CN110436581A - The closed oxidation unit of electrochemistry and the waste water treatment system with it - Google Patents
The closed oxidation unit of electrochemistry and the waste water treatment system with it Download PDFInfo
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- CN110436581A CN110436581A CN201910782438.2A CN201910782438A CN110436581A CN 110436581 A CN110436581 A CN 110436581A CN 201910782438 A CN201910782438 A CN 201910782438A CN 110436581 A CN110436581 A CN 110436581A
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- electrode plate
- cover board
- electrolysis
- power supply
- waste water
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- 230000003647 oxidation Effects 0.000 title claims abstract description 27
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 27
- 230000005518 electrochemistry Effects 0.000 title claims abstract description 24
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910000510 noble metal Inorganic materials 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 abstract description 37
- 238000000034 method Methods 0.000 description 10
- 239000010813 municipal solid waste Substances 0.000 description 10
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005325 percolation Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000006385 ozonation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- MXEJFXMHLHQKRP-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Pb++] Chemical compound [O--].[O--].[Ti+4].[Pb++] MXEJFXMHLHQKRP-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 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
- C02F1/467—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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- 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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
-
- 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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
- C02F2001/46142—Catalytic coating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4612—Controlling or monitoring
- C02F2201/46125—Electrical variables
- C02F2201/4614—Current
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4616—Power supply
- C02F2201/4617—DC only
-
- C—CHEMISTRY; METALLURGY
- 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]
Abstract
The invention discloses the closed oxidation unit of electrochemistry and with its waste water treatment system, device includes: the first cover board, and the first cover board is equipped with water inlet water nozzle；Second cover board, the second cover board and the first cover board are opposite and arranged for interval, the second cover board are equipped with water outlet water nozzle；First electrode plate forms the first porose area on first electrode plate；Second electrode plate, gasket is equipped between second electrode plate and first electrode plate and second electrode plate and second electrode plate are disposed alternately between the first cover board and the second cover board, the second porose area is formed on second electrode plate, first porose area and the second porose area limit electrolysis channel jointly, and electrolysis channel is connected to water inlet water nozzle and water outlet water nozzle；Power supply, power supply are electrically connected with first electrode plate and second electrode plate.COD in waste water can be effectively reduced using the device, while occupied area is small, on the pipeline that can be mounted directly, low cost.
Description
Technical field
The invention belongs to field of waste water treatment, and in particular at a kind of closed oxidation unit of electrochemistry and waste water with it
Reason system.
Background technique
The method for reducing COD in coloured industry waste water at present includes chemical coagulation process, Ozonation and electrochemical process,
In, chemical coagulation process is that method of the physics sedimentation to reduce COD is formed by addition coagulant and flocculant, can be effective
Go water removal in a variety of macromolecule organics, equipment is simple, operation easy to maintain and high treating effect, but operating cost
It is big to produce the quantity of slag for valuableness；Ozonation is to be carried out disinfection processing by ozone oxidation to the pollutant in waste water, because of ozone
It with Strong oxdiative ability, and is swift in response, process is simple, does not have secondary pollution problem.But the power consumption for producing ozone is very high,
Cost is big；Electrochemical process is to be answered by battery chemistry side occurs, and using cathode with the difference of metallicity between anode, is produced
Raw potential difference makes electronics that directed flow occur, and generates electric current, the pollutant removal in water fallen using electrolysis principle or
Nontoxic, few noxious material is converted by toxic substance, but existing electrochemical apparatus takes up a large area and cost is high.
Therefore, the existing equipment for handling COD in waste water is further improved.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of closed oxidation unit of electrochemistry and the waste water treatment system with it, can be had using the device
Effect reduces the COD in waste water, while occupied area is small, on the pipeline that can be mounted directly, low cost.
In one aspect of the invention, the invention proposes a kind of closed oxidation units of electrochemistry.Reality according to the present invention
Example is applied, described device includes:
First cover board, first cover board are equipped with water inlet water nozzle；
Second cover board, second cover board and first cover board be opposite and arranged for interval, and on second cover board
Equipped with water outlet water nozzle；
First electrode plate forms the first porose area on the first electrode plate；
Second electrode plate is equipped with gasket and the first electrode plate between the second electrode plate and the first electrode plate
And the second electrode plate is disposed alternately between first cover board and second cover board, is formed on the second electrode plate
Second porose area, and first porose area and second porose area limit jointly electrolysis channel, the electrolysis channel with it is described
Water inlet water nozzle is connected to the water outlet water nozzle；
Power supply, the power supply are electrically connected with the first electrode plate and the second electrode plate.
