CN110342729A - A kind of livestock breeding wastewater integration dephosphorization equipment and its treatment process - Google Patents
A kind of livestock breeding wastewater integration dephosphorization equipment and its treatment process Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 238000009395 breeding Methods 0.000 title claims abstract description 38
- 230000001488 breeding effect Effects 0.000 title claims abstract description 38
- 244000144972 livestock Species 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 title claims abstract description 25
- 230000010354 integration Effects 0.000 title claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000004064 recycling Methods 0.000 claims abstract description 17
- 239000010865 sewage Substances 0.000 claims abstract description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000855 fermentation Methods 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
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 239000003337 fertilizer Substances 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 239000010802 sludge Substances 0.000 claims description 11
- 159000000003 magnesium salts Chemical class 0.000 claims description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 9
- 239000004137 magnesium phosphate Substances 0.000 claims description 9
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 claims description 9
- 229960002261 magnesium phosphate Drugs 0.000 claims description 9
- 229910000157 magnesium phosphate Inorganic materials 0.000 claims description 9
- 235000010994 magnesium phosphates Nutrition 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- 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 6
- 238000009388 chemical precipitation Methods 0.000 claims description 6
- 238000006385 ozonation reaction Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 5
- 238000006396 nitration reaction Methods 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 241001453382 Nitrosomonadales Species 0.000 claims description 3
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 3
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 claims description 3
- 239000007900 aqueous suspension Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000010954 inorganic particle Substances 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002906 microbiologic effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 2
- 244000005700 microbiome Species 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000001556 precipitation Methods 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 244000144977 poultry Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052567 struvite Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 208000030852 Parasitic disease Diseases 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical group [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000003802 soil pollutant Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000002699 waste material 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
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Removal Of Specific Substances (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
A kind of livestock breeding wastewater integration dephosphorization equipment and its treatment process have developed a kind of integrated dephosphorization equipment, can greatly reduce occupation area of equipment, improve removal efficiency；Integrated dephosphorization equipment of the invention, can acquisition phosphoric acid ammonia precipitation rapidly and efficiently, be directly used as fertilizer in recycling in the integrated reactor, realize recycling, it is easy to operate, easy to install.Equipment and technique of the invention is not only able to achieve the pollutant removal of efficient stable while having efficient carbon and nitrogen removal, phosphorus ability；The present invention develops power self-support type sewage disposal technology and equipment, and the biogas generated in anaerobic fermentation tank is realizing reusing sewage simultaneously, realizing the technology of bioenergy recycling and oneself type for temperature needed for maintaining short distance nitration-anaerobic ammoxidation.
Description
Technical field
The invention belongs to livestock breeding wastewater dephosphorization field more particularly to a kind of strengthen livestock breeding wastewater denitrogenation dephosphorizing
Integrated dephosphorization equipment and its treatment process.
Background technique
In recent years, as China's economy, the continuous development of society, living standard improve rapidly, resident is to meat, egg food
Demand also increase sharply, domestic livestock and poultry breeding industry is in trend that is fast-developing and tending towards stability.Livestock and poultry breeding industry oneself gradually at
For growth point the most active and main pillar industry in China's agricultural economy.However, with farm's intensive degree
It improves, livestock and poultry cultivation discharge waste amount and its breeding wastewater of generation is caused to increase sharply all kinds of environmental problems that are caused also increasingly
It is prominent and serious.The source of breeding wastewater mainly includes that the flushing in residue, urine and the excrement and pig farm cleaning of feed is useless
Water, wherein flushing water occupies the major part of Pig raising wastewater, has the characteristics that high organic matter, high nitrogen, phosphorus concentration.However,
Nitrogen phosphorus is that the nutritional ingredient that crop needs will cause soil pollutant accumulation, water eutrophication, generation if improper use
The pernicious gases such as NH3, H2S to atmosphere pollution, cause livestock and poultry infect disease and parasitic disease sprawling, be detrimental to health.Cause
This, the scientific and reasonable processing of breeding wastewater and utilization are a great problem and a challenge.
