CN104291517B - The processing system of a kind of waste water of livestock poultry qualified discharge and processing method - Google Patents
The processing system of a kind of waste water of livestock poultry qualified discharge and processing method Download PDFInfo
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- CN104291517B CN104291517B CN201410421528.6A CN201410421528A CN104291517B CN 104291517 B CN104291517 B CN 104291517B CN 201410421528 A CN201410421528 A CN 201410421528A CN 104291517 B CN104291517 B CN 104291517B
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- 244000144977 poultry Species 0.000 title claims abstract description 37
- 239000002351 wastewater Substances 0.000 title claims abstract description 33
- 244000144972 livestock Species 0.000 title claims abstract description 27
- 238000012545 processing Methods 0.000 title claims abstract description 15
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000002203 pretreatment Methods 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 239000006228 supernatant Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000005191 phase separation Methods 0.000 claims abstract description 3
- 239000010802 sludge Substances 0.000 claims abstract description 3
- 238000005516 engineering process Methods 0.000 claims description 18
- 238000001556 precipitation Methods 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000006396 nitration reaction Methods 0.000 claims description 8
- 238000005188 flotation Methods 0.000 claims description 5
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 claims description 3
- 244000005700 microbiome Species 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000000855 fermentation Methods 0.000 abstract description 2
- 230000001172 regenerating effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 5
- 210000003608 fece Anatomy 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- -1 erogenesis Species 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- 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
- C02F3/02—Aerobic 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/121—Multistep treatment
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention discloses processing method and the processing system of a kind of waste water of livestock poultry, comprises the following steps: high concentration poultry waste water carries out pre-treatment in pre-treatment pond；Poultry waste water after process enters one-level anaerobic reactor, ferments in continuous-stirring reactor, produces biogas；Entering secondary anaerobic reactor by outlet pipe after reaction, secondary anaerobic reactor is upflow anaerobic sludge blanket reactor, completes water distribution, aerogenesis and three phase separation wherein；Water outlet after process enters one-level biochemical treatment system and processes, solid-liquid separation after process；Supernatant after process enters secondary biochemical treatment system and processes.The present invention utilizes two-stage anaerobic reactor and constructs Two-Stage Biochemical processing system, efficient anaerobic fermentation and the aerobic operation of implementing waste water of livestock poultry process, thus realize while producing regenerative resource biogas, realize the qualified discharge to waste water of livestock poultry to process, selected materials reliable in quality, with low cost, energy efficiency is notable, energy-conserving and environment-protective.
Description
Technical field
The invention belongs to sewage treatment area, particularly to processing method and the processing system of a kind of waste water of livestock poultry qualified discharge.
Background technology
The emission of livestock and poultry farms in scale the most only just carries out comprehensively utilizing or being directly discharged into water body through preliminary anaerobic treatment, is one of topmost polluter in agricultural pollution.Along with economic growth, within the period that future is longer, aquaculture continues development further, and the requirement of environment is more and more tighter.The outstanding problem such as lack, management system is unsound for economically feasible technology, feature in conjunction with livestock and poultry breeding industry, it may be necessary the experiment and demonstration of tackling problems in key technologies and technology, set up the high-performance bio treatment technology system of livestock and poultry farm emission, cut down, for what the Environmental capacity of livestock and poultry cultivation emission and pollution met, the technology mode providing economic and practical.
The excremental feature of livestock and poultry farm is that discharge capacity is big, organic concentration is high, SS content high, conventional sewage treatmentmethod is used to there will still likely be the problems such as biodegradability is poor, C/N is little, aerobic after-treatment system poor processing effect, therefore develop the waste water of livestock poultry treatment technology of high-efficiency and economic, reduce pollutant and the pollution of environment is had necessity very and urgency.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of two-stage anaerobic treatment technology is provided to combine Two-Stage Biochemical treatment technology, (wherein two-stage anaerobic treatment technology separate case application), fully Organic substance is converted into biogas, effectively process poultry waste water, effect is notable, reaches discharge standard, with low cost.
