CN110510710A - Electric flocculation and electrocatalytic oxidation integrated waste-water treater - Google Patents
Electric flocculation and electrocatalytic oxidation integrated waste-water treater Download PDFInfo
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- CN110510710A CN110510710A CN201910715360.2A CN201910715360A CN110510710A CN 110510710 A CN110510710 A CN 110510710A CN 201910715360 A CN201910715360 A CN 201910715360A CN 110510710 A CN110510710 A CN 110510710A
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- Prior art keywords
- electric flocculation
- reaction chamber
- electrocatalytic oxidation
- water
- reactive tank
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- 238000005189 flocculation Methods 0.000 title claims abstract description 81
- 230000016615 flocculation Effects 0.000 title claims abstract description 81
- 230000003647 oxidation Effects 0.000 title claims abstract description 60
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 60
- 239000002351 wastewater Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000006243 chemical reaction Methods 0.000 claims abstract description 55
- 238000009297 electrocoagulation Methods 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 18
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 239000010802 sludge Substances 0.000 claims abstract description 8
- 238000007790 scraping Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000006555 catalytic reaction Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- ZACYQVZHFIYKMW-UHFFFAOYSA-N iridium titanium Chemical compound [Ti].[Ir] ZACYQVZHFIYKMW-UHFFFAOYSA-N 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
A kind of electric flocculation and electrocatalytic oxidation integrated waste-water treater, it is equipped with electric flocculation water outlet weir plate in reactive tank, reactive tank is separated into electric flocculation reaction chamber and electrocatalytic reaction chamber, the side wall of reactive tank is equipped with the water inlet pipe being connected with electric flocculation reaction chamber, electrocoagulation electrode group is equipped in electric flocculation reaction chamber, one upper side of electric flocculation reaction chamber is separated out slag trapping cavity by first partition, the scum pipe being connected with slag trapping cavity is equipped with above the side wall of reactive tank, reactive tank is equipped with Slag Scraping Device above electric flocculation reaction chamber, the bottom of electric flocculation reaction chamber sets the electric flocculation subsider with the first sludge pipe, the water inlet of electrocatalytic reaction chamber is equipped with cowling panel, middle part is equipped with electrocatalytic oxidation electrode group, bottom is equipped with electrocatalytic oxidation subsider, water outlet is separated out water outlet water collection chamber by second partition, the side wall of reactive tank be equipped with The bottom of the outlet pipe that water outlet water collection chamber is connected, electrocatalytic oxidation subsider is equipped with the second sewage pipe.
Description
Technical field
The invention belongs to water-treatment technology fields, and in particular to arrive a kind of water treatment facilities.
Background technique
The industries such as printing and dyeing, papermaking, chemical industry and pesticide can all generate the outstanding floating object ﹑ huge sum of money of height ﹑ high containing salt OCD ﹑ high in production
Belong to the exceeded waste water of ion.This kind of sewage is due to salt content height, and organic concentration is high, and biodegradability is very low, conventional biochemistry, object
Change processing method to be difficult to handle, not only effect is bad while generating a large amount of chemical sludges again for chemical flocculation.
Electrochemical water treatment technology has compared with other water treatment technologies as a kind of emerging cleaning treatment technique
Without secondary pollution, high-efficient, the characteristics of controllability is good, good economy performance, and can be excellent in other traditional water treatment technologies combinations etc.
Point has certain selectivity to the removal of variety classes pollutant, is suitable for high-salt wastewater and high suspended matter waste water.Therefore,
In external electrochemical water treatment technology because its environment compatibility is otherwise known as well environmentally-friendly technique, there are some water treatment technologies
Incomparable advantage, the great potential in terms of water treatment technology art, it has also become a domestic and international great focus.
Electric flocculation method is a kind of sewage treatment process quite competitive in recent years, can be used for Sheng Wu Shui ﹑ plating living
Fei Shui ﹑ Chong Jin belongs in the Fei Shui ﹑ oily waste water treatment of Fei Shui ﹑ Zao paper, but there are easy to harden, foulings, stifled for existing electric flocculation technique
The shortcomings that plug, power consumption be big, low efficiency, promotes and applies by biggish limitation；Electrocatalytic Oxidation is the height using anode material
Pollutant in current potential and the next water of directly degrading of high catalytic activity, or the centre with strong oxidizing property is generated using electrode surface
Poisonous and harmful substance in product (hydroxyl radical free radical) degradation water, since Electrocatalytic Oxidation is since cost is high, operating cost is high
The shortcomings that, it is few in water treatment field application.
