CN107200431A - A kind of Pig raising wastewater deep treatment method - Google Patents

A kind of Pig raising wastewater deep treatment method Download PDF

Info

Publication number
CN107200431A
CN107200431A CN201710405113.3A CN201710405113A CN107200431A CN 107200431 A CN107200431 A CN 107200431A CN 201710405113 A CN201710405113 A CN 201710405113A CN 107200431 A CN107200431 A CN 107200431A
Authority
CN
China
Prior art keywords
pond
pig raising
ponds
raising wastewater
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710405113.3A
Other languages
Chinese (zh)
Inventor
杨圣云
熊鹰
华河林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Wei Qing Environmental Engineering Co Ltd
Original Assignee
Guangdong Wei Qing Environmental Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Wei Qing Environmental Engineering Co Ltd filed Critical Guangdong Wei Qing Environmental Engineering Co Ltd
Priority to CN201710405113.3A priority Critical patent/CN107200431A/en
Publication of CN107200431A publication Critical patent/CN107200431A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/20Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/78Treatment of water, waste water, or sewage by oxidation with ozone
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/101Sulfur compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/32Hydrocarbons, e.g. oil
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/2846Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/308Biological phosphorus removal
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00Aeration of stretches of water
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The invention discloses a kind of Pig raising wastewater deep treatment method, comprise the following steps:Pig raising wastewater is passed through solid-liquid separating machine and carries out separation of solid and liquid, waste residue and waste liquid is obtained;The waste liquid for making separation of solid and liquid obtain sequentially passes through regulating reservoir, upflow anaerobic sludge blanket reactor, aeration stripping pond, anaerobic precipitation pond, at least an A/O ponds, MBR ponds, dephosphorization reaction tank, whole sedimentation basin and catalytic ozonation pond, obtains water purification up to standard.The present invention being capable of deep purifying Pig raising wastewater, it is ensured that the cleanliness factor for the water purification finally discharged, and reduces the pollution to environment, clean environment firendly.

