CN103466900B - Advanced treatment method and device for livestock breeding waste water - Google Patents
Advanced treatment method and device for livestock breeding waste water Download PDFInfo
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- CN103466900B CN103466900B CN201310461896.9A CN201310461896A CN103466900B CN 103466900 B CN103466900 B CN 103466900B CN 201310461896 A CN201310461896 A CN 201310461896A CN 103466900 B CN103466900 B CN 103466900B
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 244000144972 livestock Species 0.000 title claims abstract description 39
- 239000002351 wastewater Substances 0.000 title abstract description 16
- 238000009395 breeding Methods 0.000 title abstract description 8
- 230000001488 breeding effect Effects 0.000 title abstract description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 34
- 230000003647 oxidation Effects 0.000 claims abstract description 34
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 210000003608 fece Anatomy 0.000 claims abstract description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 10
- 239000011574 phosphorus Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 244000144977 poultry Species 0.000 claims description 29
- 238000005276 aerator Methods 0.000 claims description 23
- 239000010865 sewage Substances 0.000 claims description 22
- 238000006396 nitration reaction Methods 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 14
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 11
- 239000004593 Epoxy Substances 0.000 claims description 11
- 239000010962 carbon steel Substances 0.000 claims description 11
- 239000000706 filtrate Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000003973 paint Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 8
- 239000003895 organic fertilizer Substances 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005273 aeration Methods 0.000 abstract 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- -1 pH value Chemical compound 0.000 description 4
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000287828 Gallus gallus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses an advanced treatment method and device for livestock breeding waste water. The advanced treatment device for the livestock breeding waste water is mainly formed by a waste water collecting pool, a livestock feces solid-liquid separation device, a slight aeration adjusting pool, an anaerobic ammonia oxidation reactor, a partial nitrification reactor and a denitrifying phosphorus removal SBBR. According to the advanced treatment device for the livestock breeding waste water, abundant organic matters in the waste water are used as a denitrification carbon source, denitrification efficiency is high, the carbon source does not need to be added externally, and the advanced treatment device for the livestock breeding waste water has a partial nitrification function, prevents nitrite from accumulating, and is suitable for treating the livestock breeding waste water with high ammonia nitrogen and high COD and high in capacity of synchronously removing the COD, total nitrogen, the ammonia nitrogen and total phosphorous; furthermore, the technology is simple, energy consumption is low, and the amount of generated sludge is small; the device is modularized and is convenient to manufacture and mount, and the whole set of the device is flexible in assembling, simple, small in investment, little in occupied space, capable of breaking through the limitation of the environment and convenient to construct and popularize.
Description
Technical field
The invention belongs to field of environment protection, particularly a kind of method of advanced treating livestock and poultry cultivation sewage and device.
Background technology
Feature that livestock breeding wastewater has typically " three is high ", content of organics is high, and ammonia-nitrogen content is high, and solid suspension content is high, and the fluctuation of waste water complicated, water quality and quantity is large.Adopt the study and practice of traditional anaerobism+aerobic process process aquaculture wastewater many, but it is lower mostly to there is operating load, removal ammonia nitrogen, total nitrogen, total phosphorus ability are also lower, and capital expenditure is large, and operating cost is high, and management difficulty is large, the shortcoming that business burden is heavy.
Due to the particularity of cultivation excrement dirt, how being effectively separated excrement slag and sewage, and realizing the simplification of storage, handling, transport, be not only the key reducing subsequent biochemical processing cost, is also the important measures that source is disposed.Simultaneously, the low C/N ratio characteristic of aquaculture wastewater, in biological denitrification process, need a large amount of organic carbon sources as electron donor, if traditional handicraft C/N<2.5, there is no additional organic carbon source, denitrification just cannot effectively carry out, and if C/N<4, denitrification container volume will improve 1.5-1.7 doubly; Therefore, when processing this kind of ultralow C/N of breeding wastewater than high concentration nitrogen-containing waste water, traditional biological denitrification process shows great limitation; And the power consumption that traditional aerobe dephosphorization process need is a large amount of, and produce a large amount of excess sludges.