The water quality characteristic of waste water of livestock poultry is that ammonia nitrogen, organic matter and concentration of suspension are very high, how to remove in waste water
Ammonia nitrogen in high density and phosphate are exactly difficult point place.The MAP precipitation method can not only be consolidated the ammonia in waste water in the form of sediment
It decides, and phosphorus can be fixed up, have many advantages, such as that convenient operation and management, ammonia nitrogen removal frank are high.Ammonium magnesium phosphate (MAP)
The precipitation method can remove ammonia nitrogen and phosphorus simultaneously, the waste water especially suitable for high ammonia nitrogen and phosphorus.Although the technique of the MAP precipitation method is more
Maturation, but it is less for the research of ammonium magnesium phosphate reactor, and especially performance is stable, efficient, consume energy low integrated reacting
The design of device.Therefore, the present invention proceeds from the reality, and devises integrated dephosphorization for the characteristics of livestock breeding wastewater high nitrogen phosphorus and sets
Standby and corresponding matched efficient carbon and nitrogen removal technique.
Traditional nitration denitrification treatment process needs additionally to add a large amount of organic carbon sources, very uneconomical, and for poultry
The characteristics of fowl breeding wastewater, treatment effect was also sufficiently stable.However, novel one anaerobic ammonia oxidation process of short distance nitration is in recent years
Come the novel biological denitrification process of the one kind developed, compared with one denitrification process of traditional biological denitrification process complete nitrification, tool
It is not required to additional organic matter and makees the advantages such as electron donor, low energy consumption for oxygen supply, additional neutralization medicament is few.
Therefore, for the These characteristics of livestock breeding wastewater and process requirements, have developed that a kind of performance is stable, low energy
Consumption, efficient integrated dephosphorization equipment and its matched processing livestock breeding wastewater technique, it is intended to research and develop power self-support
Type sewage disposal technology and equipment realize the target of reusing sewage and bioenergy recycling.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of livestock breeding wastewater integration dephosphorization equipment and its processing
Technique, performance stabilization, low energy consumption, high efficiency realize the target of reusing sewage and bioenergy recycling.
A kind of livestock breeding wastewater integration dephosphorization equipment, including center inner barrel and outer barrel, in equipment body portion centers
Cylinder and outer cylinder shape are circle；The center inner cylinder is reaction zone, settling zone and ammonium magnesium phosphate collecting region；The outer cylinder is
2 areas Ge Rongyao and 1 battery limits package center inner cylinder periphery be separated by different angle partition；The area 2 Ge Rongyao is interior
Portion is filled with the area magnesium salts Rong Yao and the area lye Rong Yao of magnesium salts and lye respectively；Battery limits are using two dosing pumps respectively by two
The area Rong Yao is connected with reaction zone；Cover board is equipped at the top of the area Rong Yao；It is provided with water inlet pipe between described two areas Rong Yao, into
Water pipe is connect with reaction zone；Diversion pipe and perforated plate are equipped between the reaction zone and settling zone, battery limits are provided with outlet pipe.
Further, the reaction zone is equipped with blender.
Further, the reaction zone is provided with online pH meter, the pH value that real-time control reaction needs, and pH maintains 9-10
Between.
Further, the settling zone bottom is equipped with ammonium magnesium phosphate (MAP) collecting region.
During the work time, sewage and magnesium salts, lye are directly entered dephosphorization reaction zone, quickly mix in the area；Sewage and
Medicament mixes rapidly under the action of blender in reaction zone diversion pipe, forms fine crystalline, and it is heavy then to be entered by perforated plate
Shallow lake area；Crystal seed collides in settling zone to be formed larger particles and forms precipitating sludge, as magnesium ammonium phosphate sediment under the effect of gravity,
It is discharged the outflow of reacted device top outlet pipe.
