CN108101159A - A kind of high-pressure medium barrier discharge plasma wastewater treatment equipment - Google Patents
A kind of high-pressure medium barrier discharge plasma wastewater treatment equipment Download PDFInfo
- Publication number
- CN108101159A CN108101159A CN201810037138.7A CN201810037138A CN108101159A CN 108101159 A CN108101159 A CN 108101159A CN 201810037138 A CN201810037138 A CN 201810037138A CN 108101159 A CN108101159 A CN 108101159A
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- Prior art keywords
- wastewater treatment
- discharge
- pressure medium
- treatment equipment
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000004888 barrier function Effects 0.000 title claims abstract description 22
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000005276 aerator Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000005273 aeration Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 239000012774 insulation material Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 239000011149 active material Substances 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003295 industrial effluent Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses it is a kind of it is new from cooling, short route, low cost high pressure surface dielectric barrier discharge plasma wastewater treatment device.Device mainly includes water tank, discharge assembly, air supply system, aerator.Discharge assembly will be integrally put in water accessing pending water by the present invention, is cooled down discharge cell using accessing pending water, is reduced the temperature of discharge space, improves the yield of active material.Meanwhile high-field electrode of the invention is close to the inner wall of dielectric cylinder, the heat for generation of discharging is concentrated mainly on the near wall of insulated dielectric tube, is conducive to the cooling of electric discharge device.To setting air outlet pipe and air intake branch to stagger arrangement in the axial direction of the dielectric stack shell of the present invention, relatively, and gas is short in the residence time of discharge space, can effectively reduce active material and be discharged process destruction for the gas residence time in all discharge spaces.
Description
Technical field
It is mainly used as being harmful in indegradable industrial effluent pollutant removal, source water and life stain disease belonging to the present invention micro-
The high-pressure medium barrier discharge plasma device of biocidal.
Background technology
Application prospect of the high-voltage discharge plasma technology in environmental protection, especially wastewater treatment is more and more
People has an optimistic view of.High-voltage discharge plasma is considered as a kind of efficient, clean pollutant process technology, it by free-radical oxidation,
A variety of effects such as ozone oxidation, ultraviolet photolysis, high energy electron bombardment, ultrasonic effect, overcritical effect, local heat effect combine in one
Body can effectively remove nearly all organic pollution in waste water, especially in waste water in terms of the removal of persistent organic pollutants
Effect is apparent.
Dielectric barrier discharge plasma belongs to one kind in electrion plasma technology.By in high-pressure stage and ground connection
At least one piece of dielectric is placed between pole, the transmission path that electric current is conducted in discharge process is blocked, so as to limit discharge current
Growth.The principal mode of dielectric barrier discharge can maintain corona discharge and ebb-flow discharge state, the generation effect of active material
Rate is high, has important practical value and wide application prospect in environmental pollution improvement.
The generation efficiency of traditional dielectric barrier discharge plasma active material is limited to the temperature of discharge space.Electric discharge
Space temperature is too high, then the decomposition rate of the active material of generation of discharging in discharge space is too fast, for pollutant removal
Active material is reduced, and ultimately results in waste water, the efficiency and rate reduction of exhaust-gas treatment.Therefore, in traditional dielectric barrier discharge
It is required for setting cooling unit in reactor, including chuck water cooling, strengthens air-cooled, liquid nitrogen cooling etc., as a result cause apparatus structure
The problems such as complicated, volume increase, energy consumption improve, efficiency reduces.In addition, industrial dielectric barrier discharge is due to gas
Long in the residence time of discharge space, the active material that guiding discharge generates largely is decomposed by subsequent electric discharge, is further dropped
The generation efficiency and contaminant removal efficiency of low activity substance.So exploitation a kind of new cooling, short route, low cost certainly
Dielectric barrier discharge water treatment device have great importance.
The content of the invention
Stop the deficiency of water technology and device for traditional sucrose, the present invention provides it is a kind of it is new from cooling,
The dielectric barrier discharge water treatment device of short route, low cost.
In order to solve the above-mentioned technical problem, technical scheme is as follows：
A kind of high-pressure medium barrier discharge plasma wastewater treatment equipment, it is characterised in that：The discharge plasma gives up
Water treatment facilities includes water tank, discharge assembly, air supply system, aerator.
