KR20200112210A - screw type filter apparatus for removing fine particles - Google Patents

Abstract

The present invention relates to a screw type filter apparatus for removing fine particles. The screw type filter apparatus for removing fine particles comprises: a lower housing having a lower receiving space for storing liquid treated water, formed therein with an outside air inlet at a lateral surface thereof to inflow outside air; an upper housing extending upward of an upper portion of the lower housing and including an upper receiving space communicating with a lower receiving space; a filter unit rotatably installed in the upper receiving space of the upper housing, and filled therein with a filter material to filter fine particles included in air current ascending through the upper receiving space between spiral wings of a screw vertically coupled in a cylindrical housing formed therein with through holes at the top and bottom surfaces thereof; a rotation driver mounted to be supported at the upper housing for rotating the filter unit; a blowing fan coupled with the upper housing so that outside air inflows through the outside inlet and is exhausted through an outlet of the upper housing by the filter unit of the upper receiving space from the lower receiving space of the lower housing; and a sprayer for pumping liquid treated water stored in the lower housing to be sprayed into the filter unit for accelerating cohesion and fall of the fine particles of the filter unit. According to the screw type filter apparatus for removing fine particles, the efficiency of removing fine particles can be improved due to the falling caused by cohesion of the fine particles while improving collision and diffusion efficiency of a treatment liquid sprayed from a sprayer by a rotated screw type filter unit.

Description

Screw type filter apparatus for removing fine particles

The present invention relates to a screw-type filter device for removing fine particles, and more particularly, to a screw-type filter device for removing fine particles capable of improving the efficiency of removing fine particles.

Recently, there are restrictions on outdoor activities due to fine dust in the air, and it has become common to wear a mask when it is necessary to work outdoors. In addition, fine dust is not only contained in outdoor air, but also contained in indoor air due to various factors such as ventilation or cooking, and various techniques have been proposed and used to remove this.

When indoor air is contaminated, various health problems can occur and unpleasant feelings of life can be felt. In recent years, the installation of air purifiers is increasing in order to protect health and to feel a comfortable life.

A general air purifier is configured in the form of purifying indoor air with a blower fan by inserting a filter that filters foreign substances contained in the air, and such a structure has been proposed in various ways such as Korean Patent Publication No. 10-2006-0065317. . However, in the case of the filtration dust collection method, the filter is frequently clogged by particulate contaminants accumulated on the filter surface, so there is an inconvenience in that the filter must be frequently cleaned or replaced.

On the other hand, a structure capable of washing the filter by spraying washing water has also been proposed, but a structure capable of further improving the efficiency of removing fine dust and removing the odor is constantly required.

The present invention has been invented to solve the above requirements, and an object thereof is to provide a screw-type filter device for removing fine particles that can further improve the efficiency of removing fine dust and removing odor.

In order to achieve the above object, the screw-type filter device for removing fine particles according to the present invention includes: a lower housing having a lower receiving space to store liquid treated water and having an outside air inlet through which outside air is introduced; An upper housing extending upward from an upper portion of the lower housing and having an upper receiving space communicating with the lower receiving space of the lower housing; Fine particles contained in the airflow rising through the upper receiving space between the spiral blades of the screw vertically coupled in the cylindrical housing which is rotatably installed in the upper receiving space of the upper housing and has through holes formed in the upper and lower surfaces A filter unit filled with a filter material for filtering; A rotation driving unit mounted to be supported on the upper housing so as to rotate the filter unit; A blowing fan coupled to the upper housing so as to inflow outside air through the outside air inlet and outflow from the lower receiving space of the lower housing through the filter unit of the upper receiving space through the outlet of the upper housing; And a spraying unit for pumping liquid treated water stored in the lower housing and spraying it into the filter unit so as to promote adhesion and fall of the fine particles of the filter unit.

Preferably, a driven gear is formed along a circumferential direction on an outer circumferential surface of the cylindrical housing, and the rotation driving unit includes a motor for rotating the driven gear.

In addition, the liquid treated water may contain wood vinegar liquid.

According to the screw-type filter device for removing fine particles according to the present invention, the collision and diffusion efficiency of the treatment liquid sprayed by the injection unit by the rotating screw-type filter unit is improved, while the removal efficiency is improved by dropping due to adhesion of fine particles. It provides an advantage that can be further improved.

