CN109650617A - A kind of the breeding wastewater combined treatment process and device of overall-in-one control schema - Google Patents

A kind of the breeding wastewater combined treatment process and device of overall-in-one control schema Download PDF

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CN109650617A
CN109650617A CN201910024101.5A CN201910024101A CN109650617A CN 109650617 A CN109650617 A CN 109650617A CN 201910024101 A CN201910024101 A CN 201910024101A CN 109650617 A CN109650617 A CN 109650617A
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breeding wastewater
suction pump
pulse electric
tank
overall
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CN109650617B (en
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曾东
许振成
林方敏
魏东洋
洪鸿加
胡习兵
胡丽琼
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South China Institute of Environmental Science of Ministry of Ecology and Environment
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South China Institute of Environmental Science of Ministry of Ecology and Environment
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    • 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
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • C02F1/465—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • 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
    • C02F7/00—Aeration of stretches of water

Abstract

The invention discloses the breeding wastewater combined treatment process and device of a kind of overall-in-one control schema, the techniques, comprising the following steps: S1: pretreatment；S2: oxidation processes；S3: filtration treatment；S4: adsorption treatment；Described device mainly includes filtering ponds, conditioning tank, decomposing pool, pulse electric floatation pond, adsorption tank, suction pump, PLC controller；Conditioning tank is connected to by intake pump one with filtering ponds, pulse electric floatation pond is connected to by the suction pump four with decomposing pool, and PLC controller is connected to pulse electric floatation pond by suction pump five for adsorption tank and the filtering ponds, conditioning tank, decomposing pool, pulse electric floatation pond, adsorption tank, suction pump, PLC controller are electrically connected.Treatment process safety of the present invention, pollution-free, degradation effect is excellent, can reach discharge standard.

Description

A kind of the breeding wastewater combined treatment process and device of overall-in-one control schema
Technical field
The invention belongs to technical field of waste water processing, are specifically related to a kind of breeding wastewater combined treatment of overall-in-one control schema Technique and device.
Background technique
Intensive aquaculture at home and abroad rapidly develops in recent years, and China is more swift and violent, and cultured output has accounted for generation 2/3 or so of boundary's cultured output.The current culture fishery in China is in one from traditional high yield stocking model to scale The Historical Transformation phase of cultivation, quality and benifit transformation, but since China's aquaculture is still by the way of drawing arrange greatly greatly, both greatly Water resource is consumed, and the pollutant that the feed remnants launched in aquaculture process and fish, shrimp, crab class excreta are formed Pollution is caused to water body, sediment of pond etc., so that breeding water body eutrophication increasingly, to surrounding body environment and ecological environment Cause increasing harm.The culture zone along the lake of some unhurried current shallow macrophytic lakes, it is dirty in sanitary sewage and fishery itself Under the collective effect of dye, the miscellaneous pathogenic microorganisms bred by pollutant has caused serious damage to aquaculture Evil.The use of a large amount of feed, fertilizer and chemicals, brings huge pressure to breeding water body, has been more than general cultivation institute The metabolic capability of the self-purification ecosystem of dependence, causes large amount of organic that cannot decompose completely, causes the pollution of water body, together When manual acquiculture during remaining feed and fish excreta formed pollutant cause water body self-pollution or even water Matter deteriorates, and shows themselves in that water body serious eutrophication, Suspended Matter in Water increase, BOD, COD, nitrous acid The content of salt nitrogen etc. increases, dissolved oxygen decline.Compared with city domestic sewage and industrial wastewater, aquaculture water pollution has it solely Special feature, i.e. potential pollutant content are low, a displacement is big, have differences with common Lu Yuan sewage, and processing difficulty is significantly Increase.
In the prior art, although some processing methods are all the processing methods of mature aquiculture waste water, exist Certain limitation, single water treatment technology often can not thoroughly handle the multiple pollutant in waste water, need by a variety of water The water treatment system that processing technique is composed is handled waste water to realize recycling, can be good to aquaculture The pollutants such as harmful substances and heavy metal such as suspended matter, ammonia therein and nitrite in waste water carry out the removal of systematization, Convenient for management, securely and reliably, recycling for breeding wastewater is improved, can completed to the net of pollutants most in waste water Change.
Summary of the invention
In view of the above problems, the present invention provide can nuisance high treating effect in a kind of pair of breeding wastewater, degrade organic The object time is short, realize the efficient removal to suspended matter and the overall-in-one control schema of sterilization breeding wastewater combined treatment process and Device.
