CN211394129U - Electrolysis and filterable effluent treatment plant - Google Patents
Electrolysis and filterable effluent treatment plant Download PDFInfo
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- CN211394129U CN211394129U CN201922055923.8U CN201922055923U CN211394129U CN 211394129 U CN211394129 U CN 211394129U CN 201922055923 U CN201922055923 U CN 201922055923U CN 211394129 U CN211394129 U CN 211394129U
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Abstract
The utility model discloses an electrolysis and filtration wastewater treatment device, which comprises an electrolytic bath with an insulated inner surface, wherein an even number of iron plates are arranged at intervals in the electrolytic bath, two adjacent iron plates form a cathode and an anode, a cathode iron plate is selected to be connected with a negative pole of a switch power supply, an anode iron plate is selected to be connected with a positive pole of the switch power supply, the positive pole and the negative pole of the switch power supply can be switched, the upper end of the electrolytic bath is provided with a first water inlet, the lower end side wall of the electrolytic bath is provided with a first water outlet, a second water outlet and a second water inlet, the second water outlet is connected with a filter tank through a first pipeline, a filter layer is arranged in the filter tank and divides the filter tank into an upper settling zone and a lower filtrate zone, the side wall of the filter tank of the upper settling zone is provided with a settling discharge port, and the circulating pump is connected with the water inlet II. The utility model discloses simple structure, area are little, and it is effectual to handle waste water.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to an electrolysis and filterable wastewater treatment device.
Background
At present, the requirement of environmental protection emission in the field of industrial wastewater is improved, the cost for treating harmful substances such as COD, BOD, ammonia nitrogen, phosphorus and the like in the industrial wastewater is higher, the wastewater treatment is mostly carried out by adopting methods such as physicochemical treatment, air flotation, Fenton treatment, iron-carbon micro-electrolysis, evaporation, biological treatment and the like in the market at present, and the used device has the advantages of large occupied area, high labor cost and high energy consumption.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention aims to provide an electrolysis and filtration wastewater treatment device with simple structure and small occupied area, which utilizes electrochemical treatment technology to treat wastewater.
The technical scheme of the utility model as follows:
an electrolysis and filtration wastewater treatment device comprises an electrolytic tank with an insulated inner surface, wherein an even number of iron plates are arranged in the electrolytic tank at intervals, two adjacent iron plates form a cathode and an anode, one cathode iron plate is selected to be connected with the negative pole of a switch power supply, one anode iron plate is selected to be connected with the positive pole of the switch power supply, the anode and the cathode of the switch power supply can be switched, the upper end of the electrolytic bath is provided with a first water inlet, the side wall of the lower end of the electrolytic bath is provided with a first water outlet, a second water outlet and a second water inlet, the second water outlet is connected with the filter tank through a first pipeline, a filter layer is arranged in the filter tank, the filter layer divides the filter tank into an upper precipitation area and a lower filtrate area, the side wall of the filter tank of the upper precipitation area is provided with a precipitation discharge port, and the lower filtrate area is connected with a circulating pump through a second pipeline, and the circulating pump is connected with the second water inlet.
Preferably, the iron plates are arranged at equal intervals.
Preferably, the filter layer comprises at least three sub-filter layers, and the pore size of each sub-filter layer is smaller from top to bottom.
Preferably, each sub-filter layer is arranged in parallel, and the sub-filter layers form an included angle of 15-30 degrees with the horizontal plane.
Preferably, the distance between every two sub-filtering layers is more than 20cm, the number of the precipitation discharge ports is the same as that of the sub-filtering layers, and each precipitation discharge port is arranged on the side wall of the filtering tank close to the lowest end of the corresponding sub-filtering layer in the horizontal position.
Preferably, two adjacent sub-filter layers are attached to each other.
Preferably, the inlet end of the second pipeline is provided with a filter cover, and the aperture of the filter cover is smaller than that of the filter layer at the lowest layer.
Preferably, the side wall of the electrolytic cell is also provided with a medicine inlet.