For achieving the above object, the present invention takes following technical proposals to realize:
The processing method of a kind of waste water of livestock poultry qualified discharge, comprises the following steps:
A. high concentration poultry waste water carries out pre-treatment in pre-treatment pond；
B. the poultry waste water after processing enters one-level anaerobic reactor, and continuous-stirring reactor ferments, and produces biogas；
C. entering secondary anaerobic reactor by outlet pipe after reaction, secondary anaerobic reactor is upflow anaerobic sludge blanket reactor, completes water distribution, aerogenesis and three phase separation wherein；
D. the biogas produced enters production and application after purifying；Water outlet after process enters one-level biochemical treatment system and processes, solid-liquid separation after process；
E. the supernatant after processing enters secondary biochemical treatment system and processes；
In described step d, one-level biochemical treatment system includes successively: flotation tank, A/O pond, first stage precipitation tank, A2/ O pond, second-level settling pond；Water outlet after process enters A/O pond after first passing through air-float technology, and the water outlet of A/O pond enters first stage precipitation tank, and supernatant after precipitation enters A2/ O pond, A2The water outlet of/O pond enters into solid-liquid separation in second-level settling pond.Further, the pre-treatment of described poultry waste water includes that the waterpower screen cloth of collecting-tank carries out solid-liquid separation and hydrolysis acidification pool carries out feeding precipitation process.
Further, in step d, one-level biochemical treatment system includes successively: flotation tank, A/O pond, first stage precipitation tank (sink pond), A2/ O pond, second-level settling pond；Water outlet after process enters A/O pond after first passing through air-float technology, and the water outlet of A/O pond enters first stage precipitation tank (second pond), and supernatant after precipitation enters A2/ O pond, A2The water outlet of/O pond enters into solid-liquid separation in second-level settling pond.
Further, A2/ O pond includes anaerobic pond, anoxic pond and Aerobic Pond, waste water carries out the release of phosphorus in mud in anaerobic pond, anti-nitration reaction is carried out in anoxic pond, in Aerobic Pond, organic pollution is degraded by microorganisms, ammonia nitrogen generation nitration reaction, the nitrate nitrogen and the nitrite nitrogen that produce are back to anoxic pond and carry out anti-nitration reaction, and the nitrogen of generation overflows.
Further, waste water time of staying in one-level anaerobic reactor is 3～6 days, preferably 5 days；The water outlet of one-level anaerobic reactor enters secondary anaerobic pond, and hydraulic detention time is 2～6 days, preferably 2.5 days.
Further, the heat energy reclaimed after being generated electricity by biogas combustion is used for heating of one-level anaerobic reactor so that it is maintain medium temperature condition, saves the energy.
Present invention also offers the processing system of a kind of waste water of livestock poultry qualified discharge, including one-level anaerobic reactor, two grades of feed tanks and secondary anaerobic reactor, wherein waterwater entrance connects one-level anaerobic reactor by pump, one-level anaerobic reactor connects two grades of feed tanks by outlet pipe, two grades of feed tank water outlet pumps connect secondary anaerobic reactor, the outlet pipe of secondary anaerobic reactor is connected with one-level biochemical treatment system, one-level biochemical treatment system outlet pipe connects secondary biochemical treatment system, secondary biochemical treatment system water outlet connects discharge pond, described one-level biochemical treatment system includes successively: flotation tank, A/O pond, first stage precipitation tank, A2/ O pond, second-level settling pond, wherein A2/ O pond includes anaerobic pond, anoxic pond and Aerobic Pond.
Further, secondary biochemical treatment system includes successively: contact-oxidation pool, coagulative precipitation tank, BAF BAF, sterilization pool.
Further, improving the structure in anaerobic reactor and system, set and heat coil pipe in described one-level anaerobic reactor, coil pipe height is the 2/5 of available depth, and coil pipe is 1/4～1/3 tank skin radius away from reactor wall；Described one-level anaerobic reactor peripheral hardware circulating pump, inside sets water distributor, and water distributor is dendritic distribution；Secondary anaerobic reactor water inlet is water distribution uniformity, sets water distributor in reactor, and water distributor is dendritic distribution.
Compared with prior art, the invention have the advantages that
The present invention carries out Two-Stage Biochemical process after waste water of livestock poultry is carried out efficient two-stage anaerobic fermentation again, organic substance is converted into regenerative resource biogas, turns waste into wealth, and reaches resource purpose, and volume gas production is at 0.35m3/ more than d；Needed for two-stage anaerobic technology, energy consumption only has the half of one-level anaerobic technology, decreases operating cost.
Two-Stage Biochemical processing system has its big advantage compared to other art process technologies: 1) comprehensive benefit is obvious: this technology takes into account environmental conservation, biomass energy exploitation and Development of Recycle Agriculture, has significant social benefit, source benefit and economic benefit；2) applied widely: livestock and poultry farm Excreta dissimilar, variable concentrations is had the strongest suitability；3) operational management is convenient: invest compared with province, energy consumption is relatively low, operating cost is low, convenient operation and management.
