JP2000000416A - Air feeding and dust removing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve dust removal efficiently by adopting the constitution to provide the lower sides of plural setting sepn. chambers partitioned by plural collision plates with air reserving chambers partitioned to a plurality by grid plates, to capture dust by collision sepn. of air flow with collision plates and a settle the dust in the air in these air reserving chambers. SOLUTION: At the time the air contg. dust of an outdoor 1 is supplied into a room 2 through a duct 3, the dust of the large density in the air and large grain sizes adheres to collision plates by colliding against the collision plates or falls into air reserving chambers 7 in the lower part and successively deposits therein. The dust of the small density and small grain sizes flow into the settling sepn. chambers 5 on the leeward side than vent ports 6 below the collision plates 4. The very fine dust is captured and successively settled into the air reserving chambers 7 of the grid plates 8 in the duct 3. Namely, the dust-laden air successively collides against the collision plates 4 and is sent through vent ports 6 to the settling sepn. chambers 5 where the dust is removed therefrom by a dust removing effect and thereafter, the purified air is fed by a fan 9 for blasting into the room 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air supply / dust remover for removing fine dust and odor floating in outdoor air and controlling the humidity of the room.

[0002]

2. Description of the Related Art Heretofore, as this type of dust collector, one described in Japanese Utility Model Laid-Open No. 63-20917 has been known.

Hereinafter, the dust collector will be described with reference to FIG. As shown in the figure, the dust collection chamber 101 includes a ceiling 102, a front wall 103, left and right side walls 104, a hanging wall 105 having an opening 105 a in a lower part, and a floor 106, and sends dust to the front wall 103. A duct 107 is attached, and a plurality of air-supply walls 108 extending in a direction intersecting at least the flow of dust-containing air are attached to the floor 106, and a floor surface is provided behind the hanging wall 105 at an interval. The upper part rising from 106 is the gallery 109
And a partition wall 112 having another upper portion serving as a gallery 111, to form a shower room 113 and a shower nozzle 114.

[0004]

In such a conventional dust collector, air containing dust is sent from the duct 107 into the dust collecting chamber 101, and the sent dust is affected by the gravity and the like. The airflow that has settled down on the floor 106, is captured by the reservoir wall 108, and has passed through the opening 105a
In 3, the fine dust contained therein is further removed, so that the dust can be removed only by means of gravity sedimentation. In addition, since fine particles are captured by water, there is a problem that a water supply and drainage facility is also required. Simplification is required.

An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide a small and simple air supply and dust removing apparatus.

[0006]

In order to achieve the above object, the air supply and dust removal apparatus of the present invention captures dust by impact separation of large dust by an impact plate and sedimentation and separation of fine dust by an air chamber. It is what it was.

According to the present invention, it is possible to provide a small and simple air supply and dust removal apparatus. Another means is to provide an ultraviolet lamp in the sedimentation separation chamber and carry a photocatalyst on one or both of the collision plate and the lattice plate.

According to the present invention, the supply air is deodorized.
An air supply / dust remover having a sterilizing effect can be provided.

Another means is one of a collision plate and a grid plate,
Alternatively, both are ceramic porous bodies.

Further, according to the present invention, it is possible to provide an air supply dust removing apparatus for controlling the humidity of the air supply.

Another means is to provide an air supply fan in the duct. And according to the present invention, it is possible to provide an air supply / dust remover that supplies stable clean air to a room.

Another means is that an opening is provided below the air reservoir chamber in the duct, a dust collection box is provided below the opening, and one end of the dust collection box communicates with the outside of the chamber to form a dust discharge port. It is.

