CN113944976A

CN113944976A - Air purifier

Info

Publication number: CN113944976A
Application number: CN202111505756.8A
Authority: CN
Inventors: 王新; 熊祖鸿; 任胜昌; 李姣姣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-28
Filing date: 2021-12-10
Publication date: 2022-01-18
Anticipated expiration: 2041-12-10
Also published as: CN112781166A; CN113944976B

Abstract

An air purifier, comprising: the reaction chamber is arranged along the vertical direction and is a cavity for reacting the water mist with air; the air outlet of the air exhaust mechanism is positioned at the upper end of the reaction chamber and is used for exhausting the filtered air; the spraying chamber is arranged below the reaction chamber; the spraying cavity is provided with an air inlet for the outside air to enter, and is communicated with the reaction cavity through an air outlet pipeline extending to the bottom of the reaction cavity; the water mist and the outside air move from the bottom of the reaction chamber to the top of the reaction chamber under the action of negative pressure so as to enter the exhaust mechanism; an atomizer for generating a water mist within the spray chamber. Through above-mentioned spatial layout mode, can solve present through the water smoke realization to its water smoke of air filtration air purifier can't fully react with the harmful substance in the air fully, cause its purifying effect of current water smoke air purifier poor problem effectively.

Description

Air purifier

Technical Field

The invention relates to the technical field of air purification, in particular to an air purifier which adsorbs viruses, particles, dust and the like in the air through water mist.

Background

The air purifier is used as a household appliance capable of removing pollutants such as particulate matters, viruses and bacteria in the air, and is increasingly applied to daily household life. In particular, viruses that are transmitted through air, aerosols, and the like are frequently found in society every spring and winter. The spread of such viruses poses a great hazard to public health safety. Because the existing air purification equipment mostly adopts the filter screen to realize air filtration, and the filter screen is too low in virus inhibition or virus killing performance, the existing filter screen air purification can not kill virus and bacteria in the air, can not completely block the aerosol propagation path of the virus, has more consumables and has high operation cost.

Patent document TW200513313A discloses an air cleaning device, which specifically discloses that a water mist wall is formed by converting water into water mist and forming the water mist wall by the water mist. The water mist wall is arranged on a flowing channel of air, so that viruses, particles, dust and the like in the air are adsorbed. Then, the aqueous solution adsorbed with the virus is sterilized by the medicament. However, in the prior art, the water mist wall consisting of water mist only blocks the aerosol transmission path of the virus, thereby realizing the collection and sterilization of the virus. The water mist does not have time and space to fully react with various harmful substances in the air, so that the problem that the water mist in the prior art has poor blocking effect on the aerosol transmission path of the viruses is caused.

Disclosure of Invention

Therefore, the invention aims to provide an air purifier to solve the problem that the existing water mist air purifier can not fully react with harmful substances in the air through water mist to cause poor purification effect. The application provides an air purifier, includes:

the reaction chamber is arranged along the vertical direction and is a cavity for reacting the water mist with air;

the air outlet of the air exhaust mechanism is positioned at the upper end of the reaction chamber and is used for exhausting the filtered air;

a spray chamber disposed below the reaction chamber; the spraying cavity is provided with an air inlet for external air to enter, and is communicated with the reaction cavity through an air outlet pipeline extending to the bottom of the reaction cavity; the water mist and the outside air move from the bottom of the reaction chamber to the top of the reaction chamber under the action of negative pressure to enter the exhaust mechanism;

an atomizer for generating a water mist within the spray chamber.

Optionally, the exhaust mechanism comprises: the air supply mechanism is arranged at the upper end of the reaction chamber and communicated with the reaction chamber, and the flow guide sleeve is sleeved outside the reaction chamber; the guide sleeve and the reaction chamber are enclosed into a centrifugal cavity for the mist mixed medium in the reaction chamber to flow out.

Optionally, the exhaust mechanism further comprises: an electrostatic defogging mechanism; the electrostatic demisting mechanism is communicated with the centrifugal cavity.

