WO2019231218A1

WO2019231218A1 - Impeller-type air purifier

Info

Publication number: WO2019231218A1
Application number: PCT/KR2019/006397
Authority: WO
Inventors: 박상언; 파킨슨 이삭스게리
Original assignee: (주)에너스
Priority date: 2018-05-29
Filing date: 2019-05-28
Publication date: 2019-12-05
Also published as: KR20190135937A; KR102080220B9; KR102080220B1

Abstract

The present invention relates to an impeller-type air purifier. An impeller-type air purifier, according to one aspect of the present invention, is configured to pressurize by an impeller a mixture of droplets of a cleaning liquid and a particle-containing gas, enable the mixture to collide with a plurality of collision anvil parts so as to divide the cleaning liquid into smaller droplets, and generate a Venturi effect by means of the slope structure of the collision anvil parts, thereby improving the effect of particle wet removal.

Description

Impeller type air purifier

The present invention relates to an impeller-type air purifying apparatus, which presses a mixture of cleaning liquid droplets and particle-containing gas with an impeller and impinges on a plurality of collision anvils formed inside the impeller housing to divide the cleaning liquid into smaller droplets and impinge on the impact anvil portion. An impeller-type air purifier configured to generate a venturi effect by an inclined surface structure and to improve the wet removal effect of particles.

Various purifiers have been proposed to remove particles contained in gases such as air. For example, a filter method, a wet method, an electrostatic integration method and the like have been proposed.

U.S. Patent No. 6,905,537 (registered on Jun. 14, 2005) proposed by the inventors uses an impingement plate to reduce the droplet size of the cleaning liquid, and the collision of the cleaning liquid droplets with the particles to increase the wetting of the particles. An air purifier using a less restricted multistage low pressure region has been proposed.

Korean Patent No. 10-0710689 (registered on April 17, 2007) proposed by the present inventors has a plurality of housing ridges formed in the housing of the impeller, and the housing ridges are formed close to the ends of the impeller wings so that the wings rotate. Accordingly, an air purifier is proposed in which a space between the housing ridge and the wing tip serves as a venturi passage to form a low pressure region.

The above-described wet cleaning method is advantageous in that the surface area of the cleaning liquid droplets is increased as the size of the cleaning liquid droplets is made smaller, so that the particles are wetted and removed. Therefore, the more likely the collision of the cleaning liquid droplets occurs, the better it is for the wetting of the particles.

In addition, the wet cleaning is advantageous to wet and remove the particles as the mixing of the cleaning liquid droplets and the particle-containing gas is performed well. Therefore, as the low pressure region increases, which is advantageous for the mixing of the cleaning liquid droplets and the particle-containing gas, it is advantageous for removing the wetting of particles.

Therefore, in view of the characteristics of this wet method, an improvement is needed to further improve the cleaning effect.

The present invention has been made in view of the above problems, and pressurizes the mixture of the cleaning liquid droplets and the particle-containing gas with an impeller and impinges on a plurality of collision anvils formed inside the impeller housing to divide the cleaning liquid into smaller droplets and impinge on them. An object of the present invention is to provide an impeller-type air purifying apparatus configured to generate a venturi effect by the inclined surface structure of an anvil part and to improve the wet removal effect of particles.

According to an aspect of the present invention for achieving the above object, an impeller having a plurality of radial wings; An impeller housing accommodating the impeller and configured to allow a mixture of a cleaning liquid droplet and a particle-containing gas to flow into the central part of the impeller, pressurized by the impeller, and discharged to an outlet formed at one side; And a plurality of collision anvils provided on an inner circumferential side of the impeller housing, wherein the mixture discharged to the outside of the impeller collides when the impeller is rotated so that the droplets of the cleaning liquid are divided into smaller droplets. The impingement part is formed so as to extend from the inner circumferential side of the impeller housing to the impeller side from the inner circumferential side of the impeller housing along the rotational direction of the impeller, and is formed to extend from the end of the first inclined surface and to approach the inner circumferential side of the impeller housing from the impeller side. Disclosed is an impeller-type air purifying apparatus including a second inclined surface formed to have a more steep inclination angle than the first inclined surface, wherein an end portion of the first inclined surface and an outer circumference of the impeller form a venturi passage.

