CN212151934U - Sewage treatment device of electrocatalytic oxidation equipment - Google Patents
Sewage treatment device of electrocatalytic oxidation equipment Download PDFInfo
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- CN212151934U CN212151934U CN202020727625.9U CN202020727625U CN212151934U CN 212151934 U CN212151934 U CN 212151934U CN 202020727625 U CN202020727625 U CN 202020727625U CN 212151934 U CN212151934 U CN 212151934U
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Abstract
The utility model particularly relates to a sewage treatment device of electrocatalytic oxidation equipment, which belongs to the field of sewage treatment and comprises an electrolytic reactor and a sedimentation tank which are arranged side by side, wherein the electrolytic reactor is communicated with the sedimentation tank through a self-flowing pipeline; wherein, a plurality of alloy electrode plates arranged side by side are arranged in the electrolytic reactor, the alloy electrode plates are connected on a voltage-stabilizing rectifier, and the bottom of the electrolytic reactor at the lower end of the alloy electrode plates is provided with a microporous aerator; a flocculating agent dosing tank is arranged at the upper end of the sedimentation tank and connected to the self-flowing pipeline so as to ensure that the long-term stability of the treated effluent reaches the standard; the problem of unstable effluent quality caused by random variation of influent concentration and extremely high influent organic matter concentration in the technical field of high-concentration wastewater treatment is solved, and the problems of easy passivation of electrode plates and electrodes, short replacement period of the electrode plates, high operation cost, high effluent suspension, low automation control degree and the like are solved.
Description
Technical Field
The utility model relates to a sewage treatment field specifically is an electrocatalytic oxidation equipment sewage treatment plant.
Background
The high-concentration wastewater refers to wastewater containing high-concentration organic matters generated in an industrial production process, and has the characteristics of complex components, various organic matters, high COD concentration (even hundreds of thousands of Mg/L), low B/C ratio, poor biodegradability, high salt content, high ammonia nitrogen content, high chromaticity, strong toxicity and the like, and is extremely difficult to treat.
The prior sewage treatment technology can not better remove COD, ammonia nitrogen and salt substances in the sewage and reduce the toxicity of the sewage; if the wastewater is not treated and directly discharged, the environment is greatly polluted and damaged; however, in the current sewage treatment technology, few and few sewage treatment technologies can effectively reduce high-concentration organic matters in the wastewater, and the problem of unstable effluent quality caused by random variation of inlet water concentration and extremely high concentration of inlet water organic matters in the technical field of high-concentration wastewater treatment is solved.
Therefore, aiming at the problem, the utility model provides an electrocatalytic oxidation equipment sewage treatment device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electrocatalytic oxidation equipment sewage treatment plant to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an electrocatalytic oxidation equipment sewage treatment device comprises an electrolytic reactor and a sedimentation tank which are arranged side by side, wherein the electrolytic reactor is communicated with the sedimentation tank through a self-flowing pipeline which is communicated with a guide cylinder, a baffle is arranged in the guide cylinder, and the electrolytic reactor is connected with a high-concentration wastewater pipeline;
wherein, a plurality of alloy electrode plates arranged side by side are arranged in the electrolytic reactor, the alloy electrode plates are connected on a voltage-stabilizing rectifier, and the bottom of the electrolytic reactor at the lower end of the alloy electrode plates is provided with a microporous aerator;
a flocculant dosing tank is arranged at the upper end of the sedimentation tank, connected to the gravity flow pipeline and communicated with the sedimentation tank, a slope is arranged in the sedimentation tank, and a sludge pipeline is additionally arranged at the bottom of the sedimentation tank;
then, high-concentration wastewater is discharged into the electrolytic reactor through a high-concentration wastewater pipeline, a power supply is switched on, proper current and voltage are regulated through a voltage stabilizing rectifier, and meanwhile, a microporous aerator is started to oxygenate the wastewater; the high-concentration wastewater is subjected to oxidation reaction under the conditions that electricity is used as a catalyst and oxygen is used as an oxidant, and organic matters in the wastewater are decomposed, so that the purposes of purifying the water quality and improving the biodegradability of the wastewater are achieved;
after the electrolysis is finished, the wastewater automatically flows into a guide cylinder of the sedimentation tank through an automatic flow pipeline, and a PAM flocculating agent is added into the automatic flow pipeline by using a flocculating agent adding tank, so that suspended matters in the wastewater can be well settled in the sedimentation tank; a baffle is arranged in the guide cylinder, a slope is arranged in the sedimentation tank, the mud and water can be well separated, the separated upper row is discharged to the next sewage treatment unit, and the settled sludge is regularly discharged through a sludge pipeline and is treated uniformly;
further ensuring the long-term stability of the treated effluent to reach the standard; the problem of unstable effluent quality caused by random variation of influent concentration and extremely high influent organic matter concentration in the technical field of high-concentration wastewater treatment is solved, and the problems of easy passivation of electrode plates and electrodes, short replacement period of the electrode plates, high operation cost, high effluent suspension, low automation control degree and the like are solved.
