CN220579014U - Plasma dielectric barrier discharge water treatment device - Google Patents
Plasma dielectric barrier discharge water treatment device Download PDFInfo
- Publication number
- CN220579014U CN220579014U CN202322014510.1U CN202322014510U CN220579014U CN 220579014 U CN220579014 U CN 220579014U CN 202322014510 U CN202322014510 U CN 202322014510U CN 220579014 U CN220579014 U CN 220579014U
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- China
- Prior art keywords
- outer tube
- water treatment
- dielectric barrier
- inner tube
- barrier discharge
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- 238000011282 treatment Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 230000004888 barrier function Effects 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000005243 fluidization Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000007888 film coating Substances 0.000 claims 1
- 238000009501 film coating Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 210000002381 plasma Anatomy 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 125000004430 oxygen atom Chemical group O* 0.000 description 5
- 239000012071 phase Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000013543 active substance Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides a plasma dielectric barrier discharge water treatment facilities relates to low temperature plasma's application technical field, specifically includes outer tube, inner tube, high-voltage electrode, low-voltage electrode, distribution board, check valve, plasma power connect gradually, and an annular space cavity is constituteed as the reactor to inner tube and outer tube, sets up 1 gas inlet, 1 liquid inlet and a liquid outlet on the outer tube, and the gas inlet position is less than the liquid inlet, installs annular gas fluidization board between gas inlet and the liquid inlet. The utility model has the advantages of simple equipment, few sealing points, high water treatment efficiency, low energy consumption and environmental protection.
Description
Technical Field
The utility model relates to the technical field of application of low-temperature plasmas, in particular to a plasma dielectric barrier discharge water treatment device.
Background
The low temperature plasma technology has a very long history of use as an ozone generating technology in the field of water treatment, and the principle is that the purpose of removing harmful substances in water is achieved by utilizing the reaction of active free radicals such as ozone, oxygen atoms, hydroxyl groups and the like generated in discharge plasma and pollution sources in water. In the traditional ozone water treatment technology, after active free radicals such as ozone, oxygen atoms and the like are generated by gas phase discharge of air or oxygen in plasma dielectric barrier discharge, and then the active free radicals are injected into water to react with pollution sources, the mode has the technical defect that a large amount of energy is wasted.
Disclosure of Invention
In order to overcome the defects of lower efficiency and higher energy consumption in the prior art, the utility model provides the plasma dielectric barrier discharge water treatment device, wherein plasma generation and reaction are both in a discharge area, so that the generation and reaction of active free radicals such as ozone, oxygen atoms and the like are realized in the same area, intermediate links are reduced, the reaction efficiency is improved, and meanwhile, the discharge device forms the synergistic degradation effect of multiple factors such as high-energy electron radiation, ultraviolet irradiation and the like in gas-liquid two phases, thereby enhancing the water treatment effect and reducing the energy consumption in the treatment process.
The technical scheme adopted by the utility model is as follows: the utility model provides a plasma dielectric barrier discharge water treatment facilities, includes outer tube, inner tube, high-voltage electrode, low-voltage electrode, distributing plate, check valve, plasma power connect gradually, and an annular space cavity is constituteed to inner tube and outer tube as the reactor, sets up a plurality of gas inlet, a plurality of liquid inlet and a plurality of liquid outlet on the outer tube, and the gas inlet position is less than the liquid inlet, between gas inlet and the liquid inlet, installs annular gas fluidization board. As the outer tube and the inner tube of the reactor are integrally formed by welding, riveting or one-step forming, the reactor is simple to manufacture and high in reliability.
The outer tube and the inner tube of the reactor are integrally formed by welding, riveting or one-step forming, and the annular gap distance formed by the outer tube and the inner tube is any number between 0.5 and 7 mm.
According to the plasma dielectric barrier discharge water treatment device, the outer surface of the outer tube and the inner surface of the inner tube are both provided with the conductive layers.
The conductive layers on the surfaces of the outer tube and the inner tube of the plasma dielectric barrier discharge water treatment device are manufactured by a wire mesh, spraying or film plating mode.
In the plasma dielectric barrier discharge water treatment device, the conductive layers on the surfaces of the outer tube and the inner tube are made of any one or combination of conductive materials and metal wire meshes.
The plasma dielectric barrier discharge water treatment device is characterized in that the position of a gas inlet is lower than that of a liquid inlet, an annular gas fluidization plate is arranged between the gas inlet and the liquid inlet, and micropores of the fluidization plate are 1-50 microns.
The plasma dielectric barrier discharge water treatment device is characterized in that a one-way valve is arranged on an air inlet pipeline, and working gas in the pipeline is air or oxygen.
The plasma dielectric barrier discharge water treatment device has the volume ratio of the gas to the liquid entering the reactor of 0.1-10.
The utility model has the advantages of simple device, few sealing points, high treatment efficiency, low energy consumption and no pollution.