The process of research livestock and poultry cultivation sewage has many both at home and abroad at present, structures many employings reinforced concrete structure, complex structure, investment is large, and most methods treatment effect is all undesirable, the water quality of water outlet does not reach the requirement of discharge, and the scale of can not form is applied, and constrains the research and extension application of livestock and poultry cultivation advanced treatment of wastewater.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of COD of removal, ammonia nitrogen, total nitrogen, total phosphorus ability modularization that is high, implement device is beneficial to making and installation, complexes can be carried out single group tandem compound according to plant's scale or organize parallel combination more and use, device flexibly, simple, take up an area little, the method for the advanced treating livestock and poultry cultivation sewage of constructability construction and popularization and device.
The present invention solves the problems of the technologies described above with following technical scheme:
(1) elevator pump works according to liquid level gauge signal, livestock and poultry feces in collecting-tank is sent into livestock and poultry feces equipment for separating liquid from solid, start solid-liquid extruder, filter residue falls into hopper and stores as ready and make organic fertilizer, and filtrate enters micro-aerating regulation pond by overflow pipe and processes simultaneously;
(2) elevator pump in micro-aerating regulation pond is according to the work of liquid level gauge signal, and filtrate enters first order anaerobic ammonia oxidation reactor through water-locator, and intelligence control system intermittently starting or valve-off give the preaeration head air feed in micro-aerating regulation pond;
(3) short distance nitration reactor is sent in the water outlet of first order anaerobic ammonia oxidation reactor, intelligence control system determines when to aerator air feed according to parameter preset or probe feedback information, a water outlet part for short distance nitration reactor delivers to micro-aerating regulation pond, and remaining part is sent into second level anaerobic ammonia oxidation reactor and processed further;
(4) by second level anaerobic ammonia oxidation reactor water outlet access denitrification dephosphorization SBBR reactor, intelligence control system determines when to aerator air feed according to parameter preset or probe feedback information, and the draining of denitrification dephosphorization SBBR reactor controls draining or manual drainage by intelligence control system.
Sewage quality leading indicator after said method process reaches COD (CODcr)≤100mg/L, five-day BOD (BOD
5)≤30mg/L, ammonia nitrogen≤25mg/L, total nitrogen≤40mg/L, total phosphorus≤3.0mg/L, suspension (SS)≤70mg/L, pH value 6-9.
Special equipment of the present invention is:
1. livestock and poultry feces equipment for separating liquid from solid:
Livestock and poultry feces equipment for separating liquid from solid main body is carbon steel material, rectangle cone bucket structure, and spraying bituminous epoxy paint is anticorrosion; Dismountable rain shade is arranged at the top of device, is provided with hopper in device, has solid-liquid extruder above hopper, has discharge shutter at the bottom of hopper bucket; The filter residue of solid-liquid extruder falls into hopper and stores as ready and make organic fertilizer, and filtrate enters the process of micro-aerating regulation pond;
2. anaerobic ammonia oxidation reactor:
Anaerobic ammonia oxidation reactor main body is carbon steel material, rectangular closed formula structure, and reactor inner chamber spraying bituminous epoxy paint is anticorrosion; Dividing plate is had reactor inner chamber to be separated into room after ammoxidation cup and ammoxidation in reactor; After ammoxidation cup and ammoxidation, the bottom of room is all provided with water-locator, and top is all provided with water outlet weir notch, and after ammoxidation, the water outlet weir notch of room 3-10cm lower than the water outlet weir notch of ammoxidation cup, is provided with combined stuffing between water outlet weir notch and water-locator; Reactor water inlet pipe is communicated with the water-locator bottom ammoxidation cup, and the water outlet weir notch of ammoxidation cup is communicated with the water-locator bottom room after ammoxidation by pipeline; Reactor water outlet picks out from the water outlet weir notch of room after ammoxidation;
After the ammoxidation cup of anaerobic ammonia oxidation reactor and ammoxidation, methane outlet is all established in top, room, access security liquid packing after in parallel; Bottom room, residual cake valve is housed after ammoxidation cup and ammoxidation.
3. short distance nitration reactor:
Short distance nitration reactor body is carbon steel material, rectangular closed formula structure, and air exit is established at top, and reactor inner chamber spraying bituminous epoxy paint is anticorrosion; Dividing plate is had inner chamber to be separated into nitrated cup and nitrated rear room in reactor; The bottom of nitrated cup and nitrated rear room is all provided with aerator, is all provided with combined stuffing between aerator to effluent pipe mouth; Reactor water inlet pipe enters U-tube downwards from nitrated cup Upper vertical, and offer water hole bottom dividing plate and nitrated cup is communicated with nitrated rear room, reactor outlet pipe picks out outside reactor after top, nitrated rear room is introduced into a U-tube straight down; Residual cake valve is equiped with bottom nitrated cup and nitrated rear room.
