CN106396297A - Sewage treatment method and system - Google Patents
Sewage treatment method and system Download PDFInfo
- Publication number
- CN106396297A CN106396297A CN201611111261.6A CN201611111261A CN106396297A CN 106396297 A CN106396297 A CN 106396297A CN 201611111261 A CN201611111261 A CN 201611111261A CN 106396297 A CN106396297 A CN 106396297A
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- sewage
- pond
- reaction tank
- aerobic
- hypoxia response
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- 239000010865 sewage Substances 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 67
- 239000010802 sludge Substances 0.000 claims abstract description 33
- 238000005189 flocculation Methods 0.000 claims abstract description 24
- 230000016615 flocculation Effects 0.000 claims abstract description 24
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 16
- 231100000719 pollutant Toxicity 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000007667 floating Methods 0.000 claims abstract description 7
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000001556 precipitation Methods 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract 2
- 206010021143 Hypoxia Diseases 0.000 claims description 77
- 230000007954 hypoxia Effects 0.000 claims description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 238000005276 aerator Methods 0.000 claims description 32
- 238000005842 biochemical reaction Methods 0.000 claims description 28
- 238000005273 aeration Methods 0.000 claims description 22
- 210000005056 cell body Anatomy 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 13
- 206010002660 Anoxia Diseases 0.000 claims description 12
- 241000976983 Anoxia Species 0.000 claims description 12
- 230000007953 anoxia Effects 0.000 claims description 12
- 230000001112 coagulating effect Effects 0.000 claims description 10
- 230000012010 growth Effects 0.000 claims description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000005345 coagulation Methods 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 6
- 230000000873 masking effect Effects 0.000 claims description 5
- 235000015097 nutrients Nutrition 0.000 claims description 5
- 239000000356 contaminant Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000813 microbial effect Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims 1
- 244000005700 microbiome Species 0.000 abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 2
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000002203 pretreatment Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002351 wastewater Substances 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F2101/105—Phosphorus compounds
-
- 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
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower or fuel cells
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F2303/02—Odour removal or prevention of malodour
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
-
- 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
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)
- Activated Sludge Processes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a sewage treatment method. The sewage treatment method comprises the following steps: S01, pre-treating sewage: enabling the sewage to pass through a first-grade pre-treatment system to remove floating matters and suspension matters; S02, introducing the sewage treated by the step S01 into a second-grade reaction system, and enabling the sewage to pass an anaerobic section and an aerobic section in sequence; degrading organic matters in the sewage and removing main pollutants in the sewage through utilizing microorganisms attached on surfaces of emergent aquatic plants and artificial fillers; S03, introducing the sewage treated by the step S02 into a third-grade advanced treatment system, and carrying out flocculation, precipitation, filtration and disinfection deep treatment on the sewage to reach emission or recycling standards. The invention further discloses a sewage treatment system. By adopting the method and the system, provided by the invention, the occupied area of a sewage treatment device can be reduced, the odorous pollution of a sewage treatment plant is reduced; the yield of sludge can also be reduced and the sludge treatment and disposal difficulty is reduced; particularly, the method and the system can meet the conditions in low-temprature regions.
Description
Technical field
The present invention relates to a kind of sewage water treatment method and system, belong to sewage treatment area.
Background technology
At present, domestic and international city domestic sewage and industrial organic sewage are processed, and widely used anaerobic- anoxic- oxic is processed
Method, also known as activated sludge process.This method will discharge a large amount of activated sludge, brings the active sludge treatment problem of large amount of complex.
Because activated sludge is active, biodegradation difficulty is big, and organic removal rate is very low, and expense is expensive, also can bring secondary dirt
Dye；And traditional wastewater treatment plant has several significant defects：(1) floor space is greatly and unsightly -- large-scale production capacity concentrated water
Mud groups of building.(2) abnormal smells from the patient is big -- mostly uncovered, Treatment of Sludge and pretreatment facility dispersion arrangement.(3) convey hardly possible -- away from city
Area, a large amount of pipe networks, pumping plant are used for sewage and recycled water conveying.Additionally, for improving the adaptability to environment for the sewage disposal system, needing
Sewage disposal system to be studied seasons oneself to cold the method for environment.