The closed oxidation unit of electrochemistry according to an embodiment of the present invention is by using the first electrode plate with the first aperture
It is alternately arranged with the second electrode plate with the second aperture, and the first aperture and the second aperture limit electrolysis channel jointly,
First electrode plate and the setting of second electrode plate periphery spend both fixed the first cover board and the second cover board, and be electrolysed channel with
Water inlet water nozzle on first cover board and the water outlet water nozzle connection on the second cover board, i.e., so that through water nozzle stream of intaking on the first cover board
The waste water entered is discharged through the water outlet water nozzle on the second cover board again after being electrolysed channel, and waste water is when percolation is electrolysed channel, adjacent
First electrode plate and second electrode plate between catalytic and oxidative electrolysis technology occurs, to effectively remove the COD in waste water.It adopts as a result,
The COD in waste water can be effectively reduced with the device, while occupied area is small, can further be mounted directly the device
On pipeline, low cost.
In addition, the closed oxidation unit of electrochemistry according to the above embodiment of the present invention can also have following additional technology
Feature:
In some embodiments of the invention, first cover board and second cover board are PVC cover board or metal cover board.
In some embodiments of the invention, the first electrode plate includes connected the first round electrolysis portion and the first pole
Ear, first porose area are located at the center in the described first round electrolysis portion.
In some embodiments of the invention, the second electrode plate includes connected the second round electrolysis portion and the second pole
Ear, second porose area are located at the center in the described second round electrolysis portion.
In some embodiments of the invention, first tab portion and second tab portion are located at the electrolysis channel
One or both sides.
In some embodiments of the invention, the gasket and the first round electrolysis portion or the second round electrolysis
Portion's matching.
In some embodiments of the invention, the first electrode plate and the second electrode plate are separately stainless
The material that steel, titanium, copper or titanium plate noble metal is made or surface coating catalyst.Thus, it is possible to which the COD in waste water is effectively reduced.
In some embodiments of the invention, the power supply is direct current reversing power supply, and the direct current reversing power supply
Anode is periodically electrically connected with one in the first electrode plate and second electrode plate, the cathode of the direct current reversing power supply
Periodically it is electrically connected with another in the first electrode plate and second electrode plate.Thus, it is possible to keep electrode activity, drop
Low tank voltage.
In some embodiments of the invention, above-mentioned apparatus further comprises fastening bolt, and the fastening bolt connects institute
State the first cover board and second cover board.
In another aspect of the invention, the invention proposes a kind of waste water treatment systems.According to an embodiment of the invention,
The waste water treatment system has the closed oxidation unit of electrochemistry described above.As a result, by within the system using above-mentioned
Waste water treatment system, the COD in waste water can be effectively removed, flexible operation, occupied area is small and cost is low.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the cross-sectional structure schematic diagram of the closed oxidation unit of electrochemistry according to an embodiment of the invention；
Fig. 2 is that the structure of the first electrode plate on the closed oxidation unit of electrochemistry according to an embodiment of the invention is shown
It is intended to；
Fig. 3 is that the structure of the first electrode plate on the closed oxidation unit of electrochemistry according to an embodiment of the invention is shown
It is intended to；
Fig. 4 is first electrode plate and the second electricity on the closed oxidation unit of electrochemistry according to an embodiment of the invention
The structural schematic diagram of gasket between pole plate.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In one aspect of the invention, the invention proposes a kind of closed oxidation units of electrochemistry.Reality according to the present invention
Example is applied, with reference to Fig. 1-4, which includes: the first cover board 100, the second cover board 200, first electrode plate 300, second electrode plate 400
With power supply 500.
According to an embodiment of the invention, the first cover board 100 is equipped with water inlet water nozzle 11, it is preferable that water inlet water nozzle 11 is located at the
The center of one cover board 100, and the first cover board 100 can be PVC cover board or metal cover board, it can be with to this those skilled in the art
It is selected according to actual needs.
According to an embodiment of the invention, the second cover board 200 and the first cover board 100 is opposite and arranged for interval, and the second lid
Plate 200 is equipped with water outlet water nozzle 21, it is preferable that water outlet water nozzle 21 is located at the center of the second cover board 200, and 100 He of the first cover board
Second cover board 200 parallel arrangement water inlet water nozzle 11 and goes out it is furthermore preferred that water inlet water nozzle 11 and 21 position of water outlet water nozzle are corresponding
Water water nozzle 21 is symmetrical arranged relative to region between the first cover board 100 and the second cover board 200, and the second cover board 200 can be
PVC cover board or metal cover board can select this those skilled in the art according to actual needs.
According to an embodiment of the invention, the first porose area 31 is formed on first electrode plate 300, specifically, the first porose area 31 can
Think netted or cellular, is passed through with guaranteeing that the waste water entered through water inlet water nozzle 11 flows.One according to the present invention specific real
Example is applied, with reference to Fig. 2, first electrode plate 300 includes the first round electrolysis portion 32 and the first tab portion 33 being connected, the first porose area 31
It is located at the center in the first round electrolysis portion 32, further, first electrode plate 300 is that stainless steel, titanium, copper or titanium plate noble metal
Material is made or surface coating catalyst.Wherein, catalyst can be any substance for being not involved in reaction, for example, titanium dioxide
Lead, nickel oxide or titanium oxide etc..
According to an embodiment of the invention, being equipped with gasket 41 and the second electricity between second electrode plate 400 and first electrode plate 300
Pole plate 400 and first electrode plate 300 are disposed alternately between the first cover board 100 and the second cover board 200, on second electrode plate 400
Form the second porose area 42, and the first porose area 42 and the second porose area 41 limit electrolysis channel 40 jointly, electrolysis channel 40 with into
Water water nozzle 11 is connected to water outlet water nozzle 21.Specifically, multiple first electrode plates 300 are arranged in the first cover board 100 and the second cover board 200
With multiple second electrode plates 400 and first electrode plate 300 and second electrode plate 400 are arranged alternately, while connected first electrode
Gasket 41 is equipped between plate 300 and second electrode plate 400.It is same as first electrode plate 300, the second hole on second electrode plate 400
Area 42 can be netted or cellular, be passed through with guaranteeing that the waste water entered through water inlet water nozzle 11 flows.One according to the present invention
Specific embodiment is same as first electrode plate 300 with reference to Fig. 3, and second electrode plate 400 includes the second round electrolysis portion 43 being connected
With the second tab portion 44, the second porose area 42 is located at the center in the second round electrolysis portion 43, and further, second electrode plate 400 is
The material that stainless steel, titanium, copper or titanium plate noble metal is made or surface coating catalyst.Wherein, catalyst can be to be not involved in instead
Any substance answered, for example, brown lead oxide, nickel oxide or titanium oxide etc..Preferably, first electrode plate 300 and second electrode plate
400 structures are identical, i.e. 42 size phase of the first porose area 31 on first electrode plate 300 and the second porose area on second electrode plate 400
Together, the first porose area 31 and on first electrode plate 300 and the second porose area 42 on second electrode plate 400 are correspondingly formed electrolysis channel
40, waste water enter electrolysis channel 40 through water inlet water nozzle 11 and flow be electrolysed channel 40 when, adjacent first electrode plate 300 and the
Catalytic and oxidative electrolysis technology occurs between two electrode plates 400, to effectively remove the COD in waste water, removes the waste water of COD through being discharged water
Mouth 21 is discharged.
Further, with reference to Fig. 4, gasket 41 is matched with the first round electrolysis portion 32 or the second round electrolysis portion 43, that is, is padded
Aperture 45 corresponding with the first porose area 31 and the second porose area 32 is equipped among piece 41, thus by adjacent 300 He of first electrode plate
Second electrode plate 400 carries out insulation gap and sealing, and the gasket material is conventional use of insulating materials in the prior art,
And sealing is set between the first electrode plate 300 or second electrode plate 400 and the first cover board 100 adjacent with the first cover board 100
Material is equally set between the adjacent first electrode plate 300 of the second cover board 200 or second electrode plate 400 and the second cover board 200
Sealing material is set, to guarantee the leakproofness of the device, it should be noted that the sealing material is conventional in the prior art uses
Sealing material, details are not described herein again.
Further, with reference to Fig. 1, in order to fix first electrode plate 300 and second electrode plate 400, using fastening bolt 46
Connect the first cover board 100 and the second cover board 200, and fastening bolt 46 can be it is multiple, thus by fixing the first cover board 100
And second cover board 200 come between the two first electrode plate 300 and second electrode plate 400 be fixed.
Further, the first tab portion 33 and the second tab portion 44 are located at the one or both sides in electrolysis channel 40, it is preferable that ginseng
Fig. 1 is examined, the first tab portion 33 and the second tab portion 44 are respectively provided at the two sides in electrolysis channel 40.