The technical scheme is that a kind of breeding wastewater combined treatment process of overall-in-one control schema, comprising the following steps:
S1: pretreatment: breeding wastewater is by filtering ponds coarse filtration, then is pumped into conditioning tank, adjusts breeding wastewater pH value 6~7, flocculant is added according to the 0.1%~0.3% of feedwater quality, then adds feedwater quality 0.1%~0.3% Flocculant is stood, and is carried out separation of solid and liquid and is taken supernatant；Wherein, 10min before addition flocculant, progress supersonic frequency are 100kHz Ultrasonic treatment, after the completion of flocculating after 5min stop ultrasonic treatment；
S2: oxidation processes: it is 3~4 that the supernatant of step S1, which is adjusted pH value, is then pumped into decomposing pool, carries out again Intermission aeration processing keeps the gas circulation in decomposing pool, and controlling partial pressure of oxygen in decomposing pool is 0.2~1.5MPa；It recycles simultaneously Pipeline is constantly atomized circulation to breeding wastewater, handles 2~4h, is filtered again by membrane filter after the completion of processing；
S3: filtration treatment: modified adsorbing fiber will be added in step S2 treated breeding wastewater, while to breeding wastewater It carries out pulse electric floatation and handles 8~10h, then pulse electric floatation treated breeding wastewater is filtered again；
S4: it adsorption treatment: is pumped into adsorption tank to the filtered breeding wastewater of step S3 and utilizes the high frequency in adsorption tank Plasma discharging generator carries out ionization process to breeding wastewater, and the breeding wastewater after step S3 filtration treatment is penetrated by centrifugation Stream device is ejected into adsorption tank, then is opened ozone generator and carried out oxidation resolution, and 8~10h is handled.
Further, when carry out intermission aeration processing in step S2, the pulse period is 5~10min, will be in decomposing pool Breeding wastewater constantly recycles atomization, oxygen transfer motive force can be improved, coefficient of oxygen utilization is high, so that the oxidation operation in breeding wastewater It decomposes.
Further, the modification adsorbing fiber in step S3 is made by following steps: by polyfluortetraethylenanofibre nanofibre base Body is placed under high-pressure electrostatic environment and is pre-processed；The polytetrafluoroethylene (PTFE) sodium fibrous matrix pre-processed is put into volume basis again Than in the methacrylic acid monomer aqueous solution for 10~25%, using microwave heating to 30~45 DEG C；Then according still further to volume ratio The solution after heating is added in ethylene glycol solvent for 1:5, then adds the copper naphthenate that mass percent is 0.1~2.0%, Obtain mixed liquor；Then mixed liquor is placed in ultrasound reactor, ultrasonic frequency 500W, and being passed through cryogenic temperature is 3 Initiator is added in~6 DEG C of dry mixed gas；It is finally mixed for 1:20 with tartaric acid according to mass ratio, under magnetic fields Stir to get modified adsorbing fiber；Wherein, mixed gas is that argon gas and nitrogen are mixed according to volume ratio 1:1.2, can be right Heavy metal and tiny sundries in breeding wastewater are adsorbed, and removal rate is high.
Further, polytetrafluoroethylene (PTFE) sodium nanofiber is before pretreatment, first impregnate 8 in the hydrochloric acid that pH is 5.5~6~ Then temperature is being increased to 50~60 DEG C using heating water bath, is improving specific surface area, stability when being prepared by 13min By force.
