JP5731692B1 - Air cleaning device - Google Patents

Abstract

An apparatus and an operating cost are kept low, and air is effectively washed at a low cost. An air cleaning device (1) includes a bubble layer (B1) formed of a cleaning liquid (L1) through which air to be cleaned (A1) passes. Since the air to be cleaned is cleaned by passing through the bubble layer of the cleaning liquid, the air can be effectively cleaned at a low cost. Bubbles in the bubble layer can be generated by dropping onto the surface of the cleaning liquid stored by the cleaning liquid. The bubble layer may be formed by moving the bubbles by the air to be cleaned, and the bubbles can be extinguished by colliding with a cleaning liquid supplied to the bubbles. A cleaning liquid layer forming means for forming a cleaning liquid layer is provided, and the cleaning air that has passed through the bubble layer can be passed through the cleaning liquid layer formed by the cleaning liquid layer forming means. The cleaning effect can be further enhanced. [Selection] Figure 1

Description

The present invention relates to an air cleaning equipment for cleaning air containing viruses or pollen, contaminants such as PM2.5.

  In recent years, in view of serious air pollution and health problems caused by viruses, pollen, etc., an air cleaning device for cleaning contaminated air has been developed and widely used in ordinary homes, public facilities, factories and the like.

  Among such air cleaning apparatuses, for example, in Patent Document 1, the bubbles are raised while forming bubbles, and the dirty air is supplied in a direction parallel to the horizontal plane to be brought into contact with the bubbles to be washed, and the raised bubbles An air cleaning device is described in which a mesh member is brought into contact with each other and dropped as water droplets, and the dropped water droplets are collected.

JP 2004-33939 A

  However, in the above conventional technique, when a predetermined time elapses after the bubble rises, the bubble collides with the mesh member and disappears, so the contact time between the bubble and the air to be cleaned is short. For this reason, in order to effectively recover the pollutant from the air to be cleaned, it is necessary to continuously raise a large amount of bubbles, and there has been a problem that the apparatus cost and the operating cost become high.

  Therefore, the present invention has been made in view of the above-described problems and the like, and it is an object of the present invention to keep both the apparatus cost and the operation cost low and to effectively clean the air at a low cost.

In order to achieve the above object, the present invention provides an air cleaning apparatus, which includes a housing that sucks air to be cleaned from a cleaning air supply unit and discharges the cleaning air from a cleaning air discharge unit. A cleaning liquid tank that is inclined downward and forms an opening between the inner wall of the housing, and a cleaning liquid supply that supplies the cleaning liquid onto the plate member And generating bubbles by dropping the cleaning liquid from the cleaning liquid supply section through the plate-like member onto the surface of the cleaning liquid stored in the cleaning liquid tank. The bubbles are moved by the air to be cleaned supplied from the air supply unit to form a bubble layer, and the cleaning liquid layer is formed in the opening by the cleaning liquid flowing through the plate-like member. Cleaning the air with the bubble layer and the cleaning After washing by bubbling passed through a liquid layer, is discharged from the cleaning air outlet, the air bubbles in the bubble layer, is eliminated by collisions with cleaning liquid that has fallen after forming the cleaning liquid layer It is characterized by that.

According to the present invention, since the air to be cleaned is cleaned by passing through the bubble layer of the cleaning liquid, the air can be effectively cleaned at a low cost. Further, the cleaning effect of the air to be cleaned can be further enhanced by passing the air to be cleaned through the cleaning liquid layer and bubbling.

  The bubbles can be extinguished by colliding the supplied cleaning liquid with the bubbles, and the bubbles can be eliminated at a low cost by a simple method, and contaminants, viruses, pollen, etc. contained in the bubbles can be washed. It can be recovered by floating in a working solution.

  A plurality of the bubble layers can be formed in the flow direction of the air to be cleaned, and the cleaning effect of the air to be cleaned can be further improved.

  As described above, according to the present invention, air can be effectively washed at low cost.