To sum up, need to study that a kind of floor space is little, odorlessness, power consumption is low, be readily biodegradable, pollutants removal rate is high
And it is suitable for the sewage water treatment method of cold environment.
Content of the invention
It is an object of the invention to, a kind of sewage water treatment method and system are provided, dirt can be reduced using the method for the present invention
The floor space of water treatment facilities, reduce the pollution of sewage treatment plant stink, power consumption is low, be readily biodegradable, and pollute in waste water
Thing clearance is high；Sludge yield also can be reduced, reduce Treatment of Sludge and dispose difficulty.Present invention also offers one kind realize aforementioned
The system of sewage water treatment method.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of sewage water treatment method, including following
Step：
S01：Pretreating sewage, by sewage through one-level pretreatment system, to remove floating thing and float；
S02：Sewage after processing through step S01 is passed through secondary response system, successively through anoxia section and aerobic section, makes dirt
Water secondary response system mean residence time be 8～14 hours, anoxia section and aerobic section be all equipped with emergent aquactic plant and
Hand-stuff, thus using the major pollutants in the microbial degradation sewage being attached to emergent aquactic plant and hand-stuff surface；
Using nutrient substance such as the nitrogen in the growth absorption sewage of emergent aquactic plant itself and phosphorus, strengthen pollutant removal.Mainly dirty
Dye thing is Organic substance, the nutrient substance such as nitrogen phosphorus, poisonous and harmful microorganism, inorganic matters etc..
By setting sunlight shed above reaction tank it is ensured that the normal operation in the winter time of sewage disposal system and plant.
Anoxia section is back to by the water part of aerobic section, to strengthen wastewater treatment efficiency；
Biochemical reaction tank water outlet, through coagulation, flocculation, precipitation and filtration treatment, completes the removal of major pollutants in water；
S03：By through step S02 process after sewage disinfect through depth, remove residual contaminants with reach discharge or
The standard recycling.
In aforesaid this sewage water treatment method, it is 100%～200% by the return current ratio of the mixed liquid of aerobic section, to protect
The strengthening effect of card sewage disposal.
A kind of sewage disposal system, including pretreatment unit, biochemical reaction device, depth decontaminating apparatuss and Treatment of Sludge dress
Put, pretreatment unit is connected with biochemical reaction device, biochemical reaction device respectively with sludge treatment equipment and depth decontaminating apparatuss
Connect, biochemical reaction device includes hypoxia response pond, aerobic reaction tank, coagulating basin, flocculation basin, second pond, filter tank, aeration system
System, hypoxia response pond is connected with adjacent aerobic reaction tank, and hypoxia response pond is connected with pretreatment unit by water inlet pipe, aerobic
Reaction tank is connected with coagulating basin, flocculation basin successively by water-supply-pipe, and flocculation basin is connected with second pond, and second pond is connected with filter tank,
Filter tank is connected with depth decontaminating apparatuss, and hypoxia response pond, aerobic reaction tank are all connected with aerating system.
The filtration treatment by pretreatment unit for the pending sewage, obvious floating thing and suspension in removable sewage
Thing, by the hypoxia response pond of biochemical reaction device and the biochemical treatment of aerobic reaction tank, the Organic substance in degradable sewage, and
Remove substantial amounts of nitrogen and phosphorus；Water disinfection after depth decontaminating apparatuss are to biochemical treatment, with reach discharge standard or
The standard that person recycles；The source of the gas that the aerator of aerating system is provided by aerator is to hypoxia response pond and aerobic reaction
Oxygen is provided, aerator also includes aeration head, and aeration head is installed in hypoxia response pond and aerobic reaction tank, aeration head in pond
Quantity and compound mode determined according to the demand of hypoxia response pond and the dissolved oxygen amount of aerobic reaction tank.
