CN109956613A - Reach the domestic sewage processing system and method for surface water three classes water quality standard - Google Patents
Reach the domestic sewage processing system and method for surface water three classes water quality standard Download PDFInfo
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- CN109956613A CN109956613A CN201711337487.2A CN201711337487A CN109956613A CN 109956613 A CN109956613 A CN 109956613A CN 201711337487 A CN201711337487 A CN 201711337487A CN 109956613 A CN109956613 A CN 109956613A
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- quality standard
- domestic sewage
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000010865 sewage Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002352 surface water Substances 0.000 title claims abstract description 21
- 238000011282 treatment Methods 0.000 claims abstract description 49
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 35
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims abstract description 25
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 17
- 230000001651 autotrophic effect Effects 0.000 claims abstract description 15
- 230000015556 catabolic process Effects 0.000 claims abstract description 11
- 238000006731 degradation reaction Methods 0.000 claims abstract description 11
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 6
- 229920002521 macromolecule Polymers 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 239000010802 sludge Substances 0.000 claims description 16
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 14
- 239000002351 wastewater Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 230000003750 conditioning effect Effects 0.000 claims description 10
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 239000005864 Sulphur Substances 0.000 claims description 8
- 239000010813 municipal solid waste Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000010791 domestic waste Substances 0.000 claims description 6
- 238000004056 waste incineration Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 238000010564 aerobic fermentation Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000010806 kitchen waste Substances 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 230000000593 degrading effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 244000005700 microbiome Species 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005660 chlorination reaction Methods 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012510 hollow fiber Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000223935 Cryptosporidium Species 0.000 description 2
- 241000224467 Giardia intestinalis Species 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 229940085435 giardia lamblia Drugs 0.000 description 2
- 230000000415 inactivating effect Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000006385 ozonation reaction Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- -1 treated Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
- C02F2003/003—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms using activated carbon or the like
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention proposes a kind of domestic sewage processing system and method for reaching surface water three classes water quality standard, comprising: pretreatment, biochemical treatment, advanced treating and disinfection treatment；Ceramics MBR film is handled in the biochemical treatment, intercepts suspended matter；It selects sulphur iron autotrophic denitrification filter tank to carry out denitrogenation processing, and Ceramics ultrafiltration membrane and reverse osmosis membrane in the advanced treating, intercepts the larger molecular organics and other macromolecular compounds for failing degradation.Treated, and water outlet can reach surface water three classes water quality standard.
Description
Technical field
The present invention relates to sanitary sewage disposal technologies, more particularly to treated water outlet can reach surface water three classes water
The sanitary sewage disposal technology of standard.
Background technique
Existing domestic sewage treatment process is varied, mainly by pretreatment section, biochemical treatment section, advanced treating section
With disinfection treatment section composition.Pretreatment stage mainly has the processes such as oil separator, coarse rack, fine fack and conditioning tank；Biochemical treatment
Section mainly has AAO (Anaerobic-Anoxic-Oxic, anaerobic- anoxic- oxic), SBR (Sequencing Batch
Reactor Activated Sludge Process, sequencing batch reactor), oxidation ditch, biological aerated filter, life
The techniques such as object turntable, biological contact oxidation process；Advanced treating section has a denitrification filter pool, biological carbon and phosphorous removal method, coagulant sedimentation,
Sand filtration method, active carbon adsorption etc..Disinfection treatment section has disinfection by ultraviolet light, chlorination, ozonization etc..
MBR film (Membrane Bio-Reactor, membrane biological reaction are used in biochemical treatment section and advanced treating Duan Junhui
Device).MBR film it is many kinds of, classify by separating mechanism, there is reaction film, amberplex, permeable membrane etc.；Press the property of film
Qualitative classification has natural membranes (biomembrane) and synthesis film (organic film and inoranic membrane)；Press film structural shape classification, have it is plate,
Cast, screw type and hollow fiber type.Wherein, hollow fiber type is its main Types.
There are many defects using hollow fiber form MBR film: frequent backwash, medicine is washed, film fracture of wire is to MBR film
Producing water ratio, replacement frequency, operating cost are affected.The denitrification process of advanced treating is filtered using denitrification filter pool, denitrogenation V-type
Pond, highly dense pond etc., denitrogenation need a large amount of carbon source as electron donor, and operating cost is also higher.