Further, by improving firsts and seconds anaerobic reactor structure, the productivity of biogas can be improved.
Further, by the appropriate design of Two-Stage Biochemical processing system, for the feature of poultry waste water, removal effect is good, with low cost.
Accompanying drawing explanation
Fig. 1 is the process route chart of the present invention.
Fig. 2 is present invention process schematic flow sheet.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention rather than limit the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
Embodiment 1
Pig farm be most common be also bigger livestock and poultry farm, Pig dung and urine is representative in waste water of livestock poultry, the composition of all kinds of waste water of livestock poultry is the most roughly the same, therefore the process present invention for other waste water of livestock poultry is equally applicable, and therefore in the present embodiment, waste water of livestock poultry selects piggery wastewater.
Wherein farm animal excrement, including feces of livestock and poultry, urine；Waste water of livestock poultry, including poultry urine, portion of stool and flushing water.
Fig. 1 is the process route chart of the present invention, and Fig. 2 is present invention process schematic flow sheet.Visible in conjunction with Fig. 1 and Fig. 2, the concrete step that processes includes:
1) waste water of livestock poultry main parameter after waterpower screen cloth and hydrolysis acidification pool carry out pre-treatment is: COD 20000mg/L, influent load 8kg/ (m3·d).CSTR reactor dischargeable capacity is 1200m3, the pH of control CSTR reactor is at 6.5-7.5, and heat cycles water tank control temperature is between 30-35 DEG C, and daytime is every stirring in 4 hours once.Stirring 20 minutes, hydraulic detention time 5 days every time.After testing, the stable yield of biogas every day is at 500m3。
2) CSTR water outlet enters UASB reactor after two grades of feed tank short stays.Proceed degraded by the UASB reactor that is lifted into of pump, by the three phase separator of UASB, water, gas, mud are separated.The water inlet flow velocity controlling UASB during reaction is 2m/s.By detection, average biogas output is 800m3/ d, COD clearance reaches about 70%.
3) proving through example detection, the average removal rate of COD is more than 80% after CSTR and UASB two-stage anaerobic for waste water of livestock poultry, and aerogenesis meets stable at 0.35m3/(m3D) more than.
4) one-level biochemical treatment system: entering back in A/O pond after first passing through air-float technology, A/O pond is divided into anaerobic pond, Aerobic Pond.Anaerobic pond predominantly biological phosphate-eliminating and set, sewage mixes with the mud of backflow at this, and carries out the release of phosphorus in mud；The nitrate nitrogen produced in Aerobic Pond and nitrite nitrogen are back in anoxic pond Denitrification, generate nitrogen effusion, reach denitrogenation purpose.The water outlet of A/O pond enters first stage precipitation tank.Supernatant after precipitation enters into A2In/O pond.A2/ O pond is divided into anaerobic pond, anoxic pond, Aerobic Pond.Anaerobic pond predominantly biological phosphate-eliminating and set, sewage mixes with the mud of backflow at this, and carries out the release of phosphorus in mud；Anoxic pond is substantially carried out anti-nitration reaction, and the nitrate nitrogen produced in Aerobic Pond and nitrite nitrogen are back in anoxic pond Denitrification, generates nitrogen effusion, reaches denitrogenation purpose.Meanwhile, in Aerobic Pond, organic pollution major part microorganism under aerobic condition is degraded, the nitration reaction of ammonia nitrogen generation simultaneously.A2The water outlet of/O pond enters into solid-liquid separation in second pond.
5) secondary biochemical treatment system: second pond supernatant enters in contact-oxidation pool, remove the organic pollution in sewage further, its water outlet enters in coagulative precipitation tank, remove float and particulate matter in sewage further, subsequently into BAF BAF so that final outflow water qualified discharge.
