CN103319001A - Economical hybrid power biological membrane process - Google Patents
Economical hybrid power biological membrane process Download PDFInfo
- Publication number
- CN103319001A CN103319001A CN2012100789530A CN201210078953A CN103319001A CN 103319001 A CN103319001 A CN 103319001A CN 2012100789530 A CN2012100789530 A CN 2012100789530A CN 201210078953 A CN201210078953 A CN 201210078953A CN 103319001 A CN103319001 A CN 103319001A
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- film group
- microbial film
- drainage
- biological membrane
- hybrid power
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses an economical hybrid power biological membrane process, which is characterized in that a drainage aeration groove is arranged on the bottom of a sewage tank under a biological membrane group, air from an aeration pipe in the drainage aeration groove flows along water and along the surface of the biological membrane group or enters the internal of the biological membrane group toward the downstream, and then naturally and upward rise to produce a continuous aeration effect so as to substantially increase a biological membrane group treatment effect, and buoyancy force produced due to bubble rising, hydraulic driving force produced due to flowing of the sewage between the biological membrane group and the bottom of the sewage tank, and solar energy, wind energy and commercial power electricity are conjointly form hybrid power to drive the biological membrane group to operate. With the process, a biological membrane group treatment effect can be substantially increased with continuous aeration, and a biological membrane group operation cost can be substantially reduced with hybrid power design.
Description
Technical field
The present invention relates to a kind of economical hybrid power biomembrane process, belong to technical field of sewage.
Background technology
Along with improving constantly of socioeconomic development and living standards of the people, people also in continuous reinforcement, particularly cause the extensive attention of the whole society to the consciousness of environment protection especially to the protection of water resources.Sewage must could discharge water body through strict processing, become common recognition, and the discharge index after the sewage disposal is also more and more higher.In sewage disposal device, bio membrane process is many because of its biomass, purification rate is high, strong adaptability, effluent quality better, biological food chain length, sludge creation amount be few on the microbial film etc., and distinguishing feature is widely used in middle-size and small-size sewage works.But bio membrane process also has its defective, though one side bio membrane process treatment effect is good but treatment capacity is limited, thereby the sewage work of equal treatment scale, use bio membrane process to compare with using other techniques, because of the place that the microbial film group of needs is more and required larger.On the other hand, increasing of microbial film group quantity means that the required energy consumption of drive membrane group operation is also larger.
Summary of the invention
The object of the invention is to the deficiency for existing biofilms method Technology, improve from two aspects: the one, the treatment effect of raising biomembrance process, make same microbial film group can process more sewage, perhaps, can use the microbial film group of smaller amounts for the sewage of processing as much; The 2nd, by the hybrid power design, reduce the microbial film group and move needed energy consumption.
Technical scheme provided by the present invention is as follows: a kind of economical hybrid power biomembrane process comprises: aerogenerator, wind energy controller, secondary battery, solar photovoltaic assembly, controller for solar, invertor, electrical source exchange case, microbial film group, film assembly cover motor, air compressor machine/air pump, gas-holder, by-pass valve control, aeration tube, drainage aerator tank form.
Usually the microbial film group is when operation, and film group bottom is immersed in the sewage in the sewage lagoon, and the upper exposed of film group is in air, and the surface growth of film group has coenosis.The film group is rotated again and again, and the repeatedly sewage in the contact tank and airborne oxygen make the microbial film absorption that is attached on the film group and the organic pollutant in the biological sewage oxidation, make sewage obtain purification.That is to say, the film group is exposed to the above airborne part microbial film of the sewage water surface and carries out aerobic effect, and the part microbial film that rotates to below the sewage water surface carries out anoxia functions.Like this, usually, carry out aerobic in the microbial film group and volume ratio anoxia functions is about 1: 1.The present invention is for improving the treatment effect of biomembrance process, sewage lagoon bottom below the microbial film group arranges a drainage aerator tank, from the air of aeration tube in the drainage aerator tank when current up rise backward naturally, along the surface of microbial film group or enter on the space of microbial film group inside and rise, produce the natural aeration effect.The aeration that continues makes the ratio of aerobic in the film group volume and anoxia functions from approximately bringing up to approximately 3: 1 at 1: 1, has improved the aerobic effect of microbial film group, and therefore the microbial film group is largely increased to the removal effect of COD in the sewage.
