CN105366891B - A kind of processing method of livestock breeding wastewater - Google Patents
A kind of processing method of livestock breeding wastewater Download PDFInfo
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- CN105366891B CN105366891B CN201510889351.7A CN201510889351A CN105366891B CN 105366891 B CN105366891 B CN 105366891B CN 201510889351 A CN201510889351 A CN 201510889351A CN 105366891 B CN105366891 B CN 105366891B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 70
- 238000009395 breeding Methods 0.000 title claims abstract description 15
- 230000001488 breeding effect Effects 0.000 title claims abstract description 15
- 244000144972 livestock Species 0.000 title claims abstract description 13
- 238000003672 processing method Methods 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000004576 sand Substances 0.000 claims abstract description 30
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 17
- 230000001954 sterilising effect Effects 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 11
- 238000005273 aeration Methods 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 239000005416 organic matter Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 8
- 230000008014 freezing Effects 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 241001148471 unidentified anaerobic bacterium Species 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000011026 diafiltration Methods 0.000 claims description 2
- 230000006855 networking Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000031018 biological processes and functions Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/22—Treatment of water, waste water, or sewage by freezing
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of processing method of livestock breeding wastewater, waste water flows through cistern, oblique filter screen, preliminary sedimentation tank, adsorption tank, serac clarifier-tank, magnetic force vibration pond, aeration tank, Aerobic Pond, biochemical regulating reservoir, second pond, buffer pool, continuous filter, sterilization pool, storage mud tank, reclaimed water recovery pond successively.In the livestock breeding wastewater handled by this method, the clearance of COD reaches 97.8%；The clearance of total nitrogen reaches 98.7%, and the clearance of five-day BOD reaches 97,3%, and the clearance of suspension reaches 98.6%, chroma removal rate 99.0%, turbidity removal rate 99.6%.Al TiO are added in the fine sand of continuous filter2Improve fine sand treatment effeciency.
Description
Technical field
The present invention relates to a kind of processing method of livestock breeding wastewater, the water treatment field belonged in environmental protection.
Background technology
Aerobic Process for Treatment refers to a kind of technique using aerobic microbiological processing breeding wastewater.Aerobic biological process method can be divided into
Natural Aerobic Process for Treatment and the major class of artificial Aerobic Process for Treatment two.
Natural Aerobic biological process method is the method that waste water is purified using the microorganism in natural water body and soil, also
Claim natural ecological resource method, mainly there is two kinds of water body purification and soil sanitation.The former mainly has oxidation pond（Aerobic ponds, facultative lagoon,
Anaerobic pond）With culture pond etc.；The latter mainly has land treatment systems（Slow rate, express method filter, overland flow）With artificial swamp etc..
Not only capital cost is low for natural ecological resource method, and power consumption is few, and the method is to nutrients such as the organic matter of bio-refractory, nitrogen phosphorus
Clearance with bacterium partly can reach the effect of tertiary treatment also above the two stage treatment of routine.In addition, in certain condition
Under, the method coordinates sewage irrigation to realize that sewage recycling utilizes.The shortcomings that method is mainly that floor space is big and treatment effect
Easily by seasonal effect etc..But if plant's small scale and nearby having a discarded ditch pool and when beach is available for utilizing, should try one's best choosing
This method is selected with investment reduction and processing cost.
