CN106746078A - A kind of pretreatment unit of high concentration organism P wastewater - Google Patents
A kind of pretreatment unit of high concentration organism P wastewater Download PDFInfo
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- CN106746078A CN106746078A CN201611155010.8A CN201611155010A CN106746078A CN 106746078 A CN106746078 A CN 106746078A CN 201611155010 A CN201611155010 A CN 201611155010A CN 106746078 A CN106746078 A CN 106746078A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 46
- 238000011282 treatment Methods 0.000 claims description 45
- 238000007146 photocatalysis Methods 0.000 claims description 24
- 230000001699 photocatalysis Effects 0.000 claims description 24
- 238000011221 initial treatment Methods 0.000 claims description 23
- 238000009388 chemical precipitation Methods 0.000 claims description 14
- 239000000706 filtrate Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 238000005189 flocculation Methods 0.000 claims description 10
- 230000016615 flocculation Effects 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 229940079593 drug Drugs 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 239000010802 sludge Substances 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 230000001413 cellular effect Effects 0.000 claims description 2
- 238000003851 corona treatment Methods 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 20
- 239000011574 phosphorus Substances 0.000 abstract description 20
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 20
- 238000006243 chemical reaction Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241001466460 Alveolata Species 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 240000006909 Tilia x europaea Species 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 125000005461 organic phosphorous group Chemical group 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F2101/30—Organic compounds
Landscapes
- 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)
- Water Treatment By Sorption (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention provides a kind of pretreatment unit of high concentration organism P wastewater, including：Plasma processor (1), tube mixer (2), inclined-pipe settler (3), adsorption filtration device (4), baffle plate (5), backwash tube (6), the second effluent weir (7), bucket (8), discharge pipeline (9).Using plasma processor pre-oxidizes unit as organophosphor in pretreatment unit of the invention, organophosphor substantially can be converted into Phos and non-secondary pollution, again by the combination with the reaction unit such as tube mixer, inclined-pipe settler, adsorption filtration device, the phosphorus concentration in water can be effectively reduced, and it is easy to operate.
Description
Technical field
The present invention relates to water treatment field, more particularly to a kind of pretreatment unit of high concentration organism P wastewater.
Background technology
At present, the organic phosphorus compound of worldwide production has kind more than 10,000, due to organic phosphorous chemical industry expanding production and make extensively
With the high concentration poisonous organic wastewater amount produced in its production process is big, pollution weight, and greatly harm is caused to environment.Therefore,
Effective improvement of this kind of waste water is extremely urgent.
Phosphorus-containing wastewater of the concentration more than 100mg/L is referred to as high-concentration phosphorus-containing wastewater, for high concentration organism P wastewater
Pretreatment uses physicochemical techniques, wherein, chemical method includes Fenton oxidation method, Electrocatalytic Oxidation etc., and Physical includes absorption
Method, blow-off method, flocculence, sedimentation etc..But in force, chemical method such as Fenton oxidation method, due to Fe2+Concentration is big, treatment
Water afterwards may carry color, while Fe2+With H2O2Reaction reduce H2O2Utilization rate, it is desirable to carried out in relatively low pH, should
With limited；Although and Electrocatalytic Oxidation effect is significant, it is not long that electrode material is difficult selection, electrode life, and running cost
It is not thorough with high, degraded.Though conventional flocculent precipitation has the advantages that operation is simply easy in technological process, for more highly concentrated
The treatment of the organophosphor of degree, single use the method does not often reach preferable treatment effect, and the medicine used in processing procedure
Dosage is larger, and operating cost is high, and the sludge quantity for producing is big.If for the pretreatment of high concentration organism P wastewater can not reach compared with
Good treatment effect, larger processing load is brought to the later stage as using bioanalysis process.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of high concentration organism P wastewater
Pretreatment unit, for solving, processing unit of the prior art is complicated, treatment effect is not good easily causes asking for secondary pollution etc.
Topic.
