JP2000329382A - Air cleaner and air cleaning method, and automatic water supply unit for air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a water supply tank in which water leak or injection leak is eliminated by bringing air being fed in the direction tangential to a tubular body into contact with spray water so that water drops collide against a collision member placed immediately below. SOLUTION: A spiral collision plate 122 fixed around an inner tube 131 increases the rotating force thereof furthermore through collision with air and spray water. When the air and spray water collide each other and/or they collide against the collision plate 122, water is atomized to produce air mixed with fine water drops composed of fine water drops charged positively and air ions charged negatively around the fine water drops. Water drops containing positive ions of relatively large particle collide against a spiral plate 132 having an opening 133 fixed around the inner tube 131 and drop into a water tank 16. Air mixed with ultrafine water drops containing many negative ions of small particle size pass through the opening 133 of the spiral plate 132 and ascend while rotating.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifying method and an air purifying apparatus utilizing the Leonard effect or the Simpson effect. The present invention relates to an air purifying method and an air purifying apparatus which, besides removing dust, smells, or fungi, normally work each organ of the body by negative ions and are effective for calming autonomic nerves. is there. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water supply tank in an air purification device that does not leak when supplying water to the air purification device from a water supply tank. The present invention relates to an automatic water supply device in an air cleaning device.

[0002]

2. Description of the Related Art The principle and effect of an air cleaning method and apparatus utilizing the Leonard effect or the Simpson effect are described in detail in, for example, Japanese Patent Application Laid-Open No. 4-141179. In addition, air purifying methods and apparatuses utilizing the Leonard effect or the Simpson effect are disclosed in Japanese Patent Publication Nos. 62-57895, 1-54614, 3-9376, and 3-21831.
JP, JP-B5-58755, JP-B7-64
No. 719.

An air purifying method or an air purifying apparatus utilizing the above-mentioned Leonard effect or Simpson effect includes dust,
It not only removes odors and bacteria, but also has a good effect on the human body. The invention described in each of the above publications is composed of a gas-liquid contact unit that makes water finer and comes into contact with air, and a gas-liquid separation unit that consists of a cyclone that uses centrifugal force generated by swirling of a high-pressure airflow. Therefore, the installation locations of large buildings such as hospitals, buildings, laboratories, factories, and the like were limited.

FIG. 9 is a conceptual sectional view for explaining a conventional air cleaning device. In FIG. 9, the outer cylindrical body 81
The inner cylindrical body 82 to which the injection pipe 83 is attached is provided concentrically at the center as shown in the figure. A number of nozzles 831 are provided around the injection pipe 83. Also,
The inner cylindrical body 82 has a lower outer cylindrical body 81 below.
Communicates with the interior. The outer cylindrical body 81 is provided with a blow port 812 for blowing air in an upper portion. Also,
A filter 85 for removing dust, odor, bacteria and the like contained in water is provided below the outer cylindrical body 81. The clean water that has passed through the filter 85 once enters the water supply tank 86, and then reaches the injection pipe 83 via the water supply pipe 84 by the pump 87.

[0005] The above-mentioned air purifying device includes a pump 87
Then, after passing through the water supply pipe 84 and the injection pipe 83, water is injected from the nozzle 831. The water jetted from the nozzle 831 collides with the side wall 811 and is miniaturized, and at the same time, positive ions and negative ions are generated. That is, between the outer cylindrical body 81 and the inner cylindrical body 82, a gas-liquid contact portion 91 where air and water come into contact is configured.

On the other hand, the air introduced from the air outlet 812 comes into contact with the micronized water jetted from the nozzle 831, and then as air containing a large amount of moisture, the inside of the inner cylindrical body 82 which is the gas-liquid separation portion 92. Rise along. As the moisture-rich air rises in the inner cylindrical body 82, water having relatively large particles falls due to its weight, and the filter 8
Reach the top of 5. Negative ions, along with small particles of water,
Released into the air. Further, the jet water collides with the side wall 811, becomes fine particles, adsorbs dust, odor, bacteria, etc., then falls along the conical portion 813, and enters the filter 85.

[0007]

SUMMARY OF THE INVENTION
Since water is jetted from the nozzle in the horizontal direction, not only the diameter of the outer cylindrical body is increased, but also the gas-liquid contact is not sufficiently performed. In addition, the conventional air purifier using cyclone for gas-liquid contact or gas-liquid separation,
Because the device becomes large, it is not suitable for home use or small office use. In the conventional air purifying apparatus, if it is attempted to design a large-sized and a small-sized air purifying apparatus with the same structure, the structure cannot be achieved, and different designs are required as separate apparatuses.

[0008] Since the air purifier contains a lot of dust, smell, bacteria and the like while the water in the water tank is circulating, fresh water must be replaced frequently. However, since the conventional water supply tank for replacing water in the water tank has a valve provided below, there is a problem that water droplets leak from the valve portion when the water supply tank is transported or when water is supplied. In particular, when the water supply tank becomes old, the packing provided on the valve cannot be sufficiently sealed,
There was a problem that water leakage became severe. In the above-described conventional air purifying apparatus, if the time for replacing the water in the water tank is delayed, dust, odor, bacteria, etc. are scattered, and if it is too early, there is a problem that labor and time for replacing the water are wasted. .

In order to solve the above-mentioned problems, the present invention provides a gas-liquid contact system by jetting water in a substantially vertical direction like a waterfall and a cyclone in which a thin inner cylinder and an outer cylinder are arranged concentrically. It is intended to provide an air cleaning method and an air purifying apparatus which can perform gas-liquid separation satisfactorily and perform gas-liquid separation well. An object of the present invention is to provide an air purifying method and an air purifying apparatus that can be adapted to various uses by changing the air volume, the water volume, the number of nozzles, and the like irrespective of a small or large size.

[0010] It is an object of the present invention to provide an air purifying apparatus provided with a water supply tank free from water leaks or injection leaks. SUMMARY OF THE INVENTION It is an object of the present invention to provide an automatic water supply device in an air cleaning device that can always discharge clean air without erroneous water supply timing of a water tank.

[0011]

Means for Solving the Problems (First invention) The air cleaning method of the present invention generates clean air containing negative ions by miniaturizing water and bringing it into contact with air. Body and, when water is injected substantially directly below a plurality of nozzles arranged annularly on an upper part of an inner cylinder concentrically arranged with the cylinder, a tangential direction with respect to the cylinder of the cylinder The jetted water and air are brought into contact with each other, and the jetted water and air are caused to collide with a collision member provided almost immediately below while rotating the cylindrical body, thereby making the water finer, thereby converting the water into positive ions. Generating a fine water droplet mixed air composed of charged fine water droplets and negatively charged air ions around the water droplet,
When the mixed air of fine water droplets rises inside the inner cylinder, gas-liquid is separated and the mixed air of fine water droplets containing a large amount of negative ions having a relatively small particle diameter is discharged.