The high-pressure medium barrier discharge plasma wastewater treatment equipment can be used for batch-type wastewater treatment, also may be used
External water distribution system is used for continous way wastewater treatment and circulating wastewater treatment.
For the water tank for taking up pending waste water, material can be conductive material and insulating materials.
The discharge assembly includes grounding electrode, high-field electrode, dielectric, discharges inside a set of water processing establishment
The quantity of component is unlimited.
Further, the grounding electrode for sheet, netted or annular conductive material, grounding electrode be mounted on the water surface it
Under, it is connected by conducting wire with the earth.Further, the grounding electrode may be mounted at water tank bottom, side or be suspended on
In water, if water tank uses metal material, water tank can be used as grounding electrode in itself.
Further, the high-field electrode is metal electrode, and when installation is close to the dielectric cylinder inner wall that discharges, electrode one
End is connected by conducting wire with high voltage power supply.Further, the high-field electrode can be helix, metal ring, metal mesh
With porous metals cylinder.
Further, the dielectric is cylindrical shape, and dielectric stack shell is provided with a certain number of air outlet pipes,
Air outlet pipe is connected with aerator, for excluding the gas that discharge space includes active material.Further, in dielectric cylinder
Body sets a certain number of air intake branches, and air intake branch is connected with air supply system, and the gases such as air, oxygen are entered by air inlet pipe
Discharge space.Further, air intake branch and air outlet pipe are installed on the both sides of dielectric cylinder along dielectric cylinder axial direction stagger arrangement.
The air supply system includes external gas source and inlet manifold, and the upper perforate of inlet manifold simultaneously installs air intake branch.
The aerator is microporous aeration device, and aeration tube, aeration head, aeration plate may be employed as needed.
Compared with traditional high-voltage discharge plasma wastewater treatment equipment, advantages of the present invention is as follows：
Discharge assembly, it is pending to be integrally put in water by the 1st, high-pressure medium barrier discharge plasma wastewater treatment equipment of the invention
In water, discharge cell is cooled down using accessing pending water, reduces the temperature of discharge space, improves the yield of active material.
2nd, high-field electrode of the invention is close to the inner wall of dielectric cylinder, occurs to be situated between along face in the inner wall of dielectric cylinder
Matter barrier discharge, the heat for generation of discharging are concentrated mainly on the near wall of dielectric cylinder, are conducive to the cooling of electric discharge device.
3rd, dielectric cylinder of the invention, to setting air outlet pipe and air inlet branch to stagger arrangement in the axial direction of dielectric stack shell
Pipe, relatively, and gas is short in the residence time of discharge space, effectively keeps away for the gas residence time in all discharge spaces
Exempt from discharge process of the active material generated by after to destroy.
4th, aerator of the invention, using microporous aeration device, make outflow discharge space gas be divided into it is fine
Bubble strengthens gas and liquid phase mass-transfer efficiency, improves the utilization ratio for the active material that electric discharge generates.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Figure label：1st, water tank, 2, insulating plug, 3, high-field electrode, 4, dielectric cylinder, 5, air outlet pipe, 6, aerator,
7th, external gas source pipeline, 8, inlet manifold, 9, air intake branch, 10, grounding electrode.
Specific embodiment
The present invention is described in further details below in conjunction with the drawings and specific embodiments, described embodiment is only
Only it is a part of Application Example of the present invention, instead of all the embodiments.Protection scope of the present invention is not limited thereto
Embodiment, as long as those skilled in the art's equivalent modification that disclosure is made according to the present invention or variation, come under this hair
The scope of bright protection.
When implementing, pending waste water enters water tank by inlet pipeline, while external gas source is opened, and is started to electric discharge
It is supplied in device.When pending waste water floods electric discharge device and aerator completely, and reaches preset water level, open power supply and open
Begin to discharge, the waste water in start to process water tank.It is different according to application scenario, batch-type can be selected to handle, it can also the company of selection
Continuous water inlet and water outlet.