According to the present invention, it is possible to provide an air supply / dust remover in which the captured dust is simultaneously discharged to the outside while supplying stable clean air to the room.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention is characterized in that a plurality of impingement plates with which an air flow impinges are provided on an upper side in a duct communicating between the outside and the room, and a plurality of sedimentation separation chambers partitioned by the plurality of impingement plates are provided. In the lower part, a vertical grid plate is provided with a plurality of air collecting chambers partitioned by a plurality, and the dust is captured by being separated by collision with the collision plate on the side wall of the sedimentation separation chamber, and the dust in the air is reduced by the air collecting chamber. It has a function of sedimentation, and has an effect that dust removal efficiency is improved by a combined function of sedimentation separation and collision separation, and the air supply and dust removal device can be formed compact and easily.

Further, since the surface of the collision plate is provided with irregularities, a substantial collision area can be increased.

Further, the collision plate is provided with openings of a plurality of holes, which facilitates efficient collision of the flow of wind with the collision plate, and the air passing through the openings of the plurality of holes. Can collide without lowering the collision wind speed against a collision plate provided later.

Further, an ultraviolet lamp is provided in the sedimentation separation chamber, and one or both of the collision plate and the lattice plate carry a photocatalyst, so that air can be purified.

Further, one or both of the collision plate and the lattice plate are made of a ceramic porous body, and the supplied air can have a humidity control function.

Further, since an air supply fan is provided in the duct, the air can be stably supplied into the room.

Further, an opening is provided below the air reservoir chamber partitioned by the lattice plate in the duct, a dust collecting box is provided below the opening, and one end of the dust collecting box communicates with the outside of the chamber, and a dust discharging port is provided. It is formed, and the settled dust can be discharged outdoors.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0022]

(Embodiment 1) As shown in FIGS. 1 to 3, a duct 3 communicating an outdoor 1 and a room 2 is provided, and a plurality of collision plates 4 against which an air flow collides in the upper part of the duct 3 are provided. A plurality of sedimentation separation chambers 5 are formed so as to protrude into the lower half of the duct 3 and are partitioned by the collision plate 4. A space below the collision plate 4 is ventilated below the duct 3. An air chamber 7 is formed at the lower part of the duct 3 by a vertical lattice plate 8 and is divided into a plurality of air chambers. The collision plate 4 on the end face of the sedimentation separation chamber 5 collides and separates dust in the air. Also, the dust is settled and trapped and removed in the air reservoir 7 as well.

In the above configuration, when air is supplied from the outdoor 1 to the room 2, the air containing the dust from the outdoor 1 hits the collision plate 4, and the dust having a large density of about 10 μm or more in the air and having a large particle diameter is provided. The particles adhere to the collision plate 4 or adhere to the collision plate 4, and those that do not adhere fall and accumulate in the lower air chamber 7.

On the other hand, the dust having a small density or a small particle size flows along the wind streamline and flows downstream, flows into the leeward sedimentation separation chamber 5 from the lower ventilation port 6 of the collision plate 4, and the fine dust is removed from the duct. It is caught in the air collecting chamber 7 of the lower vertical lattice plate 8 in the inside 3 and sinks down.

Further, by providing the bumper plate 4 with the irregularities 4a or the opening of the round hole 4b or the square hole 4c, the adhesion of the dust is increased and the trapping force is further increased.

The air from which large dust has been removed by the impingement plate 4 is sent in a turbulent state to the leeward sedimentation / separation chamber 5 from the ventilation port 6 between the lower part of the impingement plate 4 and the vertical grid plate 8, and the air is trapped. The fine dust entrained in the chamber 7 sinks due to gravity, falls between the plurality of grid plates 8 and is collected. In addition, large particles separated and dropped from the collision plate 4 enter the air reservoir 7,
Gravity descent between the plurality of lattice plates 8 will occur.

The air that has flowed into the first settling / separation chamber 5 hits the second impingement plate 4 and the first settling / separation chamber 5
The dust not caught in the above flows into the second sedimentation separation chamber 5 again from the vent 6, and the dust passing through the first is sequentially removed by the dust removal action again, and the purified air enters the room 2 by the blowing fan 9. Air will be supplied.