Summary of the invention
Technical problem to be solved by the present invention lies in providing, one kind is easy to operate, work efficiency is high, collects electric flocculation and electricity
The integrated wastewater treatment equipment of catalysis oxidation.
Solving technical solution used by above-mentioned technical problem is: electric flocculation water outlet weir plate will be provided in reactive tank to react
Slot is separated into electric flocculation reaction chamber and electrocatalytic reaction chamber, and the height of electric flocculation water outlet weir plate is lower than the height of reactive tank, reaction
The water inlet pipe being connected with electric flocculation reaction chamber is provided with below the side wall of slot, middle part is provided with electric flocculation in electric flocculation reaction chamber
Electrode group, the power supply of electrocoagulation electrode group are the high-frequency and high-voltage impulse power supply with automatic reverse function, electric flocculation reaction chamber one
Upper side is separated out slag trapping cavity by first partition, and the height that the height of first partition is less than reactive tank makes slag trapping cavity and electric flocculation
Reaction chamber is connected, and is provided with the scum pipe being connected with slag trapping cavity above the side wall of reactive tank, is located on electric flocculation reaction chamber
Slag Scraping Device, the electric flocculation subsider of the bottom setting of electric flocculation reaction chamber, the bottom of electric flocculation subsider are provided on square reactive tank
Portion is provided with the first sludge pipe, and the water inlet of electrocatalytic reaction chamber is provided with cowling panel, middle part is provided with electrocatalytic oxidation electricity
Pole group, bottom are provided with electrocatalytic oxidation subsider, water outlet and are separated out water outlet water collection chamber, second partition by second partition
Height be less than the height of reactive tank, be provided on the side wall of reactive tank and the outlet pipe that is discharged water collection chamber and is connected, electro-catalysis
The power supply of oxidizing electrode group is the DC power supply with automatic reverse function, and the bottom of electrocatalytic oxidation subsider is provided with second
Sewage pipe.
As a kind of perferred technical scheme, the quantity of the electrocoagulation electrode group is 1~5 group, every group of electric flocculation electricity
Pole group is to be vertically arranged at least 2 blocks of electrocoagulation electrode plates on card slot type bracket, and the spacing between adjacent two electrocoagulation electrodes plate is
10~30mm.
As a kind of perferred technical scheme, the electrocoagulation electrode plate with a thickness of 2~6mm, electrocoagulation electrode plate
For aluminium sheet or iron plate.
As a kind of perferred technical scheme, the electrocatalytic oxidation electrode group is to be tiltedly installed on card slot type bracket
At least 2 pieces electrocatalytic oxidation electrode plates being parallel to each other, the spacing between adjacent two electrocatalytic oxidations electrode plate are 10~30mm.
As a kind of perferred technical scheme, the electrocatalytic oxidation electrode plate with a thickness of 0.1~0.3mm, electricity is urged
Changing oxidizing electrode plate is the titanium-based pole plate for being coated with iridium, ruthenium.
As a kind of perferred technical scheme, the tilt angle of the electrocatalytic oxidation electrode plate is 30 °~60 °.
Beneficial effects of the present invention are as follows:
It is provided with that reactive tank is separated into electric flocculation reaction chamber by electric flocculation water outlet weir plate and electricity is urged in reactive tank of the invention
Change reaction chamber, middle part is provided with electrocoagulation electrode group in electric flocculation reaction chamber, is provided with electro-catalysis in the middle part of electrocatalytic reaction chamber
Oxidizing electrode group integrates the efficient water treatment facilities that electric flocculation ﹑ gas floats urging of ﹑ electricity oxygen ﹑ inclined plate sedimentation, useless for desulfurization
Water ﹑ weight gold, which belongs to the sewage such as useless water ﹑ useless water ﹑ containing oil difficult biochemistry with high salt, can efficiently go oil removal ﹑ weight gold to belong to from dirts such as sub- ﹑ oil ﹑ COD
Contaminate object.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples, but the present invention is not limited to following embodiment party
Formula
Embodiment 1
In Fig. 1, the electric flocculation and electrocatalytic oxidation integrated waste-water treater of the present embodiment are by water inlet pipe 1, deslagging
Pipe 2, first partition 3, Slag Scraping Device 4, electrocoagulation electrode group 5, electric flocculation water outlet weir plate 6, cowling panel 7, electrocatalytic oxidation electrode group
8, second partition 9, outlet pipe 10, the second sewage pipe 11, electrocatalytic oxidation subsider 12, the first sludge pipe 13, electric flocculation sedimentation
Slot 14, reactive tank 15.
