CN106277637A - A kind of method and system processing black smelly surface water - Google Patents
A kind of method and system processing black smelly surface water Download PDFInfo
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- CN106277637A CN106277637A CN201610825019.9A CN201610825019A CN106277637A CN 106277637 A CN106277637 A CN 106277637A CN 201610825019 A CN201610825019 A CN 201610825019A CN 106277637 A CN106277637 A CN 106277637A
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- 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
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- 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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- 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
- C02F3/341—Consortia of bacteria
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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
- 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
- C02F3/347—Use of yeasts or fungi
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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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
A kind of method processing black smelly surface water, step includes: 1) pending surface water is carried out scale inhibition；2) to through step 1) water that processes filters；3) to step 2 in closed tank) process the water that obtains and carry out increasing oxygen in water and electrocatalytic oxidation processes；4) to step 3) process the water obtained, carry out biochemical treatment；5) through step 4) process the water that obtains and be the water purification finally given.A kind of Surface Water Treatment Technology, occurs and storage device, gas-liquid mixed room, electrolytic processing apparatus, reactive oxygen species room and reaction surge chamber including the elevator pump being sequentially connected with by pipeline, antiscaling device, self-cleaning filter device, oxygen；Also include upper industrial computer；The original water inlet of the water inlet of elevator pump extremely native system, the outlet of reaction surge chamber is the pure water inlet of native system.The technical program efficiently can be administered surface water and not resulted in secondary pollution.
Description
Technical field
The invention relates to technical field of environment protection equipment, processes black smelly surface water technology particularly to one.
Technical background
Industrialized deeply and the geometric growth of the size of population, surface water quality pollution condition ratio is more serious, and this is not only
Socioeconomic development generation is had a strong impact on, also health is produced serious harm.Ministry of Water Resources is to China more than 700 bar rivers
Stream, about 100,000 kilometers of long water resources in river investigate, its result is: the river length of 46.5% is contaminated, water quality only reach IV class,
V class；The long severe contamination in river of 10.6%, water quality is bad V class, and water body has lost use value；The urban waters of more than 90% is dirty
Dye is serious.
At present, the process of black smelly surface water mainly uses artificial swamp, stabilization pond, soil filtration and purifying biogas generating pit etc.
Ecological vegetable treatment technology based on engineering measure, serves effect to control water pollution to a certain extent, but deposits
Low at organic removal rate, regulation effect is unstable, floor space is too big, selectivity is compared with the shortcoming such as strong, later maintenance is loaded down with trivial details.
Therefore, need that exploitation is a kind of can efficiently administer and do not result in the surface water treatment technology of secondary pollution badly.
Summary of the invention
The present invention proposes a kind of surface water treatment skill having electrocatalytic oxidation function and increasing Dissolved Oxygen in Water function
Art.Specific as follows:
A kind of method processing black smelly surface water, is characterized in that step includes:
1) pending surface water carrying out scale inhibition: the pipeline at pending surface water applies electromagnetic wave, induction hydrone produces
Raw resonance；Described electromagnetic wave is wound on pipeline generation by the coil being energized；Coil two ends are connected on the pulse power；The pulse power
Output be 660 watts, dutycycle is 10%～90%, and frequency is 1.75kHz；
2) to through step 1) water that processes filters；
3) to step 2 in closed tank) process the water that obtains and carry out increasing oxygen in water and electrocatalytic oxidation processes；
3.1) step increasing oxygen in water includes:
3.1.1) first prepare oxygen, oxygen is passed through in closed tank；
3.1.2) in the water in closed tank, blade high speed rotating, form negative pressuren zone；Blade is provided with through hole, blade
Inside being provided with cavity, cavity connects with through hole；Step 3.1.1) oxygen that obtains entered in the cavity of blade, and entered by through hole
Negative pressuren zone；Blade drives water high speed rotating, and oxygen is uniformly cut into minute bubbles by the liquid of high speed rotating；
The pressure of described negative pressuren zone is 0.25Mpa～0.35Mpa (preferably 0.30Mpa)；
Pressure size determines negative pressure during oxygen intake, under 0.30Mpa pressure, increases DO better.
3.1.3) again minute bubbles are pressurizeed by the blade of high speed rotating, obtain nanoscale microbubble, and make microbubble keep
High speed kinetic energy；
The rotating speed of blade is 1420r/m, then the pressure to minute bubbles pressurization is 0.4～0.43Mpa (preferably
0.423Mpa)；
Pressure is the biggest, and the dissolubility of oxygen is the strongest；Choosing 0.423Mpa in view of actual condition, in water, DO value is optimal.