According to an embodiment of the invention, power supply 500 is electrically connected with first electrode plate 300 and second electrode plate 400, to make
Catalytic and oxidative electrolysis technology is carried out to the waste water in percolation electrolysis channel 40 under power supply effect, to remove the COD in waste water.
A specific embodiment according to the present invention, power supply 500 are direct current reversing power supply, the anode of the direct current reversing power supply
51 and the periodically switching of cathode 52, and anode 51 periodically with one in first electrode plate 300 and second electrode plate 400
Electrical connection, cathode 52 are periodically electrically connected with another in first electrode plate 300 and second electrode plate 400.Specifically, electric
The anode 51 in source 500 is electrically connected with first electrode plate 300, and the cathode 52 of power supply 500 is electrically connected with second electrode plate 400, electrolysis
In the process, the oxygen that the first electrode plate being connected with positive pole generates can carry out oxidation to the organic matter in waste water, raw
Cheng Shui and carbon dioxide, and the second electrode plate being connected with cathode generates hydrogen, it (specifically can be according to waste water when needing to commutate
Water quality difference adjustment, such as 5~90min), the anode 51 and cathode 52 of Switching power 500 so that the anode 51 of power supply 500 and
Second electrode plate 400 is electrically connected, and the cathode 52 of power supply 500 is electrically connected with first electrode plate 300, first to be connected with power cathode
Electrode plate generates hydrogen, these bubbles can clear up the organic matter and other impurities being adhered on first electrode plate, and
The second electrode plate that is connected with positive pole generates oxygen and carries out oxidation to the organic matter in waste water, repeatedly alternately into
Row.
It should be noted that the waste water in the application can be the higher waste water of COD caused by organic matter, even rubbish
Leachate site, sanitary sewage and organic industrial sewage etc..And in electrolytic process, current density is 50~300A/m2, handle energy
Power is 0.5-5m3/m2/ h, power supply commutation cycle are 5~30min.
The closed oxidation unit of electrochemistry according to an embodiment of the present invention is by using the first electrode plate with the first aperture
It is alternately arranged with the second electrode plate with the second aperture, and the first aperture and the second aperture limit electrolysis channel jointly,
First electrode plate and the setting of second electrode plate periphery spend both fixed the first cover board and the second cover board, and be electrolysed channel with
Water inlet water nozzle on first cover board and the water outlet water nozzle connection on the second cover board, i.e., so that through water nozzle stream of intaking on the first cover board
The waste water entered is discharged through the water outlet water nozzle on the second cover board again after being electrolysed channel, and waste water is when percolation is electrolysed channel, adjacent
First electrode plate and second electrode plate between catalytic and oxidative electrolysis technology occurs, to effectively remove the COD in waste water.It adopts as a result,
The COD in waste water can be effectively reduced with the device, while occupied area is small, can further be mounted directly the device
On pipeline, low cost.
In another aspect of the invention, the invention proposes a kind of waste water treatment systems.According to an embodiment of the invention,
The waste water treatment system has the closed oxidation unit of electrochemistry described above.As a result, by within the system using above-mentioned
Waste water treatment system, the COD in waste water can be effectively removed, flexible operation, occupied area is small and cost is low.It needs
Bright, the above-mentioned feature and advantage for the closed oxidation unit description of electrochemistry are equally applicable to the waste water treatment system, this
Place repeats no more.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe
Property, without limiting the invention in any way.
Embodiment 1
Garbage leachate is handled using the closed oxidation unit of the application electrochemistry, the initial COD of garbage leachate >
Garbage leachate is supplied through water inlet water nozzle into electrolysis channel, 4 is arranged between the first cover board and the second cover board by 20000ppm
First electrode plate and 5 second electrode plates, and the material of first electrode plate is stainless steel, and the material of second electrode plate is stainless
Steel, in current density 200A/m2, flow velocity 0.5m3/m2/ h, power supply commutation cycle are 5min, and waste water stops in electrolysis channel
Time is 2min, and COD is 150ppm in liquid after being blown the processing of water water nozzle discharge.
Embodiment 2
Certain highly concentrated COD waste water, initial COD > 10000ppm, by rubbish are handled using the closed oxidation unit of the application electrochemistry
Leachate site water nozzle of being intake is supplied into electrolysis channel, and 6 first electrode plates and 7 the are arranged between the first cover board and the second cover board
Two electrode plates, and the material of first electrode plate is titanium, and the material of second electrode plate is titanium, in current density 200A/m2, flow velocity
For 0.5m3/m2/ h, power supply commutation cycle are 10min, and waste water residence time in electrolysis channel is 3min, is blown the discharge of water water nozzle
Processing after in liquid COD be 100ppm.
