CN203112556U - Polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater - Google Patents
Polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater Download PDFInfo
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- CN203112556U CN203112556U CN 201320118282 CN201320118282U CN203112556U CN 203112556 U CN203112556 U CN 203112556U CN 201320118282 CN201320118282 CN 201320118282 CN 201320118282 U CN201320118282 U CN 201320118282U CN 203112556 U CN203112556 U CN 203112556U
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Abstract
The utility model belongs to the field of electrochemical treatment equipment and particularly relates to a polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater. The system comprises a plurality of soluble polar plates (7) which are placed in a reactor groove body (1) and further comprises at least two insoluble polar plates (5) which are arranged in a manner of being parallel to the soluble polar plates (7); the soluble polar plates (7) are all arranged below a liquid level in a groove, and the insoluble polar plates (5) are all higher than the liquid level in the groove; the parts, which are higher than the liquid level in the groove, of the insoluble polar plates (5) are connected with an anode or a cathode of a power supply (8) through connection copper boards (6); and contact parts of the insoluble polar plates (5) and the connection copper boards (6) are sealed. According to the polar plate arranging system disclosed by the utility model, the consumption of the polar plates can be reduced and the utilization rate of the polar plates is improved; a replacing process of the polar plates is simplified and the quantity of the connection copper boards is reduced; and the cost of equipment is reduced.
Description
Technical field
The utility model belongs to the electrochemical processing apparatus field, and the pole plate that is specifically related in the electrochemical processing apparatus is arranged and annexation.
Background technology
Be used for the electrochemical reaction apparatus of heavy metal containing wastewater treatment at present generally all based on electricity flocculation principle, used pole plate is commonly the solubility pole plate (based on the iron aluminum substrate in the treatment facility, wherein the iron pole plate should be more general, mainly be because the iron pole plate is drawn materials conveniently, cost is low, process simple etc.), this is need utilize solubility pole plate stripping polyvalent metal ion under effect of electric field to form little flocculation agent because of the processing to heavy metal wastewater thereby, on the one hand heavy metal ion is flocculated and catch fixingly, the effect by flocculating settling realizes mud-water separation on the other hand.And the power supply that generally adopts in engineering output all is big current low voltage, because this electric power output voltage belongs to safety voltage, simultaneously big current low voltage (generally be voltage be lower than the 36V electric current be higher than 5000A) output treatment effect meets the demands.But because outward current big (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 the in the vertical direction parallel rows is shown some pole plates in the cell body; 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 the 2.5-20, and the length of the length of pole plate, height and cell body, highly identical.
Present this pole plate is connected and has more problem in the practical engineering application, mainly shows the following aspects:
1, because the solubility pole plate directly is connected with bronze medal, and under the situation of power supply energising, particularly under the big current condition, the solubility pole plate very easily generates oxide compound in the junction with bronze medal, caused the resistance of junction to increase, electric energy loss increases; In addition, oxide shedding also may cause the loosening and loose contact in junction, and then has influence on the overall performance of equipment, and processing efficiency decreases.
2, in use thermal value is big because electric power outputting current has caused the connection bronze medal greatly, and it is higher to consume energy; In order to reduce the thermal value that connects bronze medal, generally all adopt the bronze medal of big specification, cause equipment cost to increase.
3, because the solubility pole plate directly is connected with power supply, need in the pole plate replacing process each piece pole plate all is connected with power supply again, it is loaded down with trivial details therefore to change the pole plate process, wastes time and energy.To change idle time long because of pole plate for equipment, reduced usage 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 effectively be utilized.
The utility model content
The utility model 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 replacing 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 scheme that the utility model adopts is:
A kind of pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus comprises some solubility pole plates that place 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 the groove; The part that insoluble pole plate exceeds liquid level in the 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, power supply output commutation regularly.High frequency switch power more preferably is so long as the power supply that can make insoluble pole plate in the cell body form the direct current flat field under the energising situation all can.Described insoluble pole plate is tabular, form flat field (being similar to capacitance principle) under the 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 the two insoluble pole plates, thereby realize the even distribution to insoluble pole plate; According to handling needs, the quantity of adjusting insoluble pole plate and spacing are with assurance optimum handling effect.
Described solubility pole plate is preferably iron pole plate or aluminum substrate.
Described insoluble pole plate is preferably graphite pole plate or titanium pole plate.
Below the utility model is made further explanation:
1, adopting solubility pole plate and insoluble pole plate mixed-arrangement, serves as that the main electrochemical reaction of carrying out is handled with the solubility pole plate wherein, and insoluble pole plate is to assist the solubility pole plate is carried out distribution; The solubility pole plate directly is not connected with power supply, and insoluble pole plate adopts bronze medal to be connected with power supply, makes the solubility pole plate become induction electrode (the pole plate both sides are respectively positive pole and negative pole) by electric field induction waste water is handled.
2, the material of solubility pole plate is iron or aluminium, mainly is 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, nonexpendable substantially 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 height to force down the stream power supply, reduce electric power outputting current, reduce the heating consumption of bronze medal; Insoluble pole plate and bronze medal junction adopt encapsulation process to protect, and guarantee the good contact of junction.
5, solubility pole plate size is changed design, on the one hand it all is immersed in the liquid, guarantee that all solubility pole plates all effectively participate in the electrochemical reaction; The solubility pole plate can freely be dismantled, simplify the replacing process of pole plate.