In order to achieve the above objects and other related objects, the present invention provides a kind of pretreatment dress of high concentration organism P wastewater
Put, the pretreatment unit at least includes：Plasma processor is high for carrying out plasma to high concentration organism P wastewater
Level oxidation processes, the water outlet after treatment is primary treatment liquid；Tube mixer, is connected to the plasma processor, uses
Chemical precipitation agent and/or flocculant are added in the primary treatment liquid, and is mixed；Inclined-pipe settler, along described
The periphery setting of tube mixer, chemical precipitation and/or flocculation treatment are carried out for the water outlet to the tube mixer, are gone forward side by side
Row separation of solid and liquid, takes the liquid after separating to obtain secondary treatment liquid；Adsorption filtration device, along the periphery of the tube mixer
Set, for carrying out adsorption treatment to the secondary treatment liquid, the water outlet after treatment is pretreatment fluid.
Preferably, the plasma processor includes reactor, photo catalysis reactor, and the lower end side of reactor is connected
The side for having water inlet pipe, upper end is provided with the first effluent weir, and lower end is also associated with breather pipe, and upper surface is provided with venthole, and light is urged
Change reactor to be set along the periphery of reactor, and positioned at the downside of the first effluent weir, the water outlet of the first effluent weir is from photocatalysis
The water inlet of the upper surface of reactor enters in photo catalysis reactor, and TiO is provided with photo catalysis reactor2Particle, photocatalysis
The delivery port of reactor leads to plasma processor delivery port；Plate electrode, pin electrode are provided with reactor, in breather pipe
Gas leads to the lower end of pin electrode.
Preferably, the tube mixer includes an outer tube, is communicated with the side wall near inlet end of the outer tube
Drug tube, for chemical precipitation agent and/or flocculant to be added in tube mixer, the inwall of the outer tube is provided with along water
The hybrid element that stream flow direction is extended spirally.
Preferably, the tube mixer is vertical structure, and its upper surface is provided with water inlet, and its lower surface is provided with out
The mouth of a river.
Preferably, the inclined-pipe settler is positioned close to the water outlet end of the tube mixer, built-in cellular shape
Inclined tube filler.
Preferably, baffle plate is provided with the downside of the delivery port of the tube mixer, for guiding the tube mixer
The flow direction of water outlet.
Preferably, the delivery port upside of the inclined-pipe settler is provided with backwash tube, for the tube settling
Device is backwashed, and the downside of the backwash tube opens up flushing hole in the axial direction.
Preferably, the adsorption filtration device is positioned close to the inlet end of the tube mixer, built-in filtrate.
Preferably, the upper surface of the adsorption filtration device is provided with the second effluent weir, and the adsorption filtration device goes out
Water is into second effluent weir realizing the water outlet of pretreatment unit.
Preferably, the baffle plate downside is provided with bucket, is produced for storing the tube mixer, inclined-pipe settler
Sludge, bucket bottom is provided with discharge pipeline.
As described above, the pretreatment unit of high concentration organism P wastewater of the invention, has the advantages that：The present invention
Pretreatment unit in using plasma processor as organophosphor pre-oxidize unit, substantially organophosphor can be converted
It is Phos and non-secondary pollution, reduces the load and cost of subsequent treatment, then fill by with tube mixer, tube settling
Put, the combination of the reaction unit such as adsorption filtration device, the phosphorus concentration in water can be effectively reduced, and easy to operate.
Brief description of the drawings
Fig. 1 is shown as the schematic cross-section of the pretreatment unit of high concentration organism P wastewater of the invention.
Component label instructions
1 plasma processor
11 reactors
111 water inlet pipes
112 first effluent weirs
113 breather pipes
114 ventholes
115 plate electrodes
116 pin electrodes
12 photo catalysis reactors
13 plasma processor delivery ports
14 high-frequency and high-voltage power supplies
15 swinging blower fans
2 tube mixers
21 outer tubes
22 drug tubes
23 hybrid elements
3 inclined-pipe settlers
4 adsorption filtration devices
5 baffle plates
6 backwash tubes
7 second effluent weirs
8 buckets
9 discharge pipelines
10 outlet pipes
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages of the invention and effect easily.
Refer to Fig. 1.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., is only used to coordinate
Content disclosed in specification, so that those skilled in the art understands and reads, is not limited to the present invention enforceable
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
Do not influence under effect that can be generated of the invention and the purpose to be reached, all should still fall in disclosed technology contents
In the range of being covered.Meanwhile, in this specification it is cited such as " on ", D score, "left", "right", " centre " and " one "
Term, be merely convenient to understanding for narration, and be not used to limit enforceable scope of the invention, the change of its relativeness or
Adjustment, under without essence change technology contents, when being also considered as enforceable category of the invention.
