage
Recycling reduces the consumption to electric energy.
3, in anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit, in operation anaerobic fluidized bed head early period
First start, Starting mode is high load capacity batch Cyclic culture mode, and initial COD concentration is 5500mg/L, and hydraulic detention time is
1d is cultivated by 30d, is monitored COD, is monitored its effluent quality, stable effluent quality indicate the domestication of anaerobism carbon sludge carrier at
It is ripe, it is taken out according to the volume of artificial swamp type anode of microbial fuel cell and tames successful anaerobism carbon sludge carrier.
As it can be seen that artificial swamp type microbiological fuel cell carries out the domestication of freezing in two weeks to activated sludge before operation, then
It is put into microbiological fuel cell and tames, the present apparatus shortens the domestication time of artificial swamp type microbiological fuel cell.
4, for sewage treatment plant, sewage treatment plant have phase same-action is anaerobic pond, anoxic pond, aerobic
Pond, secondary settling tank, and anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit only has anaerobic fluidized bed and Manual moist
Two devices of ground type microbiological fuel cell, therefore, the utility model is compact-sized, and it is small can to reduce occupied area；Shock resistance is negative
Lotus ability is strong, to the adaptable of water quality and quantity variation.
5, the anaerobic fluidized bed recycling CH of this patent4It is combined with artificial swamp microbiological fuel cell recycling electric energy, by two
A sewage-treatment plant series connection, is not adequately to be recycled the coupling of principle to the biomass energy contained in sewage, increases
Strong wastewater treatment efficiency, economizes on resources.Stronger to water quality and quantity adaptability, anaerobic fluidized bed aging sludge is easily removed,
Blockage problem is less likely to occur.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of the utility model；
In figure, 1, wastewater influent pump, 2, anaerobic fluidized bed, 3, absorbent charcoal carrier, 4, three phase separator, 5, gas gathering system,
6, air accumulator, 7, sludge drainage system, 8, conditioning tank, 9, intake pump, 10, wetland plant, 11, gravel, 12, titanium net, stainless steel or carbon
Felt etc., 13, active carbon, 14, artificial swamp type microbiological fuel cell, 15, be attached with the carrier of biomembrane, 16, titanium net, 17,
Gravel haydite mixture, 18, water distribution layer, 19, conducting wire, 20, fixed value resistance, 21, voltmeter, 22, cathode, 23 anodes.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Specific embodiment one, as shown in Figure 1, providing anaerobic fluidized bed series connection artificial swamp type microbiological fuel cell
Device includes wastewater influent pump (1), anaerobism fluidisation in the anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit
Bed (2), absorbent charcoal carrier (3), three phase separator (4), gas gathering system (5), air accumulator (6), sludge drainage system (7), conditioning tank
(8), intake pump (9), wetland plant (10), gravel (11), titanium net, stainless steel or carbon felt etc. (12), active carbon (13), Manual moist
Ground type microbiological fuel cell (14), the carrier (15) for being attached with biomembrane, titanium net (16), gravel haydite mixture (17), cloth
Water layer (18), conducting wire (19), fixed value resistance (20), voltmeter (21), wherein titanium net, stainless steel or carbon felt etc. (12), active carbon
(13) cathode (22) are formed, is attached with carrier (15), titanium net (16) composition anode (23) of biomembrane, absorbent charcoal carrier (3) is filled out
The middle part and lower part in anaerobic fluidized bed (2) are filled, three phase separator (4) is located at the top of absorbent charcoal carrier (3), gas gathering system
(5) gas output end of collecting terminal connection three phase separator (4), the exhaust end of gas gathering system (5) are communicated to anaerobic fluidized bed (2)
Upper top outside, wastewater influent pump (1) water outlet and anaerobic fluidized bed (2) bottom inlet communication, anaerobic fluidized bed (2)
Water outlet is connected with the water inlet at the top of conditioning tank (8), outlet and artificial swamp type microbiological fuel cell under conditioning tank (8)
(14) lower section water inlet is connected, and flow velocity is controlled by intake pump (9).Gravel (11), titanium net, stainless steel or carbon felt etc. simultaneously
(12), active carbon (13), the carrier (15) for being attached with biomembrane, titanium net (16), gravel haydite mixture (17), water distribution layer (18)
It is arranged in the inside of artificial swamp type microbiological fuel cell (14), treated, and water is flowed out from top.It is attached with biomembrane
The electronics that carrier (15) generates is transmitted by conducting wire (19), and voltmeter (21) records fixed value resistance (20) both end voltage, according to Europe
Nurse law I=U/R, calculates the electric current of entire circuit.
The function of part in above-mentioned anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit specifically: dirty
Water intake pump: control water inlet flow velocity and flow make anaerobic fluidized bed inner carrier be in fluidized state, absorbent charcoal carrier: anaerobism stream
Change the carrier part in bed, provides huge surface area for the growth of microorganism, be conducive to the growth of microorganism；Three phase separator:
Play the role of making sludge, water, gas separation；Gas gathering system: the CH that conveying generates is played4Effect；Air accumulator: CH is collected4；Row
Mud system: the activated sludge of the anaerobic fluidized bed interior aging of discharge；Conditioning tank: storing and after adjusting anaerobic fluidized bed processing
Water, gravel: fixed wetland plant；Cathode: electronics is oxidized herein, active carbon: cathode；It is attached with the carrier of biomembrane: anaerobism
The place of microorganism growth；Anode: the electronics that microbiological anaerobic breathing generates is collected；Conducting wire: transmission microbiological anaerobic breathing
Electronics is to cathode；Gravel haydite mixture: the base portion of artificial swamp；Water distribution layer: water distribution uniformity ' fixed value resistance, multimeter:
Fixed value resistance both end voltage is measured with multimeter, to obtain the electric current of entire circuit.