Optionally, the flow guide sleeve and the purifier outer shell are enclosed to form a communicating cavity which is respectively communicated with the centrifugal cavity and the inlet of the electrostatic demisting mechanism.

Optionally, the electrostatic defogging mechanism is arranged at the air outlet; and/or the centrifugal cavity is communicated with the disinfection water tank through a sewage conduit.

Optionally, a partition plate extending along the length direction of the centrifugal cavity and used for partitioning the centrifugal cavity into spiral channels is arranged in the centrifugal cavity.

Optionally, the number of the partition plates is multiple; and the partition plate is an inclined partition plate, one end of the inclined partition plate extends to the bottom of the diversion sleeve, and the other end of the inclined partition plate extends to the top of the diversion sleeve.

Optionally, the gas outlet pipeline is a reducing pipeline, and the cross section of the gas outlet pipeline facing one side of the spraying chamber is larger than that of the gas outlet pipeline facing one side of the reaction chamber.

Optionally, the atomizer is ultrasonic atomizer for the holding ultrasonic atomizer's atomizer water tank with the gas outlet pipeline sets up relatively, in order to supply water droplet in the gas outlet pipeline flows into in the atomizer water tank.

Optionally, an annular guide plate arranged opposite to the atomizer water tank is further arranged in the spraying chamber.

Optionally, the sterilizing water tank is used for accommodating the antibacterial filtering surface and the antibacterial ceramic purifying material.

Optionally, the bottoms of the centrifugal cavity and the communicating cavity are communicated with the disinfection water tank through the sewage conduit.

Optionally, the flow guide sleeve is a barrel-shaped structure with one end open and the other end closed, and one end of the flow guide sleeve facing the atomizer is an open end.

The technical scheme of the invention has the following advantages:

1. the invention provides an air purifier, comprising: the reaction chamber is arranged along the vertical direction and is a cavity for reacting the water mist with air; the air outlet of the air exhaust mechanism is positioned at the upper end of the reaction chamber and is used for exhausting the filtered air; a spray chamber disposed below the reaction chamber; the spraying cavity is provided with an air inlet for external air to enter, and is communicated with the reaction cavity through an air outlet pipeline extending to the bottom of the reaction cavity; the water mist and the outside air move from the bottom of the reaction chamber to the top of the reaction chamber under the action of negative pressure to enter the exhaust mechanism; an atomizer for generating a water mist within the spray chamber.

Through setting up the air inlet that supplies the outside air to get into on the spraying cavity, in outside air admission spraying cavity, can fuse mutually with the water smoke that produces through the atomizer in the spraying cavity to adsorb virus, dust in the air, in order to block the route that the aerosol spreads the virus. And introducing the air and the water mist fused in the spraying chamber into the bottom end of the reaction chamber, and moving the fused air and water mist from the bottom end of the reaction chamber to the upper end of the reaction chamber under the action of negative pressure. In the flowing process, the volume of the reaction space of the air and the water mist in the reaction chamber and the reaction time are effectively increased. After the full reaction, the fully reacted air and water mist enter an exhaust mechanism at the top of the reaction chamber to realize water-gas separation and exhaust. Above-mentioned structure sets up and makes air and water smoke fully react in the spraying cavity to solve its water smoke that produces of current water smoke air purifier and can't fully react with the harmful substance in the air, lead to the poor problem of purifying effect.

2. The air purifier provided by the invention, the exhaust mechanism comprises: the air supply mechanism is arranged at the upper end of the reaction chamber and communicated with the reaction chamber, and the flow guide sleeve is sleeved outside the reaction chamber; the guide sleeve and the reaction chamber are enclosed into a centrifugal cavity for the mist mixed medium in the reaction chamber to flow out.

A centrifugal cavity is formed by the surrounding of the flow guide sleeve and the reaction cavity, and then a rotary airflow is generated in the centrifugal cavity by the air supply mechanism. The rotating airflow can effectively carry out centrifugal treatment on the gas-liquid mixed medium passing through the reaction chamber, so that liquid drops in the gas-liquid mixed medium are separated from air to play a role in water-gas separation. In addition, in the process of separating water from gas through the centrifugal mode, the centrifugal cavity also realizes the effect of purifying particles, harmful substances and the like which are not adsorbed by the water drop reaction in the air through the centrifugal effect. In addition, the power consumption of the air supply mechanism is low, and the energy consumption of the air purifier is effectively reduced.

