CN215276643U - Plasma air disinfection device with ozone in-situ inhibition and elimination - Google Patents

Abstract

The utility model discloses a plasma air degassing unit with ozone normal position restraines and eliminates, wherein, plasma air degassing unit's plasma device has to set up in foam metal positive electrode and foam metal negative electrode, include: the porous ceramic medium is arranged between the foam metal positive electrode and the foam metal negative electrode, and the surface of the porous ceramic medium is sintered with a nano titanium dioxide catalyst for inhibiting the generation of ozone in situ; the honeycomb aluminum plate is provided with a nano titanium dioxide catalyst to catalyze and decompose ozone in the tail gas. The device can realize the in-situ inhibition of ozone in the plasma device and the catalytic decomposition of the ozone in the tail gas, expands the application of the plasma device in the manned environment, meets the ozone emission standards in different environments, and is simple and easy to realize.

Description

Plasma air disinfection device with ozone in-situ inhibition and elimination

Technical Field

The utility model relates to a plasma air degassing unit's ozone elimination technical field, in particular to plasma air degassing unit with ozone normal position restraines and eliminates.

Background

Plasma air disinfection is widely used in plasma air disinfection devices for killing bacterial pathogens in the air due to the characteristics of no consumables and low wind resistance.

However, in the using process, the plasma inevitably generates a large amount of ozone, which is harmful to the health of human bodies and limits the application of the plasma air disinfection device.

In the related art, ozone in the tail gas of the plasma air disinfection device is treated mainly in an adsorbent adsorption treatment mode, however, the service life of the adsorbent is limited, and the adsorbent needs to be replaced regularly, so that the use cost is greatly increased, the use convenience is greatly reduced, and a solution is urgently needed.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the utility model aims to provide a plasma air degassing unit with ozone normal position restraines and eliminates can realize the normal position of ozone among the plasma device and the ozone in the catalytic decomposition tail gas, has expanded the application of plasma device under the human environment to satisfy the ozone emission standard under the different environment, simple easy realization.

In order to achieve the above object, the present invention provides a plasma air sterilizer with ozone in-situ inhibition and elimination, the plasma device of the plasma air sterilizer has a structure that is arranged between a foam metal positive electrode and a foam metal negative electrode, including: the porous ceramic medium is arranged between the foam metal positive electrode and the foam metal negative electrode, and the surface of the porous ceramic medium is sintered with a nano titanium dioxide catalyst for inhibiting the generation of ozone in situ; the device comprises a honeycomb aluminum plate, wherein a nano titanium dioxide catalyst is arranged on the honeycomb aluminum plate to catalyze and decompose ozone in tail gas.

The plasma air disinfection device with ozone in-situ inhibition and elimination of the utility model adopts nano titanium dioxide TiO₂The catalyst is sintered on the surface of the porous ceramic medium to inhibit the generation of ozone in situ, and the nano titanium dioxide catalyst coated on the honeycomb aluminum substrate is adopted to catalyze and decompose the ozone in the tail gas of the plasma device, so that the ozone emission can be effectively reduced, the harm of the ozone to the human health is prevented, the energy consumption is avoided, the service life is not limited, the application of the plasma device in the environment with people is expanded, the ozone emission standards under different environments are met, and the method is simple and easy to realize.

Further, the surface of the porous ceramic medium is a ceramic surface.

Further, the plasma apparatus further includes: a housing provided with an air inlet and an air outlet.

Further, the aluminum honeycomb plate is arranged at the air outlet.

Further, the thickness of the porous ceramic medium is greater than or equal to 1cm and less than or equal to 20 cm.

Further, the porosity of the porous ceramic media is obtained according to a target processing speed and/or processing effect.

Further, the porosity is greater than or equal to 10ppi and less than or equal to 50 ppi.

Further, still include: and blowing the to-be-treated polluted gas into a centrifugal fan of the plasma device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a plasma air sterilizer with ozone in-situ suppression and elimination according to one embodiment of the present invention;

fig. 2 is a schematic structural diagram of a plasma apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a honeycomb aluminum plate according to an embodiment of the present invention;

FIG. 4 is a side view of a plasma air sterilizer with ozone in-situ suppression and elimination according to one embodiment of the present invention;

FIG. 5 is a top view of a plasma air sterilizer with ozone in-situ suppression and elimination according to one embodiment of the present invention;

fig. 6 is a solid oblique view of a mounting honeycomb aluminum sheet according to an embodiment of the present invention;

fig. 7 is a block diagram of a plasma air sterilizer with ozone in-situ suppression and elimination according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The plasma air sterilizer with ozone in-situ suppression and elimination according to the embodiment of the present invention will be described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a plasma air sterilizer with ozone in-situ suppression and elimination according to an embodiment of the present invention.

As shown in fig. 1, the plasma air sterilizer 10 with ozone in-situ suppression and elimination comprises: a plasma device 100 and a honeycomb aluminum sheet 200.

As shown in fig. 2, the plasma device 100 has a foam metal positive electrode 110 and a foam metal negative electrode 120, and a porous ceramic medium 130 disposed between the foam metal positive electrode and the foam metal negative electrode, wherein a nano titanium dioxide catalyst is sintered on the surface of the porous ceramic medium 130 for in-situ inhibition of ozone generation. As shown in fig. 3, the nano titanium dioxide catalyst is disposed on the honeycomb aluminum sheet 200 to catalytically decompose ozone in the exhaust gas.

It can be understood that the utility model adopts the nanometer titanium dioxide TiO₂The catalyst is sintered on the surface of the porous ceramic medium to inhibit the generation of ozone in situ, and the nano titanium dioxide catalyst coated on the honeycomb aluminum substrate is adopted to catalyze and decompose the ozone in the tail gas of the plasma device, so that the discharge amount of the ozone in the tail gas can be greatly reduced, the harm of the ozone to the human health is prevented, the energy consumption is avoided, the service life is not limited, and the method is simple and easy to realize.

In one embodiment of the present invention, the porous ceramic dielectric 130 surface may be a ceramic surface.

Further, in one embodiment of the present invention, the thickness of the porous ceramic media 130 is greater than or equal to 1cm, and less than or equal to 20 cm. Wherein the porosity of the plurality of pores is obtained according to a target processing speed and/or processing effect, and the porosity is greater than or equal to 10ppi and less than or equal to 50 ppi.

Further, in an embodiment of the present invention, as shown in fig. 4 and 5, the plasma apparatus 100 further includes: a housing 140. The housing 140 is provided with an air inlet 141 and an air outlet 142. In fig. 4 and 5, a and B are electrode lead-out lines.

It is understood that the housing 140 of the present invention may be provided with an air inlet 141 and an air outlet 142 to form an air passage for gas circulation. Wherein the contaminated gas to be treated can enter the plasma apparatus 100 through the gas inlet 141, and the treated gas can be discharged through the gas outlet 142.

Further, in an embodiment of the present invention, the embodiment of the present invention provides a honeycomb aluminum plate 200 at the gas outlet 142, specifically: the honeycomb aluminum ceramic substrate loaded with the nano titanium dioxide catalyst is closely arranged on one side of the last foam metal electrode close to the air outlet, the length, the width and the installation mode of the honeycomb aluminum ceramic substrate are the same as those of the foam metal electrode, and the effect picture after arrangement is shown in figure 6. The coating that sets up through in gas outlet department scribbles the ozone that has in the nanometer titanium dioxide catalyst honeycomb aluminum plate can effectively decompose the tail gas, and the emission of ozone prevents ozone health's harm in the greatly reduced tail gas to there is not the energy consumption, also does not have life restriction, simple easy realization.

Preferably, in an embodiment of the present invention, the housing 204 may be an insulating shell, so as to avoid making an electrical contact with the outside, thereby improving safety.

Preferably, in an embodiment of the present invention, as shown in fig. 7, the plasma air sterilizing apparatus 10 further includes: a centrifugal fan 300. Wherein, the centrifugal fan 300 can blow the polluted gas to be treated into the plasma device 100.

According to the plasma air disinfection device with ozone in-situ inhibition and elimination provided by the embodiment of the utility model, nano titanium dioxide TiO is adopted₂The catalyst is sintered on the surface of the porous ceramic medium to inhibit the generation of ozone in situ, and the nano titanium dioxide catalyst coated on the honeycomb aluminum substrate is adopted to catalyze and decompose the ozone in the tail gas of the plasma device, so that the ozone emission can be effectively reduced, the harm of the ozone to the human health is prevented, the energy consumption is avoided, the service life is not limited, the application of the plasma device in the environment with people is expanded, the ozone emission standards under different environments are met, and the method is simple and easy to realize.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (8)

1. A plasma air disinfection device with ozone in-situ inhibition and elimination function is characterized in that a plasma device of the plasma air disinfection device is provided with a foam metal positive electrode and a foam metal negative electrode, and the plasma air disinfection device comprises:

the porous ceramic medium is arranged between the foam metal positive electrode and the foam metal negative electrode, and the surface of the porous ceramic medium is sintered with a nano titanium dioxide catalyst for inhibiting the generation of ozone in situ;

the device comprises a honeycomb aluminum plate, wherein a nano titanium dioxide catalyst is arranged on the honeycomb aluminum plate to catalyze and decompose ozone in tail gas.

2. The apparatus of claim 1, wherein the porous ceramic dielectric surface is a ceramic surface.

3. The apparatus of claim 1, wherein the plasma apparatus further comprises: a housing provided with an air inlet and an air outlet.

4. The apparatus of claim 3, wherein the aluminum honeycomb panel is disposed at the gas outlet.

5. The device of claim 1, wherein the porous ceramic media has a thickness greater than or equal to 1cm and less than or equal to 20 cm.

6. The apparatus of claim 1, wherein the porosity of the porous ceramic media is derived from a target processing speed and/or processing effect.

7. The device of claim 6, wherein the porosity is greater than or equal to 10ppi and less than or equal to 50 ppi.

8. The apparatus of claim 1, further comprising:

and blowing the polluted gas to be treated into a centrifugal fan of the plasma device.

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