CN209922976U - Adjustable electrode bimetal assists electrolysis treatment sewage device - Google Patents
Adjustable electrode bimetal assists electrolysis treatment sewage device Download PDFInfo
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- CN209922976U CN209922976U CN201920312845.2U CN201920312845U CN209922976U CN 209922976 U CN209922976 U CN 209922976U CN 201920312845 U CN201920312845 U CN 201920312845U CN 209922976 U CN209922976 U CN 209922976U
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Abstract
The utility model relates to the technical field of electrochemical wastewater treatment, in particular to an adjustable electrode bimetal assisted electrolysis sewage treatment device, which comprises a tank body, a supporting plate arranged on the tank body, and an external battery pack arranged on the supporting plate; an electrolyte inlet pipe is arranged on the tank body; an aluminum powder solution cavity is arranged on the tank body; an iron powder solution cavity is arranged on the tank body; a liquid discharge pipe is arranged on the groove body; a valve a is arranged on the electrolyte inlet pipe, and a valve b is arranged on the liquid discharge pipe; the inside of the tank body is provided with a bracket, a cathode, an anode, a left liquid exposure pipe and a right liquid exposure pipe; the cathodes are arranged on the bracket and are electrically connected with the cathodes of the battery packs through cathode lines respectively; the anodes are arranged on the bracket and are respectively electrically connected with the anodes of the battery pack through anode wires; a right liquid exposure hole is formed in the right liquid exposure tube, and a left liquid exposure hole is formed in the left liquid exposure tube; the right aeration pipe is communicated with the aluminum powder solution cavity through a communicating pipe; the left liquid exposure pipe is communicated with the iron powder solution cavity through the communicating pipe, and the device has the advantages of simple structure, operation and high efficiency.
Description
Technical Field
The utility model relates to an electrochemistry waste water treatment technical field, especially an electrolysis treatment sewage device is assisted to adjustable electrode bimetal.
Background
With the rapid development of modern industrial technology, the problem of water pollution is becoming more serious, and in more economically developed areas, almost no clear spring running water can be seen, and the phenomenon is continuously worsened. Meanwhile, people also fertilize a large amount of manpower, financial resources and material resources in the aspect of sewage treatment, various water purification technologies and water purification equipment are developed while waste water is generated, and due to different sewage generation modes, pollutant components and contents are completely different, and the quantity of generated sewage is far away. In view of this, researchers have started with different treatment methods aiming at different sewage and different treatment requirements, and have started with research on the aspects of accelerating sewage treatment speed and the like by adopting the series-connected zinc-selenium film metal material and utilizing the strong electron losing capability of zinc and the strong oxidation resistance and conductivity capability of selenium, so that the treatment of organic wastewater and heavy metals is more stable and efficient, and the treatment capability of the organic wastewater is improved.
However, the demand of the equipment in the aspect of wastewater treatment is increasing, the cost of wastewater treatment is greatly increased by adopting the zinc-selenium film metal material for treatment, and the treatment capacity is still not ideal in the wastewater treatment process due to the unreasonable structure arrangement of the wastewater treatment device.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the invention provides an adjustable electrode bimetal assisted electrolysis sewage treatment device.
The method is realized by the following technical scheme:
the adjustable electrode bimetal assisted electrolysis sewage treatment device comprises a tank body, a supporting plate arranged on the tank body, and an external battery pack arranged on the supporting plate; an electrolyte inlet pipe is arranged on the tank body; an aluminum powder solution cavity is arranged on the tank body; an iron powder solution cavity is arranged on the tank body; a liquid discharge pipe is arranged on the groove body; a valve a is arranged on the electrolyte inlet pipe, and a valve b is arranged on the liquid discharge pipe; the inside of the tank body is provided with a bracket, a cathode, an anode, a left liquid exposure pipe and a right liquid exposure pipe; the cathodes are arranged on the bracket and are electrically connected with the cathodes of the battery packs through cathode lines respectively; the anodes are arranged on the bracket and are respectively electrically connected with the anodes of the battery pack through anode wires; a right liquid exposure hole is formed in the right liquid exposure tube, and a left liquid exposure hole is formed in the left liquid exposure tube; the right liquid exposure tube is communicated with the aluminum powder solution cavity through a communicating tube; the left liquid exposure pipe is communicated with the iron powder solution cavity through a communicating pipe.
