CN210825558U - Electrochemical treatment device for water treatment - Google Patents
Electrochemical treatment device for water treatment Download PDFInfo
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- CN210825558U CN210825558U CN201921389531.9U CN201921389531U CN210825558U CN 210825558 U CN210825558 U CN 210825558U CN 201921389531 U CN201921389531 U CN 201921389531U CN 210825558 U CN210825558 U CN 210825558U
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Abstract
The utility model discloses an electrochemical treatment device for water treatment, include: the water inlet is arranged at the front end of the tank body, and the water outlet is arranged at the rear end of the tank body; the conductive piece group is arranged in the groove body and comprises a first conductive piece and a second conductive piece, the first conductive piece and the second conductive piece are arranged alternately at intervals along the length direction of the groove body, and open holes are formed in the first conductive piece and the second conductive piece; and the positive pole of the power supply is electrically connected with one of the first conductive piece and the second conductive piece, and the negative pole of the power supply is electrically connected with the other one of the first conductive piece and the second conductive piece. By adopting the device, COD of the wastewater can be effectively reduced or impurities such as heavy metals in the wastewater can be removed, reaction products can be discharged in time, the electrolytic activity of the electrolytic device is kept, the cell voltage is effectively reduced, the device occupies small area and the manufacturing cost is low.
Description
Technical Field
The utility model belongs to the waste water treatment field, concretely relates to electrochemical treatment device for water treatment.
Background
At present, the tail end of wastewater in the non-ferrous industry is generally treated by an electrochemical treatment process, and the traditional electrochemical treatment method generally adopts an open electrolytic cell and iron plate reversing electrolysis mode, and the mode is a normal pressure type, has simple equipment and is widely adopted. However, the process equipment occupies a large area, has low electric energy efficiency and low anode utilization rate, and the electrolyzed iron is not easy to discharge and is adhered to the polar plate to be continuously oxidized, thereby losing the efficacy.
Therefore, the existing electrochemical treatment technology suitable for wastewater in the color industry needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide an electrochemical treatment device for water treatment, adopt the device can effectively reduce the COD of waste water or get rid of impurity such as heavy metal in the waste water to reaction product can in time discharge, keeps electrolytic device's electrolytic activity, effectively reduces the tank voltage simultaneously, and device area is little and the cost is with low costs.
In one aspect of the present invention, the present invention provides an electrochemical treatment apparatus for water treatment. According to the utility model discloses an embodiment, the device includes:
the water inlet is arranged at the front end of the tank body, and the water outlet is arranged at the rear end of the tank body;
the conductive piece group is arranged in the groove body and comprises a first conductive piece and a second conductive piece, the first conductive piece and the second conductive piece are arranged alternately at intervals along the length direction of the groove body, and open holes are formed in the first conductive piece and the second conductive piece;
and the positive pole of the power supply is periodically and electrically connected with one of the first conductive piece and the second conductive piece, and the negative pole of the power supply is periodically and electrically connected with the other one of the first conductive piece and the second conductive piece.
According to the utility model discloses electrochemical treatment device for water treatment is through adopting the conducting element group, this conducting element group is including the first electrically conductive piece and the second electrically conductive piece of alternative arrangement to all be equipped with the trompil on first electrically conductive piece and the second electrically conductive piece, waste water flows through first electrically conductive piece and the second electrically conductive piece promptly, can effectively reduce the COD of waste water or get rid of impurity such as heavy metal in the waste water, and reaction product can in time discharge, keeps electrolytic device's electrolytic activity, effectively reduces the tank voltage simultaneously, device area is little and the cost is with low costs.
In addition, the electrochemical treatment device for water treatment according to the above embodiment of the present invention may further have the following additional features:
optionally, the tank is a resin tank, a PVC tank or a concrete tank.
Optionally, the first conductive member and the second conductive member are both electrode plates. Thereby, the COD in the wastewater can be significantly reduced.
Optionally, the first conductive member is an electrolytic basket and the second conductive member is an electrode plate. Therefore, impurities such as heavy metals in the wastewater can be effectively removed and reduced.
Optionally, the first and second electrically conductive members are electrolytic baskets. Therefore, impurities such as heavy metals in the wastewater can be effectively removed and reduced.
Optionally, the electrode plate is mesh-shaped or porous.
Optionally, the electrode plate is made of stainless steel, titanium, copper, graphite or titanium plated with noble metal or coated with a catalyst on the surface.