Description

A kind of Pig raising wastewater deep treatment method
Technical field
The present invention relates to a kind of processing method of Pig raising wastewater.
Background technology
Pig industry is the important component of China's rural economy, at the same be also rural environmental pollution main source it One, Pig raising wastewater belongs to typical " three high " waste water, i.e., high organic concentration, high suspended matter, high concentration of nitrogen and phosphorus, complicated component, Very big difficulty is caused to processing up to standard.
Current Pig raising wastewater processing is main based on " anaerobism+aerobic " technique, but only by the biochemical process such as SBR, AO without Method ensures that water outlet nitrogen phosphorus is up to standard, and most of technique has the problem of construction cost is high, operation maintenance is difficult, causes many engineerings Do not reach design requirement or left unused after building, and the profit level of pig industry is low, causes pig farm pollution control measure It is difficult to promote, causes greatly pollution to social environment and damage.
The shortcoming that existing Pig raising wastewater processing method is present at present is as follows:
1st, ammonia nitrogen removal effect is poor, and most is only nitrate nitrogen by mineralized nitrogen, and complete denitrification process is not implemented;
2nd, water outlet total phosphorus is not often up to standard, can not be by the near discharge standard of phosphorus content because depending merely on biochemical spoil disposal;
3rd, water outlet color dark brown, and with certain peculiar smell.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of clean environment firendly, water purification matter can be effectively improved The Pig raising wastewater deep treatment method of amount.
The present invention is for the technical scheme that uses of its technical problem of solution:
A kind of Pig raising wastewater deep treatment method, comprises the following steps:
Pig raising wastewater is passed through solid-liquid separating machine and carries out separation of solid and liquid, waste residue and waste liquid is obtained;Make what separation of solid and liquid was obtained Waste liquid sequentially pass through regulating reservoir, upflow anaerobic sludge blanket reactor, aeration stripping pond, anaerobic precipitation pond, an at least A/O ponds, MBR ponds, dephosphorization reaction tank, whole sedimentation basin and catalytic ozonation pond, obtain water purification up to standard.
It is preferred that, the step also includes:Before Pig raising wastewater is passed through into solid-liquid separating machine, Pig raising wastewater is carried out pre- Filtering.
It is preferred that, the step also includes:Before Pig raising wastewater is passed through into solid-liquid separating machine, first Pig raising wastewater is passed through In collecting-tank and the Pig raising wastewater in collecting-tank is stirred using agitating device or aerator.
It is preferred that, the quantity in described A/O ponds is two, is respectively activated sludge formula A/O ponds according to the order that flows through of waste liquid With catalytic oxidation formula A/O ponds, the step also includes:By the segregation of waste in the regulating reservoir to described catalytic oxidation formula A/ In O ponds.
It is preferred that, described activated sludge formula A/O ponds include the first anoxic pond and the first Aerobic Pond, first anoxic pond Volumetric ratio with the first Aerobic Pond is 1:1.5, the flow velocity of waste liquid is more than or equal to 0.2m/s, the first Aerobic Pond in the first anoxic pond The dissolved oxygen amount of interior waste liquid be 2mg/L, reflux ratio from the first Aerobic Pond to the first anoxic pond be 250%;Described catalytic oxidation formula A/O ponds include the second anoxic pond and the second Aerobic Pond, and the volumetric ratio of the second anoxic pond and the second Aerobic Pond is 1:1.5, second lacks The flow velocity of waste liquid is more than or equal to 0.2m/s in oxygen pond, and the dissolved oxygen amount of waste liquid is 2mg/L in the second Aerobic Pond, the second Aerobic Pond to The reflux ratio of second anoxic pond is 300%;Waste liquid is in the stop that the activated sludge is in A/O ponds and catalytic oxidation formula A/O ponds Time scale is 1:1.5.
It is preferred that, described step also includes, and the waste liquid in MBR ponds is back to described A/O with 300% reflux ratio Pond.
It is preferred that, gas after gas and water separator and desulfurizer via obtaining clean biogas.
It is preferred that, described step also includes:By described upflow anaerobic sludge blanket reactor, anaerobic precipitation pond, MBR Sludge in pond and whole sedimentation basin is periodically discharged into sludge concentration tank, and the clear liquid in sludge concentration tank is discharged into described regulation Pond.