1 is a perspective view schematically showing a screw-type filter device for removing fine particles according to the present invention,
2 is a cross-sectional view of the screw-type filter device for removing fine particles of FIG. 1,
3 is an exploded perspective view showing the filter unit of FIG. 1 separated.

Hereinafter, a screw-type filter device for removing fine particles according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a perspective view showing a screw-type filter device for removing fine particles according to the present invention, FIG. 2 is a cross-sectional view of the screw-type filter device for removing fine particles of FIG. 1, and FIG. 3 is a view showing the filter unit of FIG. It is an exploded perspective view.

1 to 3, the screw-type filter device 100 for removing fine particles according to a preferred embodiment of the present invention includes a housing 110, a filter unit 150, a rotation drive unit 160, and a suction fan 170. , It has an injection unit 180.

The housing 110 has a structure capable of storing the liquid treated water 125 and accommodating the filter unit 150, and is divided into a lower housing 120 and an upper housing 130.

The lower housing 120 is formed to have a lower receiving space 122 to store the liquid treated water 125. It goes without saying that in the illustrated example, the lower housing 120 is formed in the shape of a square enclosure, and may be formed in a different shape from the illustrated example.

An outside air inlet 124 through which outside air is introduced is formed on the side of the lower housing 120. It is preferable that an outside air inlet 124 is formed on all four sides of the lower housing 120, respectively. The upper housing 130 is mounted on the upper surface of the lower housing 120 to communicate with the lower accommodation space 122. Reference numeral 127 denotes a stopper for opening and closing an injection port communicating with the lower receiving space 122 to be used when injecting liquid treated water.

The upper housing 130 extends upward from the upper center of the lower housing 120 and has an upper receiving space 132 communicating with the lower receiving space 122 of the lower housing 120. A discharge port 134 that is open to be discharged is formed.

The filter unit 150 is rotatably installed in the upper receiving space 132 of the upper housing 130 to filter fine particles contained in the airflow rising through the upper receiving space 132.

The filter unit 150 has a cylindrical housing 152, a screw 154 and a filter medium 156.

The cylindrical housing 152 is coupled to a cylindrical portion 152a having a hollow 153 penetrating up and down, and an upper and lower cap 152b having a through hole 155 formed at the upper and lower ends of the cylindrical portion 152a ( 152c). The upper and lower caps 152b and 152c form the upper and lower surfaces of the cylindrical housing 152. A driven gear 158 is formed along the circumferential direction on the outer peripheral surface of the cylindrical portion 152a of the cylindrical housing 152.

The screw 154 is installed in the hollow of the cylindrical housing 152 and is integrally coupled to be rotated with the cylindrical housing 152a. The screw 154 has a structure having a rotational support shaft 154a extending vertically at the center and a spiral blade 154b coupled to the rotational support shaft 154a in a spiral shape along the extending direction of the rotational support shaft 154a. Has been. The spiral wing 154b may be formed of a metal plate made of a thin stainless material, and a plurality of through holes 155 are formed to penetrate in the vertical direction.

The screw 154 has a structure in which a spiral blade 154b wound by 360° with respect to the rotation support shaft 154a is wound in a spiral shape multiple times along the extension direction of the rotation support shaft 154a, and is an adjacent spiral The pitch, which is the spacing between the blades 154b, may be appropriately applied in consideration of the required filtering capacity. The screw 154 can remove the fine particles in multiple stages by adhesion as the rising airflow and the descending treated water collide and diffuse with each other, thereby improving the filtering efficiency of fine dust.

The rotational support shaft 154a of the screw 154 is rotatably supported through a bearing 157 installed to be supported in the upper receiving space 132 of the upper housing 130.

The filter medium 156 is filled between the spiral blades 154b of the screw 154 extending vertically to remove fine particles contained in the airflow rising through the cylindrical housing 152. The filter medium 156 may be formed by entangled metal yarns of fine thickness. As an example, a metal thread having a thickness of 0.1 to 0.3 mm may be applied.

The rotation drive unit 160 is mounted to be supported in the upper housing 130 to rotate the filter unit 150. The rotation driving unit 160 is applied with a motor 164 that rotates the driving gear 162 meshing with the driven gear 158 formed in the cylindrical housing 152, and unlike the illustrated example, the driving gear 162 and driven It goes without saying that it is possible to apply a method of coupling the chain so that the gears 158 are circulated between the driving gear 162 and the driven gear 158 in a state where they are spaced apart from each other.