As shown in figure 1, the present invention provides a kind of pretreatment unit of high concentration organism P wastewater, by by plasma
Reason device is organically combined with tube mixer, inclined-pipe settler, adsorption filtration device, can effectively reduce the phosphorus in water
Concentration.Pretreatment unit at least includes：Plasma processor 1 is high for carrying out plasma to high concentration organism P wastewater
Level oxidation processes, the water outlet after treatment is primary treatment liquid；Tube mixer 2, is connected to plasma processor 1, is used for
To adding chemical precipitation agent and/or flocculant in primary treatment liquid, and mixed；Inclined-pipe settler 3, along tube mixer
2 periphery setting, chemical precipitation and/or flocculation treatment are carried out for the water outlet to tube mixer 2, and carry out separation of solid and liquid,
The liquid after separating is taken to obtain secondary treatment liquid；Adsorption filtration device 4, is set, for secondary along the periphery of tube mixer 2
Level treatment fluid carries out adsorption treatment, and the water outlet after treatment is pretreatment fluid.
Wherein, plasma processor 1 uses needle plate type processor, including reactor 11, photo catalysis reactor 12, reaction
The lower end side of device 11 is connected with water inlet pipe 111, and the side of upper end is provided with the first effluent weir 112, and lower end is also associated with ventilation
Pipe 113, upper surface is provided with venthole 114, and photo catalysis reactor 12 is set along the periphery of reactor 11, and positioned at the first water outlet
The downside on weir 112, the water outlet of the first effluent weir 112 enters light-catalyzed reaction from the water inlet of the upper surface of photo catalysis reactor 12
In device 12, TiO is provided with photo catalysis reactor 122Particle, the delivery port of photo catalysis reactor 12 is located at its lower surface and leads to
To plasma processor delivery port 13.Plate electrode 115, pin electrode 116, the gas in breather pipe 113 are provided with reactor 11
Body leads to one end of pin electrode 116.Plate electrode 115 is connected and is grounded with the negative pole of high-frequency and high-voltage power supply 14, pin electrode 116 with it is high
The positive pole of frequency high voltage power supply 14 is connected, and the power frequency that high-frequency and high-voltage power supply 14 is produced is 3~20kHz, and power is 200~
1000W.Breather pipe 113 is connected with swinging blower fan 15, and for being ventilated in reactor 11, air velocity is 40~200L/
min。
The gabarit of reactor 11 may be configured as cylindrical structural, and its lateral surface upper end is provided with apopore and is flowed into by water outlet
In first effluent weir 112.Photo catalysis reactor 12 is set around the periphery of reactor 11, and the use of reactor 11 can pass through ultraviolet light
Glass material such as quartz glass, the UV light permeability reactor 11 produced in reactor 11 inject in photo catalysis reactor 12 with
TiO in photo catalysis reactor 122There is light-catalyzed reaction in particle.First effluent weir 112 may be configured as tooth form weir, overflow across first
The current of effluent weir 112 enter in the photo catalysis reactor 12 on the downside of it.Plate electrode 115 can use stainless steel plate, pin electricity
Pole 116 is hollow structure, can use stainless steel.The gas for entering reactor 11 by the hollow space of pin electrode 116 exists
Discharged in the presence of pin-plate reactor, then produce high energy electron, negative ions, excited state particle and with strong oxidizing property
Free radical, ozone etc., these materials are reacted with the high concentration organism P wastewater being passed through in reactor 11, can effectively most
Organic phosphorus degrading is Phos by bigization, in order to the materializing strategy of subsequent cell.Waste water after the treatment of reactor 11
The first effluent weir 112 is exited into from reactor 11, then enters photo catalysis reactor 12, plasma from the first effluent weir 112
The ultraviolet light produced in processor 1 inject after photo catalysis reactor 12 with photo catalysis reactor 12 in TiO2There is light and urge in particle
Change reaction, organophosphor that can further in degrading waste water, primary treatment liquid after thus being degraded for the first time and by etc. from
Daughter processor delivery port 13 is discharged.