The device that a kind of breeding wastewater combined treatment process of above-mentioned overall-in-one control schema is used, mainly include filtering ponds, Conditioning tank, decomposing pool, pulse electric floatation pond, adsorption tank, suction pump, PLC controller；The suction pump includes suction pump one, draws water Pump two, suction pump three, suction pump four, suction pump five；Be equipped with filter screen in the filtering ponds, the filter screen be used for compared with Big solid waste is filtered processing；The conditioning tank be connected to by the intake pump one with filtering ponds, conditioning tank top equipped with into Batch can, adjusting bottom of pond portion and being equally spaced has ultrasonic probe, and the ultrasound probe is connected with extraneous ultrasonic generator, inside conditioning tank Equipped with separator, for being separated by solid-liquid separation to the suspended matter in breeding wastewater；The decomposing pool is communicated with filtering mesh screen, is used for To adsorption treatment is carried out in conditioning tank treated breeding wastewater, the filtering mesh screen is connected by the suction pump two with conditioning tank Logical, decomposing pool includes framework, adjusts sieve, uniform atomizing device, blender, is equipped with water inlet above the framework, framework bottom is set There is water outlet, the adjusting sieve is located inside framework, and the uniform atomizing device is connected to the water inlet, and the blender is located at Sieve lower section is adjusted, framework bottom is evenly distributed with intermission aeration head, and air pressure inductor is equipped with inside framework, is equipped with and follows outside framework Endless tube road, the circulating line are equipped with the suction pump three, carry out atomization circulation for the breeding wastewater to decomposing pool, recycle Pipeline upper end is connected to uniform atomizing device, and circulating line lower end is connected to bottom of pond portion is decomposed；The pulse electric floatation pond passes through described Suction pump four is connected to decomposing pool, and electrode is equipped with inside pulse electric floatation pond, is equipped with Slag filter, the filter residue inside pulse electric floatation pond Device is used to remove the heavy metal or fine impurities of breeding wastewater, and the adsorption tank passes through the suction pump five and pulse electric floatation pond Connection, adsorption tank outer wall are equipped with sliding rail, and the opposite magnet of magnetic pole is symmetrically arranged on the sliding rail, and the magnet is equipped with sliding block, Magnet is connect with adsorption tank by sliding rail, sliding block, and high-frequency discharge plasma emitter and ozone generator are equipped with inside adsorption tank, The electrode of the high-frequency discharge plasma emitter be it is symmetrical above and below, the PLC controller and the filtering ponds, conditioning tank, point Xie Chi, pulse electric floatation pond, adsorption tank, suction pump, PLC controller are electrically connected.
Further, be equipped with reciprocating sieve in the middle part of the pulse electric floatation pond, the electrode be equipped with it is multipair, staggeredly point in head and the tail Cloth reduces power consumption, increases electrode to the contact area of breeding wastewater, increases the bubble utilization rate in pulse electric floatation pond.
Further, filtering filtering material component meter by weight used in mesh screen is by 8-13 parts of coconut husk charcoals, 20-25 parts of calcium Base bentonite, 4-5 part silicate, 2-6 parts of polystyrene compositions, 1-5 parts of atlapulgite compositions, to the emulsification in breeding wastewater Oil, solubility COD substance further Adsorption.
Further, framework bottom symmetrical is equipped with oblique piece, and the intermission aeration head 35 is set on described oblique piece, described The paddle fan of blender is interspersed, and for the breeding wastewater uniform stirring processing to aeration, blender is to breeding wastewater It is stirred, raising coefficient of oxygen utilization that can be more efficient can get preferable denitrification effect.
Further, filtering material the preparation method comprises the following steps: by coconut husk charcoal, calcium-base bentonite, atlapulgite press said ratio Mixing carries out pulverization process under the conditions of temperature is 50~60 DEG C；Then pressure be 0.1~0.3MPa, stirring rate 150 It under conditions of~200r/min, immerses in the alkaline solution of pH7.1~8.2 and stirs, 3~6min takes out；By being 30 in temperature It is dried at~35 DEG C；Then by after drying and processing coconut husk charcoal, calcium-base bentonite, atlapulgite and silicate, polystyrene into Row mixing, under nitrogen protection, is warming up to 210~260 DEG C, is sintered, then temperature is risen to 280~300 DEG C, processing 30 ~40min stands wind, obtains filtering material, removal rate is high, and highly-safe, adsorption specific surface area is big, adaptable.
The beneficial effects of the present invention are:
1) treatment process of the invention is safe and nontoxic, noresidue, not will cause secondary pollution, works well, treated Breeding wastewater can reach discharge standard, and applicability is wide；
2) present invention can remove solid waste therein, and pass through oxidation processes middle arteries by pre-processing to breeding wastewater The continuous atomization of punching aeration and breeding wastewater recycles, and oxygen transfer motive force can be improved, coefficient of oxygen utilization is high, so that in breeding wastewater Oxidation operation decomposes, and filters in conjunction with membrane filter, improves the decomposition solution removal efficiency of organic matter；
3) present invention is by being added modified adsorbing fiber, and carries out pulse electric floatation processing, further in breeding wastewater Impurity carry out separating treatment and reduce the pollution of heavy metal, realize separation of solid and liquid process, modified adsorbing fiber convenient for recycling again It utilizes；
4) present invention can eliminate the peculiar smell of breeding wastewater, aoxidize peculiar smell by carrying out adsorption treatment to breeding wastewater Resolution, so that water outlet is without obvious peculiar smell, waste water after processing can reach discharge standard.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the processing unit of processing breeding wastewater of the invention；
Fig. 2 is the structural schematic diagram of decomposing pool of the invention；
Fig. 3 is the structural schematic diagram in pulse electric floatation pond；
Wherein, 1- filtering ponds, 2- conditioning tank, 21- head tank, 22- ultrasound probe, 3- decomposing pool, 31- framework, 32- are adjusted Sieve, 33- uniform atomizing device, 34- blender, 35- intermission aeration head, 36- circulating line, 4- pulse electric floatation pond, 41- electrode, 42- Slag filter, 5- adsorption tank, 51- high-frequency discharge plasma generator, 52- ozone generator, 6-PLC controller, 71- suction pump One, 72- suction pump two, 73- suction pump three, 74- suction pump four, 75- suction pump five, 8- filter.
