CN115608516A - Electrostatic oil purifying device - Google Patents
Electrostatic oil purifying device Download PDFInfo
- Publication number
- CN115608516A CN115608516A CN202211369836.XA CN202211369836A CN115608516A CN 115608516 A CN115608516 A CN 115608516A CN 202211369836 A CN202211369836 A CN 202211369836A CN 115608516 A CN115608516 A CN 115608516A
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- Prior art keywords
- oil
- plate
- electrostatic
- negative
- negative plate
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- 238000000746 purification Methods 0.000 claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 17
- 230000005684 electric field Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 12
- 231100000719 pollutant Toxicity 0.000 claims abstract description 12
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 8
- 239000010951 brass Substances 0.000 claims abstract description 8
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 68
- 239000012535 impurity Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000005686 electrostatic field Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Images
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
- B03C5/00—Separating dispersed particles from liquids by electrostatic effect
- B03C5/02—Separators
- B03C5/022—Non-uniform field separators
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention provides an electrostatic oil purifying device, which belongs to the technical field of insulating oil purification and comprises a reaction container and an electric cabinet, wherein the reaction container comprises a box body and a sealing cover; an electrode device for enabling pollutant particles to move directionally is arranged inside the box body; the electrode device comprises positive plates and negative plates which are placed in parallel and alternately arranged at equal intervals; the positive plate is a flat plate and is made of brass; the negative plate is a wave-shaped plate and is made of brass; the surfaces of the positive plate and the negative plate are both provided with dust collectors for adsorbing pollutants in oil; the electric cabinet is internally provided with an electrostatic generator which is respectively electrically connected with the positive plate and the negative plate, and a high-voltage electric field is formed between the positive plate and the negative plate so as to adsorb and separate pollutant particles in flowing oil liquid between the positive plate and the negative plate.
Description
Technical Field
The invention belongs to the technical field of insulating oil purification, and particularly relates to an electrostatic oil purification device.
Background
At present, the filtration technology that insulating oil purification regeneration used, because of the relatively poor and unable abundant separation oil impurity of filter media precision, especially the polar colloid type impurity to insulating oil after the purification of prior art, the dielectric loss value is difficult to obtain effective reduction, has seriously restricted purification regeneration effect. The electrostatic adsorption purified transformer oil can obviously reduce the dielectric loss of oil products, because the electrostatic oil purification technology can utilize a high-voltage electrostatic field to adsorb impurity particles on a dust collecting body, thereby removing submicron-grade impurities in the oil liquid and enabling the purified transformer oil to meet the national standard. The technology is applied to the purification and regeneration of the transformer oil, the purification effect of the transformer oil can be greatly improved, the transformer oil can be recycled, and the safety risk is reduced.
The electrostatic oil purification technology can remove particle impurities below 0.01 mu m in oil liquid, and has incomparable advantages in indexes such as reduction of the acid value of oil products, dielectric loss and the like. At present, most of electrostatic essential oil devices at home and abroad need to adopt a columnar structure for an impurity dust collector for insulation and adsorption, and need to be filled between a positive plate and a negative plate, because a columnar medium is in an electrostatic field, an electric field around the column can be distorted, namely a non-uniform electric field is formed around the columnar medium, and just under the action of the non-uniform electric field, pollutants with dielectric constants larger than that of oil rapidly swim to the direction of the strong electric field when moving to the vicinity of the columnar body along with oil flow, and are adsorbed and precipitated on the surface of the columnar medium. Due to the filling structure, the processing speed is low in the actual use process, the content of moisture and conductive particles in oil is limited, and the short circuit phenomenon of oil purification equipment is easy to occur. Thus, such oil purification equipment has not been widely used until now.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an electrostatic oil purifier, which is characterized in that one polar plate is arranged into a wave-shaped structure, so that a non-uniform electric field can be generated between two polar plates with opposite polarities, unlike the prior art that a columnar medium is required to be filled between the polar plates to generate the non-uniform electric field, and a dust collection body is covered on the surface of the electrode, so that the electrostatic oil purifier not only has better purification efficiency, but also can prevent the electrode from being polluted, and the medium loss of transformer oil is obviously reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electrostatic oil purifying device comprises a reaction vessel and an electric cabinet, wherein the reaction vessel comprises a box body and a sealing cover;
an electrode device for enabling pollutant particles to move directionally is arranged inside the box body; the electrode device comprises positive plates and negative plates which are placed in parallel and alternately arranged at equal intervals; the positive plate is a flat plate type polar plate made of brass; the negative plate is a wave-shaped plate and is made of brass; the surfaces of the positive plate and the negative plate are both provided with dust collectors for adsorbing pollutants in oil;
the electric cabinet is internally provided with an electrostatic generator which is respectively electrically connected with the positive plate and the negative plate, and a high-voltage electric field is formed between the positive plate and the negative plate so as to adsorb and separate pollutant particles in flowing oil liquid between the positive plate and the negative plate.
Further, the reaction container is provided with an oil inlet and an oil outlet.
Further, the oil inlet is connected with the lower side of the box body through an oil inlet pipeline, and the oil outlet is formed in the top of the sealing cover.
Further, be provided with the oil pump on the oil inlet pipe, this oil pump and electric cabinet electric connection.
Further, a motor speed regulator for controlling the revolution of the oil pump is arranged in the electric cabinet.
Further, an oil inlet valve is arranged on the oil inlet pipeline.
Furthermore, the box body and the sealing cover are detachably connected, and a sealing gasket is arranged at the joint of the box body and the sealing cover.
Furthermore, the dust collecting body is detachably connected with the positive plate and the negative plate, and the dust collecting body has a porous structure with adsorption effect.
The invention adopting the technical scheme can bring the following beneficial effects:
according to the invention, one of the polar plates is creatively arranged into a wave shape, so that a non-uniform electric field is formed without filling a columnar medium between the two polar plates, and the short circuit phenomenon can be effectively avoided; the dust collecting body is covered on the surface of the polar plate, so that the electrode can be protected from being polluted; the invention can improve the purification efficiency and obviously reduce the dielectric loss of the transformer oil.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of an electrostatic oil purifier provided by the present invention;
FIG. 2 is a schematic structural view of a negative plate of the present invention;
fig. 3 is a schematic structural view of the arrangement of the positive and negative electrode plates in the reaction vessel according to the present invention.
In the figure: 1. an electric cabinet; 2. an oil inlet; 3. an oil inlet valve; 4. an oil inlet pipeline; 5. a negative electrode lead; 6. an oil pump; 7. a positive electrode lead; 8. a box body; 9. an oil outlet; 10. sealing the cover; 11. a dust collecting body; 12. a positive plate; 13. a negative plate; 14. a reaction vessel.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 3, an electrostatic oil purification device mainly includes a reaction vessel 14, and an electric cabinet 1 for controlling the equipment in the reaction vessel 14 to perform a purification reaction, wherein the reaction vessel includes a box 8 and a cover 10, the cover 10 is located at the top of the box 8, and the cover 10 is detachably connected with the box 8, so as to facilitate cleaning and maintenance of the equipment in the box 8, and it is pointed out that a sealing gasket is required to be arranged at the joint of the cover 10 and the box 8, so as to prevent oil leakage; an electrode device for polarizing pollution particles in oil liquid is arranged in the reaction container 14, and comprises positive plates 12 and negative plates 13 which are arranged in parallel and are arranged alternately at equal intervals; wherein, the positive plate 12 is a flat plate made of brass; the negative plate 13 is a wave-shaped polar plate and is made of brass; the surfaces of the positive plate 12 and the negative plate 13 are covered with dust collecting bodies 11 for adsorbing pollutants in oil, the dust collecting bodies 11 are detachably connected with the positive plate 12 and the negative plate 13, and the dust collecting bodies 11 have a porous structure with an adsorption effect;
the reaction container 14 is also provided with an oil inlet 2 and an oil outlet 9, wherein the oil inlet 2 is connected with the lower side of the box body 8 through an oil inlet pipeline 4, the oil outlet 9 is arranged at the top of the sealing cover 10, and the oil inlet pipeline 4 is provided with an oil pump 6 and an oil inlet valve 3;
the electric cabinet 1 is internally provided with an electrostatic generator, the electrostatic generator is connected with the positive plate 12 through a wire 6 and connected with the negative plate 13 through a wire 7, the electrostatic generator can form a high-voltage electric field between the positive plate 12 and the negative plate 13, the high-voltage electric field is an electric field formed by applying a voltage of several kilovolts, and the electric high-voltage electric field is a large-range high-gradient non-uniform electrostatic field due to the specific wave-shaped structure of the negative plate 13, so that pollutant particles in oil flowing between the positive plate 12 and the negative plate 13 can be adsorbed and separated more efficiently; of course, it is also possible to provide the positive electrode plate 12 in a wave-shaped structure and the negative electrode plate 13 in a flat plate structure.
In addition, still be provided with the motor governor of control oil pump 6 revolution in the electric cabinet 1, adjust the flow parameter of fluid in the box 8 through the revolution of oil pump 6, cooperate the electrode assembly to reach best filtration operating mode.
The electrostatic oil purifier provided by the invention is provided with the dust collecting body 11, so that the electrostatic oil purifier can intercept pollution particles like a traditional oil purifier, and meanwhile, the dust collecting body 11 is arranged on the surface of the polar plate and is not filled between the positive plate and the negative plate, so that the risk of short circuit of the traditional electrostatic oil purifier is avoided, and the positive plate and the negative plate can be protected from pollution. Because special wave type polar plate structure can form the gradient electric field in reactor inside for this static oil purifier has the ability of further filtering neutral polarity impurity, and the static oil purifier that this embodiment provided all promotes by a wide margin than traditional oil purifier purification efficiency and filter fineness.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. It should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the true spirit and scope of the invention.
Claims (8)
1. The utility model provides an electrostatic oil purification device, includes reaction vessel (14) and electric cabinet (1), its characterized in that: the reaction container (14) comprises a box body (8) and a sealing cover (10);
an electrode device for enabling pollutant particles to directionally move is arranged in the box body (8); the electrode device comprises positive plates (12) and negative plates (13) which are arranged in parallel and are alternately arranged at equal intervals; wherein the positive plate (12) is a flat plate and is made of brass; the negative plate (13) is a wave-shaped plate and is made of brass; dust collectors (11) for adsorbing pollutants in oil are arranged on the surfaces of the positive plate (12) and the negative plate (13);
be provided with the electrostatic generator in automatically controlled box (1), this electrostatic generator respectively with positive plate (12) and negative plate (13) electric connection to form high-voltage electric field between positive plate (12) and negative plate (13), with carry out adsorption separation with the pollutant particle in the flowing fluid between positive plate (12) and negative plate (13).
2. The electrostatic oil purification apparatus according to claim 1, wherein: the reaction container (14) is provided with an oil inlet (2) and an oil outlet (9).
3. An electrostatic oil purification apparatus as claimed in claim 2, wherein: the oil inlet (2) is connected with the lower side of the box body (8) through an oil inlet pipeline (4), and the oil outlet (9) is arranged at the top of the sealing cover (10).
4. An electrostatic oil purification apparatus according to claim 3, wherein: an oil pump (6) is arranged on the oil inlet pipeline (4), and the oil pump (6) is electrically connected with the electric cabinet (1).
5. An electrostatic oil purification apparatus as claimed in claim 4, wherein: and a motor speed regulator for controlling the revolution of the oil pump (6) is arranged in the electric cabinet (1).
6. An electrostatic oil purification apparatus as claimed in claim 4, wherein: and an oil inlet valve (3) is arranged on the oil inlet pipeline (4).
7. The electrostatic oil purification apparatus according to claim 1, wherein: the box body (8) is detachably connected with the sealing cover (10), and a sealing washer is arranged at the joint of the box body and the sealing cover.