Preferably, through holes are formed in two ends of each iron plate, and two insulating pipes matched with the through holes penetrate through the through holes in the two ends of each iron plate, so that all the iron plates form a grid-shaped whole, and the whole is directly placed at the bottom of the electrolytic cell.
Preferably, an even number of U-shaped slots matched with the iron plates are formed in the inner wall of the electrolytic cell, two walls of each U-shaped slot are arranged on the opposite inner side walls of the electrolytic cell, the bottom of each U-shaped slot is arranged on the inner surface of the bottom of the electrolytic cell, and the iron plates are detachably arranged in the slots.
The utility model has the advantages that:
the utility model discloses simple structure, area is little, and it is effectual to handle waste water. In addition, the switching power supply capable of switching the positive electrode and the negative electrode is arranged, the negative electrode and the positive electrode of the iron plate can be switched, the consumption balance of the iron plate is controlled by switching the positive electrode and the negative electrode, and the phenomenon that the consumption of the same iron plate is unbalanced and the service life of the whole iron plate is influenced because the same iron plate is always used as the positive electrode or the negative electrode is avoided. The filtered liquid is circulated to the electrolytic tank through a circulating pump for electrolytic treatment again, and the water quality with good wastewater treatment effect can be obtained after multiple circulations.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the electrolytic and filtered wastewater treatment apparatus of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the electrolytic and filtered wastewater treatment apparatus of the present invention;
FIG. 3 is a schematic structural view of a filtering tank of the wastewater treatment device for electrolysis and filtration according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an embodiment of an electrolytic bath of the wastewater treatment device for electrolysis and filtration according to the present invention;
FIG. 5 is a schematic structural view of another embodiment of the electrolytic cell of the electrolytic and filtered wastewater treatment apparatus of the present invention.
Reference numbers in the figures:
1-electrolytic tank, 2-iron plate, 3-switching power supply, 4-water inlet I, 5-water outlet I, 6-water outlet II, 7-water inlet II, 8-pipeline I, 9-filter tank, 10-filter layer, 11-precipitation discharge port, 12-pipeline II, 13-circulating pump, 14-filter cover, 15-medicine inlet, 16-insulating tube and 17-slot.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
It should be noted that, in the present application, the embodiments and the technical features of the embodiments may be combined with each other without conflict.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present application, the terms "first", "second", and the like are used for distinguishing similar objects, and not for describing a particular order or sequence order, unless otherwise specified. It is to be understood that the terms so used; the terms "upper", "lower", "left", "right", and the like are used generally with respect to the orientation shown in the drawings, or with respect to the component itself in a vertical, or gravitational orientation; likewise, "inner", "outer", and the like refer to the inner and outer relative to the contours of the components themselves for ease of understanding and description. The above directional terms are not intended to limit the present invention.
As shown in fig. 1-5, an electrolysis and filtration wastewater treatment device comprises an electrolytic tank 1 with an insulated inner surface, wherein an even number of iron plates 2 are arranged in the electrolytic tank 1 at intervals, two adjacent iron plates 2 form a cathode and an anode, a cathode iron plate is selected to be connected with the negative electrode of a switching power supply 3, an anode iron plate is selected to be connected with the positive electrode of the switching power supply 3, the positive electrode and the negative electrode of the switching power supply 3 are convertible, a water inlet I4 is arranged at the upper end of the electrolytic tank 1, a water outlet I5, a water outlet II 6 and a water inlet II 7 are arranged on the side wall of the lower end of the electrolytic tank 1, the water outlet II 6 is connected with a filter tank 9 through a pipeline I8, a filter layer 10 is arranged inside the filter tank 9, the filter layer 10 divides the filter tank 9 into an upper precipitation zone and a lower filtrate zone, a precipitation outlet, and the lower filtrate area is connected with a circulating pump 13 through a second pipeline 12, and the circulating pump 13 is connected with the second water inlet 7.
In a specific embodiment, the iron plates 2 are arranged at equal intervals.