Drawings
FIG. 1 is a schematic diagram of a plasma dielectric barrier discharge water treatment apparatus;
FIG. 2 is a schematic diagram of embodiment 2 of the present utility model;
FIG. 3 is a schematic diagram of embodiment 3 of the present utility model;
reference numerals: 1 outer tube, 2 inner tube, 3 outer electrode, 4 inner electrode, 5 gas fluidization plate, 6 one-way valve, 7 plasma power source.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
embodiment 1, refer to fig. 1, a plasma dielectric barrier discharge water treatment device, comprising an outer tube 1 made of quartz glass, an inner tube 2 made of quartz glass, a high-voltage electrode 3, a low-voltage electrode 4, a gas fluidization plate 5, a one-way valve 6, and a plasma power supply 7, wherein the inner tube 1 and the outer tube 2 are cylindrical, the inner tube 1 and the outer tube 2 sleeved outside the inner tube form a cylindrical cavity reactor, and the dielectric barrier plasma reactor with an integrated structure can be formed by means of sintering, welding, bonding or one-step forming; the annular gap distance formed by the outer tube 1 made of quartz glass and the inner tube 2 made of quartz glass is 0.5mm, the working process is that liquid to be treated enters the reactor from a liquid inlet, air or oxygen enters the reactor from a gas inlet, gas enters the reactor through a one-way valve 6, a gas fluidization plate 5 changes large bubbles into tiny bubbles which are distributed in the liquid, a gas-liquid two-phase mixture passes through a discharge area, a plasma power supply 7 is connected with an inner electrode 4 and an outer electrode 3 made of metal wire mesh, and active substances such as ozone, elemental oxygen atoms and the like are generated by gas phase ionization under the action of a high-voltage high-frequency electric field during working, and are discharged from a liquid outlet after immediately reacting with pollutants in the liquid phase.
Example 2, referring to fig. 2 and 1 of the accompanying drawings, the difference between this example and example 1 is that the outer tube 2 of the dielectric barrier plasma reactor is provided with gas fluidization plates 5 at different radial cross sections of the gas inlet, and the gas fluidization plates 5 are respectively provided above one of the gas inlets; the gas content in the liquid is increased, tiny-volume bubbles are kept in the liquid through the fluidization plate, the annular gap distance formed by the outer tube 1 made of quartz glass and the inner tube 2 made of quartz glass is 7mm, and the concentration of active substances such as ozone, elemental oxygen atoms and the like is increased through plasma discharge, so that the reaction is enhanced, and the treatment effect is improved.
Example 3 referring to fig. 3, 2 and 1 of the specification, this example is a series combination of two examples 1, in which the treatment effect is increased by performing the secondary treatment or the multiple treatments according to the liquid treatment effect.
Embodiment 4, referring to fig. 3, 2 and 1 of the accompanying drawings, this embodiment is different from the other embodiments in that 3 gas inlets, 2 liquid inlets and 3 liquid outlets are provided on the outer tube, and the annular gap distance formed by the outer tube 1 made of quartz glass and the inner tube 2 made of quartz glass is any distance between 0.5-7mm, and the liquid outlets, the gas inlets and the liquid inlets are radially distributed on the outer tube 1.
Claims (6)
1. The utility model provides a plasma dielectric barrier discharge water treatment facilities, includes outer tube, inner tube, high-voltage electrode, low-voltage electrode, distributing plate, check valve, plasma power connect gradually, its characterized in that: the tubular inner tube is arranged in the tubular outer tube, the inner tube and the outer tube form an annular cavity to be used as a reactor, a plurality of gas inlets, a plurality of liquid inlets and a plurality of liquid outlets are arranged on the outer tube, the gas inlets are lower than the liquid inlets, and an annular gas fluidization plate is arranged between the gas inlets and the liquid inlets.
2. The plasma dielectric barrier discharge water treatment device as claimed in claim 1, wherein the outer tube and the inner tube of the reactor are integrally formed by welding, riveting or one-step forming, and the annular gap distance formed by the outer tube and the inner tube is 0.5-7 mm.
3. The plasma dielectric barrier discharge water treatment device according to any one of claims 1 and 2, wherein the outer surface of the outer tube and the inner surface of the inner tube are provided with conductive layers.
4. A plasma dielectric barrier discharge water treatment apparatus as claimed in claim 3 wherein the conductive layers on the surfaces of the outer tube and the inner tube are formed by wire mesh, spray coating or film coating.
5. A plasma dielectric barrier discharge water treatment apparatus as claimed in claim 3 wherein the conductive layers on the surfaces of the outer tube and the inner tube are either or a combination of conductive materials, wire mesh.
6. The plasma dielectric barrier discharge water treatment device according to claim 1, wherein the air inlet pipe is provided with a one-way valve, and the working gas in the pipe is air or oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014510.1U CN220579014U (en) | 2023-07-28 | 2023-07-28 | Plasma dielectric barrier discharge water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014510.1U CN220579014U (en) | 2023-07-28 | 2023-07-28 | Plasma dielectric barrier discharge water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220579014U true CN220579014U (en) | 2024-03-12 |
Family
ID=90109921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322014510.1U Active CN220579014U (en) | 2023-07-28 | 2023-07-28 | Plasma dielectric barrier discharge water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220579014U (en) |
-
2023
- 2023-07-28 CN CN202322014510.1U patent/CN220579014U/en active Active
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