CN205398232U - Electric installation is produced in dephosphorization of bio -membrane process denitrification - Google Patents
Electric installation is produced in dephosphorization of bio -membrane process denitrification Download PDFInfo
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- CN205398232U CN205398232U CN201620181731.5U CN201620181731U CN205398232U CN 205398232 U CN205398232 U CN 205398232U CN 201620181731 U CN201620181731 U CN 201620181731U CN 205398232 U CN205398232 U CN 205398232U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides an electric installation is produced in dephosphorization of bio -membrane process denitrification, belongs to sewage treatment technical field. Including the water tank that connects gradually, the anaerobism pond, just heavy pond, good oxygen pond, oxygen deficiency pond and eventually heavy pond, become reconciled and is separated by amberplex between the oxygen pond in the anaerobism pond, wherein the anaerobism pond is as microbiological fuel cell's anode chamber, good oxygen pond is as microbiological fuel cell's cathode chamber, anode chamber and cathode chamber be external resistance box respectively, form closed -loop, it surmounts the tube coupling through mud between pond and oxygen deficiency pond just to sink, sink eventually between pond and anaerobism pond and be connected through the sludge return pipe way, still be equipped with delivery port and pai nikou on the eventually heavy pond. The utility model discloses utilize two mud systems technology and microbiological fuel cell's coupling technology to handle domestic sewage, can produce stable magnitude of voltage in COD, TP and TN concentration in reducing sewage, both effectually handled the pollutant in the sewage, produced clean electric energy again.
Description
Technical field
The invention belongs to technical field of sewage, particularly relate to a kind of biomembrance process denitrification dephosphorization electrogenesis device, while the pollutant such as COD in processing sewage, nitrogen, phosphorus, produce the new technology of electric energy.
Background technology
Conventional denitrification dephosphorization process is mainly made up of anaerobism, aerobic, anoxic reacter, is divided into single sludge processes and two sludge system.In single sludge processes, nitrobacteria and Denitrifying Phosphate Accumulating Organisms are present in same reactor, experiencing anaerobism, anoxia, aerobic three kinds of running environment successively, but in two sludge system, nitrobacteria and denitrifying bacteria each are present in independent reactor, they can grow in respective optimum operation environment, and can solve the competition contradiction of nitrifier and polyP bacteria in traditional handicraft better.The double; two bricklayer's's skill of denitrification dephosphorization not only contributes to solve in traditional biological dephosphorization and denitrification process the problem that makes treatment effect relatively poor because in municipal sewage carbon source is not enough, and sludge yield can be reduced, reduce sludge treatment expense, reduce structures quantity and volume required, save oxygen-supplying amount, reduce power consumption.But, denitrifying phosphorus removal technique, in the process processing sanitary sewage, has tamed the microorganism of maturation in a lot of but without performing to due effect, for instance containing substantial amounts of chemical energy etc. in microorganism, cause certain wasting of resources.Microbiological fuel cell is to utilize the Organic substance in the catalytic action degradation of sewage of microorganism, and chemical energy is converted into the novel reactor of electric energy, but to pollutant such as the nitrogen reduced in sewage, phosphorus without obvious removal effect.There is sludge settling difficulty and the problem such as be easy to run off in Sewage Plant traditional activated sludge process.The biomembrane facture of sewage is a kind of sewage aerobic biologic treating technique arranged side by side with activated sludge process, is a kind of efficient method of wastewater treatment.Biomembrane refers to all by the attachment of certain medium, fixing biologically active bodies and material.Being required for certain medium in biomembrane attachment and fixation procedure undertake and complete to fix, this medium is called biofilm carrier, also referred to as carrier filler.Filler is that biomembrane is rely the place perched, and is biomembranous carrier, also has the effect retaining float simultaneously.The advantage such as biomembrance process has that sludge quantity is few, will not produce sludge bulking, variation to the water quality and quantity of waste water has the ability of well adapting to, operational management is simple.The research coupled with microbiological fuel cell about biomembrane denitrification dephosphorization at home and abroad still belongs to blank field, after coupling device successful operation, stable electric energy is produced while processing sewage, not only there is significantly high theory and using value, also technical support is provided for Denitrifying Phosphorus Removal Technology development and application in the sewage disposal of actual cities, there is provided certain reference for the Technology design in Practical Project, improve denitrification nitrogen and phosphorus removal technical system further.