(Second invention) The air cleaning method of the present invention generates clean air containing negative ions by making water fine and contacting it with air. When injecting water almost directly below from a plurality of nozzles arranged annularly on the upper part of the inner cylinder body concentrically arranged with the body,
The jet water is brought into contact with the air sent tangentially to the cylinder of the cylindrical body, and the jet water and the air are caused to collide with a spiral collision member provided immediately below while rotating the cylindrical body. Then, by micronizing the water, to generate fine water droplets mixed air composed of fine water droplets charged to positive ions and air ions negatively charged around the water droplets, With the air, the surface of the water tank provided below is pressed down by the vortex, and the air containing the micronized water that protrudes from the surface of the vortex, and the fine water droplet mixed air that descends while rotating are mixed with the air. It is characterized in that gas and liquid are separated when ascending inside the cylinder, and clean air containing negative ions is released.

(Third invention) The air purifying apparatus of the present invention generates clean air containing negative ions by miniaturizing water and bringing it into contact with air, and comprises a water tank capable of supplying water from a water supply tank. A cylindrical body provided on the water tank, and an inner cylinder which is arranged so as to be concentric with the cylindrical body and has a length not reaching the water surface of the water tank and constitutes a gas-liquid contact portion. An annular water jetting unit, which is detachably attached to the tubular body, is attached to the inner tubular body, and has a plurality of nozzles and a water supply passage communicating with these nozzles, and water in the water tank. A pump for pumping water and supplying water to the water injection unit, and a blowing means for sending air in a tangential direction of the cylindrical body to make gas-liquid contact while rotating water injected from the nozzle in the cylindrical body. , With the water from the water injection section A gas-liquid contact unit that collides air with a collision member to generate fine water droplets composed of fine water droplets charged to positive ions and air ions negatively charged around the water droplets; A gas-liquid separation unit consisting of an inner cylinder that separates the gas and liquid in the mixed air with fine water droplets generated in the part and discharges the air with mixed ultrafine water droplets containing many negative ions with relatively small particle diameter It is characterized by being performed.

(Fourth invention) The air purifier of the present invention is characterized in that a spiral collision member is attached to the outer periphery of the inner cylinder.

(Fifth invention) The air purifier of the present invention is characterized in that a spiral plate having a hole in the center is attached to the inner periphery of the inner cylinder.

(Sixth Invention) The annular water injection section of the air purifying apparatus of the present invention is characterized in that at least the inner cylinder and the inner cylinder can be separated from the cylindrical body and the interior can be cleaned.

(Seventh invention) The air purifying apparatus of the present invention is characterized in that a water tank mounting stand and a water inlet are disposed between the water tank and the water tank.

(Eighth Invention) The air purifier of the present invention is characterized in that water supply prevention walls are provided on three sides of the water supply tank mounting table.

(Ninth Invention) The water tank in the air purifying apparatus of the present invention is characterized in that an upper limit water level detecting means for restricting water supply from a water supply tank is provided.

(Tenth invention) The water tank in the air purifying apparatus of the present invention is provided with a lower limit water level detecting means for detecting a water level which is a minimum of pushing down by the rotating jet water and the air. Features.

(Eleventh invention) At least one of water sterilizing means, heat exchanging means and temperature / humidity adjusting means is provided between a water tank and a water jetting part in the air purifying apparatus of the present invention. Features.

(Twelfth Invention) The air purifying apparatus of the present invention comprises:
0.5 m / sec to 50 m /
sec, air volume 3m ³ / min, pressure 0.2 near nozzle
Within 1 kg / cm ² to 3.5 kg / cm ² and an injection angle of 25 ° from the nozzle, a mist of 1 μm or less is suspended in the air discharge section, and negative ions are dispersed in 1.2 m ³ in 1 m ^3.
The number is 5 × 10 ⁹ or more.

(Thirteenth Invention) The air purifying apparatus of the present invention comprises:
After the water supply from the water supply tank to the water tank is completed, the water in the water tank is reduced to a certain amount or less and / or after a lapse of a predetermined time from the water supply, the water in the water tank is pumped into the water supply tank and the generation of negative ions is stopped at the same time. And

(14th invention) The air purifying apparatus of the present invention comprises:
It is characterized by different signals indicating when the release of the air mixture of ultra-fine water droplets in the air purifying device has been stopped and when the drainage of the wastewater into the water supply tank has been completed.

(Fifteenth Invention) The material constituting the gas-liquid contact part and the gas-liquid separation part in the air purifying apparatus of the present invention is characterized in that it is made of a member that does not generate static electricity.

(Sixteenth Invention) An air purifying apparatus of the present invention comprises:
It is characterized in that two or more units are provided.

(Seventeenth Invention) The water supply tank in the air purifying apparatus of the present invention has a water supply port having a bulging portion at one upper end, a drainage inlet provided at the center of the upper part, and a water supply port at the front. And a handle having an inward concave portion.

(Eighteenth Invention) The water supply tank in the air purifying apparatus of the present invention is characterized in that an upper limit water level line is provided.

(Nineteenth Invention) The air purifying apparatus of the present invention comprises:
A water tank that can supply water from a tap, a water injection unit that jets water pumped from the water tank through a plurality of nozzles, and water that is jetted from the nozzles is brought into contact with air in a cylindrical body to be charged with positive ions. Gas-liquid contact portion that generates mixed air of fine water droplets composed of fine water droplets and negatively charged air ions around the fine water droplets, and a relatively large particle diameter in the fine water droplet mixed air generated at the gas-liquid contact portion. A gas-liquid separation unit for separating mixed air containing ultra-fine water droplets containing a large amount of negative ions, and a timer for measuring an operation time of the air cleaning device, and an air cleaning device for a time set by the timer. A switch mechanism for stopping the operation of the device, a drain pump activated by stopping the switch mechanism, and detecting that water in the water tank has been exhausted, opening a water tap and opening the water tank. Water, and characterized by comprising the automatic control mechanism and an electromagnetic valve that closes by detecting the upper limit level of the water tank.

[0030]

BEST MODE FOR CARRYING OUT THE INVENTION (First Invention) In the air cleaning method of the first invention, a plurality of nozzles arranged in an annular shape at the upper part of a tubular body spray the jet water substantially directly below. Further, the air is sent in a tangential direction to the cylindrical body, comes into contact with the jet water, and falls together with the water while rotating in the cylindrical body. Since the collision member is provided below the nozzle, the mixture of water and air collides with the collision member, and the water repeatedly collides with the collision member. The particle size of the water after the collision is reduced to, for example, 1 μm to 0.5 μm or less, so that fine water droplets composed of fine water droplets charged to positive ions and air ions negatively charged around the water droplets It becomes mixed air.