A kind for the treatment of process of livestock breeding wastewater body dephosphorization equipment, it is characterised in that include the following steps:
Step 1: livestock breeding wastewater enters pretreatment unit, the preliminary grit and biggish inorganic particle removed in waste water
Object；
Step 2: pretreatment unit water outlet enters integrated dephosphorizing reactor, realizes livestock breeding wastewater by chemical precipitation method
The guanite of phosphorus recycling, generation is used for fertilizer, realizes resource recycling；
Step 3: integrated dephosphorizing reactor water outlet enters anaerobic fermentation tank, and the biogas of generation provides short distance nitration-as the energy
Temperature required for Anammox reacts；
Step 4: the supernatant of anaerobic fermentation enters aerobic zone, and waste water realizes short distance nitration through aerobic zone, by ammonia nitrogen Partial Conversion
The fixation bed fillers that reaction zone dischargeable capacity 30%-70% is loaded for nitrite nitrogen, while in aerobic zone, for improving microorganism
The accounting of degradation rate and Nitrosomas；Aerobic zone water outlet enters settling zone, realizes mud-water separation；Settling zone water outlet enters anaerobism
Ammonia nitrogen and nitrite nitrogen are directly reacted to nitrogen under the action of anaerobic ammonia oxidation microbiological by ammoxidation reaction area.
Step 5: the sludge of settling zone flows back into aerobic zone through stripping tube, guarantees the sludge concentration of aerobic zone, reflux ratio 50-
100%。
Step 6: Anammox reaction zone is discharged after the mud-water separation of three phase separator, into subsequent individual settling zone,
Separate anaerobic ammonia oxidizing bacteria and water outlet thoroughly, so that aqueous suspension is up to standard out；
Step 7: in order to which further such that water outlet reaches reuse standard, secondary clarifier effluent enters advanced treatment unit, further drops
Low pollution object concentration；
Step 8: the water outlet of advanced treatment unit directly can be used for cultivating the reuse pool of place after sterilization pool.
Further, pretreatment unit in step (1), first passes through homogeneous conditioning tank, increases the stability of entire technique；Using
Grid removes inorganic grit and biggish suspended material；
Further, step (2) ammonium magnesium phosphate (MAP) chemical precipitation method, required Mg salt use MgCl2, MgSO4, MgO
One of；
Further, the sludge of settling zone is by way of stripping reflux in step (5), regurgitant volume 50%-200%；
Further, advanced treatment unit uses Fenton process, Ozonation in step (7)；Advanced treatment unit is in Fenton process
Or Ozonation after biological aerated filter is added, further by after oxidation short chain and small-molecule substance thoroughly become
Inorganic matter；
Further, the disinfection in step (8) uses ultraviolet disinfection or sodium hypochlorite；
The present invention provides a kind of livestock breeding wastewater integration dephosphorization equipment and its treatment process, with existing technique phase
Than, it has the advantages that the characteristics of present invention is for livestock breeding wastewater, has developed a kind of integrated dephosphorization equipment,
Occupation area of equipment can be greatly reduced, improve removal efficiency；Integrated dephosphorization equipment of the invention, can acquisition rapidly and efficiently
Phosphoric acid ammonia precipitation is directly used as fertilizer in recycling in the integrated reactor, realizes recycling, easy to operate, easy to install.This
The equipment and technique of invention are not only able to achieve the pollutant removal of efficient stable while having efficient carbon and nitrogen removal, phosphorus ability；This
Invention develops power self-support type sewage disposal technology and equipment, and the biogas generated in anaerobic fermentation tank is for maintaining short distance nitre
Temperature needed for change-Anammox is realizing reusing sewage simultaneously, is realizing the technology of bioenergy recycling and oneself type.