The speed of microbubble is 160～320m/s；
3.2) electrocatalytic oxidation processes:
Producing a large amount of active groups by the catalytic oxidation process of electrode, these groups include that superoxide radical, hydroxyl are certainly
By base and H2O2；
H2O——H++OH-
MOx+H2O→MOx(·OH)+H++e-
MOx(·OH)→MOx+1+H++e-
R+MOx(·OH)z→ROz+MOx+z H++ze-
R+MOx+1→RO+MOx
O2+e-——O2 -
O3+e-——O3 -
OH-+H2O——H3O2 -
2NH3+H2O2+O2——N2+4H2O
Wherein: MOx: metal-oxide；MOx+1: metal peroxides；R represents organic pollution；MOx(OH): absorption
The metal-oxide of OH；RO: oxidized organic pollution；O2 -: oxygen anion；O3 -: ozone anion；H3O2 -: hydrated hydroxide
Root；
4) to step 3) process the water that obtains, carry out biochemical treatment:
4.1) biological sludge is first used to step 3) process and obtain water and process:
Biological sludge includes antibacterial and protozoacide two class；Antibacterial includes free bacterium, zoogloea and/or filamentous bacteria；Former
Raw type of animal includes meat foot class, flagellates, infusorians and/or Siphonata；These thalline control zoogloea and/or filamentous bacteria
Quantity is less than 20%；During more than 20%, the meeting of the filamentous bacteria in activated sludge amount reproduction, produces and expands, it is impossible to effectively decomposing has
Easily washed away by current in the presence of machine thing, and substantial amounts of mud.
The pH value of water is 6.5～8.0, and process time average is 24h；Water temperature maintains 25 DEG C ± 3 DEG C, the throwing of biological sludge
Dosage is 2500mg/L；Adding frequency is within 3 months, to add 1 time；
4.2) again with probiotics to through step 4.1) process the water that obtains and process:
Described probiotics is bacillus subtilis, photosynthetic bacteria, lactic acid bacteria, yeast, nitrobacteria and/or trematodiasis arc
Bacterium；
What content was higher is bacillus subtilis, photosynthetic bacteria and lactic acid bacteria, and their mass ratio controls at 2:1:1；
Also have a small amount of yeast, Bdellovibrio, nitrobacteria and/or sulfur bacteria etc..
Water temperature controls at 25 DEG C～35 DEG C, and the process time is 10min ± 2min；
5) through step 4) process the water that obtains and be the water purification finally given.
Described step 2) in, utilize the bulky grain in 200 mesh self-cleaning filter trap water, reduction turbidity, purify water；
The cylinder of filter uses carbon steel, and filter screen material uses 316L rustless steel；Filter screen totally 3 groups, often group 12；
Being provided with pressure difference transmitter in self-cleaning filter, when the pressure reduction at filter screen two ends reaches setting value, motor starts fortune
Turn and drive brush at internal rotating, filter screen to be scrubbed；The setting value of pressure reduction, determines according to the turbidity of former water, and turbidity is more
Greatly, the force value of setting is the least.
Described step 3.1.1) in, the method for oxygen processed is to utilize molecular sieve adsorption separation air, carries out nitrogen oxygen separating mistake
Journey prepares oxygen, and carries out buffer-stored with a storage tank.
Described step 3.2) in, 3～5 groups of electrodes it is used for reacting；The both positive and negative polarity of these electrodes is changed；Both positive and negative polarity turns
The opportunity changed is to be determined by electrical conductivity of water, and once electrical conductivity exceedes threshold value, then change both positive and negative polarity；
Often organizing, filler is installed between electrode；Often distance≤the 15mm between group electrode, the thickness of described packing layer is
10mm；Filler uses the iron-holder ferrimanganic filler more than 70%, or the ferrum carbon filler that iron-holder is more than 70%.
