CN109317312B - Hanging mechanism of electrostatic dust collector - Google Patents
Hanging mechanism of electrostatic dust collector Download PDFInfo
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- CN109317312B CN109317312B CN201811458687.8A CN201811458687A CN109317312B CN 109317312 B CN109317312 B CN 109317312B CN 201811458687 A CN201811458687 A CN 201811458687A CN 109317312 B CN109317312 B CN 109317312B
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- porcelain insulator
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- 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
- B03C3/86—Electrode-carrying means
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Abstract
The invention relates to the technical field of electrostatic dust removal, in particular to a hanging mechanism of an electrostatic dust collector, which has the technical scheme that: a hanging mechanism of an electrostatic dust collector comprises a hanging rod, an insulating baffle, a porcelain insulator and a base; the insulating baffle, the porcelain insulator and the base are sequentially arranged from top to bottom, and the suspender sequentially penetrates through the insulating baffle, the porcelain insulator and the base. The upper end taper groove of base. An annular air guide groove is formed in the bottom surface of the conical groove, and the lower end surface of the porcelain insulator covers part of an opening of the annular air guide groove along the circumferential direction; the base is also provided with air outlet holes penetrating through the upper end and the lower end, the air outlet holes are positioned at the inner side of the annular air guide groove, and the suspender penetrates through the base through the air outlet holes; the lower end face of the insulating baffle is provided with an annular air deflector; the annular air deflector is used for guiding the air of the air guide channel to the outer wall of the porcelain insulator. According to the technical scheme of the invention, the porcelain insulator can be prevented from pollution flashover.
Description
Technical Field
The invention relates to the technical field of electrostatic dust removal, in particular to a hanging mechanism of an electrostatic dust collector.
Background
An electrostatic precipitator is an efficient dust removing device for trapping fine dust in gas, and is a device for separating solid or liquid particles from gas flow by using electrostatic force so as to purify dust-containing flue gas. When high-voltage direct current is applied between the discharge electrodes and the dust collecting electrodes which are arranged at intervals in the electric dust collector to form an electric field, a space enough for gas ionization is maintained, and the gas around the discharge electrodes is ionized to form gas ions and electrons. When the dust-containing gas passes through the electric field, ions and electrons are attached to the surface of dust particles in motion to charge the dust particles, and the charged particles move to the dust collecting electrode under the action of the electric field force and are deposited on the dust collecting electrode, so that the aim of separating the dust particles from the gas flow is fulfilled. When the dust layer on the dust collecting pole reaches a certain thickness, the dust falls into the dust hopper under the action of gravity.
The porcelain insulator-electric porcelain sleeve for the electrostatic precipitator is used for sealing and insulating protection of a corona electrode suspension frame suspender at a position where the suspender penetrates through a field shell. Applying white or brown enamel on the outer surface of the electric porcelain sleeve, and grinding two end surfaces.
The porcelain insulator for the high-voltage electrostatic dust collector is polluted by the surrounding environment, and a layer of filth is gradually deposited on the surface of the porcelain insulator. When the insulator is subjected to a humid environment, a water film is formed on the surface of the insulator, soluble rocks in a polluted layer are dissolved in water, and thus an electric conduction water film is formed, so that leakage current flows along the surface of the insulator, the current and voltage distribution on the surface of the insulator are uneven due to different pollution degrees and moisture degrees, and the dry zone bears higher voltage. When the electric field strength is sufficiently large, a creeping discharge across the dry zone will occur, the discharge type being possibly a glow discharge, a spark discharge or the generation of a partial arc. Partial arcing is an intermittent discharge process that can last for a significant period of time, and develops gradually when dirty and wet conditions are severe; when the critical state is reached or exceeded, the electric arc penetrates through the two electrodes to complete flashover, the operation and maintenance are required to be stopped, and the influence on normal production is large.