Detailed description of the invention
Fig. 1 is equipment schematic diagram structural schematic diagram of the invention；
Fig. 2 is the equipment area magnesium salts Rong Yao side the schematic diagram of the section structure of the invention；
Fig. 3 is the equipment area lye Rong Yao side the schematic diagram of the section structure of the invention；
Fig. 4 is processing technological flow figure of the invention；
In figure: 1, the area magnesium salts Rong Yao；2, the area lye Rong Yao；3, dosing pump；4, battery limits；5, water inlet pipe；6, outlet pipe；7, it stirs
Mix machine；8, reaction zone；9, cover board；10, settling zone；11, ammonium magnesium phosphate collecting region；12, pretreatment unit；13, integrated dephosphorization
Reactor；14, anaerobic fermentation tank；15, aerobic zone；16, Anammox reaction zone；17, advanced treatment unit；18, sterilization pool；
19, reuse pool.
Specific embodiment
Below in conjunction with attached drawing and preferred embodiment, to provide according to the present invention specific embodiment, structure, feature and its
Effect, detailed description is as follows.
A kind of livestock breeding wastewater integration dephosphorization equipment, including center inner barrel and outer barrel, equipment body portion centers inner cylinder and
Outer cylinder shape is circle；The center inner cylinder is reaction zone 8, settling zone 10 and ammonium magnesium phosphate collecting region 11；The outer cylinder
It is that center inner cylinder periphery is wrapped up in the area Liang Gerongyao being separated by different angle partition and a battery limits 4；Described two molten medicines
Area is the area magnesium salts Rong Yao 1 and the area lye Rong Yao 2 that inside is filled with magnesium salts and lye respectively；Battery limits use two dosing pumps 3
The area Liang Gerongyao is connected with reaction zone respectively；Cover board 9 is equipped at the top of the area Rong Yao；It is arranged between described two areas Rong Yao
There is water inlet pipe 5, water inlet pipe is connect with reaction zone；Diversion pipe and perforated plate, battery limits are equipped between the reaction zone and settling zone
It is provided with outlet pipe 6.
Further, the reaction zone is equipped with blender 7.
Further, the reaction zone is provided with online pH meter, the pH value that real-time control reaction needs, and pH maintains 9-10
Between.
Further, the settling zone bottom is equipped with ammonium magnesium phosphate (MAP) collecting region.
During the work time, sewage and magnesium salts, lye are directly entered dephosphorization reaction zone, quickly mix in the area；Sewage and medicament
It is mixed rapidly under the action of blender in reaction zone diversion pipe, forms fine crystalline, settling zone is then entered by perforated plate；
Crystal seed collides in settling zone to be formed larger particles and forms precipitating sludge, as magnesium ammonium phosphate sediment under the effect of gravity, is discharged
The outflow of reacted device top outlet pipe.
A kind for the treatment of process of livestock breeding wastewater body dephosphorization equipment, it is characterised in that include the following steps:
Step 1: livestock breeding wastewater enters pretreatment unit 12, the preliminary grit and biggish inorganic particle removed in waste water
Object；
Step 2: pretreatment unit water outlet enters integrated dephosphorizing reactor 13, realizes livestock breeding wastewater by chemical precipitation method
Phosphorus recycling, the guanite of generation is used for fertilizer, realizes resource recycling；
Step 3: integrated dephosphorizing reactor water outlet enters anaerobic fermentation tank 14, and the biogas of generation provides short distance nitre as the energy
Temperature required for change-Anammox reacts；
Step 4: the supernatant of anaerobic fermentation enters aerobic zone 15, and waste water realizes short distance nitration through aerobic zone, and ammonia nitrogen part is turned
Nitrite nitrogen is turned to, while loading the fixation bed fillers of reaction zone dischargeable capacity 30%-70% in aerobic zone, for improving micro- life
The accounting of object degradation rate and Nitrosomas；Aerobic zone water outlet enters settling zone, realizes mud-water separation；Settling zone water outlet, which enters, to be detested
Ammonia nitrogen and nitrite nitrogen are directly reacted to nitrogen under the action of anaerobic ammonia oxidation microbiological by anaerobic ammonium oxidation reaction zone.
