CN106044958A - Multi-stage serial connection spherical particle active electrode reaction device - Google Patents
Multi-stage serial connection spherical particle active electrode reaction device Download PDFInfo
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- CN106044958A CN106044958A CN201610451989.7A CN201610451989A CN106044958A CN 106044958 A CN106044958 A CN 106044958A CN 201610451989 A CN201610451989 A CN 201610451989A CN 106044958 A CN106044958 A CN 106044958A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
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Abstract
The invention provides a multi-stage serial connection spherical particle active electrode reaction device, which comprises an insulated reaction device case, wherein the top of the reaction device case is provided with an exhaust pipe and a water outlet pipe; the bottom of the reaction device case is provided with a mud collecting hopper; the bottom of the mud collecting hopper is provided with a water inlet pipe and a mud discharging pipe; a set of multi-stage serial connection spherical particle active electrode reaction system is fixed inside the reaction device through a positioning pin, and comprises spherical particle active electrodes in A row, B lines and C layers; the spherical particle active electrode carriers are spherical titanium metal spheres; a composite noble metal oxide coating is coated at the outer layer; three hole passages which pass through sphere cores and are mutually vertical are formed in the middle; a positioning insulation plastic rod respectively passes through each hole passage; A*B*C particle electrodes are fixed into A rows, B lines and C layers with equal distances, wherein the first spherical particle active electrodes are connected with a positive electrode of an external direct current power supply; the (A*B*C)-th spherical particle active electrode is connected with a negative electrode of the external direct current power supply; the current is enabled to flow through all spherical particle active electrodes.
Description
Technical field
The present invention is a kind of plural serial stage spheroidal particle active electrode reaction unit, it is adaptable to process industry difficult degradation organic
Waste water, belongs to environmental engineering speciality field.
Background technology
In recent years, along with National Industrial and expanding economy, many containing being difficult to biodegradable poisonous and harmful substance
Waste water constantly enters environment, knows clearly the biggest harm to industrial and agricultural production, people's lives and health band, in this background
Under, the standard of national requirements discharge of wastewater is increasingly stricter, and many up to standard of used water difficult to degradate are treated as in field of Environment Protection
Difficulties.
And on the other hand, electro-catalytic oxidation technology has been successfully applied in high salt as a kind of brand-new high-level oxidation technology
In wastewater treatment industry, electro-catalysis technology is a kind of to rely on applying direct current to produce the one of strong oxidizer on active catalytic anode
Planting novel advanced oxidation processes, cardinal principle is by applying bias-voltage on the working electrode (s, thus in electrode and active catalytic
A potential gradient is formed, it is possible to promote that the electronics in active catalytic coating and hole are moved in the opposite direction between coating,
Suppress the compound of them such that it is able to direct oxidation is attached to the Organic substance on anode, or by generating ClO-, OH etc. strong
Oxidant reaches oxidation of organic compounds indirectly, removes the COD in water body.
Electro-catalytic oxidation technology is broadly divided into two-dimensional flat plate electrode reactor and three according to the form of used electrode at present
Dimension granule electrode reactor, wherein three dimensional particles electrode reactor is by adding granule electrode in the middle of two-dimensional flat plate electrode,
Constituting three-dimensional system, by applying DC voltage between the two-dimensional flat plate electrode of reactor both sides, granule electrode can be felt in the electric field
Bear some small galvanic elements to COD in water body of degrading.Three dimensional particles electrode more options granular active carbon or particle DSA anode
Mixing according to a certain percentage with insulating ceramics, the effect of insulating ceramics is to maintain granular active carbon or particle DSA anode is tried one's best
Few contact.Its drawback is that the as easy as rolling off a log fouling of granule electrode is hardened, and owing to inevitably existing mutually between granule electrode
Contact phenomena, therefore some electric current total is run off by the granule electrode contacted with each other, and is commonly called as short circuit current, thus reduces
Current utilization efficiency.The most whether two-dimensional flat plate electrode reactor or three dimensional particles electrode reactor, itself and external dc
What power supply connected is all outermost plate electrode, and owing to plate electrode area is relatively big, and electrode spacing is less, is therefore keeping
Being necessary for using big electric current small voltage pattern while certain electric current density, its working voltage typically can be between 5-380V.And
Electric current is the biggest, and its heat waste caused is the biggest, and this also reduce further the current utilization efficiency in course of reaction.
