CN2908475Y - Electrolytic treatment device of industrial waste water containing metal ion - Google Patents
Electrolytic treatment device of industrial waste water containing metal ion Download PDFInfo
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- CN2908475Y CN2908475Y CN200620054048.1U CN200620054048U CN2908475Y CN 2908475 Y CN2908475 Y CN 2908475Y CN 200620054048 U CN200620054048 U CN 200620054048U CN 2908475 Y CN2908475 Y CN 2908475Y
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- magnesium
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- electrolysis
- industrial wastewater
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Abstract
The utility model relates to a electrolysis device in the industrial wastewater treatment, including a electrolysis slot with a water inlet and a water outlet, a power supply and electrodes; the electrodes are arranged in the electrolysis slot; the power supply is connected with the electrodes; the electrodes are made of the magnesium plates; both sides of the magnesium plate are connected with the inner wall of the electrolysis slot; and between the two adjacent magnesium plates which are arranged in the electrolysis slot with the equidistance between and alternatively arranged with the higher and lower ones, one plate is connected with the bottom of the electrolysis slot, while the other plate is with a certain height from the bottom. The electrolysis device uses the bipolar magnesium plate as the electrodes; after the magnesium plate is electrolyzed, the activity of the produced magnesium compounds is large; the adsorption ability is high; the magnesium compounds is not corrosive, safe, non-toxic, and is the 'green and safe neutralizer'. The structure of the device is simple; the utilization of the magnesium plates is higher; the operation is easy; and the device has a highly efficient wastewater treatment effect. The industrial wastewater (particularly the wastewater used in the process of cleaning the electro-plation) reaches the emission standard after being treated by the device of the utility model, and can be recycled, not only reducing the cost but also conducive to the environmental protection.
Description
Technical Field
The utility model relates to an industrial wastewater treatment, in particular to an electrolytic treatment device for industrial wastewater containing metal ions.
Background
The current situation that water resources are relatively poor in China and industrial wastewater is seriously polluted puts forward urgent requirements on a wastewater treatment technology. At present, the domestic and foreign waste water treatment methods mainly comprise a chemical reduction method, an electrochemical method, an ion exchange method, an activated carbon adsorption method, a liquid membrane method and the like. These methods, while individually featured, also have deficiencies. The ion exchange method has high technical requirements and large one-time investment; the active carbon adsorption method has the defects of complex active carbon regeneration operation, incapability of directly returning the regeneration to a tank for utilization, imperfect process parameters and technical conditions, comprehensive utilization of eluent and the like; the liquid membrane separation treatment cost is high, and the process technology is not mature. Furthermore, the single treatment method does not necessarily achieve the predetermined effect, so that the industrial wastewater treatment is combined by a plurality of methods. The electrolytic treatment is one of the commonly used industrial wastewater treatment methods containing metal ions, but most of the electrolytic methods have the defects of incomplete wastewater treatment, easy residue retention in an electrolytic bath to cause blockage, high consumed electric energy, low treatment efficiency, difficult management and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an electrolysis device containing metal ion industrial wastewater treatment, which has simple structure, convenient operation and higher efficiency of wastewater treatment.
The purpose of the utility model is realized through the following device:
the utility model provides an electrolytic treatment device who contains metal ion industrial waste water, is including the electrolysis trough, power and the electrode that have water inlet and delivery port, and the electrode is located the electrolysis trough, and the power is connected with the electrode, the electrode is the magnesium board, and magnesium board both sides and electrolysis trough inner wall are connected to equidistance height interval arrangement in the electrolysis trough, in two adjacent magnesium boards, one is connected with the electrolysis trough bottom, and another is apart from the bottom take the altitude. Therefore, the wastewater flows in an S shape in the electrolytic cell, the magnesium plate is utilized to the maximum extent, and the wastewater treatment efficiency is improved and the power consumption is reduced. The power supply is a direct current power supply or a pulse power supply.
The magnesium plate is a bipolar electrode, and the anode and the cathode of the magnesium plate can be exchanged in the using process so as to reduce the replacing times of the polar plate and prolong the service time of the electrolytic cell.
The shape of the electrolytic cell may be a square, a trapezoid or an inverted trapezoid according to the technical common knowledge of the electrolytic wastewater treatment apparatus.
The big water inlet of the electrolytic cell is positioned at the lower end of the side surface of the electrolytic cell, and the water outlet is positioned at the upper end of the side surface of the electrolytic cell, so that the outer side of the last magnesium plate close to the water outlet side can be more effectively utilized.