In order to avoid the occurrence of the above-mentioned pollution flashover phenomenon, some manufacturers design a special cleaning device on the electrostatic precipitator to clean the porcelain insulator 20. As shown in fig. 1 and 2, the cleaning device includes a baffle 10 and a base 30, the baffle 10 covers the upper end of the porcelain insulator 20 and is in sealing fit with the upper end of the porcelain insulator 20, and the base 30 is annular to form a central hole 303 in the middle. The base 30 is attached to the lower end of the porcelain insulator 20. The base 30 has an inner cavity, an air outlet 302 communicating with the inner cavity is formed on the upper surface of the base 30, and an air inlet 301 communicating with the inner cavity is formed on the side wall of the base 30. The number of the air outlets 302 is plural and is distributed in a circle around the center line of the base 30. The gas outlet 302 is opposite to the inner hole of the porcelain insulator 20. High-pressure gas can be introduced into the base 30 from the gas inlet 301, and the high-pressure gas flows into the inner hole of the porcelain insulator 20 from the gas outlet 302 of the base 30 so as to clean the inner hole of the porcelain insulator 20, and then flows out from the central hole 303 of the base 30.
Although the cleaning device can play a certain cleaning role in the inner hole of the porcelain insulator 20, the hidden danger of pollution flashover also exists. Specifically, dust is still deposited between two adjacent air outlets 302 of the base 30 and at the inner edge of the upper end surface of the base 30, and the dust may spread to the inner surface of the porcelain insulator 20 over a long period of time, resulting in a pollution flashover phenomenon. In addition, this cleaning device can only clean the inner wall of porcelain insulator 20, can not clean the outer wall of porcelain insulator 20, leads to the easy deposit dust on the outer wall of porcelain insulator 20 and takes place the phenomenon of pollution flashover.
In view of the above problems, those skilled in the art are urgently required to design a new scheme to solve the problems.
Disclosure of Invention
In view of the above, the invention provides a hanging mechanism of an electrostatic precipitator, and mainly aims to solve the technical problem that the outer wall of a porcelain insulator of the conventional electrostatic precipitator and a base of a cleaning device are easy to deposit dust, so that a pollution flashover phenomenon is caused.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
the embodiment of the invention provides a hanging mechanism of an electrostatic dust collector, which comprises a hanging rod, an insulating baffle, a porcelain insulator and a base, wherein the hanging rod is arranged on the base;
the insulating baffle, the porcelain insulator and the base are sequentially arranged from top to bottom, the suspender sequentially penetrates through the insulating baffle, the porcelain insulator and the base, the suspender is in threaded connection with the adjusting nut, and the adjusting nut is pressed on one side of the insulating baffle, which is far away from the porcelain insulator; the lower end of the suspender is used for being connected with the cathode wire;
the upper end of the base is provided with a conical groove which is consistent with the shape of the lower end of the porcelain insulator, the lower end of the porcelain insulator is assembled in the conical groove, the lower end face of the porcelain insulator is abutted against the bottom surface of the conical groove, and the outer wall of the porcelain insulator is in interference fit with the side wall of the conical groove;
an annular air guide groove is formed in the bottom surface of the conical groove and is overlapped with the central line of the porcelain insulator; the lower end surface of the porcelain insulator covers the opening of part of the annular air guide groove along the circumferential direction; the annular air guide groove is provided with a first side wall and a second side wall which are opposite, the second side wall is positioned on the inner side of the first side wall, and the upper end of the second side wall is lower than that of the first side wall; the outer wall of the base is provided with an air inlet hole penetrating to the annular air guide groove;
the base is also provided with air outlet holes penetrating through the upper end and the lower end, the air outlet holes are positioned on the inner side of the annular air guide groove, and the suspender penetrates through the base through the air outlet holes;
the lower end of the insulating baffle is provided with a convex column, and the insulating baffle abuts against the upper end face of the porcelain insulator through the convex column; the number of the convex columns is more than two, and the convex columns are distributed in a circular shape along the central line of the porcelain insulator; an air guide channel communicated with the interior of the porcelain insulator is formed between every two adjacent convex columns;
an annular air deflector is arranged on the lower end face of the insulating baffle; the upper end of the porcelain insulator is inserted into the inner side of the annular air deflector, and a gap is formed between the porcelain insulator and the annular air deflector; the annular air deflector is used for guiding the air of the air guide channel to the outer wall of the porcelain insulator;
the outer wall of the base is in a conical shape, and the outer diameter of the base is gradually increased from top to bottom; the upper end of the outer wall of the base is intersected with the upper end of the inner wall of the conical groove;
the first side wall and the second side wall are conical surfaces, and the first side wall, the second side wall and the inner wall of the porcelain insulator are parallel to each other.