Plasma processor delivery port 13 is connected with the water inlet of tube mixer 2, and primary treatment liquid is from plasma
Body processor delivery port 13 enter tube mixer 2 water inlet, tube mixer 2 include an outer tube 21, outer tube 21 be close to
Drug tube 22 is communicated with the side wall of inlet end, for chemical precipitation agent and/or flocculant to be added into tube mixer 2
In, the inwall of outer tube 21 is provided with the hybrid element 23 extended spirally along flow direction.As shown in figure 1, tube mixer 2 is perpendicular
To structure, its upper surface is provided with water inlet, and its lower surface is provided with delivery port.Drug tube 22 is obliquely installed, with horizontal wire clamp
Angle is 45~60 degree, and check valve is installed in upper end.Under the immixture of hybrid element 23, primary treatment liquid fills with chemical precipitation agent
Divide the biochemical precipitation reaction of hybrid concurrency, flocculation reaction is sufficiently mixed and occurred with flocculant.Precipitating reagent selects milk of lime, and it has
Effect calcium content is 70%~80%, is added than being 5~20L milk of limes/m3Primary treatment liquid.Flocculant is by diatomite, polymerization chlorine
Change aluminium, polyacrylamide according to mass ratio 2~2.5：1~1.2：0.4~0.6 compounds and is obtained, and adds than being that 2.6~12L wads a quilt with cotton
Solidifying agent/m3Primary treatment liquid.
Baffle plate 5 is provided with the downside of the delivery port of tube mixer 2, the flow direction for guiding the water outlet of tube mixer 2.Tiltedly
Pipe settler 3 is set along the periphery of tube mixer 2, and is positioned close to the water outlet end of the tube mixer 2, interior
Ф 50mm alveolate leaning pipe fillers are put, hydraulic detention time is 2.0~4.0h.From the water that the delivery port of tube mixer 2 is discharged
Flow and enter wherein from the lower end water inlet of inclined-pipe settler 3, further, chemical precipitation reaction can occur, it is heavy by chemistry
The phosphorus that shallow lake is gone in water removal, and flocculation reaction, the phosphorus effectively gone in water removal by effects such as absorption, bridge formations, and in tube settling
Separation of solid and liquid is carried out under effect, solid phase is sunk, and clarified solution flows out from upper end delivery port, and thus obtained clarified solution is secondary place
Reason liquid.
Adsorption filtration device 4, is set, and be positioned close to the water inlet of tube mixer 2 along the periphery of tube mixer 2
Mouth end, built-in filtrate, filtering velocity is 6~10m3/m2/h.Filtrate is according to volume ratio 1.4~2 by activated carbon, activated alumina:1 answers
With obtained composite filtering material, particle diameter is 1.2~2.4mm, and filtrate thickness 0.6m~1.0m, nonuniformity coefficient is 1.3~1.6.It is secondary
Level treatment fluid is intake from the lower end of adsorption filtration device 4, the phosphorus further gone in water removal by the suction-operated of built-in filtrate,
And from upper end water outlet, its water outlet is pretreatment fluid.The upper surface of adsorption filtration device 4 is provided with the second effluent weir 7, the suction
The water outlet of attached filter 4 is into second effluent weir 7 realizing the water outlet of pretreatment unit.Second effluent weir 7 is further
An outlet pipe 10 is connected to be delivered in aftertreatment systems with by water outlet.
The delivery port upside of inclined-pipe settler 3 is provided with backwash tube 6, for being recoiled to inclined-pipe settler
Wash, the downside of backwash tube 6 opens up flushing hole in the axial direction.Flushing hole may be configured as two rows, and aperture is Ф 10mm, Kong Jian
It is divided into 3~5cm.
The downside of baffle plate 5 is provided with bucket 8, for storing the sludge that tube mixer 2, inclined-pipe settler 3 are produced, bucket
8 bottom is provided with discharge pipeline 9, and row treatment and disposal will be discharged into outside sludge by discharge pipeline 9.
If system water inlet organic phosphorous content is too high, the mode of utilisation system water part backflow is diluted, with stabilization
System removes phosphorus load.