Hereinafter, in the present specification, the “fine water droplet mixed air” is defined as being composed of fine water droplets charged to positive ions and air ions negatively charged around the water droplets. The speed at which the water jetted from the nozzle collides with the collision member is, for example, 0.5 m / sec to 5 m / sec.
0 m / sec.

The air mixed with fine water droplets adheres to the small dust particles, odors, bacteria, etc., and is washed away with water. As the remaining fine water droplet mixed air rises inside the inner cylinder, the negatively charged air ions existing around the water droplets charged to positive ions are separated and relatively dispersed. Ultra-fine water droplets containing a large amount of small diameter negative ions are released to the outside as mixed air. Hereinafter, in the present specification, `` ultra-fine water droplet mixed air '' means that negatively charged air ions existing around water droplets charged to positive ions are separated, and the particle size is relatively small. Defined as containing a large amount of negative ions.

That is, the air mixed with ultra-fine water droplets containing a large amount of negative ions having a relatively small particle size is discharged to the outside, and the fine water droplets charged with positive ions having a relatively large particle size pass through the inner cylinder. By adhering to the side wall, gas-liquid is separated. The particle size of water droplets in the air mixture of fine water droplets is about 1 μm or less, and the particle size of water droplets in the air mixture of ultrafine water droplets is about 0.5 μm or less. The number of negative ions at that time was about 1.25 × 10 ⁹ / m ³ .

The first invention not only removes dust, smells, bacteria, etc., but also activates the human body by generating clean air containing a large amount of negative ions as in the vicinity of a waterfall. ,
It has good effects on mental effects. The gas-liquid contact part and the gas-liquid separation part are housed in a concentric cylindrical body, and water is jetted by a plurality of nozzles arranged annularly on the upper part of the cylindrical body, so that large and small The design of the negative ion device can be arbitrarily changed depending on the capacity of the blower and the pump, the number of nozzles, and the like. The ultrafine water-droplet mixed air containing a large amount of negative ions has a relatively high humidity (for example, a relative humidity of 60%) due to its fine particles.
Not very sticky.

(Second Invention) In the second invention, a plurality of nozzles arranged in a ring at the upper part of the cylindrical body spray the jet water substantially immediately below. Further, the air is sent in a tangential direction to the cylindrical body, comes into contact with the jet water, and falls together with the water while rotating in the cylindrical body. Further, the jet water and the air collide with a spiral collision member provided in the cylindrical body, so that the water is made fine while rotating at a high speed, and becomes fine water droplet mixed air.

Thereafter, the air mixed with fine water droplets rotating at a high speed is pushed downward while forming a vortex on the surface of a water tank provided below. The air containing fine water droplets coming out of the surface of the vortexing water and the air mixture of fine water droplets are separated from each other by gas-liquid separation while ascending the inner cylindrical body of the cylindrical body. At the same time, water droplets having a relatively large particle diameter fall, and air mixed with ultrafine water droplets containing many negative ions having a relatively small particle diameter is discharged to the outside.

(Third invention) A third invention is an air purifying device that generates negative ions when water is miniaturized, and a water tank that can be supplied with water from a water tank, and a cylindrical body provided on the water tank. And an inner cylinder that is attached to the cylinder and has a length that does not reach the water surface of the water tank, and that constitutes a gas-liquid contact portion that is arranged concentrically with the cylinder. ing. An annular water jetting unit that jets water pumped from the water tank by a pump is detachably attached to the cylindrical body. Further, the annular water jet unit is provided with a plurality of nozzles connected by an annular water channel.

The air blowing means sends air from a tangential direction of the cylindrical body in order to make gas-liquid contact while rotating water jetted from the nozzle in the cylindrical body. In the gas-liquid contact portion, the collision member attached to the inner cylinder body collides with the jet water by applying air force to the water. The water containing air becomes fine water droplet mixed air composed of fine water droplets charged to positive ions and air ions negatively charged around the fine water droplets.

Dust and smell sucked by the blowing means
Bacteria and the like are caused to flow downward in the gas-liquid contact section together with the relatively heavy ones in the air mixture of fine water droplets. When the remaining fine water droplet mixed air rises up the inner cylinder, the negatively charged air ions existing around the water droplets charged with positive ions are separated, and the particle diameter is relatively small. Ultrafine water-droplet mixed air containing many negative ions is released to the outside.

(Fourth Invention) In the fourth invention, a spiral collision member is attached to the outer periphery of the inner cylinder. Spiral impact members come into contact with air and micronized water,
The rotational movement in the gas-liquid contact portion is made even faster.
Therefore, water containing air is
The water collides with the spiral collision member while performing a high-speed rotation motion, and simultaneously the water collides with each other. for that reason,
The water containing air becomes fine water droplet mixed air composed of fine water droplets that are finely divided and charged to positive ions, and air ions that are negatively charged around the fine water droplets.

(Fifth invention) In the fifth invention, the gas containing relatively small water after dust, odor, bacteria and the like have fallen into the water tank together with water is transferred to the spiral plate provided on the inner periphery of the inner cylinder. collide. Then, the relatively small water droplets fall into a water tank, and further, the ultrafine water droplet mixed air composed of water droplets having a small particle diameter is discharged upward from a hole formed in the center of the spiral plate. Above the inner cylinder, a water-stop plate that is annular and protrudes inclining downward is provided as necessary. This water stop plate is composed of a gas containing water, which rises while rotating along the side of the inner cylinder, collides with this part, and only water falls into the water tank, and contains ultra-light particles containing negative ions of small diameter. Air mixed with fine water droplets is discharged to the outside.

(Sixth Invention) The annular water injection portion in the sixth invention is detachably fixed to the cylindrical body and the inner cylindrical body by fixing means. For example, by simply removing the fixing means such as a screw, the tubular body and the annular water jet unit attached to the inner tubular body can be separated. Therefore, the inside of the cylindrical body can be cleaned with a brush or the like. Also,
The water jetting section can be separated from the inner cylinder and the upper lid can be removed, so that the nozzle, the inner cylinder, and the like can be easily cleaned.

(Seventh invention) In the seventh invention, first, the water supply tank is tilted and water is poured into the water tank from the water inlet, and then the water supply tank is placed on the water tank mounting table / water inlet. In such a system, since there is no need to provide a valve at the bottom of the water supply tank, water drops do not drop during water supply or transportation.

(Eighth Invention) In the eighth invention, water-supply prevention walls are provided on three sides of the water supply tank mounting table. In the present invention, since no valve is provided below the water supply tank, the water supply tank is tilted to supply water from the water inlet. At that time, if the water supply tank is suddenly inclined, the water inside will rush vigorously, but water will not enter the air purifying device due to the above-mentioned wall for preventing water splash. In addition, the water that collides with the
It does not enter the water tank through the water inlet and contaminates the area around the air purifier.