Sewage after processing through biochemical reaction device, by the flocculation of second pond, depositing technology, the mud isolated is led to
Cross and outside sludge treatment equipment, drain into subsequent treatment process；Sewage detached with mud then carries out filtration treatment by filter tank, passes through
Outer row or recovery after the sterilization of depth decontaminating apparatuss.It is separately added into coagulant in coagulating basin and flocculation basin and flocculant carries out chemistry and removes
Phosphorus.
In aforesaid this sewage disposal system, described hypoxia response pond and aerobic reaction tank all include cover plate and cell body,
Cell body includes aeration layer, packing layer and floral region, is additionally provided with field planting basket in cell body.The effective depth of this cell body be 4.5 meters～
5.5 meters, in each hypoxia response pond and aerobic reaction tank, be arranged with emergent aquactic plant, and by the field planting basket of setting in cell body Lai
The root system of fixing emergent aquactic plant, built with hydrophobicity, adsorptivity hollow biological ceramic particle, biological ceramic particle can play fixation and endure field planting basket
The effect of water plant.In addition be installed in haydite in field planting basket can also absorbing and deodorizing, and carry as the attachment of microorganism in water body
Body, increases biological concentration.
In aforesaid this sewage disposal system, described aerating system includes aerator and aerator, aerator with
Aerator connects, and aerator is connected with hypoxia response pond and aerobic reaction tank.Aerator includes aeration head and jet pump, exposes
The gas head and jet pump aeration layer positioned at hypoxia response pond and the cell body of aerobic reaction tank.
In aforesaid this sewage disposal system, described aerobic reaction tank is connected with hypoxia response pond also by return duct.
The aerobic reaction tank being arranged at tail end is connected by return duct with the hypoxia response pond being arranged at head end, makes by aerobic reaction tank
Water part be back in hypoxia response pond, with enhanced sewage treatment effect.
In aforesaid this sewage disposal system, aerator that described hypoxia response pond connects be gross porosity aeration mode or
Jet-flow aeration mode, the aerator that aerobic reaction tank connects is micro-pore aeration mode；The number in hypoxia response pond is 2 or 3,
And multiple hypoxia response pond is sequentially connected；The number of aerobic reaction tank is 3 or 4 or 5, and multiple aerobic reaction tank connects successively
Connect.
In aforesaid this sewage disposal system, described second pond is connected with sludge treatment equipment, through sludge treatment equipment
Sludge landfill after process or recycling.
In aforesaid this sewage disposal system, also include discharge bay, discharge bay is connected with depth decontaminating apparatuss.
In aforesaid this sewage disposal system, also include sunlight shed system, sunlight shed system be provided with sunlight shed skeleton,
Ventilating system, insulation heating system, masking valance system, middle water sprinkler system and photovoltaic system, middle water sprinkler system and water outlet
Pond connects.
Photovoltaic system generated electricity can be used for itself electricity consumption of sunlight shed system it can also be used to ventilating system, insulation heating system,
Middle water sprinkler system.Used by middle water sprinkler system, middle water comes from the final outflow water of sewage disposal system, is sterilized by depth and fills
Reach after putting process and be fed directly to middle water sprinkler system using the water of standard through discharge bay；Using sunlight shed system, Ke Yiqiang
Change wastewater treatment efficiency, the ambient temperature of sewage disposal system can be controlled, to ensure sewage disposal system in temperature relatively simultaneously
Low country also disclosure satisfy that the growing environment of emergent aquactic plant requires, and particularly can protect under the cold environment in north of China winter
Holding the activity of the microorganism of attachment in emergent aquactic plant and hand-stuff, maintaining its degradation effect, thus being conducive to present system
Promotion and application.
