CN210584380U - Surface discharge dielectric barrier plasma generator - Google Patents
Surface discharge dielectric barrier plasma generator Download PDFInfo
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- CN210584380U CN210584380U CN201920674823.0U CN201920674823U CN210584380U CN 210584380 U CN210584380 U CN 210584380U CN 201920674823 U CN201920674823 U CN 201920674823U CN 210584380 U CN210584380 U CN 210584380U
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Abstract
The utility model relates to a face discharge medium blocks plasma generator belongs to the exhaust-gas treatment equipment field, including board-like electrode fixed bolster and crisscross parallel arrangement board-like positive electrode and board-like negative electrode in board-like electrode fixed bolster, board-like positive electrode connecting device is connected behind one side of board-like electrode fixed bolster to board-like positive electrode's one end is stretched out, board-like negative electrode connecting device is connected behind the other side of board-like electrode fixed bolster to board-like negative electrode's one end, set up inorganic medium protective layer on inboard board-like positive electrode of board-like electrode fixed bolster and the board-like negative electrode, board-like positive electrode, form the face discharge region in the inboard space of board-like electrode fixed bolster at board-. The utility model has the advantages of reasonable design, can increase the face discharge region, the extension waste gas improves exhaust-gas treatment efficiency through the regional dwell time of discharge, has stronger practicality.
Description
Technical Field
The utility model relates to a surface discharge dielectric barrier plasma generator belongs to the exhaust-gas treatment equipment field.
Background
With the development of economy and the improvement of the technological level, a large amount of refractory organic industrial waste gas and malodorous waste gas are generated in the industries of fermentation, printing and dyeing, pharmacy, chemical industry, petroleum and the like, so that the method not only causes serious environmental pollution, but also becomes an important precursor of secondary pollutants such as PM10, PM2.5 and the like, and can be combined with other pollutants and dust particles in the air, thereby bringing a series of problems of human health, peculiar smell disturbing residents and the like.
In order to solve the problems, the low-temperature plasma technology is widely applied to the purification of waste gas, especially the purification of various peculiar smells and VOCs pollutants discharged by a large-air-volume pollution source due to the obvious purification function, and the current common dielectric barrier discharge plasma generator has three types, namely a flat plate type, a sleeve type and a calandria type. The flat plate type is difficult to be applied industrially due to the problems of polar plate corrosion, uneven discharge, marginal effect and the like; the sleeve type plasma generator has the advantages in the aspect of generating stable plasma, but is limited by the dilemma of small ventilation volume and difficult to use under the condition of large ventilation volume; although the calandria reactor can realize the generation of low-temperature plasma by gas discharge under the condition of large ventilation volume, the problems of difficult leading-out of positive and negative electrodes, easy creepage and difficult shielding of wiring terminals exist, so that the calandria reactor has the problems that the long-term stable operation is difficult, the discharge area can not be adjusted according to the working condition and the like. Therefore, a new gas discharge device is needed to overcome the drawbacks of the above plasma generator in generating plasma.
SUMMERY OF THE UTILITY MODEL
According to the deficiency in the above prior art, the utility model discloses the problem that solves is: the surface discharge dielectric barrier plasma generator has the advantages of reasonable structural design and convenience in use, and can enlarge a surface discharge area, prolong the retention time of waste gas passing through the discharge area and improve the waste gas treatment efficiency.
The utility model provides a technical scheme that its technical problem adopted is:
the surface discharge dielectric barrier plasma generator comprises a plate type electrode fixing support, and a plate type positive electrode and a plate type negative electrode which are arranged in the plate type electrode fixing support in parallel in a staggered mode, wherein one end of the plate type positive electrode extends out of one side of the plate type electrode fixing support and then is connected with a plate type positive electrode connecting device, one end of the plate type negative electrode extends out of the other side of the plate type electrode fixing support and then is connected with a plate type negative electrode connecting device, inorganic dielectric protective layers are arranged on the plate type positive electrode and the plate type negative electrode on the inner side of the plate type electrode fixing support, and a surface discharge area is formed in the space on the inner side of the plate type;
the two sides of the plate-type electrode fixing support are respectively provided with a positive electrode buckle plate protection device and a negative electrode buckle plate protection device, the positive electrode buckle plate protection device and the negative electrode buckle plate protection device respectively correspond to the plate-type positive electrode connecting device and the plate-type negative electrode connecting device, the positive electrode buckle plate protection device and the negative electrode buckle plate protection device are respectively provided with a positive electrode lead-out device and a negative electrode lead-out device, and the positive electrode lead-out device and the negative electrode lead-out device are respectively connected with the plate-type positive electrode connecting device and.