Specific embodiment
Embodiment 1
A kind of breeding wastewater combined treatment process of overall-in-one control schema, comprising the following steps:
S1: pretreatment: breeding wastewater is by filtering ponds coarse filtration, then is pumped into conditioning tank, adjusts breeding wastewater pH value 6, flocculant is added according to the 0.1% of feedwater quality, then adds the flocculant of feedwater quality 0.1%, stands, consolidate Liquid separation takes supernatant；Wherein, 10min before addition flocculant, carries out the ultrasonic treatment that supersonic frequency is 100kHz, wait flocculate At stopping ultrasonic treatment after rear 5min；
S2: oxidation processes: it is 3 that the supernatant of step S1, which is adjusted pH value, is then pumped into decomposing pool again, carries out pulse Air Exposure, pulse period 5min keep the gas circulation in decomposing pool, and controlling partial pressure of oxygen in decomposing pool is 0.2MPa；Together When circulating line be constantly atomized circulation to breeding wastewater, handle 2h, be filtered again by membrane filter after the completion of processing；
S3: filtration treatment: polytetrafluoroethylene (PTFE) sodium nanofiber first impregnates in the hydrochloric acid that pH is 5.5 before pretreatment Then temperature is being increased to 50 DEG C using heating water bath, is finally being cleaned 1 time with deionized water by 8min, then by polytetrafluoroethylene (PTFE) Nanofiber matrix is placed under high-pressure electrostatic environment and is pre-processed；The polytetrafluoroethylene (PTFE) sodium fibrous matrix pre-processed is put again Enter in the methacrylic acid monomer aqueous solution that percent by volume is 10% using microwave heating to 30 DEG C；Then according still further to volume ratio The solution after heating is added in ethylene glycol solvent for 1:5, then adds the copper naphthenate that mass percent is 0.1%, is obtained Mixed liquor；Then mixed liquor is placed in ultrasound reactor, ultrasonic wave 500W, and is passed through the drying that cryogenic temperature is 3 DEG C 0.08g ammonium persulfate initiator is added in mixed gas；It is finally mixed for 1:20 with tartaric acid according to mass ratio, in magnetic fields Under stir to get modified adsorbing fiber；Wherein, mixed gas is that argon gas and nitrogen are mixed according to volume ratio 1:1.2, finally Modified adsorbing fiber will be added in step S2 treated breeding wastewater, while pulse electric floatation is carried out to breeding wastewater and handles 8h, Then pulse electric floatation treated breeding wastewater is filtered again；
S4: it adsorption treatment: is pumped into adsorption tank to the filtered breeding wastewater of step S3 and utilizes the high frequency in adsorption tank Plasma discharging generator carries out ionization process to breeding wastewater, and the breeding wastewater after step S3 filtration treatment is penetrated by centrifugation Stream device is ejected into adsorption tank, then is opened ozone generator and carried out oxidation resolution, and 8h is handled.