It is equipped with that reactive tank 15 is separated into electric flocculation reaction chamber by electric flocculation water outlet weir plate 6 and electro-catalysis is anti-in reactive tank 15
Chamber is answered, the height of electric flocculation water outlet weir plate 6 makes electric flocculation reaction chamber be connected with electrocatalytic reaction chamber lower than the height of reactive tank 15
Logical, middle part is equipped with 3 groups of electrocoagulation electrode groups 5 in electric flocculation reaction chamber, and every group of electrocoagulation electrode group 5 is to erect on card slot type bracket
Straight cutting is equipped with 30 blocks of electrocoagulation electrode plates, and the spacing between adjacent two electrocoagulation electrodes plate is 20mm, the thickness of electrocoagulation electrode plate
For 5mm, electrocoagulation electrode plate is aluminium sheet, and the power supply of electrocoagulation electrode group 5 is the hf and hv pulse with automatic reverse function
Power supply prevents the foulings type ions such as the calcium ﹑ magnesium in water in electrode surface fouling, causes pole plate hardened, influence flocculation efficiency, reaction
The water inlet pipe 1 being connected with electric flocculation reaction chamber is installed, raw sewage enters reactive tank from water inlet pipe 1 below the side wall of slot 15
In 15, top is separated out slag trapping cavity by first partition 3 on the left of electric flocculation reaction chamber, and the height of first partition 3 is less than reactive tank
15 height makes slag trapping cavity be connected with electric flocculation reaction chamber, is equipped with above the side wall of reactive tank 15 and to be connected with slag trapping cavity
Scum pipe 2 is located above electric flocculation reaction chamber, and Slag Scraping Device 4 is equipped on reactive tank 15, and Slag Scraping Device 4 is to be equipped on mounting rack
Motor and sprocket wheel chain mechanism, the power end of motor and the sprocket wheel of sprocket wheel chain mechanism are connected, the chain of sprocket wheel chain mechanism
On scraper plate is installed, motor drives scraper plate bilateral reciprocation by sprocket wheel chain mechanism, the diameter generated due to electric flocculation gas
The oxygen bubbles for being 20~60 μm for 10~30 μm of bubble hydrogens and diameter has demulsification and air flotation effect well, in conjunction with Slag Scraping Device
4 can efficiently separate the pollutants such as Xuan Fu Wu ﹑ Chong Jin Shu Li ﹑ oil with water, and the bottom positioned at electric flocculation reaction chamber is equipped with
Taper electric flocculation subsider 14, the bottom of electric flocculation subsider 14 are equipped with the first sludge pipe 13, and the wadding body that electric flocculation generates is logical
It crosses gravity and deposits to bottom, sludge is discharged by sludge pipe.
The water inlet of the right side electrocatalytic reaction chamber of electric flocculation water outlet weir plate 6 is equipped with cowling panel 7, electric flocculation reaction chamber
It is interior by electric flocculation treated sewage by being overflowed above electric flocculation water outlet weir plate 6, electro-catalysis is entered by the lower section of cowling panel 7
In reaction chamber, electrocatalytic oxidation electrode group 8 is installed in the middle part of electrocatalytic reaction chamber, electrocatalytic oxidation electrode group 8 is card slot type
30 pieces of electrocatalytic oxidation electrode plates being parallel to each other are tiltedly installed on bracket, tilt angle is 50 °, adjacent two electrocatalytic oxidation
Spacing between electrode plate is 20mm, and electrocatalytic oxidation electrode plate is the titanium-based pole plate for being coated with iridium, with a thickness of 0.2mm, electrocatalytic oxidation
Polarizing electrode plate not only has the function of the pollutants such as Electro-catalytic Oxidation Process COD, and there are also the functions of inclined plate sedimentation, can wad a quilt with cotton to electricity
Coagulation zone water is settled again, and the power supply of electrocatalytic oxidation electrode group 8 is the DC power supply with automatic reverse function, is prevented
The foulings type ion such as calcium and magnesium of water quality influences catalytic efficiency in electrode surface fouling, and the upper right side of electrocatalytic reaction chamber passes through the
Two partitions 9 are separated out water outlet water collection chamber, and the height of second partition 9 is less than the height of reactive tank 15, make electrocatalytic reaction chamber and go out
Water water collection chamber is connected, electrocatalytic reaction it is intracavitary by electro-catalysis treated sewage by entering water outlet collection above second partition 9
Water cavity, the bottom of electrocatalytic reaction chamber are equipped with taper electrocatalytic oxidation subsider 12, the bottom of electrocatalytic oxidation subsider 12
Second sewage pipe 11 is installed.The reactive tank 15 of the present embodiment, electric flocculation water outlet weir plate 6, water inlet pipe 1, electric flocculation subsider 14,
First sludge pipe 13, first partition 3, cowling panel 7, electrocatalytic oxidation subsider 12, second partition 9, scum pipe 2, the second blowdown
Pipe 11, outlet pipe 10 are insulator, reduce energy loss, improve treatment effeciency.
