CN109290056B - Electric purification structure and air purification device - Google Patents
Electric purification structure and air purification device Download PDFInfo
- Publication number
- CN109290056B CN109290056B CN201811251466.3A CN201811251466A CN109290056B CN 109290056 B CN109290056 B CN 109290056B CN 201811251466 A CN201811251466 A CN 201811251466A CN 109290056 B CN109290056 B CN 109290056B
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- Prior art keywords
- discharge
- discharge plate
- purification structure
- electrical purification
- plate
- Prior art date
- 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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Links
- 238000000746 purification Methods 0.000 title claims description 30
- 238000004887 air purification Methods 0.000 title description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 239000012212 insulator Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 8
- 239000012855 volatile organic compound Substances 0.000 abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
- B03C3/43—Ionising-electrodes radioactive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/49—Collecting-electrodes tubular
Landscapes
- Electrostatic Separation (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an electric purifying structure and an air purifying device, wherein the electric purifying structure comprises: the discharge plate, locate a plurality of discharge electrode on the discharge plate, surround the outside collection section of thick bamboo of discharge plate, promote the drive arrangement that the discharge plate moved in the collection section of thick bamboo, the potential of discharge electrode is higher than the potential of collection section of thick bamboo. The invention can treat particles, VOC and formaldehyde at the same time, and has good purifying effect, low required voltage and less ozone production.
Description
Technical Field
The invention relates to the technical field of air purification structures, in particular to an electric purification structure and an air purification device.
Background
The electric purification technology has the advantages of no material consumption, low wind resistance, ideal sterilization effect and the like. The traditional wire-plate discharge structure has good effect on treating particulate matters, but has poor effect on formaldehyde and VOC (volatile organic compounds), for example, patent number 201721099784.3 discloses a novel electric purification structure which simulates a wire electrode through the reciprocating motion of a needle electrode and treats the particulate matters in the air through the wire-plate discharge structure.
Therefore, how to design an electric purifying structure with better purifying effect is a technical problem to be solved in the industry.
Disclosure of Invention
In order to solve the defect of poor purification treatment effect in the prior art, the invention provides an electric purification structure and an air purification device.
The invention adopts the technical scheme that an electric purifying structure is designed, and comprises: the discharge plate, locate a plurality of discharge electrodes on the discharge plate, surround the collection section of thick bamboo in the discharge plate outside, the potential of discharge electrode is higher than the potential of collection section of thick bamboo.
Preferably, the collection cylinder is grounded.
Preferably, the discharge electrode is needle-shaped.
Preferably, at least two discharge electrodes with different lengths are arranged on the discharge plate.
Preferably, the discharge plate has a cylindrical shape.
Preferably, the discharge electrodes are uniformly arranged on the outer circumferential surface of the discharge plate.
Preferably, the discharge electrode protrudes toward the collecting vessel in a radial direction of the discharge plate.
Preferably, the discharge plate and the collector drum are coaxially arranged.
Preferably, the electrical purification structure further comprises: and the driving device is used for driving the discharge plate to move in the collecting cylinder.
Preferably, the driving device pushes the discharge plate to reciprocate along the axial direction of the collecting cylinder.
Preferably, the driving device includes: the device comprises an iron sheet arranged at one end of a discharge plate, an electromagnet arranged at an interval with the iron sheet, and an elastic piece arranged at the other end of the discharge plate, wherein the iron sheet is attracted in a direction away from the elastic piece after the electromagnet is electrified, and the elastic piece pulls the discharge plate to reset after the electromagnet is powered off.
Preferably, the driving device further includes: and the electric control device is connected with the electromagnet and controls the electromagnet to be electrified or powered off.
Preferably, the electric control device controls the on-off frequency of the electromagnet to be 50Hz.
Preferably, the iron sheet is mounted on the discharge plate through an insulator.
Preferably, the elastic member is a spring, one end of which is fixed and the other end of which is mounted on the discharge plate.
Preferably, the spring is an insulating spring.
Preferably, the discharge plate is provided with a first discharge electrode and a second discharge electrode having different lengths.
Preferably, the first discharge electrodes and the second discharge electrodes are uniformly arranged around the discharge plate, and the first discharge electrodes and the second discharge electrodes are alternately arranged along the axial direction of the discharge plate at intervals.
Preferably, the discharge plate is connected with a direct current power supply, and the direct current power supply applies voltage to the discharge plate, wherein the voltage range is 5kV to 20kV.
The invention also provides an air purifying device which comprises the electric purifying structure.
Compared with the prior art, the collecting cylinder is arranged outside the discharge plate, so that the ionization quantity is larger, the breakdown voltage is higher, and VOC and formaldehyde can be treated while purifying particles by applying higher voltage. And the needle-shaped discharge electrode is arranged on the discharge plate, so that an uneven electric field is more easily generated due to the larger curvature radius of the needle-shaped discharge electrode, and the wire electrode is simulated through high-frequency reciprocating motion.
