CN208151130U - A kind of processing unit of electrocatalytic oxidation used water difficult to degradate - Google Patents
A kind of processing unit of electrocatalytic oxidation used water difficult to degradate Download PDFInfo
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- CN208151130U CN208151130U CN201721747075.1U CN201721747075U CN208151130U CN 208151130 U CN208151130 U CN 208151130U CN 201721747075 U CN201721747075 U CN 201721747075U CN 208151130 U CN208151130 U CN 208151130U
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Abstract
A kind of processing unit of electrocatalytic oxidation used water difficult to degradate, including cylinder-shaped eddy flow electrocatalysis oxidation apparatus, the upper/lower terminal of device be equipped with, inlet, liquid outlet and inlet are located at cylinder-shaped device body section, waste water is entered along cylinder tangential direction by magnetic force driving pump, forms eddy flow along cylinder inner wall.Electrode assembly is made of DSA anode and stainless steel, Ti cathode, and DSA anode is brown lead oxide, iridium dioxide, ruthenic oxide, titanium platinum plated anode.The core of the device is to form eddy flow using forced water stream, eliminates the concentration polarization phenomenon inside electric catalysis reactor, increases the mass-transfer efficiency of reactor, improves reaction efficiency.By processing coal chemical industry high-salt wastewater the result shows that：The device has good electrocatalytic oxidation ability, can significantly reduce the coloration and COD of high-salt wastewater, so that water outlet enters evaporation and crystallization system, the salt of output is through national product salt Product Quality Verification Centers, and detection is qualified, and sodium chloride and sodium sulphate purity reach 99.5%.
Description
Technical field
The utility model relates to organic refractory wastewaters, and in particular to a kind of electrocatalytic oxidation used water difficult to degradate
Processing unit.
Background technique
With the rapid industrial development in our country, a large amount of industrial wastewater discharge brings huge pressure to environment.Such as it prints
The waste water of the industries such as dye, chemical industry, plating, pharmacy discharge, although can be by most of wastewater treatment using bioanalysis and physico-chemical process
Reach national secondary discharge standard.But still have a large amount of pollutant emission to environment, cause huge water resource waste.State
Environmental protection administration of family concentrates height of release to pay attention to industrial wastewater, realizes Treated sewage reusing and Sewage advanced treatment is following main attack side
To.So the efficient process of organic used water difficult to degradate is urgently to be resolved in industrial wastewater.
In recent years, China has carried out a large amount of research work in sewage advanced treatment field.Widely applied method has：
Iron-carbon micro-electrolysis technology, Fenton oxidation method, Ozonation, photocatalytic oxidation and Electrocatalytic Oxidation etc..With other skills
Art is compared, and Electrocatalytic Oxidation has broad application prospects, and Electrocatalytic Oxidation is directly degraded organic dirt by anode reaction
It contaminates object or hydroxyl radical free radical, ozone oxidation agent degradable organic pollutant is generated by anode reaction.It can will be organic in water body
Pollutant is mineralized into carbon dioxide and water, to achieve the purpose that degrading waste water.
Electro-catalytic oxidation technology is applied to the process field of industrial wastewater, everybody has been obtained in treatment effect and advantage
Approval, but there are many problems demands in the specific application process and solve.The system of one electrocatalytic oxidation processing waste water,
Its core is two aspects of the efficient reactor of electrode material and mass transfer that electro catalytic activity is high, stability is good；This is to improve
Its electro-catalysis efficiency and the key for reducing cost.Therefore there is an urgent need to develop novel anode material and design optimization electro-catalysis are anti-
Equipment is answered to meet the technical requirements of Treatment of Organic Disbiodegradated Wastewater by Electrolysis of Catalysis Oxidation.
Utility model content
The active specy generated the purpose of this utility model is to provide the anodizing that can make of one kind effectively with it is useless
Organic pollutants are contacted and are reacted, and improve the processing dress of the electrocatalytic oxidation used water difficult to degradate of electrocatalytic oxidation treatment effeciency
It sets.
In order to achieve the above objectives, the device of the utility model includes：Wastewater equalization pond and it is connected with wastewater equalization pond
Electric catalyticing system, the outlet of electric catalyticing system is connected with water outlet reserve pool, and the electric catalyticing system includes shell and sets
The upper cover and pedestal in shell upper and lower end are set, the electrode base of card slot is provided on the intracorporal pedestal of shell, in electrode base
Card slot in be equidistantly circular layout outward from the center of circle and have electro-catalysis cathode, electro-catalysis anode and electro-catalysis cathode, under shell
End offer the water inlet along a tangential direction being connected with wastewater equalization pond, shell upper end offer it is opposite with water inlet with
It is discharged the connected water outlet along a tangential direction of reserve pool.