The invention is further configured to: the air inlet is a linear hole, and the center line of the air inlet is tangent to the first side wall and the second side wall.
The invention is further configured to: the inner wall of the annular air deflector is conical and is parallel to the outer wall of the porcelain insulator, and the central line of the annular air deflector is superposed with the central line of the porcelain insulator.
By the technical scheme, the hanging mechanism of the electrostatic dust collector at least has the following beneficial effects:
in the technical scheme provided by the invention, because the upper end of the second side wall of the annular air guide groove is lower than the upper end of the first side wall, and the lower end surface of the porcelain insulator covers the annular air guide groove along the circumferential direction, when wind flows out from the opening at the upper end of the annular air guide groove, the wind can impact the lower end surface of the porcelain insulator, so that part of wind upwards flows into an inner hole of the porcelain insulator, and the inner wall of the porcelain insulator is cleaned; the inward flange of another part wind level outflow to the base up end cleans to can effectively prevent the deposit of dust on the base up end, reduce the risk that porcelain insulator takes place the pollution flashover.
In addition, because the lower extreme of insulating barrier is equipped with the projection, is formed with the inside wind-guiding passageway of intercommunication porcelain insulator between two adjacent projections, and can lead the wind of wind-guiding passageway to the outer wall of porcelain insulator through the annular aviation baffle that sets up to can also clean the outer wall of porcelain insulator, further reduce the risk that the porcelain insulator takes place the pollution flashover.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a cleaning apparatus of the prior art;
FIG. 2 is a schematic view of the base of the cleaning device of FIG. 1;
FIG. 3 is a schematic cross-sectional view of an electrostatic precipitator hanging mechanism according to an embodiment of the present invention;
fig. 4 is a side view of an electrostatic precipitator hanging mechanism according to an embodiment of the present invention.
Reference numerals: 1. a boom; 2. adjusting the nut; 3. an insulating baffle; 4. an annular air deflector; 5. a porcelain insulator; 6. a base; 7. clamping a hoop; 31. a convex column; 51. the inner wall of the porcelain insulator; 52. the outer wall of the porcelain insulator; 61. an annular air guide groove; 62. an air outlet; 63. an air inlet hole; 64. a tapered groove; 601. an outer wall of the base; 611. a first side wall; 612. a second side wall; 621. a first stage; 622. a second stage; 100. electrostatic precipitator hangs mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 3, an embodiment of the present invention provides an electrostatic precipitator hanging mechanism 100, which includes a suspension rod 1, an insulating baffle 3, a porcelain insulator 5 and a base 6. The insulating baffle 3, the porcelain insulator 5 and the base 6 are sequentially arranged from top to bottom. The suspender 1 sequentially penetrates through the insulating baffle 3, the porcelain insulator 5 and the base 6. The hanger rod 1 is connected with an adjusting nut 2 through screw threads. The adjusting nut 2 is pressed on one side of the insulating baffle 3, which is far away from the porcelain insulator 5. The lower end of the suspender 1 is used for being connected with a cathode wire.
The upper end of the base 6 is provided with a tapered groove 64 which is consistent with the shape of the lower end of the porcelain insulator 5. The lower end of the porcelain insulator 5 is fitted in the tapered groove 64. The lower end face of the porcelain insulator 5 abuts against the bottom face of the conical groove 64, and the outer wall 52 of the porcelain insulator 5 is in interference fit with the side wall of the conical groove 64, so that the base 6 and the porcelain insulator 5 are kept relatively fixed.
The bottom surface of the tapered groove 64 is provided with an annular air guiding groove 61. The annular air guide groove 61 is superposed with the central line of the porcelain insulator 5. The lower end surface of the porcelain insulator 5 circumferentially covers the opening of the annular air guide groove 61. The annular air-guiding groove 61 has opposite first and second side walls 611 and 612. The second sidewall 612 is located inside the first sidewall 611. The upper end of the second sidewall 612 is lower than the upper end of the first sidewall 611. The outer wall 601 of the base 6 has an air inlet 63 (as shown in fig. 4) penetrating the annular air guiding groove 61.