When this method is implemented, the anaerobic methane production mud that in CSTR reactor, inoculation has been tamed, piggery wastewater enters CSTR, controls COD influent load at 10kgCOD/ (m3D), this pig farm uses blister excrement technique, and the process water yield is 400m3/ d, influent COD 20000mg/L.The concrete data of the treatment effect in sewage disposal each stage are as shown in table 1:
The treatment effect table in table 1 sewage disposal each stage
Claims (7)
1. the processing method of a waste water of livestock poultry qualified discharge, it is characterised in that the treating method comprises following steps:
A. high concentration poultry waste water carries out pre-treatment in pre-treatment pond；
B. the poultry waste water after processing enters one-level anaerobic reactor, and continuous-stirring reactor ferments, and produces biogas；
C. entering secondary anaerobic reactor by outlet pipe after reaction, secondary anaerobic reactor is up-flow anaerobic sludge blanket
Reactor, completes water distribution, aerogenesis and three phase separation wherein；
D. the biogas produced enters production and application after purifying；Water outlet after process enters one-level biochemical treatment system and enters
Row processes, solid-liquid separation after process；
E. the supernatant after processing enters secondary biochemical treatment system and processes；
In described step d, one-level biochemical treatment system includes successively: flotation tank, A/O pond, first stage precipitation tank,
A2/ O pond, second-level settling pond；Water outlet after process enters A/O pond, A/O after first passing through air-float technology
Pond water outlet enters first stage precipitation tank, and supernatant after precipitation enters A2/ O pond, A2The water outlet of/O pond enters
Solid-liquid separation in second-level settling pond.
Processing method the most according to claim 1, it is characterised in that set in described one-level anaerobic reactor and heat dish
Pipe, coil pipe height is the 2/5 of available depth, and coil pipe is 1/4～1/3 tank skin radius away from reactor wall.
Processing method the most according to claim 1, it is characterised in that described one-level anaerobic reactor peripheral hardware circulating pump,
Inside setting water distributor, water distributor is dendritic distribution.
Processing method the most according to claim 1, it is characterised in that secondary anaerobic reactor water inlet is water distribution uniformity,
Setting water distributor in reactor, water distributor is dendritic distribution.
Processing method the most according to claim 1, it is characterised in that A2/ O pond includes that anaerobic pond, anoxic pond are become reconciled
Oxygen pond, waste water carries out the release of phosphorus in mud in anaerobic pond, carries out anti-nitration reaction in anoxic pond, good
In oxygen pond, organic pollution is degraded by microorganisms, ammonia nitrogen generation nitration reaction, the nitrate nitrogen of generation and nitrous acid
Salt nitrogen is back to anoxic pond and carries out anti-nitration reaction, and the nitrogen of generation overflows.
6. a waste water of livestock poultry two-stage anaerobic produces the processing system of biogas, it is characterised in that include one-level anaerobic reactor,
Two grades of feed tanks and secondary anaerobic reactor, wherein waterwater entrance connects one-level anaerobic reactor, one-level by pump
Anaerobic reactor connects two grades of feed tanks by outlet pipe, and two grades of feed tank water outlet pumps connect secondary anaerobic reaction
Device, the outlet pipe of secondary anaerobic reactor is connected with one-level biochemical treatment system, one-level biochemical treatment system water outlet
Pipe connects secondary biochemical treatment system, and secondary biochemical treatment system water outlet connects discharge pond, at described one-level biochemistry
Reason system includes successively: flotation tank, A/O pond, first stage precipitation tank, A2/ O pond, second-level settling pond.
Processing system the most according to claim 6, it is characterised in that secondary biochemical treatment system includes successively: connect
Touch oxidation pond, coagulative precipitation tank, BAF BAF, sterilization pool.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510425.6A CN106430562B (en) | 2014-08-25 | 2014-08-25 | A kind of processing method of poultry discharged wastewater met the national standard |
| CN201610511663.9A CN106430563A (en) | 2014-08-25 | 2014-08-25 | Treatment system and treatment method for up-to-standard discharge of livestock and poultry wastewater |
| CN201410421528.6A CN104291517B (en) | 2014-08-25 | 2014-08-25 | The processing system of a kind of waste water of livestock poultry qualified discharge and processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410421528.6A CN104291517B (en) | 2014-08-25 | 2014-08-25 | The processing system of a kind of waste water of livestock poultry qualified discharge and processing method |
