CN215250175U - Device for catalytically oxidizing organic wastewater by using ultrasonic synergistic micro-electrolysis activated persulfate - Google Patents
Device for catalytically oxidizing organic wastewater by using ultrasonic synergistic micro-electrolysis activated persulfate Download PDFInfo
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- CN215250175U CN215250175U CN202121731682.5U CN202121731682U CN215250175U CN 215250175 U CN215250175 U CN 215250175U CN 202121731682 U CN202121731682 U CN 202121731682U CN 215250175 U CN215250175 U CN 215250175U
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Abstract
The utility model provides a device for catalytically oxidizing organic wastewater by using ultrasound and micro-electrolysis activated persulfate, which comprises a box body, a micro-electrolysis chamber arranged in the box body, an ultrasonic generation unit, a stirring unit, a persulfate slow-release device arranged at the top of the box body and a power module; lay a plurality of groups of plate electrodes in the little electrolysis chamber, set up the spray plate between every group plate electrode, the persulfate sustained-release devices passes through the water pump, pipeline and spray plate intercommunication, one side bottom of box is equipped with circular netted water inlet, little electrolysis chamber is connected with circular netted water inlet, one side top that circular netted water inlet was kept away from to little electrolysis chamber is equipped with the opening, near little electrolysis chamber is located to ultrasonic wave generating unit and stirring unit, power module and water pump, stirring unit, ultrasonic wave generating unit, little electrolysis chamber is connected in order to provide working power supply. The utility model discloses economical and practical, safe and reliable, the persulfate of use easily transports and stores, and the operation is maintained simply, is applicable to the improvement of poisonous organic pollutant in the waste water.
Description
Technical Field
The utility model relates to a water environment purifies the field, specifically is a device of little electrolysis activation persulfate catalytic oxidation organic waste water is in coordination with supersound.
Background
Organic wastewater generated in the pharmaceutical, chemical and printing and dyeing industries frequently detects refractory toxic organic pollutants such as drugs and personal care products (such as antibiotics, estrogens and the like), endocrine disruptors (such as phthalates, polycyclic aromatic hydrocarbons and the like) and organic chemical pollutants (nitrobenzene, chlorobenzene and the like), and the like, but the traditional treatment process is difficult to effectively remove the pollutants, thereby causing great threat to drinking water safety guarantee and ecological environment. At present, the advanced oxidation technology has great advantages aiming at the degradation and removal of the toxic organic pollutants. The sulfate radical based activated persulfate oxidation technology is a rapid advanced oxidation technology which is researched and developed in recent years, and has a good practical application prospect.
Currently, activating persulfate can be accomplished by different routes, such as ultrasonic, thermal, optical, electrical, and transition metal activation, among others. The invention discloses a water treatment method for controlling halogenated disinfection byproducts, which is a water treatment method (application number: CN201710050366.3) for controlling halogenated disinfection byproducts by catalyzing persulfate through pipe wall corrosives, and the water treatment method is characterized in that during disinfection treatment by adding liquid chlorine or chloramine into water to be treated, persulfate solution is added at the same time, stirring is carried out, sulfate radicals generated by catalyzing persulfate through pipe wall corrosives (iron pipes) are used for carrying out oxidative degradation on the halogenated disinfection byproducts, efficient conversion and detoxification of the halogenated disinfection byproducts are realized, the operation is simple and convenient, and the treatment cost is low. The treatment method is mainly applied to the high-efficiency conversion and detoxification of the halogenated disinfection byproducts in the water supply network water body, and is not suitable for the treatment of toxic organic pollutants in wastewater.
In the utility model entitled "a solar-powered persulfate activation sustained-release device (application number: CN 201520318462.8)", a solar-powered persulfate activation sustained-release device is disclosed. The device is with solar energy transformation heat energy, carries out thermal activation to persulfate, produces the sulfate radical free radical that has strong oxidizing property, and the slowly-releasing body that contains persulfate can slowly, continuously release persulfate, is applicable to getting rid of low concentration difficult degradation organic pollutant among the groundwater. However, the device has a single treatment mode, only activates persulfate through heat energy drive, has low oxidant utilization rate, and is not suitable for treating toxic organic pollutants in wastewater.