Preferably, in the present invention, the mixture discharged to the outside of the impeller during the rotation of the impeller collides with the first inclined surface, the droplets of the cleaning liquid is further divided, venturi formed by the end of the first inclined surface and the outer peripheral portion of the impeller The particles contained in the particle-containing gas are wetted by the cleaning liquid droplets while passing through the passage, and the wetted particles are blended while passing through a blending space formed by the second inclined surface and the outer periphery of the impeller.

Preferably, in the present invention, the first inclined surface of another collision anvil is positioned in contact with an end portion of the second inclined surface of one of the collision anvils along the rotational direction of the impeller.

Preferably, each of the collision anvils is configured such that one point is fixed to each side of the impeller housing through each hinge axis and is rotatable about the hinge axis, and the venturi passage has an end portion of the first inclined surface of the impeller. It is narrowed by the 1st rotation close to an outer peripheral part, and it is comprised so that the edge part of the said 1st inclined surface may be widened by the 2nd rotation away from the outer peripheral part of the said impeller.

Preferably, in the present invention, the starting point of the first inclined surface of each of the collision anvils is fixed to the impeller housing side through the hinge axis.

Preferably, the present invention includes a rotational force providing means for rotating the respective collision anvils to the first rotation or the second rotation.

Preferably, the rotational force providing means for rotating the collision anvil is the cam mechanism, and the cam mechanism is configured to press the outer surface of the collision anvil to provide the rotation force in the first rotation direction.

Preferably, the cam mechanism is a cam shaft disposed in parallel with the hinge axis of the collision anvil, and is fixed to the cam axis and rotatable about the cam axis, and pressurizes an outer surface of the collision anvil to first rotate it. And a cam for providing rotational force in the direction.

Preferably, the rotational force providing means for second pivoting the impact anvil is a spring, the spring, one side is coupled to the outer surface of the impact anvil and the other side is coupled to the impeller housing to elastically deform at the first rotation And the resilient energy based on the elastic energy to rotate the collision anvil in a second rotational direction when the state in which the cam mechanism presses the outer surface of the impact anvil is eliminated. .

Preferably, the rotational force providing means for rotating the collision anvil to the first rotation or the second rotation is a screw mechanism, and the screw mechanism presses an outer surface of the collision anvil according to a screw rotation direction to rotate in the first rotation direction. It is configured to provide power, or to pull the outer surface of the impact anvil to provide the rotational force in the second rotational direction.

Preferably, the screw mechanism is installed so as to pass through the impeller housing in a state that is screwed to the nut and the nut fixed to the impeller housing to face the outer side of the impact anvil portion and to the impeller housing according to the rotation operation direction And a ball joint which connects an adjustment bolt having a varying depth of penetration and an outside of the collision anvil and an end of the adjustment bolt.

Preferably, each of the collision anvils is fixedly coupled to each hinge shaft integrally, and a rotation force providing means for rotating the collision anvils in the first or second rotation is a lever mechanism for rotating the hinge shaft, the lever The mechanism is configured to apply a rotational torque to the hinge shaft to provide the rotational force in the first rotational direction or the second rotational direction.

Preferably, the lever mechanism is installed in the impeller housing, the impeller is located on the center of the front portion, the circular frame plate each impingement is arranged in a ring shape along the outer side of the impeller; A ring-shaped frame plate positioned outside the circular frame plate and configured to allow relative rotation with the circular frame plate; Respective hinge shafts which are respectively installed to penetrate one point of each impact anvil and the circular frame plate, and fix each impact anvil to the front side of the circular frame plate to be rotatable; Each lever pin installed at a rear side of the ring-shaped frame plate and installed at a position corresponding to each hinge axis; A plurality of lever members installed on a rear side of the circular frame plate and provided with pressing means for fixing the hinge shaft at one end thereof and providing pressing force between the lever pin and the other end; And an operation lever fixed to one of the hinge shafts.

