CN112412579A - Gaseous ion generator - Google Patents

Gaseous ion generator Download PDF

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Publication number
CN112412579A
CN112412579A CN201910780436.XA CN201910780436A CN112412579A CN 112412579 A CN112412579 A CN 112412579A CN 201910780436 A CN201910780436 A CN 201910780436A CN 112412579 A CN112412579 A CN 112412579A
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CN
China
Prior art keywords
electrode
ion generator
gas
outer electrode
gaseous ion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910780436.XA
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Chinese (zh)
Inventor
唐万福
王大祥
奚勇
刘志辉
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Shanghai Bixiufu Enterprise Management Co Ltd
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Shanghai Bixiufu Enterprise Management Co Ltd
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Priority to CN201910780436.XA priority Critical patent/CN112412579A/en
Publication of CN112412579A publication Critical patent/CN112412579A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00

Abstract

The invention provides a gaseous ion generator, which is used for treating waste gas; the gaseous ion generator includes: at least one gas treatment module; the gas treatment module includes: an outer electrode, an inner electrode, and an isolation layer for isolating the outer electrode from the inner electrode; wherein, the outer electrode and the inner electrode are distributed on two sides of the isolating layer; one of the outer electrode and the inner electrode is an electrode adopting a two-dimensional geometric structure which can cause electric field distortion and enable gas to enter, and the other electrode is an electrode adopting a conductor; after the gaseous ion generator is electrified, an unbalanced electric field is formed between the outer electrode and the inner electrode by utilizing the structures of the outer electrode and the inner electrode, so that the entering gas is discharged, and gaseous ions for purifying the waste gas are generated. The invention is beneficial to that the structures of the inner electrode and the outer electrode can directly generate active positive and negative ions after being electrified, can process various components of the automobile exhaust in one step through the active ions, and has the characteristics of low power consumption, stable discharge, high active ion concentration and the like.