In the invention, an electrochemical cathode activated persulfate method for degrading organic pollutants in water (application number: CN201310311041.8), a method for electrochemically degrading organic pollutants in water is disclosed. This patent is during injecting negative/positive electrode pair reactor with pending organic matter pollution water, then throws the persulfate, then handles under the concentration of certain persulfate and certain cathode electrode voltage, accomplishes the water treatment that the pending organic matter pollutes promptly, need not throw and add any chemical agent and activate the persulfate, can avoid secondary pollution and sludge volume big scheduling problem, and the energy consumption is low, accomplishes the activation of persulfate under less energy input's condition. The patent only provides a method for electrochemically activating persulfate, and does not describe how to improve the utilization rate of persulfate and design a corresponding device or equipment for treating polluted water.
In the title of the invention, a persulfate activation method for wastewater treatment (application No. CN201610460115.8), a method for treating organic pollutants in wastewater by activating persulfate with ultrasonic waves and zero-valent iron was disclosed. The patent is that zero-valent iron and persulfate are added into wastewater containing organic pollutants and react in an ultrasonic environment, and the persulfate is activated to generate strong active free radicals (such as SO) under the synergistic action of the ultrasonic and the zero-valent iron4 ﹣OH, etc.) to degrade toxic organic pollutants in the water body. The patent adds zero-valent iron to cause iron mud in a reaction systemThe existence of the (B) and the possible existence of secondary pollution, certain limitation in the treatment of organic toxic pollutants in the wastewater, and in addition, how to construct a proper wastewater treatment device is not described.
From the above patents, electrochemical or ultrasonic wave is more and more regarded as an environment-friendly technology in water treatment, and the existing research has proved that the electrochemical or ultrasonic wave method has a good effect on activating persulfate, but no device for catalytically oxidizing organic wastewater by using persulfate which is flexible, simple, convenient, mature and efficient is provided at present. In view of this, it is necessary to develop a treatment device for the toxic organic pollutants in the wastewater, which can efficiently, safely, flexibly and efficiently catalyze and oxidize the organic wastewater.
Disclosure of Invention
The utility model aims at providing a convenient nimble, easy operation's a device of little electrolysis activation persulfate catalytic oxidation organic waste water in coordination of supersound, the high efficiency produces the sulfate radical free radical, effectively degrades and gets rid of poisonous organic pollutant in the waste water.
A device for catalytically oxidizing organic wastewater by using persulfate through ultrasonic synergistic micro-electrolysis activation comprises a box body, a micro-electrolysis chamber, an ultrasonic generation unit, a stirring unit, a persulfate slow-release device and a power supply module, wherein the micro-electrolysis chamber is arranged in the box body; lay a plurality of groups of plate electrodes in the little electrolysis chamber, set up the spray plate between every group plate electrode, persulfate sustained-release devices passes through water pump, pipeline and spray plate intercommunication, and one side bottom of box is equipped with circular netted water inlet, and little electrolysis chamber is connected with circular netted water inlet, and one side top that circular netted water inlet was kept away from to little electrolysis chamber is equipped with the opening, and near little electrolysis chamber is located to ultrasonic wave generating unit and stirring unit, power module is connected in order to provide working power supply with water pump, stirring unit, ultrasonic wave generating unit, little electrolysis chamber.
Furthermore, a flow meter is arranged on a pipeline between the persulfate slow-release device and the micro-electrolysis chamber.
Furthermore, the power module comprises a protective cover, and a lithium battery and a voltage-stabilized power supply which are arranged in the protective cover.
Furthermore, a movable panel is arranged at the upper end of the box body.