8. The electrostatic oil purification apparatus according to claim 1, wherein: the dust collecting body (11) is detachably connected with the positive plate (12) and the negative plate (13), and the dust collecting body (11) has a porous structure with an adsorption effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211369836.XA CN115608516A (en) | 2022-11-03 | 2022-11-03 | Electrostatic oil purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211369836.XA CN115608516A (en) | 2022-11-03 | 2022-11-03 | Electrostatic oil purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115608516A true CN115608516A (en) | 2023-01-17 |
Family
ID=84875990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211369836.XA Pending CN115608516A (en) | 2022-11-03 | 2022-11-03 | Electrostatic oil purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115608516A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09201549A (en) * | 1996-01-25 | 1997-08-05 | Nippon Spindle Mfg Co Ltd | Electrostatic oil purifier |
| JPH1015435A (en) * | 1996-07-02 | 1998-01-20 | Kuriintetsuku Kogyo:Kk | Electrostatic oil purifier |
| CN2663008Y (en) * | 2003-12-26 | 2004-12-15 | 刘天荣 | Electrostatic oil purifying apparatus |
| JP2006000801A (en) * | 2004-06-21 | 2006-01-05 | Toyohashi Univ Of Technology | Charge injection type electrostatic oil cleaning apparatus |
| CN102233209A (en) * | 2010-05-06 | 2011-11-09 | 张国定 | Charge build-up oil purifier |
| CN105880029A (en) * | 2016-05-31 | 2016-08-24 | 广州大陈精工电子科技有限公司 | Electrode oil purification device |
| CN205599333U (en) * | 2016-04-15 | 2016-09-28 | 武汉隆亿达环保科技有限公司 | High -voltage electrostatic purifier |
| CN206240631U (en) * | 2016-10-18 | 2017-06-13 | 宝鸡雷博精密工业有限责任公司 | Electrostatic dust collection equipment undaform pole plate current-collector |
| CN107262288A (en) * | 2017-07-27 | 2017-10-20 | 重庆科技学院 | Electrostatic purification device with metallic particles |
| CN107570324A (en) * | 2017-10-19 | 2018-01-12 | 江门市杰信通信工程有限公司 | A kind of air purifier for being applicable computer room |
| US20200270159A1 (en) * | 2019-02-21 | 2020-08-27 | Disco Corporation | Sludge drying apparatus |
| CN216396701U (en) * | 2021-12-09 | 2022-04-29 | 安徽工业大学 | Electrostatic filter based on high-efficient purification treatment of fluid |
-
2022
- 2022-11-03 CN CN202211369836.XA patent/CN115608516A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09201549A (en) * | 1996-01-25 | 1997-08-05 | Nippon Spindle Mfg Co Ltd | Electrostatic oil purifier |
| JPH1015435A (en) * | 1996-07-02 | 1998-01-20 | Kuriintetsuku Kogyo:Kk | Electrostatic oil purifier |
| CN2663008Y (en) * | 2003-12-26 | 2004-12-15 | 刘天荣 | Electrostatic oil purifying apparatus |
| JP2006000801A (en) * | 2004-06-21 | 2006-01-05 | Toyohashi Univ Of Technology | Charge injection type electrostatic oil cleaning apparatus |
| CN102233209A (en) * | 2010-05-06 | 2011-11-09 | 张国定 | Charge build-up oil purifier |
| CN205599333U (en) * | 2016-04-15 | 2016-09-28 | 武汉隆亿达环保科技有限公司 | High -voltage electrostatic purifier |
| CN105880029A (en) * | 2016-05-31 | 2016-08-24 | 广州大陈精工电子科技有限公司 | Electrode oil purification device |
| CN206240631U (en) * | 2016-10-18 | 2017-06-13 | 宝鸡雷博精密工业有限责任公司 | Electrostatic dust collection equipment undaform pole plate current-collector |
| CN107262288A (en) * | 2017-07-27 | 2017-10-20 | 重庆科技学院 | Electrostatic purification device with metallic particles |
| CN107570324A (en) * | 2017-10-19 | 2018-01-12 | 江门市杰信通信工程有限公司 | A kind of air purifier for being applicable computer room |
| US20200270159A1 (en) * | 2019-02-21 | 2020-08-27 | Disco Corporation | Sludge drying apparatus |
| CN216396701U (en) * | 2021-12-09 | 2022-04-29 | 安徽工业大学 | Electrostatic filter based on high-efficient purification treatment of fluid |
Non-Patent Citations (1)
| Title |
|---|
| 周士瑜 , 龚烈航: "静电净油机净化电场及集尘体结构的研究", 中国矿业大学学报, no. 04, 30 December 1986 (1986-12-30) * |
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