Summary of the invention
The technical problem to be solved is the problem overcoming prior art to exist, and a kind of plural serial stage of design is spherical
Particle active electrode reaction unit, processes effect in order to solve conventional two-dimensional plate electrode reactor and three dimensional particles electrode reactor
The difficult problems such as rate is low, energy consumption greatly, easily hardens.
The invention provides a kind of plural serial stage spheroidal particle active electrode reaction unit, this reaction unit includes insulation
Reactor assembly shell, reaction unit cover top portion is provided with exhaustor and outlet pipe；The bottom of described reaction unit shell sets
It is equipped with sludge hopper, water inlet pipe and discharge pipeline are set bottom sludge hopper；Described reaction unit inside is fixed with a set of by alignment pin
Plural serial stage spheroidal particle active electrode response system, this plural serial stage spheroidal particle active electrode response system comprises A row B row
C layer spheroidal particle active electrode；Described spheroidal particle active electrode carrier is spherical titanium metal ball, outer layer coating IrO2、RuO2Multiple
Closing precious metal oxide coating, centre has three to cross the centre of sphere and orthogonal duct, is installed with location respectively absolutely in every duct
Edge sticking plaster, by location insulated plastic charge bar, is fixed into equidistant A row B row C layer by A × B × C granule electrode, and location is absolutely
Edge sticking plaster effect be make any one granule electrode and its keep same distance up and down between four adjacent electrodes and ensure
It is not in contact with each other, wherein the positive pole of first spheroidal particle active electrode connection external dc power supply, A × B × C spheroidal particle
Active electrode connects the negative pole of external dc power supply, it is ensured that electric current can flow through all of spheroidal particle active electrode.
A kind of plural serial stage spheroidal particle active electrode reaction unit of the present invention is cuboid, and enclosure material is
The materials such as PPR or PVDF, make reactor possess good insulation, high temperature resistant, decay resistance.
A kind of plural serial stage spheroidal particle active electrode reaction unit of the present invention, described spheroidal particle activity electricity
Pole sphere diameter is between 1-5cm, and adjacent two spheroidal particle active electrode spacings are 0.1-5cm, and have three by its centre of sphere
Orthogonal duct, channel diameter is the 1/5-1/2 of spheroidal particle active electrode sphere diameter；Described location insulated plastic used
Charge bar material is PVDF, and the 1/3 of the middle channel diameter of its a diameter of spheroidal particle active electrode.
A kind of plural serial stage spheroidal particle active electrode reaction unit of the present invention, this plural serial stage spheroidal particle is lived
Property electrode reaction system comprises A row B row C layer spheroidal particle active electrode, wherein A >=10, B >=10, C >=10.
A kind of plural serial stage spheroidal particle active electrode reaction unit of the present invention is at the depth of used water difficult to degradate
The application of reason, applied voltage >=2000V when properly functioning.
A kind of plural serial stage spheroidal particle active electrode reaction unit that the present invention relates to and conventional two-dimensional plate electrode are anti-
Answer device and three dimensional particles electrode reactor to compare, have the advantages that
1, working voltage is big, and running current is little, on the premise of ensureing general power inconvenience, greatly reduces owing to electric current is made
The heat waste power become, thus reduce ton water and process energy consumption.
2, the distance between the granule electrode that any one granule electrode is adjacent is the most identical and will not contact, it is to avoid by
Contact with each other between granule electrode caused short circuit current, thus improves current utilization efficiency, reduces ton water and processes energy
Consumption.
3, do not contact due to any one granule electrode, therefore during device long-play, do not result in conventional three-dimensional electricity
The filler that pole reactor is frequently encountered by hardens.Degradation problem under efficiency, contributes to the long-time steady operation of device.
4, electricity that is the same due to any two adjacent spheroidal particle active electrode spacing, that therefore flow through on each electrode
Flowing identical, the service life of all electrodes is basically identical, it is to avoid conventional three-dimensional granule electrode reactor holds due to granule electrode
Length is had the service life caused by the difference of electric current density to have short drawback.
5 compare with conventional two-dimensional, three-dimensional electrocatalysis oxidation reaction device, owing to this plant running electric current is little, therefore without
The cable using model excessive connects power supply and device, the cost of economy system.
Accompanying drawing explanation
Fig. 1 is a kind of plural serial stage spheroidal particle active electrode reaction unit contour structures schematic diagram；
Fig. 2 is a kind of plural serial stage spheroidal particle active electrode reaction unit internal structure schematic diagram；
Fig. 3 is the device internal multi-stage series connection spheroidal particle active electrode response system structural representation shown in Fig. 2；
Fig. 4 is spheroidal particle active electrode cross-sectional view.