Preferably, the bracket is arranged at the position of one third of the notch of the groove body. Can effectively enhance the removal of COD in the wastewater and improve the wastewater treatment capacity.
Preferably, the left liquid exposure hole gradually increases in diameter from the position connected with the communicating pipe in the direction away from the communicating pipe; the diameter of the right liquid exposure hole is gradually increased along the direction away from the position of the connecting communicating pipe. The dispersion uniformity of the aluminum powder solution and the iron powder solution after entering the tank body is improved, and the mixing uniformity of the iron powder and the aluminum powder in the tank body is ensured.
Preferably, the aperture of the left liquid exposure hole is larger than that of the right liquid exposure hole. The amount of the iron powder solution entering the interior of the tank body is larger than the amount of the aluminum powder solution, so that the content of iron powder is slightly higher than that of aluminum powder, colored particles in the wastewater are adsorbed and removed under the action of ferric hydroxide gel, and the decolorization rate is more than 99.3%.
Preferably, the aperture of the left liquid exposure hole is 3 times of the aperture of the right liquid exposure hole. So that the wastewater decolorization rate reaches 99.6 percent.
Preferably, a flow control valve a and a supercharging device are arranged in the aluminum powder solution cavity; a flow control valve b and a supercharging device are arranged in the iron powder solution cavity; and the flow rate controlled by the flow control valve a is one third of the flow rate controlled by the flow control valve b. The external control difficulty of the electrolysis device is reduced, the equipment operation difficulty is reduced, and the convenience is improved.
Preferably, the position of the bracket is adjustable. The electrode can be positioned at a proper position, and the treatment capacity of the waste liquid to be electrolyzed in the tank body is improved.
Preferably, the bottom of the tank body is provided with a pump, an outlet pipe of the pump is communicated with the inside of the tank body through a pipeline, and an inlet pipe is arranged at the outlet of the pump and communicated with the inside of the tank body. Can realize pumping into water or treat electrolysis waste water, realize improving the inside composition mixing uniformity of cell body to the stirring of cell body inside, improve electrolysis efficiency.
Compared with the prior art, the invention has the technical effects that:
the invention has simple structure and convenient operation, can realize continuous sewage treatment, introduces double metals to assist electrolysis, forms a large number of micro batteries in the electrolytic bath body, accelerates the efficiency of electrolytic treatment of the waste water, and can supplement water in the electrolytic bath by adding the double metals in the mode of aluminum powder solution and iron powder solution, realize the supplement of double metal components, enhance the long-term existence of the micro batteries in the electrolytic bath body and improve the capacity of treating the waste water to be electrolyzed.
Moreover, through the setting of support for the height position that sets up negative pole, positive pole in the cell body inside can be adjusted, can guarantee to be in suitable position, makes the reinforcing to waste water treatment ability by a wide margin.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
1-tank body 2-electrolyte inlet pipe 3-battery pack 4-aluminum powder solution cavity 5-liquid discharge pipe 6-pump 7-inlet pipe 8-anode 9-left aeration pipe 10-right aeration pipe 11-support 12-cathode 13-right aeration hole 14-left aeration hole 15-anode line 16-iron powder solution cavity 17-valve a 18-support plate 19-cathode line 20-communicating pipe 21-valve b.
Detailed Description
The technical solution of the present invention is further limited by the following embodiments, but the scope of the protection is not limited by the description.