Summary of the invention
Technical problem for above-mentioned existence, in order to overcome the waste causing substantial amounts of organic energy in the process processing sewage, without the deficiency that renewable green energy resource produces, the present invention provides a kind of biomembrance process denitrification dephosphorization electrogenesis device, wherein denitrifying phosphorus removal technique is that anaerobic reactor, aerobic biofilm reactor and the anoxic reacter run is joined together, the driving by double-energy being collectively forming.This device can not only reduce COD in sewage, the concentration of TN and TP and purify sewage, and the catalytic action of microorganism can be utilized to produce electric energy.
It is an object of the invention to be achieved through the following technical solutions:
One biomembrance process denitrification dephosphorization electrogenesis device of the present invention, including the water tank being sequentially connected with, anaerobic pond, preliminary sedimentation tank, Aerobic Pond, anoxic pond and final deposition pool, separated by ion exchange membrane between anaerobic pond and Aerobic Pond, wherein anaerobic pond is as the anode chamber of microbiological fuel cell, Aerobic Pond is as the cathode chamber of microbiological fuel cell, anode chamber and cathode chamber outer meeting resistance case respectively, form closed-loop path, surmount pipeline by mud between preliminary sedimentation tank and anoxic pond to connect, it is connected by sludge reflux pipeline between final deposition pool with anaerobic pond, final deposition pool is additionally provided with outlet and mud discharging mouth, while processing sewage, produce electric energy, realize coupling of denitrification dephosphorization and microbiological fuel cell technique.
Further, described anaerobic pond and Aerobic Pond are respectively through the electrode and the wire outer meeting resistance case that are enriched with a large amount of microorganism.
Further, described anaerobic pond and anoxic pond are all provided with top cover, inside set agitating device.
Further, described Aerobic Pond is biofilm reactor, fills filler, be provided with aeration sand head, connect air compressor outside aeration sand head at the bottom of pond in pond.
Further, the inlet pipeline of described water tank, mud surmount with sludge reflux pipeline on be respectively connected with pump.
Further, the bottom of described anaerobic pond, preliminary sedimentation tank, Aerobic Pond, anoxic pond and final deposition pool is funnel-form, and outlet at bottom is equipped with drain valve.
The invention have the benefit that
The present invention utilizes the coupling technique process sanitary sewage of driving by double-energy technique and microbiological fuel cell, stable magnitude of voltage can be created while COD, TP and the TN concentration in reducing sewage, both effectively process the pollutant in sewage, create again cleaning electric energy.
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention.
Fig. 2 is the technology arrangement figure of the present invention.
Fig. 3 is the electrogenesis part schematic diagram of structure of the present invention.
In figure: 1. water tank, 2. anaerobic pond, 3. preliminary sedimentation tank, 4. Aerobic Pond, 5. anoxic pond, 6. final deposition pool, 7. ion exchange membrane, 8. mud surmounts pipeline, 9. outlet, 10. mud discharging mouth, 11. sludge reflux pipelines, 12. resistance boxes, 13. circuit testers, 14. carbon felts.
Detailed description of the invention
Describe the present invention below in conjunction with drawings and Examples.
Embodiment: as shown in Figure 1-Figure 3, the present invention includes the water tank inlet 1 being sequentially connected with, anaerobic pond 2, preliminary sedimentation tank 3, Aerobic Pond 4, anoxic pond 5 and final deposition pool 6, separated by ion exchange membrane 7 between anaerobic pond 2 and Aerobic Pond 4, wherein anaerobic pond 2 is as the anode chamber of microbiological fuel cell, Aerobic Pond 4 is as the cathode chamber of microbiological fuel cell, anode chamber and cathode chamber are respectively through carbon felt electrode 14 and copper conductor outer meeting resistance case 12, form closed-loop path, surmount pipeline 8 by mud between preliminary sedimentation tank 3 and anoxic pond 5 to connect, connected by sludge reflux pipeline 11 between final deposition pool 6 and anaerobic pond 2, final deposition pool 6 is additionally provided with outlet 9 and mud discharging mouth 10, while processing sewage, produce electric energy, realize coupling of denitrification dephosphorization and two kinds of techniques of microbiological fuel cell.
The inlet pipeline of described water tank 1, mud surmount and are respectively connected with pump on pipeline 8 and sludge reflux pipeline 11；Anaerobic pond 2 and anoxic pond 5 are all provided with top cover, and inside is equipped with agitator, are stirred so that muddy water mix homogeneously by agitator；Aerobic Pond 4, built with filler (floating type, fixed etc. all types of fillers), provides, for biomembrane, the place perched of relying, also sets aerator in Aerobic Pond 4.The bottom of described anaerobic pond 2, anoxic pond 5, Aerobic Pond 4, preliminary sedimentation tank 3 and final deposition pool 6 is funnel-form, and outlet at bottom is equipped with drain valve.