Preferably, the pressing means of the lever member is a through hole configured to allow the lever pin to be inserted and to rotate relatively.

The present invention pressurizes the mixture of the cleaning liquid droplets and the particle-containing gas with an impeller and impinges on a plurality of collision anvils formed inside the impeller housing to divide the cleaning liquid into smaller droplets, and the venturi effect by the inclined surface structure of the collision anvil portion. By generating the, there is an advantage to improve the wet removal effect of the particles.

1 is a schematic cross-sectional view of an impeller air purifier according to an embodiment of the present invention;

2 is a schematic side view of an impeller type air purifying apparatus according to an embodiment of the present invention;

Figure 3 is a schematic cross-sectional view of the impeller air purifier according to another embodiment of the present invention,

Figure 4 is a schematic cross-sectional view of an impeller type air purifying apparatus according to another embodiment of the present invention,

5 is a schematic cross-sectional view of an impeller type air purifying device according to another embodiment of the present invention;

6 is a schematic cross-sectional view of an impeller air purifier according to another embodiment of the present invention;

Figure 7 is a rear schematic view of the inside of the impeller air purifier according to another embodiment of the present invention,

Figure 8 is a schematic perspective view of the interior of the impeller air purifier according to another embodiment of the present invention,

9 is an exploded perspective view of an impeller type air purifying apparatus according to another embodiment of the present invention;

10 is an exploded perspective view of another direction of the impeller type air purifying device according to another embodiment of the present invention.

The present invention can be embodied in many other forms without departing from the spirit or main features thereof. Therefore, the embodiments of the present invention are merely examples in all respects and should not be interpreted limitedly.

The terms first, second, etc. are used only for the purpose of distinguishing one component from other components. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

When a component is said to be "connected" or "connected" to another component, it may be directly connected or connected to that other component, but there may be other components in between.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In the present application, the terms "comprise", "comprise", "have" and the like are intended to express the presence of a component described in the specification or a combination thereof, and indicate the possibility that another component or feature is present or added. It is not excluded in advance.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic cross-sectional view of an impeller-type air purifier according to an embodiment of the present invention, and FIG. 2 is a side schematic view of an impeller-type air purifier according to an embodiment of the present invention.

The impeller-type air purifying apparatus of the present embodiment includes an impeller 2, an impeller housing 10, and a plurality of impact anvils 20, by mixing the particles contained in the gas containing particles with the droplets of the cleaning liquid and moistening them to discharge them. Allow wet removal to take place.

The impeller 2 has a plurality of radial vanes 2b. The impeller 2 is rotationally driven by the motor 13. The symbol R represents the rotational direction of the impeller, and the symbol A represents the rotation axis of the impeller.

The impeller housing 10 accommodates the impeller 2 therein, and a mixture of the cleaning liquid droplet and the particle-containing gas flows into the central portion 2a of the impeller 2 and is pressurized by the impeller 2 and formed at one side of the discharge port. It is configured to discharge to 12.

Referring to FIG. 2, the particle-containing gas is introduced into the suction pipe 15 by the negative pressure according to the rotation of the impeller 2 (flow I1 in FIG. 2), the cleaning liquid 5 or the cleaning liquid 5 and the oil 6. Is introduced through the orifice 7 into the suction pipe 15 of the air purifier and into the impeller 2 (flows I2 and I3 in FIG. 2).

A plurality of collision anvils 20 are provided on the inner circumferential side of the impeller housing 10, the mixture discharged to the outside of the impeller 2 during the rotation of the impeller 2 collides, the droplets of the cleaning liquid is smaller To be split into two.

Each of the collision anvils 20 includes a first inclined surface 22 formed to approach the impeller 2 side from the inner circumferential side of the impeller housing 10 along the rotation direction R of the impeller 2, A second portion extending from an end portion 26 of the first inclined surface 22 and formed to approach an inner circumferential side of the impeller housing 10 from an impeller 2 side and having a more steep inclination angle than the first inclined surface 22; An inclined surface 24.