Drawings
The invention is described in detail below with reference to examples and figures, wherein:
FIG. 1 is a schematic diagram of the connection of an electrical purification structure in a preferred embodiment of the present invention;
Fig. 2 is a schematic top view of the discharge plate and the collector drum in a preferred embodiment of the invention.
Detailed Description
As shown in fig. 1 and 2, the electrical purification structure provided by the invention comprises: the discharge plate 1, locate a plurality of discharge electrode 2 on the discharge plate 1, surround at the outside collection tube 3 of discharge plate 1, discharge plate 1 is cylindric, discharge electrode 2 stretches out towards collection tube 3 along the radial of discharge plate 1, is equipped with the interval between discharge electrode 2's outer end and the inner wall of collection tube 3, and discharge electrode 2's potential is higher than the potential of collection tube 3.
The discharge plate 1 is connected with a direct current power supply 4, the direct current power supply 4 applies voltage of 5kV to 20kV to the discharge plate 1, an electric field is generated between the discharge electrode 2 and the collecting cylinder 3, ions and electrons are generated by ionization of surrounding air of the discharge electrode 2 and move to the collecting cylinder 3, and in the moving process, particles in the air collide to form charged particles, and the charged particles collide to the collecting cylinder 3 under the action of the electric field and are collected. Because the charged particles are continuously collected by the collecting cylinder 3, a charged particle layer is formed on the surface of the collecting cylinder 3, so that the potential difference between the discharge electrode 2 and the collecting cylinder 3 is reduced, and the treatment efficiency is affected, the collecting cylinder 3 is grounded to ensure that the potential is always zero, the electric field between the discharge electrode 2 and the collecting cylinder 3 is stable, and the pollutant treatment efficiency is improved.
Preferably, the discharge electrodes 2 are needle-shaped, the point discharge is stronger, the corona region range is wide, at least two discharge electrodes 2 with different lengths are arranged on the discharge plate 1, and the discharge electrodes 2 are uniformly distributed on the outer circular surface of the discharge plate 1, so that the corona region range is further enlarged. In the preferred embodiment, the discharge plate 1 is provided with a first discharge electrode 21 and a second discharge electrode 22 having different lengths, the first discharge electrode 21 and the second discharge electrode 22 are uniformly arranged around the discharge plate, and the first discharge electrode 21 and the second discharge electrode 22 are alternately arranged along the axial direction of the discharge plate 1. In order to make the electric field between the discharge plate 1 and the collector drum 3 more uniform, the discharge plate 1 and the collector drum 3 are coaxially arranged.
As shown in fig. 1 and 2, the electrical purification structure further includes: driving means for driving the discharge plate 1 to move in the collecting vessel 3, in a preferred embodiment, the driving means drives the discharge plate 1 to reciprocate in the axial direction of the collecting vessel 4, the driving means comprising: iron sheet 5, electro-magnet 6, elastic component 7 and electric control device 8. The iron sheet 5 is installed at one end of the discharge plate 1, the elastic piece 7 is installed at the other end of the discharge plate 1, the electromagnet 6 and the iron sheet 5 are arranged at intervals, the iron sheet 5 is attracted in a direction away from the elastic piece 7 after the electromagnet 6 is powered on, the elastic piece 7 pulls the discharge plate 1 to reset after the electromagnet 6 is powered off, the power on or the power off of the electromagnet 6 is controlled by the electric control device 8, and the electric control device 8 controls the on-off frequency of the electromagnet 6 to be 50Hz. Wherein the elastic member 7 may be a spring, one end of which is mounted on the discharge plate 1, and the other end of which is fixed to the ground or other components. In order to prevent the iron sheet 5 or the spring from contacting and conducting with the discharge plate 1 and affecting the electric field between the discharge plate 1 and the collecting cylinder 3, the iron sheet 5 is arranged on the discharge plate 1 through an insulating piece 9, and the spring is an insulating spring.
As shown in fig. 1, in the preferred embodiment, the discharge plate 1 and the collecting cylinder 3 are vertically installed, the iron sheet 5 is installed at the top end of the discharge plate 1, and the spring is installed at the bottom end of the discharge plate 1, in the use process, the electric control device 8 controls the discharge plate 1 to move upwards when the electromagnet 6 is electrified, the discharge plate 1 falls when the electromagnet 6 is powered off, the electromagnet 6 continuously changes the on-off state, and the discharge plate 1 continuously separates from the surrounding air in the up-and-down reciprocating motion, so that the corona area is increased, and the collection capability of particles is increased.
