CN109179913A - A kind of processing system of industrial wastewater - Google Patents
A kind of processing system of industrial wastewater Download PDFInfo
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- CN109179913A CN109179913A CN201811299955.6A CN201811299955A CN109179913A CN 109179913 A CN109179913 A CN 109179913A CN 201811299955 A CN201811299955 A CN 201811299955A CN 109179913 A CN109179913 A CN 109179913A
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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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- 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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- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/484—Treatment of water, waste water, or sewage with magnetic or electric fields using electromagnets
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- 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
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- 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
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- 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
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/48—Devices for applying magnetic or electric fields
- C02F2201/483—Devices for applying magnetic or electric fields using coils
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- C02F3/02—Aerobic processes
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Abstract
The invention discloses a kind of processing systems of industrial wastewater, including sump, coarse rack, primary sedimentation basin, pH value conditioning tank, metallic spheric surface micro-current, and salt to be attracted to eliminate zinc reactor, aeration tank, biological oxidation filter tank, secondary sedimentation tank, water purifying tank.A kind of special electromagnetic induction phenomenon is utilized in this system creativeness, Faraday effect can occur when metal ball body does the movement of vertical cutting magnetic induction line in magnetic field, micro-current circulation is formed on metal ball body surface, zinc ion is attracted in water, spherome surface can be gradually enriched in, local zinc ion concentration is caused to increase, to break its chemical balance, zinc ion can be detached from solution and salinization reaction occurs on metal ball body surface, inorganic salts are generated with the anion binding in solution, and it is attached to metal ball body surface, to achieve the purpose that remove zinc ion in waste water.Meanwhile the metal ball body for having adhered to zinc salt can be regenerated by the processes such as grinding, cleaning, and can be reused.
Description
Technical field
The present invention relates to a kind of processing system of industrial wastewater, belong to the field of waste water treatment in environmental protection.
Background technique
Electroplating industry is the important processing industry in China, is quickly grown nearly ten years.But due to point of China's electroplating industry
Cloth and development lack overall, complete planning for a long time, cause more one side factory point, small scale, low degree of specialized division of labor,
It is of poor benefits, the serious hard case of another aspect electroplating industry pollution situation.
According to statistical data at this stage, there are about electroplate factory 15000, average annual electroplating wastewater discharge amounts to be up to 4,000,000,000 tons in China,
/ 6th of total discharged volume of industrial waste water are accounted for, but wherein there are about 50% electroplating wastewaters to be not up to national emission standard.For a long time with
Come, China's electroplating enterprise is with the characteristics of the extensive management for largely consuming resource, and compared with foreign countries, there are bright for China's electroplating industry
Significant difference is away from, it was reported that the foreign-plated 1m of state2Plating piece average consumption be only 0.08 ton, and the average consumption in China be 0.82
Ton is external more than 10 times, and annual processing cost of China's single pair containing heavy metal-containing electroplating effluent is as high as 400,000,000 yuan or more.Plating
Waste water quality is complicated, is related to various heavy metal ion and cyanide, some also contain carcinogenic, teratogenesis, mutagenic extremely toxic substance,
It does great harm to human beings.If these electroplating wastewaters not up to discharge standard is directly entered environment, inherently to ecological environment and people
Class generates extensive and serious harm.In addition, the heavy metal in recycling electroplating wastewater can thoroughly utilize resource, great warp comprehensively
Ji value.Therefore the problem of improvement of electroplating wastewater is the most important thing of industrial wastewater treatment.
In many harmful components of electroplating wastewater, zinc is very important one kind.Zinc is that human health is indispensable
Element, it is widely present in human muscle and bone, but content is little, if serious consequence will occur for excess.Containing zinc
The discharge of electroplating wastewater, which has human health and industrial or agricultural activity, to be seriously endangered, and has persistence, toxicity big, seriously polluted etc.
Harm, it is most of to participate in food chains circulation once into cannot be biodegradable after environment, and finally accumulate in vivo,
Organism normal physiological metabolic activity is destroyed, is detrimental to health.As the mankind are raw to exploitation, smelting, processing of heavy metal etc.
Produce it is movable increasingly increase, the heavy metal wastewater thereby of generation either all greatly increases in quantity or in type, causes tight
The environmental pollution and the wasting of resources of weight.Therefore the improvement of Zinc-containing electroplating waste water is still the great research class of world's environment protection field
Topic.