A kind of Surface Water Treatment Technology of said method, including the elevator pump being sequentially connected with by pipeline, antiscaling device, from clear
Wash defecator, oxygen occurs and storage device, gas-liquid mixed room, electrolytic processing apparatus, reactive oxygen species room and reaction buffering
Room；Also include upper industrial computer；The original water inlet of the water inlet of elevator pump extremely native system, the outlet of reaction surge chamber is
The pure water inlet of native system；
A, described antiscaling device include the pulse power, pipeline and insulated conductor, and insulated conductor is wound on outside pipeline, the two of wire
End respectively connect the pulse power output "+" and "-" extreme；The control signal input of the pulse power connects upper by PLC
Industrial computer；
B, described self-cleaning filter are full automatic brush type self-cleaning filters；In full automatic brush type self-cleaning filter
Filter screen both sides are provided with pressure difference transmitter；The operation of the cleaning brush of full automatic brush type self-cleaning filter is controlled end and is connected by PLC
Upper industrial computer, the outfan of pressure difference transmitter connects upper industrial computer with PLC；
C, described oxygen occur to include separating air assembly and oxygen storage tank with storage device, separate the oxygen of air assembly
Outlet connects oxygen storage tank；The oxygen outlet of oxygen storage tank connects the oxygen intake of gas-liquid mixed room；
D, described electrolytic processing apparatus and gas-liquid mixed room share the tank body of same metal material；Metal can built with
Inner core；Inner core the first end is connected in the first end face of tank body；Second end of inner core is opening；Described water inlet is located at tank body
The first end face on, and the cavity surrounded with inner core connects；Described outlet is located on the first end face of tank body, inner tank theca with
The cavity that inner tank wall surrounds connects with outlet；
Being additionally provided with oxygen hose, the outlet side of oxygen hose is in tank body, and inlet end is outside tank body；The outlet side of oxygen hose is stretched into
Cavity in inner core；
Tank body is externally provided with motor, and the rotor of motor is connected by rotating shaft aeration impeller, and aeration impeller is in tank body, and position
Cavity in inner core；The outlet side of oxygen hose is corresponding with the position of aeration impeller；The blade of described aeration impeller is hollow,
Venthole is had on blade；The hollow of blade connects with the outlet side of oxygen hose；Motor connects upper industrial computer by PLC；
Being provided with battery lead plate in inner core, the outer rim shape of battery lead plate is corresponding with the inner edge shape of inner core；Battery lead plate is mesh
Shape；Two battery lead plate is contained in inner core in pairs, and battery lead plate is all vertical with the axis of inner core；Battery lead plate connects upper by PLC
Industrial computer；
The fixed circle animi resin of the outward flange of every pair of battery lead plate, this to the space between battery lead plate built with filler；
The mesh aperture of battery lead plate is less than the particle diameter of granulated filler；This is rarefaction to the filler between battery lead plate；
E, described reactive oxygen species are indoor equipped with biological sludge；Described reaction surge chamber is built with probiotics.
Described wire is insulated copper wire；Copper cash uses enamel-covered wire, the thick 2mm of copper cash；
Insulated conductor is spaced apart 1mm between pipeline outer wall close-packed arrays, adjacent turn coil and coil, 300～400
Circle.Coil is to ensure safety after being wound around, good by wrapped with insulation.
Full automatic brush type self-cleaning filter is with 200 mesh self-cleaning filters, the cylinder use carbon steel of this filter；Filter
Totally 3 groups of net, often group 12, filter screen material uses 316L rustless steel.
The bottom of described reactive oxygen species room is equipped with sewage draining exit, and sewage draining exit is equipped with electric control valve, and electric control valve is by PLC even
Connect an industrial computer；Sewage draining exit was opened once every 12 days, the mud of cleaning precipitation.
The technical program efficiently can be administered surface water and not resulted in secondary pollution.
Accompanying drawing explanation
Fig. 1 is the processing procedure schematic diagram of this method；
Fig. 2 is antiscaling device schematic diagram；
Fig. 3 is electrolytic processing apparatus and gas-liquid mixed room schematic diagram；
In figure: 1 surface water；2 elevator pumps；3 electromagnetism scale inhibition instrument；4 self-cleaning filters；5 gas-liquid mixed rooms；6 electrolysis process
Equipment；7 reactive oxygen species rooms；8 reaction surge chambers；9 separate air assembly；10 oxygen storage tanks, 11 dosing pumps；
The 2-1 pulse power, 2-2 pipeline, 2-3 insulated conductor；
3-1 tank body, 3-2 inner core, 3-3 outlet, 3-4 oxygen hose, 3-5 motor, 3-6 aeration impeller, 3-7 battery lead plate, 3-8
Water inlet, 3-9 venthole.
Detailed description of the invention
Waiting in the specific implementation, the technical program can be accomplished by
A kind of method processing black smelly surface water, comprises the following steps:
1) pending surface water is carried out scale inhibition: the pipeline at pending surface water applies specific electromagnetic signal, lures water
Molecule produces resonance；
Using the pulse power, voltage 220V, current constant is 3A, and dutycycle is 10%～90%.When electromagnetic signal frequency
UPVC insides of pipes for 1.75kHz, DN50 reaches as high as 5600mT, and also there is 620mT at center；Inside the carbon steel piping of DN50
High up to 4500mT, center is up to 300mT.Being typically mounted on the pipeline of below DN100, the least internal magnetic field of pipeline is more
Greatly, effect is the best.