The blowing fan 170 flows in outside air through the outside air inlet 124, and the upper housing 130 through the filter unit 150 in the upper receiving space 130 from the lower receiving space 122 of the lower housing 120. It is coupled to the upper housing 130 so as to flow out through the outlet 134.

The blowing fan 170 is a fan 174 that is rotated by being coupled to a rotation shaft 173a of the motor 173 supported through a support bar 175 extending upward from the upper surface of the upper housing 130. The fan 174 is spaced apart from each other between the upper disc (174a) formed in a disc shape, the lower disc (174b) and the upper disc (174a) and the lower disc (174b) formed in the center of the suction port corresponding to the outlet (134). It is arranged to extend in an arc shape and has a structure having a plurality of orbiting blades 174c that generate suction power by rotation and induce discharge in the radial direction.

The injection unit 180 pumps the liquid treated water 125 stored in the lower housing 120 so as to promote the adhesion and fall of the fine particles of the filter unit 150 to the filter unit 150 from the top of the filter unit 150. 150) It is designed to be able to spray to flow into the inside.

The injection unit 180 includes a pump (P) 182 that pumps the liquid treated water 125 stored in the lower housing 120 and the liquid treated water 125 pumped from the pump 182 in the upper housing. A delivery pipe 184 extending to the top of 130 and a plurality of nozzles 186 coupled to an end of the delivery pipe 184 to eject liquid treated water 125 downwardly are provided.

The transmission pipe 184 may be installed so as to extend upward beyond the rotation radius of the filter unit 150. The nozzle 186 sprays the liquid treated water 125 supplied through the delivery pipe 184 into the filter unit 150 to improve the adsorption and removal efficiency of fine particles including fine dust and odor components.

In the illustrated example, four nozzles 186 are applied through branch pipes branched from the delivery pipe 184, and the number of nozzles 186 applied may be appropriately applied.

As the liquid treated water 125, water may be applied, or a deodorizing liquid having a deodorizing performance may be applied so as to improve the removal efficiency of odor fine particles that cause odor. As a deodorant liquid, it is possible to apply wood vinegar liquid extracted from natural grasses and aged. It goes without saying that the liquid treated water 125 may have a deodorizing function in addition to the exemplified ones and various known materials that are harmless to the human body may be applied.

Meanwhile, of course, a vibration generator capable of generating vibration may be installed in the upper housing 130 or the lower housing 120 to improve the separation efficiency of fine particles adsorbed on the filter unit 150.

According to the air purifier described above, the process of adhering and falling fine particles contained in the rising air stream as the liquid treated water supplied into the rotating filter unit 150 is diffused by collision with the screw and the filter medium is multi-step By consisting of, it provides an advantage that can further improve the removal efficiency of fine particles.

110: housing 150: filter unit
152: cylindrical housing 154: screw
160: rotation driving unit 170: blowing fan
180: injection part

Claims (3)

A lower housing having a lower receiving space to store liquid treated water and having an outside air inlet through which outside air is introduced;
An upper housing extending upward from an upper portion of the lower housing and having an upper receiving space communicating with the lower receiving space of the lower housing;
Fine particles contained in the airflow rising through the upper receiving space between the spiral blades of the screw vertically coupled in the cylindrical housing which is rotatably installed in the upper receiving space of the upper housing and has through holes formed in the upper and lower surfaces A filter unit filled with a filter material for filtering;
A rotation driving unit mounted to be supported on the upper housing so as to rotate the filter unit;
A blowing fan coupled to the upper housing so as to inflow outside air through the outside air inlet and outflow from the lower receiving space of the lower housing through the filter unit of the upper receiving space through the outlet of the upper housing;
And a spray unit for pumping the treated water stored in the lower housing into the filter unit by pumping the treated water stored in the lower housing to promote the adhesion and dropping of the fine particles of the filter unit. The screw-type filter device according to claim 1, wherein a driven gear is formed along a circumferential direction on an outer circumferential surface of the cylindrical housing, and the rotation driving unit includes a motor for rotating the driven gear. The screw-type filter device for removing fine particles according to claim 2, wherein the liquid treated water contains wood vinegar liquid.

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