(Ninth Invention) According to the ninth invention, if water is supplied only when the supply of water is instructed by the display means provided in the air cleaning device, the means for detecting the upper limit water level of the water tank becomes unnecessary. However, when water is added to the water tank by the water supply tank, the water in the water tank may overflow. For this purpose, an upper limit water level detecting means for restricting the water supply from the water supply tank is provided. The upper limit water level detecting means may be either a mechanical detecting means such as a float or an electric detecting means comprising a semiconductor element or the like.

(Tenth invention) A tenth invention is for detecting the minimum pushing down by the jet water and the air whose surface of the water tank is rotating. Since the water level of the water tank varies depending on the capacity of the blowing means, a minimum water level detecting means is required.

(Eleventh Invention) The eleventh invention is required depending on the use of the air cleaning device. For example,
An air purifier used in a hospital requires a water sterilizing means, for example, a sterilizing means such as an ultraviolet light and a hollow fiber membrane filter. When used in a room or a greenhouse where temperature and humidity are to be adjusted, heat exchange means and temperature and humidity adjustment means are required.

(Twelfth invention) According to a twelfth invention, as minimum conditions for generating negative ions, the wind force from the blowing means is set to 0.5 m / sec to 50 m / sec, the air volume is set to 3 m ³ / min, 0.2 kg of pressure near the nozzle
/ Cm ² to 3.5 kg / cm ^2, and the injection angle from the nozzle is within 25 degrees. In the vicinity of the air discharge section in such an air purifying device, a mist of 1 μm or less is suspended, and negative ions are 1.25 × 10 ^{9 in} 1 m ^3.
More than one.

(Thirteenth Invention) In the thirteenth invention, a valve is not provided at the bottom of the water supply tank, so that the water supply timing is notified. For example, the water supply time according to the present invention is such that after water is supplied from the water supply tank to the water tank, the water in the water tank is equal to or less than a predetermined amount and / or after a predetermined time has elapsed from the water supply. After stopping the generation of negative ions, the water in the water tank is pumped into the water supply tank. By doing so, the water in the water tank can be kept fresh as designed.

(14th invention) In the 14th invention, when the generation of negative ions in the air purifying device is stopped and when the drainage of the water supply tank is finished, different signals are notified. In this way, the air purifying device can know the water supply timing without paying much attention.

(Fifteenth Invention) The cylindrical body, the inner cylindrical body, the collision member, the spiral plate and the like according to the fifteenth invention are made of a member which does not generate static electricity, or a member which does not generate static electricity is coated on the surface thereof. You. The fifteenth invention is
Negative ions generated by the waterfall effect are not canceled by positive ions generated by static electricity. Examples of the member that does not generate static electricity include, for example, all or one of metals such as vinyl chloride resin, acrylonitrile, butadiene, styrene resin (ABS resin), aluminum, copper, an alloy thereof, or a metal material that does not rust. Can be used for department.

(Sixteenth Invention) In the sixteenth invention, two or more air cleaning devices are provided. That is, by providing a large number of air purifying devices, it is possible to generate air having a desired capacity and containing a large amount of negative ions.

(Seventeenth Invention) In the seventeenth invention, a swelling portion is provided at one of the water supply ports of the water supply tank. The bulging portion prevents unnecessary water drops from dropping during water supply. A drainage inlet is provided in the upper center of the water supply tank. The drainage left in the aquarium is pumped up by a drainage pump,
Water is injected into the water supply tank from the drainage inlet. The handle is provided in an inward concave portion on the front surface of the water supply tank. The seventeenth invention facilitates water supply and drainage of a water supply tank,
Try not to circulate dirty water.

(Eighteenth Invention) In the eighteenth invention, an upper limit water level line of the water supply is provided in the water supply tank. The water tank is
Since the water supply port and the water supply / drainage port are provided, when the water is full, water flows out from both ports. In order to prevent this, an upper limit water line is provided so that the upper limit of the water supply can be determined. Since the water supply tank is generally made of a translucent member, if the upper limit water line is provided, it is possible to supply water by comparing the amount of supplied water with the above upper water mark. it can.

(Nineteenth Invention) In the air purifying apparatus of the nineteenth invention, water is always circulated through a water tank, a water injection unit, a gas-liquid contact unit, a gas-liquid separation unit, and a water tank. In the operation of the air purifying device, the timer measures the accumulated time since the new water was replaced. When the accumulated time by the timer reaches a preset time, the switch mechanism operates to stop the operation of the air cleaning device. Simultaneously with the stop of the switch mechanism, the drain pump is started. The drain pump pumps up all the water in the water tank.

The automatic control mechanism detects that the water in the water tank has run out, and operates an electromagnetic valve for opening the tap to supply water into the water tank. The upper limit water level gauge of the water tank detects that the water in the water tank has reached a predetermined water level, and operates an electromagnetic valve to close the tap. Since such an automatic control mechanism can always keep the water in the water tank fresh, even if the sterilizing section is omitted depending on the installation location of the air purifying device, it is possible to discharge air containing a large amount of clean negative ions. .

[0057]

FIG. 1 is a front view for explaining an air purifying apparatus according to an embodiment of the present invention. FIG. 2 is an enlarged view of the water injection section in FIG. 1 and is a view as viewed from FIG. 3II-II.
FIG. 3 is a top view of the water injection unit of FIG. FIG. 4 shows I in FIG.
It is the side view seen from V-IV. FIG. 5 is a top view as seen from VV in FIG. FIG. 6 is a top view as seen from VI-VI in FIG.

Referring to FIGS. 1 to 6, an air cleaning apparatus includes a housing 11, a gas-liquid contact portion 12 for bringing water and air into contact with each other to remove dust, odor, bacteria, etc., and a gas containing liquid and negative ions. A gas-liquid separation unit 13 for separating water, a water injection unit 14 for injecting water, a blower 15 for sucking outside air and sending air to a gas-liquid contact unit 12, and water for removing dust, odor, bacteria, etc. An aquarium 16 for storage and dust removed by water,
A sterilizing unit 17 for removing odors, bacteria, etc., a silencer 18 for removing the sound of mixed air containing ultrafine water droplets containing negative ions, and a water supply tank 19 for supplying water to the water tank 16 or draining dirty water. (See FIG. 7 to be described later), and a power supply system of the air cleaning device or a control device for controlling water management.

The housing 11 is, for example, a box made of plastic or the like, and a part of the housing 11 can be made transparent so that the state in which water is jetted from the water jetting unit 14 can be seen through. When the jet water from the water jet unit 14 is visible, a refreshing feeling can be obtained. The housing 11 can also expose the silencer 18 to the outside. Further, a door (not shown) for taking in / out the air inlet 151 and the water supply tank 19 may be provided on the same front side.