The device that a kind of breeding wastewater combined treatment process of above-mentioned overall-in-one control schema is used, mainly include filtering ponds 1, Conditioning tank 2, decomposing pool 3, pulse electric floatation pond 4, adsorption tank 5, suction pump, PLC controller 6；Suction pump includes suction pump 1, takes out Water pump 2 72, suction pump 3 73, suction pump 4 74, suction pump 5 75；Filter screen is equipped in filtering ponds 1, filter screen is used for Processing is filtered to larger solid waste；Conditioning tank 2 is connected to by intake pump 1 with filtering ponds 1, above conditioning tank 2 equipped with into Batch can 21,2 bottom of conditioning tank, which is equally spaced, ultrasonic probe 22, and ultrasonic probe 22 is connected with extraneous ultrasonic generator, conditioning tank 2 Inside is equipped with separator, for being separated by solid-liquid separation to the suspended matter in breeding wastewater；Decomposing pool 3 is communicated with filtering mesh screen 8, uses Adsorption treatment is carried out in treated the breeding wastewater of conditioning tank 2, filtering mesh screen 8 is connected by suction pump 2 72 and conditioning tank 2 Logical, decomposing pool 3 includes framework 31, adjusts sieve 32, uniform atomizing device 33, blender 34, is equipped with water inlet, framework above framework 31 31 bottoms are equipped with water outlet, adjust sieve 32 and are located inside framework 1, uniform atomizing device 33 is connected to water inlet, and blender 34 is located at Sieve lower section is adjusted, 31 bottom of framework is evenly distributed with intermission aeration head 35, and 31 bottom symmetrical of framework is equipped with oblique piece, intermission aeration First 35 are set on described oblique piece, and the paddle fan of blender 34 is interspersed, and uniformly stir for the breeding wastewater to aeration Processing is mixed, air pressure inductor is equipped with inside framework 31, circulating line 36 is equipped with outside framework 31, circulating line 34 is equipped with and draws water 3 73 are pumped, carries out atomization circulation for the breeding wastewater to decomposing pool 3,34 upper end of circulating line is connected to uniform atomizing device 33, 34 lower end of circulating line is connected to 3 bottom of decomposing pool；Pulse electric floatation pond 4 is connected to by suction pump 4 74 with decomposing pool 3, pulse electricity Be equipped with electrode 41 inside floating pond 4, be equipped with reciprocating sieve in the middle part of pulse electric floatation pond 4, electrode 41 be equipped with it is multipair, in being interspersed from beginning to end, Slag filter 42 is equipped with inside pulse electric floatation pond 4, Slag filter 42 is used to remove the heavy metal or fine impurities of breeding wastewater, absorption Pond 5 is connected to by suction pump 5 75 with pulse electric floatation pond 4, and 5 outer wall of adsorption tank is equipped with sliding rail, and it is opposite to be symmetrically arranged with magnetic pole on sliding rail Magnet, magnet is equipped with sliding block, and magnet connect with adsorption tank by sliding rail, sliding block, equipped with high-frequency discharge etc. inside adsorption tank 5 Ion emitter 51 and ozone generator 52, the electrode of high-frequency discharge plasma emitter 51 be it is symmetrical above and below, by electrode discharge, The ozone generator 52 of two sides discharges ozone, and under the action of rotating excitation field, is ionizing under physical action, is being detached from peculiar smell Breeding wastewater guarantees that cultivation wastewater purification efficiency is more preferable, PLC controller and filtering ponds 1, conditioning tank 2, decomposing pool 3, pulse electric floatation Pond 4, adsorption tank 5, suction pump, PLC controller 6 are electrically connected.
Wherein, the component meter by weight of filtering material used in filter 8 is by 13 parts of coconut husk charcoals, 25 parts of calcium-base bentonites, 5 Part silicate, 6 parts of polystyrene compositions, 5 parts of atlapulgites compositions, preparation method are as follows: by coconut husk charcoal, calcium-base bentonite, work Property carclazyte by said ratio mix, temperature be 60 DEG C under the conditions of carry out pulverization process；Then it is 0.3MPa, stirs speed in pressure It under conditions of rate is 200r/min, immerses in the alkaline solution of pH8.2 and stirs, 6min takes out；By temperature be 35 DEG C at dry It is dry；Then the coconut husk charcoal after drying and processing, calcium-base bentonite, atlapulgite are mixed with silicate, polystyrene, in nitrogen Under gas shielded, 260 DEG C are warming up to, is sintered, then temperature is risen to 300 DEG C, handle 40min, stood wind, filtered Material, removal rate is high, and highly-safe, adsorption specific surface area is big, adaptable.
Water quality parameter using device and method processing sewage changes: before water inlet: COD 90-100mg/L, BOD5 45- 60mg/L, SS 25-45mg/L, ammonia-nitrogen content 50-65mg/L, TP 20-23mg/L；After water outlet: COD 30-35mg/L, BOD5 10-15mg/L, SS 2.1-3.5mg/L, ammonia-nitrogen content 10-13mg/L, TP 5-6mg/L, colour removal rate 92%.