The invention adopts a cylindrical purification structure, the ionization quantity is larger, the breakdown voltage is higher, VOC and formaldehyde can be treated by applying higher voltage to the discharge plate 1, and the ionization quantity of the discharge plate 1 is higher than that of a needle electrode by simulating a wire electrode through high-frequency reciprocating motion of the discharge plate 1, the same purification effect can be achieved by lower voltage, the effect of treating VOC, formaldehyde and particulate matters can be achieved simultaneously by lower voltage through the synergistic effect of the two structures, the ozone generation quantity is reduced, and the disposable filtration efficiency of the discharge plate on formaldehyde is 99 percent and the ozone generation quantity is reduced by about 50 percent through experimental measurement.
The invention also provides an air purifying device which comprises the electric purifying structure.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (17)
1. An electrical purification structure, comprising: discharge board (1) and locate a plurality of discharge electrode (2) on discharge board (1), its characterized in that still includes: a collector tube (3) surrounding the discharge plate (1), and a driving device for driving the discharge plate (1) to move in the collector tube (3), wherein the potential of the discharge electrode (2) is higher than that of the collector tube (3), and the discharge electrode (2) is needle-shaped;
The driving device pushes the discharge plate (1) to reciprocate along the axial direction of the collecting cylinder (3), and the driving device comprises: an iron sheet (5) arranged at one end of the discharge plate (1), an electromagnet (6) arranged at intervals with the iron sheet (5), an elastic piece (7) arranged at the other end of the discharge plate (1), and an electric control device (8) connected with the electromagnet (6); after the electromagnet (6) is electrified, the iron sheet (5) is attracted in a direction away from the elastic piece (7), the elastic piece (7) pulls the discharge plate (1) to reset after the electromagnet (6) is powered off, and the electric control device (8) controls the electromagnet (6) to be electrified or powered off.
2. An electrical purification structure according to claim 1, wherein the collection canister (3) is grounded.
3. An electrical purification structure as claimed in claim 1, characterized in that the discharge plate (1) is provided with at least two discharge electrodes (2) of different lengths.
4. An electrical purification structure as claimed in claim 1, wherein the discharge plate (1) is cylindrical.
5. An electrical purification structure as claimed in claim 4, wherein the discharge electrodes (2) are uniformly arranged on the outer circumferential surface of the discharge plate (1).
6. An electrical purification structure as claimed in claim 4, wherein said discharge electrode (2) protrudes in a radial direction of said discharge plate (1) towards said collection cylinder (3).
7. An electrical purification structure as claimed in claim 4, wherein said discharge plate (1) and said collection canister (3) are coaxially arranged.
8. An electrical purification structure as claimed in claim 1, wherein said electrical control means (8) control the on-off frequency of said electromagnet (6) to be 50Hz.
9. An electrical purification structure as claimed in claim 1, wherein the iron sheet (5) is mounted on the discharge plate (1) by means of an insulator (9).
10. An electrical purification structure as claimed in claim 1, wherein said elastic member (7) is a spring, one end of which is fixed and the other end of which is mounted on said discharge plate (1).
11. The electrical purification structure of claim 10, wherein the spring is an insulating spring.
12. An electrical purification structure as claimed in claim 4, wherein the discharge plate (1) is provided with a first discharge electrode (21) and a second discharge electrode (22) of different lengths.
13. An electrical purification structure according to claim 12, wherein the first discharge electrode (21) and the second discharge electrode (22) are uniformly arranged around the discharge plate (1).
14. An electrical purification structure according to claim 12, wherein the first discharge electrodes (21) and the second discharge electrodes (22) are alternately arranged at intervals along the axial direction of the discharge plate (1).
15. An electrical purification structure according to claim 1, wherein the discharge plate (1) is connected to a direct current power supply (4), the direct current power supply (4) applying a voltage to the discharge plate (1).
16. The electrical purification structure of claim 15, wherein the voltage is in a range of 5kV to 20kV.
17. An air cleaning apparatus, comprising: the electrical purification structure of any one of claims 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251466.3A CN109290056B (en) | 2018-10-25 | 2018-10-25 | Electric purification structure and air purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251466.3A CN109290056B (en) | 2018-10-25 | 2018-10-25 | Electric purification structure and air purification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109290056A CN109290056A (en) | 2019-02-01 |
| CN109290056B true CN109290056B (en) | 2024-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811251466.3A Active CN109290056B (en) | 2018-10-25 | 2018-10-25 | Electric purification structure and air purification device |
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| CN (1) | CN109290056B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU878344A1 (en) * | 1979-09-12 | 1981-11-07 | Уральский Научно-Исследовательский И Проектный Институт Медной Промышленности | Device for selective electric setting of fine non-magnetic suspensions |
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| CN109290056A (en) | 2019-02-01 |
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