CN103112928A - Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof - Google Patents
Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof Download PDFInfo
- Publication number
- CN103112928A CN103112928A CN2013100829636A CN201310082963A CN103112928A CN 103112928 A CN103112928 A CN 103112928A CN 2013100829636 A CN2013100829636 A CN 2013100829636A CN 201310082963 A CN201310082963 A CN 201310082963A CN 103112928 A CN103112928 A CN 103112928A
- Authority
- CN
- China
- Prior art keywords
- pole plate
- insoluble
- solubility
- heavy metal
- arrangement system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention belongs to the field of electrochemical treatment equipment, and particularly relates to a polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and an application method thereof. The system comprises multiple soluble polar plates (7) arranged in a reactor tank body (1) and at least two insoluble polar plates (5) arranged in parallel to the soluble polar plates (7), wherein the soluble polar plates (7) are arranged below the liquid level in the tank, and the insoluble polar plates (5) are higher than the liquid level in the tank; the part of each insoluble polar plate (5) higher than the liquid level in the tank is connected with the anode or cathode of a power supply (8) through a connection copper plate (6); and the contact between each insoluble polar plate (5) and the connection copper plate (6) is sealed. By adopting the polar plate arrangement system, the consumption of polar plate is reduced, the utilization rate of polar plate is improved, the replacement process of polar plate is simplified, the number of connection copper plate is reduced, and the equipment cost is lowered.
Description
Technical field
The invention belongs to the electrochemical processing apparatus field, be specifically related to pole plate layout and annexation and using method in electrochemical processing apparatus.
Background technology
be used at present the electrochemical reaction apparatus of heavy metal containing wastewater treatment generally all take electric flocculating principles as main, in treatment facility, pole plate used is commonly the solubility pole plate (take the iron aluminum substrate as main, wherein the iron pole plate should be more general, mainly because the iron pole plate is drawn materials conveniently, cost is low, process simple etc.), this is need to utilize solubility pole plate stripping polyvalent metal ion under the effect of electric field to form little flocculation agent because of the processing to heavy metal wastewater thereby, on the one hand to heavy metal ion flocculate catch fixing, effect by flocculating settling realizes mud-water separation on the other hand.And the power supply that generally adopts in engineering output is all large current low voltage, because this electric power output voltage belongs to safety voltage, simultaneously large current low voltage (be generally voltage lower than the 36v electric current higher than 5000A) output treatment effect meets the demands.But due to outward current large (greater than 5000A), power supply generally needs to adopt a large amount of bronze medals directly to be connected with the solubility pole plate.CN201010300368.1 discloses a kind of electrochemical reactor, comprises the cell body of a cubic, and in cell body, the in the vertical direction parallel rows is shown some pole plates; The cell body bottom is provided with water-in, and the top is provided with water outlet; It is characterized in that: the length of cell body and the ratio of height are 1: between 2.5-20, and the length of the length of pole plate, height and cell body, highly identical.
Present this pole plate is connected to and has more problem in practical engineering application, is mainly manifested in the following aspects:
1, because the solubility pole plate directly is connected with bronze medal, in the situation that the power supply energising, particularly under large current condition, the solubility pole plate very easily generates oxide compound in the junction with bronze medal, has caused the resistance of junction to increase, and electric energy loss increases; In addition, oxide shedding also may cause the junction to become flexible and loose contact, and then has influence on the overall performance of equipment, and processing efficiency decreases.
2, in use thermal value is large because electric power outputting current has caused greatly the connection bronze medal, consumes energy higher; In order to reduce the thermal value that connects bronze medal, generally all adopt the bronze medal of larger specification, cause equipment cost to increase.
3, because the solubility pole plate directly is connected with power supply, need in the pole plate Renewal process each piece pole plate all is connected with power supply again, therefore change the pole plate process loaded down with trivial details, waste time and energy.To change idle time long because of pole plate for equipment, reduced the utilization ratio of equipment.
4, the junction of pole plate and bronze medal must be more than liquid level, thereby suitable a part of pole plate must be arranged more than liquid level and can not participate in electrochemical reaction, and this part pole plate can not be effectively utilized.
Summary of the invention
The present invention is intended to solve the problem that aforesaid device exists in actual applications, provides a kind of structure more excellent pole plate arrangement system.Can reduce the consumption of pole plate by this pole plate arrangement system, improve the utilization ratio of pole plate, simplify the Renewal process of pole plate, reduce the quantity that connects copper coin, reduce equipment cost.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus comprises some solubility pole plates that are placed in the reactor cell body, also comprises at least two insoluble pole plates that are arranged in parallel with the solubility pole plate; Described solubility pole plate is arranged in below the interior liquid level of groove, and insoluble pole plate all exceeds liquid level in groove; The part that insoluble pole plate exceeds liquid level in groove is connected with the negative or positive electrode of power supply by connecting bronze medal; And insoluble pole plate and the contact position sealing that is connected bronze medal.