Embodiment 2
Unlike the first embodiment, the breeding wastewater combined treatment process of a kind of overall-in-one control schema, comprising the following steps:
S1: pretreatment: breeding wastewater is by filtering ponds coarse filtration, then is pumped into conditioning tank, adjusts breeding wastewater pH value 6.5, flocculant is added according to the 0.2% of feedwater quality, then adds the flocculant of feedwater quality 0.2%, stands, carry out Separation of solid and liquid takes supernatant；Wherein, 10min before addition flocculant, carries out the ultrasonic treatment that supersonic frequency is 100kHz, wait flocculate Stop ultrasonic treatment after 5min after the completion；
S2: oxidation processes: it is 3.5 that the supernatant of step S1, which is adjusted pH value, is then pumped into decomposing pool again, carries out arteries and veins Air Exposure is rushed, the pulse period is that 8min keeps the gas in decomposing pool to recycle, and controlling partial pressure of oxygen in decomposing pool is 1.0MPa；Together When circulating line be constantly atomized circulation to breeding wastewater, handle 3h, be filtered again by membrane filter after the completion of processing；
S3: filtration treatment: polytetrafluoroethylene (PTFE) sodium nanofiber first impregnates in the hydrochloric acid that pH is 5.8 before pretreatment Then temperature is being increased to 55 DEG C using heating water bath, is finally being cleaned 1 time with deionized water by 10min, then by polytetrafluoroethylene (PTFE) Nanofiber matrix is placed under high-pressure electrostatic environment and is pre-processed；The polytetrafluoroethylene (PTFE) sodium fibrous matrix pre-processed is put again Enter in the methacrylic acid monomer aqueous solution that percent by volume is 20%, using microwave heating to 40 DEG C；Then according still further to volume Than the solution after heating is added in ethylene glycol solvent for 1:5, then the copper naphthenate that mass percent is 1.0% is added, obtained To mixed liquor；Then mixed liquor is placed in ultrasound reactor, ultrasonic wave 500W, and being passed through cryogenic temperature is 5 DEG C dry 0.08g ammonium persulfate initiator is added in dry mixed gas；It finally mixes for 1:20 with tartaric acid according to mass ratio, makees in magnetic field Modified adsorbing fiber is stirred to get under；Wherein, mixed gas is that argon gas and nitrogen are mixed according to volume ratio 1:1.2.It will Modified adsorbing fiber is added in step S2 treated breeding wastewater, while pulse electric floatation is carried out to breeding wastewater and handles 8h, so Pulse electric floatation treated breeding wastewater is filtered again afterwards；
S4: it adsorption treatment: is pumped into adsorption tank to the filtered breeding wastewater of step S3 and utilizes the high frequency in adsorption tank Plasma discharging generator carries out ionization process to breeding wastewater, and the breeding wastewater after step S3 filtration treatment is penetrated by centrifugation Stream device is ejected into adsorption tank, then is opened ozone generator and carried out oxidation resolution, and 9h is handled.
Water quality parameter using device and method processing sewage changes: before water inlet: COD 85-95mg/L, BOD5 35- 40mg/L, SS 30-45mg/L, ammonia-nitrogen content 45-55mg/L, TP 15-23mg/L；After water outlet: COD 15-20mg/L, BOD5 8-13mg/L, SS 1.8-2.1mg/L, ammonia-nitrogen content 8-13mg/L, TP 4-5mg/L, colour removal rate 95%.
Embodiment 3
Unlike the first embodiment, the breeding wastewater combined treatment process of a kind of overall-in-one control schema, comprising the following steps:
S1: pretreatment: breeding wastewater is by filtering ponds coarse filtration, then is pumped into conditioning tank, adjusts breeding wastewater pH value 7, flocculant is added according to the 0.3% of feedwater quality, then adds the flocculant of feedwater quality 0.3%, stands, consolidate Liquid separation takes supernatant；Wherein, 10min before addition flocculant, carries out the ultrasonic treatment that supersonic frequency is 100kHz, wait flocculate At stopping ultrasonic treatment after rear 5min；
S2: oxidation processes: it is 4 that the supernatant of step S1, which is adjusted pH value, is then pumped into decomposing pool again, carries out pulse Air Exposure, pulse period 10min keep the gas circulation in decomposing pool, and controlling partial pressure of oxygen in decomposing pool is 1.5MPa；Together When circulating line be constantly atomized circulation to breeding wastewater, handle 4h, be filtered again by membrane filter after the completion of processing；
S3: filtration treatment: polytetrafluoroethylene (PTFE) sodium nanofiber first impregnates in the hydrochloric acid that pH is 6 before pretreatment Then temperature is being increased to 60 DEG C using heating water bath, is finally being cleaned 2 times with deionized water by 13min, then by polytetrafluoroethylene (PTFE) Nanofiber matrix is placed under high-pressure electrostatic environment and is pre-processed；The polytetrafluoroethylene (PTFE) sodium fibrous matrix pre-processed is put again Enter in the methacrylic acid monomer aqueous solution that percent by volume is 25%, using microwave heating to 45 DEG C；Then according still further to volume Than the solution after heating is added in ethylene glycol solvent for 1:5, then the copper naphthenate that mass percent is 2.0% is added, obtained To mixed liquor；Then mixed liquor is placed in ultrasound reactor, ultrasonic wave 500W, and being passed through cryogenic temperature is 6 DEG C dry 0.08g ammonium persulfate initiator is added in dry mixed gas；It finally mixes for 1:20 with tartaric acid according to mass ratio, makees in magnetic field Modified adsorbing fiber is stirred to get under；Wherein, mixed gas is that argon gas and nitrogen are mixed according to volume ratio 1:1.2, most Modified adsorbing fiber will be added in step S2 treated breeding wastewater afterwards, while pulse electric floatation processing is carried out to breeding wastewater Then 8h again filters pulse electric floatation treated breeding wastewater；
S4: it adsorption treatment: is pumped into adsorption tank to the filtered breeding wastewater of step S3 and utilizes the high frequency in adsorption tank Plasma discharging generator carries out ionization process to breeding wastewater, and the breeding wastewater after step S3 filtration treatment is penetrated by centrifugation Stream device is ejected into adsorption tank, then is opened ozone generator and carried out oxidation resolution, and 10h is handled.