3. The air purifier provided by the invention, the exhaust mechanism further comprises: an electrostatic defogging mechanism; the electrostatic demisting mechanism is communicated with the centrifugal cavity.

The electrostatic defogging mechanism has excellent adsorption effect. Moreover, above-mentioned electrostatic defogging mechanism still links to each other with the controller communication to control electrostatic defogging mechanism and open and stop and work efficiency, thereby make air purifier's electrostatic defogging mechanism can be at low-power work or stop work, make this air purifier can also realize the function of air humidifying.

In addition, above-mentioned electrostatic defogging mechanism is when playing further dehumidification function, and this electrostatic defogging mechanism can also play electrostatic precipitator's function and still get rid of the further of remaining unreacted adsorbed particulate matter and harmful substance etc. simultaneously promptly to let air purifier realize the air purification function more effectively. The air purifier can simultaneously realize water mist dust removal, cyclone dust removal and electrostatic dust removal through the electrostatic demisting mechanism and the centrifugal cavity with the air supply mechanism, thereby effectively ensuring the purification effect of the air purifier.

4. According to the air purifier provided by the invention, the flow guide sleeve and the purifier outer shell are enclosed into a communicating cavity which is respectively communicated with the centrifugal cavity and the inlet of the electrostatic demisting mechanism.

Through the communicating cavity enclosed by the flow guide sleeve and the purifier outer shell, the separated gas-liquid mixed medium discharged from the reaction chamber can finally flow to the gas outlet along a U-shaped channel. Above-mentioned setting can make full use of air purifier's inner space, makes gas-liquid mixture medium walking a longer distance and has certain centrifugal action simultaneously to guarantee better aqueous vapor separation effect, in order to improve air purification effect.

5. According to the air purifier provided by the invention, the electrostatic defogging mechanism is arranged at the air outlet; the centrifugal cavity is communicated with the disinfection water tank through a sewage guide pipe. Furthermore, the bottoms of the centrifugal cavity and the communicating cavity are communicated with the disinfection water tank through the sewage conduit.

In the invention, the water which is separated from the centrifugal cavity and is attached with particles and viruses can be effectively discharged into the disinfection water tank for disinfection treatment through the sewage water guide pipe. Moreover, as the electrostatic demisting mechanism is communicated with the communicating cavity, the sewage discharged by the electrostatic demisting mechanism can be effectively transferred to the disinfection water tank for disinfection treatment through the communicating cavity through the sewage conduit.

6. The air purifier provided by the invention is characterized in that a partition plate which extends along the length direction of the centrifugal cavity and is used for partitioning the centrifugal cavity into spiral channels is arranged in the centrifugal cavity.

The separation plate can effectively separate the centrifugal cavity into a plurality of spiral channels, so that the water-vapor mixed medium entering the centrifugal cavity can spirally advance under the action of centrifugal force in the centrifugal cavity, and the sufficient centrifugal force generated in the centrifugal cavity is ensured to finish gas-liquid separation.

7. The invention provides an air purifier, wherein a plurality of partition plates are arranged; and the partition plate is an inclined partition plate, one end of the inclined partition plate extends to the bottom of the diversion sleeve, and the other end of the inclined partition plate extends to the top of the diversion sleeve.

The centrifugal chamber can be effectively divided into a plurality of mutually independent spiral channels by the arrangement mode, the spiral channels can flow into the spiral channels under the pushing action of the air supply mechanism, and the water-vapor separation effect of the centrifugal chamber can be effectively improved through the mutually independent spiral channels.

8. According to the air purifier provided by the invention, the cross section of the air outlet pipeline facing one side of the spraying chamber is larger than that of the air outlet pipeline facing one side of the reaction chamber.