Above tube mixer 2, inclined-pipe settler 3, adsorption filtration device 4, baffle plate 5, backwash tube 6, the second water outlet
Weir 7, bucket 8, discharge pipeline 9 constitute a materializing strategy system, by its mutual combination and and corona treatment
The combination of device 1 this pre-oxidation unit, can realize being converted into organophosphor the pre-oxidation treatment and primary of Phos
The further materializing strategy for the treatment of fluid, finally farthest reduces the phosphorus concentration in water.
Following examples illustrate the pretreatment unit of high concentration organism P wastewater of the invention：
Embodiment one：
It is the waste water of 200mg/L containing organic phosphorus concentration, plasma advanced oxidation is first carried out in plasma processor 1
Treatment, the hydraulic detention time of plasma processor 1 is 2h, and discharge power is 300W, and power frequency is 3kHz, air velocity
It is 100L/min, the water outlet after treatment is primary treatment liquid；Primary treatment liquid enters in tube mixer 2, feeding lime breast
(the active calcium ion content 75%) 8L/m3Primary treatment liquid and flocculant 5L flocculants/m3Primary treatment liquid, wherein, the flocculant for adding
By diatomite, aluminium polychloride, polyacrylamide according to mass ratio 2：1.2：0.5 compounding and be obtained, primary treatment liquid by
After being mixed with precipitating reagent, flocculant in tube mixer 2 and being carried out chemical precipitation reaction and flocculation reaction, its water outlet is entered
Enter inclined-pipe settler 3 with proceed chemical precipitation reaction and flocculation reaction and carry out separation of solid and liquid with remove sediment and
Flocculate, the hydraulic detention time of tube settler 3 is 2.0h, built-in Ф 50mm alveolate leaning pipe fillers, inclined-pipe settler 3
Water outlet be secondary treatment liquid；Secondary treatment liquid flows into adsorption filtration device 4, and the filtering velocity of adsorption filtration device 6 is 6m3/m2/
H, filtrate is by activated carbon, activated alumina according to volume ratio 1.4:1 compounding is obtained, and particle diameter is 1.4mm, filtrate thickness 0.6mm, no
Coefficient of uniformity is 1.3, the nothing that secondary treatment liquid is further gone in water removal by the suction-operated of the built-in filtrate of absorption filtering pool 4
Machine phosphorus, its water outlet is pretreatment fluid.Organophosphor, total phosphorus yield are carried out by the water outlet to each stage, is obtained as shown in table 1
Result：
The detection data of table 1
| Detection project | Organophosphor (mg/L) | Clearance (%) | Total phosphorus (mg/L) | Clearance (%) |
| Raw water | 200 | 0 | 200 | 0 |
| Primary treatment liquid | 28.4 | 85.8 | 200 | 0 |
| Secondary treatment liquid | 9 | 95.5 | 78.4 | 60.8 |
| Pretreatment fluid | 2.6 | 98.7 | 39.8 | 80.1 |
Embodiment two：
It is the waste water of 200mg/L containing organic phosphorus concentration, plasma advanced oxidation is first carried out in plasma processor 1
Treatment, the hydraulic detention time of plasma processor 1 is 1.5h, and discharge power is 800W, and power frequency is 3kHz, air stream
Speed is 100L/min, and the water outlet after treatment is primary treatment liquid；Primary treatment liquid enters in tube mixer 2, feeding lime
Breast (the active calcium ion content 80%) 20L/m3Primary treatment liquid and flocculant 12L flocculants/m3Primary treatment liquid, wherein, the wadding for adding
Solidifying agent is by diatomite, aluminium polychloride, polyacrylamide according to mass ratio 2.5：1.1：0.4 compounds and is obtained, primary treatment liquid
By being mixed with precipitating reagent, flocculant in tube mixer 2 and after being carried out chemical precipitation reaction and flocculation reaction, its
Water outlet is into inclined-pipe settler 3 proceeding chemical precipitation reaction and flocculation reaction and carry out separation of solid and liquid to remove precipitation
Thing and flocculate, the hydraulic detention time of tube settler 3 is 3.0h, and built-in Ф 50mm alveolate leaning pipe fillers, inclined tube sinks
The water outlet of shallow lake device 3 is secondary treatment liquid；Secondary treatment liquid flows into adsorption filtration device 4, and the filtering velocity of adsorption filtration device 6 is