Optionally, the electrolysis basket is hollow and filled with electrolytic material. Therefore, impurities such as heavy metals in the wastewater can be effectively removed and reduced.
Optionally, the electrolytic basket is made of stainless steel, titanium alloy, copper, graphite or titanium plated precious metal. Therefore, impurities such as heavy metals in the wastewater can be effectively removed and reduced.
Optionally, the electrolytic feed material includes at least one of pure aluminum, pure iron, pure zinc, carbon steel, and iron-carbon alloy. Therefore, impurities such as heavy metals in the wastewater can be effectively removed and reduced.
Optionally, the water inlet is arranged below the water outlet in the height direction of the tank body.
Optionally, the power supply is a commutating power supply, a positive electrode of the commutating power supply is periodically and electrically connected with one of the first conducting member and the second conducting member, and a negative electrode of the commutating power supply is periodically and electrically connected with the other of the first conducting member and the second conducting member. Thereby, the electrolytic activity of the conductive member can be maintained.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic top view of an electrochemical treatment apparatus for water treatment according to an embodiment of the present invention;
fig. 2 is a schematic top view of an electrochemical treatment device for water treatment according to still another embodiment of the present invention;
fig. 3 is a schematic view showing a longitudinal sectional structure of an electrochemical treatment apparatus for water treatment according to still another embodiment of the present invention;
fig. 4 is a schematic top view of an electrochemical treatment apparatus for water treatment according to another embodiment of the present invention;
fig. 5 is a schematic view showing a longitudinal sectional structure of an electrochemical treatment apparatus for water treatment according to still another embodiment of the present invention;
fig. 6 is a schematic top view of an electrochemical treatment apparatus for water treatment according to another embodiment of the present invention;
fig. 7 is a schematic view showing a longitudinal sectional structure of an electrochemical treatment apparatus for water treatment according to still another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In one aspect of the present invention, the present invention provides an electrochemical treatment apparatus for water treatment. According to the utility model discloses an embodiment, referring to fig. 1, the device includes: a tank 100, a set of conductive elements 200 and a power supply 300.
According to the utility model discloses an embodiment, cell body 100 front end is equipped with water inlet 101, and the rear end of cell body 100 is equipped with delivery port 102, and is preferred, and in the direction of height of cell body 100, water inlet 101 is established in delivery port 102 below, and waste water advances to go up in cell body 100 under promptly for waste water gets into in cell body 100 and the through-flow conducting element group 200 in proper order through the water inlet 101 of establishing in cell body 100 anterior segment bottom, then discharges the cell body through delivery port 102 of establishing in cell body 100 rear end upper end. According to a specific embodiment of the present invention, the material of the tank 100 has no special requirement, as long as the insulation effect can be achieved, for example, a resin tank, a PVC tank or a concrete tank.
According to the utility model discloses an embodiment, conducting element group 200 is established in cell body 100, conducting element group 200 includes first conductive 21 and the second conductive 22, first conductive 21 and the second conductive 22 interval and the alternative arrangement along the length direction of cell body to be equipped with trompil (not shown) on first conductive 21 and the second conductive 22, the waste water that gets into cell body 100 through water inlet 101 flows conducting element group 200 promptly, and waste water is in the first conductive 21 of flowing through and the second conductive 22 in-process takes place the reaction, thereby effectively reduce COD in the waste water or get rid of impurity such as heavy metal in the waste water. According to an embodiment of the present invention, the conductive member group 200 includes a plurality of first conductive members 21 and a plurality of second conductive members 22, that is, the openings of the plurality of first conductive members 21 and the plurality of second conductive members 22 jointly define a through-flow channel in the conductive member group 200, and the first conductive members 21 and the second conductive members 22 are both parallel to the front end or the rear end of the tank body 100.
According to a specific embodiment of the present invention, referring to fig. 2-3, the first conductive piece 21 and the second conductive piece 22 are the electrode plate 23, i.e. the wastewater flowing through the conductive piece group 200 entering the tank body 100 through the water inlet 101, and the wastewater is subjected to electrolytic catalytic oxidation in the process of flowing through the electrode plate 23, and the COD is oxidized at the electrode plate 23 corresponding to the anode, so as to effectively reduce the COD in the wastewater, and the wastewater flowing through can take away the reaction product in time, thereby maintaining the activity of the electrode plate.