Compared with prior art, the present invention has following technological merit：
1 passes through contact oxidation method and the combination of plants landscape, the shortcoming that both can overcome conventional treatment method, reduces and takes up an area
Area, enables conventional contacts oxidizing process and the mutual supplement with each other's advantages of plants landscape again, obtains low energy consumption, " garden type " of stability and high efficiency
Sewage treatment technique.
The biological concentration of 2 traditional activated sludge processes is low, and by the present invention in that microorganism is in secondary biochemical reaction unit
Hand-stuff and emergent aquactic plant root system on apposition growth, can make that biological concentration is conventional activated sludge method 3～4 times, can have
Effect saves sewage treatment plant's floor space, reduces land expropriation cost and puts into, increases economic efficiency.
3 pass through after pretreating sewage adopt hypoxia response pond and aerobic reaction tank, degraded sewage in pollutant, and
Nitrogen in removing sewage, phosphorus substance, reduce the yield of mud, reduce difficulty and the handling of sludge treatment technique accordingly
With；
4 pass through sunlight shed system be equipped with so that whole system is when ambient temperature is relatively low, particularly China north
Disclosure satisfy that plant growth environment requirement under square cold environment and keep the activity of biochemical system, maintain its degradation effect, obtain
Good operation conditions.
5 by the introducing of photovoltaic system, in the case of not increasing occupation of land, makes full use of space and solar energy resources,
Obtain cleaning electric energy, use for its own system, reduce the energy consumption of total system.
Brief description
Fig. 1 is the structural representation of an embodiment of the present invention.
Reference：1- pretreatment unit, 2- biochemical reaction device, 3- depth decontaminating apparatuss, 4- hypoxia response pond, 5- is good
Oxygen reaction tank, 6- water inlet pipe, 7- water-supply-pipe, 8- cover plate, 9- cell body, 10- aeration layer, 11- packing layer, 12- field planting basket, 13- bis-
Heavy pond, 14- sludge treatment equipment, 15- filter tank, 16- return duct, 17- flocculation basin, 18- aerating system, 19- coagulating basin, 20- exposes
Device of air, 21- aerator, 22- sunlight shed system, 23- discharge bay, 24- photovoltaic system.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Specific embodiment
Embodiments of the invention 1：A kind of sewage water treatment method, comprises the following steps：
S01：Pretreating sewage, by sewage through one-level pretreatment system, to remove floating thing and float；
S02：Sewage after processing through step S01 is passed through secondary response system, successively through anoxia section and aerobic section, makes dirt
Water secondary response system mean residence time be 8～14 hours, anoxia section and aerobic section be all equipped with emergent aquactic plant and
Hand-stuff, thus using the major pollutants in the microbial degradation sewage being attached to emergent aquactic plant and hand-stuff surface,
Using nutrient substance such as the nitrogen in the growth absorption sewage of emergent aquactic plant itself and phosphorus, strengthen pollutant removal；By
Above reaction tank, setting sunlight shed is it is ensured that the normal operation in the winter time of sewage disposal system and plant；By the water outlet of aerobic section
It is partly refluxed to anoxia section, to strengthen wastewater treatment efficiency；Biochemical reaction tank water outlet is at coagulation, flocculation, precipitation and filtration
Reason, completes the removal of major pollutants in sewage；
S03：By through step S02 process after sewage disinfect through depth, remove residual contaminants with reach discharge or
The standard recycling.
It is 100%～200% by the return current ratio of the mixed liquid of aerobic section, to ensure the strengthening effect of sewage disposal.