2) to through step 1) water that processes filters；
3) to step 2 in closed tank) process the water that obtains and carry out increasing oxygen in water and electrocatalytic oxidation processes；
3.1) step increasing oxygen in water includes:
3.1.1) oxygen is first prepared；
3.1.2) followed by the solarization air cell's high speed rotating within aeration head, form negative pressuren zone, press as 0.25Mpa～
0.35Mpa, generally 0.30Mpa, make oxygen enter negative pressuren zone, the liquid of high speed rotating uniformly cut into by oxygen stingy
Bubble；
3.1.3) pressurizeed by high speed rotating again.Rotating speed is 1420r/m, and pressure forms class up to 0.42Mpa, high-pressure rotary
Likelihood dummy section, thus the formation nanoscale microbubble that pressurizes, and make microbubble keep high speed kinetic energy, the speed of microbubble is the highest can
Reach 160～320m/s；
3.2) electrocatalytic oxidation processes:
Producing a large amount of active groups by the catalytic oxidation process of electrode, these groups include that superoxide radical, hydroxyl are certainly
By base and H2O2；
H2O——H++OH-
MOx+H2O→MOx(·OH)+H++e-
MOx(·OH)→MOx+1+H++e-
R+MOx(·OH)z→ROz+MOx+z H++ze-
R+MOx+1→RO+MOx
O2+e-——O2 -
O3+e-——O3 -
OH-+H2O——H3O2 -
2NH3+H2O2+O2——N2+4H2O
(MOx: metal-oxide, MOx+1: metal peroxides；R represents organic pollution；MOx(OH): absorption OH's
Metal-oxide；RO: oxidized organic pollution；O2 -: oxygen anion；O3 -: ozone anion；H3O2 -: hydrated hydroxide root)
4) to step 3) water that processes, carry out biochemical treatment:
4.1) biological sludge is first used to step 3) process and obtain water and process.
Biological sludge the most important thing is antibacterial and protozoacide two class, and antibacterial is divided into free bacterium, zoogloea and filamentous bacteria
Three kinds, protozoacide type has meat foot class, flagellates, infusorians, Siphonata etc..PH value is about 6.5～8.0, process the time with
Electrocatalytic oxidation efficiency is relevant, and efficiency is the highest, processes the time the shortest, average about 24h.Aerobic process, temperature maintains 25 DEG C
Left and right.Dosage is 2500mg/L, adds and has the most afterwards at least 3 months and need not add, and concrete condition is with ruuning situation
For standard.
4.2) again with probiotics to through step 4.1) process the water that obtains and process.
Probiotics is meeting in the natural water bodies such as photosynthetic bacteria, spore, lactic acid bacteria, yeast, nitrobacteria, Bdellovibrio
A large amount of strains existed, will not destroy water body.General temperature controls between 25 DEG C～35 DEG C, time of staying 10min.By
In this type of strain add process after immediately return to original river course, use the selection time to add, at sunny, proper temperature
Situation effect last.
5) through step 4) process the water that obtains and be gained water purification.
Described step 2) in, utilize the bulky grain in 200 mesh self-cleaning filter trap water, reduction turbidity, purify water；
Filter entire body uses carbon steel, and filter screen uses 316L material；Filter screen totally 3 groups, often group 12.
Described step 3.1.1) in, the method for oxygen processed is to utilize molecular sieve adsorption separation air, carries out nitrogen oxygen separating mistake
Journey prepares oxygen, and buffers with a storage tank.
Described step 3.1.2) in, use continuous many mouthfuls of air-out apparatus；For tank body, internal also have a cylinder.
Described step 3.2) in, 3～5 groups of electrodes it is used for reacting；The both positive and negative polarity of these electrodes is changed, and both positive and negative polarity turns
The opportunity changed is to be determined by water conductivity, and once electrical conductivity exceedes threshold value, then change both positive and negative polarity.Electrical conductivity
Described step 3.2) in, often organizing, filler is installed between electrode.For ensureing the distance between electrolytic efficiency electrode
≤ 15mm, takes 10mm, and filler uses the iron-holder ferrimanganic filler more than 70%, or ferrum carbon filler
Described step 4) the mud (interval time is about 12 days) at set intervals of biochemical reaction room bottom precipitation
Cleaning is once；There is a sewage draining exit in tank base, the door controlled by electro-magnetic valve installed above, by automation control system control
Blowdown processed.
Such as Fig. 1～3, a kind of Surface Water Treatment Technology realizing described method, including the elevator pump being sequentially connected with by pipeline,
Antiscaling device, self-cleaning filter device, gas-liquid mixed room, electrolytic processing apparatus, reactive oxygen species room and reaction surge chamber；Also wrap
Include automation control system；The outlet of reaction surge chamber is the outlet of native system；
Described gas-liquid mixed room connects separation air assembly by air inlet pipe；Separate between air assembly and gas-liquid mixed room
Connect and have oxygen storage tank.