The impeller-type air purifying device of the present embodiment is connected to an end of the second inclined surface 24 of one impacting anvil 20 along the rotational direction of the impeller 2 and another impact anvil 20. Is the first inclined surface 22. In this embodiment, a total of seven collision anvils 20 are installed in contact with the inner circumferential side of the impeller housing 10. The number of collision anvils 20 can be changed according to design conditions.

When the impeller 2 is rotated, the mixture discharged to the outside of the impeller 2 impinges on the first inclined surface 22 so that the droplet of the cleaning liquid is divided into smaller portions, and the end 26 of the first inclined surface 22 is formed. And particles contained in the particle-containing gas are wetted by the cleaning liquid droplets while passing through the venturi passage 32 formed by the outer periphery 2c of the impeller 2, and the second inclined surface 24 and the impeller The wetted particles are configured to blend while passing through the blending space 34 formed by the outer peripheral portion 2c of (2).

In more detail, since the first inclined surface 22 has a relatively gradual inclined angle and is formed relatively long, the first inclined surface 22 is formed at a high speed and low pressure in a state of gradually mixing the mixture of the cleaning liquid droplet and the particle-containing gas that has reached or collided with the first inclined surface 22. To guide. In addition, the first inclined surface 22 creates a favorable condition for the mixture discharged to the outside of the impeller 2 to collide with each other so that the cleaning liquid droplets are divided into smaller pieces and wetted.

The venturi passage 32 formed by the end 26 of the first inclined surface 22 and the outer circumferential portion 2c of the impeller 2 is a portion where the state of the high speed low pressure is maximized, and the particle-containing gas is formed by the low pressure state. It provides an environment in which the particles contained in are advantageous to be wetted by the cleaning liquid droplets.

The second inclined surface 24 provides an environment in which the particles wetted by the cleaning liquid droplets while being passed through the venturi passage 32 are guided to a sudden low speed state to be blended. Such blending can be understood as blending a colloidal mixture.

The process proceeds in the first impact anvil 20-1 having the lowest pressure in the impeller housing 10 adjacent the outlet 12 (flow F1 in FIG. 1), where the wetted particles are impregnated with the impeller. A plurality of collision anvils 20-1, 20-2, ..., until it flows in the tangential direction along the rotational direction R of (2) (flow F2 in FIG. 1) and is discharged through the discharge port 12. 20-6,20-7). By repeating the above process, the size of the cleaning liquid droplets gradually decreases, and the number and surface area of the cleaning liquid droplets increase exponentially to increase the wetting effect of the particles.

Figure 3 is a schematic cross-sectional view of the impeller-type air purifier according to another embodiment of the present invention, Figure 4 is a schematic cross-sectional view of the impeller-type air purifier according to another embodiment of the present invention.

In this embodiment, each of the impact anvil 120 is fixed to the impeller housing 10 side through each hinge axis 155 is configured to be rotatable around the hinge axis 155 do. Reference numeral 121 denotes a hinge portion of the collision anvil 120 into which the hinge shaft 155 is inserted and coupled.

Preferably, the starting point 121 of the first inclined surface 122 of each impact anvil 120 is fixed to the impeller housing 10 side through the hinge shaft 155.

In addition, the venturi passage 32 is narrowed by a first rotation r1 in which an end portion 126 of the first inclined surface 122 approaches the outer peripheral portion 2c of the impeller 2, and the first inclined surface The end portion 126 of the 122 is configured to be widened by the second rotation r2 away from the outer circumferential portion 2c of the impeller 2.

Since the first rotation r1 narrows the venturi passage 32, the low pressure state is further increased to provide a more favorable environment for the particles contained in the particle-containing gas to be wetted by the cleaning liquid droplets.

The second rotation r2 widens the venturi passage 32 and thus lowers the venturi effect, but provides an advantageous environment for purifying the particle-containing gas under conditions with a large gas flow rate per hour.

Therefore, the venturi passage 32 can be set by the first rotation r1 or the second rotation r2 in consideration of the required air purification conditions or flow rate conditions.

The impeller-type air purifying apparatus of this embodiment is configured to include a rotation force providing means for causing each of the collision anvils 20 to be rotated by the first rotation r1 or the second rotation r2.