Furthermore, one side of the box body, which is opposite to the round netted water inlet, is provided with a first water outlet and a second water outlet, and the first water outlet and the second water outlet are arranged up and down.
Furthermore, a plurality of baffles are arranged in the micro-electrolysis chamber, the micro-electrolysis chamber is divided into a plurality of independent electrochemical working units through the baffles, and positive and negative electrode plates are arranged in the electrochemical working units.
Furthermore, the distance between the positive electrode plate and the negative electrode plate is 5-10 cm.
Furthermore, the baffle plates are sequentially grooved at the upper end and the lower end from right to left.
Furthermore, the distance between two adjacent ultrasonic generators in the ultrasonic generating unit is not more than l m, the depth of the ultrasonic generator submerged in water is more than 0.5m, the ultrasonic is reflected in the horizontal direction, the ultrasonic frequency is 20-1000kHZ, and the ultrasonic density is 40-300W/cm2。
Furthermore, an anode electrode of an electrode plate in the micro-electrolysis chamber adopts a platinum-plated anode, a boron-doped diamond anode or a polytetrafluoroethylene-carbon anode, and a cathode electrode adopts a stainless steel electrode.
The persulfate used by the utility model is easy to transport and store and convenient to maintain; based on little current electrolysis and ultrasonic treatment technical coupling in coordination activate persulfate, improve the persulfate utilization ratio, poisonous organic pollutant in the high-efficient degradation processing waste water need not additionally to add other catalytic material, avoids the production of iron mud and the secondary pollution who causes in the reaction system, and the device convenient to use has convenient nimble, characteristics that the practicality is strong, can be used to poisonous organic pollution in the waste water high-efficiently get rid of, and application prospect is extensive.
Drawings
FIG. 1 is a front view of the device for catalytically oxidizing organic wastewater by using the ultrasonic synergistic micro-electrolysis activated persulfate of the utility model;
FIG. 2 is a top view of the apparatus for catalytically oxidizing organic wastewater by using the ultrasonic synergistic micro-electrolysis activated persulfate according to the present invention;
FIG. 3 is a three-dimensional structure diagram of the micro-electrolysis chamber of the present invention;
FIG. 4 is a schematic structural diagram of an electrode plate in a micro-electrolysis chamber according to the present invention;
fig. 5 is a schematic structural view of a spray plate in a micro-electrolysis chamber according to the present invention.
In the figure: the device comprises a circular net water inlet, a 2-persulfate slow release device, a 3-water pump, a 4-flowmeter, a 5-lithium battery, a 6-stabilized power supply, a 7-ultrasonic generation unit, a 8-stirring unit, a 9-micro electrolysis chamber, a 10-electrode plate, a 11-spraying plate, a 12-moving panel, a 13-first water outlet, a 14-second water outlet, a 15-baffle, a 16-protective cover and a 17-box body.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the embodiment of the utility model provides a device of little electrolysis activation persulfate catalytic oxidation organic waste water is in coordination with supersound, including box 17, be equipped with little electrolysis chamber 9, ultrasonic wave generating unit 7, stirring unit 8 in the box 17 and locate persulfate sustained-release devices 2, the power module at box 17 top.
A plurality of groups of electrode plates 10 are arranged in the micro-electrolysis chamber 9, a spray plate 11 is arranged between each group of electrode plates 10, a persulfate slow-release device 2 is communicated with the spray plate 11 through a water pump 3 and a pipeline, persulfate is stored in the persulfate slow-release device 2, and the persulfate can be sodium Persulfate (PDS), Potassium Monopersulfate (PMS) or a uniformly mixed solution prepared by the sodium persulfate and the potassium monopersulfate according to a certain proportion.
The persulfate solution is directly sprayed between the electrode plates 10 through the spraying plates 11, so that the acting range of the persulfate solution on the electrode plates 10 is ensured. And a flow meter 4 is also arranged on the pipeline between the persulfate slow-release device 2 and the micro-electrolysis chamber 9 and used for monitoring the flow of the persulfate solution in real time.