Water quality parameter using device and method processing sewage changes: before water inlet: COD 95-110mg/L, BOD5 55- 70mg/L, SS 20-30mg/L, ammonia-nitrogen content 45-55mg/L, TP 10-15mg/L；After water outlet: COD 10-13mg/L, BOD5 3-6mg/L, SS 1.6-2.3mg/L, ammonia-nitrogen content 6-8mg/L, TP4-6mg/L, colour removal rate 98%.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution It encloses.

Claims (9)

1. a kind of breeding wastewater combined treatment process of overall-in-one control schema, which comprises the following steps:
S1: pretreatment: breeding wastewater is by filtering ponds coarse filtration, then is pumped into conditioning tank, adjust breeding wastewater pH value 6~ 7, flocculant is added according to the 0.1%~0.3% of feedwater quality, then adds the flocculation of feedwater quality 0.1%~0.3% Agent is stood, and is carried out separation of solid and liquid and is taken supernatant；Wherein, 10min before addition flocculant, carrying out supersonic frequency is the super of 100kHz Sonication stops ultrasonic treatment after the completion of flocculating after 5min；
S2: oxidation processes: it is 3~4 that the supernatant of step S1, which is adjusted pH value, is then pumped into decomposing pool again, carries out pulse Air Exposure keeps the gas circulation in decomposing pool, and controlling partial pressure of oxygen in decomposing pool is 0.2~1.5MPa；Circulating line simultaneously It is constantly atomized circulation to breeding wastewater, handles 2~4h, is filtered again by membrane filter after the completion of processing；
S3: filtration treatment: modified adsorbing fiber will be added in step S2 treated breeding wastewater, while breeding wastewater is carried out Pulse electric floatation handles 8~10h, then filters again to pulse electric floatation treated breeding wastewater；
S4: it adsorption treatment: is pumped into adsorption tank to the filtered breeding wastewater of step S3 and utilizes the high-frequency discharge in adsorption tank Plasma generator carries out ionization process to breeding wastewater, and the breeding wastewater after step S3 filtration treatment is passed through centrifugation ejector It is ejected into adsorption tank, then opens ozone generator and carry out oxidation resolution, handle 8~10h.
2. a kind of breeding wastewater combined treatment process of overall-in-one control schema as described in claim 1, which is characterized in that the step When carry out intermission aeration processing in rapid S2, the pulse period is 5~10min.
3. a kind of breeding wastewater combined treatment process of overall-in-one control schema as described in claim 1, which is characterized in that the step Modification adsorbing fiber in rapid S3 is made by following steps: polyfluortetraethylenanofibre nanofibre matrix is placed under high-pressure electrostatic environment It is pre-processed；The polytetrafluoroethylene (PTFE) sodium fibrous matrix pre-processed is put into the methyl-prop that percent by volume is 10~25% again In acrylic monomer aqueous solution, using microwave heating to 30~45 DEG C；Then the solution after heating is added for 1:5 according still further to volume ratio Enter into ethylene glycol solvent, then add the copper naphthenate that mass percent is 0.1~2.0%, obtains mixed liquor；It then will mixing Liquid is placed in ultrasound reactor, and is passed through the dry mixed gas that cryogenic temperature is 3~6 DEG C, and initiator is added；Finally according to Mass ratio is that 1:20 is mixed with tartaric acid, and modified adsorbing fiber is stirred to get under magnetic fields；Wherein, mixed gas is argon gas It is mixed with nitrogen according to volume ratio 1:1.2.