Embodiments of the invention 2：A kind of sewage water treatment method, comprises the following steps：
S01：Pretreating sewage, by sewage through one-level pretreatment system, to remove floating thing and float；
S02：Sewage after processing through step S01 is passed through secondary response system, successively through anoxia section and aerobic section, makes dirt
Water secondary response system mean residence time be 8～14 hours, anoxia section and aerobic section be all equipped with emergent aquactic plant and
Hand-stuff, thus using being attached to major pollutants in the microbial degradation sewage of emergent aquactic plant and hand-stuff surface, sharp
With nutrient substance such as the nitrogen in the growth absorption sewage of emergent aquactic plant itself and phosphorus, strengthen pollutant removal.By anti-
Above Ying Chi, setting sunlight shed is it is ensured that the normal operation in the winter time of sewage disposal system and plant；By the outlet part of aerobic section
Divide and be back to anoxia section, to strengthen wastewater treatment efficiency；Biochemical reaction tank water outlet through coagulation, flocculation, precipitation and filtration treatment,
Complete the removal of major pollutants in sewage；
S03：By through step S02 process after sewage disinfect through depth, remove residual contaminants with reach discharge or
The standard recycling.
It is 150% by the return current ratio of the mixed liquid of aerobic section, to ensure the strengthening effect of sewage disposal.
Embodiments of the invention 3：A kind of sewage disposal system, disappears including pretreatment unit 1, biochemical reaction device 2, depth
Malicious device 3 and sludge treatment equipment 14, pretreatment unit 1 is connected with biochemical reaction device 2, biochemical reaction device 2 respectively with dirt
Mud processing meanss 14 and depth decontaminating apparatuss 3 connect, and biochemical reaction device 2 includes hypoxia response pond 4, aerobic reaction tank 5, coagulation
Pond 19, flocculation basin 17, second pond 13, filter tank 15, aerating system 18, hypoxia response pond 4 is connected with adjacent aerobic reaction tank 5,
Hypoxia response pond 4 is connected with pretreatment unit 1 by water inlet pipe 6, aerobic reaction tank 5 pass through water-supply-pipe 7 successively with coagulating basin 19,
Flocculation basin 17 is connected, and flocculation basin 17 is connected with second pond 13, and second pond 13 is connected with filter tank 15, filter tank 15 and depth decontaminating apparatuss
3 connections, hypoxia response pond 4, aerobic reaction tank 5 are all connected with aerating system 18.
Sewage disposal system of the present invention also includes discharge bay 23, and discharge bay 23 is connected with depth decontaminating apparatuss 3.
Sewage disposal system of the present invention also includes sunlight shed system 22, and sunlight shed system 22 is provided with sunlight shed skeleton, leads to
Wind system, insulation heating system, masking valance system, middle water sprinkler system and photovoltaic system 24, middle water sprinkler system and water outlet
Pond 23 connects.
Embodiments of the invention 4：A kind of sewage disposal system, disappears including pretreatment unit 1, biochemical reaction device 2, depth
Malicious device 3 and sludge treatment equipment 14, pretreatment unit 1 is connected with biochemical reaction device 2, biochemical reaction device 2 respectively with dirt
Mud processing meanss 14 and depth decontaminating apparatuss 3 connect, and biochemical reaction device 2 includes hypoxia response pond 4, aerobic reaction tank 5, coagulation
Pond 19, flocculation basin 17, second pond 13, filter tank 15, aerating system 18, hypoxia response pond 4 is connected with adjacent aerobic reaction tank 5,
Hypoxia response pond 4 is connected with pretreatment unit 1 by water inlet pipe 6, aerobic reaction tank 5 pass through water-supply-pipe 7 successively with coagulating basin 19,
Flocculation basin 17 is connected, and flocculation basin 17 is connected with second pond 13, and second pond 13 is connected with filter tank 15, filter tank 15 and depth decontaminating apparatuss
3 connections, hypoxia response pond 4, aerobic reaction tank 5 are all connected with aerating system 18.
Sewage disposal system of the present invention also includes discharge bay 23, and discharge bay 23 is connected with depth decontaminating apparatuss 3.
Sewage disposal system of the present invention also includes sunlight shed system 22, and sunlight shed system 22 is provided with sunlight shed skeleton, leads to
Wind system, insulation heating system, masking valance system, middle water sprinkler system and photovoltaic system 24, middle water sprinkler system and water outlet
Pond 23 connects.