Through the variable-diameter air outlet pipeline, the flow velocity of the air and water mist mixed gas entering the reaction chamber from the spray chamber can be effectively increased, so that the air and water mist mixed gas can move to the top of the reaction chamber from the bottom of the reaction chamber, and the air and the water mist are fully mixed.

9. The atomizer is an ultrasonic atomizer, and an atomizer water tank for accommodating the ultrasonic atomizer is arranged opposite to the air outlet pipeline, so that water drops in the air outlet pipeline flow into the atomizer water tank. And an annular guide plate which is opposite to the atomizer water tank is also arranged in the spraying cavity.

In the invention, the air outlet pipeline and the atomizer water tank are arranged oppositely, and the annular guide plate is arranged, so that large liquid drops falling in the air outlet pipeline can be effectively drained into the atomizer water tank again, and the condition that the liquefied large liquid drops in the air outlet pipeline cannot flow out of the air purifier through the air inlet is ensured.

10. According to the air purifier provided by the invention, the sterilizing water tank is used for accommodating the antibacterial filter cotton and the antibacterial ceramic purifying material. The sterilizing water tank can reduce the use cost of the air purifier by using the antibacterial filter cotton and the antibacterial ceramic purifying material.

11. According to the air purifier provided by the invention, the air inlet is also provided with the filter screen for filtering air entering the air purifier.

Can carry out the coarse filtration to the air that gets into air purifier through above-mentioned filter screen, block hair, big particulate matter etc.. The air purifier provided by the invention can simultaneously realize filter screen dust removal, water mist dust removal, cyclone dust removal and electrostatic dust removal, and the four dust removal modes act together so as to effectively ensure the purification effect of the air purifier.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of an internal structure of an air cleaner according to the present invention;

FIG. 2 is a schematic view of the internal structure of the flow sleeve according to the present invention;

fig. 3 is a schematic perspective view of a flow guide sleeve according to the present invention.

Description of reference numerals:

1-a reaction chamber; 2-an exhaust mechanism; 3-a spray chamber; 4-gas outlet pipeline; 5-an air inlet; 6-an air supply mechanism; 7-a flow guide sleeve; 8-centrifugal chamber; 9-an electrostatic defogging mechanism; 10-purifier outer shell; 11-a communicating chamber; 12-a disinfection water tank; 13-a partition plate; 14-an atomizer; 15-atomizer water tank; 16-an annular deflector; 17-a water storage tank.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

An air purifier, as shown in fig. 1, comprising:

the reaction chamber 1 is arranged along the vertical direction and is a cavity for reacting water mist with air;

the exhaust mechanism 2 is arranged above the reaction chamber 1, and an air outlet of the exhaust mechanism 2 is positioned at the upper end of the reaction chamber 1 and used for exhausting the filtered air; the exhaust mechanism 2 in the present embodiment includes: the air supply mechanism 6 is arranged at the upper end of the reaction chamber 1 and is communicated with the reaction chamber 1, the flow guide sleeve 7 is sleeved outside the reaction chamber 1, and the electrostatic demisting mechanism 9 is arranged at the position of the air outlet; as shown in fig. 2 and 3, the flow guide sleeve 7 and the reaction chamber 1 both enclose a centrifugal cavity 8 for the outflow of the mist-gas mixture medium in the reaction chamber 1. The electrostatic demisting mechanism 9 is communicated with the centrifugal cavity 8; in addition, the flow guide sleeve 7 and the purifier outer shell 10 enclose a communicating cavity 11 which is respectively communicated with the centrifugal cavity 8 and the inlet of the electrostatic demisting mechanism 9. A centrifugal cavity 8 is enclosed by the guide sleeve 7 and the reaction chamber 1, and a rotary airflow is generated in the centrifugal cavity 8 by the air supply mechanism 6. The rotating airflow can effectively perform centrifugal treatment on the gas-liquid mixed medium passing through the reaction chamber 1, so that liquid drops in the gas-liquid mixed medium are separated from air to perform a water-gas separation function. In addition, in the process of separating water from gas by the centrifugal mode, cyclone dust removal is realized in the centrifugal cavity 8; the air supply mechanism 6 can enable the air entering the reaction chamber 1 to enter the centrifugal cavity 8 after passing through the air supply mechanism 6, so that the air flow flows up and down in the air purifier and flows through a U-shaped channel;