Disinfection by ultraviolet light replaces the disadvantages of frequency is high there are photoreactivation phenomenon, without continuous disinfection ability, ultraviolet light；Chlorine
The disadvantages of disinfection presence can generate a large amount of disinfection by-products, larger to injury of human；Ozonization there are ozone higher cost,
Unstable, the disadvantages of continuous disinfection effect is weak.
By the combination of various process routes, the defect of existing processing is: effluent quality cannot completely be guaranteed,
It only can achieve the level-one A standard in " urban wastewater treatment firm pollutant comprehensive discharge standard (GB18918-2002) ", compare
" water environment quality standard ", treated, and water outlet is still " bad five class " water body, to surface water environment sensitive area after discharge
It is affected.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, proposing that one kind reaches surface water
The domestic sewage processing system and method for three classes water quality standard, treated, and water outlet can reach surface water three classes water quality standard.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of domestic sewage processing system, comprising:
Pretreatment unit, main biochemical treatment unit, advanced treatment unit and disinfection treatment unit；The main biochemical treatment unit includes ceramics
MBR film intercepts suspended matter for being filtered processing；The advanced treatment unit includes sulphur iron autotrophic denitrification filter tank, for into
Row denitrogenation processing；The advanced treatment unit further includes ceramic super-filtering film and reverse osmosis membrane, for intercepting the macromolecular for failing degradation
Organic matter and other macromolecular compounds.
The technical solution adopted by the present invention to solve the technical problems is still: proposing a kind of domestic sewage processing method, wraps
It includes: pretreatment, biochemical treatment, advanced treating and disinfection treatment；The main biochemical treatment unit includes ceramics MBR film, for carrying out
Filtration treatment intercepts suspended matter；The advanced treatment unit includes sulphur iron autotrophic denitrification filter tank, for carrying out denitrogenation processing；It should
Advanced treatment unit further includes ceramic super-filtering film and reverse osmosis membrane, fails the larger molecular organics of degradation and other are big for intercepting
Molecular compound.
The beneficial effects of the present invention are be filtered processing by dexterously Ceramics MBR film, select sulphur iron autotrophy
Denitrification filter pool carries out denitrogenation processing and Ceramics ultrafiltration membrane and reverse osmosis membrane come for intercepting the macromolecular for failing degradation
Organic matter and other macromolecular compounds, treated, and water outlet can reach surface water three classes water quality standard.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the principle structure of the domestic sewage processing system and method for reaching surface water three classes water quality standard of the invention
Signal.
Wherein, main appended drawing reference is described as follows: 100 domestic sewage processing system, 1 oil separator, 2 conditioning tank, 3 anaerobic pond 4 lacks
5 aerobic tank of oxygen pond (built-in ceramic MBR film) 51 air blowers 52 fold 53 kitchen garbage aerobic fermentation device of spiral shell formula dewaterer, 54 low temperature
Condense 55 domestic waste incineration of desiccation machine, 6 sulphur iron autotrophic denitrification filter tank, 7 ozone oxidation pond, 71 ozone generator, 72 oxygenerator 8
9 ceramic super-filtering film of bioactivity carbon filter, 10 reverse osmosis membrane, 11 apparatus for ultraviolet disinfection 12 surmounts pipe 13NaClO contact chamber
131NaClO generator.
Specific embodiment
Now in conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
Referring to Fig. 1, Fig. 1 is the original of the domestic sewage processing system and method for reaching surface water three classes water quality standard of the invention
Rational structure signal.The present invention proposes a kind of domestic sewage processing system 100, can be suitable for city domestic sewage, rural area dirt
The processing of water and dispersant type domestic wastewater, especially suitable for water environment sensitivity and water-deficient area.
Domestic sewage processing system 100 of the invention specifically includes that oil separator 1, conditioning tank 2, anaerobic pond 3, anoxic pond 4,
Aerobic tank (built-in ceramic MBR film) 5, sulphur iron autotrophic denitrification filter tank 6, ozone oxidation pond 7, bioactivity carbon filter 8, ceramics are super
Filter membrane 9, reverse osmosis membrane 10, apparatus for ultraviolet disinfection 11 and NaClO contact chamber 13.
It is understood that oil separator 1 and conditioning tank 2 constitute the pretreatment unit of a sewage；Anaerobic pond 3, anoxic pond 4
The main biochemical treatment unit of a sewage is constituted with aerobic tank (built-in ceramic MBR film) 5；Sulphur iron autotrophic denitrification filter tank 6, ozone
Oxidation pond 7, bioactivity carbon filter 8, ceramic super-filtering film 9 and reverse osmosis membrane 10 constitute the advanced treatment unit of a sewage；It is purple
Outside line chlorination equipment 11 and NaClO contact chamber 13 constitute a disinfection treatment unit of sewage.