The present invention, in the process processing sewage, utilizes biomembrane denitrifying phosphorus removal technique to reduce the concentration of COD, TN and TP in sewage, purifies sewage；Using the anaerobic pond 2 anode chamber as microbiological fuel cell, Aerobic Pond 4 is as the cathode chamber of microbiological fuel cell, centre is separated by ion exchange membrane 7, anode chamber and cathode chamber are respectively through carbon felt 14 electrode and the copper conductor outer meeting resistance case 12 that are enriched with a large amount of microorganism, form closed-loop path, based on the continuous flow double sludge technique that anaerobic reactor, aerobic biofilm reactor and anoxic reacter combine, while processing sewage, produce certain electric energy, it is achieved denitrification dephosphorization couples with two kinds of techniques of microbiological fuel cell.The present invention is at run duration, the index of COD, ammonia nitrogen and total phosphorus respectively about 300mg/L, 50mg/L and 10mg/L in sewage, control dissolved oxygen concentration respectively 0.2mg/L, 0.5mg/L and the 3.5-5.0mg/L of anaerobic pond 2, anoxic pond 5 and Aerobic Pond 4, the water temperature of anaerobic pond 2 and anoxic pond 5 controls at 25 DEG C, and the water temperature of Aerobic Pond 4 controls at 25～30 DEG C.The sludge concentration of anaerobic pond 2 and anoxic pond 5 controls at about 5000mg/L, and the biomass control of Aerobic Pond 4 is at 6500mg/L.Sanitary sewage is firstly transferred to anaerobic pond (anode chamber) 2 and mixes with returned sludge, under the effect of amphimicrobian zymogenous bacteria, the larger molecular organics of part easily biological-degradable is converted into micromolecular volatile fatty acid (VFA), Denitrifying Phosphate Accumulating Organisms absorbs these small molecule volatile fatty acids synthesis PHB and is stored in cell, cohesion for cell phosphorus is hydrolyzed into orthophosphate simultaneously, is discharged in water (namely showing as the release of phosphorus)；Simultaneously, Organic substance decomposes under electrogenesis microbial action and discharges electronics and proton, electronics is delivered to negative electrode by external circuit and forms electric current, and proton is delivered to negative electrode by ion exchange membrane 7, oxygen in cathode chamber is as electron acceptor, receive the electronics that microorganism is transmitted from anode, self be also reduced into water simultaneously.Enter the sewage of Aerobic Pond (cathode chamber) 4 through preliminary sedimentation tank, under the effect of nitrifier, be nitrate nitrogen by the mineralized nitrogen in sewage.When there is nitration reaction in MFC negative electrode simultaneously, dissolved oxygen is produced competition by nitrifier and electrogenesis bacterium, for reducing this competition, controls the dissolved oxygen of Aerobic Pond 4 at 3.5～5mg/L.Sewage containing nitrate nitrogen enters anoxic pond 5 from Aerobic Pond 4, denitrification denitrogenation is carried out with the mud mixing that surmounts from preliminary sedimentation tank 3, now organic concentration is very low, Denitrifying Phosphate Accumulating Organisms mainly obtains energy for self growth and breeding by the PHB of storage in decomposer, excess absorbs the dissolved phosphorus in water simultaneously, it is stored in internal (excess namely showing as phosphorus absorbs) with the form of Quadrafos, precipitate through final deposition pool 6, a phosphorous high mud part is back to anaerobic pond 2 and carries out subsequent cycle, a part discharges this device, reaches the effect of dephosphorization.Device needs concentration change and the electrogenesis situation of COD, TN, the TP in continuous detecting course of reaction during startup optimization.
As in figure 2 it is shown, device global shape is rectangle, in device, the bottom of each reactor is funnel-form, is provided with drain valve.Device is in startup optimization process, water inlet, mud surmount and sludge reflux employing transport pump, all the other current all operate by gravity stream, sequentially pass through anaerobic pond (anode chamber) 2, preliminary sedimentation tank 3, Aerobic Pond (cathode chamber) 4, anoxic pond 5, final deposition pool 6, sewage is carried out purified treatment.
