CN212440678U - Self-cleaning plasma high-voltage power supply device - Google Patents
Self-cleaning plasma high-voltage power supply device Download PDFInfo
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- CN212440678U CN212440678U CN202021251150.7U CN202021251150U CN212440678U CN 212440678 U CN212440678 U CN 212440678U CN 202021251150 U CN202021251150 U CN 202021251150U CN 212440678 U CN212440678 U CN 212440678U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 25
- 239000000956 alloy Substances 0.000 claims description 4
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- 238000004939 coking Methods 0.000 abstract description 14
- 239000007789 gas Substances 0.000 description 10
- 239000002912 waste gas Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005235 decoking Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
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Abstract
The utility model provides a plasma high voltage power supply device of automatically cleaning relates to exhaust-gas treatment technical field. The device includes: the device comprises a negative high-voltage direct-current power supply, a first electrode plate, a second electrode plate, a controller, an alternating-current power supply, a high-voltage ammeter and a relay; one end of the negative high-voltage direct-current power supply is connected with the first electrode plate, and the other end of the negative high-voltage direct-current power supply is grounded; the second electrode plate is grounded; one end of the alternating current power supply is connected with the relay, one end of the filament is connected with the relay, and the other end of the filament is connected to the first electrode plate; the controller is connected with the negative high-voltage direct-current power supply and is also connected with the high-voltage ammeter. The utility model discloses a to the electrode plate surface coking's of plasma power self-cleaning, improved plasma high voltage power supply's life.
Description
Technical Field
The utility model relates to an exhaust-gas treatment technical field particularly, relates to a plasma high voltage power supply device of automatically cleaning.
Background
With the development of plasma technology, plasma devices with various functions are paid more and more attention by technical workers, and are widely applied in many fields. The high-pressure plasma source has the advantages of simple structure, high efficiency, low energy consumption, wide application range, simple operation and the like.
In the prior art, a high-voltage plasma power supply mainly adopts metal electrodes to generate discharge between the electrodes in a high-voltage environment, so that high-energy electrons and ions are generated to decompose exhaust gas molecules, and the aim of treating the exhaust gas is fulfilled.
However, as the components such as dust, aerosol, VOCs and the like exist in the waste gas, and the macromolecular polymer generated by the reaction of the components of the waste gas in the discharge process of the plasma power supply forms an electric field between the electrode plates under the high-voltage action of the high-voltage power supply, the macromolecular polymer moves to the surface of the electrode plate under the action of the electric field. Therefore, in the working process of the plasma high-voltage power supply in the prior art, coking is easily generated on the surface of an electrode plate of the plasma power supply, and further fire is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of plasma high voltage power supply existence among the above-mentioned prior art plasma exhaust-gas treatment process, provide a plasma high voltage power supply device of automatically cleaning to solve among the prior art plasma high voltage power supply and have plasma electrode discharge position in exhaust-gas treatment and produce the coking, reduce plasma high voltage power supply life's problem.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
the embodiment of the utility model provides a plasma high voltage power supply device of automatically cleaning, include: the device comprises a negative high-voltage direct-current power supply, a first electrode plate, a second electrode plate, a controller, an alternating-current power supply, a high-voltage ammeter and a relay;
one end of the negative high-voltage direct-current power supply is connected with the first electrode plate, and the other end of the negative high-voltage direct-current power supply is grounded; the second electrode plate is grounded; one end of the alternating current power supply is connected with the relay, one end of the filament is connected with the relay, and the other end of the filament is connected to the first electrode plate; the controller is connected with the negative high-voltage direct-current power supply and also connected with the high-voltage ammeter.
Optionally, the apparatus further comprises a filament.
Optionally, one end of the filament is connected to the relay, and the other end of the filament is connected to the first electrode plate.
Optionally, the filament is made of tungsten alloy material.
Optionally, the controller is configured to control the filament to be intermittently heated.
Optionally, the controller is configured to control the filament to be heated intermittently according to the operating time of the negative high voltage dc power supply.
Optionally, the controller is further configured to control the filament to be heated intermittently according to a relationship between the high-voltage ammeter and a preset current.
The utility model has the advantages that: a self-cleaning plasma high-voltage power supply device. The method comprises the following steps: the device comprises a negative high-voltage direct-current power supply, a first electrode plate, a second electrode plate, a controller, an alternating-current power supply, a high-voltage ammeter and a relay; one end of the negative high-voltage direct-current power supply is connected with the first electrode plate, and the other end of the negative high-voltage direct-current power supply is grounded; the second electrode plate is grounded; one end of the alternating current power supply is connected with the relay, one end of the filament is connected with the relay, and the other end of the filament is connected to the first electrode plate; the controller is connected with the negative high-voltage direct-current power supply and also connected with the high-voltage ammeter. The utility model discloses a to the electrode plate surface coking's of plasma power self-cleaning, improved plasma high voltage power supply's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a self-cleaning plasma high-voltage power supply device according to an embodiment of the present invention.