In figure,
1 for reaction unit shell 10 be the 1st spheric active granule electrode
2 be exhaustor 11 be spheric active granule electrode
3 is that outlet pipe 12 positions insulated plastic charge bar for PVDF
4 be electrode terminal 13 be alignment pin
5 for support 14 be A × B × C spheroidal particle active electrode
6 is sludge hopper
7 be water inlet pipe 15 be spheroidal particle active electrode coating
8 is that plural serial stage spheroidal particle activity electricity 16 is for duct
Pole response system 17 is spheric active granule electrode carrier
9 is discharge pipeline
Detailed description of the invention
Below in conjunction with the accompanying drawings and concrete Application Example the invention will be further described, specific embodiment is not to the present invention
Technical scheme constitute limit.
As Figure 1-4, plural serial stage spheroidal particle active electrode reaction unit of the present invention relies on support 5 to support, reaction
Crust of the device 1 uses the good insulating such as PPR or PVDF, material corrosion-resistant, high temperature resistant, and bottom of device is sludge hopper 6, sludge hopper 6
Water inlet pipe 7 and discharge pipeline 9 are arranged at bottom, and wherein water inlet pipe 7 is connected with inlet channel, and discharge pipeline 9 is connected with spoil disposal pipeline, instead
Answering device top to be provided with exhaustor 2 and outlet pipe 3, exhaustor 2 is directly connected with air, outlet pipe 3 and outlet conduit phase
Connect.Comprise a set of plural serial stage spheroidal particle active electrode response system 8 inside device, rely on alignment pin 13 to be fixed on reaction
Inside device, this plural serial stage spheroidal particle active electrode response system 8 comprises A row B row C layer spheroidal particle active electrode 11,
Spheroidal particle active electrode sphere diameter is between 1-5cm, and spheroidal particle active electrode carrier 17 is spherical titanium metal ball, spheroidal particle
Active electrode coating 15 is IrO2、RuO2Deng composite noble metal oxide coating, there are three orthogonal holes crossing the centre of sphere centre
Road 16, the 1/5 of duct 16 a diameter of spheroidal particle active electrode sphere diameter, every duct 16 is installed with 1 PVDF location respectively absolutely
Edge sticking plaster 12, the 1/3 of its a diameter of spheroidal particle active electrode middle duct 16 diameter, position insulated plastic charge bar by PVDF
12, A × B × C spheroidal particle active electrode 11 is worn into equidistant A row B row C layer, wherein A >=10, B >=10, C >=10,
Insulated plastic charge bar 12 effect of PVDF location is to make to keep between any one granule electrode with its up and down four adjacent electrodes phase
Same distance also ensures the most short-circuit, and adjacent two interelectrode distances are 0.1-5cm, wherein first spheroidal particle active electrode 10
Connected the positive pole of power supply by electrode terminal 4, A × B × C spheroidal particle active electrode 14 is by electrode terminal 4 even
Connect the negative pole of power supply, it is ensured that electric current can flow through all of spheroidal particle active electrode 11, applied voltage when device is properly functioning
≥2000V。
Instantiation one:
Petro-chemical corporation of Hebei province is complicated due to the oil product refined, and causes producing in waste water containing a large amount of difficult for biological degradation
Material, this waste water COD after biochemical treatment is about 80mg/L, it is impossible to reach relevant Chinese effluent standard.Use multistage string
Connection spheroidal particle active electrode reaction unit has carried out engineering Application Research to the advanced treating of the said firm's bio-chemical effluent, and result shows
Show when working voltage is 36000V, and running current is 10mA, and hydraulic detention time is 30min, water outlet COD≤60mg/L, water outlet
Meeting qualified discharge water quality requirement, now current efficiency is 55%, compared with conventional two-dimensional electrolysis installation, at treatment effect
Under conditions of constant, ton water power consumption about reduces 0.9kw.h electric energy.
Instantiation two:
Tianjin factory medicament waste water is after biochemical treatment, for realizing waste water near-zero release, uses the double film system of filtration-reverse osmosis
System reuse part bio-chemical effluent, can produce a certain amount of concentrated solution after dual membrane system processes, and this concentrated solution COD is about 90mg/L,
Electrical conductivity is about 1000-5000 μ s/cm, Cl-Content is about 700-900mg/L, and this concentrated solution is because discharge capacity is little, contents is blamed
With features such as biochemical degradations, biochemical process should not be again with and process.Use plural serial stage spheroidal particle active electrode reaction unit
After process, when working voltage is 50000V, and running current is 10-15mA, and in reactor, hydraulic detention time is 30min, water outlet
COD≤50mg/L, meets qualified discharge water quality requirement, and now current efficiency is 67%, compared with conventional three-dimensional electrolysis installation
Relatively, process ton water and save 0.5kw.h electric energy.
