CN210186808U - Needle plate type dielectric barrier discharge reactor and gas pollutant degradation device - Google Patents
Needle plate type dielectric barrier discharge reactor and gas pollutant degradation device Download PDFInfo
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- CN210186808U CN210186808U CN201921090409.1U CN201921090409U CN210186808U CN 210186808 U CN210186808 U CN 210186808U CN 201921090409 U CN201921090409 U CN 201921090409U CN 210186808 U CN210186808 U CN 210186808U
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Abstract
The utility model discloses a faller formula dielectric barrier discharge reactor and gaseous pollutant degradation device of high degradation rate. It comprises a high-voltage electrode plate and a grounding electrode plate which are oppositely arranged, wherein the high-voltage electrode plate is provided with discharge needles which are distributed in an array manner, a transverse medium supporting plate is arranged between the high-voltage electrode plate and the grounding electrode plate, a vertical medium sealing plate and a medium sealing plate are arranged between the medium supporting plate and the high-voltage electrode plate, the medium supporting plate and the high-voltage electrode plate enclose a sealed space for gas reaction, the two sides of the medium sealing plate are respectively provided with a gas inlet and a gas outlet, a plurality of medium partition plates which are arranged corresponding to the discharge needles are further arranged between the medium supporting plate and the high-voltage electrode plate, reaction gas grooves of the corresponding discharge needles are formed between two adjacent medium partition plates, two adjacent reaction gas grooves are communicated with each other and form a 'snake-shaped' gas circuit, and the gas inlet end and the gas outlet end of the 'snake-shaped' gas circuit are respectively communicated with the gas inlet and the gas outlet on the medium sealing plate.
Description
Technical Field
The utility model belongs to the technical field of plasma, a faller formula dielectric barrier discharge reactor and gaseous pollutant degradation device is related to.
Background
The traditional dielectric barrier discharge reactor mainly has three structures of a wire cylinder type, a cylinder type and a plate type. The wire-cylinder type and cylinder-cylinder type dielectric barrier discharge reactors have complex structures and are greatly influenced by air resistance, and degradation products are attached to the media to easily cause blockage, so that the continuous degradation of pollutants is not facilitated; the flat plate type dielectric barrier discharge reactor has simple structure and can prevent blockage, but the volume of a discharge area is smaller, the contact time of active particles and pollutants is less, and the degradation effect is not ideal.
Later, needle plate type dielectric barrier discharge reactors appeared, such as the patent application No. 200610104653.X, entitled "a method for purifying air in a low-temperature plasma chamber generated by dielectric barrier discharge"; the patent application number is 201710071717.9, and the name is 'a flat plate pinpoint discharge type plasma generator'. However, in the existing needle plate type dielectric barrier discharge reactor, the problem of short retention time and insufficient reaction when the pollutant gas inlet enters and reacts with active particles is solved, and the degradation rate of the pollutants is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and providing a needle plate type dielectric barrier discharge reactor with high degradation rate and a gas pollutant degradation device.
The utility model discloses the following technical scheme of accessible realizes: a needle plate type dielectric barrier discharge reactor comprises a high-voltage electrode plate and a grounding electrode plate which are oppositely arranged, wherein the high-voltage electrode plate is provided with discharge needles which are distributed in an array manner, it is characterized in that a transverse medium supporting plate is arranged between the high-voltage electrode plate and the grounding electrode plate, a vertical medium sealing plate is arranged between the medium supporting plate and the high-voltage electrode plate, the medium sealing plate, the medium supporting plate and the high-voltage electrode plate enclose a sealed space for gas reaction, the two sides of the medium sealing plate are respectively provided with an air inlet and an air outlet, a plurality of medium partition plates arranged corresponding to the discharge needles are further arranged between the medium supporting plate and the high-voltage electrode plate, reaction gas grooves corresponding to the discharge needles are formed between two adjacent medium partition plates, two adjacent reaction gas grooves are communicated with each other and form a ' snake-shaped ' gas circuit, and the air inlet end and the air outlet end of the snake-shaped ' gas circuit are respectively communicated with the air inlet and the air outlet on the medium sealing plate.
Preferably, the "serpentine" air passages are formed by the staggered arrangement of the media separator plates.
Preferably, the separation plate is provided with a detachable adsorbent for selectively adsorbing the degradation target.
Preferably, the medium sealing plate, the medium supporting plate and the medium separating plate are all quartz glass plates.
The gas pollutant degradation device comprises an air compressor, a gas generation device and a gas absorption device, wherein the gas generation device and the gas absorption device are connected with the air compressor through pipelines.
Preferably, a gas valve and a rotameter are arranged on a pipeline connecting the air compressor and the gas generating device.
Compared with the prior art, the utility model discloses there is following beneficial effect: the utility model discloses faller formula dielectric barrier discharge reactor designs into "snakelike" gas circuit between reactor two electrodes, has increased the dwell time of gas in the reactor, makes it fully react with active particle, and then has improved the gas contamination degradation rate.
Drawings
FIG. 1 is a schematic structural diagram of a pin-plate type dielectric barrier discharge reactor according to the present invention;
fig. 2 is a schematic structural diagram of the gas pollutant degradation device of the present invention.
