CN216825651U - Exhaust treatment device suitable for high-voltage electrostatic oil fume purifier - Google Patents

Abstract

The utility model discloses a waste gas treatment device suitable for a high-voltage electrostatic oil fume purifier, which comprises a main body, wherein a plurality of irradiation devices and a plurality of catalytic devices are arranged in the main body, and the irradiation devices and the catalytic devices are alternately arranged in the main body; the main body is internally provided with a plurality of mounting grooves, and the catalytic device is arranged in the mounting grooves; the irradiation device is used for irradiating the catalytic device and the exhaust gas entering the main body; the catalytic device is used for carrying out photocatalysis; after entering the main body from the air inlet, the waste gas is pre-irradiated by the ultraviolet lamp and then treated by the photocatalytic network, and after-irradiated by the last stage of ultraviolet lamp before being discharged after treatment, and then the waste gas is discharged from the air outlet; when the wavelength of the ultraviolet light reaches 254nm, the ultraviolet light is absorbed by ozone and decomposes the ozone into atomic oxygen and oxygen, thereby achieving the effect of decomposing the ozone; and installing and overhauling the internal equipment of the main body through the access door.

Description

Exhaust treatment device suitable for high-voltage electrostatic oil fume purifier

Technical Field

The utility model relates to an exhaust-gas treatment technical field especially relates to an exhaust treatment device suitable for high-voltage static oil smoke clarifier.

Background

The working principle of the high-voltage electrostatic purifier is that the electric field is utilized to collect charged particles after ionization, so that the waste gas is purified; the ionized portion of the gas is usually supplied with a voltage of 9 kv or more, which ensures good ionization, but the voltage is very easy to ionize oxygen in the air and generate ozone.

Generally, the half-life of ozone in the atmosphere at normal temperature is forty minutes and varies with temperature, while the half-life of ozone in water is twenty minutes, and when the pH value of ozone varies, the decomposition is accelerated and the decomposition is slowed down as the pH value increases; the industrial treatment of large quantities of ozone generally employs a spraying method, in which ozone is treated with a liquid. Ozone is generally produced less when the high voltage electrostatic purifier is operated, and the method by liquid treatment is not applicable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a waste gas treatment device suitable for a high-voltage electrostatic oil fume purifier.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an exhaust gas treatment device suitable for a high-voltage electrostatic oil fume purifier comprises a main body, wherein a plurality of irradiation devices and a plurality of catalytic devices are arranged in the main body, and the irradiation devices and the catalytic devices are alternately arranged in the main body; a plurality of mounting grooves are formed in the main body, and the catalytic device is arranged in the mounting grooves; the irradiation device is used for irradiating the catalytic device and the exhaust gas entering the main body; the catalytic device is used for carrying out photocatalysis.

Preferably, the irradiation device comprises an ultraviolet lamp, and the ultraviolet lamp is glued on the inner wall of the main body.

Preferably, the catalytic device comprises a photocatalytic net, and the outer surface of the photocatalytic net is provided with a titanium dioxide layer.

Preferably, the photocatalytic net is provided with a plurality of grids, and the grid density is greater than 20 meshes and less than 50 meshes.

Preferably, the two ends of the main body are respectively provided with an air inlet and an air outlet, and one side of the air inlet and one side of the air outlet are both provided with an ultraviolet lamp.

Preferably, the main body is further provided with an access door, and the access door is hinged to the main body.

Preferably, the body is cylindrical.

Preferably, the ultraviolet lamp is spherical.

Preferably, the ultraviolet light wavelength is 254 nm.

Preferably, the photocatalytic mesh is made of a stainless steel material.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a waste gas treatment device suitable for a high-voltage electrostatic oil fume purifier, after waste gas enters a main body from an air inlet, the waste gas is pre-irradiated by an ultraviolet lamp and then treated by a photocatalysis net, and after treatment, the waste gas is post-irradiated by a last-stage ultraviolet lamp before being discharged, and then the waste gas is discharged through an air outlet; when the wavelength of the ultraviolet light reaches 254nm, the ultraviolet light is absorbed by ozone and decomposes the ozone into atomic oxygen and oxygen, thereby achieving the effect of decomposing the ozone; and installing and overhauling the internal equipment of the main body through the access door.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of another angle proposed by the present invention;

fig. 3 is a schematic structural diagram of a photocatalytic network according to the present invention;

fig. 4 is a cross-sectional view of the mesh of the photocatalytic mesh according to the present invention.

Illustration of the drawings:

1. a main body 2, an irradiation device,

3. a catalytic device, 4, an installation groove,

5. an access door (11), an air inlet,

12. an air outlet 21, an ultraviolet lamp,

31. a photocatalytic net, a 32 th titanium dioxide layer,

311. and (4) grid.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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.

Referring to fig. 1 to 4, an exhaust gas treatment device suitable for a high-voltage electrostatic oil fume purifier includes a main body 1, a plurality of irradiation devices 2 and a plurality of catalytic devices 3 are arranged in the main body 1, and the plurality of irradiation devices 2 and the plurality of catalytic devices 3 are alternately arranged in the main body 1; a plurality of mounting grooves 4 are formed in the main body 1, and the catalytic device 3 is arranged in the mounting grooves 4; the irradiation device 2 is used for irradiating the catalytic device 3 and the exhaust gas entering the main body 1; the catalytic device 3 is used for performing a photocatalytic action.

Wherein, the irradiation device 2 comprises an ultraviolet lamp 21, and the ultraviolet lamp 21 is glued on the inner wall of the main body 1; the ultraviolet lamp 21 is spherical, and the wavelength of ultraviolet light is 254 nm; when the wavelength of the ultraviolet light reaches 254nm, the ultraviolet light is absorbed by the ozone and decomposes the ozone into atomic oxygen and oxygen, thereby achieving the effect of decomposing the ozone.

The catalytic device 3 comprises a photocatalytic net 31, and a titanium dioxide layer 32 is arranged on the outer surface of the photocatalytic net 31; the photocatalytic net 31 is provided with a plurality of grids 311, and the density of the grids 311 is more than 20 meshes and less than 50 meshes; the photocatalytic net 31 is made of stainless steel; titanium dioxide is a commonly used photocatalyst, has low price and wide source, high ultraviolet light absorption rate, high light corrosion resistance, high chemical stability and high catalytic activity, has no toxicity, and has strong adsorption effect on a plurality of organic matters, thereby becoming the most commonly used photocatalyst in experimental research; the photocatalytic oxidation method has the main advantages of high energy utilization rate, normal operation at normal temperature, no by-product formation, physical and chemical method for postnatal recycling of the used catalyst, and 90% degradation rate of VOCs.

The two ends of the main body 1 are respectively provided with an air inlet 11 and an air outlet 12, and one sides of the air inlet 11 and one side of the air outlet 12 are respectively provided with an ultraviolet lamp 21; after entering the main body 1 from the air inlet 11, the exhaust gas is pre-irradiated by the ultraviolet lamp 21 and then treated by the photocatalytic network 31, and after-irradiated by the last stage ultraviolet lamp 21 before being discharged after treatment, the exhaust gas is discharged through the air outlet 12.

The main body 1 is also provided with an access door 5, and the access door 5 is hinged with the main body 1; the main body 1 is cylindrical; the installation and maintenance operations of the internal equipment of the main body 1 are performed through the access door 5.

The utility model discloses a theory of operation: the ultraviolet lamp 21 closest to one side of the air inlet 11 pre-irradiates the waste gas to be purified, and pre-treats ozone in the waste gas; and pre-illuminating the photocatalytic net 31 to pre-treat VOCs molecules in the waste gas; with the waste gas passing through the first photocatalytic network 31, the ultraviolet lamp 21 irradiates both the photocatalytic networks 31 at both sides, and simultaneously treats ozone and VOCs; as the exhaust gas gradually moves to the rear stage, the ozone and the VOCs are treated step by step until the last stage of the ultraviolet lamp 21 at the gas outlet 12 performs the final treatment on the ozone and the VOCs, and after the treatment, the exhaust gas is discharged from the gas outlet 12.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (10)

1. The waste gas treatment device is characterized by comprising a main body, wherein a plurality of irradiation devices and a plurality of catalytic devices are arranged in the main body, and the irradiation devices and the catalytic devices are alternately arranged in the main body; a plurality of mounting grooves are formed in the main body, and the catalytic device is arranged in the mounting grooves; the irradiation device is used for irradiating the catalytic device and the exhaust gas entering the main body; the catalytic device is used for carrying out photocatalysis.

2. The exhaust treatment device of claim 1, wherein the irradiation device comprises a uv lamp, and the uv lamp is adhered to the inner wall of the main body.

3. The apparatus of claim 1, wherein the catalytic device comprises a photocatalytic net, and the photocatalytic net is provided with a titanium dioxide layer on an outer surface thereof.

4. The exhaust gas treatment device of claim 3, wherein the photocatalytic net is provided with a plurality of meshes, and the mesh density is greater than 20 meshes and less than 50 meshes.

5. The exhaust gas treatment device for high voltage electrostatic oil and smoke purifier as claimed in claim 2, wherein said main body is provided with an air inlet and an air outlet at two ends thereof, and an ultraviolet lamp is disposed at one side of said air inlet and one side of said air outlet.

6. The exhaust gas treatment device for the high-voltage electrostatic oil and smoke purifier as recited in claim 1, wherein said main body is further provided with an access door, and said access door is hinged to said main body.

7. The exhaust gas treatment device according to claim 1, wherein the main body has a cylindrical shape.

8. The exhaust gas treatment device of claim 2, wherein the uv lamp is spherical.

9. The exhaust gas treatment device according to claim 8, wherein the ultraviolet light has a wavelength of 254 nm.

10. The exhaust gas treatment device according to claim 4, wherein the photocatalytic mesh is made of a stainless steel material.

Images