4. denitrification dephosphorization SBBR reactor:
Denitrification dephosphorization SBBR reactor body is carbon steel material, rectangular closed formula structure, and air exit is established at top, and reactor inner chamber spraying bituminous epoxy paint is anticorrosion; Reactor bottom is provided with aerator, and aerator is all provided with combined stuffing to 1/2nd At The Heights of reactor; Reactor water inlet pipe enters from top, and outlet pipe position is at 1/2nd places of height for reactor; Reactor bottom is equiped with residual cake valve.
The method of advanced treating livestock and poultry cultivation sewage of the present invention, utilize organic matter abundant in waste water as denitrifying carbon source, denitrification efficiency is high, without the need to additional carbon, there is short distance nitration function and avoid Nitrite accumulation, be applicable to process the livestock and poultry cultivation sewage containing high ammonia nitrogen, high COD, synchronously remove COD, total nitrogen, ammonia nitrogen and total phosphorus ability high; And technique is simple, energy consumption is low, and mud generation is little; Apparatus module, be convenient to make and install, complexes combination is flexible, simple, invests little, takes up an area few, can break through environmental limit, constructability construction and popularization.
Accompanying drawing explanation
Fig. 1 is the process chart of the method for a kind of advanced treating livestock and poultry cultivation of the present invention sewage.
Fig. 2 is device structure schematic diagram of the present invention.
Fig. 3 is livestock and poultry feces equipment for separating liquid from solid structural representation.
Fig. 4 is the structural representation of anaerobic ammonia oxidation reactor.
Fig. 5 is the structural representation of short distance nitration reactor.
Fig. 6 is the structural representation of denitrification dephosphorization SBBR reactor.
In figure: 1-collecting-tank, 2-livestock and poultry feces equipment for separating liquid from solid, the micro-aerating regulation pond of 3-, 4-first order anaerobic ammonia oxidation reactor, 5-short distance nitration reactor, 6-reflux line, 7-second level anaerobic ammonia oxidation reactor, 8-denitrification dephosphorization SBBR reactor, 9-blower fan, 10-biogas electricity generation apparatus, 11-elevator pump, 12-device of solar generating, 13-marsh gas purifying filling apparatus, 14-intelligence control system, 15-liquid level gauge; 21-solid-liquid extruder, the detachable rain shade of 22-, the detachable feet of 23-, 24-hopper, 25-pulley-type discharge shutter, 26-overflow pipe; 31-elevator pump, 32-preaeration head, 33-liquid level gauge, 34-check valve; 41-dividing plate, 42-cup water-locator, 43-cup water outlet weir notch, 44-cup combined stuffing, 45-water inlet pipe, 46-water pipeline, 47-outlet pipe, 48-methane outlet, 49-cup manhole, 410-Safety water seal device, 411-residual cake valve, 412-ammoxidation cup, room after 413-ammoxidation, room water-locator after 414-, mill weir groove in room after 415-, room combined stuffing after 416-, room manhole after 417-; 51-dividing plate, 52-cup aerator, 53-outlet pipe, 54-cup combined stuffing, 55-water inlet pipe, 56-cup U-tube, 57-water hole, 58-residual cake valve, 59-exhaust outlet, 510-cup manhole, the nitrated cup of 511-, the nitrated rear room of 512-, room aerator after 513-, room combined stuffing after 514-, room U-tube after 515-, room manhole after 516-; 81-manhole, 82-exhaust outlet, 83-aerator, 84-combined stuffing, 85-water inlet pipe, 86-outlet pipe, 87-U type pipe, 88-residual cake valve.
Detailed description of the invention
The invention discloses a kind of method and device of advanced treating livestock and poultry cultivation sewage, it is primarily of collecting-tank, livestock and poultry feces equipment for separating liquid from solid, micro-aerating regulation pond, anaerobic ammonia oxidation reactor, short distance nitration reactor, denitrification dephosphorization SBBR reactor is formed, this device removes COD, ammonia nitrogen, total nitrogen, total phosphorus ability is high, technique is simple, by the modularization of device, be convenient to make and install, complexes can be carried out single group tandem compound according to the blowdown flow rate of different scales plant and organize parallel combination more and use, device is flexible, simply, take up an area little, constructability is built and is promoted.