a spray chamber 3 disposed below the reaction chamber 1; an air inlet 5 for external air to enter is formed in the spraying chamber 3, and the spraying chamber 3 is communicated with the reaction chamber 1 through an air outlet pipeline 4 extending to the bottom of the reaction chamber 1; the water mist and the outside air move from the bottom of the reaction chamber 1 to the top of the reaction chamber 1 under the action of negative pressure to enter the exhaust mechanism 2; the air inlet 5 for the external air to enter is arranged on the spraying chamber 3, and the external air enters the spraying chamber 3 and can be fused with the water mist generated by the atomizer 14 in the spraying chamber 3, so that the viruses, dust and the like in the air are adsorbed, and the way of spreading the viruses by the aerosol is blocked; the air outlet pipeline 4 is a reducing pipeline, the cross section of which facing one side of the spraying chamber 3 is larger than that of which facing one side of the reaction chamber 1, and the flow velocity of the air and water mist mixed gas entering the reaction chamber 1 from the spraying chamber 3 can be effectively increased through the reducing air outlet pipeline, so that the air and water mist mixed gas can move from the bottom of the reaction chamber 1 to the top of the reaction chamber and can be fully mixed with the air and the water mist;

an atomizer 14 for generating a water mist within the spray chamber 3;

and the sterilizing water tank 12 is used for containing antibacterial filter cotton and antibacterial ceramic purifying materials. The centrifugal cavity 8 and the bottom of the communicating cavity 11 are communicated with the disinfection water tank 12 through a sewage conduit. Through the sewage water guide pipe, water which is separated from the centrifugal cavity 8 and is attached with particles and viruses can be discharged into the disinfection water tank 12 for disinfection treatment. Moreover, because the electrostatic demisting mechanism 9 is communicated with the communicating cavity 11, the sewage discharged by the electrostatic demisting mechanism 9 can be effectively transferred to the disinfection water tank 12 for disinfection treatment through the communicating cavity 11 by the sewage conduit.

In the present embodiment, as shown in fig. 2 and 3, the flow guide sleeve 7 is a barrel-shaped structure with one end open and the other end closed, and one end of the flow guide sleeve 7 facing the atomizer 14 is an open end. The centrifugal chamber 8 is provided with a partition plate 13 extending along the length direction thereof for dividing the centrifugal chamber 8 into spiral passages. A plurality of the partition plates 13; and the partition plate 13 is an inclined partition plate with one end extending to the bottom of the flow guide sleeve 7 and the other end extending to the top of the flow guide sleeve 7.

In this embodiment, the atomizer 14 is an ultrasonic atomizer, and is configured to accommodate the atomizer water tank 15 of the ultrasonic atomizer and the air outlet pipeline 4 are disposed opposite to each other, so that water drops in the air outlet pipeline 4 flow into the atomizer water tank 15. An annular guide plate 16 arranged opposite to the atomizer water tank 15 is also arranged in the spraying chamber 3.

Of course, the application of the present invention does not specifically limit whether the flow guide sleeve 7 is provided, and in other embodiments, the air purifier does not perform water and dust removal in a centrifugal manner, and the water and vapor separation is directly realized by the electrostatic defogging mechanism 9.

Of course, the application of the present invention does not specifically limit the position where the electrostatic defogging mechanism 9 is disposed, and in other embodiments, the electrostatic defogging mechanism 9 is disposed on the extending path of the communication chamber 11.

Of course, the present application does not specifically limit the arrangement of the sewage conduits, and in other embodiments, the centrifugal cavity 8 and the communicating cavity 11 are respectively communicated with the disinfection water tank 12 through two sewage conduits.