As described above, according to the air supply and dust removal apparatus of Embodiment 1 of the present invention, since the collision plate 4 and the air chamber 7 are provided,
Large dust is impact-separated and removed by the impact plate 4, and small dust is settled and removed in the air chamber 7, eliminating the need to use a filter or a shower device and achieving a small-sized efficiency that effectively utilizes natural phenomena. A good air supply and dust removal device is obtained.

If the surface of the collision plate 4 provided on the end face of the settling / separation chamber 5 is provided with irregularities 4a, the size of the collision plate 4 is the same as that of the collision plate 4, and the dust collision area is increased, so that the dust capturing power is increased and the collection efficiency is improved. Enhanced.

Further, if an opening of the round hole 4b or the square hole 4c is provided at a position deviated from the air flow path in the collision plate 4 provided at the end face of the sedimentation separation chamber 5, the pressure loss of the collision plate 4 is reduced, The airflow faster than the round hole 4b or the square hole 4c hits the second-stage collision plate 4 again, and collides and removes the dust, thereby increasing the dust-capturing power and improving the collection efficiency.

(Embodiment 2) As shown in FIGS. 4 and 5, an ultraviolet lamp 10 is provided in the sedimentation separation chamber 5, and one or both of the collision plate 4 and the grid plate 8 carry a photocatalyst 11. I do.

In the above configuration, when the ultraviolet lamp 10 is turned on while air is flowing in the duct 3, the collision plate 4 emits light of about 3900 ° emitted from the ultraviolet lamp 10.
The photocatalyst 11 carried on one or both of the grid plates 8 is activated, and organic odors and bacteria in the passing airflow are oxidatively decomposed, thereby exhibiting an air purifying function as well as a dust removing function.

As described above, according to the air supply and dedusting apparatus of the second embodiment of the present invention, the outdoor air can be dedusted, deodorized and sterilized, and clean air can be supplied to the interior 2.

(Embodiment 3) As shown in FIGS. 1 and 6, one or both of the collision plate 4 and the grid plate 8 are made of a ceramic porous body 12.

In the above configuration, when air is flowed through the duct 3, the ceramic porous body 12 absorbs moisture when the atmosphere is humid, and is absorbed by the ceramic porous body 12 when the atmosphere is dry. Moisture is released, and the air purifying function is exhibited together with the humidity controlling function.

As described above, according to the air supply and dust removal apparatus of the third embodiment of the present invention, the outdoor air is conditioned and dedusted, and the clean air is supplied to the room 2.
Can be supplied to

(Embodiment 4) As shown in FIG.
The air supply fan 13 is provided inside.

In the above configuration, by providing the air supply fan 13, the influence of loads other than the duct 3 can be reduced, and the air purifying function can be effectively exhibited.

As described above, according to the air supply and dust removal apparatus of Embodiment 4 of the present invention, a stable air volume can be supplied to the room 2.

(Embodiment 5) As shown in FIG.
An opening 14 is provided below the air collecting chamber 7 partitioned by the inner grid plate 8, a dust collecting box 15 is provided below the opening 14, and dust is communicated with an end of the dust collecting box 15 on the outdoor 1 side. The outlet 16 is provided.

In the above configuration, when the air supply fan 12 is operated, the pressured air including dust from the outside 1 collides with the collision plate 4 and the ventilation port 6 below the collision plate 4.
The large dust is sent to the sedimentation separation chamber 5 and adheres to the collision plate or falls between the lower lattice plates 8. The fine dust caught in the air chamber 7 between the plurality of lattice plates 8 also drops by gravity and falls into the dust collection box 15 through the opening 14 to be collected. At this time, the sedimentation separation chamber 5 and the dust collection box 15
There is a pressure difference between them, and the pressure on the sedimentation separation chamber 5 side is higher than the dust collection box 15, and the pressure inside the dust collection box 15 is higher than the outside 1. Therefore, the dust dropped into the dust collection box 15 is discharged to the outside 1 through the dust discharge port 16.

As described above, according to the air supply and dust removal apparatus of Embodiment 5 of the present invention, dust falling into the dust collection box 15 can be automatically discharged to the outside 1.