The present invention moves needed energy consumption for reduce the microbial film group as far as possible, adopted the hybrid power design, and process from following three aspects: (1) is by the setting of drainage aerator tank, sewage is flow through between microbial film group and sewage lagoon bottom, produce the effect of hydro powered microbial film group; (2) in the drainage aerator tank in the aeration tube out air along the surface of microbial film group back side and/or internal surface continue the to rise buoyancy that produces form the effect of air actuation microbial film group; (3) the cleaner power sources replacing whole or the part that produce at the same time or separately by wind motor and solar photovoltaic assembly substitute civil power, drive the operation of microbial film assembly cover motor, and this is driven by power microbial film group.Waterpower, Air Force, electric power consist of hybrid power source jointly, make the operation of microbial film group more economical.
Therefore, beneficial effect after the invention process is: on the one hand, treatment effect that can Effective Raise microbial film group, the required microbial film group quantity of same sewage disposal scale is reduced, thereby reduce the initial outlay cost, perhaps, the microbial film group of same quantity can be processed more sewage, makes gain on investments larger; On the other hand, the design of hybrid power can make the running cost of microbial film group significantly reduce.
Description of drawings
1 one kinds of economical hybrid power biomembrane process schematic diagram of accompanying drawing
Wherein, 1-aerogenerator, 2-solar photovoltaic assembly, 3-wind energy controller, 4-secondary battery, 5-controller for solar, the 6-invertor, 7-electrical source exchange case, 8-microbial film group, 9-film assembly cover motor, 10-air compressor machine/air pump, 11-gas-holder, 12-by-pass valve control, the 13-aeration tube, 14-drainage aerator tank.
Some way schematic diagram of accompanying drawing 2 drainage aerator tanks
Embodiment
The present invention relates to a kind of economical hybrid power biomembrane process, as shown in Figure 1, comprising: aerogenerator 1, solar photovoltaic assembly 2, wind energy controller 3, secondary battery 4, controller for solar 5, invertor 6, electrical source exchange case 7, microbial film group 8, film assembly cover motor 9, air compressor machine/air pump 10, gas-holder 11, by-pass valve control 12, aeration tube 13, drainage aerator tank 14 etc.
A kind of economical hybrid power biomembrane process of the present invention, such as accompanying drawing 1, under illumination condition, solar photovoltaic assembly 2 forms the solar-energy photo-voltaic cell square formation and produces certain voltage by series-parallel connection.Power to the load after invertor 6 changes into 220V or 380V alternating-current by controller for solar 5, unnecessary electric weight charges to secondary battery 4, and the electric energy that will be come by transform light energy changes into chemical energy again and is stored up.In the situation that there is not illumination, secondary battery 4 changes into civil power through controller for solar 5 by invertor 6 and chemical energy is discharged powers to the load.
The alternating-current of aerogenerator 1 output, through powering to the load after invertor 6 changes into 220V or 380V alternating-current after 3 rectifications of wind energy controller, unnecessary electric weight charges to secondary battery 4 again.Because of reasons such as wind-force deficiency when out of service, secondary battery 4 changes into civil power through controller for solar 5 by invertor 6 and powers to the load at aerogenerator.
At present the product that wind-powered electricity generation controller and controller for solar unite two into one occurred on the market, principle and foregoing description are similar, all can automatically control discharging and recharging of store battery, prevent from overcharging and overdischarge.