The utility model discloses further scheme: the alloy electrode plate is a titanium-aluminum alloy electrode plate.
The titanium-aluminum alloy electrode plate has the advantages of difficult passivation, low electric energy consumption, difficult consumption of electrode materials, good catalytic performance, high degradation rate of organic matters and the like.
The utility model discloses further scheme again: the voltage stabilizing rectifier is connected to the alloy electrode plate through a connecting cable.
The utility model discloses further scheme again: the voltage stabilizing rectifier is provided with a rectifier, a transformer, an oscilloscope, a time relay, a digital display voltage and current meter and an adjusting knob.
The utility model discloses further scheme again: the clockwise included angle between the slope and the horizontal plane is 30 degrees.
The utility model discloses further scheme again: the sludge pipeline is provided with a sludge pump, and the outlet end of the sludge pump is connected with a sludge tank.
The utility model discloses further scheme again: the microporous aerator is connected with an aeration pipeline, and the other end of the aeration pipeline is connected with a blower.
The microporous aerator 4 is a microporous aeration disc, the diameter of aeration holes is 5-15 μm, and the aeration amount is 0.2-0.6m3And/h, blast aeration is added during the electrolytic reaction, so that sufficient oxygen is provided for the electrolytic reaction, flocculate generated by electrolysis is prevented from being deposited between the electrode plates, the passivation of the electrode plates is further prevented, and the service life of the electrode plates is prolonged.
The utility model discloses further scheme again: the inside mixer that is equipped with additional of flocculating agent dosing tank, and flocculating agent dosing tank installs the pipe-line mixer through adding medicine pipe connection on the pipeline that flows automatically at the medicine pipe connection department of adding medicine pipe connection, installs the dosing pump on adding the medicine pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
the sewage treatment device of the electrocatalytic oxidation equipment of the utility model discharges high-concentration wastewater into the electrolytic reactor through a high-concentration wastewater pipeline, the power is switched on to adjust proper current and voltage through the voltage stabilizing rectifier, and simultaneously the micropore aerator is opened to oxygenate the wastewater; the high-concentration wastewater is subjected to oxidation reaction under the conditions that electricity is used as a catalyst and oxygen is used as an oxidant, and organic matters in the wastewater are decomposed, so that the purposes of purifying the water quality and improving the biodegradability of the wastewater are achieved; after the electrolysis is finished, the wastewater automatically flows into a guide cylinder of the sedimentation tank through an automatic flow pipeline, and a PAM flocculating agent is added into the automatic flow pipeline by using a flocculating agent adding tank, so that suspended matters in the wastewater can be well settled in the sedimentation tank; a baffle is arranged in the guide cylinder, a slope is arranged in the sedimentation tank, the mud and water can be well separated, the separated upper row is discharged to the next sewage treatment unit, and the settled sludge is regularly discharged through a sludge pipeline and is treated uniformly;
further ensuring the long-term stability of the treated effluent to reach the standard; the problem of unstable effluent quality caused by random variation of influent concentration and extremely high influent organic matter concentration in the technical field of high-concentration wastewater treatment is solved, and the problems of easy passivation of electrode plates and electrodes, short replacement period of the electrode plates, high operation cost, high effluent suspension, low automation control degree and the like are solved.