In a specific embodiment, the filter layer 10 comprises at least three sub-filter layers, the pore size of each sub-filter layer decreases from top to bottom, the inlet end of the second pipeline 12 is provided with a filter cover 14, and the pore size of the filter cover 14 is smaller than that of the sub-filter layer at the lowest layer.
Optionally, each layer of sub-filtering layers is arranged in parallel, the sub-filtering layers and the horizontal plane form an included angle of 15 degrees, 20 degrees or 30 degrees, the interval between each layer of sub-filtering layers is larger than 20cm, the number of the precipitation discharge ports 11 is the same as that of the sub-filtering layers, and each precipitation discharge port 11 is arranged on the side wall of the filtering tank close to the lowest end of the horizontal position of the corresponding sub-filtering layer. The filter layer of slope can let the precipitate condense in the slope bottom, and convenient the discharge can also avoid blockking up and filter the filtration pore.
Optionally, two adjacent sub-filter layers are attached to each other.
In a specific embodiment, the filtering layer 10 includes six sub-filtering layers, wherein two sub-filtering layers are grouped from top to bottom, the pore size of the group of filtering layers is smaller, the pore size of the two filtering layers of the same group is the same, and the filtering pores are arranged in a staggered manner.
In a specific embodiment, the side wall of the electrolytic cell 1 is further provided with a chemical inlet 15, sodium hydroxide or sodium carbonate is added into the electrolytic cell 1 through the chemical inlet 15 to accelerate electrolysis, or hydrogen peroxide is added into the electrolytic cell 1 through the chemical inlet 15 to accelerate wastewater treatment through oxidation of the hydrogen peroxide.
In a specific embodiment, through holes are formed at two ends of each iron plate 2, and two insulating pipes 16 matched with the through holes penetrate through the through holes at two ends of each iron plate 2, so that all the iron plates form a grid-shaped whole, and the whole is directly placed at the bottom of the electrolytic tank 1. Optionally, in this embodiment, the joint between the insulating tube and the iron plate is further welded to make it more stable.
In another specific embodiment, an even number of U-shaped slots 17 matched with the iron plates 2 are arranged on the inner wall of the electrolytic cell 1, two walls of the U-shape are arranged on the opposite inner side walls of the electrolytic cell 1, the bottom of the U-shape is arranged on the inner surface of the bottom of the electrolytic cell 1, and the iron plates 2 are detachably arranged in the slots 17.
In a specific embodiment, the switch power supply 3 is an Aine switch power supply model AY15000HX-500, and the electrolytic tank 1 and the filter tank 9 are two independent tank-type containers. The electrolytic tank 1 and the filter tank 9 can also be arranged in a wastewater treatment tank, the interior of the tank body is separated into an upper electrolytic tank chamber and a lower filter tank chamber, the upper part of the tank body is opened to ensure that oxygen is contained in the wastewater solution of the upper electrolytic tank chamber so as to generate hydroxyl radicals through a cathode reaction, and the hydroxyl radicals react with iron ions generated by an anode to generate an iron hydroxide colloid flocculant, so that pollutants in water are effectively adsorbed and coagulated, and wastewater is purified.