According to the general technical requirements of the electrolytic treatment of industrial wastewater, the wastewater treatment electrolysis device still needs to be connected with the reservoir, the precipitation tank, the filtering device and the auxiliary equipment of the effluent conductivity meter. The collected raw water enters the electrolytic tank through the control of a flowmeter and a valve, the treated water is precipitated in a sedimentation tank, and the filter tank is connected with the sedimentation tank through a water pump. The material of the electrolytic cell can be PVC or organic glass, so that the inner wall of the electrolytic cell can not react with the wastewater. The height of the magnesium plate in the electrolytic cell is lower than that of the electrolytic cell, so that the wastewater is prevented from overflowing the electrolytic cell in the treatment process.
The utility model discloses the basic principle that interior electrolysis process technology comes the processing waste water:
after the wastewaterflows through a magnesium plate connected with a direct current power supply or a pulse power supply, magnesium hydroxide called as an environment-friendly green safe wastewater treatment agent is generated in the solution due to the dissolution of Mg at an anode. Namely: . The magnesium hydroxide has high activity and strong adsorption capacity, and can adsorb gold in acidic liquid while neutralizing the acidic liquidBelongs to ions, thereby achieving the purpose of removal.
Meanwhile, metal ions in the wastewater are continuously reduced into metal and deposited under the condition that the cathode separates out hydrogenTo do so. Taking the example of Cu as an example, 。
the concentration of metal ions in the wastewater can be reduced under the simultaneous action of the anode and the cathode.
Compared with the prior art, the utility model the advantage that exists:
1. the utility model discloses adopt the bipolar magnesium board in the electrolysis trough, the magnesium compound activity that produces after the magnesium board electrolysis is big, and adsorption efficiency is strong, does not have corrosivity, and is safe, nontoxic, is "green safe neutralizer".
2. The utility model discloses the equidistance interval of magnesium board height makes waste water be the S type and flows to the water inlet sets up in the bottom, and the delivery port sets up in upper portion, thereby has improved the utilization efficiency of magnesium board.
3. The industrial wastewater (especially the wastewater for cleaning the electroplating process) can reach the discharge standard after being treated by the device of the utility model, and can be recycled, therebynot only reducing the cost, but also being beneficial to environmental protection.
4. The utility model discloses simple structure, convenient operation have more efficient waste water treatment effect.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the electrolytic treatment device for industrial wastewater containing metal ions.
Fig. 2 is a sectional view taken along a-a in fig. 1.
FIG. 3 is a schematic view of the electrolytic treatment process of the industrial waste water containing metal ions according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
The wastewater treated by the embodiment is the wastewater for cleaning the electroplating process, and the main harm of the wastewater is copper ions.
As shown in FIGS. 1 and 2, the electrolytic treatment apparatus for metal ion-containing industrial wastewater comprises an electrolytic bath 4, magnesium plate electrodes 51 and 52, a water inlet 41, a water outlet 42 and a DC power supply 7, wherein the magnesium plate 51 is connected to the bottom and both sides of the bath, and the magnesium plate 52 is connected to only both sides of the bath, and is spaced from the bottom by about 3mm (the height is adjustable according to the size of the electrolytic bath). The industrial wastewater containing metal ions enters the electrolytic tank 4 through the water inlet 41, and thewastewater flows out of the water outlet 42 after passing through the plurality of electrode magnesium plates 51 and 52 in the electrolytic tank.
When treating industrial waste water containing metal ions, magnesium hydroxide is generated in the solution at the magnesium plate anode due to the dissolution of Mg, namely The magnesium hydroxide has high activity, strong adsorption capacity and environmental protection, and can neutralize acidic liquid and adsorb metal ions in the acidic liquid, thereby achieving the purpose of removal. Meanwhile, at the cathode of the magnesium plate, metal ions in the wastewater are continuously reduced into metal due to the precipitation of hydrogen and are deposited. Taking the example of Cu as an example, . The concentration of metal ions in the wastewater can be effectively reduced under the simultaneous action of the anode and the cathode. In the treatment process, the wastewater flows in an S shape in the electrolytic bath, so that the magnesium plate can be utilized to the maximum extent, and the wastewater treatment efficiency is improved and the power consumption is reduced. The anode is continuously dissolved in the wastewater treatment process, when the residual 1/10 is dissolved, the anode and the cathode of the power supply can be switched, so that the original anode is changed into the cathode, and the cathode is changed into the anode, thereby achieving the purpose of prolonging the service time of the electrolytic cell.
FIG. 3 is a schematic view of the electrolytic treatment process of the industrial waste water containing metal ions according to the present invention. As shown in FIG. 2, it comprises a reservoir 1, an electrolytic bath 4 for treating wastewater, a precipitation bath 6, a filtration device 9 and a conductivity meter 10. The industrial wastewater containing metal ions collected by the reservoir 1 enters the electrolytic tank 4 through the control of the flowmeter 2 and the valve 3, the electrolytic tank 4 is provided with a wastewater inlet and a treated water outlet, a plurality of magnesium plates 5 are arranged at equal intervals to enable the wastewater to flow in an S shape, the magnesium plates 5 are connected with a direct current power supply 7, the treated water is precipitated in the precipitation tank 6 and then is sent to the filtering device 9 through the water pump 8 to be filtered, the filtered water can be recycled, the cost is reduced, and the environmental protection is facilitated. The flow meter 5 and the valve 6 can observe and regulate the flow of the wastewater.
Claims (5)
1. The utility model provides an electrolytic treatment device who contains metal ion industrial waste water, is including the electrolysis trough, power and the electrode that have water inlet and delivery port, and the electrode is located the electrolysis trough, and the power is connected with the electrode, its characterized in that, the electrode is the magnesium board, magnesium board both sides and electrolysis trough inner wall are connected to equidistance height interval arrangement in the electrolysis trough, in two adjacent magnesium boards, one is connected with the electrolysis trough bottom, another apart from the bottom by a take the altitude.
2. The electrolytic processing apparatus for industrial wastewater containing metallic ions according to claim 1, wherein the power source is a direct current power source or a pulse power source.
3. The electrolytic processing device for industrial wastewater containing metal ions according to claim 1, wherein the magnesium plate is a bipolar electrode, and the anode and the cathode of the magnesium plate can be exchanged during the use process.
4. The electrolytic processing apparatus for industrial wastewater containing metallic ions according to claim 1, wherein the electrolytic bath has a square, trapezoidal or inverted trapezoidal shape.
5. The electrolytic processing apparatus for industrial wastewater containing metallic ions according to claim 1, wherein the water inlet of the electrolytic bath is located at a lower end of a side surface of the electrolytic bath, and the water outlet is located at an upper end of the side surface of the electrolytic bath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620054048.1U CN2908475Y (en) | 2006-01-20 | 2006-01-20 | Electrolytic treatment device of industrial waste water containing metal ion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620054048.1U CN2908475Y (en) | 2006-01-20 | 2006-01-20 | Electrolytic treatment device of industrial waste water containing metal ion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2908475Y true CN2908475Y (en) | 2007-06-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200620054048.1U Expired - Fee Related CN2908475Y (en) | 2006-01-20 | 2006-01-20 | Electrolytic treatment device of industrial waste water containing metal ion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2908475Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162284A (en) * | 2017-05-26 | 2017-09-15 | 清远初曲智能科技有限公司 | A kind of environmentally friendly reaction unit of industrial wastewater heavy metal ion oxidation-adsorption circulation and stress |
| CN107973379A (en) * | 2017-12-15 | 2018-05-01 | 青岛理工大学 | A kind of method suitable for anoxic Arsenic Contamination in Groundwater in-situ immobilization |
| CN108315919A (en) * | 2018-01-23 | 2018-07-24 | 上海森浩印染机械有限公司 | Using the cloth lixiviating method of ion-drive |
| CN116249674A (en) * | 2021-03-04 | 2023-06-09 | 富士电机株式会社 | Generating device and exhaust gas treatment system |
-
2006
- 2006-01-20 CN CN200620054048.1U patent/CN2908475Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162284A (en) * | 2017-05-26 | 2017-09-15 | 清远初曲智能科技有限公司 | A kind of environmentally friendly reaction unit of industrial wastewater heavy metal ion oxidation-adsorption circulation and stress |
| CN107162284B (en) * | 2017-05-26 | 2018-06-29 | 清远初曲智能科技有限公司 | A kind of industrial wastewater heavy metal ion oxidation-adsorption circulation and stress environmental protection reaction unit |
| CN107973379A (en) * | 2017-12-15 | 2018-05-01 | 青岛理工大学 | A kind of method suitable for anoxic Arsenic Contamination in Groundwater in-situ immobilization |
| CN108315919A (en) * | 2018-01-23 | 2018-07-24 | 上海森浩印染机械有限公司 | Using the cloth lixiviating method of ion-drive |
| CN116249674A (en) * | 2021-03-04 | 2023-06-09 | 富士电机株式会社 | Generating device and exhaust gas treatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070606 Termination date: 20100220 |