8m3/m2/ h, filtrate is by activated carbon, activated alumina according to volume ratio 2:1 compounding is obtained, and particle diameter is 2mm, filtrate thickness 0.8mm,
Nonuniformity coefficient is 1.5, and secondary treatment liquid is further gone in water removal by the suction-operated of the built-in filtrate of absorption filtering pool 4
Phos, its water outlet is pretreatment fluid.Organophosphor, total phosphorus yield are carried out by the water outlet to each stage, is obtained such as the institute of table 2
The result shown：
The detection data of table 2
| Detection project | Organophosphor (mg/L) | Clearance (%) | Total phosphorus (mg/L) | Clearance (%) |
| Raw water | 200 | 0 | 200 | 0 |
| Primary treatment liquid | 5.8 | 97.1 | 200 | 0 |
| Secondary treatment liquid | 2.4 | 98.8 | 50.4 | 74.8 |
| Pretreatment fluid | 1.4 | 99.3 | 13.4 | 93.3 |
From above-described embodiment, the pretreatment unit of high concentration organism P wastewater of the invention can effectively degrade and have
Machine phosphorus, reduces the load of later stage treatment.
In sum, using plasma processor pre-oxidizes unit as organophosphor in pretreatment unit of the invention,
Organophosphor substantially can be converted into Phos and non-secondary pollution, reduce the load and cost of subsequent treatment, then led to
Cross with precipitation, flocculation, absorption etc. reaction unit combination, the phosphorus concentration in water, and the side of operation can be effectively reduced
Just.
So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should be covered by claim of the invention.
Claims (10)
1. a kind of pretreatment unit of high concentration organism P wastewater, it is characterised in that the pretreatment unit at least includes：
Plasma processor (1), for carrying out plasma advanced oxidation treatment to high concentration organism P wastewater, after treatment
Water outlet is primary treatment liquid；
Tube mixer (2), is connected to the plasma processor (1), for adding chemistry in the primary treatment liquid
Precipitating reagent and/or flocculant, and mixed；
Inclined-pipe settler (3), is set, along the periphery of the tube mixer (2) for going out to the tube mixer (2)
Water carries out chemical precipitation and/or flocculation treatment, and carries out separation of solid and liquid, takes the liquid after separating to obtain secondary treatment liquid；
Adsorption filtration device (4), is set, along the periphery of the tube mixer (2) for being inhaled to the secondary treatment liquid
Attached treatment, the water outlet after treatment is pretreatment fluid.
2. the pretreatment unit of high concentration organism P wastewater according to claim 1, it is characterised in that：The plasma
Processor (1) includes reactor (11), photo catalysis reactor (12), and the lower end side of reactor (11) is connected with water inlet pipe
(111), the side of upper end is provided with the first effluent weir (112), and lower end is also associated with breather pipe (113), and upper surface is provided with outlet
Hole (114), photo catalysis reactor (12) is set along the periphery of reactor (11), and positioned at the downside of the first effluent weir (112),
The water outlet of the first effluent weir (112) enters photo catalysis reactor (12) from the water inlet of the upper surface of photo catalysis reactor (12)
In, photo catalysis reactor is provided with TiO in (12)2Particle, the delivery port of photo catalysis reactor (12) leads to corona treatment
Device delivery port (13)；Plate electrode (115), pin electrode (116) are provided with reactor 11, the gas in breather pipe (113) leads to
One end of pin electrode (116).
3. the pretreatment unit of high concentration organism P wastewater according to claim 1, it is characterised in that：The tubular-mix
Device (2) includes an outer tube (21), and drug tube (22) is communicated with the side wall near inlet end of the outer tube (21), for inciting somebody to action
Chemical precipitation agent and/or flocculant are added in tube mixer (2), and the inwall of the outer tube (21) is provided with along flow direction
The hybrid element (23) for extending spirally.
4. the pretreatment unit of high concentration organism P wastewater according to claim 3, it is characterised in that：The tubular-mix
Device (2) is vertical structure, and its upper surface is provided with water inlet, and its lower surface is provided with delivery port.