It is a figure which shows 1st Embodiment of the air cleaning apparatus which concerns on this invention, Comprising: (a) is a front view, (b) is a top view. FIG. 2 is a cross-sectional view taken along line AA of the air cleaning device of FIG. 1, (a) when stopped, (b) during idle operation, and (c) during operation. It is BB sectional drawing of the air cleaning apparatus of FIG. It is CC sectional drawing of the air cleaning apparatus of FIG. It is sectional drawing which shows 2nd Embodiment of the air cleaning apparatus which concerns on this invention.

  Next, an embodiment for carrying out the present invention will be described in detail with reference to the drawings. First, a first embodiment of an air cleaning device according to the present invention will be described with reference to FIGS. 1 to 4.

  As shown in FIGS. 2A and 3, the air cleaning device 1 is generated when a floating space chamber 11 in which main components for air cleaning are accommodated and the cleaned air is discharged. The sound deadening chamber 12 for preventing the generated noise and the cleaning air ascending guide 13 for smoothly discharging the cleaned air.

  In the floating space 11, the air to be cleaned A 1 (see FIGS. 2B and 2C) to be cleaned is supplied to the floating space 11, and the cleaning air A 2 is discharged to the sound deadening chamber 12. Air is supplied into the air discharge unit 15, the cleaning liquid supply unit 16 that supplies the cleaning liquid L1 to the floating space chamber 11, the cleaning liquid tank 17 that stores the cleaning liquid L1, the floating space chamber 11, and the like. A cross flow fan 8 for flowing, free dampers 18 and 19 for smoothly guiding the air to be cleaned A1 and the cleaning air A2, a flat rectifying plate 20 for gently lowering the supplied cleaning liquid L1, and cleaning air A guide plate 21 for smoothly discharging A2 is provided.

  As shown in FIG. 4, the bottom plate 22 of the cleaning liquid tank 17 is formed in a square shape when viewed from above, and an opening 6 (see FIG. 2) is formed at one corner, and the portion other than the opening 6 is an inclined surface. It has become. The opening 6 communicates with the inflow pipe 33a of the circulation pump 33 as shown in FIG.

Universal damper 18 is one end attached to the swash flat rectifying plate 20, the other end located within the cleaning liquid was stored in the cleaning liquid tank 17, configured to easily deformed by the wind. The free damper 19 has one side attached to the ceiling of the floating space chamber 11 and is configured to be easily deformed by wind power.

  The oblique rectifying plate 20 is formed in a rectangular shape when viewed from above, and a left side and a side surface are fixed to the inner surface of the floating space chamber 11. An opening 20 a is formed between the right side of the oblique rectifying plate 20 and the inner surface of the floating space 1.

  The guide plate 21 is formed in a plate shape having a curved surface, the left side and the side are fixed to the ceiling surface and the inner surface of the floating space chamber 11, and the right side is fixed to the housing of the cross flow fan 8. .

  Further, as shown in FIG. 3, the floating space 11 stores a storage tank 32 for storing a preliminary cleaning liquid L1 and a cleaning liquid supply unit 16 for storing the cleaning liquid L1 stored in the cleaning liquid tank 17. A circulation pump 33 and a drainage valve 31 are provided for supplying the wastewater.

  The storage tank 32 is a siphon type. When the float switch 23 is turned ON, the cleaning liquid in the storage tank 32 is supplied to the cleaning liquid tank 17. The discharge valve 31 is provided to discharge the cleaning liquid L1 that is no longer needed to the outside.

  Further, as shown in FIG. 1, the casing 11a constituting the floating space chamber 11 includes a switch 2 (2A, 2B) for starting and stopping the circulation pump 33 and the cross flow fan 8, respectively, and maintenance. Maintenance panels 3 and 4 and an inspection window 5 are provided.

  Further, below the cleaning liquid tank 17, a float switch 23 that is turned on when the level of the cleaning liquid in the cleaning liquid tank 17 is lowered, and a vibration isolation for preventing vibration of the air cleaning device 1. A sheet 7 is provided.