Compare with the electrochemical processing apparatus that the industry is equal, advantage of the present utility model is:
(1) have only 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, cuts down the consumption of energy to a certain extent, 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 of connection power supply is insoluble pole plate, do not need frequent replacing, and the solubility pole plate that needs to change only need be inserted into simply in the pole plate groove, therefore can simplify pole plate and change 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 the liquid level, and all parts of pole plate all can effectively participate in the electrochemical reaction process; Adopt insoluble pole plate to give the even distribution of solubility pole plate simultaneously, 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
Below in conjunction with drawings and Examples the utility model is described further.
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 place in the 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 the groove; The part that insoluble pole plate 5 exceeds liquid level in the 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 pole 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 the 7 replacing times of pole plate greatly.
Use
With implementation column 1 described mode of connection 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 handling pollutent is copper, lead and zinc, and original treatment facility adopts solubility pole plate and power supply to adopt bronze medal directly to be connected, and the electric power outputting current of employing is big, 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 (maintenance rate height), and bronze medal thermal value big (loss is big), it is big to connect the bronze medal consumption, 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 utility model, power supply adopts high-voltage, the low current way of output, and the solubility plate material is iron, and insoluble plate material is graphite.By after transforming, sewage treatment equipment is significantly improved, before and after transforming to such as table 1:
Table 1:
Comparative analysis table before and after table 1 is transformed
Annotate: partial data is the average of operation statistics half a year before and after the scrap build in the table 1.
Reach " copper, nickel, cobalt emission of industrial pollutants standard " GB 25467-2010 by transforming the aftertreatment stable water outlet.Through operation in a year, except changing pole plate, the few shutdown overhauled, the system handles effect stability, and running status is good, transforms back device processes effect and sees Table 2.
Table 2 is transformed back device processes effect
Unit: mg/L
Annotate: data detect the mean value of data in the table 2 for scrap build operation later six months.
Claims (5)
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 place in the 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 the groove; The part that insoluble pole plate (5) exceeds liquid level in the 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. according to the described pole plate arrangement system for the heavy metal wastewater thereby electrochemical processing apparatus of claim 1, it is characterized in that described insoluble pole plate (5) is arranged in the outside of solubility pole plate (7), perhaps be uniformly distributed between the solubility pole plate (7).
3. according to claim 1 or 2 described pole plate arrangement systems for the heavy metal wastewater thereby electrochemical processing apparatus, it 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. according to claim 1 or 2 described pole plate arrangement systems for the heavy metal wastewater thereby electrochemical processing apparatus, it is characterized in that described solubility pole plate (7) is iron pole plate or aluminum substrate.
5. according to claim 1 or 2 described pole plate arrangement systems for the heavy metal wastewater thereby electrochemical processing apparatus, it is characterized in that described insoluble pole plate (5) is graphite pole plate or titanium pole plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320118282 CN203112556U (en) | 2013-03-15 | 2013-03-15 | Polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320118282 CN203112556U (en) | 2013-03-15 | 2013-03-15 | Polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater |
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| CN203112556U true CN203112556U (en) | 2013-08-07 |
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| CN 201320118282 Expired - Lifetime CN203112556U (en) | 2013-03-15 | 2013-03-15 | Polar plate arranging system for electrochemical treatment equipment of heavy metal wastewater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112928A (en) * | 2013-03-15 | 2013-05-22 | 中国水电顾问集团中南勘测设计研究院 | Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof |
| CN103435133A (en) * | 2013-09-12 | 2013-12-11 | 苏州大学 | Waste water treatment system |
| CN103896371A (en) * | 2014-03-24 | 2014-07-02 | 浙江大学 | Electrochemical flocculation method and device capable of producing electricity |
| 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 |
-
2013
- 2013-03-15 CN CN 201320118282 patent/CN203112556U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112928A (en) * | 2013-03-15 | 2013-05-22 | 中国水电顾问集团中南勘测设计研究院 | Polar plate arrangement system for heavy metal wastewater electrochemical treatment equipment and application method thereof |
| 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 |
| CN103896371A (en) * | 2014-03-24 | 2014-07-02 | 浙江大学 | Electrochemical flocculation method and device capable of producing electricity |
| CN103896371B (en) * | 2014-03-24 | 2015-06-10 | 浙江大学 | Electrochemical flocculation method and device capable of producing electricity |
| 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 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION Free format text: FORMER NAME: ZHONGNAN PROSPECTING DESIGN INST. CHINA HYDRAUELECTRIC CONSULTANT GROUP Owner name: CHINA POWER GROUP ZHONGNAN INVESTIGATION DESIGN + Free format text: FORMER NAME: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION |
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| CP01 | Change in the name or title of a patent holder |
Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee after: POWERCHINA ZHONGNAN ENGINEERING Corp.,Ltd. Patentee after: Hunan Chenzhou Guoshui Water Treatment Co.,Ltd. Address before: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee before: HYDROCHINA ZHONGNAN ENGINEERING Corp. Patentee before: Hunan Chenzhou Guoshui Water Treatment Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee after: HYDROCHINA ZHONGNAN ENGINEERING Corp. Patentee after: Hunan Chenzhou Guoshui Water Treatment Co.,Ltd. Address before: 410014, 9 camphor Road, Yuhua District, Hunan, Changsha Patentee before: Mid-South Hydroelectric Investigation & Design Institute of China Hydropower Engineering Consulting Group Patentee before: Hunan Chenzhou Guoshui Water Treatment Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
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| CX01 | Expiry of patent term |