Claims (7)
1. a kind of high-pressure medium barrier discharge plasma wastewater treatment equipment, it is characterised in that：Including water tank, discharge assembly,
Air supply system, aerator, for the water tank for taking up pending waste water, material can be conductive material and insulation material
Material, when Radiator material is conductive material, water tank is at the same time as grounding electrode；The discharge assembly includes grounding electrode, height
Piezoelectricity pole, dielectric cylinder, the quantity of discharge assembly is unlimited inside a set of water processing establishment；The air supply system includes outer
Gas source interface and inlet manifold are connect, the upper perforate of inlet manifold simultaneously installs air intake branch；The aerator fills for micro-pore aeration
It puts, aeration tube, aeration head, aeration plate etc. may be employed as needed.
2. the high-pressure medium barrier discharge plasma wastewater treatment equipment according to claim 1, it is characterised in that：Institute
The grounding electrode stated is sheet, netted or annular conductive material, and grounding electrode is installed under the water surface, may be mounted at water tank bottom
Portion, side or suspension are in water.
3. the high-pressure medium barrier discharge plasma wastewater treatment equipment according to claim 1, it is characterised in that：Institute
The high-field electrode stated is metal electrode, and when installation is close to electric discharge insulation inside pipe wall, and high-field electrode can be helix, round metal
Ring, metal mesh and porous metals cylinder.
4. the high-pressure medium barrier discharge plasma wastewater treatment equipment according to claim 1, it is characterised in that：Institute
The dielectric stated is cylindrical shape, sets the unlimited air outlet pipe of quantity in dielectric stack shell, air outlet pipe is connected with aerator.
5. the high-pressure medium barrier discharge plasma wastewater treatment equipment according to claim 1, it is characterised in that：
Dielectric stack shell sets the unlimited air intake branch of quantity, and air intake branch is connected with inlet manifold.
6. the high-pressure medium barrier discharge plasma wastewater treatment equipment according to claim 1, it is characterised in that：Into
Gas branch pipe and air outlet pipe are installed on the both sides of dielectric cylinder along dielectric cylinder axial direction stagger arrangement.
7. the high-pressure medium barrier discharge plasma wastewater treatment equipment according to claim 1, it is characterised in that：With
One group of discharge assembly when water process, in water tank can be set, multigroup discharge assembly can also be set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037138.7A CN108101159A (en) | 2018-01-15 | 2018-01-15 | A kind of high-pressure medium barrier discharge plasma wastewater treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037138.7A CN108101159A (en) | 2018-01-15 | 2018-01-15 | A kind of high-pressure medium barrier discharge plasma wastewater treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108101159A true CN108101159A (en) | 2018-06-01 |
Family
ID=62219001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810037138.7A Pending CN108101159A (en) | 2018-01-15 | 2018-01-15 | A kind of high-pressure medium barrier discharge plasma wastewater treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108101159A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499283A (en) * | 2018-12-04 | 2019-03-22 | 重庆工商大学 | A kind of pollutant handling arrangement based on dielectric barrier discharge plasma |
| CN109775800A (en) * | 2019-03-07 | 2019-05-21 | 大连理工大学 | A kind of preparation of plasma-activated water and store method |
| CN110092447A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of high COD emulsifying waste water demulsification decomposition apparatus of high-voltage discharge plasma |
| CN110482642A (en) * | 2019-08-01 | 2019-11-22 | 重庆工商大学 | A kind of pollutant handling arrangement of foam class dielectric barrier discharge plasma |
| CN110960966A (en) * | 2018-10-01 | 2020-04-07 | 重庆工商大学 | Microbubble induction discharge plasma waste gas treatment device |
| CN111559791A (en) * | 2020-05-22 | 2020-08-21 | 重庆工商大学 | Spraying type dielectric barrier discharge plasma pollutant treatment device |
| CN115918834A (en) * | 2022-11-30 | 2023-04-07 | 华南理工大学 | Water-cooled plasma liquid food processing device based on dielectric barrier discharge |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110092447A (en) * | 2019-05-06 | 2019-08-06 | 重庆工商大学 | A kind of high COD emulsifying waste water demulsification decomposition apparatus of high-voltage discharge plasma |
| CN110482642A (en) * | 2019-08-01 | 2019-11-22 | 重庆工商大学 | A kind of pollutant handling arrangement of foam class dielectric barrier discharge plasma |
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| CN115918834A (en) * | 2022-11-30 | 2023-04-07 | 华南理工大学 | Water-cooled plasma liquid food processing device based on dielectric barrier discharge |
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Application publication date: 20180601 |