Description

Gaseous ion generator
Technical Field
The invention belongs to the technical field of waste gas treatment, and particularly relates to a gaseous ion generator.
Background
The traditional method for treating the automobile exhaust mostly adopts a chemical method to treat carbon oxides (such as carbon monoxide CO), Hydrocarbons (HC) and nitrogen oxides (NOx), soot (C) and the like, for example, catalytic reduction technologies such as three-way catalyst (TWC), Selective Catalytic Reduction (SCR) and nitrogen oxide storage reduction (NSR) have complex and tedious treatment process, need multiple treatments, and have high cost and large equipment.
Therefore, how to provide a gaseous ion generator to solve the problems of the prior art that the process is complicated when the tail gas is treated, various harmful gases in the tail gas cannot be removed at one time, and the multiple treatments are required, which results in large energy consumption, high cost and the like, has become a technical problem to be solved by the technical staff in the field.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a gas ion generator, which is used to solve the problems of the prior art that the process is complicated, various harmful gases in the tail gas cannot be removed at one time, and multiple treatments are required, resulting in high energy consumption and high cost.
To achieve the above and other related objects, the present invention provides a gaseous ion generator for treating exhaust gas; the gaseous ion generator includes: at least one gas treatment module; the gas treatment module includes: an outer electrode, an inner electrode, and an isolation layer for isolating the outer electrode from the inner electrode; wherein, the outer electrode and the inner electrode are distributed on two sides of the isolating layer; one of the outer electrode and the inner electrode is an electrode adopting a two-dimensional geometrical structure which can cause electric field distortion and enable gas to enter, and the other electrode is an electrode adopting a conductor; after the gaseous ion generator is electrified, a non-equilibrium electric field is formed between the outer electrode and the inner electrode by utilizing the structures of the outer electrode and the inner electrode, so that the entering gas is discharged, and gaseous ions for purifying waste gas are generated.
In an embodiment of the invention, the isolation layer is made of an insulating dielectric material; the insulating medium material comprises quartz glass, boron glass or ceramic material.
In an embodiment of the invention, the thickness of the isolation layer is selected from a range of 0.1mm to 50 mm.
In an embodiment of the invention, a thickness of a gap between the isolation layer and the outer electrode is selected to be in a range of 0.1mm to 50 mm.
In an embodiment of the present invention, the outer electrode and the inner electrode are a cooling liquid, a heat dissipation tube, a catalytic coating, and a conductive coating.
In an embodiment of the invention, the external electrode is made of a metal conductive material.
In an embodiment of the present invention, when the gas ion generator is a combination of a plurality of gas treatment modules, the length of the gas treatment modules is adjustable between 100mm and 10000mm, and the width of the gas treatment modules is adjustable between 10mm and 1000 mm.
In one embodiment of the present invention, the gas entering the gas ion generator comprises one or more of oxygen, air, tail gas, and odor.
In an embodiment of the present invention, the energizing power source of the gas ion generator is a high voltage power source, the voltage range is 1 kV-20 kV, the frequency range is 50 Hz-1 MHz, the power range is 10W-10000 kW according to different combinations of the gas processing modules.
As described above, the gaseous ionizer of the present invention has the following advantageous effects:
the gaseous ion generator can directly generate active positive and negative ions after being electrified by utilizing the structures of the outer electrode and the inner electrode, can treat various components of automobile exhaust at one time through active particles, has the characteristics of low temperature, low power consumption, stable discharge, high active ion concentration and the like of generated gaseous ions, and can run for a long time.
Drawings
Fig. 1 is a schematic structural diagram of a gas ion generator according to an embodiment of the present invention.
Description of the element reference numerals
1 Gaseous ion generator
11 The external electrodes 11 and 13
12 Insulating layer
13 Inner electrode
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The gaseous ion generator is a low-temperature gaseous ion generator, wherein low-temperature gaseous ions are in a fourth state after a solid state, a liquid state and a gaseous state, and are generally obtained by adopting a gas discharge method.
The technical principle of purifying automobile exhaust by gaseous ions is that electrons with the temperature of tens of thousands of degrees formed by gas discharge collide inelastically with gas molecules (atoms), energy is converted into internal energy of ground state molecules (atoms), a series of processes such as excitation, dissociation and ionization are carried out to enable the gas to be in an activated state, active free radicals are generated, exhaust pollutant molecules can be removed after chemical reaction of gaseous ion oriented chains, for example, free radicals such as O and OH generated in a generator can simultaneously oxidize SO2 and NOx into SO3 and NO2 (or N2O5), and the characteristic of one-time removal can be achieved.
The present embodiment provides a gaseous ion generator for treating exhaust gas; the gaseous ion generator includes: at least one gas treatment module; the gas treatment module includes:
an outer electrode, an inner electrode, and an isolation layer for isolating the outer electrode from the inner electrode;
wherein, the outer electrode and the inner electrode are distributed on two sides of the isolating layer;
one of the outer electrode and the inner electrode is an electrode adopting a two-dimensional geometrical structure which can cause the electric field distortion and can lead gas to enter, and the other electrode is an electrode adopting a conductor;
after the plasma generator is electrified, a non-equilibrium electric field is formed between the outer electrode and the inner electrode by utilizing the structures of the outer electrode and the inner electrode, so that the entering gas is discharged, and gaseous ions for purifying waste gas are generated.
The gas ion generator provided in the present embodiment will be described in detail with reference to the drawings. The gas ion generator of the present embodiment is used for treating exhaust gas, particularly for treating automobile exhaust gas. The gas ion generator of the present invention comprises at least one gas processing module; the gas treatment module includes: the electrode assembly includes an outer electrode, an inner electrode, and an isolation layer for isolating the outer electrode from the inner electrode. Wherein, the outer electrode and the inner electrode are distributed on two sides of the isolating layer. In this embodiment, the outer electrode and the inner electrode may be a cooling liquid, a heat dissipation pipe, a catalytic coating, a conductive coating, etc.
One of the outer electrode and the inner electrode is an electrode having a two-dimensional geometry which causes distortion of the electric field and allows entry of gas, for example, a high voltage electrode, and the other is an electrode having a conductive body, for example, a low voltage electrode. Therefore, the structure of the gas ion generator includes that the high voltage electrodes are distributed on the outer side of the isolation layer, and the low voltage electrodes are distributed on the inner side of the isolation layer; or the high-voltage electrodes are distributed on the inner side of the isolation layer, and the low-voltage electrodes are distributed on the outer side of the isolation layer.
Referring to fig. 1, the external electrodes distributed on the outer side of the isolation layer 12 are made of a metal conductive material. The external electrode made of the metal conductive material can be in a wire mesh shape (such as the wire mesh-shaped external electrode shown in fig. 1), a perforated shape of a metal steel pipe, a strip shape, a rectangular shape and the like. The thickness of the gap between the outer electrode 11 and the isolation layer 12 is selected within the range of 0.1 mm-50 mm. In the embodiment, the characteristics of the wire mesh-shaped outer electrode that the wire mesh diameter is adjustable and the mesh number is adjustable are utilized to cause the electric field generated by the outer electrode 11 and the inner electrode 13 after being electrified to generate distortion, so that a non-equilibrium electric field is formed between the outer electrode 11 and the inner electrode 13, the entered gas is discharged to generate gaseous ions, active substances such as oxygen atoms O, OH hydroxyl and the like which are rich in the gaseous ions can be used for treating reducing gases and oxidizing gases such as automobile exhaust, and the bond energy of various gas component molecules of the exhaust is broken by utilizing the energy of high-energy particles generated by gas discharge, so that components convenient for environmental protection treatment are formed. In practical applications, the gas entering the gas ion generator includes air, oxygen, inert gas (e.g., helium (He), neon (Ne), argon (Ar), etc.), oxidizing gas (e.g., O)2Compressed air), reducing gases (e.g. air)Hydrogen H2Carbon monoxide CO, hydrogen sulfide H2S) and the like, or a combination of at least two of the gases.
The isolating layer 12 for isolating the outer electrode 11 and the inner electrode 13 is made of an insulating dielectric material. The insulating medium material comprises quartz glass, boron glass, ceramic material or the like. In the present embodiment, the thickness of the isolation layer 12 is selected from a range of 0.1mm to 50 mm.
The internal electrodes 13 distributed on the inner side of the isolation layer 12 are made of an electric conductor. In practical application, the electric conductor can adopt water, the specific heat capacity of the water is large, the electric conductor can be cooled circularly, redundant heat is taken away, the service life of gaseous ion high-energy particles is prolonged conveniently, the decomposition of the gaseous ion high-energy particles is inhibited, meanwhile, the liquid is used as an electrode, the electrode can be fully contacted with a dielectric layer, the discharge is uniform, the manufacturing method is simple, and the integration is convenient.
In this embodiment, the energizing power source of the gas ion generator is an ac power frequency power source or a high voltage high frequency power source, the voltage range is 1 kV-20 kV, the applied frequency range is 50 Hz-1 MHz, the power range is 10W-10000 kW according to different combinations of the gas processing modules.
In this embodiment, when the gas ion generator is a combination of a plurality of the gas processing modules, the length, width and height of the gas processing modules can be set according to actual requirements. Specifically, the length of the gas treatment module is adjustable between 100mm and 10000mm, and the width of the gas treatment module is adjustable between 10mm and 1000 mm.
In conclusion, the gaseous ion generator provided by the invention can directly generate active positive and negative ions by utilizing the structure of the outer electrode and the inner electrode after being electrified, can treat various components of automobile exhaust at one time through active particles, has the characteristics of low temperature, low power consumption, stable discharge, high active ion concentration and the like, and can run for a long time. The invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (9)

1. A gaseous ion generator for treating an exhaust gas; the gaseous ion generator includes: at least one gas treatment module; the gas treatment module includes:
an outer electrode, an inner electrode, and an isolation layer for isolating the outer electrode from the inner electrode;
wherein, the outer electrode and the inner electrode are distributed on two sides of the isolating layer;
one of the outer electrode and the inner electrode is an electrode adopting a two-dimensional geometrical structure which can cause electric field distortion and enable gas to enter, and the other electrode is an electrode adopting a conductor;
after the gaseous ion generator is electrified, a non-equilibrium electric field is formed between the outer electrode and the inner electrode by utilizing the structures of the outer electrode and the inner electrode, so that the entering gas is discharged, and gaseous ions for purifying waste gas are generated.
2. The gaseous ion generator of claim 1, wherein: the isolation layer is made of an insulating medium material; the insulating medium material comprises quartz glass, boron glass or ceramic material.
3. The gaseous ion generator of claim 2, wherein: the thickness of the isolation layer is selected within the range of 0.1 mm-50 mm.
4. The gaseous ion generator of claim 3, wherein: the thickness of the gap between the isolating layer and the outer electrode is selected within the range of 0.1 mm-50 mm.
5. The gaseous ion generator of claim 1 or 2, wherein:
the outer electrode and the inner electrode are cooling liquid, a radiating pipe, a catalytic coating and a conductive coating.
6. The gaseous ion generator of claim 1, wherein: the outer electrode is made of a metal conductive material.
7. The gaseous ion generator of claim 1, wherein: when the gaseous ion generator is a combination of a plurality of gas treatment modules, the length of the gas treatment modules is adjustable between 100mm and 10000mm, and the width of the gas treatment modules is adjustable between 10mm and 1000 mm.
8. The gaseous ion generator of claim 1, wherein: the gas entering the gas ion generator comprises one or more of oxygen, air, tail gas and odor.
9. The gaseous ion generator of claim 1, wherein: the electrifying power supply of the gaseous ion generator adopts a high-voltage power supply, the voltage range is 1 kV-20 kV, the frequency range is 50 Hz-1 MHz, the power is different along with different combinations of the gas treatment modules, and the power range is 10W-10000 kW.
CN201910780436.XA 2019-08-22 2019-08-22 Gaseous ion generator Pending CN112412579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910780436.XA CN112412579A (en) 2019-08-22 2019-08-22 Gaseous ion generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910780436.XA CN112412579A (en) 2019-08-22 2019-08-22 Gaseous ion generator

Publications (1)

Publication Number Publication Date
CN112412579A true CN112412579A (en) 2021-02-26

Family

ID=74779320

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910780436.XA Pending CN112412579A (en) 2019-08-22 2019-08-22 Gaseous ion generator

Country Status (1)

Country Link
CN (1) CN112412579A (en)

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Application publication date: 20210226

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