It is preferred that, described step also includes:The waste residue that sludge and solid-liquid separating machine in sludge concentration tank is isolated It is discharged into excrement slag muck fermentation.
The beneficial effects of the invention are as follows:In the present invention, Pig raising wastewater can be separated into waste residue and waste liquid by solid-liquid separating machine, Waste residue can be used as organic fertilizer, and waste liquid then enters regulating reservoir, homogeneous even amount can be carried out in regulating reservoir, then sequentially Anaerobic fermentation, which is carried out, into upflow anaerobic sludge blanket reactor removes part COD, into aeration stripping pond and anaerobic precipitation pond The hydrogen sulfide dissolved in water and methane are removed, COD and ammonia nitrogen are further removed into A/O ponds, removes difficult degradation into MBR ponds COD, into dephosphorization reaction tank and whole sedimentation basin total phosphorus and remaining a little COD and ammonia nitrogen are removed, finally enter ozone catalytic oxygen Change coloured groups in the oxidation removal water of pond, thus, it is possible to deep purifying Pig raising wastewater, it is ensured that the cleanliness factor for the water purification finally discharged, Reduce the pollution to environment, clean environment firendly.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the schematic flow sheet of the present invention.
Embodiment
A kind of reference picture 1, Pig raising wastewater deep treatment method, comprises the following steps:Pig raising wastewater is passed through separation of solid and liquid Machine 30 carries out separation of solid and liquid, obtains waste residue and waste liquid;The waste liquid for making separation of solid and liquid obtain, which sequentially passes through regulating reservoir 41, up flow type, to be detested Oxygen sludge bed reactor 42, aeration stripping pond 43, anaerobic precipitation pond 44, an at least A/O ponds, MBR ponds 53, dephosphorization reaction tank 54, Whole sedimentation basin 61 and catalytic ozonation pond 62, obtain water purification up to standard.In the present invention, solid-liquid separating machine 30 can be by Pig raising wastewater Waste residue and waste liquid are separated into, waste residue can be used as organic fertilizer, waste liquid then enters regulating reservoir 41, can be in regulating reservoir 41 Homogeneous even amount is carried out, then sequentially enters upflow anaerobic sludge blanket reactor 42 and carries out anaerobic fermentation removal part COD, enters Aeration stripping pond 43 and anaerobic precipitation pond 44 remove the hydrogen sulfide dissolved in water and methane, COD is further removed into A/O ponds and Ammonia nitrogen, the COD for removing into MBR ponds 53 difficult degradation, into dephosphorization reaction tank 54 and whole sedimentation basin 61 remove total phosphorus and remaining A little COD and ammonia nitrogen, finally enter coloured groups in the oxidation removal water of catalytic ozonation pond 62, are supported thus, it is possible to deep purifying Pig waste water, it is ensured that the cleanliness factor for the water purification finally discharged, reduces the pollution to environment, clean environment firendly.
Solid-liquid separating machine 30, regulating reservoir 41, upflow anaerobic sludge blanket reactor 42, aeration stripping pond 43, anaerobic precipitation Application is wide in the art for pond 44, A/O ponds, MBR ponds 53, dephosphorization reaction tank 54, whole sedimentation basin 61 and catalytic ozonation pond 62 General, its structure and principle are known for those skilled in the art, and with a variety of different structures and type, can in practical application Flexibly to select as needed, it is not described further separately herein.
In the present embodiment, solid-liquid separating machine 30 employs screen cloth spiral squeezing type structure, and mesh size 1mm filters load 10~20m3/(m2H), urinated mainly for separating of pig manure pig, it is adaptable to the separation of solid and liquid demand of Pig raising wastewater, it is certainly, actual to answer In, solid-liquid separating machine 30 also can select other conventional structures, it is not limited to this.Regulating reservoir 41 is used for regulating water quality water In amount, the present embodiment, perforated pipe aerating regulation system, 3~5m of aeration quantity are provided with regulating reservoir 413/(m2H) perforation tube pitch cloth 800~1000mm of spacing, 6~8mm of piercing aperture, pitch of holes 150mm are put, oblique 45 ° symmetrical, 5~8m/ of perforate design current velocity S, it is ensured that the homogeneous even amount of waste liquid in regulating reservoir 41, certainly, in practical application, solid-liquid separating machine 30 and regulating reservoir 41 also can bases Need to select other conventional structures, it is not limited to this.