Currently, China is mainly the following processing method for Zinc-containing electroplating waste water:
(1) chemical method:
It by poisonous and hazardous substance decomposition is nontoxic object that chemical method, which is by redox reaction or neutralization-precipitation reaction,
Matter, or directly remove heavy metal from waste water through precipitating or air bearing.It specifically include that the precipitation method, oxidizing process, reduction method,
Neutralisation and gas floatation process etc..The advantages of chemical method, is: small investment, processing unit are simple, processing cost is lower, installation and maintenance and
Operation is easy；But the disadvantage is that treatment effeciency is low, effluent quality is poor, processing depth as shallow, cannot recycle heavy metal and production
Primary sludge amount is big.
(2) bioanalysis:
The 1980s is derived from using the research of microbiological treatment electroplating wastewater.The mechanism of Biochemical method is alternate symbiosis
Relationship, have three levels such as chemistry, physics and heredity cooperates mechanism.Some microbial metabolic products can make waste water
In heavy metal ion change valence state, while microbial flora itself is there are also stronger bioflocculation, electrostatic adsorption, can
Adsorbing metal ions make heavy metal enter bacterium mud cake after being separated by solid-liquid separation, so that discharged wastewater met the national standard or reuse.It is main
It include: bio-flocculation process, biosorption process, biochemical process etc..The advantages of bioanalysis is: selectivity is strong, adsorption capacity is big, no
Few using chemical agent, generation sludge quantity, the Heavy Metals in Sludge rate of recovery is high；But the disadvantage is that in function bacterium and waste water metal from
Son reaction efficiency it is not high and cultivate strain culture medium consumption it is larger, cause processing cost still higher etc..
(3) physico-chemical process:
Physico-chemical process is using impurity contained by ion exchange or the methods of UF membrane or adsorbent removal electroplating wastewater, in industry
On be widely used, be usually used cooperatively with other methods.It specifically includes that ion-exchange, membrane separation process, absorption method, evaporation
Concentration method etc..The advantages of physico-chemical process, is: it is convenient for management, easy to automate, separative efficiency is high, advanced treating effect is good, go out
Water can be with reuse etc.；But physico-chemical process in various degree all there is complex process, energy consumption is high, it is at high cost, take up a large area, operate
It is costly, have the drawbacks such as secondary pollution.
(4) electrochemical process:
Electrochemical process processing wastewater application originate in the 1940s, with power industry development, electrochemical process just it is true
Normal incidence is used for wastewater treatment process.Electrochemical method is referred to as " environmental-friendly " technique of electroplating wastewater processing.With electrode material
The exploitation of material, the development of reactor and the improvement to Conventional electrochemical technique, electrochemical method is in Electroplating Wastewater Treatment field
In application it is more and more wide.It specifically includes that galvanic cell method, electroosmose process, electrocoagulation gas floatation process, electrochemical redox method
Deng.The advantages of electrochemical process, is: be not required to addition redox reagent, reaction speed is fast, occupied area is few, easy realizations automation grasp
Make etc.；But the disadvantage is that power consumption is high, electrode plate consumption is big, processing cost is high, electrode easily occurs concentration polarization and generates fouling
Deng.