Claims (5)
1. a plural serial stage spheroidal particle active electrode reaction unit, it is characterised in that described reaction unit includes insulation
Reactor assembly shell, reaction unit cover top portion is provided with exhaustor and outlet pipe；The bottom of described reaction unit shell
It is provided with sludge hopper, water inlet pipe and discharge pipeline are set bottom sludge hopper；Described reaction unit is internal is fixed with one by alignment pin
Set plural serial stage spheroidal particle active electrode response system, this plural serial stage spheroidal particle active electrode response system comprises A row B
Row C layer spheroidal particle active electrode；Described spheroidal particle active electrode carrier is spherical titanium metal ball, outer layer coating IrO2、RuO2
Composite noble metal oxide coating, centre has three to cross the centre of sphere and orthogonal duct, is installed with location in every duct respectively
Insulated plastic charge bar, by location insulated plastic charge bar, is fixed into equidistant A row B row C layer by A × B × C granule electrode, and logical
Cross location insulated plastic charge bar make any one granule electrode and its keep same distance up and down between four adjacent electrodes and protect
Card is not in contact with each other, wherein the positive pole of first spheroidal particle active electrode connection external dc power supply, A × B × C spherical grain
Sub-active electrode connects the negative pole of external dc power supply, it is ensured that electric current can flow through all of spheroidal particle active electrode.
A kind of plural serial stage spheroidal particle active electrode reaction unit the most according to claim 1, it is characterised in that described
Reaction unit shell is cuboid, and material is PPR or PVDF.
A kind of plural serial stage spheroidal particle active electrode reaction unit the most according to claim 1, it is characterised in that described
Spheroidal particle active electrode sphere diameter be between 1-5cm, adjacent two spheroidal particle active electrode spacings are 0.1-5cm, and
Having three orthogonal ducts by its centre of sphere, channel diameter is the 1/5-1/2 of spheroidal particle active electrode sphere diameter；Described
Location ambroin bar matter used is PVDF, and the 1/3 of the middle channel diameter of its a diameter of spheroidal particle active electrode.
A kind of plural serial stage spheroidal particle active electrode reaction unit the most according to claim 1, it is characterised in that described
Plural serial stage spheroidal particle active electrode response system comprises A row B row C layer spheroidal particle active electrode, wherein A >=10, and B >=
10, C >=10.
5. the plural serial stage spheroidal particle active electrode reaction unit described in a claim 1 is at the depth of used water difficult to degradate
Reason application, it is characterised in that described plural serial stage spheroidal particle active electrode reaction unit when properly functioning outside power up
Pressure >=2000V.
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| CN201610451989.7A CN106044958B (en) | 2016-06-17 | 2016-06-17 | A kind of plural serial stage spheroidal particle active electrode reaction unit |
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| CN201610451989.7A CN106044958B (en) | 2016-06-17 | 2016-06-17 | A kind of plural serial stage spheroidal particle active electrode reaction unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747489A (en) * | 2020-08-12 | 2020-10-09 | 中国石油化工股份有限公司 | Electrochemical reactor and wastewater treatment device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145185A (en) * | 1979-04-26 | 1980-11-12 | Nanao Kogyo Kk | Reaction apparats for electrolysis |
| CN102336455A (en) * | 2011-09-02 | 2012-02-01 | 浙江大学 | Electrochemical degradation device in modularized serial connection |
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2016
- 2016-06-17 CN CN201610451989.7A patent/CN106044958B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145185A (en) * | 1979-04-26 | 1980-11-12 | Nanao Kogyo Kk | Reaction apparats for electrolysis |
| CN102336455A (en) * | 2011-09-02 | 2012-02-01 | 浙江大学 | Electrochemical degradation device in modularized serial connection |
Non-Patent Citations (2)
| Title |
|---|
| 姜辉等: "三维电极处理氨氮废水的电化学反应特性", 《中国环境科学》 * |
| 陈武等: "《环境污染治理的电化学技术》", 31 March 2013, 石油工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747489A (en) * | 2020-08-12 | 2020-10-09 | 中国石油化工股份有限公司 | Electrochemical reactor and wastewater treatment device |
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