Antiscaling device insulated copper wire at pipe outer wall close-packed arrays, is spaced apart 1mm between coil and coil, about 300～400
Circle.Copper cash uses enamel-covered wire, the thick 2mm of copper cash.Coil is to ensure safety after being wound around, good by wrapped with insulation.
Self-cleaning filter uses full automatic brush type self-cleaning filter, is provided with pressure difference transmitter, when pressure reduction reaches
During setting value, motor automatically begins to operating and drives brush at internal rotating.Specifically set pressure difference, should come according to the turbidity of former water
Determining, turbidity is the biggest, and the force value of setting is the least.
Gas-liquid mixed is indoor and electrolytic processing apparatus is placed in a metal can, the micro-nano produced during gas-liquid mixed
Rice bubble is because having the highest energy, and the time of staying is the shortest, therefore, need to run through electrolytic processing apparatus and be converted into active oxygen certainly
By base.Water inlet is to ensure that the prolongation into the water time of staying with outlet design in the same side, and preferably degrade COD.
With detailed description of the invention, the technical program is further illustrated below in conjunction with the accompanying drawings:
The process black-odor riverway surface water method of the present embodiment, comprises the following steps:
1) on the main pipeline of water inlet end, installing electromagnetism scale inhibition equipment, this equipment can send specific frequency signal, induction pipe
In road, hydrone produces resonance；
(soluble calcium in solution is on the one hand stoped to be combined generation incrustation scale, on the other hand molecular resonance with carbonate ions
Having interrupted the hydrogen bond in liquid water compound, thus released substantial amounts of hydrone, the appearance of free water molecule means water dissolution
The increase of ability, makes incrustation scale dissolubility improve)
2) utilize the bulky grain in 200 mesh self-cleaning filter trap water, reduction turbidity, purify water.Filter entire body
Using carbon steel, filter screen uses 316L material.
For ensureing removal effect, filter screen totally 3 groups, 36.
3) flowing out water from self-cleaning filter and enter tank body, this tank body is to use cylindrical horizontal placement, complete in tank body
Become to increase oxygen in water and two processes of electrocatalytic oxidation.
For increasing the process of oxygen in water:
First with molecular sieve adsorption separation air, carry out nitrogen oxygen separating process and prepare oxygen, carry out with a storage tank
Buffering；
And then utilize aeration head at solarization air cell's high speed rotating, form negative pressuren zone, make oxygen enter negative pressuren zone, by high-speed rotary
Oxygen is uniformly cut into minute bubbles by the liquid turned, then forms microbubble by high speed rotating pressurization, and makes microbubble keep height
Quick-action can export.
Micro-nano bubble is not affected by oxygen dissolubility in water, is not limited by the external condition such as temperature, pressure, permissible
Water body stops for a long time.After micro-nano bubble enters water body at a high speed, produce extremely complex change by physical mode of action
Learning change, produce substantial amounts of reactive oxygen free radical, the energy of these reactive oxygen free radical can break the covalency between hydrone
Covalent bond between key, hydrone and pollutant, the chemical bond within pollutant are connected, and make active oxygen with molecular state and ionic state
Rapid solution becomes dissolved oxygen, simultaneously various active oxygen-derived free radicals Quick Oxidation degradation of contaminant in water.This process degradable
COD (COD), is beneficial to next step degraded.
Electrocatalytic oxidation process: in water body, dissolved oxygen concentration increases, produces a large amount of living by the catalytic oxidation process of electrode
Property group (mainly has superoxide radical, hydroxyl radical free radical, H2O2), the strong oxidizing property of active group can be with sterilization algae removal, degraded
COD。
H2O——H++OH-
MOx+H2O→MOx(·OH)+H++e-
MOx(·OH)→MOx+1+H++e-
R+MOx(·OH)z→ROz+MOx+z H++ze-
R+MOx+1→RO+MOx
O2+e-——O2 -
O3+e-——O3 -
OH-+H2O——H3O2 -
2NH3+H2O2+O2——N2+4H2O
For electrochemical process, it is mounted with 3 to 5 group electrodes in order to be effective device interior, and can regularly convert positive and negative
Pole, it is to avoid cathode plate surface fouling and reduce work efficiency.
For adding the efficiency of strong production active oxy group, often organizing, filler is installed between electrode.Conversion both positive and negative polarity is then to use
Conductivity detector, once electrical conductivity exceedes some value and the most automatically converts.To increasing dissolved oxygen (DO) process, use continuously
Many mouthfuls of air-out apparatus, enhance the contact area of oxygen and water greatly.