Currently, the existing generally existing disadvantages mentioned above of method for handling zinc ion in electroplating wastewater.Therefore, it is necessary to get rid of
Existing processing technique thinking, hews out the new way of processing Zinc-containing electroplating waste water, and then develops a kind of plating of new type
The processing technique of zinc ion in waste water.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of processing system of industrial wastewater, the systems
Salt is attracted to eliminate zinc reactor, aeration including sump, coarse rack, primary sedimentation basin, pH value conditioning tank, metallic spheric surface micro-current
Pond, biological oxidation filter tank, secondary sedimentation tank, water purifying tank；Wherein, by pH value adjusting processing after (after processing pH value be 5.5 ~
6.5) the electroplating wastewater containing zinc ion enters sump by waste line, carries out centralized collection and preliminarily stabilised tune herein
The outlet of section, sump connects coarse rack by waste line, removes the major diameter solid matter in waste water herein, coarse rack
Outlet connects primary sedimentation basin by waste line, and further the insoluble matter in removal waste water, primary sedimentation basin go out herein
Mouth connects pH value conditioning tank by waste line, and waste water carries out the accurate adjusting of pH value, the pH value of pH value conditioning tank water outlet herein
Range is 5.5 ~ 6.5, is required with meeting the water pH value that enters that metallic spheric surface micro-current attracts salt to eliminate zinc reactor, pH value conditioning tank
Outlet metallic spheric surface micro-current is connected by waste line salt is attracted to eliminate zinc reactor, metallic spheric surface micro-current attracts salinization
Except the outlet of zinc reactor connects aeration tank by waste line, herein by aerobic aeration process to COD remaining in waste water
Preliminary oxidation resolution process is carried out, the outlet of aeration tank connects biological oxidation filter tank by waste line, remains at this to waste water
COD carry out last deep purifying processing, the outlet in biological oxidation filter tank is by waste line connection secondary sedimentation tank, herein
Remaining insoluble matter in waste water is all removed, the outlet of secondary sedimentation tank connects water purifying tank, water purifying tank by waste line
Outlet by waste line will by this system treated purification water outlet outlet；Wherein, metallic spheric surface micro-current attracts salt
Zinc reactor is eliminated using hard stainless steel material, reactor left lower is equipped with inlet valve, and right upper portion is equipped with drain valve
Door, reactor center is equipped with 1 set of electromagnetic coil, and is connected by conducting wire with the solenoid controlled unit being located at outside reactor
It connects, 1 set of water-proof protection cover is coated with outside electromagnetic coil, inside reactor filling even has several nickel metal balls, can be with water flow
Mobile, reactor left side top and bottom right side are separately installed with 3 screw blades.
The electroplating wastewater containing zinc ion of (pH value is 5.5 ~ 6.5 after processing) is by being located at after pH value adjusting processing
The inlet valve of reactor left lower enters inside reactor, sufficiently mixed with the nickel metal ball of inside reactor filling first
It closes, nickel metal ball is uniformly distributed in waste water, at this point, 6 screw blades for being located at reactor left side top and bottom right side are opened
Begin to rotate, the waste water for being mixed with nickel metal ball is pushed to do counterclockwise movement in inside reactor, meanwhile, outside reactor
Solenoid controlled unit gives the electromagnetic coil positioned at reactor center to be powered by conducting wire, and electromagnetic coil can generate a magnetic strength
Intensity is the electromagnetic field of 11.6T, the magnetic induction line in horizontal direction is generated in inside reactor, when the nickel metal ball in waste water is in electricity
Faraday effect can occur when doing the movement of vertical cutting magnetic induction line in magnetic field, form micro-current circulation in nickel metal ball surface,
Zinc ion in waste water is attracted, and nickel metal ball surface can be gradually enriched in, and causes local zinc ion concentration to increase, to beat
Its chemical balance is broken, zinc ion can be detached from solution and salinization reaction occurs in nickel metal ball surface, with the anion knot in solution
Symphysis is attached to nickel metal ball surface at inorganic salts, to enable the zinc ion in waste water to remove, by purified treatment
Waste water afterwards, reactor is discharged in the water discharging valve by being located at reactor right upper portion, and enters next treatment process；Meanwhile
The nickel metal ball for having adhered to zinc salt can be regenerated by the processes such as grinding, cleaning, and can be reused；Wherein, pH value is adjusted
The effect in pond is will to be adjusted to 5.5 ~ 6.5 by the pH value of waste water of primary sedimentation, attracts salinization to meet metallic spheric surface micro-current
Enter the requirement of water pH value except zinc reactor；Wherein, the effect of aeration tank is by aerobic aeration process to COD remaining in waste water
Carry out preliminary oxidation resolution process；Wherein, it is net to be that COD remaining to waste water carries out last depth for the effect in biological oxidation filter tank
Change processing.
Wherein, it is 230m that metallic spheric surface micro-current, which attracts salt to eliminate the dischargeable capacity of zinc reactor,3, the work of screw blade
Making voltage is 380V, and revolving speed is 120 turns/min.