The bottom of one side of the box body 17 is provided with a round net-shaped water inlet 1, and the micro-electrolysis chamber 9 is connected with the round net-shaped water inlet 1 so as to be accessed with the organic wastewater to be treated. An opening is formed in the top of the left side of the micro-electrolysis chamber 9, persulfate is continuously electrolyzed and activated through a plurality of groups of electrode plates 10, and the treated wastewater flows out from the top of the left side of the micro-electrolysis chamber 9.
Ultrasonic wave generating unit 7 and stirring unit 8 are located near little electrolysis chamber 9, and waste water rethread ultrasonic wave generating unit 7 after handling by little electrolysis chamber 9 further activates the persulfate, and waste water accelerates active substance's diffusion through stirring unit 8, improves the persulfate utilization ratio, and poisonous organic pollutant in the waste water is got rid of in the high-efficient degradation.
The power module comprises a protective cover 16, a lithium battery 5 and a stabilized voltage power supply 6 which are arranged in the protective cover 16, wherein the lithium battery 5 and the stabilized voltage power supply 6 are used for providing working power for a motor in the water pump 3 and the stirring unit 8, the ultrasonic generation unit 7 and the electrode plate 10 in the micro-electrolysis chamber 9.
The box 17 upper end is equipped with removal panel 12, is convenient for sample and observe the processing waste water condition, and one side of the netted water inlet of circular relatively 1 is equipped with first delivery port 13 and second delivery port 14, and first delivery port 13 and second delivery port 14 are setting from top to bottom, and the netted water inlet of circular 1 is used for the entering of the waste water that contains the poisonous organic pollutant, and first delivery port 13 and second delivery port 14 are used for purifying the discharge of back water, and wherein the netted water inlet of circular 1 adopts tiny mesh screen, prevents to handle debris among the waste water and gets into the quality of water clean room.
Referring to fig. 3 and 4, the anode electrode of the electrode plate 10 in the micro-electrolysis chamber 9 is a dimensionally stable anode such as a platinum-plated anode, a boron-doped diamond anode, and a polytetrafluoroethylene-carbon anode, and the cathode electrode is a stainless steel electrode with stable properties, and the electrodes are rectangular (100 cm long × 40cm wide).
Referring to fig. 3, a plurality of baffles 15 are arranged in the micro-electrolysis chamber 9 at certain intervals, the micro-electrolysis chamber 9 is divided into a plurality of independent electrochemical working units by the baffles 15, positive and negative electrode plates 10 are arranged in the electrochemical working units, the interval between the electrode plates 10 is kept to be 5-10cm (10 cm in this embodiment), the baffles 15 are grooved at the upper end and the lower end respectively from right to left in sequence, water is continuously treated by the electrochemical working units, the retention time of wastewater in the micro-electrolysis chamber 9 is increased, and the persulfate is sufficiently electrochemically activated.
The micro-electrolysis chamber 9 is provided with a plurality of groups of electrodesAfter the plate 10 is continuously micro-current-charged, the treated water body flows out from the top of the left side of the micro-electrolysis chamber 9, and the current density is more than 10mA/cm2(ii) a Then passing through an ultrasonic wave generating unit 7, the distance between two adjacent ultrasonic wave generators is not more than l m, the immersion depth is more than 0.5m, the ultrasonic wave is reflected in the horizontal direction, the ultrasonic frequency is 20-1000kHZ (about 600kHZ in the embodiment), and the ultrasonic density is 40-300W/cm2(this embodiment sets up to about 170W/cm2), open the supersound, the persulfate produces active substance under the ultrasonic wave effect, through opening stirring unit 8, ensures that water active substance can spread fast, and the poisonous organic pollutant in the water further accomplishes the mineralization degradation after ultrasonic wave pyrolysis, free radical oxidation effect react.