5. the pretreatment unit of high concentration organism P wastewater according to claim 4, it is characterised in that：The tube settling
Device (3) is positioned close to the water outlet end of the tube mixer (2), built-in cellular shape inclined tube filler.
6. the pretreatment unit of high concentration organism P wastewater according to claim 5, it is characterised in that：The tubular-mix
Baffle plate (5) is provided with the downside of the delivery port of device (2), the flow direction for guiding the tube mixer (2) water outlet.
7. the pretreatment unit of high concentration organism P wastewater according to claim 5, it is characterised in that：The tube settling
The delivery port upside of device (3) is provided with backwash tube (6), described for being backwashed to the inclined-pipe settler (3)
The downside of backwash tube (6) opens up flushing hole in the axial direction.
8. the pretreatment unit of high concentration organism P wastewater according to any one of claim 1 to 7, it is characterised in that：
The adsorption filtration device (4) is positioned close to the inlet end of the tube mixer (2), built-in filtrate.
9. the pretreatment unit of high concentration organism P wastewater according to claim 8, it is characterised in that：The adsorption filtration
The upper surface of device (4) is provided with the second effluent weir (7), and the water outlet of the adsorption filtration device (4) enters second water outlet
Weir (7) is realizing the water outlet of pretreatment unit.
10. the pretreatment unit of high concentration organism P wastewater according to claim 6, it is characterised in that：The baffle plate (5)
Downside is provided with bucket (8), for storing the sludge that the tube mixer (2), inclined-pipe settler (3) are produced, bucket bottom
End is provided with discharge pipeline (9).
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| CN108046495A (en) * | 2018-01-16 | 2018-05-18 | 辽宁省环境科学研究院 | A kind of sewage water advanced treatment apparatus and method |
| CN109775896A (en) * | 2019-03-20 | 2019-05-21 | 南京大学 | A kind of device and method of catalytic ozonation coupling coagulating sedimentation deep purifying biochemical tail water |
| CN113493242A (en) * | 2021-08-09 | 2021-10-12 | 南京林业大学 | plasma-CaO for synchronously removing organic matters and phosphate radicals2Method |
| CN115611391A (en) * | 2022-11-01 | 2023-01-17 | 安徽省交通航务工程有限公司 | Efficient dredging residual water treatment system |
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| CN103086461A (en) * | 2013-01-15 | 2013-05-08 | 南京大学 | Method for treating oxytetracycline-containing wastewater by adopting low-temperature plasma technology |
| WO2013187028A1 (en) * | 2012-06-14 | 2013-12-19 | パナソニック株式会社 | Method for treating arsenic-containing aqueous solution |
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| CN202226696U (en) * | 2011-09-14 | 2012-05-23 | 浙江工商大学 | Wastewater treatment device using titanium dioxide thin film catalysis and cooperating with pulse plasma |
| WO2013187028A1 (en) * | 2012-06-14 | 2013-12-19 | パナソニック株式会社 | Method for treating arsenic-containing aqueous solution |
| CN103086461A (en) * | 2013-01-15 | 2013-05-08 | 南京大学 | Method for treating oxytetracycline-containing wastewater by adopting low-temperature plasma technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046495A (en) * | 2018-01-16 | 2018-05-18 | 辽宁省环境科学研究院 | A kind of sewage water advanced treatment apparatus and method |
| CN109775896A (en) * | 2019-03-20 | 2019-05-21 | 南京大学 | A kind of device and method of catalytic ozonation coupling coagulating sedimentation deep purifying biochemical tail water |
| CN109775896B (en) * | 2019-03-20 | 2024-03-15 | 南京大学 | Device and method for deeply purifying biochemical tail water by coupling ozone catalytic oxidation and coagulating sedimentation |
| CN113493242A (en) * | 2021-08-09 | 2021-10-12 | 南京林业大学 | plasma-CaO for synchronously removing organic matters and phosphate radicals2Method |
| CN115611391A (en) * | 2022-11-01 | 2023-01-17 | 安徽省交通航务工程有限公司 | Efficient dredging residual water treatment system |
| CN115611391B (en) * | 2022-11-01 | 2024-05-17 | 安徽省交通航务工程有限公司 | High-efficiency dredging residual water treatment system |
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