Embodiment 3
Garbage leachate is handled using the closed oxidation unit of the application electrochemistry, the initial COD of garbage leachate >
Garbage leachate is supplied through water inlet water nozzle into electrolysis channel, 4 is arranged between the first cover board and the second cover board by 30000ppm
First electrode plate and 5 second electrode plates, and the material of first electrode plate is stainless steel, and the material of second electrode plate is stainless
Steel, in current density 250A/m2, flow velocity 0.3m3/m2/ h, power supply commutation cycle are 20min, and waste water stops in electrolysis channel
Time is 5min, and COD is 180ppm in liquid after being blown the processing of water water nozzle discharge.
Embodiment 4
Certain highly concentrated COD waste water, initial COD > 8000ppm, by rubbish are handled using the closed oxidation unit of the application electrochemistry
Leachate site water nozzle of being intake is supplied into electrolysis channel, and 2 first electrode plates and 3 the are arranged between the first cover board and the second cover board
Two electrode plates, and the material of first electrode plate is titanium, and the material of second electrode plate is titanium, in current density 200A/m2, flow velocity
For 0.6m3/m2/ h, power supply commutation cycle are 30min, and waste water residence time in electrolysis channel is 5min, is blown the discharge of water water nozzle
Processing after in liquid COD be 100ppm.
Embodiment 5
Certain highly concentrated COD waste water, initial COD > 5000ppm, by rubbish are handled using the closed oxidation unit of the application electrochemistry
Leachate site water nozzle of being intake is supplied into electrolysis channel, and 4 first electrode plates and 5 the are arranged between the first cover board and the second cover board
Two electrode plates, and the material of first electrode plate is graphite, and the material of second electrode plate is graphite, in current density 150A/m2,
Flow velocity is 0.1m3/m2/ h, power supply commutation cycle are 60min, and waste water residence time in electrolysis channel is 2.5min, is blown water water
COD is 150ppm in liquid after the processing of mouth discharge.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of closed oxidation unit of electrochemistry characterized by comprising
First cover board, first cover board are equipped with water inlet water nozzle；
Second cover board, second cover board and first cover board be opposite and arranged for interval, and second cover board is equipped with
Water outlet water nozzle；
First electrode plate forms the first porose area on the first electrode plate；
Second electrode plate, equipped with gasket and the first electrode plate and institute between the second electrode plate and the first electrode plate
It states second electrode plate to be disposed alternately between first cover board and second cover board, forms second on the second electrode plate
Porose area, and first porose area and second porose area limit electrolysis channel, the electrolysis channel and the water inlet jointly
Water nozzle is connected to the water outlet water nozzle；
Power supply, the power supply are electrically connected with the first electrode plate and the second electrode plate.
2. the apparatus according to claim 1, which is characterized in that first cover board and second cover board are PVC cover board
Or metal cover board.
3. device according to claim 1 or 2, which is characterized in that the first electrode plate includes the first connected circle
Electrolysis portion and the first tab portion, first porose area are located at the center in the described first round electrolysis portion.
4. device according to claim 3, which is characterized in that the second electrode plate includes the second connected round electrolysis
Portion and the second tab portion, second porose area are located at the center in the described second round electrolysis portion.
5. device according to claim 4, which is characterized in that first tab portion and second tab portion are located at institute
State the one or both sides in electrolysis channel.
6. device according to claim 4, which is characterized in that the gasket and the first round electrolysis portion or described the
Two round electrolysis portion matchings.
7. the apparatus according to claim 1, which is characterized in that the first electrode plate and second electrode plate difference are only
It is on the spot stainless steel, titanium, copper or titanium plate the material of noble metal and be made or surface coats catalyst.
8. the apparatus according to claim 1, which is characterized in that the power supply is direct current reversing power supply, and the direct current
The anode of commutation power supply is periodically electrically connected with one in the first electrode plate and second electrode plate, the direct current reversing
The cathode of power supply is periodically electrically connected with another in the first electrode plate and second electrode plate.
9. the apparatus according to claim 1, which is characterized in that it further comprise fastening bolt, the fastening bolt connection
First cover board and second cover board.
10. a kind of waste water treatment system, which is characterized in that the waste water treatment system has any one of claim 1-9 institute
The closed oxidation unit of the electrochemistry stated.
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