The content of the invention
For the deficiencies in the prior art, the invention provides a kind of processing method of livestock breeding wastewater, livestock and poultry
Breeding wastewater flows into cistern, flows into oblique filter screen by depth displacement in cistern, the large volume that waste water contains in oblique filter screen
Suspension is separated, and waste water flows into preliminary sedimentation tank after flowing out oblique filter screen, filters out the impurity such as the silt in waste water, insoluble particles；It is useless
Water flows into adsorption tank after preliminary sedimentation tank outflow by pipeline, and multigroup stainless steel mesh screen is evenly distributed in adsorption tank, and per networking, sieve is thick
Spend for 5cm, some pits are evenly distributed on mesh screen surface, the size of each pit is 1cm*1cm*1cm, and ring is filled with pit
Absorption pool wall is fixed in oxygen resin glue, mesh screen one end, and the other end leaves spacing with pool wall, and multigroup mesh screen interleaved is arranged at suction
In attached pond, S type water stream channels are formed, when waste water is to stainless steel mesh, the batting shape suspension in water can be by pit
The epoxide-resin glue of filling is sticked, and is removed from water, and waste water flows into serac along S water-fillings circulation road outflow adsorption tank and purified；
Serac clarifier-tank is freezed by refrigerator, make temperature in pond keep subzero 2 DEG C-it is subzero 6 DEG C, the frigistor in serac is opened
Begin refrigeration, the instant water inside serac is changed into ice, ice because volumetric expansion by the opening of bottom portion of groove is full of groove, waste water from
Serac clarifier-tank upper end flows into, when flowing through serac suspension and the low organic matter of part freezing point can by groove freezing so as to
Removed from waste water；Waste water flows into magnetic force vibration pond from serac clarifier-tank, and magnetic force vibration bottom of pond portion is provided with 4 ultrasonators
And a pair of electrodes, electric field caused by electrode form compound Strong oxdiative effect with sonic oscillation caused by ultrasonator, make to give up
Difficult decomposing organic matter in water is decomposed removal under ultrasonic electric field compound action；Waste water uses pump after magnetic force vibration pond processing
Waste water is squeezed into aeration tank, increases the oxygen in water, then flows into Aerobic Pond, the larger molecular organicses of difficult degradation are decomposed into easily
In the small organic molecule or CO of degraded2And H2O, greatly improve the biodegradability of sewage；Then waste water flows into biochemical regulating reservoir,
Regulation pH value of waste water reaches neutral first, and the organic matter in waste water is decomposed by anaerobic bacteria under anaerobic afterwards；Waste water passes through
Second pond is flowed into after crossing biochemical regulation processing, the biomembrane that the biochemical treatment stage comes off carries out precipitation separation, supernatant liquor herein
Enter continuous filter after being discharged into buffer pool, base sludge is discharged into storage mud tank, and it is recycled that partial sludge is back to Aerobic Pond；Diafiltration
Pond is that waste water carries out advanced treating, and waste water is in cobblestone, rough sand, under the natural filtration of fine sand, reduces COD and ammonia nitrogen
Deng the numerical value of pollutant, continuous filter is backwashed after 12 hours；The water outlet of continuous filter enters sterilization pool, and sterilization pool is adopted
The concurrent disinfection mode with ultraviolet irradiation occurs with ozone, eliminates the bacterium in water；The water outlet of sterilization pool flows into reclaimed water recovery pond
It is interior, used for landscape water or greening.
Described continuous filter, as filtrate, is followed successively by cobblestone layer, rough sand from top to bottom using cobblestone, rough sand and fine sand
Layer and fine sand layer, cobblestone average diameter are 5cm, and floor height 0.8m, rough sand average grain diameter is 0.5 μm, floor height 1m, and fine sand is average
Particle diameter is 0.2 μm, floor height 1.5m, and Al-TiO is added in fine sand2Improve fine sand treatment effeciency.
Mesh screen is detachable in described adsorption tank, periodic replacement.
The advantage of the invention is that：
（1）Operating cost is cheap, saves operating cost 40%-90%, stable, can guarantee that effluent quality reach standard and
The requirement of national wastewater discharge standard.
（2）In the livestock breeding wastewater handled by the system, the clearance of COD reaches 97.8%；Total nitrogen
Clearance reaches 98.7%, and the clearance of five-day BOD reaches 97,3%, and the clearance of suspension reaches 98.6%, colourity
Clearance 99.0%, turbidity removal rate 99.6%.
（3）Magnetic force frictional force caused by pond of vibrating is small, operates steadily, noise pollution is small, easy to loading and unloading, equipment automatization journey
Degree is high.
（4）For the system using low-energy-consumptienvironment-friendlyhigh-precision environment-friendlyhigh-precision serac purification pool equipment, it appears in livestock breeding wastewater processing system
In serve innovation effect, have to particulate matters such as the solid of difficult degradation occurred in breeding wastewater and the feathers of floating type
Good treatment effect.
Brief description of the drawings
Fig. 1 is the processing system schematic diagram of livestock breeding wastewater
The oblique filter screen of 1- cisterns, 2-, 3- preliminary sedimentation tanks, 4- adsorption tanks, 5- seracs clarifier-tank, 6- magnetic force vibration pond, 7- aerations
Pond, 8- Aerobic Ponds, 9- biochemistry regulating reservoir, 10- second ponds, 11- buffer pools, 12- continuous filters, 13- sterilization pools, 14- storages mud tank,
15- reclaimed water recovery ponds.