Drawings
FIG. 1 is a schematic structural view of the sewage treatment plant of the electrocatalytic oxidation apparatus of the present invention.
In the figure: 1-an electrolytic reactor; 2-a sedimentation tank; 3-an alloy electrode plate; 4-a microporous aerator; 5-a guide shell; 6-flocculant dosing tank; 7-stirring the mixture; 8-a voltage regulator rectifier; 9-a blower; 10-sludge pump; 11-a line mixer; 12-high concentration wastewater line; 13-an aeration pipe; 14-a dosing pipeline; 15-sludge pipeline; 16-a connecting cable; 17-dosing pump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
The high-concentration wastewater refers to wastewater containing high-concentration organic matters generated in an industrial production process, and has the characteristics of complex components, various organic matters, high COD concentration (even hundreds of thousands of Mg/L), low B/C ratio, poor biodegradability, high salt content, high ammonia nitrogen content, high chromaticity, strong toxicity and the like, and is extremely difficult to treat.
The prior sewage treatment technology can not better remove COD, ammonia nitrogen and salt substances in the sewage and reduce the toxicity of the sewage; if the wastewater is not treated and directly discharged, the environment is greatly polluted and damaged; however, in the current sewage treatment technology, few and few sewage treatment technologies can effectively reduce high-concentration organic matters in the wastewater, and the problem of unstable effluent quality caused by random variation of inlet water concentration and extremely high concentration of inlet water organic matters in the technical field of high-concentration wastewater treatment is solved.
Therefore, aiming at the problem, the utility model provides an electrocatalytic oxidation equipment sewage treatment device.
Specifically, as shown in fig. 1, the sewage treatment device of the electrocatalytic oxidation equipment comprises an electrolytic reactor 1 and a sedimentation tank 2 which are arranged side by side, wherein the electrolytic reactor 1 is communicated with the sedimentation tank 2 through a self-flowing pipeline, the self-flowing pipeline is communicated with a guide cylinder 5, a baffle is arranged in the guide cylinder 5, and the electrolytic reactor 1 is connected with a high-concentration wastewater pipeline 12;
wherein, a plurality of alloy electrode plates 3 arranged side by side are arranged in the electrolytic reactor 1, the alloy electrode plates 3 are connected on a voltage stabilizing rectifier 8, and the bottom of the electrolytic reactor 1 at the lower end of the alloy electrode plates 3 is provided with a microporous aerator 4;
a flocculant dosing tank 6 is arranged at the upper end of the sedimentation tank 2, the flocculant dosing tank 6 is connected to a self-flowing pipeline and communicated with the sedimentation tank 2, a slope is arranged in the sedimentation tank 2, and a sludge pipeline 15 is additionally arranged at the bottom of the sedimentation tank 2;
then, high-concentration wastewater is discharged into the electrolytic reactor 1 through a high-concentration wastewater pipeline 12, the power supply is switched on, the voltage and the current are regulated properly through the voltage-stabilizing rectifier 8, and the microporous aerator 4 is started to oxygenate the wastewater; the high-concentration wastewater is subjected to oxidation reaction under the conditions that electricity is used as a catalyst and oxygen is used as an oxidant, and organic matters in the wastewater are decomposed, so that the purposes of purifying the water quality and improving the biodegradability of the wastewater are achieved;
after the electrolysis is finished, the wastewater automatically flows into a guide flow cylinder 5 of the sedimentation tank 2 through an automatic flow pipeline, and a PAM flocculating agent is added into the automatic flow pipeline by using a flocculating agent adding tank 6, so that suspended matters in the wastewater can be well settled in the sedimentation tank 2; a baffle plate is arranged in the guide cylinder 5, a slope is arranged in the sedimentation tank 2, the mud and water can be well separated, the separated upper row is discharged to the next sewage treatment unit, and the settled sludge is regularly discharged through a sludge pipeline 15 and is treated uniformly;
further ensuring the long-term stability of the treated effluent to reach the standard; the problem of unstable effluent quality caused by random variation of influent concentration and extremely high influent organic matter concentration in the technical field of high-concentration wastewater treatment is solved, and the problems of easy passivation of electrode plates and electrodes, short replacement period of the electrode plates, high operation cost, high effluent suspension, low automation control degree and the like are solved.
