JP3129718U - Nebulizer - Google Patents

Abstract

Disclosed is a sprayer that obtains spray droplets having a small particle size and a small variation in particle size.
In a vaporizer-type sprayer, spray with a uniform and low diffusion angle is obtained by a vaporization chamber, a spray port guide installed in the vaporization chamber, and air holes.
[Selection] Figure 1

Description

The present invention relates to a sprayer for water, disinfectant, insecticide, fungicide, deodorant, paint, rust inhibitor, photocatalyst dispersion and the like.

Water, disinfectants, insecticides, fungicides, paints, rust inhibitors, etc. are widely used by trigger sprays, finger sprays, livestock pressure sprayers, aerosol sprayers and the like. In recent years, deodorants, photocatalyst dispersions, and the like have been frequently sprayed to improve the living environment.

Problems that the device tries to solve

In trigger spraying and finger spraying, it is necessary to repeat the action of pulling the trigger or pushing it with the finger, and there are problems that the particle size of the droplet is large and the variation in particle size is large. There is also a problem that the droplet density and the like differ greatly from each other, and the solution adheres to the periphery of the nozzle.

In addition, the livestock pressure sprayer does not require the action of operating the pump such as the above trigger spray or finger spray, but it solves the problems of droplet size, dispersion, density distribution, and adhesion of the solution to the nozzle. Not.

Certainly, in trigger sprays, finger sprays, and animal pressure sprayers, it is possible to obtain some fine droplets by increasing the spray pressure of the solution, such as reducing the liquid path and nozzle diameter in the nozzle, The size and variation of the particle size of the droplets are insufficient in terms of uniform spraying, and there are problems such as an increase in the spraying range and an increase in droplet adhesion to the nozzle.

Aerosol atomizers have the same problems as described above, and many use flammable gases. In addition to releasing flammable gases into the atmosphere, there is a risk of combustion and explosion.

In order to perform uniform and stable spraying, there is a business-use paint spray device, and there are air brushes and the like that can be easily used, but there is a disadvantage that the structure is complicated and ancillary equipment is required, and it is expensive.

As a result of various investigations to solve the above problems, the present inventors have provided a predetermined configuration as a sprayer, so that fine droplets have small particle size variation, the droplet distribution is uniform, and the periphery of the nozzle The present inventors have obtained the knowledge that the above solution and the like can be easily sprayed by preventing waste of adhesion of the solution.

Means for solving the problem

The present invention for achieving the above object is described below.

[1] In the vaporization type sprayer, the vaporization section is installed in the vaporization chamber, the fluid spraying port is provided with a guide, and the vaporization chamber on the opposite side to the guide side from the vaporization unit has an air hole and / or a compressed gas ejection port. A nebulizer featured.

[2] The sprayer according to claim 1, wherein the fluid spray port guide has a liquid pool and drain.

[3] The sprayer according to claim 1, wherein the wide angle of the fluid spray port guide is 3 to 30 degrees.

[4] The sprayer according to claim 1, further comprising a flow rate regulator in the compressed gas passage for vaporization.

[5] The sprayer according to claim 1, further comprising a compressed gas tank.

[6] The compressed gas tank according to claim 5 is characterized by having a check valve for a stepping type pump and / or a check valve for a tire filling and / or a rubber rubber such as a ball and / or a compression pump. Compressed gas tank.

[7] In the sprayer according to claim 1, the solution tank is airtight, and air flows into the solution tank from the drain installed in the fluid spray port guide when the pressure in the solution tank is reduced due to vaporization of the solution. A nebulizer characterized by maintaining the same pressure as the atmosphere.

[8] The sprayer according to claim 1, further comprising a flow controller in the compressed gas outlet passage.

Effect of device

Various methods are known for spraying liquids, such as a method using pressure reduction by an air flow, a method of applying pressure to a liquid and releasing it from a narrow part, and a method using ultrasonic waves. As a method of obtaining, a vaporization method using a reduced pressure by an air flow having a simple structure is preferable.

Also, in the vaporization type, the distance between the vaporization nozzle and the solution tank can be set to the shortest, there is little waste of the solution, and the gas passage is a separate path, so it is organic if only the material of the solution tank and vaporization chamber is considered. There is an advantage that a solution such as a solvent, an acid, or an alkali can be easily used.

Normally, in the vaporization type, the vaporization nozzle is released to the atmosphere and no special items such as a vaporization chamber are installed. The sheath density is greatly different, and when coating is intended, a spot-like pattern or dripping is likely to occur, and a considerable amount of solution adheres to other than the intended coating surface.

In order to solve the above problem, the vaporization part is covered (provided with a vaporization chamber), and an air hole is provided in the vaporization chamber on the side opposite to the spray port. Flowed in and generated an air flow toward the spray port.

The air flow suppresses the diffusion of the droplets, and at the same time, the mixing of the droplets occurs to promote the dispersion of the droplets and the equalization of the particle sizes.

The air hole may be installed specially, or the opening and closing switch built-in part such as the compressed gas passage etc. can be replaced with the air hole instead of being sealed, and the compressed gas can be vaporized instead of or in addition to the air hole. It is effective if it is introduced from behind the nozzle, and the effect of the compressed gas to be introduced is doubled if an optimum flow rate is set by a flow rate regulator.

The liquid droplets that are equalized as described above travel while diffusing from the spray port toward the spray direction, but immediately after the spray port, a complicated air current such as entrainment of air is generated, and the droplets are generated around the spray port. Causes adhesion.

In order to avoid the turbulent flow around the spray port, it is effective to install a guide, and the wide angle of the guide is preferably 3 to 30 degrees, more preferably 5 to 25 degrees, from the tip of the vaporizing nozzle.

Although the adhesion of droplets is considerably reduced by this guide, it is difficult to completely prevent the adhesion. In order to collect and reuse these adhered droplets, a liquid reservoir is provided at the bottom of the guide, a drain is installed, It is preferable to return to the tank, and the solution tank is sealed, and the solution is forcedly drawn from the liquid pool by depressurization of the solution tank due to vaporization of the solution, thereby preventing the solution from hanging in the drain path.

In the vaporization method, it is better to secure a stable gas flow rate by using a compressor, compressed gas tank, etc., because it is more stable to vaporize at a stable gas flow rate, but there are few households that have a compressor etc. It is preferable to use a compressed gas tank.

The compressed gas tank may be provided with a dedicated air compressor, or the air compressor may be removable.

In addition, by installing a check valve for a foot-operated pump used for floating bags etc. in a compressed gas tank, or a rubber rubber such as a bicycle or ball, this nebulizer can be used without requiring a special air compressor, Nitrogen gas or carbon dioxide gas can also be used.

It is also effective to install a pressure regulating valve to prevent the compressed gas tank from being deformed or damaged.

Although the basic function as a sprayer is satisfied with the above-described configuration, in the case of the livestock pressure type, the gas flow for vaporization gradually decreases due to the decrease in the compressed gas pressure accompanying use, the change in the spray amount, the particle size of the droplets, There is a problem that the degree of diffusion gradually changes, making it difficult to ensure a stable spray.

By installing a flow regulator to solve this problem, it becomes possible to adjust the flow rate of the compressed gas while observing the spray state, and depending on the type or purpose of the solution without depending on the pressure of the compressed gas tank Sprayed state can be obtained.

Further, since the compressed gas tank is made of only gas, there is no need to use members such as solvent resistance, acid resistance and alkali resistance, and there is an advantage that it can be configured at low cost.

The sprayer of the present invention not only sprays water, disinfectants, insecticides, fungicides, deodorants, paints and rust inhibitors, but also has a spot-like titanium oxide dispersion that requires uniform spraying and coating. A titanium oxide coating film could be formed without causing a pattern or dripping.

The best mode of the present invention will be described below, but the present invention is not limited to the best mode.

FIG. 1 shows the best mode from the viewpoint of compactness, lightness, and resource saving.

In order to generate laminar flow in the vaporization chamber, an air hole, a compressed gas outlet, and a flow regulator are installed, and in the compressed gas tank, a check valve for a foot pump and a bicycle rubber are installed. When the open / close switch is pushed in the push-type state, the hook is hooked and the open state is maintained even if the switch is released.