Upflow anaerobic sludge blanket reactor 42 is also known as USAB, can be useless to rising using the high concentration sludge bed of its bottom Water carries out upflow anaerobic sludge blanket reactor 42 in efficient Anaerobic Treatment, the present embodiment and uses cylinder form, ratio of height to diameter 1:Between 1.2~1.5,2~3d of hydraulic detention time, the flow control that rises overally is in 0.6~0.8m/h;Up-flow anaerobic sludge Bed inside reactor sets water-distributing device and three phase separator each a set of.Water-distributing device manages dendritic water distribution, water distributing pore using UPVC Footpath 25mm, single-point service area about 2.5m2, water distributing pore exit velocity > 2m/s;Three phase separator uses carbon steel anti-corrosion material.Rise Flow anaerobic sludge bed reactor sets external circulation water pump, and circulation tube inlet is in three phase separator bottom 0.5m, outlet access cloth Water installations.Up flow anaerobic sludge blanket reactor top liquid level sets biogas at the top of annular downflow weir, three phase separator to pass through receipts Collector accesses positive/negative pressure protector, and the biogas produced in Anaerobic Treatment is obtained via after gas and water separator 71 and desulfurizer 72 To clean biogas, these clean biogas can be stored in methane bag or tank for sewage gas, or are used for external devices such as biogas generators, Energy-conserving and environment-protective.
Aeration stripping pond 43 is mainly used in the toxic gases such as hydrogen sulfide, the methane dissolved in removal waste liquid, for major part In the component for the waste liquid that Pig raising wastewater is isolated, the present embodiment, waste liquid residence time 2h in aeration stripping pond 43 inside sets perforation Aerating system is a set of, aeration quantity:4~6m3/(m2H), perforation tube pitch arrangement 600~800mm of spacing, piercing aperture 6~ 8mm, pitch of holes 150mm, oblique 45 ° symmetrical, and perforate 6~10m/s of design current velocity can effectively remove hydrogen sulfide, methane etc. Toxic gas.
Anaerobic precipitation pond 44 is mainly used in precipitating the suspension in waste liquid, it is to avoid produce shadow to follow-up aerobe system Ring, the waste liquid component discharged for aeration stripping pond 43, in the present embodiment, anaerobic precipitation pond 44 uses vertical-flow whole sedimentation basin 61,0.3~0.5m of precipitation load3/(m2H), between the deep 4~6m in the whole pond of sedimentation basin 61, typically it is advisable with 4.5m;Bottom is set Bucket, 50 ° of bucket gradient >, 2.0~2.5m of bucket height;Top sets annular downflow weir, downflow weir load < 1.0L/ (m2S), the crest of weir of downflow weir falls 90 ° of openings, and middle part sets flow velocity in central tube, central tube to take 0.02m/s.
Step in the present invention also includes:Before Pig raising wastewater is passed through into solid-liquid separating machine 30, Pig raising wastewater is carried out Pre-filtering, can remove the debris in Pig raising wastewater, prevent from blocking in solid-liquid separating machine 30, the present embodiment, employ grid canal 10 carry out setting thick barrier and fine fack, grid pitch 10mm, for intercepting flask for medicinal preparations, gloves etc. in pre-filtering, grid canal 10 Thick debris;Fine fack pitch 3mm, for intercepting the tiny debris such as nylon rope, vas deferens;Thickness twice grid arranges spacing 0.8m, with excellent, reliable filter effect, and it is simple in construction, it is easy to process and assemble, certainly, in practical application, can also adopts Pre-filtering is carried out with other structures such as conventional screen packs.
The step of the present invention also includes:Before Pig raising wastewater is passed through into solid-liquid separating machine 30, first Pig raising wastewater is passed through In collecting-tank 20 and the Pig raising wastewater in collecting-tank 20 is stirred using agitating device or aerator, in use can first by Pig raising wastewater is stored in collecting-tank 20, when the Pig raising wastewater of storage reaches scheduled volume after being carried out by solid-liquid separating machine 30 Continuous processing, helps to reduce energy consumption, and Pig raising wastewater is stirred in addition, stirring system can be set in collecting-tank 20, prevented Solid content deposition in Pig raising wastewater, in the present embodiment, by collecting-tank 20 be arranged on grid canal 10 and solid-liquid separating machine 30 it Between, rubbish incidental can be avoided to be resulted in blockage into collecting-tank 20, when Pig raising wastewater is to do cleaning up excrement, water to rush excrement wastewater disposal basin, stirred The system of mixing can use the mechanical agitation of vertical mixer, and agitating function generally may be configured as 20w/m3,, when Pig raising wastewater is bubble Stirring system then can be using boring aeration stirring during excrement waste water.