For example, the rotation force providing means may be a cam mechanism for causing the collision anvil 120 to the first rotation r1.

The cam mechanism is configured to press the outer surface of the collision anvil 120 to provide a rotational force in the first rotation r1 direction.

As shown in FIG. 3, the cam mechanism includes a cam shaft 152 disposed in parallel with the hinge shaft 155 of the collision anvil 120, and the cam shaft 152 fixed to the cam shaft 152. Rotatable around, and comprises a cam 150 for pressing the outer surface of the collision anvil 120 to provide a rotational force in the first rotation (r1) direction.

Rotation of the cam 150 may be performed by rotating the cam shaft 152 integrally coupled with the cam 150 by using a rotation bolt or a rotation handle connected to the exterior of the impeller housing 10. For example, the cam shafts 152 may be rotated individually, respectively, and as another example, the cam shafts 152 may be configured to collectively rotate the plurality of cam shafts 152 through separate mechanical configurations.

When the restoration means such as the spring 402 of FIG. 4 is provided, the second rotation r2 may be performed by the rotation angle of the cam 150 and the restoration force of the restoration means.

To this end, a spring 402 is provided as a rotational force providing means for rotating the collision anvil 120 to the second rotation r2.

In one example, the spring 402, one side is coupled to the outer surface of the impact anvil 120, the other side is coupled to the impeller housing 10, the elastic energy by elastic deformation during the first rotation (r1) Save it.

In addition, when the state in which the cam mechanism presses the outer surface of the collision anvil 120 is eliminated, the spring 402 rotates the collision anvil 120 in a second rotation r2 direction. To provide a restoring force based on the elastic energy.

5 is a schematic cross-sectional view of an impeller type air purifying apparatus according to another embodiment of the present invention.

As another example, as shown in FIG. 5, the rotation force providing means for causing the collision anvil 120 to the first rotation r1 or the second rotation r2 may be a screw mechanism.

The screw mechanism pressurizes the outer surface of the collision anvil 120 according to a screw rotation direction to provide a turning force in a direction of the first rotation r1, or by pulling the outer surface of the collision anvil 120. It is configured to provide a turning force in the two rotations r2 direction.

In more detail, the screw mechanism penetrates through the impeller housing 10 in a state where the nut 302 is fixed to the impeller housing 10 and the nut 302 is screwed to the impingement housing 120. The control bolt 304 is installed to face the outer side of the) and the penetration depth of the impeller housing 10 is changed according to the rotation operation direction, and the outside of the collision anvil 120 and the end of the adjustment bolt 304 are disposed. It comprises a ball joint (304a, 306) for connecting. The penetration depth of the adjustment bolt 304 can vary in either the d1 or d2 direction.

Since the

ball joints

304a and 306 are coupled in a form in which the cover element 306 is wrapped around the spherical ball 304a, the penetration depth is changed by the rotation operation of the adjustment bolt 304 so that the outside of the impact anvil 120 is provided. Even if the engagement angle of the adjustment bolt 304 and the coupling state is maintained smoothly.

For example, the outside of the collision anvil 120 may be pushed or pulled according to the rotation manipulation direction of the adjustment bolt 304.

Figure 6 is a schematic cross-sectional view of the impeller-type air purifier according to another embodiment of the present invention, Figure 7 is a schematic rear view of the inside of the impeller-type air purifier according to another embodiment of the present invention, Figure 8 Schematic of the perspective view of the interior of the impeller-type air purifier according to another embodiment of the present invention, Figure 9 is an exploded perspective view of the impeller-type air purifier according to another embodiment of the present invention, Figure 10 is another embodiment of the present invention An exploded perspective view of still another direction of the impeller type air purifying device according to another embodiment.

As another example, as shown in FIGS. 6 to 10, a rotation force providing means for rotating the collision anvil 120 to the first rotation r1 or the second rotation r2 may rotate the hinge shaft 155. It may be a lever mechanism.

To this end, each of the impact anvil 120 is fixedly coupled to each of the hinge shaft 155, the lever mechanism is applied to the hinge shaft 155 for the rotational torque to rotate the first rotation (r1) Or to provide the rotational force in the second rotation r2 direction.

In more detail, the lever mechanism is installed inside the impeller housing 10 and the impeller 2 is positioned at the front side center side, and each impact anvil 120 is ringed along the outer side of the impeller 2. It includes a circular frame plate 10 'disposed in the shape.

In addition, the lever mechanism includes a ring-shaped frame plate 25 which is located outside the circular frame plate 10 'and configured to allow relative rotation with the circular frame plate 10'.

In addition, the lever mechanism is provided so as to penetrate one point of each collision anvil 120 and the circular frame plate 10 ', respectively, and each collision anvil 120 is a circular frame plate 10'. Each hinge shaft 155 is fixed to the front side of the rotatable.

In addition, the lever mechanism includes a respective lever pin 163 is installed on the rear side of the ring-shaped frame plate 25 and installed at a position corresponding to each hinge shaft 155.

In addition, the lever mechanism is installed on the rear side of the circular frame plate 10 ', the hinge shaft 155 is fixed at one end and can provide the pressing force between the lever pin 163 and the other end at the other end. It includes a plurality of lever member 160 is provided with a pressing means.

Preferably, the pressing means of the lever member 160 may be a through hole 165 in which the lever pin 163 is inserted and configured to allow relative rotation.

In addition, the lever mechanism includes an operation lever 170 fixed to one of the hinge shafts 155.

For example, when the operation lever 170 is rotated in the r5 direction, the hinge shaft 155 fixed to the operation lever 170 rotates in the r1 direction. Then, the lever member 160 fixed to the hinge shaft 155 rotates around the hinge shaft 155 in the r1 direction.

When the lever member 160 rotates in the r1 direction, the lever pin 163 engaged with the through-hole 165 of the lever member 160 in an inserting form revolves around the hinge shaft 155 in the r1 direction. .

When the lever pin 163 revolves in the r1 direction, the ring-shaped frame plate 25 on which the lever pin 163 is installed rotates in the R1 direction about the point A, and another lever pin installed on the ring-shaped frame plate 25. (163) all orbit together around point A.

When the lever pins 163 all revolve around a point A, the 165b points of the through holes 165 of the respective lever members 160 engaged with the respective lever pins 163 in an insertion form are subjected to pressing force and the The hinge shafts 155 fixed to the lever members 160 are rotated in the r1 direction based on the pressing force.

Through this process, when the manipulation lever 170 is rotated in the r5 direction, the respective hinge shafts 155 rotate in the r1 direction, and the collision anvils 120 fixed to the respective hinge shafts 155 also rotate. It rotates in the r1 direction.

When the operation lever 170 is rotated in the r6 direction, the collision anvils 120 also rotate in the r2 direction as opposed to the above.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many different and obvious modifications are possible without departing from the scope of the invention from this description. Therefore, the scope of the invention should be construed by the claims described to include many such variations.

Claims

An impeller having a plurality of radial wings;

An impeller housing accommodating the impeller and configured to allow a mixture of a cleaning liquid droplet and a particle-containing gas to flow into the central part of the impeller, pressurized by the impeller, and discharged to an outlet formed at one side; And

And a plurality of collision anvils provided at an inner circumferential side of the impeller housing, wherein the mixture discharged to the outside of the impeller collides when the impeller rotates so that the cleaning liquid droplets are divided into smaller droplets.

The impingement portions of each of the first inclined surface formed to approach the impeller side from the inner circumferential side of the impeller housing along the rotational direction of the impeller, and extend from the end of the first inclined surface and proximate to the inner circumferential side of the impeller housing from the impeller side. And a second inclined surface formed to have an inclined angle more sharply than the first inclined surface, and an end portion of the first inclined surface and an outer circumferential portion of the impeller to form a venturi passage.
The method of claim 1,

The particles discharged to the outside of the impeller during the rotation of the impeller impinges on the first inclined surface and the washing liquid droplet is divided into smaller, the particles while passing through the venturi passage formed by the end of the first inclined surface and the outer peripheral portion of the impeller The impeller-type air purifier, wherein the particles contained in the gas are wetted by the cleaning liquid droplets, and the wetted particles are blended while passing through a blending space formed by the second inclined surface and the outer periphery of the impeller.
The method of claim 1,