Hereinafter, the present invention will be specifically described with reference to examples, but the present invention is not limited to the examples.

Further, as an example, a titanium oxide coating film in which droplets are smaller and uniform spraying is required than spraying water, disinfectant, insecticide, fungicide, deodorant, paint, rust inhibitor, etc. This will be described with reference to formation examples.

(Example 1: Titanium oxide coating on a dish drainer made of stainless steel bat and stainless steel basket)
(1) The sprayer of the present invention was set under the following conditions.
-Spray port guide wide angle: 15 degrees, solution tank capacity: 50 ml, compressed gas tank capacity: 500 ml.
・ Air was infused three times with a bicycle inflator.
The miracle titanium photocatalyst coating solution M2 manufactured by Mitsui Mining Co., Ltd. was used as the titanium oxide solution.
(2) The vat and the basket were washed with a commercially available neutral detergent to remove dirt and oil and fat, then washed with water and dried.
(3) Titanium oxide was applied to the vat and basket pretreated with the sprayer and dried.
(4) No dripping or speckled pattern is produced during application, and when wet after drying, the entire surface is completely wetted with water, no drops are formed in the basket, and the coating is good. It was confirmed that it was formed.

(Example 2: Resin bathtub)
(1) The sprayer of the present invention was set under the following conditions.
-Spray port guide wide angle: 20 degrees, solution tank capacity: 100 ml, compressed gas tank capacity: 500 ml.
-Air was injected 5 times with a stepping type air inflater for air mats.
-As in Example 1, the titanium oxide solution used was a miracle titanium photocatalyst coating solution M2 manufactured by Mitsui Mining Co., Ltd.
(2) The inside of the bathtub was washed with a commercially available neutral detergent to remove dirt and oil and fat, then washed with water and dried.
(3) Titanium oxide was applied to the inside of the bathtub pretreated with the sprayer and dried.
(4) In application, no dripping or spotted pattern is generated, and after bathing, the hot water in the bathtub is drained. I was able to confirm.

It is a schematic plan view which shows an example of this invention. It is a schematic sectional drawing of the spray nozzle guide shown in FIG. 1, a vaporization chamber, and a vaporization nozzle part.

Explanation of symbols

101 Spray port guide 102 Vaporization chamber 103 Air flow rate regulator 104 Air hole 105 Spray switch (Compressed gas passage opening / closing switch)
106 Liquid Pool 107 Drain 108 Solution Tank 109 Air Mat Check Valve 110 Bicycle Tire Rubber Rubber 111 Compressed Gas Tank 201 Solution Vaporizing Nozzle 202 Compressed Gas Nozzle 203 Compressed Gas Flow Adjuster 204 Compressed Gas Passage 205 Solution Suction Pipe

Claims (8)

The vaporizing sprayer is characterized in that a vaporizing section is installed in a vaporizing chamber, a fluid spraying port is provided with a guide, and an air hole and / or a compressed gas ejection port is provided in the vaporizing chamber on the opposite side of the guide side from the vaporizing unit. Nebulizer. 2. The sprayer according to claim 1, wherein the fluid spray port guide has a liquid reservoir and drain. 2. The sprayer according to claim 1, wherein the wide angle of the fluid spray port guide is 3 to 30 degrees. The atomizer according to claim 1, further comprising a flow rate regulator in the compressed gas passage for vaporization. The atomizer according to claim 1, further comprising a compressed gas tank. 6. A compressed gas tank according to claim 5, comprising a check valve for a stepping pump and / or a check valve for a tire filling and / or a rubber rubber such as a ball and / or a compression pump. . 2. The sprayer according to claim 1, wherein the solution tank is airtight, and air flows into the solution tank from a drain installed in the fluid spray port guide when the pressure in the solution tank is reduced due to vaporization of the solution, and the pressure in the solution tank is reduced to the atmospheric pressure. A nebulizer characterized by keeping the same. 2. The sprayer according to claim 1, further comprising a flow rate regulator in the compressed gas outlet passage.

Images