Embodiment 2
In the present embodiment, electric flocculation water outlet weir plate 6 is equipped in reactive tank 15, and that reactive tank 15 is separated into electric flocculation is anti-
Chamber and electrocatalytic reaction chamber are answered, middle part is equipped with 2 groups of electrocoagulation electrode groups 5, every group of electrocoagulation electrode group 5 in electric flocculation reaction chamber
To be fitted with 60 blocks of electrocoagulation electrode plates on card slot type bracket vertically, the spacing between adjacent two electrocoagulation electrodes plate is 10mm, electricity
The electrode plate that flocculates with a thickness of 3mm, electrocoagulation electrode plate is aluminium sheet, and electrocatalytic oxidation electricity is equipped in the middle part of electrocatalytic reaction chamber
Pole group 8, electrocatalytic oxidation electrode group 8 are to be tiltedly installed with 30 pieces of electrocatalytic oxidation polarizing electrodes being parallel to each other on card slot type bracket
Plate, tilt angle are 30 °, and the spacing between adjacent two electrocatalytic oxidations electrode plate is 20mm, and electrocatalytic oxidation electrode plate is to be coated with
The titanium-based pole plate of iridium, with a thickness of 0.1mm.The connection relationship of other components and components is same as Example 1.
Embodiment 3
In the present embodiment, electric flocculation water outlet weir plate 6 is equipped in reactive tank 15, and that reactive tank 15 is separated into electric flocculation is anti-
Chamber and electrocatalytic reaction chamber are answered, middle part is equipped with 1 group of electrocoagulation electrode group 5, every group of electrocoagulation electrode group 5 in electric flocculation reaction chamber
To be fitted with 2 blocks of electrocoagulation electrode plates on card slot type bracket vertically, the spacing between adjacent two electrocoagulation electrodes plate is 30mm, electricity wadding
Solidifying electrode plate with a thickness of 6mm, electrocoagulation electrode plate is iron plate, is equipped with electrocatalytic oxidation polarizing electrode in the middle part of electrocatalytic reaction chamber
Group 8, electrocatalytic oxidation electrode group 8 are to be tiltedly installed with 2 pieces of electrocatalytic oxidation electrode plates being parallel to each other on card slot type bracket, are inclined
Rake angle is 60 degree, and the spacing between adjacent two electrocatalytic oxidations electrode plate is 30mm, and electrocatalytic oxidation electrode plate is to be coated with iridium
Titanium-based pole plate, with a thickness of 0.3mm.The connection relationship of other components and components is same as Example 1.
In order to verify beneficial effects of the present invention, inventor has carried out following test:
Test 1
The electric flocculation and electrocatalytic oxidation integrated waste-water treater of Application Example 1 smelt certain smeltery's heavy metal
Waste water is handled, and wherein the current density of electrocoagulation electrode group 5 is 15mA/cm2, the current density of electrocatalytic oxidation battery plate group
25mA/cm2, treatment effect see the table below 1.
1 heavy metal containing wastewater treatment effect of table
| Analysis project | PH | Ni | Co | COD | Conductivity |
| Unit | / | mg/L | mg/L | mg/L | ms/cm |
| Raw water | 8.05 | 231.0 | 22.0 | 124 | 80.1 |
| After processing | 7.89 | 0.02 | 0.05 | 65 | 80.0 |
| Removal rate | / | 99.99% | 99.77% | 47.58% | / |
To heavy metal obvious processing effect, to the removal rate 99.99% of nickel, the removal rate to cobalt is 99.77%, COD's
Removal rate is 47.58%, and index complies fully with " copper, nickel, cobalt emission of industrial pollutants standard " (GB25467-2010).
Test 2
The electric flocculation and electrocatalytic oxidation integrated waste-water treater of Application Example 2 are to certain Paint Factory's latex paint waste water
It is handled, wherein the current density of electrocoagulation electrode group 5 is 5mA/cm2, the current density 20mA/ of electrocatalytic oxidation battery plate group
cm2, treatment effect see the table below 2.