Described insoluble pole plate preferred arrangements perhaps is uniformly distributed between the solubility pole plate in the outside of solubility pole plate.
Described power supply is preferably voltage between DC0V-± 300V, and the power supply of electric current between DC0A-800A, regularly commutation of power supply output.High frequency switch power more preferably is so long as the power supply that can make insoluble pole plate in cell body form the direct current flat field in the energising situation all can.Described insoluble pole plate is tabular, form flat field (being similar to capacitance principle) in galvanic situation passing to, the electric field intermediate medium is that conductive pending waste water and solubility pole plate distribute alternately, form uniform current between two insoluble pole plates, thereby realize the even distribution to insoluble pole plate; According to processing needs, the quantity of the insoluble pole plate of adjustment and spacing are to guarantee the optimum handling effect.
Described solubility pole plate is preferably iron pole plate or aluminum substrate.
Described insoluble pole plate is preferably graphite electrode plate or titanium pole plate.
The using method of above-mentioned pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus, the way of output of power supply is constant current, controls electric current between 30A-700A.The size of electric current is controlled according to wastewater flow rate and water quality situation, and general small-sized pilot plant test is as long as control electric current between 30A-100A, and large-scale industrial applications current requirements is higher, is advisable between 100A-700A.
Below the present invention will be further explained:
1, adopt solubility pole plate and insoluble pole plate mixed-arrangement, wherein carry out the electrochemical reaction processing take the solubility pole plate as main, insoluble pole plate is auxiliary the solubility pole plate to be carried out distribution; The solubility pole plate directly is not connected with power supply, and insoluble pole plate is connected with bronze medal with power acquisition, makes the solubility pole plate become induction electrode (pole plate both sides be respectively positive pole and negative pole) by electric field induction waste water is processed.
2, the material of solubility pole plate is iron or aluminium, is mainly to adopt the iron pole plate, and cost is low, easily processing.
3, insoluble pole plate material is graphite or titanium; Also can adopt other good conductivity, substantially nonexpendable material in electrochemical reaction process; Perhaps the solubility pole plate being carried out surface modification well and not consumes its surface conduction performance.
4, adopt the high stream power supply that forces down, reduce electric power outputting current, reduce the heating consumption of bronze medal; Insoluble pole plate and bronze medal junction employing encapsulation process are protected, and guarantee the good contact of junction.
5, solubility pole plate size is changed design, on the one hand it all is immersed in liquid, guarantee that all solubility pole plates all effectively participate in electrochemical reaction; The solubility pole plate can freely be dismantled, simplify the Renewal process of pole plate.
Compare with the electrochemical processing apparatus that the industry is equal, advantage of the present invention is:
(1) only have insoluble pole plate to be connected with bronze medal, insoluble pole plate does not consume, and does not need periodic replacement; Encapsulation process can be adopted in the junction, thereby the junction is difficult for producing oxide compound, can not become flexible easily, has guaranteed pole plate and good being connected of bronze medal, reduces to a certain extent energy consumption, improves the stability of equipment.
(2) adopt low current, High-Voltage Technology effectively reduces the heating loss of electric energy on bronze medal.This mode of connection cooperation low current High-Voltage Technology can reduce to connect specification and the quantity of bronze medal, reduces the cost of equipment.
(3) because the pole plate that connects power supply is insoluble pole plate, do not need frequent replacing, and the solubility pole plate that needs to change only need to be inserted into simply in the pole plate groove, therefore can simplify the pole plate Renewal process, greatly shorten pole plate and changed the required time, improved the overall utilization rate of equipment.
(4) the solubility pole plate all is immersed in below liquid level, and all parts of pole plate all can effectively participate in electrochemical reaction process; Adopt simultaneously insoluble pole plate to the even distribution of solubility pole plate, guaranteed the homogeneity that pole plate consumes, thereby the pole plate utilization ratio is improved, the pole plate waste obviously reduces.
Description of drawings
Fig. 1 is the electrochemical processing apparatus schematic top plan view of having used the application's pole plate arrangement system;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is the partial enlarged drawing of the A position of Fig. 2;
Wherein, 1-reactor cell body; The 2-effluent trough; The 3-water inlet pipe; The 4-rising pipe; The insoluble pole plate of 5-; 6-connects bronze medal; 7-solubility pole plate; The 8-power supply; A represents the local position of amplifying.
Embodiment
The present invention is described further below in conjunction with drawings and Examples.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus comprises some solubility pole plates 7 that are placed in reactor cell body 1, also comprises at least two insoluble pole plates 5 that are arranged in parallel with solubility pole plate 7; Described solubility pole plate 7 is arranged in below the interior liquid level of groove, and insoluble pole plate 5 all exceeds liquid level in groove; The part that insoluble pole plate 5 exceeds liquid level in groove is connected with the negative or positive electrode of power supply 8 by connecting bronze medal 6; And insoluble pole plate 5 and the contact position sealing that is connected bronze medal 6.