In the present invention, the quantity in A/O ponds is two, is respectively the He of activated sludge formula A/O ponds 51 according to the order that flows through of waste liquid Catalytic oxidation formula A/O ponds 52, step also includes:, can by the segregation of waste in regulating reservoir 41 to catalytic oxidation formula A/O ponds 52 Utilize the deficiency of the internal carbon source of organic matter supplement catalytic oxidation formula A/O ponds 52 of waste liquid in regulating reservoir 41, it is ensured that catalytic oxidation formula A/O Nitrification/anti-nitration reaction is smoothed out in pond 52, without additional carbon, Nitrogen/Phosphorus Removal has been effectively ensured, and reduce Operating cost, is conveniently promoted the use of.Also, after being reacted by activated sludge formula A/O ponds 51, the COD in waste liquid is obtained Effectively remove, carbon content is substantially reduced, and catalytic oxidation formula A/O ponds 52 afterwards employ biological contact oxidation process, can adapt to The requirement of high denitrogenation under low ratio of carbon to ammonium, effective denitrogenation processing is carried out to waste liquid.
In the present embodiment, activated sludge formula A/O ponds 51 include the first anoxic pond and the first Aerobic Pond, the first anoxic pond and the The volumetric ratio of one Aerobic Pond is 1:1.5, the flow velocity of waste liquid is more than or equal in 0.2m/s, the first Aerobic Pond and given up in the first anoxic pond The dissolved oxygen amount of liquid be 2mg/L, reflux ratio from the first Aerobic Pond to the first anoxic pond be 250%;Catalytic oxidation formula A/O ponds 52 include The volumetric ratio of second anoxic pond and the second Aerobic Pond, the second anoxic pond and the second Aerobic Pond is 1:1.5, waste liquid in the second anoxic pond Flow velocity be more than or equal to 0.2m/s, the dissolved oxygen amount of waste liquid is 2mg/L in the second Aerobic Pond, and the second Aerobic Pond is to the second anoxic pond Reflux ratio be 300%;Residence time ratio of the waste liquid in activated sludge formula A/O ponds 51 and catalytic oxidation formula A/O ponds 52 be 1:1.5.Operation that can be steady in a long-term, effectively removes the COD and ammonia nitrogen in waste liquid, reaches excellent water inlet effect.In addition, this In embodiment, waste liquid 2.25~2.5d of residence time in activated sludge formula A/O ponds 51 is made, in catalytic oxidation formula A/O ponds 52 Residence time be 1.9~2.3d, this is examined through Practical Project, can be realized to the optimal denitrification effect of Pig raising wastewater,
Step in the present invention also includes, and the waste liquid in MBR ponds 53 is back into A/O ponds, MBR with 300% reflux ratio Pond 53 is able to maintain that the activated sludge of high concentration, and can filter most suspension, bacterium, goes out water clarity very Good, the environment of low ratio of carbon to ammonium makes nitrifier herein more active, and a large amount of mineralized nitrogens are nitrate nitrogen, and by MBR ponds 53 Waste reflux to A/O ponds carry out denitrification, nitrate nitrogen can be changed into nitrogen, realize complete denitrification functions.
Step in the present invention also includes:By upflow anaerobic sludge blanket reactor 42, anaerobic precipitation pond 44, MBR ponds 53 Periodically it is discharged into sludge concentration tank 81 with the sludge in whole sedimentation basin 61, the clear liquid in sludge concentration tank 81 is discharged into regulating reservoir 41, blocking can be avoided the occurrence of, clear liquid can also be again introduced into regulating reservoir 41 and be handled, effectively pollution of the reduction to environment.
It is preferred that, step also includes:The waste residue row that sludge in sludge concentration tank 81 and solid-liquid separating machine 30 are isolated Enter excrement slag muck 82 to ferment, can more effectively use, effectively reduce as organic fertilizer after these waste residues and sludge fermentation Pollution to environment, energy-conserving and environment-protective.
Dephosphorization reaction tank 54 is used to remove the total phosphorus in sewage, is put on demand accordingly into dephosphorization reaction tank 54 when using PAM and Dephosphorization reagent, can effectively reduce the phosphorus content in water inlet, reduce pollution to water quality.Whole sedimentation basin 61 is used to sink Formed sediment the flco for removing and being formed in dephosphorization reaction tank 54, and phosphorous flco is removed by spoil disposal.The Nei Zeketong of catalytic ozonation pond 62 Cross ozone generator etc. and be passed through ozone, the coloured groups in waste liquid are removed by ozone, reduce effluent color dilution, kill virus, have Effect improves the cleanliness factor of water outlet.
The preferred embodiments of the present invention are the foregoing is only, as long as realizing the skill of the object of the invention with essentially identical means Art scheme is belonged within protection scope of the present invention.

