CN211570335U - Ultrafiltration membrane preparation wastewater electrolysis treatment device - Google Patents
Ultrafiltration membrane preparation wastewater electrolysis treatment device Download PDFInfo
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- CN211570335U CN211570335U CN201920866630.5U CN201920866630U CN211570335U CN 211570335 U CN211570335 U CN 211570335U CN 201920866630 U CN201920866630 U CN 201920866630U CN 211570335 U CN211570335 U CN 211570335U
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Abstract
The electrolytic treatment device for wastewater produced by ultrafiltration membrane preparation comprises a filter and an electrolyzer which are connected in series by a pipeline, wherein the longitudinal section of the electrolyzer is rectangular, the upper electrode and the lower electrode of the electrolyzer are parallel electrode plates, the electrode of the longitudinal section is composed of an upper comb tooth electrode and a lower comb tooth electrode, the upper comb tooth electrode and the lower comb tooth electrode are respectively connected with an anode and a cathode, the lower end of the upper comb tooth electrode and the upper end of the lower comb tooth electrode are staggered, namely the lower end of the upper comb tooth electrode is higher than the upper end of the lower comb tooth electrode, and the minimum distance between the upper comb tooth electrode and the lower comb tooth electrode is 1-2 mm.
Description
Technical Field
The utility model relates to a wastewater treatment device, in particular to a wastewater treatment device in microfiltration, nanofiltration or reverse osmosis membrane preparation in the field of water treatment.
Background
The planar or tubular membrane, also called microfiltration, nanofiltration or reverse osmosis membrane, has higher filtration efficiency than the sheet membrane, but produces a large amount of sewage produced by nanofiltration or reverse osmosis treatment in the production process, and the extruded membrane is washed in a solvent. The following solvents must be used in the preparation of this type: DMF (methyl formamide), DMAC (dimethylacetamide) and NMP (N-methylpyrrolidone) are the most commonly used and are colorless transparent liquids which have the advantages of low toxicity, stable chemical property, low viscosity, good chemical stability and thermal stability, high polarity, low volatility, infinite miscibility with water and a plurality of organic solvents and the like.
Even though the washing water is repeatedly used, the waste water which is still inevitably produced is low in concentration of the solvent in the water, the general mass concentration is not more than 2%, the most common DMAC (dimethylacetamide) separation can adopt the evaporation reflux in the water, but the amount of the solvent is small after all, and the energy consumption of heating evaporation extraction is too high, therefore, the utility model provides a waste water treatment device for preparing an ultrafiltration membrane, which is used for treating the waste water prepared by the ultrafiltration membrane by an electrolytic treatment device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an ultrafiltration membrane preparation waste water electrolysis processing apparatus is provided, adopts electrolysis processing apparatus, DMF that can be high-efficient and all electrolysis processing waste water is methyl formamide, DMAC is dimethylacetamide (most commonly used), becomes the industry reuse water behind the waste water treatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the electrolytic treatment device for wastewater produced by ultrafiltration membrane preparation comprises a filter and an electrolyzer which are connected in series by a pipeline, wherein the longitudinal section of the electrolyzer is rectangular, the upper electrode and the lower electrode of the electrolyzer are parallel electrode plates, the electrode of the longitudinal section is composed of an upper comb tooth electrode and a lower comb tooth electrode, the upper comb tooth electrode and the lower comb tooth electrode are respectively connected with an anode and a cathode, the lower end of the upper comb tooth electrode and the upper end of the lower comb tooth electrode are staggered, namely the lower end of the upper comb tooth electrode is higher than the upper end of the lower comb tooth electrode, and the minimum distance between the upper comb tooth electrode and the lower comb tooth electrode is 1-2 mm.
The parallel electrode plates of the upper electrode and the lower electrode are electrically connected and uniformly arranged on the insulating plate, the upper electrode and the lower electrode are respectively connected with the anode and the cathode of a power supply, and the power supply voltage is 100-10000V. The length of the parallel electrode plates in the direction of liquid flow is 10-100 cm.
The filter used was a 100 mesh filter.
Has the advantages that: the utility model discloses a effluent treatment plant of milipore filter preparation, crisscross electrode produce even and the electric field distribution that the area is big, can carry out strong electrolysis to the chemical solvent in the rivers, and the superstrong oxidation hydroxyl free radical that the electrolysis produced acts on the solvent in the twinkling of an eye, can make DMAC, DMF remain by strong oxidation and get rid of, effective clearance 95% above. The electrolysis is to treat the electrolyte aqueous solution (the utility model is a strong polar solvent) by an electrolysis device and complete the electrolysis removal work through a series of reactions. The utility model discloses a staggered membrane filtration subassembly of staggered electrode distribution compact structure, the preparation is simple and convenient, is suitable for the industrialization and uses.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the vertically staggered electrode arrangement of FIG. 1 in accordance with the present invention;
Detailed Description
The following detailed description of the embodiments of the present invention is provided, but it should be noted that the scope of the present invention is not limited by the embodiments, but is defined by the appended claims.