Hypoxia response pond 4 and aerobic reaction tank 5 all include cover plate 8 and cell body 9, and cell body 9 includes aeration layer 10, packing layer 11
And floral region, it is additionally provided with field planting basket 12 in cell body 9.Packing layer 11 is the hand-stuff for attached growth of microorganisms, field planting
Basket 12 is used for the root system that fixation is laid on the emergent aquactic plant in pond, so that microorganism apposition growth on emergent aquactic plant root system.
Aerating system 18 includes aerator 20 and aerator 21, and aerator 20 is connected with aerator 21, aerator
20 are connected with hypoxia response pond 4 and aerobic reaction tank 5.
Aerobic reaction tank 5 is connected with hypoxia response pond 4 also by return duct 16.2 hypoxia response ponds 4 and 4 aerobic anti-
Order arranges successively to answer pond 5, and the aerobic reaction tank 5 positioned at end passes through return duct 16 even with positioned at the first hypoxia response pond 4
Connect, make to be back to by the water part of aerobic reaction tank 5 in the first hypoxia response pond 4, effect is processed with enhanced sewage
Really.For reducing the impact to hypoxia response pond 4 for the mixed-liquor return, dissolved oxygen amount in the aerobic reaction tank 5 at end is controlled 1～
2mg/L, the dissolved oxygen amount of remaining 3 aerobic reaction tank 5 is 2～4mg/L, and the dissolved oxygen amount in each hypoxia response pond 4 is 0.5～1mg/
L.
The aerator 20 that hypoxia response pond 4 connects is gross porosity aeration mode, the aerator 20 that aerobic reaction tank 5 connects
For micro-pore aeration mode；The number in hypoxia response pond 4 is 2, and 2 hypoxia response ponds 4 are sequentially connected.Aerobic reaction tank 5
Number is 4, and 4 aerobic reaction tanks 5 are sequentially connected.
Second pond 13 is connected with sludge treatment equipment 14, the Sludge landfill after processing through sludge treatment equipment 14 or again profit
With.
Embodiments of the invention 5：A kind of sewage disposal system, disappears including pretreatment unit 1, biochemical reaction device 2, depth
Malicious device 3 and sludge treatment equipment 14, pretreatment unit 1 is connected with biochemical reaction device 2, biochemical reaction device 2 respectively with dirt
Mud processing meanss 14 and depth decontaminating apparatuss 3 connect, and biochemical reaction device 2 includes hypoxia response pond 4, aerobic reaction tank 5, coagulation
Pond 19, flocculation basin 17, second pond 13, filter tank 15, aerating system 18, hypoxia response pond 4 is connected with adjacent aerobic reaction tank 5,
Hypoxia response pond 4 is connected with pretreatment unit 1 by water inlet pipe 6, aerobic reaction tank 5 pass through water-supply-pipe 7 successively with coagulating basin 19,
Flocculation basin 17 is connected, and flocculation basin 17 is connected with second pond 13, and second pond 13 is connected with filter tank 15, filter tank 15 and depth decontaminating apparatuss
3 connections, hypoxia response pond 4, aerobic reaction tank 5 are all connected with aerating system 18.
Sewage disposal system of the present invention also includes discharge bay 23, and discharge bay 23 is connected with depth decontaminating apparatuss 3.
Sewage disposal system of the present invention also includes sunlight shed system 22, and sunlight shed system 22 is provided with sunlight shed skeleton, leads to
Wind system, insulation heating system, masking valance system, middle water sprinkler system and photovoltaic system 24, middle water sprinkler system and water outlet
Pond 23 connects, and photovoltaic system 24 is connected with ventilating system, insulation heating system, middle water sprinkler system respectively.