Wherein, it is 25.0mm that metallic spheric surface micro-current, which attracts salt to eliminate the diameter of the nickel metal ball of zinc reactor, and inside is
Hollow structure, hollow space diameter are 16.7mm, and the relative density of sphere is about 0.95 × 103kg/m3。
Wherein, the operating voltage for the electromagnetic coil that metallic spheric surface micro-current attracts salt to eliminate zinc reactor is 380V, can
The electromagnetic field that magnetic induction is 11.6T is generated, iron core uses silicone content for 4.2% high silicon sheet iron, and coil is using polyester enamel-cover
Line, number of turns are 2500 circles.
By this system treated waste water, the removal efficiency of zinc ion is up to 99.5%.
The present invention has the advantages that
(1) this system gets rid of the processing technique thinking of zinc ion in existing electroplating wastewater, and creative is utilized nickel metal
When doing the movement of vertical cutting magnetic induction line in magnetic field Faraday effect can occur for sphere, form micro-current in spherome surface and follow
Ring, zinc ion is attracted in water, can gradually be enriched in nickel metal ball surface, causes local zinc ion concentration to increase, to beat
Its chemical balance is broken, zinc ion can be detached from solution and salinization reaction occurs in nickel metal ball surface, with the anion knot in solution
Symphysis is attached to spherome surface at inorganic salts, to achieve the purpose that remove zinc ion in waste water.
(2) after purified treatment zinc-containing water, the nickel metal ball for having adhered to zinc salt can be waited this system by grinding, cleaning
Journey is regenerated, and can be reused, and this considerably reduce the supplies consumptions of purified treatment.
(3) this system does not use any chemical agent during purified treatment zinc ion, to eliminate introducing danger
The risk of the bigger chemical pollutant of evil.
(4) this system principle is simple and easy, and cost is relatively low for design and construction, and treatment effect is preferable, operation expense
It is very low, be conducive to promote and apply on a large scale.
Detailed description of the invention
Fig. 1 is equipment schematic diagram of the invention.
In figure: 1- sump, 2- coarse rack, 3- primary sedimentation basin, 4-pH value conditioning tank, 5- metallic spheric surface micro-current attract
Salt eliminates zinc reactor, the aeration tank 6-, 7- biological oxidation filter tank, 8- secondary sedimentation tank, 9- water purifying tank
Fig. 2 is the schematic diagram that metallic spheric surface micro-current attraction salt eliminates zinc reactor.
51- inlet valve, 52- electromagnetic coil, 53- water-proof protection cover, 54- conducting wire, 55- solenoid controlled unit, 56-
Nickel metal ball, 57- screw blade, 58- magnetic induction line direction, 59- water discharging valve.
Specific embodiment
As shown in Figure 1, removing the processing system of zinc in electroplating wastewater, which includes 1- sump, 2- coarse rack, 3- mono-
Secondary sedimentation basin, 4-pH value conditioning tank, 5- metallic spheric surface micro-current attract salt to eliminate zinc reactor, the aeration tank 6-, 7- biological oxidation
Filter tank, 8- secondary sedimentation tank, 9- water purifying tank；Wherein, (after processing pH value be 5.5 ~ 6.5) contains after the pH value adjusting processing
The electroplating wastewater of zinc ion enters sump 1 by waste line, carries out centralized collection herein and preliminarily stabilised is adjusted, sump
1 outlet connects coarse rack 2 by waste line, removes the major diameter solid matter in waste water herein, and the outlet of coarse rack 2 is logical
Waste line connection primary sedimentation basin 3 is crossed, further the insoluble matter in removal waste water, the outlet of primary sedimentation basin 3 are logical herein
Waste line connection pH value conditioning tank 4 is crossed, waste water carries out the accurate adjusting of pH value, the pH value model that pH value conditioning tank 4 is discharged herein
Enclosing is 5.5 ~ 6.5, is required with meeting the water pH value that enters that metallic spheric surface micro-current attracts salt to eliminate zinc reactor 5, pH value conditioning tank 4
Outlet metallic spheric surface micro-current is connected by waste line salt is attracted to eliminate zinc reactor 5, metallic spheric surface micro-current attracts salt
The outlet for eliminating zinc reactor 5 connects aeration tank 6 by waste line, herein by aerobic aeration process to remaining in waste water