The utility model discloses a technical scheme as shown in the figure: wherein: filter 1, electrolytic device 2, electrolyzer housing 21, electrode plate 22, insulating plate 23, upper electrode plate unit 24, mounting bolt 25. The waste water treatment device prepared by ultrafiltration membrane comprises a filter and an electrolyzer which are connected in series by a pipeline, the longitudinal section (vertical to the water flow direction) of the electrolyzer is rectangular, the upper electrode and the lower electrode of the electrolyzer are parallel electrode plates, the electrode of the longitudinal section is composed of an upper comb tooth electrode and a lower comb tooth electrode, the upper comb tooth electrode and the lower comb tooth electrode are respectively connected with the positive electrode and the negative electrode, the lower end of the upper comb tooth electrode and the upper end of the lower comb tooth electrode are staggered, namely the lower end of the upper comb tooth electrode is higher than the upper end of the lower comb tooth electrode, and the minimum distance between the upper comb tooth electrode and the lower comb tooth electrode is 1-2 mm.
The parallel electrode plates of the upper electrode and the lower electrode are electrically connected and uniformly arranged on the insulating plate, the upper electrode and the lower electrode are respectively connected with the anode and the cathode of a power supply, and the power supply voltage is 100-10000V. The length of the parallel electrode plates in the direction of liquid flow is 10-100 cm.
The filter used was a 100 mesh filter. The parallel electrode plate is especially an electrode plate made of graphene materials, wherein the surface of a graphite plate is covered with graphene, or diamond or a modified diamond film. In consideration of safe voltage, 36V direct current voltage is adopted as electrolysis voltage, the electrolysis current is controlled in relation to the size of the cross section, and the current passing per square centimeter is 5-60 mA.
While the foregoing exemplary embodiments of the invention have been described, it will be understood by those skilled in the technology concerned that many variations in details of design, construction and/or operation may be made without departing from the present invention. This is not beyond the scope of the present invention.
Claims (4)
1. The electrolytic treatment device for wastewater produced by ultrafiltration membrane preparation is characterized by comprising a filter and an electrolyzer which are connected in series by a pipeline, wherein the longitudinal section of the electrolyzer is rectangular, the upper electrode and the lower electrode of the electrolyzer are parallel electrode plates, the electrode of the longitudinal section is composed of an upper comb tooth electrode and a lower comb tooth electrode, the upper comb tooth electrode and the lower comb tooth electrode are respectively connected with an anode and a cathode, the lower end of the upper comb tooth electrode and the upper end of the lower comb tooth electrode are staggered, namely the lower end of the upper comb tooth electrode is higher than the upper end of the lower comb tooth electrode, and the minimum distance between the upper comb tooth electrode and the lower comb tooth electrode is 1-2 mm.
2. The apparatus for electrolytic treatment of wastewater produced by ultrafiltration membrane production according to claim 1, wherein the parallel electrode plates of the upper electrode and the lower electrode are electrically connected and uniformly mounted on the insulating plate.
3. The apparatus for electrolytic treatment of wastewater produced by ultrafiltration membrane production according to claim 1, wherein a 100-mesh filter is used as the filter.
4. The electrolytic treatment device for wastewater produced by ultrafiltration membrane production according to claim 1, wherein the length of the parallel electrode plates in the direction of liquid flow is 10 to 100 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866630.5U CN211570335U (en) | 2019-06-11 | 2019-06-11 | Ultrafiltration membrane preparation wastewater electrolysis treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866630.5U CN211570335U (en) | 2019-06-11 | 2019-06-11 | Ultrafiltration membrane preparation wastewater electrolysis treatment device |
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| CN211570335U true CN211570335U (en) | 2020-09-25 |
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| CN201920866630.5U Active CN211570335U (en) | 2019-06-11 | 2019-06-11 | Ultrafiltration membrane preparation wastewater electrolysis treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290737A (en) * | 2020-11-03 | 2021-01-29 | 电子科技大学 | Environmental energy collector and early warning system and application method thereof |
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2019
- 2019-06-11 CN CN201920866630.5U patent/CN211570335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290737A (en) * | 2020-11-03 | 2021-01-29 | 电子科技大学 | Environmental energy collector and early warning system and application method thereof |
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