4. a kind of breeding wastewater combined treatment process of overall-in-one control schema as claimed in claim 3, which is characterized in that described poly- Tetrafluoroethene sodium nanofiber first impregnates 8~13min before pretreatment in the hydrochloric acid that pH is 5.5~6, is then utilizing water Temperature is increased to 50~60 DEG C by bath heating, is finally cleaned 1~2 time with deionized water.
5. a kind of breeding wastewater combined treatment process of overall-in-one control schema as described in claim 1-4 any one uses dress Set, which is characterized in that mainly include filtering ponds (1), conditioning tank (2), decomposing pool (3), pulse electric floatation pond (4), adsorption tank (5), Suction pump, PLC controller (6)；The suction pump includes suction pump one (71), suction pump two (72), suction pump three (73), draws water Pump four (74), suction pump five (75)；Filter screen is equipped in the filtering ponds (1)；The conditioning tank (2) passes through the intake pump One (71) are connected to filtering ponds (1), are equipped with head tank (21) above conditioning tank (2), and bottom is equally spaced conditioning tank (2) ultrasound Probe (22), the ultrasound probe (22) are connected with extraneous ultrasonic generator, and conditioning tank (2) inside is equipped with separator, and described point Xie Chi (3) is communicated with filtering mesh screen (8), and the filtering mesh screen (8) is connected to by the suction pump two (72) with conditioning tank (2), Decomposing pool (3) includes framework (31), adjusts sieve (32), uniform atomizing device (33), blender (34), is set above the framework (31) There is water inlet, framework (31) bottom is equipped with water outlet, and the adjusting sieve (32) is located at framework (1) inside, the uniform atomizing device (33) it is connected to the water inlet, the blender (34), which is located at, adjusts sieve lower section, and framework (31) bottom is evenly distributed with pulse Aeration head (35), framework (31) is internal to be equipped with air pressure inductor, is equipped with circulating line (34) outside framework (31), the circulation pipe Road (36) is equipped with the suction pump three (73), and circulating line (34) upper end is connected to uniform atomizing device (33), circulating line (34) lower end is connected to decomposing pool (3) bottom；The pulse electric floatation pond (4) passes through the suction pump four (74) and decomposing pool (3) Connection is equipped with electrode (41) inside pulse electric floatation pond (4), is equipped with Slag filter (42) inside pulse electric floatation pond (4), the Slag filter (42) for being removed to the heavy metal or fine impurities of breeding wastewater, the adsorption tank (5) by the suction pump five (75) with Pulse electric floatation pond (4) connection, adsorption tank (5) outer wall is equipped with sliding rail, is symmetrically arranged with the opposite magnet of magnetic pole on the sliding rail, described Magnet is equipped with sliding block, and magnet is connect with adsorption tank by sliding rail, sliding block, and high-frequency discharge plasma is equipped with inside adsorption tank (5) Transmitter (51) and ozone generator (52), the PLC controller and the filtering ponds (1), conditioning tank (2), decomposing pool (3), Pulse electric floatation pond (4), adsorption tank (5), suction pump, PLC controller (6) are electrically connected.
6. a kind of device of the breeding wastewater combined treatment of overall-in-one control schema as claimed in claim 5, which is characterized in that described Be equipped with reciprocating sieve in the middle part of pulse electric floatation pond (4), the electrode be equipped with it is multipair, in being interspersed from beginning to end.
7. a kind of device of the breeding wastewater combined treatment of overall-in-one control schema as claimed in claim 5, which is characterized in that described Filtering mesh screen (8) used in filtering material component meter by weight be by 8~13 parts of coconut husk charcoals, 20~25 parts of calcium-base bentonites, 4~ 5 parts of silicates, 2~6 parts of polystyrene compositions, 1~5 part of atlapulgite composition.
8. a kind of device of the breeding wastewater combined treatment of overall-in-one control schema as claimed in claim 5, which is characterized in that described Framework (31) bottom symmetrical is equipped with oblique piece, and the intermission aeration head (35) is set on described oblique piece, the blender (34) Paddle fan be interspersed, for aeration breeding wastewater uniform stirring processing.
9. a kind of device of the breeding wastewater combined treatment of overall-in-one control schema as claimed in claim 5, which is characterized in that described Filtering mesh screen (8) used in filtering material component meter by weight be by 8~13 parts of coconut husk charcoals, 20~25 parts of calcium-base bentonites, 1~ 5 parts of atlapulgite compositions.
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