Its concrete technology is that elevator pump 11 is according to the work of liquid level gauge 15 signal, livestock and poultry feces in collecting-tank 1 is promoted and enters livestock and poultry feces equipment for separating liquid from solid 2, start solid-liquid extruder 21 simultaneously, filter residue falls into hopper 24 and stores as ready and make organic fertilizer, and filtrate is flow automatically by overflow pipe 26, and to enter micro-aerating regulation pond 3 pending; Elevator pump 31 in micro-aerating regulation pond 3 is according to the work of liquid level gauge 33 signal, filtrate is promoted and enters first order anaerobic ammonia oxidation reactor 4 by water-locator 42, intelligence control system 14 intermittently starting or valve-off give preaeration 32 air feed in micro-aerating regulation pond 3; By the water inlet end U-shaped pipe 56 of first order anaerobic ammonia oxidation reactor 4 water outlet by pipeline access short distance nitration reactor 5, intelligence control system 14 is according to parameter preset or probe (dissolved oxygen, pH value, ORP value etc.) feedback information, intelligent opening or valve-off are to aerator 52 air feed, a short distance nitration reactor 5 water outlet part delivers to micro-aerating regulation pond by reflux line 6, and remaining part is processed further by pipeline access second level anaerobic ammonia oxidation reactor 7; By second level anaerobic ammonia oxidation reactor 7 water outlet by pipeline access denitrification dephosphorization SBBR reactor 8, intelligence control system 14 open according to parameter preset or probe (liquid level gauge, dissolved oxygen, pH value, ORP value etc.) feedback information or valve-off to aerator 83 air feed, the draining of denitrification dephosphorization SBBR reactor 8 by the automatic Open valve of intelligence control system by outlet pipe 86 draining or manual drainage.
The present invention can also adopt following technical measures:
This treating apparatus also comprises biogas electricity generation apparatus 10, device of solar generating 12, marsh gas purifying filling apparatus 13, intelligence control system 14, and electricity consumption needed for described above-mentioned treating apparatus can be provided by biogas electricity generation apparatus, device of solar generating, economize energy.Biogas also can realize high added value by marsh gas purifying filling apparatus and use, and substitutes other gas energy.For ease of the Automated condtrol for the treatment of apparatus, this device also comprises intelligence control system 14, this intelligence control system can buy related device design, mainly control elevator pump 15, elevator pump 31, solid-liquid extruder 21, blower fan 9, each valve, biogas electricity generation apparatus 10, device of solar generating 12, marsh gas purifying filling apparatus 13 etc. need to open, the equipment of closing control and valve.The design of this control system is comparatively common to those skilled in the art, and therefore specific design control program will not describe at this.
Livestock and poultry feces equipment for separating liquid from solid 2 main body is carbon steel material, rectangle cone bucket structure, and device internal spray bituminous epoxy paint is anticorrosion; Have solid-liquid extruder 21 above the hopper 24 of device, establish detachable rain shade 22 above solid-liquid extruder, the quadrupod of hopper 24 is located on dismountable feet 23, and pulley-type discharge shutter 25 is equipped with at the cone bucket end; Solid-liquid extruder 21 filter residue moisture content 50%-80% out, falls into hopper 24 and stores as ready and make organic fertilizer, and filtrate is flow automatically by overflow pipe 26, and to enter micro-aerating regulation pond 3 pending.
Anaerobic ammonia oxidation reactor 4 main body is carbon steel material, rectangular closed formula structure, and reactor inner chamber spraying bituminous epoxy paint is anticorrosion; Reactor is separated into room 413 after ammoxidation cup 412 and ammoxidation by the dividing plate 41 in reactor; Water-locator 42 and 414 is separately installed with bottom room 413 after ammoxidation cup 412 and ammoxidation, top is separately installed with water outlet weir notch 43 and 415, after ammoxidation, the water outlet weir notch 415 of room 413 3-10cm lower than the water outlet weir notch 43 of ammoxidation cup 412, is separately installed with combined stuffing 44 or 416 between each room water outlet weir notch and water-locator; Reactor water inlet pipe 45 is communicated with the water-locator 42 bottom ammoxidation cup 412, and the water outlet weir notch 43 on ammoxidation cup 412 top is communicated with the water-locator 414 bottom room after ammoxidation 413 by water pipeline 46; Reactor outlet pipe 47 picks out from the water outlet weir notch 415 of room 413 after ammoxidation; After the ammoxidation cup 412 of anaerobic ammonia oxidation reactor 4 and ammoxidation, methane outlet 48 and manhole 49 and 417 are established, access security liquid packing 410 after the parallel connection of methane outlet pipe respectively in top, room 413; Bottom room 413, residual cake valve 411 is housed respectively after ammoxidation cup 412 and ammoxidation.