The surface discharge dielectric barrier plasma generator enables discharge between the electrodes to be in a dielectric barrier surface discharge mode through the arrangement of the inorganic dielectric protective layer, and effectively solves the problems of point discharge, leakage, creepage and the like; meanwhile, the size of the surface discharge area can be adjusted, the retention time of the waste gas passing through the discharge area is prolonged, the problems of poor waste gas treatment effect and water and dust contained in the waste gas are solved, the overall treatment efficiency is greatly improved, and the application range is wide. The arrangement of the plate-type positive electrode connecting device and the plate-type negative electrode connecting device can solve the problem of connection between electrodes, and is simple in structure, safe, reliable and convenient to use.
Further preferably, the thickness of the inorganic medium protective layer is 2mm-10mm, and the inorganic medium protective layer is any one of ceramic, glass or crystal. The inorganic medium protective layer can also effectively protect the metal foil, prevent corrosion damage and prolong the service life.
More preferably, the plate-type positive electrode uses a metal foil as an electrode conductive material, the metal foil uses any one of a copper foil, a stainless steel foil, an aluminum alloy foil and a titanium alloy foil, and the width of the metal foil is 2mm-150 mm. The plate-type negative electrode adopts metal foil as an electrode conductive material, the metal foil adopts any one of copper foil, stainless steel foil, aluminum alloy foil or titanium alloy foil, and the width of the metal foil is 5mm-180 mm. When the device is used, the width of the optimized plate type negative electrode is larger than that of the plate type positive electrode, the problems of point discharge, creepage and creepage in the discharge process of the medium blocking surface can be solved, the problems of poor pretreatment and large dust content of waste gas are solved, and the waste gas treatment effect can be improved. The width of the metal foil can be adjusted according to the components, concentration and quantity of waste gas of the plate-type positive electrode and the plate-type negative electrode, so that the size of a surface discharge area is adjusted, and the waste gas treatment efficiency and treatment effect are ensured.
Preferably, sealing gaskets are arranged between the positive electrode buckle plate protection device and the plate-type electrode fixing support and between the negative electrode buckle plate protection device and the plate-type electrode fixing support, and therefore the overall sealing effect of the device is improved.
The utility model discloses the beneficial effect who has is:
1. surface discharge dielectric barrier plasma generator simple structure, reasonable in design through using inorganic medium to positive and negative electrode of plate-type to protect, makes the form of discharging between the electrode block the surface for the medium and discharge, has effectively solved point discharge, has run the electricity, creepage scheduling problem, has stronger practicality.
2. Surface discharge medium block plasma generator can adjust the regional size of surface discharge according to actual need, extension waste gas is through the regional dwell time of overdischarge, the primary treatment amount of wind is big, it is poor to have solved the exhaust-gas treatment effect, the problem of moisture dirt, the range of application is wide, whole treatment effeciency has obtained great improvement.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of the plate-type positive electrode of the present invention;
fig. 4 is a top view of the plate-type positive electrode of the present invention;
FIG. 5 is a schematic structural view of a plate-type negative electrode according to the present invention;
fig. 6 is a top view of the plate-type negative electrode of the present invention;
in the figure, 1, a plate-type electrode fixing bracket; 2. an inorganic dielectric protective layer; 3. a surface discharge region; 4. a plate-type negative electrode connection device; 5. a negative electrode buckle protector; 6. a negative electrode lead-out means; 7. a plate-type negative electrode; 8. a plate-type positive electrode; 9. a positive electrode lead-out means; 10. a positive electrode buckle plate protecting device; 11. plate positive electrode connecting device.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings:
as shown in fig. 1-6, the surface discharge dielectric barrier plasma generator, including plate electrode fixed bolster 1 and crisscross parallel arrangement at plate electrode fixed bolster 1 inboard plate positive electrode 8 and plate negative electrode 7, plate positive electrode 8's one end is stretched out and is connected plate positive electrode connecting device 11 behind one side of plate electrode fixed bolster 1, plate negative electrode connecting device 4 is connected behind the other side that plate electrode fixed bolster 1 is stretched out to plate negative electrode 7's one end, set up inorganic medium protective layer 2 on plate positive electrode 8 of plate electrode fixed bolster 1 inboard and the plate negative electrode 7, form the surface discharge region 3 in the inboard space of plate electrode fixed bolster 1 that plate positive electrode 8, plate negative electrode 7 and inorganic medium protective layer 2 were located.
The two sides of the plate-type electrode fixing support 1 are respectively provided with a positive electrode buckle plate protection device 10 and a negative electrode buckle plate protection device 5, sealing gaskets are respectively arranged between the positive electrode buckle plate protection device 10 and the plate-type electrode fixing support 1 and between the negative electrode buckle plate protection device 5 and the plate-type electrode fixing support 1, the positive electrode buckle plate protection device 10 and the negative electrode buckle plate protection device 5 respectively correspond to the plate-type positive electrode connecting device 11 and the plate-type negative electrode connecting device 4, the positive electrode buckle plate protection device 10 and the negative electrode buckle plate protection device 5 are respectively provided with a positive electrode lead-out device 9 and a negative electrode lead-out device 6, and the positive electrode lead-out device 9 and the negative electrode lead-out device 6 are respectively.
