CN105080712A - Electrostatic dust collection device and method - Google Patents
Electrostatic dust collection device and method Download PDFInfo
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- CN105080712A CN105080712A CN201510599376.3A CN201510599376A CN105080712A CN 105080712 A CN105080712 A CN 105080712A CN 201510599376 A CN201510599376 A CN 201510599376A CN 105080712 A CN105080712 A CN 105080712A
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Abstract
The invention discloses an electrostatic dust collection device. The electrostatic dust collection device comprises an electrode couple connected with a power source and a stickness layer; the electrode couple comprises a discharge electrode and a collection electrode, wherein the discharge electrode is used for corona discharge so as to enable gas to be ionized, so that dust is charged; and the collection electrode is used for collecting the charged dust, and the stickness layer is arranged on the collection electrode and is used for sticking the dust. The invention further discloses an electrostatic dust collection method. Therefore, the discharge electrode is used for corona discharge so as to enable the gas to be ionized, so that dust is charged; the collection electrode collects the charged dust through coulomb attraction; due to the fact that the stickness layer is adopted in the collection electrode for sticking the dust, the adhesive force of the dust on the surface of the collection electrode is increased, the dust collection efficiency is improved, and therefore the purification efficiency is improved.
Description
Technical field
The present invention relates to dust collecting technique field, especially relate to a kind of electrostatic dust-collecting device and a kind of electrostatic precipitation method.
Background technology
After electrostatic dust-collecting device is opened, the dust in Fluid Air and fine particle, after discharge electrode place is charged, move to the collector of oppositely charged, under the effect of Coulomb force, are deposited on collector, realize dedusting.But, when due to electrostatic dust-collecting device longtime running, collector surface can cover one deck or some layers of dust and particle, causes follow-up dust and particle to launch on sedimentary deposit and leaves collector surface, come back in Fluid Air, thus cause dust catching efficiency lower.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention needs to provide a kind of electrostatic dust-collecting device.
The present invention also needs to provide a kind of electrostatic precipitation method.
According to a kind of electrostatic dust-collecting device of embodiment of the present invention, comprise the electrode pair and adhesive layer that are connected with power supply.Described electrode pair comprises discharge electrode and collector, and described discharge electrode is used for corona discharge and makes gas ionization thus make dust charged, and described collector is for collecting charged described dust.Described adhesive layer is located on described collector, and described adhesive layer is for adhering to described dust.
The electrostatic dust-collecting device of embodiment of the present invention, discharge electrode corona discharge makes gas ionization thus makes dust charged, collector collects charged dust by Coulomb attraction power, because collector adopts adhesive layer to adhere to described dust, add the adhesive force of dust on collector surface, improve dust catching efficiency, thus improve purification efficiency.
In some embodiments, described collector comprises the collection surface for attract dust, and the angle between described collection surface and the flow direction of dust is less than 90 degree.
In some embodiments, described discharge electrode comprises wire and the multiple conductor tip from described wire outward radial extension.
In some embodiments, described collector comprises the conductor plate be arranged in parallel with described wire.
In some embodiments, the number of described wire is many, and the number of described multiple conductor plate is multiple, and described conductor plate be arranged in parallel, is provided with many described wires between every two adjacent described conductor plates.
In some embodiments, the cross section of described conductor plate is rectangle, cylindrical, pentagon, triangle or hexagon.
In some embodiments, the one side of described conductor plate or two-sided surface are provided with described adhesive layer.
In some embodiments, described adhesive layer comprises the paste sticky stuff coated on described conductor plate; Or described adhesive layer comprises the two-sided sticker with stickiness sticked on described conductor plate.
In some embodiments, the area of described adhesive layer is less than or equal to the surface area of collector.
In some embodiments, the thickness of described adhesive layer is 1mm-3mm.
According to the electrostatic precipitation method of embodiment of the present invention, comprise the following steps:
The discharge electrode corona discharge of electrode pair, makes the gas ionization between described electrode pair thus makes dust charged;
The Coulomb force between the collector of described electrode pair and described dust is utilized to make described collector adsorb described dust;
The adhesive layer on described collector is utilized to adhere to described dust.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the electrostatic dust-collecting device according to embodiment of the present invention.
Fig. 2 is the structural representation of the collector of electrostatic dust-collecting device according to embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly.Can be mechanical connection, also can be electrical connection.Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1 and Fig. 2, the electrostatic dust-collecting device 10 of embodiment of the present invention comprises the electrode pair be connected with power supply, electrode pair comprises discharge electrode 16 and collector 12, and discharge electrode 16 makes gas ionization for corona discharge thus makes dust charged, and collector 12 is for collecting charged dust.Adhesive layer 14 is located on collector 12, and adhesive layer 14 is for adhering dust.
