CN212174534U - Oily waste water electrolysis device - Google Patents
Oily waste water electrolysis device Download PDFInfo
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- CN212174534U CN212174534U CN202020223607.7U CN202020223607U CN212174534U CN 212174534 U CN212174534 U CN 212174534U CN 202020223607 U CN202020223607 U CN 202020223607U CN 212174534 U CN212174534 U CN 212174534U
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Abstract
The utility model discloses an oily wastewater electrolysis device, which comprises an electrolytic bath, a cooling bath, a coagulation bath and a precipitation bath which are connected in sequence, wherein the upper part of the electrolytic bath is provided with a wastewater inlet and a graphite powder inlet, and an even number of ferroelectric polar plates which are distributed at even intervals are arranged in the electrolytic bath; a plurality of detachable partition plates are arranged in the cooling tank, the partition plates are distributed in parallel from the electrolytic tank to the coagulation tank, and the height of the partition plate closer to the coagulation tank is lower; the coagulation tank is connected with a PAM dosing device, the PAM dosing device comprises a stirring tank, a feed port is formed in the top of the stirring tank, the feed port is connected with a discharge port of a PAM storage tank, a flow regulating valve is arranged between the PAM storage tank and the feed port, and a liquid outlet of the stirring tank is connected with the coagulation tank; the upper part of the precipitation tank is provided with a clear liquid outlet, and the lower part of the precipitation tank is provided with a sludge outlet. The utility model discloses can carry out electrolytic treatment to waste water, get rid of the harmful substance in the waste water, purify waste water.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to an oily wastewater electrolysis device.
Background
Along with the improvement of living standard of people, the development of technology, the requirement of environmental protection is more and more strict, and the waste water that most factories directly discharged at present can not reach the requirement of environmental protection, therefore need carry out preliminary treatment to waste water earlier. The conventional wastewater treatment method includes a physical treatment method of separating and recovering insoluble suspended pollutants in wastewater by physical action, a chemical treatment method of separating and removing dissolved and colloidal pollutants in wastewater by chemical reaction and mass transfer or converting the pollutants into harmless substances, a biological treatment method of converting organic pollutants in solution, colloid and fine suspended state in wastewater into stable and harmless substances by the metabolic action of microorganisms, or a combination of several methods.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to an oil-containing wastewater electrolysis apparatus, which can perform preliminary treatment on wastewater to reduce the content of organic pollutants in wastewater.
The technical scheme of the utility model as follows:
an oily wastewater electrolysis device comprises an electrolytic bath, a cooling bath, a coagulation bath and a precipitation bath which are connected in sequence, wherein the upper part of the electrolytic bath is provided with a wastewater inlet and a graphite powder inlet, and an even number of ferroelectric plates which are uniformly distributed at intervals are arranged in the electrolytic bath; a plurality of detachable partition plates are arranged in the cooling tank, the partition plates are distributed in parallel from the electrolytic tank to the coagulation tank, and the height of the partition plate closer to the coagulation tank is lower; the coagulation tank is connected with a PAM dosing device, the PAM dosing device comprises a stirring tank, a feed port is formed in the top of the stirring tank, the feed port is connected with a discharge port of a PAM storage tank, a flow regulating valve is arranged between the PAM storage tank and the feed port, and a liquid outlet of the stirring tank is connected with the coagulation tank; the upper part of the precipitation tank is provided with a clear liquid outlet, and the lower part of the precipitation tank is provided with a sludge outlet.
Preferably, the voltage between the two iron electrode plates is controlled within the range of 10V-15V.
Preferably, the electrolysis time of the same batch of wastewater in the electrolytic cell is 2 hours.
Preferably, the distance between two adjacent iron electrode plates is 4 cm.
Preferably, at least one baffle is arranged in the sedimentation tank to divide the sedimentation tank into a plurality of sedimentation zones, the lower part of each sedimentation zone is provided with a sludge discharge port, and the clear liquid discharge port is arranged at one end far away from the waste water inlet of the sedimentation tank; the top of the baffle is provided with a radian which is bent from the wastewater inlet of the sedimentation tank to the clear liquid outlet; when the baffle is provided with a plurality of blocks, the height of the baffle is higher when the baffle is closer to the clear liquid discharge port.
Preferably, a cleaning rod is arranged above the electrolytic cell, and a brush is arranged on the cleaning rod.