When using the utility model discloses the time, its theory of operation as follows:
firstly, a switching power supply is turned on, an iron plate A is connected with the positive pole of the switching power supply to form an anode iron plate, an iron plate B is connected with the negative pole of the switching power supply to form a cathode iron plate, and the two iron plates react in an electrolytic bath as follows:
iron plate a (anode): 4Fe → 4Fe2++8e-；
Iron plate B (cathode): 4Fe2++10H2O+O2→4Fe(OH)3+8H+；
After reacting for a period of time, switching the positive and negative poles of the switching power supply, wherein one end of the switching power supply connected with the iron plate A becomes a negative pole, so that the iron plate A forms a cathode iron plate, and one end of the switching power supply connected with the iron plate B becomes a positive pole, so that the iron plate B forms an anode iron plate, and the two iron plates react in the electrolytic bath as follows:
iron plate a (cathode): 2H2O+2e-→H2+2OH-；
Iron plate B (anode): fe → Fe2++2e-；2Fe2++2OH-→4Fe(OH)2；
After the reaction is carried out for the same period of time, switching the positive electrode and the negative electrode of the switching power supply again, and circulating in such a way to ensure the consumption balance of the iron plates in the electrolytic cell, wherein Fe (OH)3And Fe (OH)2Purifying the wastewater, removing the precipitate through a filter tank, and finally discharging the wastewater meeting the environmental protection requirement after multiple cycles.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. An electrolysis and filtration wastewater treatment device is characterized by comprising an electrolysis bath with an insulated inner surface, wherein an even number of iron plates are arranged at intervals in the electrolysis bath, two adjacent iron plates form a cathode and an anode, one cathode iron plate is selected to be connected with a negative pole of a switch power supply, one anode iron plate is selected to be connected with a positive pole of the switch power supply, the positive pole and the negative pole of the switch power supply can be switched, a first water inlet is arranged at the upper end of the electrolysis bath, a first water outlet, a second water outlet and a second water inlet are arranged on the side wall of the lower end of the electrolysis bath, the second water outlet is connected with a filter tank through a first pipeline, a filter layer is arranged in the filter tank and divides the filter tank into an upper precipitation zone and a lower filtrate zone, a precipitation outlet is arranged on the side wall of the filter tank of the upper precipitation zone, and the circulating pump is connected with the water inlet II.
2. The electrolysis and filtration wastewater treatment apparatus according to claim 1, wherein the iron plates are arranged at equal intervals.
3. The electrolytic and filtered wastewater treatment apparatus of claim 1, wherein the filtering layers comprise at least three sub-filtering layers, and the pore size of each sub-filtering layer decreases from top to bottom.
4. The electrolytic and filtered wastewater treatment apparatus according to claim 3, wherein each sub-filter layer is disposed in parallel, and the sub-filter layers form an included angle of 15 ° to 30 ° with the horizontal plane.
5. The electrolysis and filtration wastewater treatment device according to claim 4, wherein the distance between each layer of sub-filtration layers is more than 20cm, the number of the precipitation discharge ports is the same as the number of the sub-filtration layers, and each precipitation discharge port is arranged on the side wall of the filtration tank near the lowest end of the horizontal position of the corresponding sub-filtration layer.
6. The electrolytic and filtered wastewater treatment apparatus of claim 3, wherein two adjacent sub-filter layers are attached to each other.
7. The electrolysis and filtration wastewater treatment device according to claim 3, wherein the inlet end of the second pipeline is provided with a filter cover, and the aperture of the filter cover is smaller than that of the filter layer at the lowest layer.
8. The electrolytic and filtered wastewater treatment apparatus of claim 1, wherein the side wall of the electrolytic cell is further provided with a chemical inlet.
9. The electrolytic and filtered wastewater treatment apparatus according to any one of claims 1 to 8, wherein each iron plate is provided with through holes at both ends thereof, and the through holes at both ends of each iron plate are penetrated by two insulating pipes fitted to the through holes, so that all the iron plates form a grid-like whole body, which is directly placed on the bottom of the electrolytic tank.
10. The electrolysis and filtration wastewater treatment apparatus according to any one of claims 1 to 8, wherein the inner wall of the electrolysis bath is provided with an even number of U-shaped slots matching with the iron plates, both walls of the U-shape are provided on the inner side walls of the electrolysis bath opposite to each other, the bottom of the U-shape is provided on the inner surface of the bottom of the electrolysis bath, and the iron plates are detachably provided in the slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055923.8U CN211394129U (en) | 2019-11-25 | 2019-11-25 | Electrolysis and filterable effluent treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055923.8U CN211394129U (en) | 2019-11-25 | 2019-11-25 | Electrolysis and filterable effluent treatment plant |
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| Publication Number | Publication Date |
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| CN211394129U true CN211394129U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922055923.8U Active CN211394129U (en) | 2019-11-25 | 2019-11-25 | Electrolysis and filterable effluent treatment plant |
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| CN (1) | CN211394129U (en) |
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