Domestic sewage processing system 100 of the invention further include: air blower 51 is mended for providing air B1 to aerobic tank 5
Oxygenation；Folded spiral shell formula dewaterer 52, the excess sludge A54 for aerobic tank 5 to be discharged are carried out dehydrating；And kitchen garbage is good
Aerobe fermentation device 53, for after dehydration sludge A522 and kitchen garbage carry out fermentation process jointly.
As a kind of selection, domestic sewage processing system 100 of the invention may also include cryogenic condensation desiccation machine 54, be used for
Further drying and other treatment is carried out to the sludge A522 after dehydration；And domestic waste incineration 55, for further doing
Change treated sludge A542 and carries out burning disposal.
It is understood that folded spiral shell formula dewaterer 52, kitchen garbage aerobic fermentation device 53,54 and of cryogenic condensation desiccation machine
Domestic waste incineration 55 constitutes an excess sludge processing unit.
Domestic sewage processing system 100 of the invention further include: ozone generator 71, for being provided for ozone oxidation pond 7
Ozone B2；And oxygenerator 72, for providing oxygen B22 for ozone generator 71.
Domestic sewage processing system 100 of the invention further include: surmount pipe 12, for treated by ceramic super-filtering film 9
Water outlet, is directly sent to apparatus for ultraviolet light treamtent 11, surmounts the processing of reverse osmosis membrane 10.
Domestic sewage processing system 100 of the invention further include: NaClO generator 131, for being mentioned for NaClO contact chamber
For NaClO (Sodium Hypochlorite, bleaching water) B3.
The working principle of domestic sewage processing system 100 of the invention generally comprises:
1, firstly, by oil separator 1, oil removal processing is carried out to kitchen waste water A01, waste water A that treated 1 is given birth to other again
Sewage A02 living skims floating blocky rubbish and hair etc. together, by grid maker (not shown), subsequently into conditioning tank 2.Grid
The rubbish skimmed can be sent to burning/landfill disposal.
2, in view of day draining when change greatly, the present invention selects buried conditioning tank, plays regulating pondage, uniform water
The effect of matter, so that domestic sewage processing system 100 of the invention can be with continuous and steady operation.After being handled through conditioning tank 2
Waste water A 2, be sent to main biochemical treatment unit and be further processed.
3, main biochemical treatment unit is using conventional AAO technique.It is given up specifically, waste water A 2 is handled through anaerobic pond 3
Water A3.Waste water A 3 handles through anoxic pond 4 and obtains waste water A 4.Waste water A 4 handles through aerobic tank 5 and obtains waste water A 5.In addition, anoxic pond 4
The mixed liquor A 42 of generation is transmitted back to anaerobic pond 3.The mixed liquor A 52 that aerobic tank 5 generates is sent to anoxic pond 4.What aerobic tank 5 generated
Excess sludge A54 send folded spiral shell formula dewaterer 52.Waste water A 5 is sent to advanced treatment unit and is further processed.
It is noted that present invention eliminates conventional sedimentation basins in order to reduce land area.The present invention uses MBR
It is discharged after the filtering of film (not shown), the sludge of biochemistry pool (i.e. anaerobic pond 3- anoxic pond 4- aerobic tank 5) is maintained into higher concentration,
Sewage treating efficiency is set to be maintained at higher level.In the present invention, MBR film Ceramics MBR film, can be to avoid doughnut
The fracture of wire of MBR film, frequently backwash and medicine such as wash at the drawbacks.The water outlet of MBR film is waste water A 5.
4, in advanced treatment unit, due to still having the higher nitrate nitrogen of content, the filter of sulphur iron autotrophic denitrification in waste water A 5
Pond 6 can use sulphur autotrophic denitrification microorganism and be restored using element sulphur as electron donor by electron acceptor of nitrate nitrogen
For nitrogen, denitrification denitrogenation is realized.Such sulphur autotrophic denitrification microorganism is without adding carbon source.