According to another embodiment of the present invention, referring to fig. 4-5, the first conductive member 21 is an electrolytic basket 24, the second conductive member 22 is a plate electrode 23, the electrolytic basket 24 connected to the positive electrode of the power supply 300 is under the action of the positive electrode of the power supply, the electrolytic material therein is continuously dissolved out and combined with hydroxyl generated by the plate electrode 23 as the negative electrode to generate an adsorbent, the adsorbent can effectively adsorb impurities such as heavy metals in the waste water, and the waste water flowing through can timely take away the reaction product, thereby keeping the activity of the conductive member group.
According to another embodiment of the present invention, referring to fig. 6-7, the first conductive device 21 and the second conductive device 22 are the electrolytic basket 24, i.e. the wastewater flows through the conductive device group 200, the wastewater flows through the electrolytic basket 24, the electrolytic basket connected to the positive electrode of the power supply 300 is under the action of the positive electrode of the power supply, the electrolytic material therein is continuously dissolved out and combined with hydroxyl generated by the electrolytic basket as the cathode to generate the absorbent, the absorbent can effectively absorb the impurities such as heavy metals in the wastewater, and the flowing wastewater can timely take away the reaction products, thereby keeping the activity of the electrolytic basket.
Further, the electrode plate 23 is mesh-shaped or porous, that is, the meshes and/or holes of the plurality of electrode plates 23 together form a flow channel, and the electrode plate 23 is made of stainless steel, titanium, copper, graphite or titanium-plated noble metal or coated with a catalyst on the surface. The catalyst may be any substance that does not participate in the reaction, such as lead dioxide, nickel oxide, or titanium oxide. The inventor finds that the electrode plate made of the material does not generate chemical reaction and has good adaptability to waste water.
Further, the electrolytic basket 24 is a square structure with a hollow inside, the hollow structure is filled with electrolytic material, and the electrolytic basket 24 is made of stainless steel, titanium alloy, copper, graphite or titanium-plated noble metal material. The inventors have found that the electrolytic basket of this type does not itself react chemically and is highly adaptable to waste water and that the electrolytic material in the electrolytic basket 24 comprises at least one of pure aluminum, pure iron, pure zinc, carbon steel and iron-carbon alloy. Therefore, under the action of the positive electrode of the power supply, the electrolytic material in the substance is continuously dissolved out to react with the cathode to generate the adsorbent, and the adsorbent can effectively adsorb impurities such as heavy metals in the wastewater.
According to an embodiment of the present invention, the positive electrode 31 of the power supply 300 is electrically connected to one of the first conductive member 21 and the second conductive member 22, and the negative electrode 32 of the power supply 300 is electrically connected to the other of the first conductive member 21 and the second conductive member 22. According to an embodiment of the present invention, in order to maintain the electrolytic activity of the conductive member group, a reverse power source may be used as needed, and preferably, when the first conductive member 21 and the second conductive member 22 are both the electrode plate 23 or the electrolytic basket 24, the reverse power source is used.
Specifically, taking the first conductive member 21 and the second conductive member 22 as the electrode plates 23 as an example, the power supply 300 is a direct current power supply with reversed positive and negative poles, the positive pole 31 of the power supply 300 is electrically connected with the electrode plate 23 as the first conductive member 21, the negative pole 32 of the power supply 300 is electrically connected with the electrode plate 23 as the second conductive member 22, during electrolysis, oxygen generated by the first conductive member connected with the positive pole of the power supply can oxidize organic matters in wastewater to generate water and carbon dioxide, while the second conductive member connected with the negative pole generates hydrogen, when the reversal is needed (specifically, the adjustment can be performed according to the quality of wastewater, for example, 5 to 30min), the positive pole 31 and the negative pole 32 of the power supply 300 are switched, so that the positive pole 31 of the power supply 300 is electrically connected with the electrode plate 23 as the second conductive member 22, the negative pole 32 of the power supply 300 is electrically connected with the electrode plate 23 as the first conductive member 21, and, the bubbles can clean organic matters and other impurities adhered on the first conductive piece, and the second conductive piece connected with the positive electrode of the power supply generates oxygen to oxidize the organic matters in the wastewater, and the operations are repeated and alternated.