2 emulsion paint water treatment effect of table
To heavy metal obvious processing effect forever, 99.58% is greater than to the removal rate of turbidity, to the removal rate of COD
91.79%, the removal rate that the removal rate to suspended matter is 99.97%, COD is 98.21%, and water outlet meets " urban wastewater treatment
Factory's pollutant emission standard (GB18918-2016) " secondary discharge standard.
Claims (6)
1. a kind of electric flocculation and electrocatalytic oxidation integrated waste-water treater, it is characterised in that: be provided in reactive tank (15)
Reactive tank (15) is separated into electric flocculation reaction chamber and electrocatalytic reaction chamber, electric flocculation water outlet weir plate by electric flocculation water outlet weir plate (6)
(6) height is lower than the height of reactive tank (15), is provided with below the side wall of reactive tank (15) and is connected with electric flocculation reaction chamber
Water inlet pipe (1), middle part is provided with electrocoagulation electrode group (5) in electric flocculation reaction chamber, and the power supply of electrocoagulation electrode group (5) is tool
There is the high-frequency and high-voltage impulse power supply of automatic reverse function, one upper side of electric flocculation reaction chamber is separated out collection by first partition (3)
Slag chamber, the height that the height of first partition (3) is less than reactive tank (15) make slag trapping cavity be connected with electric flocculation reaction chamber, reactive tank
(15) it is provided with the scum pipe (2) being connected with slag trapping cavity above side wall, is located at reactive tank (15) above electric flocculation reaction chamber
On be provided with Slag Scraping Device (4), the electric flocculation subsider (14) of the bottom of electric flocculation reaction chamber setting, electric flocculation subsider (14)
Bottom is provided with the first sludge pipe (13), and the water inlet of electrocatalytic reaction chamber is provided with cowling panel (7), middle part is provided with electricity and urges
Change oxidizing electrode group (8), bottom is provided with electrocatalytic oxidation subsider (12), water outlet is separated out by second partition (9)
It is discharged water collection chamber, the height of second partition (9) is less than the height of reactive tank (15), is provided with and goes out on the side wall of reactive tank (15)
The outlet pipe (10) that water water collection chamber is connected, the power supply of electrocatalytic oxidation electrode group (8) are the direct current with automatic reverse function
Power supply, the bottom of electrocatalytic oxidation subsider (12) are provided with the second sewage pipe (11).
2. electric flocculation according to claim 1 and electrocatalytic oxidation integrated waste-water treater, it is characterised in that: described
The quantity of electrocoagulation electrode group (5) be 1~5 group, every group of electrocoagulation electrode group (5) be vertically arranged on card slot type bracket to
Lack 2 blocks of electrocoagulation electrode plates, the spacing between adjacent two electrocoagulation electrodes plate is 10~30mm.
3. electric flocculation according to claim 2 and electrocatalytic oxidation integrated waste-water treater, it is characterised in that: described
Electrocoagulation electrode plate with a thickness of 2~6mm, electrocoagulation electrode plate is aluminium sheet or iron plate.
4. electric flocculation according to claim 1 and electrocatalytic oxidation integrated waste-water treater, it is characterised in that: described
Electrocatalytic oxidation electrode group (8) be card slot type bracket on be tiltedly installed at least 2 pieces electrocatalytic oxidation polarizing electrodes being parallel to each other
Plate, the spacing between adjacent two electrocatalytic oxidations electrode plate are 10~30mm.
5. electric flocculation according to claim 4 and electrocatalytic oxidation integrated waste-water treater, it is characterised in that: described
Electrocatalytic oxidation electrode plate with a thickness of 0.1~0.3mm, electrocatalytic oxidation electrode plate is the titanium-based pole plate for being coated with iridium, ruthenium.
6. electric flocculation according to claim 4 or 5 and electrocatalytic oxidation integrated waste-water treater, it is characterised in that:
The tilt angle of the electrocatalytic oxidation electrode plate is 30 °~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110902899A (en) * | 2019-12-20 | 2020-03-24 | 广东工业大学 | Garbage pressing leachate treatment device and method |
| CN113044935A (en) * | 2021-05-17 | 2021-06-29 | 北京华舜伟业环保科技有限公司 | Electric flocculation purifier |
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| CN108467093A (en) * | 2017-02-23 | 2018-08-31 | 中国石油大学(华东) | Electric flocculation oilfield sewage treatment device |
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| CN108467093A (en) * | 2017-02-23 | 2018-08-31 | 中国石油大学(华东) | Electric flocculation oilfield sewage treatment device |
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