For tank body, internal also have a cylinder, can realize water inlet with outlet at one end, extend water greatly
The time of staying in a device, enhance aeration effect and electrochemical catalysis effect.
Tank body water outlet enters a biochemical reaction room, and equipment, equipped with a dosing pump, controls the most past by switch board
The inside adds special active probiotics, on the one hand in order to the Organic substance in further degradation water, eliminates the pollution in waters
Source；On the other hand can also increase the probiotics in water makes water body recover self-purification capacity, fundamentally recovers the self-cleaning of water body
Ability.
Mud bottom reative cell is cleared up once the most automatically, ensures reaction room effect.Tank base is deposited
At a sewage draining exit, installed above have electro-magnetic valve, by switch board control of sewage disposal process.
Integral device uses Automatic Control, can automatically run, it is not necessary on duty after installation.Equipment can every 12 days automatically
Blowdown is once, it is ensured that equipment operational effect., can adjust at any time according to water quality situation meanwhile, simple to operation, Er Qiegen
Can be with multiple stage combination to ensure the regulation effect of water body according to the water yield.
A kind of Surface Water Treatment Technology that there is electrocatalytic oxidation function and increase Dissolved Oxygen in Water function, including: promote
Pump, self-cleaning filter, electromagnetism scale inhibition instrument, tank body, air and liquid mixer, biochemical reaction room, electrode assembly and DC voltage-stabilizing change
The part such as phase power supply, switch board combines.
Elevator pump, self-cleaning filter, tank body, biochemical reaction room are designed with water inlet, outlet, use tandem even
Pick up.The water inlet of elevator pump is positioned at middle part, and the outlet of elevator pump is connected with the water inlet of self-cleaning filter, self-cleaning
The outlet of filter is connected with tank body water inlet, and tank body water outlet is connected with reative cell water inlet, and the outlet of reative cell is in river
In road.
Self-cleaning filter is soil pick-up formula, and water is entered by entrance, first passes around coarse strainer and filters the impurity of larger particles, so
Rear arrival fie screen.In filter process, fie screen builds up the foul in water, impurity, forms impurity screening layer, due to miscellaneous
Matter layer is deposited in the inner side of fie screen, is the formation of a pressure reduction in the inside and outside both sides of fie screen.When the pressure reduction of filter reaches
During filter preset value, will start automatic cleaning process, after whole filter screen inner surface cleans up completely, filter starts standard
Standby next flushing cycle.Float most of in water body is then retained down by self-cleaning filter, it is to avoid because of float
Cross multipair increase DO value to have a negative impact.
After carrying out water body increasing DO value and electrocatalytic oxidation in tank body, the water quality entering biochemical reaction room is preferable, has
Help add strain.Environment is not the most polluted by the probiotics added in biochemical reaction room, is exactly useful to environment
's；And the application of equipment can be brought more significantly effect by a kind of strain of each a period of time replacing.Biochemical reaction room
Depending on size is according to practical situation, water body to be ensured can stop 5 to 10 seconds in the reaction chamber, it is achieved strain and water body
Be sufficiently mixed, degrade residual organic substances.
In Fig. 1,1, surface water refer to contaminated water body；2, elevator pump is to introduce the water in system, thus carries out follow-up
Processing procedure；3, electromagnetism scale inhibition instrument is to utilize electromagnetic principle, prevents cathode surface fouling, and electrolytic process is produced disadvantageous shadow
Ring；4, self-cleaning filter is for filtering the float in water body, prevents from too much affecting electrolysis because of float；5, during gas-liquid mixed
It is mainly used in being sufficiently mixed oxygen and water, improves the dissolved oxygen concentration in water body；6, electrolysis water treatment facilities are used for increasing
The water body electrolysis of dissolved oxygen produces the material of some strong oxidizing properties, thus reaches the effect of sterilization algae removal；7, reactive oxygen species
Room is by adding some biological sludges, being processed further by water body；8, when reaction surge chamber one side prolongation water body is processed
Between, on the other hand add probiotics, recover the self-purification capacity of water body；9, separate air assembly to be used for realizing nitrogen oxygen separating,
To the oxygen that concentration is higher；10, oxygen buffer reservoir is for effectively controlling pressure；11, dosing pump can according to water yield size and
In water, the quantitative measure of bacterium algae adds, and dosing method uses continuous way to add.
Use the experimental data of this earth's surface water technology
On July 15th, 2016 uses this technology to test in large-scale river course in Nanjing, and certain interval of time analysis detects
Relevant data, data result such as table 1 below:
Table 1, machine monitoring data
Through the most bimestrial use, CODcrReduced to 31mg/L, DO by 232mg/L increased to by 0.81mg/L
5.29mg/L、BOD5Being reduced to 13mg/L by 45mg/L, each numerical value meets surface water Group III water standard.