The gas-liquid contact portion 12 includes an outer cylinder 121 connected to the water tank 16, an inner cylinder 131 which is arranged concentrically with the outer cylinder 121 and forms the gas-liquid separator 13, and an inner cylinder 131. Collision plate 1 spirally attached to the outer periphery of tube 131
22. The gas-liquid separation unit 13 has an opening 1 at a central portion provided around the inside below the inner cylinder 131.
It comprises a spiral plate 132 having a 33, and a water stop plate 134 provided so as to be inclined downward and protrude to the inner periphery above the inner cylinder 131. The water stop plate 1
The portion 34 is provided with a portion to be fitted to the inner cylinder 131, and is easily removed when cleaning.

The outer cylinder 121, the inner cylinder 131, the collision plate 1
22, the spiral plate 132 and the water blocking plate 134 are made of a member that does not generate static electricity, or are coated with a member that does not generate static electricity. Examples of the member that does not generate static electricity include, for example, vinyl chloride resin, acrylonitrile, butadiene, styrene resin (ABS resin), aluminum, copper, an alloy thereof, or a metal member that does not rust. Can be used.

In FIG. 2 and FIG. 3, a nozzle 1 having an injection port 142 is provided above an outer cylinder 121 and an inner cylinder 131 arranged concentrically with the outer cylinder 121.
41 is, for example, an annular mounting plate 143 to which eight are mounted.
Is attached. At the center of the annular mounting plate 143, an annular water supply hole 144 for sending water to each nozzle 141 is provided. On the upper part of the annular mounting plate 143, an annular lid member 145 configured to connect a water supply pipe 148 for supplying water to one location is provided with a plurality of first fixing means 1.
Attached by 46.

The annular mounting plate 143 is connected to the outer cylinder 12.
It is attached by one and a plurality of second fixing means 142 '. Further, the annular mounting plate 143 is mounted on the inner cylinder 131 by third fixing means (not shown) as necessary. The first fixing means 146 and the second fixing means 142 'can be screwed for easy attachment and detachment, and the third fixing means can be non-removable or detachable. With such a structure, the annular mounting plate 143 to which the nozzle 141 is mounted, the inner cylinder 131, and the like can be easily removed, so that dust, odor, bacteria, and the like adhering to them can be easily cleaned.

The speed of the jet water jetted from the nozzle 141 is, for example, 0.5 m / sec to 50 m / sec.
c. The pressure injected from the nozzle 141 is in the vicinity of 0.3 kg / cm ² to 5.5 kg.
/ Cm ² . The blower 15 is blown below the nozzle 141 in the gas-liquid contact portion 12, for example, in order to suck air in the room and remove dust, odor, bacteria and the like in the air.

The blower 15 includes an air inlet 151, a motor 152, blades (not shown),
And a blowing guide 154 (see FIG. 3). A blow guide 154 is provided in the tangential direction of the outer cylinder 121 so that the wind of the blower 15 can efficiently contact the jet water from the nozzle 141 in the gas-liquid contact section 12. The wind of the blower 15 comes into contact with the jet water of the nozzle 141 and drops water while rotating around the inner cylinder 131. As the blower 15, 40 mm / aq (water
When a column having a pressure of mm is used, the amount of pushing down the surface of the water tank 16 while rotating the gas-liquid contact portion 12 is about 40 mm.

The water tank 16 is provided with an upper limit water level meter 161 for preventing water from overflowing from the water tank 16 at the time of water supply, a lower limit water level meter 162 determined by pushing down the water surface by rotation of gas-liquid at the gas-liquid contact portion 12, and The water supply pipe 163 guides water to a pump 164 that supplies water to the injection unit 14, and a drain port 165. The bottom of the water tank 16 has an inclined bottom 1
69 (see FIG. 7), and the drain port 165 is at the lowest position. The drain port 165 is connected to the drain pipe 166.
And a drain pump 167 connected to the drain pipe 166, and drainage pumped by the drain pump 167 to the water supply tank 1.
9 is connected to a pumping pipe 168 for returning to the position 9. In addition,
The pumping tube 168 is not partially shown in FIGS. 1 and 4. And the water supply tank 1 in FIG.
9 is connected to the upper part.

The sterilizing section 17 includes a waterproof sterilizing lamp 172 made of ultraviolet light or the like and / or a hollow fiber membrane filter 173.
It is composed of The water in the water tank 16 is filled with a water pipe 163.
, And is pumped by a pump 164. The pumped water enters the water pipe 171 and is sterilized when passing around the germicidal lamp 172. Thereafter, the pumped water enters from the top of the hollow fiber membrane filter 173 and is supplied to the water injection unit 14 from an outlet 148 (see FIGS. 5 and 6) at the bottom.

The silencer 18 reduces the noise of rising clean gas having negative ions while rotating the gas-liquid separation unit 13.
A lower chamber 183 partitioned by a vertical plate 181 and a second vertical plate 182 having the other side wall as a passage;
Upper room 1 partitioned by a top plate provided at the top of 83
84 and a discharge port 185. The air that has flowed out of the gas-liquid separator 13 passes through the first vertical plate 181 and the second vertical plate 182 in a meandering manner, then rises vertically, and is discharged from the narrowed discharge port 185. Decrease the sound.

FIG. 7 is an enlarged view of the water supply tank shown in FIG. In FIG. 7, a water supply tank 19 has a water supply port 191, a water supply and drainage port 192 at an upper part, and an upper limit water level line 1.
93 and a handle 194. Water inlet 19
1 is provided at the center of the upper end of the water supply tank 19, and has a bulge 195 on the side and a protrusion 196 around the water supply port 191 to prevent water drops from overflowing. I have. The water supply / drain port 192 is provided with an annular protrusion 197.
Are provided to facilitate the injection and supply of wastewater. The upper limit water level line 193 limits the amount of water supply. When water is supplied above this line, when water is supplied from the water supply port 191 to the water tank 16, the water is prevented from flowing out from the water supply / drain port 192. Things.

The handle 194 is shaped so as to be buried inside the water supply tank 19 and easily housed in the housing 11. Therefore, the water supply tank 19 is
For example, after the tap water is supplied from the water supply / drain port 192 with the tap 4, the tap water is transported to the air cleaning device. After opening the door (not shown) of the housing 11 with the other hand,
By tilting the water supply tank 19, water is injected from the water supply port 191 of the water supply tank 19 to the water injection port 20 of the housing 11 main body.

The water supply tank mounting portion 202 is composed of a water inlet 20 composed of a net 201 (see FIG. 5) for preventing dust from entering and a support portion for the water supply tank 19. Further, three sides of the water supply tank mounting portion 202 are surrounded by a water splash prevention portion 203 for preventing water from scattering at the time of water supply.