Icon: 1-negative high-voltage direct-current power supply, 2-first electrode plate, 3-second electrode plate, 4-controller, 5-alternating-current power supply, 6-high-voltage ammeter, 7-relay and 8-filament.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Here, the related terms in the present invention are explained:
plasma: is a gas in an ionized state, also called plasma, which is composed of a large number of photons, neutral atoms, excited atoms, photons, radicals, etc., but the charge numbers of electrons and positive ions must exhibit electrical neutrality. It is widely present in the universe and is often considered to be the fourth state in which substances exist in addition to solids, liquids and gases.
Fig. 1 is a schematic view of a self-cleaning plasma high-voltage power supply device according to an embodiment of the present invention, which is described in detail in the embodiment of the present invention.
Fig. 1 is a schematic view of a self-cleaning plasma high-voltage power supply device according to an embodiment of the present invention, as shown in fig. 1, the self-cleaning plasma high-voltage power supply device includes: the device comprises a negative high-voltage direct-current power supply 1, a first electrode plate 2, a second electrode plate 3, a controller 4, an alternating-current power supply 5, a high-voltage ammeter 6 and a relay 7.
In the embodiment of the invention, the negative high-voltage power supply 1 is-40 KV-4.5 KV, and the negative high-voltage power supply can increase the concentration of negative ions and improve the treatment efficiency of waste gas. The ac power supply 5 is 220 VAC. The first electrode plate 2 and the second electrode plate 3 may be a single conductor in the shape of a needle, a rod, or a sheet. Alternatively, the material of the first electrode plate 2 and the second electrode plate 3 may be copper, aluminum, stainless steel, and other conductive materials.
Optionally, the relay 7 is an automatic switching element with an isolation function, and plays a role in automatic adjustment and safety protection in a circuit. The high-voltage ammeter 6 is used for detecting the current of the high-voltage line. Here, the value range of the high voltage ammeter 6 may be determined according to the power of the power supply.
One end of a negative high-voltage direct-current power supply 1 is connected with the first electrode plate 2, and the other end of the negative high-voltage direct-current power supply is grounded; the second electrode plate 3 is grounded; one end of an alternating current power supply 5 is connected with the relay 7, one end of the filament 8 is connected with the relay 7, and the other end of the filament is connected to the first electrode plate 2; the controller 4 is connected with the negative high-voltage direct-current power supply 1 and is also connected with the high-voltage ammeter 6.
Optionally, under the action of the negative high-voltage direct-current power supply 1, plasma is generated between the first electrode plate 2 and the second electrode plate 3, so that macromolecular polymers generated by reaction among waste gas components are adsorbed on the anode plate. Here, the macromolecular polymer is a coked particulate.
The self-cleaning plasma high-voltage power supply device further comprises a filament 8, one end of the filament 8 is connected with the relay 7, and the other end of the filament 8 is connected with the first electrode plate 2.
In the embodiment of the invention, one end of the filament 8 is connected with the alternating current power supply 5 through the relay 7, and the other end is connected with the first electrode plate 2. Under the action of the alternating current power supply 5, the filament 8 is heated, so that tar attached to the first electrode plate 2 is melted and cleaned by heat generated by heating the filament 8.
Optionally, the filament 8 is made of tungsten alloy material.
In the embodiment of the invention, the filament 8 is made of tungsten wire alloy material, and the tungsten wire is mainly used as the material of various luminous bodies in the bulb. Optionally, the tungsten filament is mainly used in electric light sources such as incandescent lamps and halogen tungsten lamps. The resistance value of the tungsten filament increases with the temperature rise, and the resistance of the tungsten filament is 1370-2000 ℃ at normal temperature.
The controller 4 is used to control the filament 8 to heat intermittently.
In the embodiment of the invention, the controller 4 is used for controlling the filament 8 to intermittently heat according to the working time of the negative high-voltage direct-current power supply 1. The controller 4 is also used for controlling the filament 8 to be heated intermittently according to the relation between the high-voltage ammeter 6 and the preset current.
Optionally, the positive electrode of the negative high-voltage direct-current power supply 1 is connected with the first electrode plate 2, and the negative electrode of the negative high-voltage direct-current power supply 1 is grounded. The controller 4 starts timing when the negative high-voltage direct-current power supply 1 works, and when the working time of the negative high-voltage direct-current power supply 1 reaches the preset working time, the controller 4 informs the relay 7 to switch the working mode, so that the filament 8 is heated to 300 degrees through the alternating-current power supply 5, the adhered coking particles on the first electrode plate 2 are melted, and the purpose of automatic decoking is achieved. Here, the preset operation time is a time during which coking substances are generated on the electrode plate to affect the plasma exhaust gas treatment effect.
It should be noted that, generally, under the action of a high temperature of greater than or equal to 300 °, the coking particles on the surface of the electrode plate of the plasma begin to melt.
In the embodiment of the invention, the electrode plate surface of the plasma high-voltage power supply is cleaned in a way that the controller 4 starts timing when the negative high-voltage direct-current power supply 1 works, and when the working time of the negative high-voltage direct-current power supply 1 reaches the preset working time, the controller 4 informs the relay 7 to switch the working mode, so that the filament 8 is heated to 300 degrees through the alternating-current power supply 5, coking particles attached to the first electrode plate 2 are melted, and the purpose of automatic coke cleaning is achieved.