Claims (8)
1. the method processing black smelly surface water, is characterized in that step includes:
1) pending surface water carrying out scale inhibition: the pipeline at pending surface water applies electromagnetic wave, induction hydrone produces altogether
Shake；Described electromagnetic wave is wound on pipeline generation by the coil being energized；Coil two ends are connected on the pulse power；The pulse power defeated
Going out power is 660 watts, and dutycycle is 10%～90%, and frequency is 1.75kHz；
2) to through step 1) water that processes filters；
3) to step 2 in closed tank) process the water that obtains and carry out increasing oxygen in water and electrocatalytic oxidation processes；
3.1) step increasing oxygen in water includes:
3.1.1) first prepare oxygen, oxygen is passed through in closed tank；
3.1.2) in the water in closed tank, blade high speed rotating, form negative pressuren zone；Blade is provided with through hole, sets in blade
Cavity, cavity is had to connect with through hole；Step 3.1.1) oxygen that obtains enters in the cavity of blade, and enters negative pressure by through hole
District；Blade drives water high speed rotating, and oxygen is uniformly cut into minute bubbles by the liquid of high speed rotating；
The pressure of described negative pressuren zone is 0.25Mpa～0.35Mpa；
3.1.3) again minute bubbles are pressurizeed by the blade of high speed rotating, obtain nanoscale microbubble, and make microbubble keep at a high speed
Kinetic energy；
The rotating speed of blade is 1420r/m, then the pressure to minute bubbles pressurization is 0.4～0.43Mpa；
The speed of microbubble is 160～320m/s；
3.2) electrocatalytic oxidation processes:
Producing a large amount of active groups by the catalytic oxidation process of electrode, these groups include superoxide radical, hydroxyl radical free radical
And H2O2；
H2O——H++OH-
MOx+H2O→MOx(·OH)+H++e-
MOx(·OH)→MOx+1+H++e-
R+MOx(·OH)z→ROz+MOx+z H++ze-
R+MOx+1→RO+MOx
O2+e-——O2 -
O3+e-——O3 -
OH-+H2O——H3O2 -
2NH3+H2O2+O2——N2+4H2O
Wherein: MOx: metal-oxide；MOx+1: metal peroxides；R represents organic pollution；MOx(OH): absorption OH's
Metal-oxide；RO: oxidized organic pollution；O2 -: oxygen anion；O3 -: ozone anion；H3O2 -: hydrated hydroxide root；
4) to step 3) process the water that obtains, carry out biochemical treatment:
4.1) biological sludge is first used to step 3) process and obtain water and process:
Biological sludge includes antibacterial and protozoacide two class；Antibacterial includes free bacterium, zoogloea and/or filamentous bacteria；Primary dynamic
Species type includes meat foot class, flagellates, infusorians and/or Siphonata；These thalline control zoogloea and/or filamentous bacteria quantity
Less than 20%；
The pH value of water is 6.5～8.0, and process time average is 24h；Water temperature maintains 25 DEG C ± 3 DEG C, the dosage of biological sludge
For 2500mg/L；Adding frequency is within 3 months, to add 1 time；
4.2) again with probiotics to through step 4.1) process the water that obtains and process:
Described probiotics is bacillus subtilis, photosynthetic bacteria, lactic acid bacteria, yeast, nitrobacteria and/or Bdellovibrio；
Bacillus subtilis, photosynthetic bacteria and lactic acid bacteria, their mass ratio controls at 2:1:1；Yeast, nitrobacteria
And/or Bdellovibrio is trace；
Water temperature controls at 25 DEG C～35 DEG C, and the process time is 10min ± 2min；
5) through step 4) process the water that obtains and be the water purification finally given.
The method of the black smelly surface water of process the most according to claim 1, is characterized in that described step 2) in, utilize 200 mesh
Bulky grain in self-cleaning filter trap water, reduce turbidity, purify water；The cylinder of filter uses carbon steel, filter screen material
Use 316L rustless steel；Filter screen totally 3 groups, often group 12；
Being provided with pressure difference transmitter in self-cleaning filter, when the pressure reduction at filter screen two ends reaches setting value, motor starts running also
Brush is driven at internal rotating, filter screen to be scrubbed；The setting value of pressure reduction, determines according to the turbidity of former water, turbidity is the biggest,
The force value set is the least.
The method of the black smelly surface water of process the most according to claim 1, is characterized in that described step 3.1.1) in, oxygen processed
Method is to utilize molecular sieve adsorption separation air, carries out nitrogen oxygen separating process and prepares oxygen, and buffers with a storage tank
Storage.