The power supply or control circuit of the blower 15, the pump 164, the drain pump 167, and the like, the control of the water level of the water tank 16, the detection of the presence or absence of the water supply tank 19, and the like are stored in the control equipment storage section 21 shown in FIG. Equipment to perform is stored. For example, the control circuit includes an upper limit water level meter 161 including a float, an infrared detector, a semiconductor detector, and the like.
Alternatively, a water level is detected by the lower limit water level gauge 162 and displayed on a display unit including a lamp 343 (see FIG. 8) or the like that notifies the necessity of water supply.

When the water level in the water tank 16 falls below a certain level, the control circuit turns on or flashes the lamp 343, emits a buzzer sound, etc.
5 is stopped, and the drain pump 167 is started. When all the water in the water tank 16 is pumped by the drain pump 167, the control circuit causes the display unit to display an instruction to supply new water to the water supply tank 19. In addition, the control circuit promotes replacement of new water when a certain period of use or a period of time including nonuse has been exceeded, in order to prevent circulation of old water for a long period of time when water evaporation is low. The signal can be displayed on the display unit.

Next, the air cleaning device will be described with reference to FIG. The water in the water tank 16 is removed by the pump 164 while passing through the water supply pipe 171 to remove bacteria and the like, and further passes through the hollow fiber membrane filter 173 to become clean water and reaches the water jetting unit 14. The water that has entered the water injection unit 14 is supplied to eight nozzles 141 from the annular water supply hole 144. Each nozzle 141 injects water substantially directly below at an angle of, for example, 25 degrees. For example, the ejection diameter of one nozzle 141 is 2.8 mm, and the ejection pressure is 0.3 kg / c.
m ² , the injection amount of water is 2.5 l / min.
That is, when eight nozzles 141 are provided, the water injection unit 14 injects 20 liters of water per minute.

On the other hand, the blower 15 sends air to the air intake 1
51, and is sent from the tangential direction to the gas-liquid contact portion 12 according to the air guide 154 (see FIG. 3). The air blown in the tangential direction contacts the jet water from each nozzle 141 and proceeds downward while rotating in the space formed by the outer cylinder 121 and the inner cylinder 131. The blowing guide 154
And the ejection angle of the nozzle 141 are associated with each other. In other words, the more suitable the spray angle is, the more the contact between the air from the blower 15 and the spray water can be maximized.

The air and the spray water collide with the spiral collision plate 122 attached around the inner cylinder 131, and the rotational force is further increased. The collision between the air and the jet water and / or the collision between the air and the jet water and the collision plate 122 is as follows.
The fine water droplets are made into fine air mixed with fine water droplets charged into positive ions by atomizing water and air ions negatively charged around the fine water droplets. The mixed air of fine water droplets having the increased rotational force pushes down the water surface of the water tank 16 while swirling.
The height at which the water surface is pushed down is close to the value of the blown air from the blower 15. For example, the blowing amount of the blower 15 is set to 40 mm
/ Aq, the height to push down the water surface is about 40m
m.

The air mixed with fine water droplets having the increased rotational force is:
Since the water comes into contact with the water surface of the water tank 16 by a large amount of energy of rotation, fine water mixed air composed of air and water is also generated here. Then, the rotating fine water droplet mixed air rises in the inner cylinder 131 arranged at the center. However, the water droplets containing the relatively large particles of the positive ions are distributed to the opening 1 attached around the inner cylinder 131.
Colliding with a spiral plate 132 having
To fall. The air mixed with ultrafine water droplets containing many small negative ions and light particles passes through the opening 133 of the spiral plate 132 and rises while rotating.

Further, among the super-fine water-droplet mixed air rising while rotating inside the inner cylinder 131, the heavy one is
When it comes into contact with the inner periphery of the spiral plate 132, the droplets fall into the water tank 16 from the opening 133 of the spiral plate 132 below. Furthermore, since the water stop plate 134 is attached to the uppermost part of the inner cylinder 131 so as to protrude downward, relatively large water droplets that travel along the periphery of the inner cylinder 131 while rotating and rise are removed from the water tank 16. To fall. Then, the ultrafine water droplet mixed air containing many negative ions having the smallest particle size is supplied to the inner cylinder 131.
Is sent out from.

The mixed air of fine water droplets and the mixed air of ultra-fine water droplets make noise when they go outside because they are rotating. Therefore, the air purifying device can be provided with a silencer 18 as an integral unit or a separate unit as necessary.
In the silencer 18, the ultra-fine water-droplet mixed air that has risen from the inner cylinder 131 is, for example, in the lower chamber 1
83, passes through one side of the first vertical plate 181 and then passes through the other side of the second vertical plate 182. Further, the ultrafine water-droplet mixed air passes between the top plates and enters the upper chamber 184, and then is discharged from the discharge port 185 to the outside. The air mixed with ultra-fine water droplets passes through a narrow part from a large room like the above-mentioned path and then diffuses in a large room, thereby reducing sound.

In FIG. 7, the water supply tank 19 is supplied with water from a water supply / drain port 192 up to an upper limit water level line 193. The water supply tank 19 has a handle 194 and lowers the water supply port 191 to supply water from the net 201 (see FIG. 5) to the water tank 16. At the time of water supply, the upper limit water level meter 161 indicates the upper limit water level 16
1 'is detected, and more water than necessary is replenished.
To prevent overflow. The lower limit water level meter 162 monitors the lower limit water level 162 'so that the bottom of the water tank 16 is not exposed and the gas-liquid contact is not reduced by pushing down the surface of the water tank 16 due to the rotation of air and water.

As described above, the water in the water tank 16 circulates through the water conduit 163-the water supply pipe 171-the hollow fiber membrane filter 173-the water jetting part 14-the gas-liquid contact part 12-the water tank 16. When the water in the water tank 16 becomes equal to or lower than a predetermined value as detected by the lower limit water level gauge 162, the drain pump 167 is activated and the blower 15 and the pump 164 are stopped at the same time.
The water left in the water tank 16 is dust, odor, bacteria, etc.
72 and those not removed by the hollow fiber membrane filter 173 are also included. However, the water left in the water tank 16 is pumped by the drain pump 167 from the water supply / drain port 192 of the water supply tank 19 to the water supply tank via the water pumping pipe 168.

In the above-described sequence, after the air purifying apparatus of the present invention has been operated for a certain period of time, the operation can be stopped to drain water. In such a case, the air purifying apparatus frequently changes the water in the water tank 16 so that the germicidal lamp 17 is replaced.
2 and the hollow fiber membrane filter 173 can be omitted. Furthermore, the air purifying device of the present invention can be provided with a heat exchanger and / or a humidity adjusting device in a water circulation path. In this way, when the heat exchanger and / or the humidity control device is disposed in the water path, the air discharged from the air purifying device can control the temperature and / or humidity as desired, so that it can be used for a wide range of applications. Will be possible.