As shown in fig. 1, in some embodiments, the adjustable electrode bimetal assisted electrolysis sewage treatment device comprises a tank body 1, a support plate 18 arranged on the tank body 1, and an external battery pack 3 arranged on the support plate 18; an electrolyte inlet pipe 2 is arranged on the tank body 1; an aluminum powder solution cavity 4 is arranged on the tank body 1; an iron powder solution cavity 16 is arranged on the tank body 1; a liquid discharge pipe 5 is arranged on the tank body 1; a valve a17 is arranged on the electrolyte inlet pipe 2, and a valve b21 is arranged on the liquid discharge pipe 5; a bracket 11, a cathode 12, an anode 8, a left liquid exposure pipe 9 and a right liquid exposure pipe 10 are arranged in the tank body 1 at a position which is one third away from the tank body notch; the cathodes 12 are arranged on the bracket 11 and are electrically connected with the negative electrodes of the battery pack 3 through cathode lines 19, respectively; the anodes 8 are arranged on the bracket 11 and are respectively and electrically connected with the anode of the battery pack 3 through anode wires 15; a right liquid exposure hole 13 is formed in the right liquid exposure tube 10, and a left liquid exposure hole 14 is formed in the left liquid exposure tube 9; the right liquid exposure tube 10 is communicated with the aluminum powder solution cavity 4 through a communicating tube 20; the left aeration pipe 9 is communicated with the iron powder solution chamber 16 through a communicating pipe 20.
In the application process, the continuous electrolysis wastewater treatment operation can be realized, in the continuous treatment process, wastewater to be electrolyzed and waste liquid enter the interior of the tank body through the electrolyte inlet pipe for electrolysis, and meanwhile, the liquid discharge pipe is opened for discharging liquid, so that the continuous operation is realized; in the intermittent electrolysis treatment process, waste liquid and waste water to be electrolyzed enter the cell body through the electrolyte inlet pipe, are filled or are filled to a proper position, then electrolysis is started, and after the electrolysis is finished, the liquid discharge pipe is opened to discharge liquid to complete the electrolysis.
In the operation process, after the electrolyte is fed into the wastewater to be electrolyzed and the waste liquid through the electrolyte inlet pipe, the anode and the cathode of the electrolyte inlet pipe are respectively connected with the anode and the cathode of the battery pack, the electrolysis is started, and in the electrolysis process, the aluminum powder solution cavity and the iron powder solution cavity are opened, so that the aluminum powder solution and the iron powder solution enter the inside of the tank body, and when the water is supplemented, the aluminum powder and the iron powder are added, a large number of micro batteries are formed in the inside of the tank body, and the treatment efficiency and the treatment capacity of the wastewater are accelerated.
In the research process, the researcher adopts indigo polluted wastewater as a research object, adopts the device for electrolytic treatment, adopts an open aluminum powder solution cavity and an open iron powder solution cavity as an experimental group 1, and adopts an open aluminum powder solution cavity and a close iron powder solution cavity as an experimental group 2, and closes the experimental groupCarrying out test treatment by taking the aluminum powder solution cavity and the opened iron powder solution cavity as an experimental group 3 and taking the closed aluminum powder solution cavity and the closed iron powder solution cavity as an experimental group 4; other process parameter variations in the electrolytic process are processed with reference to the related operations in the prior art, such as: controlling pH value of wastewater within 5-8, changing electrolytic voltage between 10-15V, controlling electrolytic time at 60min, and controlling current density at 0.1-0.2A cm-2To change between. The results are shown in table 1 below:
TABLE 1
| Experimental group 1 | |
|
|
|
| Decolorization ratio (%) | 99.3 | 85.6 | 83.1 | 79.8 |
| COD removal Rate (%) | 89.7 | 83.2 | 84.7 | 80.2 |
As shown in data in Table 1, in the wastewater treatment process, the aluminum powder solution cavity and the iron powder solution cavity are arranged on the device, so that the bimetal assisting mode can be added into the tank body for treatment, and the capability of treating indigo polluted wastewater can be greatly improved.
In addition, on the basis of the experimental group 1, the investigators respectively prepare iron powder and aluminum powder into solutions and then perform electrolytic treatment according to the above to obtain an experimental group 5; the iron powder and the aluminum powder which are equal to the experimental group 5 are directly added into the electrolytic device, and are stirred and mixed for 10min at the speed of 200r/min by adopting a stirring device to carry out electrolytic treatment to obtain an experimental group 6; indigo-polluted wastewater (original COD) for experiment group 5 and experiment group 6Cr3785mg/L and 2439 color values), the decolorization ratio and the COD removal ratio were counted over time, and the other treatments were conducted according to the above test procedures and the conventional techniques, and the results are shown in Table 2 below:
TABLE 2
As shown by the data in Table 2, in the treatment process, the capacity change of the electrolytic indigo polluted wastewater treatment is completely different when the iron powder and the aluminum powder are added in different forms, and the solution adding mode is superior to the powder adding mode in the electrolytic efficiency, and the reason is that: the solution enters in a mode, so that elemental iron and elemental aluminum can be effectively and uniformly dispersed in the solution to be electrolyzed in the electrolytic bath body, the mixture is uniform, and a micro battery can be quickly formed; and for the powder mode entering, powder agglomeration is easily caused, agglomeration occurs, and the dispersibility of iron powder, aluminum powder and other simple substances in the solution to be electrolyzed is influenced, so that the quantity and the dispersion uniformity of the micro-battery formed quickly are poor, and the efficiency of wastewater treatment is further influenced to a great extent.
In some embodiments, the bracket 11 is disposed at one third of the notch of the tank body 1. Can effectively ensure that the electrode is processed at a proper position, and avoid the poor treatment capability of the electrolytic wastewater caused by overhigh or overlow electrode, which leads to the failure of effectively treating the sewage in the tank. On the basis of the experimental group 1, the researchers adjust the position of the bracket 11 and adjust the position according to the change mode of adjusting the position to be one-fourth of the distance from the notch X of the tank body 1, wherein X is a change parameter, and perform the intermittent wastewater electrolysis for 50min, and determine the decolorization rate and the COD removal rate of the electrolyzed indigo polluted wastewater as shown in the following table 3:
TABLE 3
| X＝5 | X＝4 | X＝3.5 | X＝2 | X＝2.5 | |
| Decolorization ratio (%) | 89.5 | 90.1 | 98.9 | 97.8 | 98.5 |
| COD removal Rate (%) | 85.1 | 84.2 | 89.8 | 89.6 | 90.1 |
The data in table 3 and table 1 show that the electrode is controlled at a proper position, so that the electrolytic treatment capacity of the indigo polluted wastewater can be improved, the decolorization rate and the COD removal rate can be improved, and the treatment cost can be reduced.
In some embodiments, the diameter of the left liquid exposure hole 14 gradually increases from the position of the connecting communicating pipe 20 in the direction away from the left liquid exposure hole; the diameter of the right liquid exposure hole 13 gradually increases from the position of the connecting communicating pipe 20 in the direction away from the right liquid exposure hole. Is beneficial to improving the dispersion efficiency and enhancing the dispersion performance.
In some embodiments, the diameter of the left liquid exposure hole 14 is larger than the diameter of the right liquid exposure hole 13. Is beneficial to the control of the adding amount of the excessive aluminum powder.
In some embodiments, the diameter of the left liquid exposure hole 14 is 3 times that of the right liquid exposure hole 13. The addition of the iron powder and the aluminum powder is ensured to be in a proper proportion range, so that the wastewater decolorization rate reaches 99.6%.
In some embodiments, a flow control valve a and a pressurizing device are arranged in the aluminum powder solution cavity 4; a flow control valve b and a pressurizing device are arranged in the iron powder solution cavity 16; and the flow rate controlled by the flow control valve a is one third of the flow rate controlled by the flow control valve b. Reduce the control degree of difficulty, strengthen steerable efficiency, reduce the electrolysis and handle the waste water degree of difficulty.
In some embodiments, the position of the bracket 11 is adjustable. Ensure the electrode to be in a proper position and improve the electrolysis efficiency.
In some embodiments, a pump 6 is arranged at the bottom of the tank body 1, an outlet pipe of the pump 6 is communicated with the inside of the tank body 1 through a pipeline, and an outlet of the pump 6 is communicated with an inlet pipe 7. The stirring and the electrolyte solution supplementation are facilitated, the material mixing uniformity in the tank body is improved, or the continuous electrolysis capacity is improved.
Claims (8)
1. An adjustable electrode bimetal assisted electrolysis sewage treatment device is characterized by comprising a tank body (1), a supporting plate (18) arranged on the tank body (1), and an external battery pack (3) arranged on the supporting plate (18); an electrolyte inlet pipe (2) is arranged on the tank body (1); an aluminum powder solution cavity (4) is arranged on the tank body (1); an iron powder solution cavity (16) is arranged on the tank body (1); a liquid discharge pipe (5) is arranged on the tank body (1); a valve a (17) is arranged on the electrolyte inlet pipe (2), and a valve b (21) is arranged on the liquid discharge pipe (5); a bracket (11), a cathode (12), an anode (8), a left liquid exposure pipe (9) and a right liquid exposure pipe (10) are arranged in the tank body (1); the cathodes (12) are arranged on the bracket (11) and are respectively and electrically connected with the negative pole of the battery pack (3) through cathode lines (19); the anodes (8) are arranged on the bracket (11) and are respectively and electrically connected with the anode of the battery pack (3) through anode wires (15); a right liquid exposure hole (13) is formed in the right liquid exposure tube (10), and a left liquid exposure hole (14) is formed in the left liquid exposure tube (9); the right aeration pipe (10) is communicated with the aluminum powder solution cavity (4) through a communicating pipe (20); the left aeration pipe (9) is communicated with the iron powder solution chamber (16) through a communicating pipe (20).
2. The device for the bimetal-assisted electrolytic treatment of sewage by the adjustable electrodes as claimed in claim 1, wherein the bracket (11) is arranged at the position of one third of the notch of the tank body (1).
3. The apparatus for the bimetallic-assisted electrolysis treatment of sewage water by using adjustable electrodes as claimed in claim 1, wherein the diameter of the left liquid-exposing hole (14) is gradually increased in the direction away from the position of the connecting communicating pipe (20); the diameter of the right liquid exposure hole (13) is gradually increased along the direction away from the position of the connecting communicating pipe (20).
4. The apparatus for the bimetallic-assisted electrolytic treatment of wastewater according to claim 1 or 3, wherein the aperture of the left liquid-exposure hole (14) is larger than the aperture of the right liquid-exposure hole (13).
5. The apparatus for the bimetal-assisted electrolysis sewage treatment of adjustable electrodes as claimed in claim 1 or 3, wherein the aperture of the left liquid exposure hole (14) is 3 times that of the right liquid exposure hole (13).
6. The device for the bimetal-assisted electrolytic treatment of sewage water with the adjustable electrodes as claimed in claim 1 or 3, wherein a flow control valve a and a pressurizing device are arranged in the aluminum powder solution cavity (4); a flow control valve b and a pressurizing device are arranged in the iron powder solution cavity (16); and the flow rate controlled by the flow control valve a is one third of the flow rate controlled by the flow control valve b.
7. The apparatus for the bimetallic-assisted electrolytic treatment of wastewater according to claim 1 or 2, wherein the position of the support (11) is adjustable.
8. The device for the bimetal-assisted electrolysis treatment of sewage water according to claim 1, wherein the bottom of the tank body (1) is provided with a pump (6), an outlet pipe of the pump (6) is communicated with the inside of the tank body (1) through a pipeline, and an outlet of the pump (6) is communicated with an inlet pipe (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312845.2U CN209922976U (en) | 2019-03-13 | 2019-03-13 | Adjustable electrode bimetal assists electrolysis treatment sewage device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920312845.2U CN209922976U (en) | 2019-03-13 | 2019-03-13 | Adjustable electrode bimetal assists electrolysis treatment sewage device |
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| CN209922976U true CN209922976U (en) | 2020-01-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942055A (en) * | 2019-02-24 | 2019-06-28 | 贵州省过程工业技术研究中心 | A kind of organic wastewater electrochemical process for treating and device |
-
2019
- 2019-03-13 CN CN201920312845.2U patent/CN209922976U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942055A (en) * | 2019-02-24 | 2019-06-28 | 贵州省过程工业技术研究中心 | A kind of organic wastewater electrochemical process for treating and device |
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