Fig. 2 is the schematic diagram of serac clarifier-tank
51- seracs, 52- refrigerators, 53- turbochargers, 54- flowmeters, 55- pressure gauges, 56- level indicators, 57-
Thermometer, 58- frigistors.
Fig. 3 is the schematic diagram of adsorption tank
41- water storage spaces, 45- stainless steel mesh screens.
Fig. 4 is the schematic diagram of serac
59- grooves.
Fig. 5 is the schematic diagram of mesh screen
46- pits.
Embodiment
As shown in figure 1, a kind of processing system of livestock breeding wastewater, the system includes cistern 1, oblique filter screen 2, preliminary sedimentation tank
3rd, adsorption tank 4, serac clarifier-tank 5, magnetic force vibration pond 6, aeration tank 7, Aerobic Pond 8, biochemical regulating reservoir 9, second pond 10, buffer pool
11st, continuous filter 2, sterilization pool 13, storage mud tank 14, reclaimed water recovery pond 15.Waste water enters the water inlet of cistern 1 by pipeline, stores
The delivery port in pond 1 connects the water inlet of oblique filter screen 2 by pipeline, and the delivery port of oblique filter screen 2 connects preliminary sedimentation tank 3 by pipeline
Water inlet, the delivery port of preliminary sedimentation tank 3 connect the water inlet of adsorption tank 4 by pipeline, and the delivery port of adsorption tank 4 is connected by pipeline
The water inlet of serac clarifier-tank 5, the delivery port of serac clarifier-tank 5 connect the water inlet in magnetic force vibration pond 6 by pipeline, and magnetic force shakes
The delivery port for swinging pond 6 connects the water inlet of aeration tank 7 by pipeline, and the delivery port of aeration tank 7 connects Aerobic Pond 8 by pipeline
Water inlet, the delivery port of Aerobic Pond 8 connect the water inlet of biochemical regulating reservoir 9 by pipeline, and the delivery port of biochemical regulating reservoir 9 passes through
Pipeline connects the water inlet of second pond 10, and the delivery port of second pond 10 passes through the water inlet of pipeline Connection Pool 11, buffer pool
11 delivery port connects the water inlet of continuous filter 12 by pipeline, and the delivery port of continuous filter 12 connects sterilization pool 13 by pipeline
Water inlet, the mud discharging mouth of aeration tank 7 connect the first mud inlet of storage mud tank 14 by pipeline, and the mud discharging mouth of second pond 10 passes through pipe
Second mud inlet in road connection storage mud 14 pond, the delivery port of sterilization pool 13 connect the water inlet of reclaimed water recovery pond 15 by pipeline.
Wherein, continuous filter 12 is used as filtrate using cobblestone, rough sand and fine sand, is followed successively by cobblestone layer, rough sand layer and carefully from top to bottom
Sand bed, cobblestone average diameter are 5cm, and floor height 0.8m, rough sand average grain diameter is 0.5 μm, floor height 1m, and fine sand average grain diameter is
0.2 μm, floor height 1.5m, bottom of pond leaves backwash mouth, and backwash mouth is connected by pvc pipe with pool wall, and pvc pipe mouth is a diameter of
5cm, 4 aeration openings are set altogether, be evenly distributed in bottom of pond, backwash the external backwashing pump equipment of mouth；As shown in Fig. 3, Fig. 5, absorption
It is evenly distributed multigroup stainless steel mesh screen 45 in pond 4, thickness 5cm, is evenly distributed some pits 46 on the surface of mesh screen 45, it is each recessed
The size in hole 46 is 1cm*1cm*1cm, is filled with epoxide-resin glue in pit 46, absorption pool wall is fixed in the one end of mesh screen 45, separately
Spacing is left in one end with pool wall, and multigroup interleaved of mesh screen 45 is arranged in adsorption tank, forms S type water stream channels；Magnetic force vibrates
The bottom of pond 6 is provided with 4 oscillators and 2 groups of electrodes, and antistatic process is done in pond, and pond outer wall does insulation processing；As shown in figure 4,
The external refrigerator 52 of serac clarifier-tank 5, inside are provided with multigroup serac 51, and serac 51 is into beveled structure, tower height 60cm, serac top
Face inclination angle is 30 °, a diameter of 1.6m, and serac top surface is provided with groove 59 every 20 °, and opening is left in the bottom of groove 59, in serac
Running water can be added by pipeline, and the temperature in its built-in frigistor 58, serac clarifier-tank 5 maintains subzero 2-6 DEG C.