FIG. 8 is a conceptual diagram for explaining an automatic water supply apparatus according to an embodiment of the present invention. In FIG. 8, the tap 31 is normally open and connected to the water tank 16 via a solenoid valve 33 by a hose 32 having high pressure resistance and high water resistance. The solenoid valve 33 is opened and closed at an arbitrary set time by the automatic water supply / drain controller 34. The automatic water supply / drainage controller 34 includes a switch 34
1, a timer 342 that can set a time for replacing water in the water tank 16, and at least one display lamp 343. The drainage pump 35 is, for example, a waterproof type, is disposed in the water tank 16, and is activated when the time set by the timer 342 is reached, and the inclined bottom 169 of the water tank 16 is started.
Stop when there is no more water at the lowest point.

For example, the drainage pump 35 can monitor its torque by the automatic water supply / drainage controller 34, and can stop its operation when the water runs out and the torque decreases. For example, the air purifier can set the timer 342 to 12 hours, or 24 hours, and so on.

The automatic water supply / drainage device having the above-described configuration is provided with a switch 3
When 41 is inserted, the electromagnetic valve 33 is activated, and water is supplied from the water tap 31 to the water tank 16 through the hose 32. When the water level of the water tank 16 is detected by the upper limit water level meter 161,
The automatic water supply / drain controller 34 closes the solenoid valve 33,
Stop supplying tap water. Automatic plumbing controller 3
No. 4 starts the measurement from the time when the water supply ends and the air cleaning device operates. The automatic water supply / drain controller 34 detects the preset time, thereby terminating the operation of the air cleaning device and operating the drain pump 35 at the same time.

[0086] The drainage by the drainage pump 35 is
Through the drain to the drain. The drainage pipe 36 may be provided with a drainage tank 19 'at a lower portion thereof, and drainage may be performed if necessary. Either of the air purifying devices can be selected depending on drainage equipment. In this manner, when automatic water supply and drainage is possible, it is not necessary to supply water to the water tank and drainage every predetermined time, so that it is possible to discharge the air containing no negative ions and clean neat ions. Therefore, the air purifier equipped with the automatic water supply and drainage device,
A filtering device such as a germicidal lamp or a hollow fiber membrane filter becomes unnecessary.

The air purifying device of the present invention is effective not only for removing dust, odor, bacteria and the like, but also for making each organ of the body work normally and for calming the autonomic nerves. Therefore,
Negative ions generated from the air purifier of the present invention dilate blood vessels, make blood more alkaline, and stabilize blood pressure and blood sediment in a normal state.

Negative ions generated from the air purifier of the present invention normalize blood serum (Ca, K), blood sugar level, blood coagulation ability, white blood cells, and the like. Negative ions generated from the air purifier of the present invention stabilize functions or recover from fatigue in order to improve lung and heart functions. further,
Negative ions generated from the air purifying device of the present invention have the effect of strengthening bones, or promoting diuretic action and eliminating constipation. Negative ions generated from the air purifying device of the present invention can be applied to stabilization of autonomic nerves in addition to the above-mentioned effects.

Since the air purifying apparatus of the present invention has the above-described functions, for example, operating rooms, hospital rooms, or other rooms in hospitals, nursing homes, food manufacturing factories, precision machine manufacturing factories (laboratory) It is effective to arrange them in a semiconductor manufacturing factory (laboratory) or the like. In addition, since the air purifying device of the present invention has the above-described operation, the office,
It is good to install in study room, reading room, relaxation room, rest room, coffee room, meditation room, etc. Further, when the air purifying device of the present invention is installed in a place where irritation is likely to occur, it is helpful to soften the atmosphere of the place.

Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments. And
The present invention is capable of various design changes without departing from the scope of the claims. Although the components, materials, and their mounting structures in the present embodiment are not described in detail, well-known or known components or means can be employed.

Although the motor, power supply, and control circuit in this embodiment are not described in detail, those conventionally used can be employed, and an abnormality alarm,
A drain lamp or the like can be added. The shape of the casing and the size of the outer cylinder and the inner cylinder in the present embodiment, when the generation of negative ions and gas-liquid separation are possible,
It goes without saying that it can be slightly deformed.

[0092]

According to the present invention, a large to small air purifier can be easily obtained only by changing the number of nozzles, the capacity of a blower or a pump, and the diameters of an outer cylinder and an inner cylinder.

According to the present invention, water is ejected from the annularly arranged nozzles while rotating them against the collision member provided almost immediately below, so that the rotational force is increased at the gas-liquid contact portion, or the vortex generated by rotation on the surface of the water tank is rotated. By using the method described above, it is possible to generate air mixed with ultrafine water droplets containing a large amount of negative ions.

According to the present invention, the annular water jetting portion has a structure in which this portion and the inner cylinder can be easily attached and detached.

According to the present invention, since the shape of the water supply tank is made as in the present embodiment and the upper limit water level line is provided, water drops do not drop at the time of water supply, and water supply and drainage become convenient.

According to the present invention, the provision of the automatic water supply / drainage device eliminates the need for water supply / drainage and prevents the time of drainage from being mistaken.

[Brief description of the drawings]

FIG. 1 is a front view illustrating an air cleaning device according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a water injection unit in FIG. 1, and FIG. 3II-I.
It is the figure seen from I.

FIG. 3 is a top view of the water injection unit of FIG. 1;

FIG. 4 is a side view as viewed from IV-IV in FIG. 1;

FIG. 5 is a top view as viewed from VV in FIG. 1;

FIG. 6 is a top view as viewed from VI-VI in FIG. 1;

FIG. 7 is an enlarged drawing of a water supply tank section of FIG. 4;

FIG. 8 is a conceptual diagram illustrating an automatic water supply apparatus according to an embodiment of the present invention.