5, in advanced treatment unit, the hardly degraded organic substance contained in waste water A 5, by utilizing ozone oxidation pond 7 to sulphur
The water outlet A6 in iron autotrophic denitrification filter tank 6 carries out ozone treatment, also, using bioactivity carbon filter 8 to ozone oxidation pond 7
It is discharged A7 and carries out biological activated carbon processing, it can be by COD (Chemical Oxygen Demand, the chemical oxygen demand in waste water A 5
Amount) further oxidation, degradation, guarantee the stabilization, up to standard of water outlet.The counter-flushing liquid A62 and biology in sulphur iron autotrophic denitrification filter tank 6
The counter-flushing liquid A82 of activated carbon filter 8 is back to 3 water inlet end circular treatment of anaerobic pond, passes through spoil disposal gradually discharge system.
6, in advanced treatment unit, in the water outlet A8 by intercepting biological activated carbon filter 8 using ceramic super-filtering film 9
The suspended matters such as microorganism residuum and the larger molecular organics for failing degradation further intercept Ceramic excessive filtration by reverse osmosis membrane 10
The suspended matters such as the microorganism residuum in the water outlet A9 of film 9 and the larger molecular organics for failing degradation, it is ensured that subsequent disinfection
Effect is conducive to control disinfection agent dose to reduce the generation of disinfection by-products as far as possible.
The concentrate A102 that generates is difficult to dispose after filtering in view of reverse osmosis membrane 10, if sent in a manner of reflux for a long time to
Conditioning tank 2 can influence the biochemical system effect of conditioning tank 2 because of salt accumulation.Therefore, within the most of the time, reverse osmosis membrane 10
It can directly be surmounted namely the water outlet A9 of ceramic super-filtering film 9 is directly sent to disinfection treatment unit via surmounting pipe 12.Reverse osmosis membrane
10 only water outlet A9 in, fail degradation larger molecular organics it is more cause be discharged COD, BOD (biochemical oxygen
Demand, biochemical oxygen demand (BOD)) when being difficult to up to standard, just selectively enabled.Ultrafiltration membrane counter-flushing liquid A92 is back to anaerobic pond
3 water inlet end circular treatments, and pass through spoil disposal gradually discharge system.
7, in disinfection treatment unit, using 13 couples of water outlet A9 of apparatus for ultraviolet disinfection 11 and NaClO contact chamber and/or
A10 carries out disinfection processing.The water outlet A13 of NaClO contact chamber 13 can qualified discharge.The water outlet A132 of NaClO contact chamber 13
It can also be with reuse.Water outlet A13, A132 water quality indicator after present invention disinfection can achieve " water environment quality standard " three classes
Water quality standard.
It is noted that disinfection by ultraviolet light cleaning it is without secondary pollution, and to chlorination have tolerance Cryptosporidium and
Giardia lamblia has good inactivating efficacy.In addition, water outlet A9 and/or A10 light transmittance is very high, it is very suitable to disappear using ultraviolet light
Poison.Apparatus for ultraviolet disinfection 11 of the invention selects microwave non-electrode ultraviolet equipment, can cause to avoid due to ageing of electrode
Output attenuatoin, impact effect and frequently replace ultraviolet lamp tube.
8, the sludge that domestic sewage processing system 100 of the invention generates is arranged by aerobic tank 5 (it is the pond MBR) interval
Out, it is dehydrated by small-sized folded spiral shell formula dewaterer 52, the mud cake A522 that moisture content is down to 80% or so is formed, using kitchen garbage
After aerobic fermentation device 53 carries out aerobic sigestion, the formation moisture content of cryogenic condensation desiccation machine 54 can be sent into and be down to 30% or so
Then sludge A542 uses domestic waste incineration 55, burns together with house refuse.Alternatively, mud cake A524 can directly be sent
Enter cryogenic condensation desiccation machine 54 and form the sludge A542 that moisture content is down to 30% or so, then uses domestic waste incineration 55,
It is burned together with house refuse
The beneficial effects of the present invention are: 1, effluent quality standard high, reduces the influence to water environment sensitizing range.2,
The drawbacks of MBR film uses ceramics MBR film, can wash to avoid the fracture of wire of doughnut MBR film, frequent backwash, medicine.3, sulphur is utilized
Sulphur autotrophic denitrification microorganism in iron autotrophic denitrification filter tank realizes denitrification denitrogenation, without adding carbon source.4, MBR film goes out
The hardly degraded organic substance contained in water is handled using ozone+biological activated carbon, MBR film can be discharged in COD into one
Step oxidation, degradation, guarantee the stabilization, up to standard of water outlet.5, ultrafiltration membrane and reverse osmosis membrane are as in interception activated carbon filter water outlet
The suspended matters such as microorganism residuum and the barrier for failing the larger molecular organics degraded, while to guarantee subsequent Disinfection Effect, and
Dosage is controlled to reduce the generation of disinfection by-products as far as possible.6, disinfection by ultraviolet light cleaning is without secondary pollution, and has to chlorination
The Cryptosporidium of tolerance and giardia lamblia have good inactivating efficacy, and ultrafiltration membrane or reverse osmosis membrane water outlet light transmittance are very high, non-
Often it is suitble to use disinfection by ultraviolet light.Microwave non-electrode ultraviolet equipment is selected, avoids causing output attenuatoin due to ageing of electrode, shadow
It rings effect and frequently replaces ultraviolet lamp tube.7, the sludge that system generates is discharged by aerobic tank interval, then de- by small-sized folded spiral shell
Water dispenser be dehydrated to moisture content be down to 80% or so progress aerobic sigestion after, moisture content is down to 30% into cryogenic condensation desiccation machine
It is burned together with house refuse left and right.