The water containing toxic organic pollutants is treated by micro-electrolysis and ultrasonic synergistic activation persulfate, and finally flows out of the first water outlet 13, but when the organic pollution degree of the wastewater is higher, the circular net-shaped water inlet 1, the first water outlet 13 and the second water outlet 14 can be closed, long-time electric activation synergistic ultrasonic treatment is carried out, and after the water quality meets the requirement, the water is directly discharged from the second water outlet 14.
The utility model discloses at first through the positive negative electrode activation persulfate of little electrolysis chamber 9, lay a plurality of baffles 15 in the little electrolysis chamber, increase pending waste water and the action time of positive negative electrode, use through the cooperation of persulfate slow-release devices 2 and spray plate 11 in addition, make persulfate solution spray between positive negative spray plate 11 accurately, improve the persulfate utilization efficiency; the waste water after micro-electrolysis treatment further activates persulfate through the ultrasonic generation unit 7, and the diffusion of active substances is accelerated through the stirring unit 8, so that the aim of efficiently removing toxic organic pollutants in the waste water is fulfilled.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a device of supersound is little electrolysis activation persulfate catalytic oxidation organic waste water in coordination which characterized in that: the ultrasonic wave; lay a plurality of groups of plate electrodes in the little electrolysis chamber, set up the spray plate between every group plate electrode, persulfate sustained-release devices passes through water pump, pipeline and spray plate intercommunication, and one side bottom of box is equipped with circular netted water inlet, and little electrolysis chamber is connected with circular netted water inlet, and one side top that circular netted water inlet was kept away from to little electrolysis chamber is equipped with the opening, and near little electrolysis chamber is located to ultrasonic wave generating unit and stirring unit, power module is connected in order to provide working power supply with water pump, stirring unit, ultrasonic wave generating unit, little electrolysis chamber.
2. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 1, wherein: and a flowmeter is arranged on a pipeline between the persulfate slow-release device and the micro-electrolysis chamber.
3. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 1, wherein: the power module comprises a protective cover, a lithium battery and a voltage-stabilized power supply, wherein the lithium battery and the voltage-stabilized power supply are arranged in the protective cover.
4. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 1, wherein: the upper end of the box body is provided with a movable panel.
5. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 1, wherein: one side of the box body, which is opposite to the round reticular water inlet, is provided with a first water outlet and a second water outlet which are arranged up and down.
6. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 1, wherein: the micro-electrolysis chamber is internally provided with a plurality of baffles, the micro-electrolysis chamber is divided into a plurality of independent electrochemical working units through the baffles, and positive and negative electrode plates are distributed in the electrochemical working units.
7. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 1 or 6, wherein: the distance between the positive electrode plate and the negative electrode plate is 5-10 cm.
8. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 6, wherein: the baffle plates are sequentially grooved at the upper end and the lower end from right to left.
9. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 1, wherein: the distance between two adjacent ultrasonic generators in the ultrasonic generating unit is not more than lm, the immersion depth is more than 0.5m, ultrasonic waves are reflected in the horizontal direction, the ultrasonic frequency is 20-1000kHZ, and the ultrasonic density is 40-300W/cm2。
10. The device for catalytically oxidizing organic wastewater by using the ultrasonic synergetic micro-electrolysis activated persulfate as claimed in claim 1, wherein: the anode electrode of the electrode plate in the micro-electrolysis chamber adopts a platinum-plated anode, a boron-doped diamond anode or a polytetrafluoroethylene-carbon anode, and the cathode electrode adopts a stainless steel electrode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121731682.5U CN215250175U (en) | 2021-07-28 | 2021-07-28 | Device for catalytically oxidizing organic wastewater by using ultrasonic synergistic micro-electrolysis activated persulfate |
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| CN202121731682.5U CN215250175U (en) | 2021-07-28 | 2021-07-28 | Device for catalytically oxidizing organic wastewater by using ultrasonic synergistic micro-electrolysis activated persulfate |
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