The utility model has the advantages that:
the utility model can carry out the electrolytic purification treatment on the wastewater by the electrolytic tank, reduce the organic pollutants and the chromaticity in the wastewater, and increase the conductivity by utilizing the graphite powder in the electrolytic process, thereby greatly shortening the electrolytic time and reducing the sludge amount; the electrolyzed wastewater can be cooled through the cooling tank, wherein the detachable partition plate can accelerate the cooling speed and can perform preliminary precipitation on the electrolyzed wastewater; the waste water can be coagulated through the coagulation tank, and the PAM dosing device can facilitate a user to control the concentration and the dosage of PAM according to the waste water quantity; the precipitation device can precipitate the coagulated wastewater, so that a treated clear liquid is obtained.
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 structural view of the oily wastewater electrolysis device of the present invention;
FIG. 2 is a schematic structural view of an embodiment of an electrolytic cell of the oily wastewater electrolyzer of the present invention;
FIG. 3 is a schematic structural view of an embodiment of a cooling tank of the oily wastewater electrolysis device of the present invention;
FIG. 4 is a schematic structural view of another embodiment of the cooling tank of the oily wastewater electrolysis device of the present invention.
Reference numbers in the figures:
1-electrolytic tank, 101-wastewater inlet, 102-graphite powder inlet, 103-ferroelectric plate, 104-cleaning rod, 105-brush, 2-cooling tank, 201-chute, 3-coagulation tank, 4-precipitation tank, 5-clapboard, 501-main clapboard, 502-handle, 503-connecting plate, 6-PAM dosing device, 601-stirring tank, 602-feeding port, 603-PAM storage tank, 604-flow regulating valve, 7-clear liquid outlet, 8-sludge outlet and 9-baffle.
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. 1-4, an oil-containing wastewater electrolysis device comprises an electrolysis bath 1, a cooling bath 2, a coagulation bath 3 and a precipitation bath 4 which are connected in sequence, wherein a wastewater inlet 101 and a graphite powder inlet 102 are arranged at the upper part of the electrolysis bath 1, and an even number of ferroelectric plates 103 which are uniformly distributed at intervals are arranged in the electrolysis bath 1; a plurality of detachable partition plates 5 are arranged in the cooling tank 2, the partition plates 5 are distributed in parallel from the electrolytic tank 1 to the coagulation tank 3, and the height of the partition plate 5 which is closer to the coagulation tank 3 is lower; the coagulation tank 3 is connected with a PAM dosing device 6, the PAM dosing device 6 comprises a stirring tank 601, a feeding hole 602 is formed in the top of the stirring tank 601, the feeding hole 602 is connected with a discharging hole of a PAM storage tank 603, a flow regulating valve 604 is arranged between the PAM storage tank 603 and the feeding hole 602, and a liquid outlet of the stirring tank 601 is connected with the coagulation tank 3; the upper part of the sedimentation tank 4 is provided with a clear liquid outlet 7, and the lower part of the sedimentation tank 4 is provided with a sludge outlet 8.
Optionally, sliding grooves 201 are formed in two opposite sides of the inner wall of the cooling tank 2, and the partition plate 5 is detachably disposed in the cooling tank 2 through the sliding grooves 201.
Optionally, the partition 5 comprises a main partition 501 and two handles 502, the main partition 501 is connected with the two handles 502 through a connecting plate 503, the connecting plate 503 is perpendicular to the main partition 501 and the handles 502, respectively, and the lower surface of the handle 502 is placed on the upper surface of the side wall of the cooling tank 2.
In a specific embodiment, the electrolytic cell 1 is designed to have a length of 2m, a width of 1m and a height of 1.5m, a ferroelectric plate 103 is placed in the electrolytic cell 1 at intervals of 4cm, the length of the ferroelectric plate 103 is 1.5m and the width of the ferroelectric plate is 1m, the anode of a power supply is connected with the leftmost ferroelectric plate, the cathode of the power supply is connected with the rightmost ferroelectric plate, and the voltage between the two ferroelectric plates is controlled within a range of 10V-15V.
Alternatively, the electrolysis time of the same batch of wastewater in the electrolytic cell is 2 hours.
Alternatively, the wastewater may be treated continuously.