It should be understood that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, to ability
It for field technique personnel, can modify to technical solution illustrated in the above embodiments, or special to part of technology
Sign is equivalently replaced；And these modifications and replacement, it should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of domestic sewage processing system and method for reaching surface water three classes water quality standard, comprising: pretreatment unit, main biochemistry
Processing unit, advanced treatment unit and disinfection treatment unit；It is characterized in that, the main biochemical treatment unit includes ceramics MBR film,
For being filtered processing, suspended matter is intercepted；The advanced treatment unit includes sulphur iron autotrophic denitrification filter tank, for carrying out denitrogenation
Processing；The advanced treatment unit further includes ceramic super-filtering film and reverse osmosis membrane, for intercepting the larger molecular organics for failing degradation
With other macromolecular compounds.
2. the domestic sewage processing system and method according to claim 1 for reaching surface water three classes water quality standard, feature
Be: the advanced treatment unit further includes ozone oxidation pond and bioactivity carbon filter, for the chemical oxygen demand in degrading waste water
Amount.
3. the domestic sewage processing system and method according to claim 1 for reaching surface water three classes water quality standard, feature
Be: the disinfection treatment unit includes apparatus for ultraviolet disinfection and NaClO contact chamber, for carrying out at ultraviolet light chlorine combined disinfection
Reason.
4. the domestic sewage processing system and method according to claim 3 for reaching surface water three classes water quality standard, feature
Be: the apparatus for ultraviolet disinfection selects microwave non-electrode ultraviolet equipment.
5. the domestic sewage processing system and method according to claim 1 for reaching surface water three classes water quality standard, feature
Be: the reverse osmosis membrane selectively comes into operation, and the water outlet of the ceramic super-filtering film is by surmounting at the direct-connected disinfection of pipe
Manage unit.
6. the domestic sewage processing system and method according to claim 1 for reaching surface water three classes water quality standard, feature
Be: the main biochemical treatment unit includes anaerobic pond, anoxic pond and aerobic tank；The counter-flushing liquid loopback of the advanced treatment unit should
Anaerobic pond.
7. the domestic sewage processing system and method according to claim 1 for reaching surface water three classes water quality standard, feature
Be: the pretreatment unit includes oil separator, for carrying out oil removal processing to kitchen waste water；And conditioning tank, for the oil removal
The water outlet in pond and other sanitary wastewaters are handled.
8. the domestic sewage processing system according to any one of claims 1 to 7 for reaching surface water three classes water quality standard and side
Method, it is characterised in that: further include excess sludge processing unit, the excess sludge for the main biochemical treatment unit to be discharged carries out
Processing, the excess sludge processing unit include folded spiral shell formula dewaterer and kitchen garbage aerobic fermentation device.
9. the domestic sewage processing system and method according to claim 8 for reaching surface water three classes water quality standard, feature
Be: the excess sludge processing unit further includes cryogenic condensation desiccation machine and domestic waste incineration.
10. a kind of domestic sewage processing system and method for reaching surface water three classes water quality standard, comprising: pretreatment, biochemical treatment,
Advanced treating and disinfection treatment；It is characterized in that, Ceramics MBR film is filtered processing in the biochemical treatment, intercept outstanding
Floating object；Sulphur iron autotrophic denitrification filter tank is selected to carry out denitrogenation processing, and Ceramics ultrafiltration membrane and reverse osmosis in the advanced treating
Permeable membrane intercepts the larger molecular organics and other macromolecular compounds for failing degradation.
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