Hypoxia response pond 4 and aerobic reaction tank 5 all include cover plate 8 and cell body 9, and cell body 9 includes aeration layer 10, packing layer 11
And floral region, it is additionally provided with field planting basket 12 in cell body 9.Packing layer 11 is the hand-stuff for attached growth of microorganisms, field planting
Basket 12 is used for the root system that fixation is laid on the emergent aquactic plant in pond, so that microorganism apposition growth on emergent aquactic plant root system.
Aerating system 18 includes aerator 20 and aerator 21, and aerator 20 is connected with aerator 21, aerator
20 are connected with hypoxia response pond 4 and aerobic reaction tank 5.
Aerobic reaction tank 5 is connected with hypoxia response pond 4 also by return duct 16.3 hypoxia response ponds 4 and 5 aerobic anti-
Pond 5 order is answered to be arranged in order, the aerobic reaction tank 5 positioned at end passes through return duct 16 even with positioned at the first hypoxia response pond 4
Connect, make to be back to by the water part of aerobic reaction tank 5 in the first hypoxia response pond 4, effect is processed with enhanced sewage
Really.For reducing the impact to hypoxia response pond 4 for the mixed-liquor return, dissolved oxygen amount in the aerobic reaction tank 5 at end is controlled
1.5mg/L, the dissolved oxygen amount of remaining 3 aerobic reaction tank 5 is 3mg/L, and the dissolved oxygen amount in each hypoxia response pond 4 is 0.8mg/L.
The aerator 20 that hypoxia response pond 4 connects is jet-flow aeration mode, the aerator 20 that aerobic reaction tank 5 connects
For micro-pore aeration mode；The number in hypoxia response pond 4 is 3, and 3 hypoxia response ponds 4 are sequentially connected.Aerobic reaction tank 5
Number is 5, and 5 aerobic reaction tanks 5 are sequentially connected.
Second pond 13 is connected with sludge treatment equipment 14, the Sludge landfill after processing through sludge treatment equipment 14 or again profit
With.
The operation principle of the present invention：
Sewage passes through the filtration treatment of pretreatment unit 1, removes obvious floating thing and float in sewage, then passes through
The hypoxia response pond 4 of biochemical reaction device 2, the process of aerobic reaction tank 5, make the major pollutants in sewage degrade, and removing is dirty
Nitrogen in water and phosphorus；By coagulating basin 19, flocculation basin 17, second pond 13, filter tank 15 and depth decontaminating apparatuss 3, sewage is wadded a quilt with cotton
Coagulate, precipitate, filter and disinfect, so that sewage may ultimately reach the standard of discharge standard or recycling.
Claims (10)
1. a kind of sewage water treatment method is it is characterised in that comprise the following steps：
S01：Pretreating sewage, by sewage through one-level pretreatment system, to remove floating thing and float；
S02：Sewage after processing through step S01 is passed through secondary response system, successively through anoxia section and aerobic section, so that sewage is existed
The mean residence time of secondary response system is 8～14 hours, is all equipped with emergent aquactic plant and artificial in anoxia section and aerobic section
Filler, thus using the major pollutants in the microbial degradation sewage being attached to emergent aquactic plant and hand-stuff surface；Using
The growth of emergent aquactic plant itself absorbs the nutrient substance such as nitrogen and phosphorus in sewage, strengthens pollutant removal；
By setting sunlight shed above reaction tank it is ensured that the normal operation in the winter time of sewage disposal system and plant；
Anoxia section is back to by the water part of aerobic section, to strengthen wastewater treatment efficiency；
Biochemical reaction tank water outlet, through coagulation, flocculation, precipitation and filtration treatment, completes the removal of major pollutants in sewage；
S03：Sewage after processing through step S02 is disinfected through depth, removes residual contaminants to reach discharge or to reclaim
Using standard.
2. a kind of sewage water treatment method according to claim 1 is it is characterised in that by the return current ratio of the mixed liquid of aerobic section
For 100%～200%, to ensure the strengthening effect of sewage disposal.