The electrostatic dust-collecting device 10 of embodiment of the present invention, during work, discharge electrode 16 connects the positive pole of power supply, and collector 12 connects the negative pole of power supply.So, discharge electrode 16 produces a large amount of cations and anion for corona discharge makes gas ionization, and anion is discharged pole 16 and neutralizes, and cation moves to collector 12, cation makes its positively charged when encountering dust, and collector 12 is for passing through Coulomb attraction power collecting belt positive electricity dust.Owing to adopting adhesive layer 14 adhering dust, add the adhesive force of dust on collector 12 surface, improve dust catching efficiency, thus improve purification efficiency.
Be appreciated that in other embodiments, also can be that discharge electrode 16 connects the negative pole of power supply and collector 12 connects the positive pole of power supply.Now, discharge electrode 16 corona discharge makes gas ionization and produces a large amount of cations and anion, and cation is discharged pole 16 and neutralizes, and anion moves to collector 12, anion makes it electronegative when encountering dust, and the collector 12 of positively charged is by Coulomb attraction power collecting belt negative electricity dust.
The preferred discharge electrode 16 of electrostatic dust-collecting device 10 of embodiment of the present invention connects the positive pole of power supply, and so, electrostatic dust-collecting device 10 produces ozone amount and amount of nitrogen oxides is less.
In the present embodiment, the voltage between electrode pair is 4000-8000 volt.
So, electrostatic dust-collecting device 10 produce ozone amount and amount of nitrogen oxides less.
In present embodiment, discharge electrode 16 comprise wire 160 and with the multiple conductor tip 162 extended from wire 160 outward radial, thus be beneficial to and realize point discharge.Conductor tip 162 can be needle-like, prismatic, tip-angled shape, zigzag, prickle shape etc.
In the present embodiment, collector 12 comprises the collection surface for attract dust, and the angle between collection surface and the flow direction of dust is less than 90 degree.
So, collector 12 can stick fixing preferably to charged dust.
In the present embodiment, collector 12 comprises the conductor plate 120 be arranged in parallel with wire 160, and collector 12 surfacing is smooth.So, collector 12 substantially in tabular, is conducive to attract dust, and can avoids causing point discharge.
In the present embodiment, the number of wire 160 is many, and the number of conductor plate 120 is multiple, and multiple conductor plate 120 be arranged in parallel, is provided with multiple conducting wires 160 between every two adjacent conductor plates 120.
So, the dust collecting effect of electrostatic dust-collecting device 10 is better, and dust catching efficiency is higher.
The material of collector 12 is aluminium alloy or conduction ABS, and collector 12 does not react at normal temperature range with adhesive layer 14 and occurs aging.
In the present embodiment, the cross section of conductor plate 120 can be rectangle, cylindrical, pentagon, triangle, hexagon or irregularly shaped.Certainly, the shape of collector 12 is not limited to tabular, can also be other shapes, as circular tube shaped.
In the present embodiment, the one side of collector 12 or two-sided surface are provided with adhesive layer 14.
In the present embodiment, the area of adhesive layer 14 is less than or equal to the surface area of collector 12.
In the present embodiment, adhesive layer 14 comprises the paste sticky stuff coated on conductor plate 120.Or adhesive layer 14 comprises the two-sided sticker with stickiness sticked on conductor plate 120.
So, paste sticky stuff has good stickiness, and adhesive layer 14 can not in the surface of collector 12 generation significantly flowing or displacement at gravity or when there are vibrations.When adhesive layer 14 adopts sticker, it is installed and convenient disassembly on collector 12 surface, safeguards concise and to the point, with low cost.
Preferably, adhesive layer 14 comprises and coats Wax sealant on conductor plate 120 or lubricating grease.Wherein, adhesive layer 14 can be Perfluoropolyether lubricating grease or hydr ocarbon-based grease, but is not limited to Perfluoropolyether lubricating grease or hydr ocarbon-based grease.
So, Wax sealant or the adhesive force of lubricating grease to particle larger.
Adhesive layer 14 has high dielectric strength, can be applied in surface such as electronic devices and components such as collector 12 grade, not affect charged dust movement locus in the electric field.Adhesive layer 14 uses under wide temperature range, can not become dry in long term high temperature situation, can not freeze in prolonged cold situation, thus can not affect dust collecting effect.After adhesive layer 14 sticks dust, formed between staubosphere and collector 12 and occur without back corona phenomenon.The adhesive layer 14 at room temperature not virose gaseous material of tool such as Emitting Volatile organic pollution.
Adhesive layer 14 is installed on the surface of collector 12 by the mode smeared or paste.Corresponding, adhesive layer 14 is removed on the surface of collector 12 by cleaning or tearing the mode of tearing open.So, adhesive layer 14 is installed and convenient disassembly on collector 12 surface, safeguards concise and to the point, with low cost.
In the present embodiment, the thickness of adhesive layer 14 is 1mm-3mm.
So, adhesive layer 14 can good adhering dust.