Short distance nitration reactor 5 main body is carbon steel material, rectangular closed formula structure, and reactor inner chamber spraying bituminous epoxy paint is anticorrosion, reactor is separated into nitrated cup 511 and nitrated rear room 512 by reactor internal partition 51, the bottom of nitrated cup and nitrated rear room is separately installed with cup aerator 52 and rear room aerator 513, between the mouth of pipe of cup aerator 52 to water inlet pipe 55, cup combined stuffing 54 is installed, between the mouth of pipe of rear room aerator 513 to outlet pipe 53, rear room combined stuffing 514 is installed, reactor water inlet pipe 55 is the U-tube 56 of 40-60cm formation straight down after entering from nitrated cup 511 top, offering water hole 57 bottom dividing plate 51 makes nitrated cup be communicated with nitrated rear room, reactor outlet pipe 53 picks out from top, nitrated rear room 512, outlet pipe 53 picks out outside reactor after first forming the rear room U-tube 515 of a 40-60cm straight down, bottom nitrated cup and nitrated rear room, residual cake valve 58 is housed.Reactor head establishes exhaust outlet 59 and manhole 510(516).
Denitrification dephosphorization SBBR reactor 8 main body is carbon steel material, rectangular closed formula structure, and exhaust outlet 82 and manhole 81 are established in top, and reactor inner chamber spraying bituminous epoxy paint is anticorrosion; Reactor bottom is provided with aerator 83, and 1/2nd places more than aerator to height for reactor are all provided with combined stuffing 84; After reactor water inlet pipe 85 enters from top, 40-60cm forms U-tube 87 straight down, and outlet pipe 86 position is at 1/2nd places of height for reactor; Reactor bottom installing residual cake valve 88.
Embodiment 1:
Yulin City plant, cultivation scale livestock on hand 30000 plumage kind chicken house, adopts dry clear excrement technique, day sewer 20 cubic metres.The major pollutants CODcr of sewage is 5000-8000mg/L, and ammonia nitrogen is 600-1000mg/L, SS be 5000-8000mg/L, PH is 6-8.
Adopt present invention process method and device process, process equipment is: collecting-tank+equipment for separating liquid from solid (1 cover)+micro-aerating regulation pond+first order anaerobic ammonia oxidation reactor (1 cover)+short distance nitration reactor (1 cover)+second level anaerobic ammonia oxidation reactor (1 cover)+denitrification dephosphorization SBBR reactor (1 cover).
Concrete operations flow process is: elevator pump 11 is according to the work of liquid level gauge 15 signal, livestock and poultry feces in collecting-tank 1 is promoted and enters livestock and poultry feces equipment for separating liquid from solid 2, start solid-liquid extruder 21 simultaneously, filter residue falls into hopper 24 and stores as ready and make organic fertilizer, and filtrate is flow automatically by overflow pipe 26, and to enter micro-aerating regulation pond 3 pending; Elevator pump 31 in micro-aerating regulation pond 3 is according to the work of liquid level gauge 33 signal, enter first order anaerobic ammonia oxidation reactor 4 by water-locator 42 again after filtrate is promoted, intelligence control system 14 intermittently starting or valve-off give preaeration 32 air feed in micro-aerating regulation pond 3; By the water inlet end U-shaped pipe 56 of first order anaerobic ammonia oxidation reactor 4 water outlet by pipeline access short distance nitration reactor 5, intelligence control system 14 is according to parameter preset or probe (dissolved oxygen, pH value, ORP value etc.) feedback information, intelligent opening or valve-off are to aerator 52 air feed, a short distance nitration reactor 5 water outlet part delivers to micro-aerating regulation pond by reflux line 6, and remaining part is processed further by pipeline access second level anaerobic ammonia oxidation reactor 7; By second level anaerobic ammonia oxidation reactor 7 water outlet by pipeline access denitrification dephosphorization SBBR reactor 8, intelligence control system 14 open according to parameter preset or probe (liquid level gauge, dissolved oxygen, pH value, ORP value etc.) feedback information or valve-off to aerator 83 air feed, the draining of denitrification dephosphorization SBBR reactor 8 by the automatic Open valve of intelligence control system by outlet pipe 86 draining or manual drainage.
Sewage quality leading indicator COD (CODcr)≤90mg/L after said method process, five-day BOD (BOD
5)≤20mg/L, ammonia nitrogen≤15mg/L, total nitrogen≤30mg/L, total phosphorus≤3.0mg/L, suspension (SS)≤70mg/L, pH value 6-9.
Embodiment 2:
Yulin City plant, cultivation scale livestock on hand 5000 first-born pig, adopts dry clear excrement technique, day sewer 80 cubic metres.The major pollutants CODcr of sewage is 5000-700mg/L, and ammonia nitrogen is 600-1000mg/L, SS be 5000-8000mg/L, PH is 6-8.
Concrete operations flow process is as embodiment 1.
Adopt present invention process method and device process, technological process is the multiple tandem compound form of single group: collecting-tank+equipment for separating liquid from solid (1 cover)+micro-aerating regulation pond+first order anaerobic ammonia oxidation reactor (3 cover series connection)+short distance nitration reactor (1 cover)+second level anaerobic ammonia oxidation reactor (2 cover series connection)+denitrification dephosphorization SBBR reactor (2 covers are in parallel).
Sewage quality leading indicator COD (CODcr)≤85mg/L after said method process, five-day BOD (BOD
5)≤18mg/L, ammonia nitrogen≤10mg/L, total nitrogen≤20mg/L, total phosphorus≤2.0mg/L, suspension (SS)≤70mg/L, pH value 6-9.
Embodiment 3:
Yulin City plant, cultivation scale livestock on hand 12000 first-born pig, adopts dry clear excrement technique, day sewer 200 cubic metres.The major pollutants CODcr of sewage is 5000-750mg/L, and ammonia nitrogen is 700-1000mg/L, SS be 5000-8000mg/L, PH is 6-8.
Concrete operations flow process is as embodiment 1.
Adopt present invention process method and device process, technological process is the form of 2 groups of parallel connections, and wherein multiple tandem compounds of each group are: collecting-tank+equipment for separating liquid from solid (1 cover)+micro-aerating regulation pond+first order anaerobic ammonia oxidation reactor (3 cover series connection)+short distance nitration reactor (1 cover)+second level anaerobic ammonia oxidation reactor (2 cover series connection)+denitrification dephosphorization SBBR reactor (2 covers are in parallel)
Sewage quality leading indicator COD (CODcr)≤80mg/L after said method process, five-day BOD (BOD
5)≤15mg/L, ammonia nitrogen≤8mg/L, total nitrogen≤15mg/L, total phosphorus≤1.5mg/L, suspension (SS)≤70mg/L, pH value 6-9.
Claims (5)
1. a method for advanced treating livestock and poultry cultivation sewage, is characterized in that technological process is:
(1) elevator pump works according to liquid level gauge signal, livestock and poultry feces in collecting-tank is sent into livestock and poultry feces equipment for separating liquid from solid, start solid-liquid extruder, filter residue falls into hopper and stores as ready and make organic fertilizer, and filtrate enters micro-aerating regulation pond by overflow pipe and processes simultaneously;
(2) elevator pump in micro-aerating regulation pond is according to the work of liquid level gauge signal, and filtrate enters first order anaerobic ammonia oxidation reactor through water-locator, and intelligence control system intermittently starting or valve-off give the preaeration head air feed in micro-aerating regulation pond;
(3) short distance nitration reactor is sent in the water outlet of first order anaerobic ammonia oxidation reactor, intelligence control system determines when to aerator air feed according to parameter preset or probe feedback information, a water outlet part for short distance nitration reactor delivers to micro-aerating regulation pond, and remaining part is sent into second level anaerobic ammonia oxidation reactor and processed further;
(4) by second level anaerobic ammonia oxidation reactor water outlet access denitrification dephosphorization SBBR reactor, intelligence control system determines when to aerator air feed according to parameter preset or probe feedback information, and the draining of denitrification dephosphorization SBBR reactor controls draining or manual drainage by intelligence control system.