COD carries out preliminary oxidation resolution process, and the outlet of aeration tank 6 connects biological oxidation filter tank 7 by waste line, at this to waste water
Remaining COD carries out last deep purifying processing, and the outlet in biological oxidation filter tank 7 connects secondary sedimentation tank by waste line
8, the remaining insoluble matter in waste water is all removed herein, the outlet of secondary sedimentation tank 8 connects water purifying tank by waste line
9, the outlet of water purifying tank 9 will be by this system treated purification water outlet outlet by waste line；Wherein, the micro- electricity of metallic spheric surface
Stream attracts salt to eliminate zinc reactor 5 using hard stainless steel material, and reactor left lower is equipped with inlet valve 51, right upper portion
Equipped with water discharging valve 59, reactor center is equipped with 1 set of electromagnetic coil 52, and by conducting wire 54 and the electromagnetism outside reactor
Coil control unit 55 is connected, and 1 set of water-proof protection cover 53 is coated with outside electromagnetic coil 52, and inside reactor filling even has
Several nickel metal balls 56, can be mobile with water flow, and reactor left side top and bottom right side are separately installed with 3 screw blades 57；
The electroplating wastewater containing zinc ion of (pH value is 5.5 ~ 6.5 after processing) is left by being located at reactor after pH value adjusting processing
The inlet valve 51 of side lower part enters inside reactor, and the nickel metal ball 56 with inside reactor filling first is sufficiently mixed, nickel
Metal ball 56 is uniformly distributed in waste water, at this point, 6 screw blades 57 for being located at reactor left side top and bottom right side start
Rotation pushes the waste water for being mixed with nickel metal ball 56 to do counterclockwise movement in inside reactor, meanwhile, outside reactor
Solenoid controlled unit 55 gives the electromagnetic coil 52 positioned at reactor center to be powered by conducting wire 54, and electromagnetic coil 52 can generate
The electromagnetic field that one magnetic induction is 11.6T generates the magnetic induction line in horizontal direction in inside reactor, when the nickel gold in waste water
Faraday effect can be occurred by belonging to when ball does the movement of vertical cutting magnetic induction line in electromagnetic field, be formed on 56 surface of nickel metal ball micro-
Current cycle, the zinc ion in waste water are attracted, can gradually be enriched in 56 surface of nickel metal ball, cause local zinc ion concentration
Increase, to break its chemical balance, zinc ion can be detached from solution and salinization reaction occurs on 56 surface of nickel metal ball, with solution
In anion binding generate inorganic salts, and nickel metal ball surface 56 is attached to, so that the zinc ion in waste water be enable to go
It removes, the waste water after purified treatment, reactor is discharged in the water discharging valve 59 by being located at reactor right upper portion, and under entrance
One treatment process；Meanwhile the nickel metal ball 56 for having adhered to zinc salt can be regenerated by the processes such as grinding, cleaning, and can be repeated
It uses；Wherein, the effect of pH value conditioning tank 4 is will to be adjusted to 5.5 ~ 6.5 by the pH value of waste water of primary sedimentation, to meet metal
The water pH value that enters that spherical surface micro-current attracts salt to eliminate zinc reactor 5 requires；Wherein, the effect of aeration tank 6 is to pass through aerobic aeration
Process carries out preliminary oxidation resolution process to COD remaining in waste water；Wherein, the effect in biological oxidation filter tank 7 is residual to waste water
The COD stayed carries out last deep purifying processing.Wherein, metallic spheric surface micro-current attraction salt eliminates the dischargeable capacity of zinc reactor
For 230m3, the operating voltage of screw blade is 380V, and revolving speed is 120 turns/min；Wherein, metallic spheric surface micro-current attracts salt
Zinc reactor is eliminated, the diameter of nickel metal ball is 25.0mm, and inside is hollow structure, and hollow space diameter is 16.7mm, ball
The relative density of body is about 0.95 × 103kg/m3；Wherein, metallic spheric surface micro-current attracts salt to eliminate zinc reactor, electromagnetic wire
The operating voltage of circle is 380V, and iron core uses silicone content for 4.2% high silicon sheet iron, and coil is using polyester enamelled wire, number of turns
For 2500 circles.
By this system treated waste water, the removal efficiency of zinc ion is up to 99.5%.