Step 5: the sludge of settling zone flows back into aerobic zone through stripping tube, guarantees the sludge concentration of aerobic zone, reflux ratio 50-
100%。
Step 6: Anammox reaction zone 16 is discharged after the mud-water separation of three phase separator, into subsequent individual precipitating
Area separates anaerobic ammonia oxidizing bacteria and water outlet thoroughly, so that aqueous suspension is up to standard out；
Step 7: in order to which further such that water outlet reaches reuse standard, secondary clarifier effluent enters advanced treatment unit, further drops
Low pollution object concentration；
Step 8: the water outlet of advanced treatment unit 17 directly can be used for cultivating the reuse pool of place after sterilization pool 18
19。
Further, pretreatment unit in step (1), first passes through homogeneous conditioning tank, increases the stability of entire technique；Using
Grid removes inorganic grit and biggish suspended material；
Further, step (2) ammonium magnesium phosphate (MAP) chemical precipitation method, required Mg salt use MgCl2, MgSO4, MgO
One of；
Further, the sludge of settling zone is by way of stripping reflux in step (5), regurgitant volume 50%-200%；
Further, advanced treatment unit uses Fenton process, Ozonation in step (7)；Advanced treatment unit is in Fenton process
Or Ozonation after biological aerated filter is added, further by after oxidation short chain and small-molecule substance thoroughly become
Inorganic matter；
Further, the disinfection in step (8) uses ultraviolet disinfection or sodium hypochlorite；
The present invention provides a kind of livestock breeding wastewater integration dephosphorization equipment and its treatment process, with existing technique phase
Than, it has the advantages that the characteristics of present invention is for livestock breeding wastewater, has developed a kind of integrated dephosphorization equipment,
Occupation area of equipment can be greatly reduced, improve removal efficiency；Integrated dephosphorization equipment of the invention, can acquisition rapidly and efficiently
Phosphoric acid ammonia precipitation is directly used as fertilizer in recycling in the integrated reactor, realizes recycling, easy to operate, easy to install.This
The equipment and technique of invention are not only able to achieve the pollutant removal of efficient stable while having efficient carbon and nitrogen removal, phosphorus ability；This
Invention develops power self-support type sewage disposal technology and equipment, and the biogas generated in anaerobic fermentation tank is for maintaining short distance nitre
Temperature needed for change-Anammox is realizing reusing sewage simultaneously, is realizing the technology of bioenergy recycling and oneself type.
Of the invention is described in detail above by embodiment, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (10)
1. a kind of livestock breeding wastewater integration dephosphorization equipment, including center inner barrel and outer barrel, equipment body portion centers inner cylinder
It is circle with outer cylinder shape；The center inner cylinder is reaction zone, settling zone and ammonium magnesium phosphate collecting region；The outer cylinder be by
2 areas Ge Rongyao and 1 battery limits package center inner cylinder periphery that different angle partition is separated into；The area 2 Ge Rongyao is inside
It is filled with the area magnesium salts Rong Yao and the area lye Rong Yao of magnesium salts and lye respectively；Battery limits are molten by two respectively using two dosing pumps
Medicine area is connected with reaction zone；Cover board is equipped at the top of the area Rong Yao；It is provided with water inlet pipe between described two areas Rong Yao, is intake
Pipe is connect with reaction zone；Diversion pipe and perforated plate are equipped between the reaction zone and settling zone, battery limits are provided with outlet pipe.
2. a kind of livestock breeding wastewater integration dephosphorization equipment according to claim 1, it is characterised in that: the reaction
Area is equipped with blender.
3. a kind of livestock breeding wastewater integration dephosphorization equipment according to claim 1, it is characterised in that: the reaction
Area is provided with online pH meter, the pH value that real-time control reaction needs, and pH is maintained between 9-10.
4. a kind of livestock breeding wastewater integration dephosphorization equipment according to claim 1, it is characterised in that: the precipitating
Area bottom is equipped with ammonium magnesium phosphate (MAP) collecting region.