Reference numerals
The device comprises a high-voltage electrode plate 1, a grounding electrode plate 2, a discharge needle 3, a medium supporting plate 4, a medium sealing plate 5, an air inlet 501, an air outlet 502, a medium separating plate 6, an air compressor 7, a gas generating device 8, a gas absorbing device 9, a power supply 10, an air valve 11 and a rotor flow meter 12.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
In the present embodiment, the terms "upper", "lower", "left", "right", "front", "rear", "upper end", "lower end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, but do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, an embodiment of a needle plate type dielectric barrier discharge reactor includes a high voltage electrode plate 1 and a ground electrode plate 2 which are oppositely arranged, discharge needles 3 which are distributed in an array are arranged on the high voltage electrode plate 1, a transverse dielectric support plate 4 is arranged between the high voltage electrode plate 1 and the ground electrode plate 2, a vertical dielectric seal plate 5 is arranged between the dielectric support plate 4 and the high voltage electrode plate 1, a seal space for gas reaction is enclosed by the dielectric seal plate 5, the dielectric support plate 4 and the high voltage electrode plate 1, both sides of the dielectric seal plate 5 are respectively provided with an air inlet 501 and an air outlet 502, a plurality of dielectric partition plates 6 which are arranged corresponding to the discharge needles 3 are further arranged between the dielectric support plate 4 and the high voltage electrode plate 1, a reaction gas groove corresponding to the discharge needle 3 is formed between two adjacent dielectric partition plates 6, two adjacent reaction gas grooves are mutually communicated, the air inlet end and the air outlet end of the 'snake-shaped' air path are respectively communicated with an air inlet 501 and an air outlet 502 on the medium sealing plate 5.
The 'snake-shaped' air passages are formed by staggered arrangement of the medium separating plates 6.
The partition plate 6 is provided with a detachable adsorbent for selectively adsorbing the degradation target. Be equipped with detachable adsorbent on the division board, can effectual improvement gas and active material and photoelectronic contact time, improve degradation efficiency, can prevent simultaneously that the particulate matter in admitting air from blockking up the system. The adsorbent can be reasonably selected according to a target object and mainly comprises a molecular sieve, activated carbon and the like.
The medium sealing plate 5, the medium supporting plate 4 and the medium separating plate 6 are all quartz glass plates.
Referring to fig. 2, an embodiment of the device for degrading gaseous pollutants includes an air compressor 7, a gas generating device 8 connected to the air compressor 7 through a pipeline, a gas absorbing device 9, the pin plate type dielectric barrier discharge reactor, and a power supply 10 electrically connected to the pin plate type dielectric barrier discharge reactor, wherein a gas inlet 501 on the dielectric sealing plate 5 is communicated with an output end of the gas generating device 8, and a gas outlet 502 on the dielectric sealing plate 5 is communicated with an input end of the gas absorbing device 9.
And a gas valve and a rotor flow meter are arranged on a pipeline connecting the air compressor 7 and the gas generating device 8.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (6)
1. A needle plate type dielectric barrier discharge reactor comprises a high-voltage electrode plate and a grounding electrode plate which are oppositely arranged, wherein the high-voltage electrode plate is provided with discharge needles which are distributed in an array manner, it is characterized in that a transverse medium supporting plate is arranged between the high-voltage electrode plate and the grounding electrode plate, a vertical medium sealing plate is arranged between the medium supporting plate and the high-voltage electrode plate, the medium sealing plate, the medium supporting plate and the high-voltage electrode plate enclose a sealed space for gas reaction, the two sides of the medium sealing plate are respectively provided with an air inlet and an air outlet, a plurality of medium partition plates arranged corresponding to the discharge needles are further arranged between the medium supporting plate and the high-voltage electrode plate, reaction gas grooves corresponding to the discharge needles are formed between two adjacent medium partition plates, two adjacent reaction gas grooves are communicated with each other and form a ' snake-shaped ' gas circuit, and the air inlet end and the air outlet end of the snake-shaped ' gas circuit are respectively communicated with the air inlet and the air outlet on the medium sealing plate.
2. The pin plate-type dielectric barrier discharge reactor according to claim 1, wherein the "serpentine" gas path is formed by the staggered arrangement of the dielectric separation plates.
3. The pin plate-type dielectric barrier discharge reactor according to claim 1, wherein the partition plate is provided with a detachable adsorbent for selectively adsorbing the degradation target.
4. The pin plate-type dielectric barrier discharge reactor according to claim 1, wherein the dielectric sealing plate, the dielectric supporting plate and the dielectric separating plate are all quartz glass plates.
5. A gaseous pollutant degradation device comprises an air compressor, a gas generation device and a gas absorption device, wherein the gas generation device and the gas absorption device are connected with the air compressor through pipelines, the gaseous pollutant degradation device is characterized by further comprising a needle plate type dielectric barrier discharge reactor according to any one of claims 1 to 4 and a power supply electrically connected with the needle plate type dielectric barrier discharge reactor, a gas inlet on a dielectric sealing plate is communicated with an output end of the gas generation device, and a gas outlet on the dielectric sealing plate is communicated with an input end of the gas absorption device.
6. A gaseous pollutant degrading device according to claim 5, wherein a gas valve and a rotameter are provided on the conduit connecting the air compressor and the gas generating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090409.1U CN210186808U (en) | 2019-07-12 | 2019-07-12 | Needle plate type dielectric barrier discharge reactor and gas pollutant degradation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090409.1U CN210186808U (en) | 2019-07-12 | 2019-07-12 | Needle plate type dielectric barrier discharge reactor and gas pollutant degradation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210186808U true CN210186808U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921090409.1U Expired - Fee Related CN210186808U (en) | 2019-07-12 | 2019-07-12 | Needle plate type dielectric barrier discharge reactor and gas pollutant degradation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210186808U (en) |
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2019
- 2019-07-12 CN CN201921090409.1U patent/CN210186808U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 Termination date: 20210712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |