Air purification device

Abstract

The utility model relates to the field of air purification, in particular to an air purification device which comprises a purification box, an air draft box and an air draft channel, the air draft channel is connected with an air outlet of the purification box and an air draft opening of the air draft box, and two physical adsorption bins and a chemical reaction bin are arranged in the purification box. The left panel and the right panel of the purification box are both provided with air inlet grids, the chemical reaction bin is arranged between the two physical adsorption bins, the front end of the chemical reaction bin is provided with a reaction bin air outlet grid, the reaction bin air outlet grid of the chemical reaction bin is close to the air outlet of the purification box, and the rear end of the chemical reaction bin is provided with a reaction bin air inlet. Air enters the physical adsorption bin through the air inlet grid and then enters the purification box, and the air entering the purification box enters the chemical reaction bin through the reaction bin air inlet, then enters the air outlet through the front end and is extracted by the air extraction box from the air extraction channel. By combining two purification technologies of physical adsorption and chemical reaction, efficient and lasting air purification in a high-concentration polluted environment is realized.

Description

Technical Field

[0001] The utility model relates to the field of air purification, in particular to an air purification device. Background Art

[0002] TVOC purifiers are devices specifically designed to remove TVOC and other volatile organic compounds from indoor air. By using a variety of filters and technologies, these purifiers can capture and degrade these organic pollutants, thereby improving the quality of indoor air. However, there are some limitations to the products currently available on the market, especially when dealing with high concentration environments.

[0003] First, existing products usually adopt a single purification method, which leads to their low purification efficiency in high-concentration environments. Because in high-concentration environments, the content of pollutants is high, and a single technology may not be able to effectively treat all types of pollutants, thus limiting the effectiveness of the purifier.

[0004] Secondly, the common photocatalyst technology used in some purifiers is easily deactivated in high-concentration environments. Although photocatalyst technology performs well in low-concentration environments, in high-concentration environments, the photocatalyst may be affected by too many pollutants and lose its activity, making it unable to purify effectively. Summary of the invention

[0005] In view of the above-mentioned technical problems, the present invention provides an air purification device, including a purification box, an exhaust box and an exhaust channel, one end of the exhaust channel is connected to the air outlet of the front panel of the purification box, and the other end is connected to the exhaust port of the exhaust box, two physical adsorption chambers and one chemical reaction chamber are arranged inside the purification box, the left and right panels of the purification box are provided with air inlet grids, the two physical adsorption chambers are respectively arranged in the purification box close to the two air inlet grids, the chemical reaction chamber is arranged in the middle of the two physical adsorption chambers, the front end of the chemical reaction chamber is the reaction chamber air outlet grid, the reaction chamber air outlet grid of the chemical reaction chamber is close to the air outlet of the purification box, and the rear end of the chemical reaction chamber is the reaction chamber air inlet, the air enters the physical adsorption chamber from the air inlet grid, and then enters the purification box, the air entering the purification box enters the chemical reaction chamber through the reaction chamber air inlet, and then enters the air outlet through the front end, and is extracted from the exhaust channel by the exhaust box.

[0006] Beneficial Effects

[0007] The utility model realizes efficient and lasting air purification in a high-concentration pollution environment by combining two purification technologies, physical adsorption and chemical reaction. Physical adsorption, as a front-end purification structure, can absorb and fix pollutants, providing favorable conditions for subsequent chemical reactions; while the chemical reaction uses precious metal-doped photocatalysts to further decompose organic pollutants under the irradiation of ultraviolet light, and finally discharges the purified clean gas through the exhaust system, effectively avoiding the problem of decreased purification efficiency after physical adsorption is saturated; in addition, since a physical adsorption chamber is used as the front-end purification structure, there is no need to worry about the deactivation of precious metal-doped photocatalysts in the chemical reaction chamber, thereby ensuring the stability and efficiency of the entire purification system. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0009] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0010] Figure 2 It is a partial schematic diagram of the utility model Figure 1 ;

[0011] Figure 3 It is a partial schematic diagram of the utility model Figure 2 ;

[0012] Figure 4 It is a partial schematic diagram of the chemical reaction chamber of the utility model;

[0013] Figure 5 It is a partial schematic diagram of the reaction plate of the utility model.

[0014] Reference numerals:

[0015] 1 purification box; 10 front panel; 101 air outlet; 11 physical adsorption chamber; 110 side panel; 111 adsorption plate; 112 adsorption chamber air outlet; 12 chemical reaction chamber; 120 reaction chamber air inlet; 121 top plate; 1211 ultraviolet lamp; 122 reaction plate; 1221 groove; 1222 photocatalyst coating; 124 reaction chamber air outlet grid; 13 air inlet grid; 14 inspection panel; 15 rolling support structure; 2 exhaust box; 20 operation panel; 3 exhaust channel. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0017] In the description of the present invention, the terms "upper", "lower", "left", "right", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0018] In the description of the present invention, it should be understood that the terms "including" and "having" and any variations thereof used herein are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0019] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected or indirectly connected through an intermediate medium, and it can make the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances. In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

[0020] like Figure 1-Figure 5 An air purification device shown includes a purification box 1, an exhaust box 2 and an exhaust channel 3;

[0021] Further, one end of the exhaust channel 3 is connected to the air outlet 101 of the front panel 10 of the purification box 1, and the other end is connected to the exhaust port of the exhaust box 2;

[0022] Furthermore, two physical adsorption chambers 11 and one chemical reaction chamber 12 are arranged inside the purification box 1;

[0023] Furthermore, both left and right panels of the purification box 1 are provided with air inlet grids 13, and the two physical adsorption bins 11 are respectively arranged in close contact with the two air inlet grids 13 inside the purification box 1;

[0024] Furthermore, the chemical reaction chamber 12 is arranged in the middle of the two physical adsorption chambers 11, the front end of the chemical reaction chamber 12 is a reaction chamber air outlet grid 124, the reaction chamber air outlet grid 124 of the chemical reaction chamber 12 is close to the air outlet 101 of the purification box 1, and the rear end of the chemical reaction chamber 12 is a reaction chamber air inlet 120;

[0025] Among them, the air enters the physical adsorption chamber 11 through the air inlet grid 13, and then enters the purification box 1. The air entering the purification box 1 enters the chemical reaction chamber 12 through the reaction chamber air inlet 120, and then enters the air outlet 101 through the front end, and is extracted from the exhaust channel 3 by the exhaust box (2).

[0026] In some embodiments, the side of the physical adsorption chamber 11 that is attached to the air inlet grid 13 is a first side plate 110, and an adsorption plate 111 is disposed on the first side plate 110;

[0027] Furthermore, the adsorption plate 111 is in a hollow grid shape;

[0028] Furthermore, an adsorption chamber air outlet 112 is provided on the physical adsorption chamber 11;

[0029] Furthermore, the air enters the physical adsorption chamber 11 through the adsorption plate 111 , and is then discharged from the adsorption chamber air outlet 112 and enters the purification box 1 .

[0030] In some embodiments, the adsorption plate 111 is a graphene nano-mesoporous material, which is used to adsorb large particle pollutants in the air.

[0031] Among them, since graphene has a large number of nanoscale pore structures, these pores can provide more adsorption surface area, which can realize a rapid adsorption and release process, so that harmful substances in the air can be quickly adsorbed and can be quickly released under appropriate conditions, thereby extending the service life of the material and increasing the adsorption capacity and adsorption rate of the adsorption plate 111.

[0032] In some embodiments, the top plate 121 of the chemical reaction chamber 12 is provided with an ultraviolet lamp 1211 with adjustable power.

[0033] In some embodiments, one or more reaction plates 122 are disposed in the chemical reaction chamber 12;

[0034] Furthermore, a groove 1221 is provided at the upper end of the reaction plate 122. When the top plate 121 is covered, the ultraviolet lamp 1211 is just embedded in the groove 1221. This can not only increase the ultraviolet lamp 1211 closer to the reaction plate 122 to improve light utilization, but also save space in the chemical reaction chamber 12, increase the area of ​​the reaction plate 122 as much as possible, and improve reaction efficiency.

[0035] In some embodiments, the width of the reaction plate 122 is smaller than the width of the chemical reaction chamber 12, and the same or approximately the same intervals are maintained between multiple reaction plates 122. Each adjacent two reaction plates 122 are connected and arranged on the inner wall of the relative chemical reaction chamber 12 to form a zigzag channel for air flow, so that air enters from the reaction chamber air inlet 120 and flows to the reaction chamber air outlet grid 124.

[0036] In some embodiments, the reaction plate 122 is a glass or acrylic plate;

[0037] Among them, the reaction plate 122 can also be other highly light-transmitting materials. Since highly light-transmitting materials can transmit ultraviolet light more effectively, allowing the light to more fully irradiate the surface of the photocatalyst, it can improve the utilization rate of light and increase the efficiency of the oxidation reaction. At the same time, since light can more effectively penetrate highly light-transmitting materials, lower-power ultraviolet lamps 1211 can be used or the lighting time can be reduced, thereby saving energy costs.

[0038] In some embodiments, the surface of the reaction plate 122 is coated with a photocatalyst coating 1222 .

[0039] In some embodiments, a movable inspection panel 14 is provided on the top of the purification box 1. When replacement or inspection is required, the physical adsorption chamber 11 and the chemical reaction chamber 12 can be taken out by opening the inspection panel 14.

[0040] For example, since the graphene material used in the adsorption plate 111 has excellent stability and durability, after the physical adsorption chamber 11 is taken out through the inspection plate 14, its adsorption performance can be restored through simple regeneration or heat treatment, thereby achieving recycling and reducing resource consumption and costs.

[0041] Furthermore, a rolling support structure 15 is also provided at the bottom of the purification box 1, which improves its portability and flexibility, allowing users to easily move the device to different places to meet the needs of various usage scenarios.

[0042] In some embodiments, the exhaust box 2 is provided with an exhaust motor inside and an operation panel 20 on the side;

[0043] Furthermore, the operation panel 20 is used to turn on or off the exhaust motor, and can also control the brightness of the ultraviolet lamp (1211).

[0044] For example, under the premise of ensuring the same purification efficiency, different experiments were compared and the TVOC concentration was tested using Honeywell PGM-7340. The concentration unit was ug / m 3 ; The detection time is the inlet and outlet concentration at the beginning and 1 hour later, and the concentration in the environment is maintained at 30000ug / m 3 The fluctuation does not exceed 5%. The experimental test record data is as follows:

[0045]

[0046]

[0047] It can be seen that by setting physical adsorption as the front-end purification structure, after absorbing and fixing the pollutants, a chemical reaction is carried out to carry out the second step of decomposition and transformation, which effectively avoids the problem of decreased purification efficiency after physical adsorption is saturated; in addition, since a physical adsorption chamber is used as the front-end purification structure, there is no need to worry about the deactivation of precious metal-doped photocatalysts in the chemical reaction chamber, thereby ensuring the stability and efficiency of the entire purification system.

[0048] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, which all fall within the protection of the utility model.

Claims

1. An air purification device, It is characterized in that It comprises a purification box (1), an exhaust box (2) and an exhaust channel (3); One end of the exhaust passage (3) is connected to the air outlet (101) of the front panel (10) of the purification box (1), and the other end is connected to the exhaust port of the exhaust box (2); Two physical adsorption chambers (11) and a chemical reaction chamber (12) are arranged inside the purification box (1); The left and right panels of the purification box (1) are both provided with air inlet grids (13), and the two physical adsorption bins (11) are respectively arranged in close contact with the two air inlet grids (13) inside the purification box (1); The chemical reaction chamber (12) is arranged in the middle of the two physical adsorption chambers (11); the front end of the chemical reaction chamber (12) is a reaction chamber air outlet grid (124); the reaction chamber air outlet grid (124) of the chemical reaction chamber (12) is close to the air outlet (101) of the purification box (1); and the rear end of the chemical reaction chamber (12) is a reaction chamber air inlet (120); The air enters the physical adsorption chamber (11) through the air inlet grid (13), and then enters the purification box (1). The air entering the purification box (1) enters the chemical reaction chamber (12) through the reaction chamber air inlet (120), and then enters the air outlet (101) through the front end, and is extracted from the exhaust channel (3) by the exhaust box (2).

2. An air purification device according to claim 1, It is characterized in that The side of the physical adsorption chamber (11) that is in contact with the air inlet grid (13) is a first side plate (110), and an adsorption plate (111) is provided on the first side plate (110); The adsorption plate (111) is in the shape of a hollow grid; The physical adsorption chamber (11) is provided with an adsorption chamber air outlet (112); The air enters the physical adsorption chamber (11) through the adsorption plate (111), and is then discharged from the adsorption chamber air outlet (112) and enters the purification box (1).

3. An air purification device according to claim 2, It is characterized in that The adsorption plate (111) is a graphene nano-mesoporous material and is used to adsorb large particle pollutants in the air.

4. An air purification device according to claim 1, It is characterized in that The top plate (121) of the chemical reaction chamber (12) is provided with an ultraviolet lamp (1211) with adjustable power.

5. An air purification device according to claim 4, It is characterized in that One or more reaction plates (122) are arranged in the chemical reaction chamber (12); The upper end of the reaction plate (122) is provided with a groove (1221), and when the top plate (121) is covered, the ultraviolet lamp (1211) is just embedded in the groove (1221).

6. An air purification device according to claim 5, It is characterized in that The width of the reaction plate (122) is smaller than the width of the chemical reaction chamber (12), and the multiple reaction plates (122) are spaced the same or approximately the same distance apart. Two adjacent reaction plates (122) are connected and arranged on the inner walls of the opposite chemical reaction chamber (12) to form a zigzag channel for air flow, so that air enters from the reaction chamber air inlet (120) and flows to the reaction chamber air outlet grid (124).

7. An air purification device according to claim 6, It is characterized in that The reaction plate (122) is a glass or acrylic plate.

8. An air purification device according to claim 6, It is characterized in that The surface of the reaction plate (122) is coated with a photocatalyst coating (1222).

9. An air purification device according to any one of claims 1 to 8, It is characterized in that A movable inspection panel (14) is provided on the top of the purification box (1), and the physical adsorption chamber (11) and the chemical reaction chamber (12) can be taken out by opening the inspection panel (14); A rolling support structure (15) is also provided at the bottom of the purification box (1).

10. An air purification device according to any one of claims 1 to 9, It is characterized in that The exhaust box (2) is provided with an exhaust motor inside and an operation panel (20) on the side; The operating panel (20) is used to turn on or off the exhaust motor, and can also control the brightness of the ultraviolet lamp (1211).

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