Electrical source exchange case 7 is used for 220V/380V civil power and switching from the solar electric power of invertor/wind energy electric power, in the situation that solar electric power and wind energy electric power all can not safeguards system be powered, switch to mains-supplied, guarantee the normal power supply of system, namely realize the switching of many electric power source.The main current consuming apparatus of this technique has two, and the one, film assembly cover motor 9 is used for the operation of driven by power module; Another is air compressor machine/air pump 10.The compressed-air-storing that air compressor machine/air pump 10 produces is in gas-holder 11, and by the adjusting of by-pass valve control 12, the aeration tube 13 in drainage aerator tank 14 is with 0.2kg/cm
2About pressure microbial film group 8 is continued the treatment effect that aeration improves microbial film group 8; The Bubble formation buoyancy of aeration acts on the outer rim of microbial film group 8, realizes 8 operations of air actuation microbial film group.Under the effect that hybrid power automaticallyes switch, the microbial film group obtains desirable wastewater treatment efficiency with the linear velocity operation of 10～20m/min.
Some ways of drainage aerator tank 14 referring to accompanying drawing 2, can be the circular arc tangent planes, also can be the taper tangent planes.The circular arc tangent plane with film group concentric(al) circles or approximate concentric(al) circles, the corner cut of taper tangent plane is 10 °～60 °.Aeration tube 13 can be installed in the center (such as accompanying drawing 1) of drainage aerator tank 14 inner bottom parts, also can pre-buriedly be installed in the bottom of drainage aerator tank 14.According to the flow velocity of effluent stream, the center of drainage aerator tank 14 generally is positioned at before and after the microbial film group center of circle ± and 0.5R is take (R is as the radius of film group), to guarantee the air operated effect.And the closest range of the outer span drainage aerator tank 14 of film group is advisable with 0.02R～0.2R, in order to keep optimum flow rate, guarantees the hydro powered effect.
Claims (5)
1. the invention discloses a kind of economical hybrid power biomembrane process, it is characterized in that: comprising: aerogenerator, wind energy controller, secondary battery, solar photovoltaic assembly, controller for solar, invertor, electrical source exchange case, microbial film group, film assembly cover motor, air compressor machine/air pump, gas-holder, by-pass valve control, aeration tube, drainage aerator tank form.
2. a kind of economical hybrid power biomembrane process according to claim 1, described microbial film group, sewage lagoon bottom below biological membrane assembly arranges a drainage aerator tank, from the air of aeration tube in the drainage aerator tank when current up rise backward naturally, along the surface of microbial film group or enter on the space of microbial film group inside and rise, produce the natural aeration effect.The aeration that continues makes the ratio of aerobic in the film group volume and anoxia functions from approximately bringing up to approximately 3: 1 at 1: 1, has improved the aerobic effect of microbial film group, and therefore the microbial film group is largely increased to the removal effect of COD in the sewage.
3. a kind of economical hybrid power biomembrane process according to claim 1, described drainage aerator tank can be the circular arc tangent plane, also can be the taper tangent plane.The circular arc tangent plane with film group concentric(al) circles or approximate concentric(al) circles, the corner cut of taper tangent plane is 10 °～60 °.
4. a kind of economical hybrid power biomembrane process according to claim 1, described aeration tube can be installed in the center of drainage aerator tank inner bottom part, also can pre-buriedly be installed in the bottom of drainage aerator tank; According to the flow velocity of effluent stream, the center of drainage aerator tank generally is positioned at before and after the microbial film group center of circle horizontal direction ± and 0.5R is take be advisable (R is as the radius of film group); The closest range of the outer span drainage aerator tank of microbial film group is advisable with 0.02R～0.2R.