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| CN201610510425.6A Division CN106430562B (en) | 2014-08-25 | 2014-08-25 | A kind of processing method of poultry discharged wastewater met the national standard |
| CN201610511663.9A Division CN106430563A (en) | 2014-08-25 | 2014-08-25 | Treatment system and treatment method for up-to-standard discharge of livestock and poultry wastewater |
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| Publication Number | Publication Date |
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| CN104291517A CN104291517A (en) | 2015-01-21 |
| CN104291517B true CN104291517B (en) | 2016-09-28 |
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| CN201410421528.6A Active CN104291517B (en) | 2014-08-25 | 2014-08-25 | The processing system of a kind of waste water of livestock poultry qualified discharge and processing method |
| CN201610511663.9A Pending CN106430563A (en) | 2014-08-25 | 2014-08-25 | Treatment system and treatment method for up-to-standard discharge of livestock and poultry wastewater |
| CN201610510425.6A Active CN106430562B (en) | 2014-08-25 | 2014-08-25 | A kind of processing method of poultry discharged wastewater met the national standard |
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| CN201610511663.9A Pending CN106430563A (en) | 2014-08-25 | 2014-08-25 | Treatment system and treatment method for up-to-standard discharge of livestock and poultry wastewater |
| CN201610510425.6A Active CN106430562B (en) | 2014-08-25 | 2014-08-25 | A kind of processing method of poultry discharged wastewater met the national standard |
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| CN104291517B (en) * | 2014-08-25 | 2016-09-28 | 杭州清城能源环保工程有限公司 | The processing system of a kind of waste water of livestock poultry qualified discharge and processing method |
| CN105384302A (en) * | 2015-09-16 | 2016-03-09 | 徐雪祥 | Aquaculture wastewater processing system and method thereof |
| CN106082531A (en) * | 2016-06-21 | 2016-11-09 | 福建禹环境科技有限公司 | A kind of processing method of breeding wastewater |
| CN106348486A (en) * | 2016-08-24 | 2017-01-25 | 江苏众胜灭菌设备科技有限公司 | Method for recovering nitrogenous raw materials in sewage |
| CN107082535A (en) * | 2017-05-31 | 2017-08-22 | 安徽永志环能科技有限公司 | Livestock and poultry cultivation night soil biological treatment utilization process |
| CN108640453A (en) * | 2018-05-09 | 2018-10-12 | 惠州市百欧佳科技有限公司 | A kind of simultaneous water quality reaching standard process of poultry waste nutrient recycling |
| CN108862769B (en) * | 2018-07-09 | 2021-11-09 | 合肥森岑汽车用品有限公司 | Zero release environment-friendly feed production sewage treatment plant |
| CN108862860A (en) * | 2018-07-09 | 2018-11-23 | 许春燕 | A kind of sewage-treatment plant of Automatic Control |
| CN108821521A (en) * | 2018-08-23 | 2018-11-16 | 温州正城建设有限公司 | Multistage settling gardens regeneration effluent system |
| CN109111038A (en) * | 2018-09-10 | 2019-01-01 | 浩源皮业（台山）有限公司 | A kind of leather waste water efficient process system |
| CN110054346A (en) * | 2019-02-27 | 2019-07-26 | 浙江美保龙种猪育种有限公司 | A kind of method of lifting sewage processing capacity |
| CN110183032A (en) * | 2019-04-23 | 2019-08-30 | 长沙凯天工研院环保服务有限公司 | A kind of livestock breeding wastewater recycling treatment system |
| CN110697985A (en) * | 2019-10-24 | 2020-01-17 | 山丹县康源清真牛羊肉食品有限责任公司 | Slaughterhouse effluent disposal system |
| CN112794552A (en) * | 2020-12-14 | 2021-05-14 | 北京汇恒环保工程股份有限公司 | Treatment method of sauce-flavor wine wastewater |
| CN115304220A (en) * | 2022-08-22 | 2022-11-08 | 湖南瑞民博环境工程有限公司 | Breeding wastewater treatment system and treatment method thereof |
| CN116444101A (en) * | 2023-05-31 | 2023-07-18 | 中国电建集团贵阳勘测设计研究院有限公司 | A high-concentration brewing organic wastewater treatment system and method |
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| CN101306905A (en) * | 2008-05-12 | 2008-11-19 | 王俊川 | Comprehensive approach for recycling waste water |
| CN101343133B (en) * | 2008-08-26 | 2010-06-02 | 浙江林学院 | Comprehensive Treatment Method of Livestock and Poultry Breeding Wastewater |
| CN102336497A (en) * | 2010-07-27 | 2012-02-01 | 辽宁科技大学 | Energy-efficient method for enhanced denitrification and decarburization of waste water |
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| CN103936229B (en) * | 2014-04-28 | 2016-06-22 | 华南理工大学 | A kind of municipal sewage improvement A2/ O intensified denitrification and dephosphorization processes device and technique |
| CN104291517B (en) * | 2014-08-25 | 2016-09-28 | 杭州清城能源环保工程有限公司 | The processing system of a kind of waste water of livestock poultry qualified discharge and processing method |
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