For further explanation, the following are specific:
the alloy electrode plate 3 is a titanium-aluminum alloy electrode plate.
The titanium-aluminum alloy electrode plate has the advantages of difficult passivation, low electric energy consumption, difficult consumption of electrode materials, good catalytic performance, high degradation rate of organic matters and the like; the cathode and anode plates are identical, and can be used for periodically exchanging cathode and anode at interval of 30-60min, and the distance between the two electrode plates is 15-20 mm. The thickness of the electrode plate is 30mm/35mm, the width is different specifications of 800mm/400mm/900mm according to the actual condition of the water quality and quantity of the wastewater, and the height is 900 mm.
The voltage-stabilizing rectifier 8 is connected to the alloy electrode plate 3 through a connecting cable 16.
And the voltage stabilizing rectifier 8 is provided with a rectifier, a transformer, an oscilloscope, a time relay, a digital display voltage and current meter and an adjusting knob.
The clockwise included angle between the slope and the horizontal plane is 30 degrees.
The sludge pipeline 15 is provided with a sludge pump 10, and the outlet end of the sludge pipeline is connected with a sludge tank.
Example 2
The embodiment of the present invention is further defined on the basis of embodiment 1.
Referring to fig. 1, the microporous aerator 4 is connected to an aeration pipe 13, and the other end of the aeration pipe 13 is connected to the blower 9.
The microporous aerator 4 is a microporous aeration disc, the diameter of aeration holes is 5-15 μm, and the aeration amount is 0.2-0.6m3And/h, blast aeration is added during the electrolytic reaction, so that sufficient oxygen is provided for the electrolytic reaction, flocculate generated by electrolysis is prevented from being deposited between the electrode plates, the passivation of the electrode plates is further prevented, and the service life of the electrode plates is prolonged.
The inside mixer 7 that is equipped with additional of flocculating agent dosing tank 6, and flocculating agent dosing tank 6 connects on the pipeline that flows automatically through adding medicine pipeline 14, connects at the pipeline junction that flows automatically at adding medicine pipeline 14 and installs line mixer 11, installs on adding medicine pipeline 14 and adds the medicine pump 17.
The utility model discloses a theory of operation is: in the sewage treatment device of the electrocatalytic oxidation equipment, high-concentration wastewater is discharged into the electrolytic reactor 1 through the high-concentration wastewater pipeline 12, the power is switched on to adjust proper current and voltage through the voltage stabilizing rectifier 8, and the micropore aerator 4 is opened to oxygenate the wastewater; the high-concentration wastewater is subjected to oxidation reaction under the conditions that electricity is used as a catalyst and oxygen is used as an oxidant, and organic matters in the wastewater are decomposed, so that the purposes of purifying the water quality and improving the biodegradability of the wastewater are achieved; after the electrolysis is finished, the wastewater automatically flows into a guide flow cylinder 5 of the sedimentation tank 2 through an automatic flow pipeline, and a PAM flocculating agent is added into the automatic flow pipeline by using a flocculating agent adding tank 6, so that suspended matters in the wastewater can be well settled in the sedimentation tank 2; a baffle plate is arranged in the guide cylinder 5, a slope is arranged in the sedimentation tank 2, the mud and water can be well separated, the separated upper row is discharged to the next sewage treatment unit, and the settled sludge is regularly discharged through a sludge pipeline 15 and is treated uniformly; further ensuring the long-term stability of the treated effluent to reach the standard; the problem of unstable effluent quality caused by random variation of influent concentration and extremely high influent organic matter concentration in the technical field of high-concentration wastewater treatment is solved, and the problems of easy passivation of electrode plates and electrodes, short replacement period of the electrode plates, high operation cost, high effluent suspension, low automation control degree and the like are solved.