Waste water flows into cistern 1, flows into oblique filter screen 2 by depth displacement in cistern 1, in oblique filter screen 2, contains in waste water
The a large amount of large volume suspensions having are separated, and after waste water flows out oblique filter screen 2, flow into preliminary sedimentation tank 3, filter out the silt in waste water,
The impurity such as precipitation, small-sized insoluble particles；Waste water flows into adsorption tank 4 after the outflow of preliminary sedimentation tank 3 by pipeline, and current are along S water-fillings
Circulation road flows out adsorption tank 4, and the suspended particulate substance in pond migrates with flow of fluid, when waste water to stainless steel mesh 45
When, in the presence of impact of water, the batting shape suspension in water can be sticked by the epoxide-resin glue filled in pit, and from water
Middle removing；In serac clarifier-tank 5, freezed by refrigerator 52, the temperature in pond is kept for subzero 2-6 DEG C, waste water is net from serac
Change the upper end of pond 5 to flow into, running water is added by pipeline inside serac 51, the frigistor 58 in serac 51 starts to freeze, and makes ice
Instant water inside tower 51 is changed into ice, and for ice because volumetric expansion by the opening of the bottom of groove 59 is full of groove, waste water flows into serac
In clarifier-tank 5, serac 51 is flowed through, the low organic matter of a part of freezing point can be can remove outstanding by freezing in groove by this method
Float and the low organic matter of freezing point；Electrode produces electric field and shaken with ultrasound caused by bottom of pond portion ultrasonator in magnetic force vibration pond 6
Swing effect and form compound Strong oxdiative effect, the difficult decomposing organic matter in waste water is decomposed under ultrasonic electric field compound action
Remove；After waste water is handled through magnetic force vibration pond 6, waste water is squeezed into aeration tank 7 with pump, increases the oxygen in water, then flows into aerobic
Pond 8, the larger molecular organicses of difficult degradation are decomposed into the small organic molecule or CO for being easy to degraded2And H2O, greatly improve sewage
Biodegradability；Waste water flows into biochemical regulating reservoir 9, adjusts pH value of waste water first and reaches neutral, the organic matter in waste water exists afterwards
Decomposed under anaerobic condition by anaerobic bacteria；Waste water flows into second pond 10, the life that the biochemical treatment stage comes off after biochemical treatment
Thing film carries out precipitation separation, supernatant discharge herein, and base sludge is discharged into storage mud tank 14, and partial sludge is back to Aerobic Pond 8
It is recycled；Continuous filter 12 is that waste water carries out further advanced treating, and waste water is in cobblestone, rough sand, the nature of fine sand
Under filtering, the numerical value of the pollutant such as COD and ammonia nitrogen is reduced, after 12 hours, continuous filter 12 is backwashed；
Water outlet behind continuous filter 12 enters sterilization pool 13, and sterilization pool 13 is used simultaneously using ozone generation technology and ultraviolet disinfection, to disappear
Go out the bacterium of institute's band in water；The water outlet of sterilization pool 13 is flowed into reclaimed water recovery pond 15, is used for landscape water or greening.