In another implementation mode, if the current of the high-voltage ammeter 6 is smaller than the preset current, at the moment, the controller 4 controls the relay 7 to be closed, so that the filament 8 is heated under the action of the alternating current power supply 5, the dissolution of the macromolecular polymer on the first electrode plate 2 is accelerated based on high temperature, and the rapid automatic cleaning of the surface of the plasma electrode plate is achieved.
The working principle of plasma waste gas treatment is as follows: gas molecules in the air are ionized under the action of the negative high-voltage direct-current power supply 1 to generate a large number of particles such as electrons, active free radicals, atoms, excited molecules and the like, and the particles have high reaction activity. Under the action of high voltage direct current, the generated high-energy electrons and gas molecules or atoms in the air generate inelastic collision to initiate free radicals, and the free radicals and waste gas molecules are combined to react, so that the aim of evolution and treatment of waste gas is fulfilled.
It should be noted that the plasma waste gas treatment device mainly depends on high-voltage discharge to generate plasma, and intermediate products of waste gas treatment are easily deposited on the positive electrode of the plasma high-voltage electrode to form a coking layer, which not only reduces the plasma yield under the same voltage, but also easily generates fire caused by burning of the coking layer.
Optionally, based on the method for removing coke from the surface of the first electrode plate 2, correspondingly, an ac power supply 5 may be disposed at one end of the second electrode plate 3, and the ac power supply is connected to the filament 8 through a relay 7, so as to remove the coke from the surface of the second electrode plate 3. It should be noted that, in the long-term use process of the plasma waste gas treatment equipment, coking substances are easily generated on the surfaces of the electrode plates, and the surface of the electrode plate is cleaned by heating and removing the coking substances by the filament, so that the coking substances generated on any one electrode plate can be effectively removed.
The beneficial effects of utility model are that: a self-cleaning plasma high-voltage power supply device. The method comprises the following steps: the device comprises a negative high-voltage direct-current power supply 1, a first electrode plate 2, a second electrode plate 3, a controller 4, an alternating-current power supply 5, a high-voltage ammeter 6 and a relay 7; one end of a negative high-voltage direct-current power supply 1 is connected with the first electrode plate 2, and the other end of the negative high-voltage direct-current power supply is grounded; the second electrode plate 3 is grounded; one end of an alternating current power supply 5 is connected with the relay 7, one end of the filament 8 is connected with the relay 7, and the other end of the filament is connected to the first electrode plate 2; the controller 4 is connected with the negative high-voltage direct-current power supply 1 and is also connected with the high-voltage ammeter 6. The utility model discloses a 8 discontinuity of controller 4 control filaments heat first plate electrode 2 to realize self-cleaning to the plate electrode surface coking thing of plasma power, improved plasma high voltage power supply's life.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A self-cleaning plasma high voltage power supply apparatus, comprising: the lamp comprises a negative high-voltage direct-current power supply, a first electrode plate, a second electrode plate, a lamp filament, a controller, an alternating-current power supply, a high-voltage ammeter and a relay;
one end of the negative high-voltage direct-current power supply is connected with the first electrode plate, and the other end of the negative high-voltage direct-current power supply is grounded; the second electrode plate is grounded; one end of the alternating current power supply is connected with the relay, one end of the filament is connected with the relay, and the other end of the filament is connected to the first electrode plate; the controller is connected with the negative high-voltage direct-current power supply and also connected with the high-voltage ammeter.
2. The self-cleaning plasma high voltage power supply apparatus of claim 1, further comprising a filament.
3. The self-cleaning plasma high voltage power supply apparatus as claimed in claim 2, wherein one end of the filament is connected to the relay, and the other end is connected to the first electrode plate.
4. The self-cleaning plasma high voltage power supply apparatus of claim 3, wherein said filament is a tungsten alloy material.
5. The self-cleaning plasma high voltage power supply apparatus of claim 1, wherein said controller is configured to control said filament to be heated intermittently.
6. The self-cleaning plasma high voltage power supply apparatus of claim 5, wherein the controller is configured to control the filament to be intermittently heated according to an operating time of the negative high voltage DC power supply.
7. The self-cleaning plasma high voltage power supply apparatus of claim 5, wherein the controller is further configured to control the filament to be intermittently heated according to a relationship between the high voltage ammeter and a preset current.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021251150.7U CN212440678U (en) | 2020-06-30 | 2020-06-30 | Self-cleaning plasma high-voltage power supply device |
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| CN202021251150.7U CN212440678U (en) | 2020-06-30 | 2020-06-30 | Self-cleaning plasma high-voltage power supply device |
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| CN212440678U true CN212440678U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941231A (en) * | 2020-06-30 | 2022-01-18 | 陕西青朗万城环保科技有限公司 | Decoking method of electrode in high-voltage plasma power supply and control system thereof |
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2020
- 2020-06-30 CN CN202021251150.7U patent/CN212440678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941231A (en) * | 2020-06-30 | 2022-01-18 | 陕西青朗万城环保科技有限公司 | Decoking method of electrode in high-voltage plasma power supply and control system thereof |
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