The base 6 is also provided with air outlets 62 penetrating the upper and lower ends. The air outlet 62 is located inside the annular air guiding groove 61. The hanger bar 1 passes through the base 6 via the air outlet 62.
Wherein, the air inlet 63 on the base 6 can be connected with an external blower. The wind enters the annular wind guide groove 61 from the wind inlet hole 63. Then, the air flows out from the upper end opening of the annular air guide groove 61, and the lower end surface of the porcelain insulator 5 covers the opening of the annular air guide groove 61 along the circumferential direction, so that the air can impact the lower end surface of the porcelain insulator 5, a part of the air flows into the inner hole of the porcelain insulator 5 upwards, and the inner wall 51 of the porcelain insulator 5 is cleaned; and because the upper end of the second side wall 612 of the annular air guiding groove 61 is lower than the upper end of the first side wall 611, the other part of the air horizontally flows out to clean the inner edge of the upper end surface of the base 6, so that the dust can be effectively prevented from being deposited on the upper end surface of the base 6, and the risk of pollution flashover of the porcelain insulator 5 is reduced.
As shown in fig. 3, the lower end of the insulating barrier 3 has a boss 31. The insulating baffle 3 is abutted against the upper end face of the porcelain insulator 5 through the convex column 31. The number of the convex columns 31 is more than two, and the convex columns are distributed in a circular shape along the central line of the porcelain insulator 5. An air guide channel communicated with the interior of the porcelain insulator 5 is formed between two adjacent convex columns 31. And an annular air deflector 4 is arranged on the lower end surface of the insulating baffle 3. The upper end of the porcelain insulator 5 is inserted into the inner side of the annular air deflector 4, and a gap is arranged between the porcelain insulator and the annular air deflector. The annular air deflector 4 is used for guiding the air of the air guiding channel to the outer wall 52 of the porcelain insulator 5. Specifically, a part of the wind flowing into the inner hole of the porcelain insulator 5 from the annular wind guide groove 61 can flow into the wind guide channel from the upper end of the porcelain insulator 5 and then flow to the outer wall 52 of the porcelain insulator 5 through the guide of the annular wind guide plate 4, so that the outer wall 52 of the porcelain insulator 5 is cleaned, and the risk of pollution flashover of the porcelain insulator 5 is further reduced.
In the above-mentioned example, base 6 and insulating barrier 3 both cooperate, both can clean the hole of porcelain insulator 5, can also clean the outer wall 52 of porcelain insulator 5 to greatly reduced porcelain insulator 5 and taken place the risk of pollution flashover, the security performance is higher.
Further, the base 6 may be a two-half structure, and is a first base half and a second base half respectively. Be equipped with the buckle on first half base and second half base one of them, be equipped with the draw-in groove on the other, the buckle is used for with the draw-in groove joint to connect first half base and second half base.
In the above example, by providing the base 6 in a two-piece detachable structure, it is convenient to fit the lower end of the porcelain insulator 5 into the tapered groove 64 in the upper end of the base 6.
Further, as shown in fig. 3 and 4, an outer wall 601 of the base 6 may be provided with an inward-concave annular groove. The clamp 7 is connected in the annular clamping groove in a clamped mode, so that the connection stability of the first half base and the second half base can be further improved.
As shown in fig. 3, the first sidewall 611 and the second sidewall 612 may have tapered surfaces. The first side wall 611, the second side wall 612 and the inner wall 51 of the porcelain insulator 5 are parallel to each other, so that the cleaning of the annular air guiding groove 61 by the wind along the inner wall 51 of the porcelain insulator 5 is facilitated, and the cleaning effect is better.
Further, the air inlet holes 63 may be linear holes, and the center lines of the air inlet holes 63 are tangent to the first side wall 611 and the second side wall 612, so as to prevent the air flowing out of the air inlet holes 63 from directly colliding with the first side wall 611 and the second side wall 612 to cause energy loss.