Specifically, taking the first conductive member 21 and the second conductive member 22 as the electrolytic basket 24 as an example, the power source 300 is a direct current power source with reversed polarity, the positive electrode 31 of the power source 300 is electrically connected with the electrolytic basket 24 as the first conductive member 21, the negative electrode 32 of the power source 300 is electrically connected with the electrolytic basket 24 as the second conductive member 22, the electrolytic material in the electrolytic basket 24 as the first conductive member 21 is dissolved and combined with hydroxide ions generated by the electrolytic basket 24 as the second conductive member 22 to form a flocculating agent, the flocculating agent adsorbs impurities such as heavy metals in the wastewater, when the reversal is needed (specifically, the adjustment may be made according to the water quality of the wastewater, for example, 5-30 min), the positive electrode 31 and the negative electrode 32 of the power source 300 are switched, so that the positive electrode 31 of the power source 300 is electrically connected with the electrolytic basket 24 as the second conductive member 22, and the negative electrode 32 of the power source 300 is electrically connected with the, the electrolytic material in the electrolytic basket 24 as the second conductive member 22 dissolves and combines with the hydroxyl ions generated from the electrolytic basket 24 as the first conductive member 21 to form a flocculating agent, and the impurities such as heavy metals in the wastewater are continuously adsorbed.
For another example, when the first conductive member 21 is the electrolytic basket 24 and the second conductive member 22 is the electrode plate 23, the positive electrode 31 of the power supply 300 is always electrically connected to the electrolytic basket 24, the negative electrode 32 of the power supply 300 is always electrically connected to the electrode plate 23, and the electrolytic material in the electrolytic basket 24 as the first conductive member 21 dissolves and combines with the hydroxyl ions generated by the electrode plate 23 as the second conductive member 22 to form a flocculant, which adsorbs impurities such as heavy metals in the wastewater.
According to the utility model discloses electrochemical treatment device for water treatment is through adopting the conducting element group, this conducting element group is including the first electrically conductive piece and the second electrically conductive piece of alternative arrangement to all be equipped with the trompil on first electrically conductive piece and the second electrically conductive piece, waste water flows through first electrically conductive piece and the second electrically conductive piece promptly, can effectively reduce the COD of waste water or get rid of impurity such as heavy metal in the waste water, and reaction product can in time discharge, keeps electrolytic device's electrolytic activity, effectively reduces the tank voltage simultaneously, device area is little and the cost is with low costs.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. An electrochemical treatment apparatus for water treatment, comprising:
the water inlet is arranged at the front end of the tank body, and the water outlet is arranged at the rear end of the tank body;
the conductive piece group is arranged in the groove body and comprises a first conductive piece and a second conductive piece, the first conductive piece and the second conductive piece are arranged alternately at intervals along the length direction of the groove body, and open holes are formed in the first conductive piece and the second conductive piece;
and the positive pole of the power supply is electrically connected with one of the first conductive piece and the second conductive piece, and the negative pole of the power supply is electrically connected with the other one of the first conductive piece and the second conductive piece.
2. The apparatus of claim 1, wherein the tank is a resin tank, a PVC tank, or a concrete tank.
3. The device of claim 1, wherein the first and second electrically conductive members are electrode plates.
4. The device of claim 1, wherein the first electrically conductive member is an electrolytic basket and the second electrically conductive member is an electrode plate.
5. The device of claim 1, wherein the first and second electrically conductive members are electrolytic baskets.
6. The device of claim 3 or 4, wherein the electrode plate is mesh-shaped or porous.
7. The device of claim 6, wherein the electrode plate is made of stainless steel, titanium, copper, graphite or titanium plated with noble metal or coated with catalyst.
8. The apparatus according to claim 4 or 5, characterized in that the electrolysis basket is internally hollow and filled with electrolytic material.
9. The apparatus of claim 8, wherein the electrolytic material comprises at least one of pure aluminum, pure iron, pure zinc, carbon steel, and iron-carbon alloy.
10. The device of claim 3 or 5, wherein the power source is a commutating power source, the positive pole of which is periodically electrically connected to one of the first and second electrically conductive members and the negative pole of which is periodically electrically connected to the other of the first and second electrically conductive members.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921389531.9U CN210825558U (en) | 2019-08-23 | 2019-08-23 | Electrochemical treatment device for water treatment |
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| CN201921389531.9U CN210825558U (en) | 2019-08-23 | 2019-08-23 | Electrochemical treatment device for water treatment |
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| CN210825558U true CN210825558U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436578A (en) * | 2019-08-23 | 2019-11-12 | 中国恩菲工程技术有限公司 | Water process apparatus for electrochemical treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436578A (en) * | 2019-08-23 | 2019-11-12 | 中国恩菲工程技术有限公司 | Water process apparatus for electrochemical treatment |
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