Next, the operation of the air cleaning device 1 having the above configuration will be described with reference to FIGS.

  First, the cleaning liquid L1 is supplied and stored in the cleaning liquid tank 17 shown in FIG. This cleaning liquid L1 contains surfactants such as sodium alkyl ether sulfate, alkyl amine oxide, polyoxyethylene alkyl ether, sodium hypochlorite, stabilizer, viscosity modifier, orange beer component and other incense. What added the appropriate | suitable agent etc. can be used.

  Next, the switches 2A and 2B shown in FIG. 1 are turned ON to drive the circulation pump 33 and the cross flow fan 8. 2C and 3, a part of the cleaning liquid L 1 in the cleaning liquid tank 17 is pumped up to the cleaning liquid supply unit 16 through the circulation pump 33, and the oblique rectification is performed from the cleaning liquid supply unit 16. Drop on the plate 20.

  As shown in FIG. 4, the cleaning liquid L <b> 1 that has dropped onto the oblique rectifying plate 20 flows toward the opening 20 a on the oblique rectifying plate 20 regardless of the dropping position. As shown in FIG. 2C, the cleaning liquid L1 that has passed through the opening 20a falls into the cleaning liquid tank 17 to generate bubbles. The cleaning liquid L1 in the cleaning liquid tank 17 returns from the bottom plate 22 to the circulation pump 33 through the opening 6 and the inflow pipe 33a. When a certain amount of bubbles is generated, the switch 2A is turned OFF to stop the circulation pump 33.

  On the other hand, the air to be cleaned A1 is taken into the floating space chamber 11 from the air supply unit 14 to be cleaned by the cross flow fan 8, and the air to be cleaned A1 is guided by the universal bumper 18 to stabilize the air flow of the air to be cleaned A1. .

  The bubbles generated on the surface of the cleaning liquid L1 are moved by the air flow of the air to be cleaned A1 to form a thick bubble layer B1, and the air to be cleaned A1 is passed through the thick bubble layer B1 to be cleaned. The contact time between the air A1 and the bubbles in the bubble layer B1 is lengthened, and contaminants, viruses, pollen, etc. contained in the air to be cleaned A1 are contained in the bubbles in the bubble layer B1.

  As the cleaning liquid L1 flows on the flat rectifying plate 20 and collects in the opening 20a, a layer of the cleaning liquid L1 is formed in the opening 20a, and the cleaning air A2 passes through the cleaning liquid layer. Thus, the cleaning air A2 can be bubbled and further cleaned. Thereafter, the cleaning air A <b> 2 is discharged from the cleaning air discharge unit 15 through the cross flow fan 8, the free damper 19 and the guide plate 21.

  The cleaning air A2 discharged from the cleaning air discharge unit 15 is supplied to the sound deadening chamber 12, and the cleaning air A2 is discharged out of the system through the cleaning air ascending guide 13 while preventing noise.

  After the above operation is continuously performed, the switch 2A is turned on to activate the circulation pump 33, and the cleaning liquid L1 is newly supplied from the cleaning liquid supply unit 16 into the floating space chamber 11, and the oblique rectifying plate The bubbles are eliminated by dropping onto the bubble layer B1 through the 20 openings 20a and colliding with the bubbles in the bubble layer B1. Thereby, the pollutant, virus, pollen, etc. contained in the bubbles are suspended in the cleaning liquid L1 and collected.

  By switching ON and OFF of the switch 2A of the circulation pump 33, the bubbles in the bubble layer B1 can be freely held or extinguished, so that the bubble holding time can be adjusted freely and effectively. The air to be cleaned A1 can be cleaned. Further, in addition to cleaning the air to be cleaned A1, it is possible to exert a humidifying effect and a cooling / heating effect, and to generate negative ions.