2. the method for a kind of advanced treating livestock and poultry cultivation sewage as claimed in claim 1, is characterized in that livestock and poultry feces equipment for separating liquid from solid main body is carbon steel material, rectangle cone bucket structure, and spraying bituminous epoxy paint is anticorrosion; Dismountable rain shade is arranged at the top of device, is provided with hopper in device, has solid-liquid extruder above hopper, and there is discharge shutter at the cone bucket end; The filter residue of solid-liquid extruder falls into hopper and stores as ready and make organic fertilizer, and filtrate enters the process of micro-aerating regulation pond.
3. the method for a kind of advanced treating livestock and poultry cultivation sewage as claimed in claim 1, is characterized in that anaerobic ammonia oxidation reactor main body is carbon steel material, rectangular closed formula structure, and reactor inner chamber spraying bituminous epoxy paint is anticorrosion; Dividing plate is had reactor inner chamber to be separated into room after ammoxidation cup and ammoxidation in reactor; After ammoxidation cup and ammoxidation, the bottom of room is all provided with water-locator, and top is all provided with water outlet weir notch, and after ammoxidation, the water outlet weir notch of room 3-10cm lower than the water outlet weir notch of ammoxidation cup, is provided with combined stuffing between water outlet weir notch and water-locator; Reactor water inlet pipe is communicated with the water-locator bottom ammoxidation cup, and the water outlet weir notch of ammoxidation cup is communicated with the water-locator bottom room after ammoxidation by pipeline; Reactor water outlet picks out from the water outlet weir notch of room after ammoxidation;
After the ammoxidation cup of anaerobic ammonia oxidation reactor and ammoxidation, methane outlet is all established in top, room, access security liquid packing after in parallel; Bottom room, residual cake valve is housed after ammoxidation cup and ammoxidation.
4. the method for a kind of advanced treating livestock and poultry cultivation sewage as claimed in claim 1, it is characterized in that short distance nitration reactor body is carbon steel material, rectangular closed formula structure, air exit is established at top, and reactor inner chamber spraying bituminous epoxy paint is anticorrosion; Dividing plate is had inner chamber to be separated into nitrated cup and nitrated rear room in reactor; The bottom of nitrated cup and nitrated rear room is all provided with aerator, is all provided with combined stuffing between aerator to effluent pipe mouth; Reactor water inlet pipe enters U-tube downwards from nitrated cup Upper vertical, and offer water hole bottom dividing plate and nitrated cup is communicated with nitrated rear room, reactor outlet pipe picks out outside reactor after top, nitrated rear room is introduced into a U-tube straight down; Residual cake valve is equiped with bottom nitrated cup and nitrated rear room.
5. the method for a kind of advanced treating livestock and poultry cultivation sewage as claimed in claim 1, is characterized in that the sewage quality leading indicator after processing reaches COD (CODcr)≤100mg/L, five-day BOD (BOD
5)≤30mg/L, ammonia nitrogen≤25mg/L, total nitrogen≤40mg/L, total phosphorus≤3.0mg/L, suspension (SS)≤70mg/L, pH value 6-9.
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| CN104817177B (en) * | 2015-05-17 | 2016-10-26 | 北京工业大学 | Integral anaerobic ammoxidation denitrification dephosphorization parallel connection short distance nitration processes the apparatus and method of Low-carbon Urban Wastewater |
| CN111646639A (en) * | 2020-05-25 | 2020-09-11 | 广东维清环境工程有限公司 | Breeding wastewater treatment process of pre-oxygenation-two-stage anaerobic membrane bioreactor |
| CN114180719A (en) * | 2021-12-21 | 2022-03-15 | 四川省宜宾五粮液集团有限公司 | Fermentation wastewater treatment system and method for treating fermentation wastewater |
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| CN102718360B (en) * | 2012-06-19 | 2015-09-30 | 蒲晓斌 | Integrated livestock and poultry cultivating wastewater purification method |
| CN102807302B (en) * | 2012-08-27 | 2014-04-23 | 广西玉林市大智环保工程有限公司 | Method for treating livestock and poultry breeding waste water |
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