5. a kind of economical hybrid power biomembrane process according to claim 2, described generation natural aeration effect, produce the buoyancy of the bubble rising generation of this effect, sewage is from flowing through the hydro powered power of generation between microbial film group and the sewage lagoon bottom, electric power from sun power, wind energy and civil power, common formation hybrid power drives the economical operation of microbial film group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100789530A CN103319001A (en) | 2012-03-23 | 2012-03-23 | Economical hybrid power biological membrane process |
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| CN2012100789530A CN103319001A (en) | 2012-03-23 | 2012-03-23 | Economical hybrid power biological membrane process |
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| CN103319001A true CN103319001A (en) | 2013-09-25 |
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| CN2012100789530A Pending CN103319001A (en) | 2012-03-23 | 2012-03-23 | Economical hybrid power biological membrane process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115448457A (en) * | 2022-08-29 | 2022-12-09 | 中国科学院生态环境研究中心 | Rural domestic sewage treatment system based on farmland irrigation water quality requirement |
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| US3886074A (en) * | 1973-06-15 | 1975-05-27 | Autotrol Corp | Air driven rotating biological contactor apparatus |
| US4093539A (en) * | 1976-05-12 | 1978-06-06 | Autotrol Corporation | Activated sludge treatment of wastewater |
| US5779885A (en) * | 1990-06-11 | 1998-07-14 | Aquaria, Inc. | Rotating biological filter system |
| CN1590316A (en) * | 2003-09-05 | 2005-03-09 | 中国科学技术大学 | Biological rotary disk device having filtration cavity |
| CN101570380A (en) * | 2009-06-11 | 2009-11-04 | 德威华泰（北京）科技有限公司 | Combined sewage treatment device |
| CN101786678A (en) * | 2010-02-03 | 2010-07-28 | 天津城市建设学院 | Sewage and wastewater treatment system by utilizing natural energy including wind energy, solar energy and cold energy |
| CN101830566A (en) * | 2010-03-15 | 2010-09-15 | 王俊川 | Method and device for restoring ecology |
| CN201629692U (en) * | 2010-02-05 | 2010-11-10 | 刘晓文 | Domestic energy-saving power supply system for solar, tap water hydraulic, wind hybrid concentrated power supply |
| CN101935134A (en) * | 2010-07-21 | 2011-01-05 | 北京桑德环保集团有限公司 | Biological rotating disk sewage treatment equipment |
| CN201844352U (en) * | 2010-10-15 | 2011-05-25 | 江西开昂新能源科技有限公司 | Streetlight system with solar energy and wind energy off-grid centralized power supply |
-
2012
- 2012-03-23 CN CN2012100789530A patent/CN103319001A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886074A (en) * | 1973-06-15 | 1975-05-27 | Autotrol Corp | Air driven rotating biological contactor apparatus |
| US4093539A (en) * | 1976-05-12 | 1978-06-06 | Autotrol Corporation | Activated sludge treatment of wastewater |
| US5779885A (en) * | 1990-06-11 | 1998-07-14 | Aquaria, Inc. | Rotating biological filter system |
| CN1590316A (en) * | 2003-09-05 | 2005-03-09 | 中国科学技术大学 | Biological rotary disk device having filtration cavity |
| CN101570380A (en) * | 2009-06-11 | 2009-11-04 | 德威华泰（北京）科技有限公司 | Combined sewage treatment device |
| CN101786678A (en) * | 2010-02-03 | 2010-07-28 | 天津城市建设学院 | Sewage and wastewater treatment system by utilizing natural energy including wind energy, solar energy and cold energy |
| CN201629692U (en) * | 2010-02-05 | 2010-11-10 | 刘晓文 | Domestic energy-saving power supply system for solar, tap water hydraulic, wind hybrid concentrated power supply |
| CN101830566A (en) * | 2010-03-15 | 2010-09-15 | 王俊川 | Method and device for restoring ecology |
| CN101935134A (en) * | 2010-07-21 | 2011-01-05 | 北京桑德环保集团有限公司 | Biological rotating disk sewage treatment equipment |
| CN201844352U (en) * | 2010-10-15 | 2011-05-25 | 江西开昂新能源科技有限公司 | Streetlight system with solar energy and wind energy off-grid centralized power supply |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115448457A (en) * | 2022-08-29 | 2022-12-09 | 中国科学院生态环境研究中心 | Rural domestic sewage treatment system based on farmland irrigation water quality requirement |
| CN115448457B (en) * | 2022-08-29 | 2023-09-08 | 中国科学院生态环境研究中心 | Rural domestic sewage treatment system based on farmland irrigation water quality requirement |
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Application publication date: 20130925 |