Of course, the structure of the flow guide sleeve 7 is not specifically limited in the present application, and in other embodiments, the flow guide sleeve 7 is a barrel-shaped structure with both upper and lower ends open, and a cover plate is disposed at the upper end of the flow guide sleeve 7, so that the gas entering the reaction chamber 1 enters the centrifugal cavity 8 after passing through the blowing mechanism 6.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. An air purifier, comprising:

the reaction chamber (1) is arranged along the vertical direction and is used for enabling the water mist to react with air;

the exhaust mechanism (2) is arranged above the reaction chamber (1), and an air outlet of the exhaust mechanism (2) is positioned at the upper end of the reaction chamber (1) and used for exhausting the filtered air;

a spray chamber (3) disposed below the reaction chamber (1); an air inlet (5) for external air to enter is formed in the spraying cavity (3), and the spraying cavity (3) is communicated with the reaction cavity (1) through an air outlet pipeline (4) extending to the bottom of the reaction cavity (1); the water mist and the outside air move from the bottom of the reaction chamber (1) to the top of the reaction chamber (1) under the action of negative pressure to enter the exhaust mechanism (2);

an atomizer (14) for generating a water mist within the spray chamber (3).

2. The air cleaner according to claim 1, wherein the exhaust mechanism (2) comprises: the air supply mechanism (6) is arranged at the upper end of the reaction chamber (1) and communicated with the reaction chamber (1), and the flow guide sleeve (7) is sleeved outside the reaction chamber (1); the guide sleeve (7) and the reaction chamber (1) enclose a centrifugal cavity (8) for the mist mixed medium in the reaction chamber (1) to flow out.

3. The air cleaner according to claim 2, wherein the exhaust mechanism (2) further comprises: an electrostatic defogging mechanism (9); the electrostatic demisting mechanism (9) is communicated with the centrifugal cavity (8).

4. The air cleaner according to claim 3, wherein the flow guiding sleeve (7) and the cleaner housing (10) both enclose a communication chamber (11) communicating with the centrifugal chamber (8) and the inlet of the electrostatic mist elimination mechanism (9), respectively.

5. The air purifier of claim 4,

the electrostatic demisting mechanism (9) is arranged at the position of the air outlet; and/or the presence of a gas in the gas,

the centrifugal cavity (8) is communicated with a disinfection water tank (12) through a sewage conduit.

6. Air cleaner according to any of claims 2-5, characterized in that a partition plate (13) is arranged in the centrifugal chamber (8) extending along its length for dividing the centrifugal chamber (8) into spiral passages.

7. The air cleaner according to claim 6, wherein the partition plate (13) is plural; and the partition plate (13) is an inclined partition plate, one end of the inclined partition plate extends to the bottom of the flow guide sleeve (7), and the other end of the inclined partition plate extends to the top of the flow guide sleeve (7).

8. The air purifier according to claim 1, wherein the outlet pipe (4) is a variable diameter pipe having a larger cross section towards the side of the spray chamber (3) than towards the side of the reaction chamber (1).

9. The air purifier according to claim 1, wherein the atomizer (14) is an ultrasonic atomizer, and an atomizer water tank (15) for accommodating the ultrasonic atomizer is disposed opposite to the air outlet pipeline (4) so as to allow water droplets in the air outlet pipeline (4) to flow into the atomizer water tank (15).

10. The air cleaner according to claim 9, characterized in that an annular deflector (16) is further arranged in the spray chamber (3) opposite the atomizer water tank (15).

11. The air purifier according to claim 5, wherein the sterilizing water tank (12) is for containing antibacterial filter cotton and antibacterial ceramic purifying material.

12. The air purifier according to claim 5, characterized in that the centrifugal cavity (8) and the bottom of the communicating cavity (11) are communicated with the sterilizing water tank (12) through a sewage conduit.

13. The air cleaner according to claim 2, wherein the flow guide sleeve (7) is a barrel structure with one end open and the other end closed, and the end of the flow guide sleeve (7) facing the atomizer (14) is open.

14. An air cleaner according to claim 1, characterized in that the air inlet (5) is also provided with a filter screen for filtering air entering the air cleaner.