Claims (1)
1. a kind of processing method of livestock breeding wastewater, it is characterised in that livestock breeding wastewater flows into cistern, in cistern
Oblique filter screen is flowed into by depth displacement, the large volume suspension that waste water contains in oblique filter screen is separated, after waste water flows out oblique filter screen
Preliminary sedimentation tank is flowed into, filters out silt and other insoluble particles impurity in waste water；Waste water passes through pipeline stream after preliminary sedimentation tank outflow
Enter adsorption tank, multigroup stainless steel mesh screen is evenly distributed in adsorption tank, sieve thickness is 5cm per networking, and mesh screen is evenly distributed on surface
Some pits, the size of each pit is 1cm*1cm*1cm, is filled with epoxide-resin glue in pit, suction is fixed in mesh screen one end
Attached pool wall, the other end leave spacing with pool wall, and multigroup mesh screen interleaved is arranged in adsorption tank, form S type water stream channels,
When waste water is to stainless steel mesh, the batting shape suspension in water can be sticked by the epoxide-resin glue filled in pit,
And removed from water, waste water flows into serac clarifier-tank along S water-fillings circulation road outflow adsorption tank；Serac clarifier-tank passes through refrigerator
Refrigeration, make temperature in pond keep subzero 2 DEG C-it is subzero 6 DEG C, the frigistor in serac starts to freeze, and makes inside serac
Instant water is changed into ice, and because volumetric expansion by the opening of bottom portion of groove is full of groove, waste water flows into ice from serac clarifier-tank upper end,
Suspension and the low organic matter of part freezing point can be by freezing so as to be removed from waste water in groove when flowing through serac；Waste water from
Serac clarifier-tank flows into magnetic force vibration pond, and magnetic force vibration bottom of pond portion is provided with 4 ultrasonators and a pair of electrodes, and electrode produces
Electric field and ultrasonator caused by sonic oscillation form compound Strong oxdiative effect, the difficult decomposing organic matter in waste water is existed
Be decomposed removal under ultrasonic electric field compound action；Waste water is squeezed into aeration tank with pump, increased by waste water after magnetic force vibration pond processing
Oxygen in water, then flows into Aerobic Pond, and the larger molecular organicses of difficult degradation are decomposed into the small organic molecule for being easy to degraded
Or CO2And H2O, greatly improve the biodegradability of sewage；Then waste water flows into biochemical regulating reservoir, adjusts pH value of waste water first and reaches
Neutrality, afterwards the organic matter in waste water decomposed under anaerobic by anaerobic bacteria；Waste water flows into after biochemical regulation processing
Second pond, the biomembrane that the biochemical treatment stage comes off carry out precipitation separation herein, and supernatant liquor enters diafiltration after being discharged into buffer pool
Pond, base sludge are discharged into storage mud tank, and it is recycled that partial sludge is back to Aerobic Pond；Continuous filter carries out depth to waste water
Reason, waste water successively cobblestone, rough sand, fine sand natural filtration under, reduce the numerical value of COD and ammonia nitrogen pollutant,
Continuous filter is backwashed after 12 hours；The water outlet of continuous filter enters sterilization pool, and sterilization pool is occurred and ultraviolet using ozone
The concurrent disinfection mode of irradiation, eliminate the bacterium in water；The water outlet of sterilization pool is flowed into reclaimed water recovery pond, for landscape water or green
Change and use；
Above-mentioned continuous filter using cobblestone, rough sand and fine sand be used as filtrate, be followed successively by from top to bottom cobblestone layer, rough sand layer and carefully
Sand bed, cobblestone average diameter are 5cm, and floor height 0.8m, rough sand average grain diameter is 0.5 μm, floor height 1m, the average grain of fine sand
Footpath is 0.2 μm, floor height 1.5m, and Al-TiO is added in fine sand2Improve fine sand treatment effeciency；Mesh screen is detachable in adsorption tank,
Periodic replacement.
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| CN106082552A (en) * | 2016-08-05 | 2016-11-09 | 牧原食品股份有限公司 | Scale livestock culture treatment for cow manure system |
| CN108059295B (en) * | 2018-01-04 | 2020-11-03 | 吉林省农业科学院 | Device and method for rapidly treating aquaculture sewage by using magnetic field |
| CN110002666A (en) * | 2019-03-25 | 2019-07-12 | 中国水产科学研究院南海水产研究所 | Nitration denitrification circulating water treatment method |
| CN113181872A (en) * | 2021-05-21 | 2021-07-30 | 大连交通大学 | Magnetic nano composite material, preparation method thereof and wastewater treatment method |
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Effective date of registration: 20201016 Address after: 246500, Susong County, Anhui City, Anqing province Changling Town East Road Patentee after: ANHUI ZISHEN ECOLOGICAL AGRICULTURE AND FORESTRY INTEGRATION DEVELOPMENT Co.,Ltd. Address before: 311400, Zhejiang, Hangzhou province Fuyang District Spring Street New Village Patentee before: HANGZHOU FUYANG WEIWEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |