Water-mediated atomized granular air purification device and method

Abstract

The application discloses a water medium atomized group air purification device and method, and relates to the technical field of air purification. The device comprises a purification bin, a liquid storage tank, a group preparation system and a particle recovery system. The group preparation system atomizes a water medium solution containing nano titanium dioxide, activated carbon, quaternary ammonium salt and sodium silicate through an atomizer, and forms porous groups through hot air drying at 200 DEG C. A spiral purification air duct is arranged in the purification bin, PM2.5 is adsorbed by the groups, the electrostatic bin enhances particle collision and adsorption, and the ultraviolet bin activates titanium dioxide to decompose formaldehyde and cooperatively sterilizes. The particle recovery system collects saturated groups through a second cyclone separator, and the groups are recycled through a flow guide groove and a spiral conveyor. The application realizes the cooperative treatment of PM2.5, formaldehyde and bacteria.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air purification, in particular to a water medium atomized granular air purification device and purification method. BACKGROUND

[0002] With the acceleration of industrialization, air pollution problems are becoming increasingly serious, especially PM2.5, formaldehyde, benzene series and bacteria pollutants pose a serious threat to human health. The traditional air purification technology has the following limitations:

[0003] Single function defect: HEPA filter technology can filter particulate matter, but cannot decompose gaseous pollutants (such as formaldehyde).

[0004] Insufficient synergistic treatment: existing technologies are mostly designed for single pollutants, making it difficult to achieve synergistic purification of multiple pollutants (particulate matter, organic matter, microorganisms). For example, although atomization technology can adsorb particulate matter through water molecules, it lacks the ability to decompose volatile organic compounds (VOCs).

[0005] Therefore, there is an urgent need for an air purification technology that integrates adsorption, catalysis and sterilization functions. SUMMARY

[0006] In view of the defects in the prior art, the present application provides a water medium atomized granular air purification device and purification method.

[0007] The present application is realized by the following technical solutions:

[0008] A water medium atomized granular air purification device, comprising a purification bin and a liquid storage tank, a purification air duct is arranged in the purification bin, an air inlet pipe is connected to the inlet end of the purification air duct, a first fan is connected to the air inlet pipe, a granular bin is arranged at the air inlet pipe, and the discharge port of the granular bin is connected to the air inlet pipe; a first cyclone separator is connected to the top of the granular bin, a hot air duct is arranged at the inlet end of the first cyclone separator, an atomizer connected to the hot air duct is arranged at the hot air duct, the atomizer is connected to the liquid storage tank through a water supplement pipe and a water pump; an electrostatic bin is connected to the outlet end of the purification air duct, and an electrostatic plate is arranged in the electrostatic bin; an ultraviolet disinfection bin is connected to the outlet end of the electrostatic bin, the outlet end of the ultraviolet disinfection bin is connected to the inlet end of a second cyclone separator through a second fan, and the bottom of the second cyclone separator is connected to a collection bin.

[0009] Preferably, the purification air duct is spiral-shaped.

[0010] Preferably, a flow guide groove is arranged at the bottom of the granular bin and the collection bin, and a spiral conveyor is connected to the bottom of the flow guide groove, and the discharge port of the spiral conveyor at the granular bin is connected to the air inlet pipe.

[0011] Preferably, the hot air duct is connected to a hot air fan, and an exhaust pipe is connected to the air outlet of the first cyclone separator.

[0012] Preferably, a stirring shaft is arranged in the liquid storage tank.

[0013] Preferably, the side wall of the ultraviolet light chamber is provided with ultraviolet light.

[0014] Preferably, a PM2.5 sensor and a VOCs sensor are arranged at the air outlet of the second cyclone separator.

[0015] A purification method of the waterborne atomized granule air purification device is as follows:

[0016] Granule preparation: nano titanium dioxide, activated carbon powder, quaternary ammonium salt bactericide and silicon source precursor are dispersed in deionized water to form a homogeneous waterborne solution; the waterborne solution is atomized into a hot air duct through an atomizer, and the atomized droplets are dried by 200 DEG C hot air to generate granules;

[0017] Purification stage: the granules preliminarily adsorb PM2.5 in the air in the purification air duct; in the electrostatic chamber, the collision between PM2.5 and the granules is increased by the electrostatic effect, helping the granules to further adsorb PM2.5; in the ultraviolet light chamber, the ultraviolet light sterilizes the air and activates the titanium dioxide to decompose formaldehyde and benzene series; the granules release quaternary ammonium salt for sterilization in the purification stage;

[0018] Particle recovery: the purified particles fall into the collection chamber through the separation of the second cyclone separator.

[0019] Preferably, the silicon source precursor is sodium silicate.

[0020] Preferably, the working voltage of the electrostatic plate is 500-1500V.

[0021] The beneficial effects of the present application are as follows: the present application realizes the functions of pollutant adsorption and sterilization through the generated granules, realizes the collaborative treatment of multiple pollutants, and improves the air purification efficiency; the present application can effectively remove PM2.5, formaldehyde and bacteria in the air, and collect the used granules; the present application can make the granules better adsorb PM2.5 in the air through the design of the spiral air duct and the electrostatic chamber. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0023] Figure 1 The isometric view of the present application.

[0024] Figure 2 is a front view of the present application.

[0025] Figure 3 is a rear view of the present application.

[0026] Figure 4 is a structural view of the present application.

[0027] Figure 5 is a partial view of the second cyclone separator outlet of the present application.

[0028] In the drawings: 1, purification bin; 2, air inlet pipe; 3, first fan; 4, pellet bin; 5, first cyclone separator; 6, exhaust pipe; 7, hot air duct; 8, hot air fan; 9, atomizer; 10, water supplement pipe; 11, water pump; 12, liquid storage tank; 13, stirring shaft; 14, electrostatic bin; 15, electrostatic plate; 16, ultraviolet bin; 17, ultraviolet lamp; 18, second fan; 19, second cyclone separator; 20, collection bin; 21, purification air duct; 22, PM2.5 sensor; 23, VOCs sensor. DETAILED DESCRIPTION

[0029] In order to make the above objectives, features and advantages of the present application more apparent, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a lot of other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, and therefore the present application is not limited to the specific embodiments disclosed below.

[0030] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present.

[0031] For ease of description, spatially relative terms such as "upper", "lower", "left", "right", and the like can be used herein for describing an element's relationship to another element(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device is inverted, elements described as being "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes a set of one or more associated listed items.

[0033] The water medium atomization granule air purification device of the present application is described in detail below: a water medium atomization granule air purification device, comprising a purification bin 1 and a liquid storage tank 12, a spiral-shaped purification air duct 21 is arranged in the purification bin 1, the spiral-shaped purification air duct 21 can prolong the contact time of the granules with PM2.5, the inlet end of the purification air duct 21 is connected with an air inlet pipe 2, the air inlet pipe 2 is connected with a first fan 3, a granule bin 4 is arranged at the air inlet pipe 2, and the discharge port of the granule bin 4 is connected with the air inlet pipe 2; a first cyclone separator 5 is connected with the top of the granule bin 4, a hot air duct 7 is arranged at the inlet end of the first cyclone separator 5, the hot air duct 7 is connected with a hot air fan 8, an atomizer 9 is arranged at the hot air duct 7, the atomizer 9 is connected with the liquid storage tank 12 through a water supplement pipe 10 and a water pump 11, a stirring shaft 13 is arranged in the liquid storage tank 12 to prevent the water medium solution from precipitating and keep the water medium solution homogeneous; the outlet end of the purification air duct 21 is connected with an electrostatic bin 14, and the electrostatic bin 14 is provided with an electrostatic plate 15; the outlet end of the electrostatic bin 14 is connected with an ultraviolet disinfection bin, an ultraviolet bin 16 is provided with an ultraviolet lamp 17 on the side wall, the outlet end of the ultraviolet disinfection bin is connected with the inlet end of a second cyclone separator 19 through a second fan 18, and the bottom of the second cyclone separator 19 is connected with a collection bin 20.

[0034] The bottom of the granule bin 4 and the bottom of the collection bin 20 are both provided with a flow guide groove, and the flow guide groove is connected with a screw conveyor, and the discharge port of the screw conveyor at the granule bin 4 is connected with the air inlet pipe 2.

[0035] The air outlet of the first cyclone separator 5 is connected with an exhaust pipe 6 for discharging humid hot gas. As a preferred solution, the exhaust pipe 6 can be dried by a filter screen with a drying agent and then input into the hot air fan 8 for recycling use, so as to reduce energy consumption.

[0036] The air outlet of the second cyclone separator 19 is provided with a PM2.5 sensor 22 and a VOCs sensor 23 for detecting the air purification effect.

[0037] The purification method of the water medium atomization granule air purification device is as follows:

[0038] Pellet preparation: nano-titanium dioxide, activated carbon powder, quaternary ammonium salt bactericide and silicon source precursor are dispersed in deionized water to form a homogeneous aqueous solution and added to the liquid tank 12; the aqueous solution is pumped by the water pump 11 into the atomizer 9, atomized by the atomizer 9 into the hot air duct 7, and the atomized droplets are dried by the 200℃ hot air to rapidly dehydrate the atomized droplets to form porous pellets, thereby increasing the specific surface area and adsorption activity; the generated pellets are separated by the first cyclone separator 5 and fall into the pellet bin 4, which can be sent into the air inlet pipe 2 by the screw conveyor for air purification, and the motor speed of the screw conveyor at the pellet bin 4 can be controlled to regulate the amount of pellets added;

[0039] Purification stage: the pellets preliminarily adsorb PM2.5 in the air in the purification air duct 21; in the electrostatic bin 14, the electrostatic effect increases the collision between PM2.5 and the pellets, helping the pellets to further adsorb PM2.5; in the ultraviolet bin 16, ultraviolet light sterilizes the air and activates titanium dioxide to decompose formaldehyde and benzene series; the pellets release quaternary ammonium salt for sterilization during the purification stage;

[0040] Particle recovery: the purified particles fall into the collection bin 20 through the separation of the second cyclone separator 19. The pellets in the collection bin 20 can be recycled by treatment, and the preferred treatment method is microwave regeneration, that is, the pellets are heated by 2.45GHz microwave irradiation to desorb pollutants and restore activity, thereby being recycled.

[0041] Preferably, the silicon source precursor is sodium silicate.

[0042] Preferably, the working voltage of the electrostatic plate 15 is 500-1500V.

[0043] The air purification effect can be monitored by the PM2.5 sensor 22 and the VOCs sensor 23, and if the detected value is greater than the preset value, the pellets collected in the collection bin 20 cannot be recycled.

[0044] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for part or all of the technical features; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A water-based atomizing particle air purification device, comprising a purification chamber (1) and a liquid storage tank (12), characterized in that: The purification chamber (1) is equipped with a purification air duct (21). The inlet end of the purification air duct (21) is connected to an air inlet pipe (2). A first fan (3) is connected to the air inlet pipe (2). A pelleting chamber (4) is set at the air inlet pipe (2). The outlet of the pelleting chamber (4) is connected to the air inlet pipe (2). A first cyclone separator (5) is connected to the top of the pelleting chamber (4). A hot air duct (7) is set at the inlet end of the first cyclone separator (5). A device connected to the hot air duct (7) is set at the hot air duct (7). Atomizer (9) is connected to liquid storage tank (12) via water supply pipe (10) and water pump (11); the outlet end of purification air duct (21) is connected to electrostatic chamber (14), and electrostatic plate (15) is installed inside electrostatic chamber (14); the outlet end of electrostatic chamber (14) is connected to ultraviolet disinfection chamber, and the outlet end of ultraviolet disinfection chamber is connected to the inlet end of second cyclone separator (19) via second fan (18), and collection chamber (20) is connected to the bottom of second cyclone separator (19); The purification method of the water-based atomized agglomerate air purification device is as follows: Particle preparation: Nano-titanium dioxide, activated carbon powder, quaternary ammonium salt bactericide and silicon source precursor are dispersed in deionized water to form a homogeneous aqueous solution; The aqueous solution is atomized by the atomizer (9) and enters the hot air duct (7). The atomized droplets are dried by hot air at 200°C to form granules. Purification stage: The particles initially adsorb PM2.5 in the air within the purification duct (21); in the electrostatic chamber (14), the collision between PM2.5 and the particles is increased through the effect of static electricity, which helps the particles to further adsorb PM2.5; in the ultraviolet chamber (16), ultraviolet light sterilizes the air and activates titanium dioxide to decompose formaldehyde and benzene compounds; during the purification stage, the particles release quaternary ammonium salts for sterilization. Particle recovery: The purified particles fall into the collection chamber (20) after being separated by the second cyclone separator (19).

2. The water-based atomizing particle air purification device as described in claim 1, characterized in that: The purification air duct (21) is spiral-shaped.

3. The water-based atomizing particle air purification device as described in claim 1, characterized in that: Both the pellet bin (4) and the collection bin (20) are equipped with guide channels at the bottom. A screw conveyor is connected to the bottom of the guide channel. The discharge port of the screw conveyor at the pellet bin (4) is connected to the air inlet pipe (2).

4. The water-based atomizing particle air purification device as described in claim 1, characterized in that: The hot air duct (7) is connected to the hot air blower (8), and the air outlet of the first cyclone separator (5) is connected to the exhaust pipe (6).

5. The water-based atomizing particle air purification device as described in claim 1, characterized in that: The storage tank (12) is equipped with a stirring shaft (13).

6. The water-based atomizing particle air purification device as described in claim 1, characterized in that: The side wall of the ultraviolet chamber (16) is equipped with ultraviolet lamps (17).

7. The water-based atomizing particle air purification device as described in claim 1, characterized in that: The second cyclone separator (19) is equipped with a PM2.5 sensor (22) and a VOCs sensor (23) at its air outlet.

8. The water-based atomizing particle air purification device as described in claim 1, characterized in that: The silicon source precursor is sodium silicate.

9. The water-based atomizing particle air purification device as described in claim 1, characterized in that: The operating voltage of the electrostatic plate (15) is 500-1500V.

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