The method of the black smelly surface water of process the most according to claim 1, is characterized in that described step 3.2) in, by 3～5 groups
Electrode is used for reacting；The both positive and negative polarity of these electrodes is changed；The opportunity of both positive and negative polarity conversion is to be determined by electrical conductivity of water, once
Electrical conductivity exceedes threshold value, then change both positive and negative polarity；
Often organizing, filler is installed between electrode；Often distance≤the 15mm between group electrode, the thickness of described packing layer is 10mm；
Filler uses the iron-holder ferrimanganic filler more than 70%, or the ferrum carbon filler that iron-holder is more than 70%.
5. realize a Surface Water Treatment Technology for the arbitrary described method of Claims 1 to 4, it is characterized in that including by pipeline successively
Elevator pump, antiscaling device, self-cleaning filter device, oxygen generation and storage device, gas-liquid mixed room, the electrolysis process dress connected
Put, reactive oxygen species room and reaction surge chamber；Also include upper industrial computer；The former water of the water inlet of elevator pump extremely native system enters
Mouthful, the outlet of reaction surge chamber is the pure water inlet of native system；
A, described antiscaling device include the pulse power, pipeline and insulated conductor, and insulated conductor is wound on outside pipeline, and the two ends of wire are divided
Not Lian Jie the pulse power output "+" and "-" extreme；The control signal input of the pulse power connects upper industry control by PLC
Machine；
B, described self-cleaning filter are full automatic brush type self-cleaning filters；Filter screen in full automatic brush type self-cleaning filter
Both sides are provided with pressure difference transmitter；The operation of the cleaning brush of full automatic brush type self-cleaning filter is controlled end and is connected by PLC upper
Industrial computer, the outfan of pressure difference transmitter connects upper industrial computer with PLC；
C, described oxygen occur to include separating air assembly and oxygen storage tank with storage device, separate the oxygen outlet of air assembly
Connect oxygen storage tank；The oxygen outlet of oxygen storage tank connects the oxygen intake of gas-liquid mixed room；
D, described electrolytic processing apparatus and gas-liquid mixed room share the tank body of same metal material；At metal can built with interior
Cylinder；Inner core the first end is connected in the first end face of tank body；Second end of inner core is opening；Described water inlet is located at tank body
On first end face, and the cavity surrounded with inner core connects；Described outlet is located on the first end face of tank body, inner tank theca and tank
The cavity that internal wall surrounds connects with outlet；
Being additionally provided with oxygen hose, the outlet side of oxygen hose is in tank body, and inlet end is outside tank body；Inner core is stretched in the outlet side of oxygen hose
Interior cavity；
Tank body is externally provided with motor, and the rotor of motor is connected by rotating shaft aeration impeller, and aeration impeller is in tank body, and is positioned at
Cavity in Tong；The outlet side of oxygen hose is corresponding with the position of aeration impeller；The blade of described aeration impeller is hollow, blade
On have venthole；The hollow of blade connects with the outlet side of oxygen hose；Motor connects upper industrial computer by PLC；
Being provided with battery lead plate in inner core, the outer rim shape of battery lead plate is corresponding with the inner edge shape of inner core；Battery lead plate is mesh；Two
Money battery lead plate is contained in inner core in pairs, and battery lead plate is all vertical with the axis of inner core；Battery lead plate connects upper industry control by PLC
Machine；
The fixed circle animi resin of the outward flange of every pair of battery lead plate, this to the space between battery lead plate built with filler；Electrode
The mesh aperture of plate is less than the particle diameter of granulated filler；This is rarefaction to the filler between battery lead plate；
E, described reactive oxygen species are indoor equipped with biological sludge；Described reaction surge chamber is built with probiotics.
Surface Water Treatment Technology the most according to claim 5, is characterized in that described wire is insulated copper wire；Copper cash uses paint
Envelope curve, the thick 2mm of copper cash；
Insulated conductor is spaced apart 1mm between pipeline outer wall close-packed arrays, adjacent turn coil and coil, 300～400 circles；Line
Circle is wrapped with insulant.
Surface Water Treatment Technology the most according to claim 5, is characterized in that full automatic brush type self-cleaning filter is with 200
Mesh self-cleaning filter, the cylinder of this filter uses carbon steel；Filter screen totally 3 groups, often group 12, filter screen material uses 316L stainless
Steel.
Surface Water Treatment Technology the most according to claim 5, is characterized in that the bottom of described reactive oxygen species room is equipped with row
Dirty mouth, sewage draining exit connects upper industrial computer equipped with electric control valve, electric control valve by PLC；Sewage draining exit was opened once every 12 days,
The mud of cleaning precipitation.
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