Wherein, the thickness of the inorganic medium protective layer 2 is 2mm-10mm, and the inorganic medium protective layer 2 adopts any one of ceramics, glass or crystal.
The plate-type positive electrode 8 adopts metal foil as an electrode conductive material, the metal foil adopts any one of copper foil, stainless steel foil, aluminum alloy foil or titanium alloy foil, and the width of the metal foil is 2mm-150 mm. The plate-type negative electrode 7 adopts metal foil as an electrode conductive material, the metal foil adopts any one of copper foil, stainless steel foil, aluminum alloy foil or titanium alloy foil, and the width of the metal foil is 5mm-180 mm.
The utility model discloses a theory of operation and use:
when the device is used, waste gas containing water and dust passes through the plate-type positive electrode 8, the plate-type negative electrode 7, the inorganic medium protective layer 2 and the surface discharge area 3 formed on the inner side of the plate-type electrode fixing support 1, the discharge form between the electrodes is medium barrier surface discharge due to the arrangement of the inorganic medium protective layer 2, and along with the discharge characteristics of the medium barrier surface and the characteristics of heat generation by discharge, water and dust in the waste gas can be treated in the surface discharge area 3.
The utility model discloses simple structure, reasonable in design, convenient to use makes the form of discharging between the electrode block the face for the medium and discharges, has effectively solved point discharge, race electricity, creepage scheduling problem, simultaneously, can adjust the regional size of face discharge, has prolonged waste gas through the regional dwell time of discharging, has not only solved the problem that exhaust-gas treatment effect is poor, moisture contains dust, has still improved exhaust-gas treatment efficiency greatly.
The present invention is not limited to the above embodiments, and variations, modifications, additions and substitutions made by those skilled in the art within the scope of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a face discharge dielectric barrier plasma generator, includes plate electrode fixed bolster (1) and crisscross parallel arrangement at plate electrode fixed bolster (1) interior plate-type positive electrode (8) and plate-type negative electrode (7), and plate-type positive electrode connecting device (11) are connected after one side of plate-type electrode fixed bolster (1) is stretched out to the one end of plate-type positive electrode (8), and plate-type negative electrode connecting device (4) are connected after the other side of plate-type electrode fixed bolster (1) is stretched out to the one end of plate-type negative electrode (7), its characterized in that: an inorganic medium protective layer (2) is arranged on a plate type positive electrode (8) and a plate type negative electrode (7) on the inner side of the plate type electrode fixing support (1), and a surface discharge area (3) is formed in the inner side space of the plate type electrode fixing support (1) where the plate type positive electrode (8), the plate type negative electrode (7) and the inorganic medium protective layer (2) are located;
two sides of the plate-type electrode fixing support (1) are respectively provided with a positive electrode buckle plate protection device (10) and a negative electrode buckle plate protection device (5), the positive electrode buckle plate protection device (10) and the negative electrode buckle plate protection device (5) respectively correspond to the plate-type positive electrode connecting device (11) and the plate-type negative electrode connecting device (4), the positive electrode buckle plate protection device (10) and the negative electrode buckle plate protection device (5) are respectively provided with a positive electrode lead-out device (9) and a negative electrode lead-out device (6), and the positive electrode lead-out device (9) and the negative electrode lead-out device (6) are respectively connected with the plate-type positive electrode connecting device (11) and the plate-type negative.
2. The surface discharge dielectric barrier plasma generator according to claim 1, characterized in that: the thickness of the inorganic medium protective layer (2) is 2mm-10mm, and the inorganic medium protective layer (2) is made of any one of ceramics, glass or crystals.
3. The surface discharge dielectric barrier plasma generator according to claim 1, characterized in that: the plate-type positive electrode (8) adopts metal foil as an electrode conductive material, the metal foil adopts any one of copper foil, stainless steel foil, aluminum alloy foil or titanium alloy foil, and the width of the metal foil is 2mm-150 mm.
4. The surface discharge dielectric barrier plasma generator according to claim 1, characterized in that: the plate-type negative electrode (7) adopts metal foil as an electrode conductive material, the metal foil adopts any one of copper foil, stainless steel foil, aluminum alloy foil or titanium alloy foil, and the width of the metal foil is 5mm-180 mm.
5. The surface discharge dielectric barrier plasma generator according to claim 1, characterized in that: sealing gaskets are arranged between the positive electrode buckle plate protection device (10) and the plate-type electrode fixing support (1) and between the negative electrode buckle plate protection device (5) and the plate-type electrode fixing support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674823.0U CN210584380U (en) | 2019-05-10 | 2019-05-10 | Surface discharge dielectric barrier plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674823.0U CN210584380U (en) | 2019-05-10 | 2019-05-10 | Surface discharge dielectric barrier plasma generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210584380U true CN210584380U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920674823.0U Active CN210584380U (en) | 2019-05-10 | 2019-05-10 | Surface discharge dielectric barrier plasma generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210584380U (en) |
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2019
- 2019-05-10 CN CN201920674823.0U patent/CN210584380U/en active Active
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