[0043]

As is clear from the above embodiments, according to the present invention, a plurality of collision plates against which an air flow collides are provided above the inside of a duct communicating between the outside and the room. A sedimentation separation chamber partitioned by a vertical lattice plate in the lower portion, and a plurality of air storage chambers, and a collision plate on a side wall of the sedimentation separation chamber collides and separates dust to capture dust. Since the dust in the air is settled in the air chamber, a small and simple air supply and dust removal device can be provided.

Since the surface of the collision plate is provided with irregularities,
The degree of adhesion of fine dust is increased, and the dust removal efficiency is improved.

Further, since the collision plate is provided with openings of a plurality of holes, the degree of adhesion of dust is increased and the dust removal efficiency is improved.

Further, since an ultraviolet lamp is provided in the sedimentation separation chamber and one or both of the collision plate and the lattice plate carry a photocatalyst, it has a deodorizing and sterilizing function as well as dust removal.

Further, since the ceramic porous body is used for one or both of the collision plate and the grid plate, it has a function of controlling the humidity of the air as well as removing dust.

Further, since the air supply fan is provided in the duct, the air volume can be stably provided to the room.

Further, an opening is provided below the air reservoir chamber in the duct, a dust collecting box is provided below the opening, and one end of the dust collecting box communicates with the outside of the chamber to form a dust discharge port. Can be automatically discharged outside the room.

[Brief description of the drawings]

FIG. 1 is a schematic cross-sectional view showing an installed state of an air supply / dust remover according to Embodiments 1 and 3 of the present invention.

FIG. 2 is a front view of another collision plate according to the first embodiment.

FIG. 3A is a front view of another collision plate. FIG. 3B is a front view of another collision plate.

FIG. 4 is a schematic sectional view showing an installation state of the second embodiment.

FIG. 5 is a sectional view of the collision plate.

FIG. 6 is a cross-sectional view of the collision plate according to the third embodiment.

FIG. 7 is a schematic sectional view showing an installation state of the fourth embodiment.

FIG. 8 is a schematic sectional view showing an installation state of the fifth embodiment.

FIG. 9 is a vertical sectional side view showing an installation state of a conventional gravity sedimentation type dust collector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outdoor 2 Indoor 3 Duct 4 Impact plate 4a Irregularity 4b Round hole 4c Square hole 5 Sedimentation separation chamber 6 Vent 7 Air reservoir 8 Grid plate 9 Fan for ventilation 10 Ultraviolet lamp 11 Photocatalyst 12 Ceramic porous body 13 Air supply fan 14 Opening 15 Dust collection box 16 Dust outlet

Claims (7)

[Claims] 1. A plurality of collision plates against which an air flow collides are provided on an upper side of a duct communicating between the outside and the room, and a vertical portion is provided below a plurality of sedimentation separation chambers partitioned by the plurality of collision plates. Equipped with a plurality of air chambers separated by a grid plate,
An air supply / dust remover configured to collide with a collision plate on a side wall of the sedimentation separation chamber to capture dust and to settle dust in the air in the air chamber. 2. The air supply and dust removal apparatus according to claim 1, wherein the collision plate has irregularities on its surface. 3. The air supply and dust remover according to claim 1, wherein a plurality of openings are provided in the collision plate. 4. The air supply and dust removal apparatus according to claim 1, wherein an ultraviolet lamp is provided in the sedimentation separation chamber, and one or both of the collision plate and the lattice plate carry a photocatalyst. 5. The air supply and dust remover according to claim 1, wherein one or both of the collision plate and the grid plate are made of a porous ceramic body. 6. The air supply and dust removal apparatus according to claim 1, wherein an air supply fan is provided in the duct. 7. An opening is provided below an air reservoir chamber partitioned by a grid plate in a duct, a dust collection box is provided below the opening, and one end of the dust collection box is communicated with the outside of the chamber to provide a dust discharge port. The air supply and dust remover according to claim 1 or 6, wherein the air supply and dust remover is formed.