Described power supply 8 be voltage between DC0V-± 300V, and the high frequency switch power of electric current between DC0A-800A.Described solubility pole plate 7 is iron pole plate or aluminum substrate.Described insoluble pole plate 5 is graphite electrode plate or titanium pole plate.
When solubility pole plate 7 needs to change, only need that new solubility pole plate is simply inserted the pole plate groove and get final product, every solubility pole plate 7 all need not be connected with power supply, reduced greatly the 7 replacing times of pole plate.
With the described mode of connection of implementation column 1, certain small chemical industry copper-containing wastewater electrochemical processing apparatus is transformed.The original design treatment capacity of this sewage treatment equipment is 20m
3/ h, mainly processing pollutent is copper, lead and zinc, and original treatment facility adopts the solubility pole plate directly to be connected with bronze medal with power acquisition, and the electric power outputting current of employing is large, and the pole plate of employing is the iron pole plate; Original equipment is in operational process: pole plate and the very easily corrosion of bronze medal junction, loosening (the maintenance rate is high), and bronze medal thermal value large (loss is large) connects the bronze medal consumption large, and the pole plate effective rate of utilization is not high, and pole plate is changed the length that expends time in.Transform by the present invention, power acquisition high-voltage, the low current way of output, the solubility plate material is iron, insoluble plate material is graphite.After transformation, sewage treatment equipment is significantly improved, and controls current constant during use in the DC280A left and right, carries out regularly checking adjusting according to the variation of plant area's water yield.Before and after transformation to such as table 1:
Comparative analysis table before and after table 1 transformation
Annotate: in table 1, partial data is the average of operation statistics half a year before and after scrap build.
Reach " copper, nickel, cobalt emission of industrial pollutants standard " GB 25467-2010 by transformation aftertreatment stable water outlet.Through operation in a year, except changing pole plate, the few shutdown overhauled, and system's treatment effect is stable, and running status is good, and after transformation, the device processes effect sees Table 2.
Device processes effect after table 2 transformation
Unit: mg/L
Annotate: in table 2, data are the mean value that scrap build operation later six months detects data.
Claims (6)
1. pole plate arrangement system that is used for the heavy metal wastewater thereby electrochemical processing apparatus, comprise the some solubility pole plates (7) that are placed in reactor cell body (1), it is characterized in that, also comprise at least two insoluble pole plates (5) that are arranged in parallel with solubility pole plate (7); Described solubility pole plate (7) is arranged in below the interior liquid level of groove, and insoluble pole plate (5) all exceeds liquid level in groove; The part that insoluble pole plate (5) exceeds liquid level in groove is connected with the negative or positive electrode of power supply (8) by connecting bronze medal (6); And insoluble pole plate (5) and the contact position sealing that is connected bronze medal (6).
2. be used for according to claim 1 the pole plate arrangement system of heavy metal wastewater thereby electrochemical processing apparatus, it is characterized in that, described insoluble pole plate (5) is arranged in the outside of solubility pole plate (7), perhaps is uniformly distributed between solubility pole plate (7).
3. described pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus according to claim 1 and 2, is characterized in that, described power supply (8) be output voltage between DC 0V-± 300V, and the power supply of outward current between DC 0A-800A.
4. described pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus according to claim 1 and 2, is characterized in that, described solubility pole plate (7) is iron pole plate or aluminum substrate.
5. described pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus according to claim 1 and 2, is characterized in that, described insoluble pole plate (5) is graphite electrode plate or titanium pole plate.