  Further, when the liquid level in the tank 17 is lowered due to evaporation of the cleaning liquid L1 in the cleaning liquid tank 17, the float switch 23 is turned on, and the cleaning liquid tank 17 is switched from the storage tank 32 to the cleaning liquid tank 17. Supply liquid L1.

  Further, the state of the cleaning liquid L1 in the cleaning liquid tank 17 is observed from the inspection window 5, and if it is determined that the cleaning liquid L1 needs to be replaced, the cleaning liquid tank 17 is cleaned. The liquid L1 is discharged from the drain valve 31 to the outside, and the cleaning liquid L1 is newly stored in the cleaning liquid tank 17.

  In addition, corrosion of a structural member can be prevented by making the structural member which contacts the washing | cleaning liquid L1 of the air cleaning apparatus 1 into resin, and the air cleaning apparatus 1 is provided by providing a timer means in the air cleaning apparatus 1. Can be operated automatically. Moreover, the air cleaning apparatus 1 can adjust a dimension and a shape according to the volume of the room | chamber interior to install, and can be made into a square, a rectangle, and a circle view top view.

  Next, a second embodiment of the air cleaning device according to the present invention will be described with reference to FIG.

  The air cleaning device 41 has the same basic configuration as the air cleaning device 1 in the first embodiment, except that the air cleaning device 41 is connected to the floating space chamber 42 corresponding to the floating space chamber 11 of the air cleaning device 1 and the inclined flat rectifying plate 20. A plurality of corresponding flat rectifying plates 43 (43A, 43B, 43C) are provided, and the air to be cleaned A3 passes through the bubble layers B2, B3, B4 and the cleaning liquid layer in the opening 43a of the flat rectifying plate 43 at a plurality of locations. By doing so, the cleaning effect of the air to be cleaned A3 can be further enhanced.

DESCRIPTION OF SYMBOLS 1 Air cleaning apparatus 2 (2A, 2B) Switch 3, 4 Maintenance panel 5 Inspection window 6 Opening part 7 Anti-vibration sheet 8 Cross flow fan 11 Floating space room 11a Case 12 Silence room 13 Cleaning air rising guide 14 Supply of air to be cleaned 15 Cleaning air discharge unit 16 Cleaning liquid supply unit 17 Cleaning liquid tanks 18 and 19 Swivel damper 20 Slanted flat rectifying plate 20a Opening 21 Guide plate 22 Bottom plate 23 Float switch 31 Drain valve 32 Storage tank 33 Circulation pump 33a Inflow Tube 41 Air cleaning device 42 Floating space chamber 43 (43A, 43B, 43C) Oblique flat rectifying plate 43a Opening A1 Air to be cleaned A2 Air to be cleaned Air to be cleaned B1, B2, B3, B4 Bubble layer L1, L2 Liquid for cleaning

Claims (2)

A housing that sucks air to be cleaned from the air supply unit to be cleaned and discharges the cleaning air from the cleaning air discharge unit;
A cleaning liquid tank provided in the housing;
A plate-like member that inclines downward and forms an opening with the inner wall of the housing;
A cleaning liquid supply section for supplying a cleaning liquid on the plate-like member,
Generate bubbles by dropping the cleaning liquid from the cleaning liquid supply unit via the plate member on the surface of the cleaning liquid stored in the cleaning liquid tank,
Forming a bubble layer by moving the bubbles by the air to be cleaned supplied from the air supply unit to be cleaned;
A cleaning liquid layer is formed in the opening by the cleaning liquid flowing through the plate-shaped member,
The supplied air to be cleaned is cleaned with the bubble layer, and after being cleaned by bubbling through the cleaning liquid layer, it is discharged from the cleaning air discharge unit,
An air cleaning device , wherein the bubbles in the bubble layer are extinguished by collision with the cleaning liquid dropped after forming the cleaning liquid layer . The bubble layer, the air cleaning apparatus according to claim 1, characterized in that a plurality formed in the flow direction of the cleaned air.