FIG. 9 is a conceptual cross-sectional view illustrating a conventional air cleaning device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Housing 12 ... Gas-liquid contact part 121 ... Outer cylinder 122 ... Collision plate 13 ... Gas-liquid separation part 131 ... Inner cylinder 132 ... Spiral plate 133 ... Opening 134 ... Water stopping Plate 14 ・ ・ ・ Water injection part 141 ・ ・ Nozzle 142 ・ ・ Injection port 143 ・ ・ Circular mounting plate 144 ・ ・ Circular water supply hole 145 ・ ・ Circular lid member 148 ・ ・ Water pipe 15 ・ ・ ・ Blower 151 ・ ・ Air intake Inlet 152 ··· Motor 153 ··· Blow port 154 ··· Blowing guide 16 ··· Water tank 17 ··· Sterilizer 18 ··· Silencer 19 ··· Water supply tank

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3L055 AA07 AA10 BB02 DA02 DA03 DA04 DA06 DA09 DA11 DA13 4C094 DD09 DD40 EE03 EE06 EE40 FF09 FF18 GG03 4D032 AC03 AC09 AC39 BA03 BA06 BB01 BB17 BB18 CA01 CA03 CA10

Claims (19)

[Claims] 1. An air cleaning method for generating clean air containing negative ions by making water fine and bringing it into contact with air, comprising: a cylindrical body; and an inner cylinder arranged concentrically with the cylindrical body. When injecting water substantially directly below from a plurality of nozzles arranged in an annular shape on the upper part of the body, the jet water is brought into contact with air sent tangentially to the cylinder of the tubular body, By rotating air and the inside of the cylindrical body to collide with a collision member provided substantially underneath to make water fine, fine water droplets charged to positive ions and air negatively charged around the water droplets Ultra-fine water droplets containing a large amount of relatively small particle-negative ions are separated when the fine water droplet-mixed air rises inside the inner cylinder when the fine water droplet-mixed air rises inside the inner cylinder. Air characterized by discharging mixed air Cleaning method. 2. An air cleaning method for generating clean air containing negative ions by miniaturizing water and bringing it into contact with air, comprising: a tubular member; and an inner tube disposed concentrically with the tubular member. When injecting water substantially directly below from a plurality of nozzles arranged in an annular shape on the upper part of the body, the jet water is brought into contact with air sent tangentially to the cylinder of the cylindrical body, and While rotating the air with the inside of the cylindrical body, it collides with a spiral collision member provided almost directly below, thereby making the water finer, so that fine water droplets charged to positive ions and negative water around the water droplets Then, a mixture of air droplets is generated, and the surface of a water tank provided below is pressed down by a vortex by the rotating jet water and air, and the fine particles that fly out of the surface of the vortex are generated. Air containing liquefied water,
And the fine water droplet mixed air that has come down while rotating rises inside the inner cylinder, separates gas and liquid, and releases clean air containing negative ions. Method. 3. An air purifying apparatus for generating clean air containing negative ions by making water fine and bringing it into contact with air, a water tank capable of supplying water from a water supply tank, and a cylinder provided on the water tank. A tubular body, an inner tubular body disposed concentrically with the tubular body and having a length that does not reach the water surface of the water tank to form a gas-liquid contact portion, and detachable from the tubular body. A ring-shaped water injection unit provided with a plurality of nozzles and a water supply passage communicating with these nozzles, attached to the inner cylinder, and pumping water from the water tank to supply water to the water injection unit. A pump for supplying, a blowing means for sending air in a tangential direction of the cylindrical body to make gas-liquid contact while rotating water injected from the nozzle in the cylindrical body, Collision part with air A gas-liquid contact portion for generating fine water droplet mixed air composed of fine water droplets charged to positive ions and air ions negatively charged around the water droplets, and fine particles generated in the gas-liquid contact portion. A gas-liquid separation unit consisting of an inner cylinder that separates gas and liquid in the water-mixed air and discharges ultra-fine water-mixed air containing a large amount of negative ions with a relatively small particle size. Characterized air purifier. 4. The air cleaning device according to claim 3, wherein a spiral collision member is attached to an outer periphery of the inner cylinder. 5. The air purifying apparatus according to claim 3, wherein a spiral plate having a hole in the center is attached to an inner periphery of the inner cylindrical body. 6. The air purifying apparatus according to claim 3, wherein the annular water injection section can be separated from the cylindrical body at least with the inner cylindrical body, and the inside can be cleaned. 7. The air purifying apparatus according to claim 3, wherein a water supply tank mounting table and a water injection port are arranged between the water supply tank and the water tank. 8. The air purifying apparatus according to claim 3, wherein walls for preventing water splash are provided on three sides of the water supply tank mounting table. 9. The air purifying apparatus according to claim 3, wherein the water tank is provided with an upper limit water level detecting means for restricting water supply from the water supply tank. 10. The water tank is provided with a lower limit water level detecting means for detecting a water level which is a lower limit of pushing down by the rotating jet water and air. An air purifying apparatus according to claim 9. 11. The apparatus according to claim 3, wherein at least one of a water sterilizing unit, a heat exchanging unit, and a temperature / humidity adjusting unit is provided between the water tank and the water spraying unit. An air purifying apparatus according to claim 10. 12. The blowing air from the blowing means is 0.5 m /
sec to 50 m / sec, air volume 3 m ³ / min, pressure near the nozzle 0.2 kg / cm ² to 3.5 kg / min
A mist having a diameter of 1 μm or less is floated in the air discharge portion within a cm ² and an injection angle of 25 degrees from the nozzle, and the number of negative ions is 1.25 × 10 ⁹ or more in 1 m ^3. The air purifier according to any one of claims 3 to 11. 13. After the supply of water from the water supply tank to the water tank is completed, the water in the water tank is reduced to a certain amount or less and / or after a lapse of a predetermined time from the water supply, the water in the water tank is pumped into the water supply tank, and at the same time, negative ions are generated. 13. The air purifying apparatus according to claim 3, wherein the air purifying is stopped. 14. The air purifier according to claim 13, wherein a time when the discharge of the air mixed with ultra-fine water droplets in the air purifying device is stopped and a time when the drainage of the water supply tank is finished are notified by different signals. apparatus. 15. The air purifying apparatus according to claim 3, wherein a material forming the gas-liquid contact portion and the gas-liquid separation portion is made of a member that does not generate static electricity. 16. The air purifying apparatus according to claim 3, wherein two or more air purifying apparatuses are provided. 17. A water supply port having a bulging portion at one end of an upper portion, a drainage inlet provided at a central portion of the upper portion, and a handle having an inward concave portion on a front surface. A water supply tank in an air purifier characterized by the above. 18. The water supply tank according to claim 16, wherein the water supply tank is provided with an upper limit water level line. 19. A water tank to which water can be supplied from a tap, a water injection unit for injecting water pumped from the water tank through a plurality of nozzles, and contacting water injected from the nozzles with air in a cylindrical body. A gas-liquid contact portion that generates mixed air of fine water droplets composed of fine water droplets charged to positive ions and negatively charged air ions around the fine water droplets; A gas-liquid separation unit for separating mixed air containing ultra-fine water droplets containing a large amount of negative ions having a relatively small particle diameter, comprising: a timer for measuring the operation time of the air cleaning device; and A switch mechanism for stopping the operation of the air purifying device at a set time, a drain pump activated by stopping the switch mechanism, and detecting that the water in the water tank has run out. To, by opening the tap water is supplied into the water tank, automatic water supply device in the air cleaning apparatus characterized by comprising an automatic control mechanism having an electromagnetic valve which closes by detecting the upper limit level of the water tank.