Claims (2)
1. a kind of processing system of industrial wastewater, which is characterized in that the system includes sump, coarse rack, primary sedimentation basin, pH
Value conditioning tank, metallic spheric surface micro-current attract salt to eliminate zinc reactor, aeration tank, biological oxidation filter tank, secondary sedimentation tank, water purification
Pond etc.；Wherein, the metal plating waste water containing zinc ion enters sump by waste line, and the outlet of sump passes through waste water
Pipeline connects coarse rack, and the outlet of coarse rack connects primary sedimentation basin by waste line, and the outlet of primary sedimentation basin passes through useless
Water pipeline connects pH value conditioning tank, and the outlet of pH value conditioning tank connects metallic spheric surface micro-current by waste line and salt is attracted to eliminate
Zinc reactor, the outlet that metallic spheric surface micro-current attracts salt to eliminate zinc reactor connect aeration tank, aeration tank by waste line
Outlet by waste line connect biological oxidation filter tank, the outlet in biological oxidation filter tank connects secondary precipitation by waste line
The outlet in pond, secondary sedimentation tank connects water purifying tank by waste line, and the outlet of water purifying tank will be by this by waste line
Uniting, treated purifies water outlet outlet；Wherein, metallic spheric surface micro-current attracts salt to eliminate zinc reactor left lower equipped with water inlet
Valve, right upper portion are equipped with water discharging valve, and reactor center is equipped with 1 set of electromagnetic coil, and by conducting wire and is located at outside reactor
The solenoid controlled unit in portion is connected, and 1 set of water-proof protection cover, inside reactor filling even are coated with outside electromagnetic coil
There are several nickel metal balls, can be mobile with water flow, reactor left side top and bottom right side are separately installed with 3 screw blades；
Under the electroplating wastewater containing zinc ion that pH value is 5.5 ~ 6.5 after pH value adjusting processing is by being located on the left of reactor
The inlet valve in portion enters inside reactor, and the nickel metal ball with inside reactor filling first is sufficiently mixed, and nickel metal ball is equal
It is even to be distributed in waste water, at this point, 6 screw blades for being located at reactor left side top and bottom right side start turning, push mixed
Conjunction has the waste water of nickel metal ball to do counterclockwise movement in inside reactor, while being located at the solenoid controlled list outside reactor
Member gives the electromagnetic coil positioned at reactor center to be powered by conducting wire, and electromagnetic coil can generate the electromagnetic field of a certain strength,
The magnetic induction line in horizontal direction is generated in inside reactor, when the nickel metal ball in waste water does vertical cutting magnetic induction in electromagnetic field
Faraday effect can occur when the movement of line, form micro-current circulation in nickel metal ball surface, the zinc ion in waste water is inhaled
Draw, can gradually be enriched in nickel metal ball surface, causes local zinc ion concentration to increase, to break its chemical balance, zinc ion
Solution can be detached from and salinization reaction occurs in nickel metal ball surface, generate inorganic salts with the anion binding in solution, and attached
In nickel metal ball surface, so that the zinc ion in waste water be enable to remove, the waste water after purified treatment is anti-by being located at
It answers the water discharging valve of device right upper portion that reactor is discharged, and enters next treatment process；Meanwhile the metal ball body of zinc salt is adhered to
It can be regenerated, can be reused by grinding, cleaning process；
The diameter for the metal ball that metallic spheric surface micro-current attracts salt to eliminate zinc reactor is 25.0mm, and inside is hollow structure, in
Empty section diameter is 16.7mm, and the relative density of sphere is about 0.95 × 103kg/m3
The operating voltage for the electromagnetic coil that metallic spheric surface micro-current attracts salt to eliminate zinc reactor is 380V, and iron core uses silicone content
For 4.2% high silicon sheet iron, number of turns is 2500 circles.
2. the processing system of industrial wastewater according to claim 1, which is characterized in that metallic spheric surface micro-current attracts salinization
Except the dischargeable capacity of zinc reactor is 230m3, the operating voltage of screw blade is 380V, and revolving speed is 120 turns/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112551649A (en) * | 2020-12-19 | 2021-03-26 | 航天智讯新能源(山东)有限公司 | Electrochemical water treatment equipment capable of being cleaned quickly |
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| Publication number | Publication date |
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| CN106045230B (en) | 2018-12-28 |
| CN106045230A (en) | 2016-10-26 |
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