5. a kind for the treatment of process of livestock breeding wastewater body dephosphorization equipment, it is characterised in that include the following steps:
Step 1: livestock breeding wastewater enters pretreatment unit, the preliminary grit and biggish inorganic particle removed in waste water
Object；
Step 2: pretreatment unit water outlet enters integrated dephosphorizing reactor, realizes livestock breeding wastewater by chemical precipitation method
The guanite of phosphorus recycling, generation is used for fertilizer, realizes resource recycling；
Step 3: integrated dephosphorizing reactor water outlet enters anaerobic fermentation tank, and the biogas of generation provides short distance nitration-as the energy
Temperature required for Anammox reacts；
Step 4: the supernatant of anaerobic fermentation enters aerobic zone, and waste water realizes short distance nitration through aerobic zone, by ammonia nitrogen Partial Conversion
The fixation bed fillers that reaction zone dischargeable capacity 30%-70% is loaded for nitrite nitrogen, while in aerobic zone, for improving microorganism
The accounting of degradation rate and Nitrosomas；Aerobic zone water outlet enters settling zone, realizes mud-water separation；Settling zone water outlet enters anaerobism
Ammonia nitrogen and nitrite nitrogen are directly reacted to nitrogen under the action of anaerobic ammonia oxidation microbiological by ammoxidation reaction area；
Step 5: the sludge of settling zone flows back into aerobic zone through stripping tube, guarantees the sludge concentration of aerobic zone, reflux ratio 50-
100%；
Step 6: Anammox reaction zone is discharged after the mud-water separation of three phase separator, into subsequent individual settling zone,
Separate anaerobic ammonia oxidizing bacteria and water outlet thoroughly, so that aqueous suspension is up to standard out；
Step 7: in order to which further such that water outlet reaches reuse standard, secondary clarifier effluent enters advanced treatment unit, further drops
Low pollution object concentration；
Step 8: the water outlet of advanced treatment unit directly can be used for cultivating the reuse pool of place after sterilization pool.
6. a kind for the treatment of process of livestock breeding wastewater body dephosphorization equipment according to claim 5, it is characterised in that: step
Suddenly pretreatment unit in (1), first passes through homogeneous conditioning tank, increases the stability of entire technique；Using grid, inorganic sand is removed
Gravel and biggish suspended material.
7. a kind for the treatment of process of livestock breeding wastewater body dephosphorization equipment according to claim 5, it is characterised in that: step
Suddenly (2) ammonium magnesium phosphate (MAP) chemical precipitation method, required Mg salt is using one of MgCl2, MgSO4, MgO.
8. a kind for the treatment of process of livestock breeding wastewater body dephosphorization equipment according to claim 5, it is characterised in that: step
Suddenly the sludge of settling zone is by way of stripping reflux in (5), regurgitant volume 50%-200%.
9. a kind for the treatment of process of livestock breeding wastewater body dephosphorization equipment according to claim 5, it is characterised in that: step
Suddenly advanced treatment unit uses Fenton process, Ozonation in (7)；Advanced treatment unit Fenton process or Ozonation it
After biological aerated filter is added, further by after oxidation short chain and small-molecule substance thoroughly become inorganic matter.
10. a kind of integrated stabilization pond equipment for handling distributed sewage according to claim 1, it is characterised in that: step
Suddenly the disinfection in (8) uses ultraviolet disinfection or sodium hypochlorite.
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| CN111285557A (en) * | 2020-03-28 | 2020-06-16 | 长江大学 | Livestock and poultry breeding wastewater treatment device and method |
| CN111498993A (en) * | 2020-04-24 | 2020-08-07 | 重庆丛贤环保科技有限公司 | Intensive upflow integrated reactor and reaction control system thereof |
| CN115893767A (en) * | 2023-01-06 | 2023-04-04 | 中国水产科学研究院黄海水产研究所 | Circulating aquaculture system capable of synchronously removing nitrogen and phosphorus in water |
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Application publication date: 20191018 |