In another specific embodiment, at least one baffle 9 is arranged in the sedimentation tank 4 to divide the sedimentation tank 4 into a plurality of sedimentation zones, the lower part of each sedimentation zone is provided with a sludge discharge port 8, and the clear liquid discharge port 7 is arranged at one end far away from the waste water inlet of the sedimentation tank 4; the top of the baffle 9 is provided with a radian which is bent from the wastewater inlet of the sedimentation tank 4 to the clear liquid outlet 7; when the baffle plate 9 is provided in plural, the height of the baffle plate 9 becomes higher as it is closer to the clear liquid discharge port 7.
In another specific embodiment, a cleaning rod 104 is arranged above the electrolytic cell 1, a brush 105 is arranged on the cleaning rod 104, optionally, the brush 105 is located in the middle section of the cleaning rod 104, and both ends of the cleaning rod 104 are arranged on the top of the side wall of the electrolytic cell 1.
Optionally, the cleaning rod is connected with a linear reciprocating motor (not shown in the figure), so that the cleaning rod can linearly reciprocate above the electrolytic bath, and each electrode plate is conveniently cleaned.
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 (5)
1. An oily wastewater electrolysis device is characterized by comprising an electrolysis bath, a cooling bath, a coagulation bath and a precipitation bath which are connected in sequence, wherein the upper part of the electrolysis bath is provided with a wastewater inlet and a graphite powder inlet, and an even number of ferroelectric plates which are uniformly distributed at intervals are arranged in the electrolysis bath; a plurality of detachable partition plates are arranged in the cooling tank, the partition plates are distributed in parallel from the electrolytic tank to the coagulation tank, and the height of the partition plate closer to the coagulation tank is lower; the coagulation tank is connected with a PAM dosing device, the PAM dosing device comprises a stirring tank, a feed port is formed in the top of the stirring tank, the feed port is connected with a discharge port of a PAM storage tank, a flow regulating valve is arranged between the PAM storage tank and the feed port, and a liquid outlet of the stirring tank is connected with the coagulation tank; the upper part of the precipitation tank is provided with a clear liquid outlet, and the lower part of the precipitation tank is provided with a sludge outlet.
2. The oily wastewater electrolysis device according to claim 1, wherein the voltage between the two iron electrode plates is controlled within the range of 10V to 15V.
3. The oily wastewater electrolysis device according to claim 1, wherein the distance between two adjacent iron electrode plates is 4 cm.
4. The oily wastewater electrolysis device according to claim 1, wherein at least one baffle is arranged in the precipitation tank to divide the precipitation tank into a plurality of precipitation zones, a sludge discharge port is arranged at the lower part of each precipitation zone, and the clear liquid discharge port is arranged at one end far away from the wastewater inlet of the precipitation tank; the top of the baffle is provided with a radian which is bent from the wastewater inlet of the sedimentation tank to the clear liquid outlet; when the baffle is provided with a plurality of blocks, the height of the baffle is higher when the baffle is closer to the clear liquid discharge port.
5. The oily wastewater electrolysis device according to any one of claims 1 to 4, wherein a cleaning rod is arranged above the electrolysis bath, and a brush is arranged on the cleaning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223607.7U CN212174534U (en) | 2020-02-28 | 2020-02-28 | Oily waste water electrolysis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223607.7U CN212174534U (en) | 2020-02-28 | 2020-02-28 | Oily waste water electrolysis device |
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| CN212174534U true CN212174534U (en) | 2020-12-18 |
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| CN202020223607.7U Active CN212174534U (en) | 2020-02-28 | 2020-02-28 | Oily waste water electrolysis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794522A (en) * | 2021-04-01 | 2021-05-14 | 湖南夏朗环保科技有限公司 | Organic wastewater pretreatment device and method |
| CN113072219A (en) * | 2021-03-26 | 2021-07-06 | 江西清绿环保有限公司 | High-efficiency treatment system for restaurant wastewater |
-
2020
- 2020-02-28 CN CN202020223607.7U patent/CN212174534U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072219A (en) * | 2021-03-26 | 2021-07-06 | 江西清绿环保有限公司 | High-efficiency treatment system for restaurant wastewater |
| CN112794522A (en) * | 2021-04-01 | 2021-05-14 | 湖南夏朗环保科技有限公司 | Organic wastewater pretreatment device and method |
| CN112794522B (en) * | 2021-04-01 | 2021-07-06 | 湖南夏朗环保科技有限公司 | Organic wastewater pretreatment device and method |
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