When realizing sewage treatment, sewage is pumped into anaerobic fluidized bed above-mentioned apparatus by sewage pump, is attached with biomembrane
Carrier sufficiently reacted with sewage, when water, sludge, gas pass through three phase separator, sludge settling to anaerobic fluidized bed bottom, lead to
Cross sludge drainage system discharger；Gas is collected by exhaust system allotting device into exhaust canister；Water is drained into adjusting
Pond.It is mixed to pass sequentially through water distribution layer, gravel haydite by being pumped into artificial swamp type microbiological fuel cell for water in conditioning tank
Close layer, anode, gravel haydite mixed layer, cathode, plant bottom, by anode microorganism, gravel haydite mixed layer, root system object
Reason, chemistry, biological effect, further remove pollutant, reduce the degree of water pollution.Pass through measurement water outlet
COD, ammonia nitrogen, total phosphorus, total nitrogen can evaluate device water treatment ability.Meanwhile the electronics that anode microorganism generates is in sun
Pole, which is collected, to be transmitted to cathode by conducting wire and is reduced, and is connected fixed value resistance in external circuit, is gone out resistance two by multitester measuring
Voltage is held to obtain the electric current of entire circuit according to Ohm's law I=U/R.After the voltage is settled, it using resistance box, exchanges not
With the resistance of resistance value, is mapped according to voltage and current density, obtain the internal resistance of cell, it is achievable to artificial swamp type Microbial fuel
The evaluation of battery electricity production.
The application hydraulic detention time is short and national sewage discharge requirement can be improved.Wherein, hydraulic detention time is short
It is for Wastewater Treated by Activated Sludge Process sewage, since anaerobic fluidized bed interior biomass is high, sewage and microorganism are abundant
Contact, therefore specific load is higher, collective effect of the artificial swamp type microbiological fuel cell due to physics, chemistry, biology, place
Reason ability is also relatively strong.Therefore for same water, processing speed is fast, so hydraulic detention time is short.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: affiliated fluidized bed (2) inside
Absorbent charcoal carrier is 0.5-1mm, will form one layer of biomembrane after the growth of microbial activity carbon surface, partial size can become larger.It is other
Structure and connection relationship and specific embodiment one are identical.
Active carbon and activated sludge be most initially it is separated, the partial size of active carbon particle is 0.5-1mm, and device formally opens
After dynamic, therefore partial size can become larger activated carbon granule surface meeting attached biological film.
Specific embodiment 3: the present embodiment is different from the first embodiment in that: the material of the cathode, anode
Mostly carbon-point, steel wire, titanium net etc., pore size 2-8mm, cathode shape are chip, and anode shape is column type.Other knots
Structure and connection relationship and specific embodiment one are identical.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (7)
1. anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit, comprising: the anaerobic fluidized bed and people being connected in series
Work wetland type microbiological fuel cell；
The anaerobic fluidized bed import is connected with wastewater influent pump, it is described it is anaerobic fluidized bed in middle part and under-filled have work
Property high-area carbon, three phase separator is located at the top of absorbent charcoal carrier, and the gas that gas gathering system collecting terminal connects three phase separator is defeated
Outlet,
The exhaust end of gas gathering system is communicated to the air accumulator outside anaerobic fluidized bed upper top.
2. anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit as described in claim 1, characterized in that institute
It states and anaerobic fluidized bed is additionally provided with sludge drainage system.
3. anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit as claimed in claim 2, characterized in that institute
The middle part in anaerobic fluidized bed and under-filled active high-area carbon are stated, absorbent charcoal carrier partial size is 0.5-1mm.
4. anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit as claimed in claim 3, characterized in that institute
It states anaerobic fluidized bed water outlet to be connected with the water inlet at the top of conditioning tank, outlet is fired with artificial swamp type microorganism under conditioning tank
Expect that water inlet is connected below battery, flow velocity is controlled by intake pump.
5. anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit as described in claim 1, characterized in that institute
It states the electronics that the carrier for being attached with biomembrane in artificial swamp type microbiological fuel cell generates and passes through wire transmission, voltmeter
Record fixed value resistance both end voltage.
6. anaerobic fluidized bed series connection artificial swamp type microbial fuel cell unit as described in claim 1, characterized in that institute
The material of the cathode, anode of stating artificial swamp type microbiological fuel cell is carbon-point, steel wire or titanium net, pore size 2-
The shape of 8mm, cathode are chip, and anode shape is column type.
7. a kind of sewage disposal system, including any anaerobic fluidized bed micro- life of series connection artificial swamp type of claim 1-6
Object fuel-cell device.
Priority Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110228851A (en) * | 2019-03-22 | 2019-09-13 | 中国环境科学研究院 | A kind of drawer type microorganism battery coupling artificial wet land system |
| CN111003794A (en) * | 2019-12-25 | 2020-04-14 | 广州市环境保护工程设计院有限公司 | Artificial wetland system for treating rural domestic sewage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228851A (en) * | 2019-03-22 | 2019-09-13 | 中国环境科学研究院 | A kind of drawer type microorganism battery coupling artificial wet land system |
| CN111003794A (en) * | 2019-12-25 | 2020-04-14 | 广州市环境保护工程设计院有限公司 | Artificial wetland system for treating rural domestic sewage |
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