The outlet of the wastewater equalization pond is equipped with corrosion-resistant magnetic drive pump, and the outlet of corrosion-resistant magnetic drive pump is by having valve
The first pipe of door is connected with the entrance of electric catalyticing system.
The outlet of the electric catalyticing system with valvular second pipe with water outlet reserve pool by being connected.
Waste gas outlet is offered on the upper lid.
The waste water inner circulating tube being connected with housing cavity is also connected on the shell.
The electro-catalysis anode and electro-catalysis cathode uses netted or perforated tubular cylinder type electrode, passes through titanium copper-clad
Conductive rod welding.The electro-catalysis anode uses DSA anode, and electro-catalysis cathode uses stainless steel cathode.
The pole span of the electro-catalysis anode and electro-catalysis cathode is 6mm.
Since the water inlet of the utility model is opened up effectively along a tangential direction by hydrodynamics and electro-catalytic oxidation technology
In conjunction with；Efficient eddy flow mass transfer eliminates concentration polarization and mass transfer problem during electrocatalytic reaction；Cricoid electrode structure
The arrangement mode that design combines yin-yang alternate, enables waste water efficiently to touch electrode surface, electro-catalysis quickly occurs
Reaction, improves electrocatalytic reaction efficiency.
Further, the utility model is by the waste water inner circulating tube with magnetic drive pump, so that waste water is multiple in reactor
Reaction unit is circulated through, reaction efficiency is improved.
Detailed description of the invention
Fig. 1 is the electrocatalytic oxidation process flow chart of the utility model；
Fig. 2 is the structural schematic diagram of the utility model electric catalyticing system 4.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Referring to Fig. 1,2, the device of the utility model includes wastewater equalization pond 1, and the outlet of wastewater equalization pond 1 is equipped with corrosion resistant
Lose magnetic drive pump 2, the outlet of corrosion-resistant magnetic drive pump 2 by being connected with valvular first pipe 3 with the entrance of electric catalyticing system 4,
By being connected with valvular second pipe 7 with water outlet reserve pool 8, the electric catalyticing system 4 is wrapped for the outlet of electric catalyticing system 4
Include the shell 16 with waste water inner circulating tube 5 and setting on housing 16, the upper cover 13 of lower end and pedestal 15, open up in upper cover 13
There is waste gas outlet 6, the electrode base 14 of card slot is provided on the pedestal 15 in shell 16, in the card slot of electrode base 14
From the center of circle, outside equidistant (pole span 6mm), which is circular layout, electro-catalysis cathode 11, electro-catalysis anode 12 and electro-catalysis cathode
11, electro-catalysis anode 12 and electro-catalysis cathode 11 use netted or perforated tubular cylinder type electrode, pass through titanium copper-clad conductive rod
Welding, electro-catalysis anode 12 use DSA anode, electro-catalysis cathode 11 use stainless steel cathode, 16 lower end of shell offer with
The connected water inlet 9 along a tangential direction of wastewater equalization pond 1, end is offered on housing 16 opposite with water inlet stores up with water outlet
The water outlet 10 along a tangential direction that standby pond 8 is connected.
It is as follows to the processing method of electrocatalytic oxidation used water difficult to degradate using the device of the utility model：
1) using the bulky grain suspended matter in the filtering removal waste water of wastewater equalization pond 1, adjusting pH value of waste water is 6~9；
2) using corrosion-resistant magnetic drive pump 2 by waste water with 5m3The flow velocity of/h squeezes into electric catalyticing system 4 by wastewater equalization pond 1
Water inlet 9 forms eddy flow；
3) current strength for adjusting electric catalyticing system 4 is 300A/m2, waste water is made to stop 1h or more in electric catalyticing system 4
It is discharged into water outlet reserve pool 8 by water outlet 12 afterwards.
DSA anode material has that oxygen evolution potential is high, stability is good, can be effectively by organic pollutant under the action of electric field
Direct mineralising is carbon dioxide and water, and the followed by electric catalyticing system of the utility model by water inlet along a tangential direction and goes out
The mouth of a river realizes the eddy flow of waste water, eliminates waste water concentration polarization, the active specy that the anodizing enable generates effectively with it is useless
Organic pollutants are contacted and are reacted, and improve electrocatalytic oxidation treatment effeciency.Its reaction principle is produced using electrochemical oxidation
Organic pollutant oxygenolysis in waste water is carbon dioxide and water by raw hydroxyl radical free radical.
The device of the utility model has the feature that structure is simple, processing capacity is strong, applied widely and at low cost.It can be with
According to different water quality survey current densities, water inlet flow velocity and circulation time, so that water outlet reaches national second level discharge after degradation
Standard.
By processing coal chemical industry high-salt wastewater the result shows that：The device has good electrocatalytic oxidation ability, can be obvious
Reduction high-salt wastewater coloration and COD so that water outlet enter evaporation and crystallization system, the salt of output is through in national product salt quality inspection
The heart, detection is qualified, and sodium chloride and sodium sulphate purity reach 99.5%.