Claims (9)

1. a kind of Pig raising wastewater deep treatment method, it is characterised in that comprise the following steps:
Pig raising wastewater is passed through solid-liquid separating machine (30) and carries out separation of solid and liquid, waste residue and waste liquid is obtained;Make what separation of solid and liquid was obtained Waste liquid sequentially passes through regulating reservoir (41), upflow anaerobic sludge blanket reactor (42), aeration stripping pond (43), anaerobic precipitation pond (44), an at least A/O ponds, MBR ponds (53), dephosphorization reaction tank (54), whole sedimentation basin (61) and catalytic ozonation pond (62), obtain To water purification up to standard.
2. a kind of Pig raising wastewater deep treatment method according to claim 1, it is characterised in that the step also includes: Before Pig raising wastewater to be passed through to solid-liquid separating machine (30), pre-filtering is carried out to Pig raising wastewater.
3. a kind of Pig raising wastewater deep treatment method according to claim 1, it is characterised in that the step also includes: Before Pig raising wastewater to be passed through to solid-liquid separating machine (30), first Pig raising wastewater is passed through in collecting-tank (20) and agitating device is utilized Or aerator stirs the Pig raising wastewater in collecting-tank (20).
4. a kind of Pig raising wastewater deep treatment method according to claim 1, it is characterised in that the number in described A/O ponds Measure as two, according to waste liquid flow through order be respectively activated sludge formula A/O ponds (51) and catalytic oxidation formula A/O ponds (52), it is described Step also includes:By in the segregation of waste in the regulating reservoir (41) to described catalytic oxidation formula A/O ponds (52).
5. a kind of Pig raising wastewater deep treatment method according to claim 4, it is characterised in that described activated sludge formula A/O ponds (51) include the first anoxic pond and the first Aerobic Pond, and the volumetric ratio of first anoxic pond and the first Aerobic Pond is 1: 1.5, the dissolved oxygen amount that the flow velocity of waste liquid is more than or equal to waste liquid in 0.2m/s, the first Aerobic Pond in the first anoxic pond is 2mg/L, the Reflux ratio from one Aerobic Pond to the first anoxic pond be 250%;Described catalytic oxidation formula A/O ponds (52) include the second anoxic pond and The volumetric ratio of second Aerobic Pond, the second anoxic pond and the second Aerobic Pond is 1:1.5, in the second anoxic pond the flow velocity of waste liquid be more than or Equal to 0.2m/s, the dissolved oxygen amount of waste liquid is 2mg/L in the second Aerobic Pond, and the second Aerobic Pond is to the reflux ratio of the second anoxic pond 300%;Residence time ratio of the waste liquid in the activated sludge formula A/O ponds (51) and catalytic oxidation formula A/O ponds (52) is 1: 1.5。
6. a kind of Pig raising wastewater deep treatment method according to claim 1, it is characterised in that described step is also wrapped Include, the waste liquid in MBR ponds (53) is back to described A/O ponds with 300% reflux ratio.
7. a kind of Pig raising wastewater deep treatment method according to claim 1, it is characterised in that described step is also wrapped Include:The gas produced in the upflow anaerobic sludge blanket reactor (42) is made via gas and water separator (71) and desulfurizer (72) clean biogas is obtained after.
8. a kind of Pig raising wastewater deep treatment method according to claim 1, it is characterised in that described step is also wrapped Include:By described upflow anaerobic sludge blanket reactor (42), anaerobic precipitation pond (44), MBR ponds (53) and whole sedimentation basin (61) Interior sludge is periodically discharged into sludge concentration tank (81), and the clear liquid in sludge concentration tank (81) is discharged into described regulating reservoir (41)。
9. a kind of Pig raising wastewater deep treatment method according to claim 8, it is characterised in that described step is also wrapped Include:The waste residue that sludge in sludge concentration tank (81) and solid-liquid separating machine (30) are isolated is discharged into excrement slag muck (82) fermentation.
CN201710405113.3A 2017-05-31 2017-05-31 A kind of Pig raising wastewater deep treatment method Pending CN107200431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710405113.3A CN107200431A (en) 2017-05-31 2017-05-31 A kind of Pig raising wastewater deep treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710405113.3A CN107200431A (en) 2017-05-31 2017-05-31 A kind of Pig raising wastewater deep treatment method