3. a kind of system of the sewage water treatment method realized described in claim 1 or 2 is it is characterised in that include pretreatment unit
(1), biochemical reaction device (2), depth decontaminating apparatuss (3) and sludge treatment equipment (14), described pretreatment unit (1) and biochemistry
Reaction unit (2) connects, and biochemical reaction device (2) is connected with sludge treatment equipment (14) and depth decontaminating apparatuss (3) respectively, institute
State biochemical reaction device (2) and include hypoxia response pond (4), aerobic reaction tank (5), coagulating basin (19), flocculation basin (17), second pond
(13), filter tank (15) and aerating system (18), hypoxia response pond (4) are connected with adjacent aerobic reaction tank (5), hypoxia response pond
(4) be connected with pretreatment unit (1) by water inlet pipe (6), aerobic reaction tank (5) pass through water-supply-pipe (7) successively with coagulating basin
(19), flocculation basin (17) is connected, and flocculation basin (17) is connected with second pond (13), and second pond (13) is connected with filter tank (15), filter tank
(15) it is connected with depth decontaminating apparatuss (3), described hypoxia response pond (4), aerobic reaction tank (5) are all with aerating system (18) even
Connect.
4. a kind of sewage disposal system according to claim 3 it is characterised in that described hypoxia response pond (4) with aerobic
Reaction tank (5) all includes cover plate (8) and cell body (9), and described cell body (9) includes aeration layer (10), packing layer (11) and floral region,
It is additionally provided with field planting basket (12) in described cell body (9).
5. a kind of sewage disposal system according to claim 3 is it is characterised in that described aerating system (18) includes aeration
Device (20) and aerator (21), aerator (20) is connected with aerator (21), aerator (20) and hypoxia response pond (4)
Connect with aerobic reaction tank (5).
6. a kind of sewage disposal system according to claim 3 it is characterised in that described aerobic reaction tank (5) also by
Return duct (16) is connected with hypoxia response pond (4).
7. a kind of sewage disposal system according to claim 5 is it is characterised in that what described hypoxia response pond (4) connected
Aerator (20) is gross porosity aeration mode or jet-flow aeration mode, the aerator (20) that described aerobic reaction tank (5) connects
For micro-pore aeration mode；The number in hypoxia response pond (4) is 2 or 3, and multiple hypoxia response pond (4) is sequentially connected；Aerobic anti-
The number of Ying Chi (5) is 3 or 4 or 5, and multiple aerobic reaction tank (5) is sequentially connected.
8. a kind of sewage disposal system according to claim 3 is it is characterised in that described second pond (13) and Treatment of Sludge
Device (14) connection, the Sludge landfill after processing through sludge treatment equipment (14) or recycling.
9. a kind of sewage disposal system according to claim 3 is it is characterised in that also include discharge bay (23), described go out
Pond (23) is connected with depth decontaminating apparatuss (3).
10. a kind of sewage disposal system according to claim 9 is it is characterised in that also include sunlight shed system (22), institute
State sunlight shed system (22) and be provided with sunlight shed skeleton, ventilating system, insulation heating system, masking valance system, middle Water spray
System and photovoltaic system (24), middle water sprinkler system is connected with discharge bay (23).
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| CN201611111261.6A CN106396297A (en) | 2016-12-06 | 2016-12-06 | Sewage treatment method and system |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201611111261.6A CN106396297A (en) | 2016-12-06 | 2016-12-06 | Sewage treatment method and system |
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Inventor after: Pan Qi Inventor after: Fu Yan Feng Inventor after: Chen Beiyang Inventor after: Wang Zhengping Inventor after: Chen Pengyu Inventor after: Qin Shupeng Inventor after: Xi Hao Inventor before: Pan Qi Inventor before: Fu Yan Feng Inventor before: Chen Beiyang Inventor before: Wang Zhengping Inventor before: Chen Pengyu Inventor before: Qin Shupeng Inventor before: Xi Hao |
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