6. the using method of the described pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus of one of claim 1-5, is characterized in that, power supply is constant current output, controls electric current between 30A-700A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100829636A CN103112928A (en) | 2013-03-15 | 2013-03-15 | Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100829636A CN103112928A (en) | 2013-03-15 | 2013-03-15 | Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103112928A true CN103112928A (en) | 2013-05-22 |
Family
ID=48411339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100829636A Pending CN103112928A (en) | 2013-03-15 | 2013-03-15 | Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103112928A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435133A (en) * | 2013-09-12 | 2013-12-11 | 苏州大学 | Waste water treatment system |
| CN104803452A (en) * | 2015-04-09 | 2015-07-29 | 长沙华时捷环保科技发展有限公司 | Automatic control method for electrochemistry heavy metal sewage treatment system |
| CN111217428A (en) * | 2020-03-11 | 2020-06-02 | 上海荷塘环保科技有限公司 | Electrode group arrangement connecting structure combining electric flocculation and electrode scale absorption |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642897A (en) * | 2012-05-09 | 2012-08-22 | 中国水电顾问集团中南勘测设计研究院 | Electrochemical treatment equipment for treating heavy metal wastewater |
| CN102642896A (en) * | 2012-05-09 | 2012-08-22 | 中国水电顾问集团中南勘测设计研究院 | Electrochemical treatment device for sewage and wastewater treatment |
| CN202542926U (en) * | 2012-05-09 | 2012-11-21 | 中国水电顾问集团中南勘测设计研究院 | Electrochemical treatment equipment for sewage and wastewater treatment |
| CN202576052U (en) * | 2012-05-09 | 2012-12-05 | 中国水电顾问集团中南勘测设计研究院 | Electrochemical treatment device for treating heavy metal waste water |
| CN203112556U (en) * | 2013-03-15 | 2013-08-07 | 中国水电顾问集团中南勘测设计研究院 | Polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater |
-
2013
- 2013-03-15 CN CN2013100829636A patent/CN103112928A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642897A (en) * | 2012-05-09 | 2012-08-22 | 中国水电顾问集团中南勘测设计研究院 | Electrochemical treatment equipment for treating heavy metal wastewater |
| CN102642896A (en) * | 2012-05-09 | 2012-08-22 | 中国水电顾问集团中南勘测设计研究院 | Electrochemical treatment device for sewage and wastewater treatment |
| CN202542926U (en) * | 2012-05-09 | 2012-11-21 | 中国水电顾问集团中南勘测设计研究院 | Electrochemical treatment equipment for sewage and wastewater treatment |
| CN202576052U (en) * | 2012-05-09 | 2012-12-05 | 中国水电顾问集团中南勘测设计研究院 | Electrochemical treatment device for treating heavy metal waste water |
| CN203112556U (en) * | 2013-03-15 | 2013-08-07 | 中国水电顾问集团中南勘测设计研究院 | Polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435133A (en) * | 2013-09-12 | 2013-12-11 | 苏州大学 | Waste water treatment system |
| CN103435133B (en) * | 2013-09-12 | 2015-07-15 | 苏州大学 | Waste water treatment system |
| CN104803452A (en) * | 2015-04-09 | 2015-07-29 | 长沙华时捷环保科技发展有限公司 | Automatic control method for electrochemistry heavy metal sewage treatment system |
| CN104803452B (en) * | 2015-04-09 | 2016-09-14 | 长沙华时捷环保科技发展股份有限公司 | A kind of autocontrol method for electrochemical heavy metals sewage disposal system |
| CN111217428A (en) * | 2020-03-11 | 2020-06-02 | 上海荷塘环保科技有限公司 | Electrode group arrangement connecting structure combining electric flocculation and electrode scale absorption |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103663634B (en) | A kind of Waste Water Treatment adopting Based on Three-dimensional Electrode Method | |
| CN203112556U (en) | Polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater | |
| CN100384752C (en) | Three-dimensional electrode reactor for treating hard-degradeable organic waste water | |
| CN103112928A (en) | Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof | |
| CN110980891B (en) | Tower type electric flocculation water treatment device | |
| CN108622986A (en) | A kind of waveform electrochemistry sewage disposal system | |
| CN203946929U (en) | A kind of wave pole plate for heavy metal wastewater thereby electrochemical processing apparatus | |
| CN206219686U (en) | A kind of alkaline etching liquid electrolysis carries copper system system | |
| CN205367828U (en) | Novel durable electricity flocculation device | |
| CN209797550U (en) | electrolysis-micro-electrolysis composite sewage purifier | |
| CN203411372U (en) | Turning flow type electrochemical reactor | |
| CN108249529A (en) | A kind of electric flocculation dephosphorization apparatus | |
| CN211005647U (en) | Electrolytic cell with self-temperature-adjusting function and electrolytic device | |
| CN203866076U (en) | Complex-breaking and chromium-removing device for tanning dyeing wastewater | |
| CN103408106B (en) | One seethes flowing-type electrochemical reactor | |
| CN209210449U (en) | A kind of electrode assembly being electrolysed dephosphorization water treatment facilities | |
| CN113668017A (en) | High-purity indium apparatus for producing | |
| CN202542926U (en) | Electrochemical treatment equipment for sewage and wastewater treatment | |
| CN203639207U (en) | Electrode structure and electrolytic reaction tank | |
| CN211004700U (en) | Compact integrated form electrochemistry sewage treatment device | |
| CN201873760U (en) | Device for recovering metallic nickel ion in electroplating wastewater | |
| CN206173058U (en) | Simultaneous processing electroplating effluent and organic waste water's pulse electrolysis electrolytic flocculation device | |
| CN203932213U (en) | A kind of fuel cell | |
| CN111762849A (en) | Method and device for reducing energy consumption of electrochemical water treatment | |
| CN213569651U (en) | Three-dimensional electric flocculation reactor for wastewater treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130522 |