Fig. 3 is the electrogenesis part schematic diagram of structure of this utility model device, anode chamber's (anaerobic pond) 2 is spatially adjacent with cathode chamber (Aerobic Pond) 4, centre is separated by ion exchange membrane 7, cathode and anode electrode used therein material is the carbon felt 14 being enriched with a large amount of microorganism, connected by copper conductor, outer meeting resistance case 12, resistance box two terminates voltmeter and carries out the mensuration of magnitude of voltage.
Claims (6)
1. a biomembrance process denitrification dephosphorization electrogenesis device, it is characterized in that: include the water tank being sequentially connected with, anaerobic pond, preliminary sedimentation tank, Aerobic Pond, anoxic pond and final deposition pool, separated by ion exchange membrane between anaerobic pond and Aerobic Pond, wherein anaerobic pond is as the anode chamber of microbiological fuel cell, Aerobic Pond is as the cathode chamber of microbiological fuel cell, anode chamber and cathode chamber outer meeting resistance case respectively, form closed-loop path, surmount pipeline by mud between preliminary sedimentation tank and anoxic pond to connect, it is connected by sludge reflux pipeline between final deposition pool with anaerobic pond, final deposition pool is additionally provided with outlet and mud discharging mouth, while processing sewage, produce electric energy, realize coupling of denitrification dephosphorization and microbiological fuel cell technique.
2. biomembrance process denitrification dephosphorization electrogenesis device according to claim 1, it is characterised in that: described anaerobic pond and Aerobic Pond are respectively through the electrode and the wire outer meeting resistance case that are enriched with a large amount of microorganism.
3. denitrification dephosphorization electrogenesis device according to claim 1, it is characterised in that: described anaerobic pond and anoxic pond are all provided with top cover, inside set agitating device.
4. biomembrance process denitrification dephosphorization electrogenesis device according to claim 1, it is characterised in that: described Aerobic Pond is biofilm reactor, fills filler, be provided with aeration sand head, connect air compressor outside aeration sand head at the bottom of pond in pond.
5. biomembrance process denitrification dephosphorization electrogenesis device according to claim 1, it is characterised in that: the inlet pipeline of described water tank, mud surmount with sludge reflux pipeline on be respectively connected with pump.
6. biomembrance process denitrification dephosphorization electrogenesis device according to claim 1, it is characterised in that: the bottom of described anaerobic pond, preliminary sedimentation tank, Aerobic Pond, anoxic pond and final deposition pool is funnel-form, and outlet at bottom is equipped with drain valve.
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| CN201620181731.5U CN205398232U (en) | 2016-03-09 | 2016-03-09 | Electric installation is produced in dephosphorization of bio -membrane process denitrification |
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| CN201620181731.5U CN205398232U (en) | 2016-03-09 | 2016-03-09 | Electric installation is produced in dephosphorization of bio -membrane process denitrification |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150114904A1 (en) * | 2013-10-28 | 2015-04-30 | Cambrian Innovation Inc. | System and method for waste treatment |
| CN105585124A (en) * | 2016-03-09 | 2016-05-18 | 沈阳建筑大学建筑设计研究院 | Bio-membrane process denitrifying phosphorus removal and power generation device |
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2016
- 2016-03-09 CN CN201620181731.5U patent/CN205398232U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150114904A1 (en) * | 2013-10-28 | 2015-04-30 | Cambrian Innovation Inc. | System and method for waste treatment |
| US9771288B2 (en) * | 2013-10-28 | 2017-09-26 | Cambrian Innovation Inc. | System and method for waste treatment |
| US10486993B2 (en) | 2013-10-28 | 2019-11-26 | Cambrian Innovation, Inc. | System and method for waste treatment |
| CN105585124A (en) * | 2016-03-09 | 2016-05-18 | 沈阳建筑大学建筑设计研究院 | Bio-membrane process denitrifying phosphorus removal and power generation device |
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Address after: 110000 No.9-10 Jianyuan Street, Shenhe District, Shenyang City, Liaoning Province Patentee after: Institute of Planning and Architectural Design, Shenyang Architectural University Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9 University of Architecture Design Institute Patentee before: SHENYANG JIANZHU University ARCHITECTURE DESIGNING INSTITUTE |
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Address after: 110000 a, No. 9-10, Jianyuan street, Shenhe District, Shenyang City, Liaoning Province Patentee after: Shenyang Architecture University Design Group Co.,Ltd. Address before: 110000 a, No. 9-10, Jianyuan street, Shenhe District, Shenyang City, Liaoning Province Patentee before: Institute of Planning and Architectural Design, Shenyang Architectural University |