Impeller-type air purifier, characterized in that the first inclined surface of another collision anvil is located in contact with the end of the second inclined surface of one impacting anvil along the rotational direction of the impeller.
The method of claim 1,

Each impingement anvil is fixed to one side of the impeller housing side through each hinge axis is configured to be rotatable about the hinge axis,

The venturi passage is narrowed by a first rotation in which an end of the first inclined surface is close to the outer circumference of the impeller, and an end of the first inclined surface is widened by a second rotation away from the outer circumference of the impeller. Impeller type air purifier.
The method of claim 4, wherein

Impeller-type air purifier, characterized in that the starting point of the first inclined surface of each of the impact anvil is fixed to the impeller housing side through the hinge axis.
The method of claim 4, wherein

Impeller-type air purifier, characterized in that it comprises a rotational force providing means for causing each of the impact anvil to rotate the first or second rotation.
The method of claim 6,

The rotational force providing means for rotating the collision anvil to the first is a cam mechanism,

And the cam mechanism is configured to press the outer surface of the impact anvil to provide a rotational force in a first rotational direction.
The method of claim 7, wherein

The cam mechanism,

A cam shaft disposed in parallel with the hinge axis of the impact anvil;

And a cam fixed to the cam shaft and rotatable about the cam shaft, the cam configured to press the outer surface of the collision anvil to provide a turning force in a first rotational direction.
The method of claim 7, wherein

The rotational force providing means for rotating the collision anvil is a spring,

The spring is,

One side is coupled to the outer surface of the impact anvil and the other side is coupled to the impeller housing to store the elastic energy by elastic deformation during the first rotation,

An impeller-type air purifier, configured to provide a restoring force based on the elastic energy so that when the cam mechanism presses the outer surface of the impact anvil, the impact anvil is rotated in a second rotation direction. .
The method of claim 6,

The rotational force providing means for rotating the collision anvil to the first rotation or the second rotation is a screw mechanism,

The screw mechanism is configured to press the outer surface of the impact anvil to provide a turning force in the first rotation direction, or to pull the outer surface of the impact anvil to provide a turning force in a second rotation direction. Impeller type air purifier characterized in that.
The method of claim 10,

The screw mechanism,

A nut fixed to the impeller housing,

A control bolt installed to penetrate the impeller housing in a state of being screwed to the nut to face the outer side of the impact anvil and varying the depth of penetration of the impeller housing according to a rotation manipulation direction;

Impeller-type air purifier, characterized in that it comprises a ball joint connecting the outside of the impact anvil and the end of the adjustment bolt.
The method of claim 6,

Each of the impact anvils is fixedly coupled to each of the hinge axis,

The rotational force providing means for rotating the collision anvil to the first rotation or the second rotation is a lever mechanism for rotating the hinge shaft,

And the lever mechanism is configured to provide a rotational torque to the hinge shaft to provide a rotational force in a first rotational direction or a second rotational direction.
The method of claim 12,

The lever mechanism,

A circular frame plate installed inside the impeller housing, in which the impeller is positioned at the center of the front part, and each impingement part is disposed in a ring shape along an outer side of the impeller;

A ring-shaped frame plate positioned outside the circular frame plate and configured to allow relative rotation with the circular frame plate;

Respective hinge shafts which are respectively installed to penetrate one point of each impact anvil and the circular frame plate, and fix each impact anvil to the front side of the circular frame plate to be rotatable;

Each lever pin installed at a rear side of the ring-shaped frame plate and installed at a position corresponding to each hinge axis;

A plurality of lever members installed on a rear side of the circular frame plate and provided with pressing means for fixing the hinge shaft at one end thereof and providing pressing force between the lever pin and the other end; And

Impeller-type air purifying apparatus comprising a; operating lever fixed to any one of the hinge shaft.
The method of claim 13,

The pressing means of the lever member, the impeller-type air purifier, characterized in that the through-hole is configured so that the lever pin is inserted, the relative rotation.