Odor cleaning equipment applied to public venue

Abstract

The utility model discloses peculiar smell cleaning equipment applied to public venues, which comprises an air exhaust box and a processing pipe positioned at the top end of the air exhaust box, the air exhaust box comprises a bottom plate and a top plate positioned on the upper surface of the bottom plate, a centrifugal fan is mounted in an inner cavity between the bottom plate and the top plate, the processing pipe is communicated with an inner cavity of the air exhaust box, and the processing pipe is communicated with the inner cavity of the air exhaust box. A catalyst, a supporting frame and an air inlet plate are sequentially arranged in an inner cavity of the treatment pipe from bottom to top, and a plurality of ultraviolet lamps distributed at equal intervals are arranged on the upper surface and the lower surface of the top end of the supporting frame. Through cooperation of an ultraviolet lamp and a catalyst, the photocatalyst is irradiated by ultraviolet light to generate photon-generated carriers, H2O in hole oxidation air generates active species such as. OH and the like, VOCs components in the air are oxidized by the active species to generate decomposition reaction when passing through the module, and the VOCs components in the air are separated from the module. And then the purified air is exhausted from the air outlet plate, so that the indoor air is effectively purified, the structure is simple, and the use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of odor cleaning devices, and in particular relates to an odor cleaning device used in public venues. Background Art

[0002] Public venues are characterized by high population mobility, which often produces odors and causes discomfort for visitors. Volatile organic compounds (VOCs) are particularly common, with widespread sources and difficulty in control. Some VOCs are also highly toxic, posing a significant threat to both human health and the natural environment. Photocatalytic technology has been widely used to degrade environmental pollutants since the 1970s, and has a significant market application in indoor air purification, including formaldehyde and VOC treatment, occupying a significant market share. However, the current common photocatalytic indoor purification technology is based on spraying sol-gel catalysts onto surfaces for purification of initial indoor decoration. Indoor air purification equipment using photocatalysis as its core technology is relatively rare. Utility Model Content

[0003] The purpose of the utility model is to provide an odor cleaning device for use in public venues to solve the technical problems raised in the background technology.

[0004] To achieve the above-mentioned purpose, the specific technical solution of the utility model is as follows: an odor cleaning device used in public venues, comprising an exhaust box and a treatment pipe located at the top of the exhaust box, the exhaust box comprising a bottom plate and a top plate located on its upper surface, the inner cavity between the bottom plate and the top plate is installed with a centrifugal fan, and the treatment pipe is connected to the inner cavity of the exhaust box, the inner cavity of the treatment pipe is sequentially provided with a catalyst, a support frame and an air inlet plate from bottom to top, and the upper and lower surfaces of the top of the support frame are provided with a plurality of equally spaced ultraviolet lamps.

[0005] Preferably, a circular groove for accommodating a centrifugal fan is provided in the middle portion of the upper surface of the bottom plate and the middle portion of the bottom of the top plate, and air outlet grooves are provided on both sides of the circular groove.

[0006] Preferably, air outlet plates are provided at the openings of the air outlet slots at both ends of the bottom plate and the top plate.

[0007] Preferably, an air confluence port is provided in the middle portion of the upper surface of the top plate, and the air confluence port is an inverted cone-shaped structure.

[0008] Preferably, the catalyst has a honeycomb structure.

[0009] Preferably, the upper surface of the support frame is provided with a plurality of elongated openings distributed at equal intervals, and the surface of the air inlet plate is provided with a plurality of air inlets distributed at equal intervals.

[0010] Preferably, the inner cavity of the treatment tube is provided with a first step, a second step and a third step from bottom to top for installing the catalyst, the support frame and the air inlet plate.

[0011] The utility model is an odor cleaning device used in public venues, which has the following advantages:

[0012] This odor removal device, used in public venues, can purify odors in the air of public venues. Through the cooperation between the ultraviolet lamp and the catalyst, the photocatalyst is irradiated by ultraviolet light to generate photogenerated carriers, and the holes oxidize H2O in the air to produce active species such as OH. When the VOCs components in the air pass through this module, they are oxidized by the active species and decomposed. The purified gas is then discharged from the air outlet plate, thereby effectively purifying the indoor air. The device has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 for Figure 1 Front view of

[0016] Figure 3 This is an exploded view of the exhaust box in the present utility model;

[0017] Figure 4 This is an exploded view of the processing tube in the present utility model;

[0018] Explanation of the markings in the figure: 1. Exhaust box; 2. Treatment pipe; 3. Air inlet plate; 4. Air outlet plate; 5. UV lamp; 6. Catalyst; 7. Air confluence port; 8. Centrifugal fan; 9. Bottom plate; 10. Top plate; 11. Circular groove; 12. Air outlet groove; 13. Long strip opening; 14. Air inlet; 15. First step; 16. Second step; 17. Third step; 18. Support frame. DETAILED DESCRIPTION

[0019] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0020] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0022] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0023] The disclosure below provides many different embodiments or examples for implementing different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the components and settings of specific examples are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. In addition, the embodiments of the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0024] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of an odor cleaning device for use in public venues of the present invention in conjunction with the accompanying drawings.

[0025] like Figure 1-4As shown, the utility model is an odor cleaning device for public venues, comprising an exhaust box 1 and a treatment pipe 2 located at the top of the exhaust box 1, the exhaust box 1 comprising a bottom plate 9 and a top plate 10 located on its upper surface, a centrifugal fan 8 is installed in the inner cavity between the bottom plate 9 and the top plate 10, a circular groove 11 for accommodating the centrifugal fan 8 is provided in the middle portion of the upper surface of the bottom plate 9 and the middle portion of the bottom of the top plate 10, and an air outlet slot 12 is provided on both sides of the circular groove 11, and air outlet plates 4 are provided at the openings of the air outlet slot 12 at both ends of the bottom plate 9 and the top plate 10, and a dust filter mesh is provided on the surface of the air outlet plate 4. An air convection port 7 is provided in the middle portion of the upper surface of the top plate 10, and the air convection port 7 is an inverted cone-shaped structure, so that the air purified by the treatment pipe 2 converges at the air convection port 7, enters the air outlet slot 12, and is discharged through the air outlet plate 4. The treatment tube 2 is connected to the inner cavity of the exhaust box 1. The inner cavity of the treatment tube 2 is provided with a catalyst 6, a support frame 18 and an air inlet plate 3 from bottom to top. The catalyst 6 is a honeycomb structure. The upper and lower surfaces of the top of the support frame 18 are provided with a plurality of equally spaced ultraviolet lamps 5. The upper surface of the support frame 18 is provided with a plurality of equally spaced long strips 13, and the surface of the air inlet plate 3 is provided with a plurality of equally spaced air inlets 14. The inner cavity of the treatment tube 2 is provided with a catalyst 6, a support frame 18 and an air inlet plate 3 from bottom to top. The first step 15, the second step 16 and the third step 17 of the air inlet plate 3. First, the polluted air in the public venue enters the treatment tube 2 from the air inlet 14 of the air inlet plate 3, and then passes through the oxidation module. The oxidation module is composed of a UV lamp 5 and a catalyst 6. The photocatalyst is irradiated by ultraviolet light to generate photogenerated carriers. The holes oxidize H2O in the air to produce active species such as OH. When the VOCs components in the air pass through this module, they are oxidized by the active species and decomposed. Then the purified gas is discharged from the air outlet plate 4.

[0026] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. An odor cleaning device used in public venues, characterized by: The invention comprises an exhaust box (1) and a treatment pipe (2) located at the top of the exhaust box (1), wherein the exhaust box (1) comprises a bottom plate (9) and a top plate (10) located on the upper surface thereof, a centrifugal fan (8) is installed in the inner cavity between the bottom plate (9) and the top plate (10), and the treatment pipe (2) is connected to the inner cavity of the exhaust box (1), and the inner cavity of the treatment pipe (2) is sequentially provided with a catalyst (6), a support frame (18) and an air inlet plate (3) from bottom to top, and a plurality of ultraviolet lamps (5) distributed at equal intervals are provided on the upper and lower surfaces of the top of the support frame (18).

2. The odor cleaning device for use in public venues according to claim 1, characterized in that: A circular groove (11) for accommodating a centrifugal fan (8) is provided at the middle portion of the upper surface of the bottom plate (9) and the middle portion of the bottom of the top plate (10), and air outlet grooves (12) are provided on both sides of the circular groove (11).

3. The odor cleaning device for use in public venues according to claim 2, characterized in that: Air outlet plates (4) are provided at both ends of the bottom plate (9) and the top plate (10) at the openings of the air outlet slots (12).

4. The odor cleaning device for use in public venues according to claim 1, characterized in that: An air confluence port (7) is provided at the middle portion of the upper surface of the top plate (10), and the air confluence port (7) is an inverted cone-shaped structure.

5. The odor cleaning device for use in public venues according to claim 1, characterized in that: The catalyst (6) has a honeycomb structure.

6. The odor cleaning device for use in public venues according to claim 1, characterized in that: The upper surface of the support frame (18) is provided with a plurality of elongated openings (13) distributed at equal intervals, and the surface of the air inlet plate (3) is provided with a plurality of air inlets (14) distributed at equal intervals.

7. The odor cleaning device for use in public venues according to claim 1, characterized in that: The inner cavity of the treatment tube (2) is provided with a first step (15), a second step (16) and a third step (17) for installing a catalyst (6), a support frame (18) and an air inlet plate (3) in sequence from bottom to top.

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