Claims (8)
1. a kind of processing unit of electrocatalytic oxidation used water difficult to degradate, it is characterised in that：Including wastewater equalization pond (1) and with it is useless
The outlet of the electric catalyticing system (4) that water conditioning tank (1) is connected, electric catalyticing system (4) is connected with water outlet reserve pool (8), described
Electric catalyticing system (4) include shell (16) and setting shell (16) upper and lower end upper cover (13) and pedestal (15), in shell
The electrode base (14) of card slot is provided on pedestal (15) in body (16), electrode base (14) card slot in from the center of circle to
Equidistantly being circular layout outside has electro-catalysis cathode (11), electro-catalysis anode (12) and electro-catalysis cathode (11), under shell (16)
End offers the water inlet (9) along a tangential direction being connected with wastewater equalization pond (1), offers and enter water in shell (16) upper end
The opposite water outlet (10) along a tangential direction being connected with water outlet reserve pool (8) of mouth.
2. the processing unit of electrocatalytic oxidation used water difficult to degradate according to claim 1, it is characterised in that：The waste water
The outlet of conditioning tank (1) is equipped with corrosion-resistant magnetic drive pump (2), and the outlet of corrosion-resistant magnetic drive pump (2) passes through with valvular first
Pipeline (3) is connected with the entrance of electric catalyticing system (4).
3. the processing unit of electrocatalytic oxidation used water difficult to degradate according to claim 1, it is characterised in that：The electricity is urged
The outlet of change system (4) with valvular second pipe (7) with water outlet reserve pool (8) by being connected.
4. the processing unit of electrocatalytic oxidation used water difficult to degradate according to claim 1, it is characterised in that：The upper cover
(13) waste gas outlet (6) are offered on.
5. the processing unit of electrocatalytic oxidation used water difficult to degradate according to claim 1, it is characterised in that：The shell
(16) the waste water inner circulating tube (5) with magnetic drive pump being connected with shell (16) inner cavity is also connected on.
6. the processing unit of electrocatalytic oxidation used water difficult to degradate according to claim 1, it is characterised in that：The electricity is urged
Change anode (12) and electro-catalysis cathode (11) uses netted or perforated tubular cylinder type electrode, is welded by titanium copper-clad conductive rod
It connects.
7. the processing unit of electrocatalytic oxidation used water difficult to degradate according to claim 1, it is characterised in that：The electricity is urged
Change anode (12) and use DSA anode, electro-catalysis cathode (11) uses stainless steel cathode.
8. the processing unit of electrocatalytic oxidation used water difficult to degradate according to claim 1, it is characterised in that：Electro-catalysis anode
It (12) is 6mm with the pole span of electro-catalysis cathode (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747075.1U CN208151130U (en) | 2017-12-15 | 2017-12-15 | A kind of processing unit of electrocatalytic oxidation used water difficult to degradate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721747075.1U CN208151130U (en) | 2017-12-15 | 2017-12-15 | A kind of processing unit of electrocatalytic oxidation used water difficult to degradate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973457A (en) * | 2017-12-15 | 2018-05-01 | 西安泰金工业电化学技术有限公司 | A kind of processing unit and method of electrocatalytic oxidation used water difficult to degradate |
| CN109516529A (en) * | 2018-12-25 | 2019-03-26 | 西安泰金工业电化学技术有限公司 | Electrocatalysis oxidation apparatus, coal chemical industry enterprises wastewater zero discharge system and technique |
| CN109879399A (en) * | 2019-02-13 | 2019-06-14 | 连云港辐射环境监测管理站 | A kind of composite catalytic oxidation processing used water difficult to degradate system |
-
2017
- 2017-12-15 CN CN201721747075.1U patent/CN208151130U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973457A (en) * | 2017-12-15 | 2018-05-01 | 西安泰金工业电化学技术有限公司 | A kind of processing unit and method of electrocatalytic oxidation used water difficult to degradate |
| CN109516529A (en) * | 2018-12-25 | 2019-03-26 | 西安泰金工业电化学技术有限公司 | Electrocatalysis oxidation apparatus, coal chemical industry enterprises wastewater zero discharge system and technique |
| CN109879399A (en) * | 2019-02-13 | 2019-06-14 | 连云港辐射环境监测管理站 | A kind of composite catalytic oxidation processing used water difficult to degradate system |
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Address after: 710299 No. 15, west section of Xijin Road, Jingwei Industrial Park, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Taijin Xinneng Technology Co.,Ltd. Address before: 710201 Taijin Company, No. 15, West Section of Xijin Road, Jingwei Industrial Park, Xi'an City, Shaanxi Province Patentee before: XI'AN TAIJIN INDUSTRIAL ELECTROCHEMICAL TECHNOLOGY Co.,Ltd. |
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