After electrostatic dust-collecting device 10 is opened, dust in Fluid Air is charged under the effect of discharge electrode 16 corona discharge, charged dust moves to collector 12, the deflection of movement locus is there is under the effect of Coulomb force, deflection is to collector 12, charged dust is deposited on collector 12 and collides, and being finally attached on surface has on the collector 12 of adhesive layer 14, completes the deposition process of dust.Adhesive layer 14 increases the adhesive force of dust on collector 12 surface, improves only by the mode of Coulomb force Electrostatic Absorption dust, thus improves purification efficiency.
Electrostatic dust-collecting device 10 strengthens the dust adhesive force to deposition by adhesive layer 14, supplement the deficiency of electrostatic attraction, effectively prevent the dust depositing to collector 12 from returning in band air-flow under external force, such as the situation such as flow perturbation, complete machine vibrations, prevents the secondary pollution of dust.
Electrostatic dust-collecting device 10 and the electrostatic precipitation method of embodiment of the present invention can be used for air-conditioner or clarifier, but are not limited to air-conditioner or clarifier, also can be used for other electrical equipment.
According to the electrostatic precipitation method of embodiment of the present invention, comprise the following steps:
Discharge electrode 16 corona discharge of electrode pair, makes the gas ionization between electrode pair thus makes dust charged;
The Coulomb force between the collector 12 of electrode pair and dust is utilized to make collector 12 attract dust;
Utilize adhesive layer 14 adhering dust on collector 12.
So, owing to adopting adhesive layer 14 adhering dust, add the adhesive force of dust on collector 12 surface, improve dust catching efficiency, thus improve purification efficiency.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the present invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (11)
1. an electrostatic dust-collecting device, is characterized in that, comprising:
The electrode pair be connected with power supply, described electrode pair comprises discharge electrode and collector, and described discharge electrode is used for corona discharge and makes gas ionization thus make dust charged, and described collector is for collecting charged described dust; And
Be located at the adhesive layer on described collector, described adhesive layer is for adhering to described dust.
2. electrostatic dust-collecting device according to claim 1, is characterized in that, described collector comprises the collection surface for attract dust, and the angle between described collection surface and the flow direction of dust is less than 90 degree.
3. electrostatic dust-collecting device according to claim 1, is characterized in that, multiple conductor tip that described discharge electrode comprises wire and extends from described wire outward radial.
4. electrostatic dust-collecting device according to claim 3, is characterized in that, described collector comprises the conductor plate be arranged in parallel with described wire.
5. electrostatic dust-collecting device according to claim 4, is characterized in that, the number of described wire is many, and the number of described conductor plate is multiple, and described multiple conductor plate be arranged in parallel, is provided with many described wires between every two adjacent described conductor plates.
6. electrostatic dust-collecting device according to claim 4, is characterized in that, the cross section of described conductor plate is rectangle, cylindrical, pentagon, triangle or hexagon.
7. electrostatic dust-collecting device according to claim 4, is characterized in that, one side or the two-sided surface of described conductor plate are provided with described adhesive layer.
8. electrostatic dust-collecting device according to claim 4, is characterized in that, described adhesive layer comprises the paste sticky stuff coated on described conductor plate; Or
Described adhesive layer comprises the two-sided sticker with stickiness sticked on described conductor plate.
9. electrostatic dust-collecting device according to claim 1, is characterized in that, the area of described adhesive layer is less than or equal to the surface area of collector.
10. electrostatic dust-collecting device according to claim 1, is characterized in that, the thickness of described adhesive layer is 1mm-3mm.
11. 1 kinds of electrostatic precipitation methods, is characterized in that, comprise the following steps:
The discharge electrode corona discharge of electrode pair, makes the gas ionization between described electrode pair thus makes dust charged;
The Coulomb force between the collector of described electrode pair and described dust is utilized to make described collector adsorb described dust;
The adhesive layer on described collector is utilized to adhere to described dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510599376.3A CN105080712A (en) | 2015-09-18 | 2015-09-18 | Electrostatic dust collection device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510599376.3A CN105080712A (en) | 2015-09-18 | 2015-09-18 | Electrostatic dust collection device and method |
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| CN105080712A true CN105080712A (en) | 2015-11-25 |
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| CN201510599376.3A Pending CN105080712A (en) | 2015-09-18 | 2015-09-18 | Electrostatic dust collection device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105597438A (en) * | 2016-01-12 | 2016-05-25 | 营口营成电子设备有限公司 | Purifying device based on high-voltage electrostatic field for adsorbing and filtering particles in air |
| CN105772222A (en) * | 2016-05-13 | 2016-07-20 | 江苏宏标科技有限公司 | Double-electric zone dust treatment device and utilization method thereof |
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| DE2412995A1 (en) * | 1974-03-18 | 1975-10-02 | Buderus Eisenwerk | Air filter with elements at an angle - having inclined or zig-zag configuration which can have electrical charge |
| JPS6115750A (en) * | 1984-06-30 | 1986-01-23 | Corona Giken Kogyo Kk | Apparatus for purifying exhaust gas |
| CN2184487Y (en) * | 1994-03-18 | 1994-12-07 | 浙江大学 | Composite dust collecting board static dust collecting device of air purifier |
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