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. An electrocatalytic oxidation equipment sewage treatment device comprises an electrolytic reactor (1) and a sedimentation tank (2) which are arranged side by side, and is characterized in that the electrolytic reactor (1) and the sedimentation tank (2) are communicated through a self-flowing pipeline, the self-flowing pipeline is communicated with a guide cylinder (5), a baffle is arranged in the guide cylinder (5), and the electrolytic reactor (1) is connected with a high-concentration wastewater pipeline (12);
wherein a plurality of alloy electrode plates (3) arranged side by side are arranged in the electrolytic reactor (1), the alloy electrode plates (3) are connected to a voltage stabilizing rectifier (8), and a microporous aerator (4) is arranged at the bottom of the electrolytic reactor (1) at the lower end of the alloy electrode plates (3);
and a flocculating agent dosing tank (6) is arranged at the upper end of the sedimentation tank (2), the flocculating agent dosing tank (6) is connected to the gravity flow pipeline and communicated with the sedimentation tank (2), a slope is arranged in the sedimentation tank (2), and a sludge pipeline (15) is additionally arranged at the bottom of the sedimentation tank (2).
2. The electrocatalytic oxidation equipment sewage treatment plant according to claim 1, wherein said alloy electrode plate (3) is a titanium-aluminum alloy electrode plate.
3. An electrocatalytic oxidation apparatus wastewater treatment plant according to claim 1, wherein said voltage-stabilizing rectifier (8) is connected to the alloy electrode plate (3) by a connecting cable (16).
4. The electrocatalytic oxidation equipment sewage treatment plant according to claim 1 or 3, wherein a rectifier, a transformer, an oscilloscope, a time relay, a digital display voltage and current meter and an adjusting knob are arranged on the voltage stabilizing rectifier (8).
5. The sewage treatment device of the electrocatalytic oxidation device as set forth in claim 1, wherein the angle between the slope and the horizontal plane is 30 degrees clockwise.
6. The sewage treatment device of the electrocatalytic oxidation device according to claim 1, wherein a sludge pump (10) is arranged on the sludge pipeline (15), and a sludge tank is connected to the outlet end of the sludge pipeline.
7. An electrocatalytic oxidation plant wastewater treatment apparatus according to claim 1, wherein an aeration pipe (13) is connected to said micro-porous aerator (4), and the other end of said aeration pipe (13) is connected to said blower (9).
8. The sewage treatment device of the electrocatalytic oxidation equipment as set forth in claim 1, wherein a stirrer (7) is additionally installed inside the flocculant dosing tank (6), the flocculant dosing tank (6) is connected to a gravity flow pipeline through a dosing pipeline (14), a pipeline mixer (11) is installed at the connection position of the dosing pipeline (14) and the gravity flow pipeline, and a dosing pump (17) is installed on the dosing pipeline (14).
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| CN202020727625.9U CN212151934U (en) | 2020-05-07 | 2020-05-07 | Sewage treatment device of electrocatalytic oxidation equipment |
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| CN202020727625.9U CN212151934U (en) | 2020-05-07 | 2020-05-07 | Sewage treatment device of electrocatalytic oxidation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115521022A (en) * | 2022-09-21 | 2022-12-27 | 陕西尚远水务有限公司 | Pre-concentration separation process for sewage by comprehensive utilization of water resources |
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- 2020-05-07 CN CN202020727625.9U patent/CN212151934U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115521022A (en) * | 2022-09-21 | 2022-12-27 | 陕西尚远水务有限公司 | Pre-concentration separation process for sewage by comprehensive utilization of water resources |
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