Publications (1)

Publication Number Publication Date
CN107200431A true CN107200431A (en) 2017-09-26

Family

ID=59907204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710405113.3A Pending CN107200431A (en) 2017-05-31 2017-05-31 A kind of Pig raising wastewater deep treatment method

Country Status (1)

Country Link
CN (1) CN107200431A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109020086A (en) * 2018-09-05 2018-12-18 福建省致青生态环保有限公司 A kind of aquaculture wastewater and waste gas treatment process
CN110127961A (en) * 2019-06-27 2019-08-16 南通大恒环境工程有限公司 A kind of method of MBR processing waste water
CN110357354A (en) * 2019-07-16 2019-10-22 江西沄沐环保科技有限公司 A kind of Wastewater from Pig Farm processing method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104230097A (en) * 2014-08-21 2014-12-24 广州嘉康环保技术有限公司 Breeding sewage treatment method
CN106032304A (en) * 2015-03-12 2016-10-19 海口宜坤环境技术有限公司 A method of treating pig breeding farm waste water
CN205974187U (en) * 2016-08-25 2017-02-22 福建碧蓝环保股份公司 Waste water integrated treating equipment raises pigs
CN108101314A (en) * 2018-01-10 2018-06-01 福建省致青生态环保有限公司 A kind of comprehensive treatment Application way of livestock breeding wastewater

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104230097A (en) * 2014-08-21 2014-12-24 广州嘉康环保技术有限公司 Breeding sewage treatment method
CN106032304A (en) * 2015-03-12 2016-10-19 海口宜坤环境技术有限公司 A method of treating pig breeding farm waste water
CN205974187U (en) * 2016-08-25 2017-02-22 福建碧蓝环保股份公司 Waste water integrated treating equipment raises pigs
CN108101314A (en) * 2018-01-10 2018-06-01 福建省致青生态环保有限公司 A kind of comprehensive treatment Application way of livestock breeding wastewater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109020086A (en) * 2018-09-05 2018-12-18 福建省致青生态环保有限公司 A kind of aquaculture wastewater and waste gas treatment process
CN110127961A (en) * 2019-06-27 2019-08-16 南通大恒环境工程有限公司 A kind of method of MBR processing waste water
CN110357354A (en) * 2019-07-16 2019-10-22 江西沄沐环保科技有限公司 A kind of Wastewater from Pig Farm processing method

Similar Documents

Publication Publication Date Title
CN103880248B (en) A kind of coking wastewater processing system and treatment process
CN102807302B (en) Method for treating livestock and poultry breeding waste water
CN105502826B (en) A kind of high-efficient denitrification and dephosphorization sewage treatment process and its device
CN106242190A (en) A kind of modularity sewage disposal system
CN204897650U (en) Chemistry pharmacy effluent disposal system
CN107200431A (en) A kind of Pig raising wastewater deep treatment method
CN102161554A (en) Anaerobic hydrolysis-acidification and anoxic-aerobic process-sequencing batch reactor (AO-SBR) integrated sewage treatment reaction tank
CN109574392A (en) A kind of integrated apparatus and method purifying black-odor riverway sewage
CN105836970A (en) Sewage treatment device
CN108623102A (en) A kind of combined type SBR-MBR-Fenton Pig raising wastewater processing methods
CN202785899U (en) Sewage treatment device
CN102139972A (en) Sewage treatment method and device
CN106007228A (en) Integrated sewage treatment equipment based on ABR
CN102173534B (en) Method for treating polytetrahydrofuran (PEMEG) production wastewater
CN203866098U (en) High-efficiency anaerobic and aerobic integrated reactor
CN201999835U (en) Anaerobic hydrolytic acidification and AO-SBR (anoxic/oxic-sequencing batch reactor activated sludge process) integrated sewage treatment reaction tank
CN105967435A (en) Double-circulation nitrogen and phosphorus removal wastewater treatment system and process
CN105110571A (en) Treatment system and method of high-concentration ammonia nitrogen organic wastewater
CN206396015U (en) Two grades of AO MBR combined sewage treatment systems
CN102153195A (en) Novel up-flow anaerobic sludge blanket for treating wastewater of pig farm
CN209481413U (en) A kind of distributing integrated sewage water purification pot
CN103253837A (en) Denitrification filter system and filtering method thereof
CN107267376B (en) Household garbage fermentation equipment and method
CN205635270U (en) Sewage treatment device
CN107601781A (en) A kind of sewage disposal system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170926

RJ01 Rejection of invention patent application after publication