Further, as shown in fig. 3, the inner wall of the annular air guiding plate 4 may be tapered and parallel to the outer wall 52 of the porcelain insulator 5, and the center line of the annular air guiding plate 4 coincides with the center line of the porcelain insulator 5. In this example, the annular air deflector 4 can guide out the wind along the direction parallel to the outer wall of the porcelain insulator 5, which is beneficial to cleaning the outer wall 52 of the porcelain insulator 5.
Further, as shown in fig. 3, the outer wall 601 of the base 6 may be tapered, and the outer diameter gradually increases from top to bottom. The upper end of the outer wall 601 of the base 6 is intersected with the upper end of the inner wall of the conical groove 64 to form a circular edge line, so that the deposition of dust at the position can be reduced, the dust is prevented from being deposited on the outer wall 52 of the porcelain insulator 5, and the risk of pollution flashover of the porcelain insulator 5 is further reduced.
Further, as shown in fig. 3, the air outlet 62 may have a first section 621 and a second section 622 sequentially connected from top to bottom. The first section 621 and the second section 622 are tapered. The inner diameter of the first section 621 gradually decreases from top to bottom, and the inner diameter of the second section 622 gradually increases from top to bottom.
Through the arrangement, the inner diameter of the first section 621 is gradually reduced from top to bottom, so that the air speed flowing out of the first section 621 is gradually increased, and the dust in the inner hole of the porcelain insulator 5 is favorably brought out. And because the inner diameter of the second section 622 gradually increases from top to bottom, so that a distinct positive pressure region, a buffer region and a negative pressure region are formed step by step from the second section 622 to the inside of the electric field, thereby reducing the interference to the pressure inside the electric field.
Further, the upper end of the inner wall of the first section 621 may intersect with the upper end of the second side wall 612 to form a circular border line, so as to prevent dust from depositing, and further reduce the risk of occurrence of pollution flashover of the porcelain insulator 5.
Here, it should be noted that: in the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (3)
1. A hanging mechanism of an electrostatic dust collector is characterized by comprising a hanging rod (1), an insulating baffle (3), a porcelain insulator (5) and a base (6);
the insulating baffle (3), the porcelain insulator (5) and the base (6) are sequentially arranged from top to bottom, the hanging rod (1) sequentially penetrates through the insulating baffle (3), the porcelain insulator (5) and the base (6), an adjusting nut (2) is connected to the hanging rod (1) in a threaded mode, and the adjusting nut (2) is pressed on one side, away from the porcelain insulator (5), of the insulating baffle (3); the lower end of the suspender (1) is used for being connected with a cathode wire;
the upper end of the base (6) is provided with a conical groove (64) which is consistent with the shape of the lower end of the porcelain insulator (5), the lower end of the porcelain insulator (5) is assembled in the conical groove (64), the lower end face of the porcelain insulator (5) is abutted against the bottom face of the conical groove (64), and the outer wall (52) of the porcelain insulator (5) is in interference fit with the side wall of the conical groove (64);
an annular air guide groove (61) is formed in the bottom surface of the conical groove (64), and the annular air guide groove (61) is overlapped with the central line of the porcelain insulator (5); the lower end face of the porcelain insulator (5) circumferentially covers the opening of the annular air guide groove (61); the annular air guiding groove (61) is provided with a first side wall (611) and a second side wall (612) which are opposite to each other, the second side wall (612) is positioned at the inner side of the first side wall (611), and the upper end of the second side wall (612) is lower than the upper end of the first side wall (611); an air inlet hole (63) penetrating to the annular air guide groove (61) is formed in the outer wall (601) of the base (6);
the base (6) is also provided with air outlet holes (62) penetrating through the upper end and the lower end, the air outlet holes (62) are positioned on the inner side of the annular air guide groove (61), and the suspender (1) penetrates through the base (6) through the air outlet holes (62);
the lower end of the insulating baffle (3) is provided with a convex column (31), and the insulating baffle (3) is abutted against the upper end surface of the porcelain insulator (5) through the convex column (31); the number of the convex columns (31) is more than two, and the convex columns are distributed in a circular shape along the central line of the porcelain insulator (5); an air guide channel communicated with the interior of the porcelain insulator (5) is formed between two adjacent convex columns (31);
an annular air deflector (4) is arranged on the lower end face of the insulating baffle (3); the upper end of the porcelain insulator (5) is inserted into the inner side of the annular air deflector (4), and a gap is formed between the porcelain insulator and the annular air deflector; the annular air deflector (4) is used for guiding the air of the air guide channel to the outer wall (52) of the porcelain insulator (5);
the outer wall (601) of the base (6) is in a conical shape, and the outer diameter of the outer wall is gradually increased from top to bottom; the upper end of the outer wall (601) of the base (6) is intersected with the upper end of the inner wall of the conical groove (64);
the first side wall (611) and the second side wall (612) are both conical surfaces, and the first side wall (611), the second side wall (612) and the inner wall (51) of the porcelain insulator (5) are parallel to each other.
2. The electrostatic precipitator suspension mechanism of claim 1,
the air inlet holes (63) are linear holes, and the center lines of the air inlet holes (63) are tangent to the first side wall (611) and the second side wall (612).
3. The electrostatic precipitator suspension mechanism of claim 1 or 2,
the inner wall of the annular air deflector (4) is conical and is parallel to the outer wall (52) of the porcelain insulator (5), and the central line of the annular air deflector (4) is superposed with the central line of the porcelain insulator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458687.8A CN109317312B (en) | 2018-11-30 | 2018-11-30 | Hanging mechanism of electrostatic dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458687.8A CN109317312B (en) | 2018-11-30 | 2018-11-30 | Hanging mechanism of electrostatic dust collector |
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| CN109317312A CN109317312A (en) | 2019-02-12 |
| CN109317312B true CN109317312B (en) | 2020-05-15 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1283934B (en) * | 1961-06-07 | 1968-11-28 | Westinghouse Electric Corp | Electrical insulator with a ceramic body and a cover to increase the tracking resistance |
| EP0237512A1 (en) * | 1986-03-11 | 1987-09-16 | Fläkt Aktiebolag | An arrangement in insulators that form part of electrostatic dust separators |
| US4741746A (en) * | 1985-07-05 | 1988-05-03 | University Of Illinois | Electrostatic precipitator |
| CN202021089U (en) * | 2011-03-25 | 2011-11-02 | 诸暨菲达越阳环境科技有限公司 | Cathode hanger of electric dust collector |
| CN102614988A (en) * | 2012-03-26 | 2012-08-01 | 兖矿集团有限公司 | Cleaning device for pollution flashover preventive porcelain insulator for electrostatic dust collector and application of cleaning device |
| CN204155680U (en) * | 2014-10-24 | 2015-02-11 | 云南电网公司昆明供电局 | A kind of antifouling flash insulator |
| CN205789333U (en) * | 2016-05-31 | 2016-12-07 | 国网山东省电力公司冠县供电公司 | A kind of centrifugal antifouling flash insulator |
-
2018
- 2018-11-30 CN CN201811458687.8A patent/CN109317312B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1283934B (en) * | 1961-06-07 | 1968-11-28 | Westinghouse Electric Corp | Electrical insulator with a ceramic body and a cover to increase the tracking resistance |
| US4741746A (en) * | 1985-07-05 | 1988-05-03 | University Of Illinois | Electrostatic precipitator |
| EP0237512A1 (en) * | 1986-03-11 | 1987-09-16 | Fläkt Aktiebolag | An arrangement in insulators that form part of electrostatic dust separators |
| CN202021089U (en) * | 2011-03-25 | 2011-11-02 | 诸暨菲达越阳环境科技有限公司 | Cathode hanger of electric dust collector |
| CN102614988A (en) * | 2012-03-26 | 2012-08-01 | 兖矿集团有限公司 | Cleaning device for pollution flashover preventive porcelain insulator for electrostatic dust collector and application of cleaning device |
| CN204155680U (en) * | 2014-10-24 | 2015-02-11 | 云南电网公司昆明供电局 | A kind of antifouling flash insulator |
| CN205789333U (en) * | 2016-05-31 | 2016-12-07 | 国网山东省电力公司冠县供电公司 | A kind of centrifugal antifouling flash insulator |
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|---|---|
| CN109317312A (en) | 2019-02-12 |
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