JP2004243261A - Washing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a washing method capable of removing various fouling at a time without using any chemicals and a lot of water. <P>SOLUTION: The washing method consists of an electrolytic water washing process which sprays acid electrolytic water and/or alkaline electrolytic water against an object to be washed, and a powder containing water washing process which sprays powder containing water against an object to be washed. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for cleaning an object to be cleaned (for example, a car). More specifically, the present invention relates to a cleaning method in which the amount of water used can be reduced as compared with the conventional method, and there is no need to use a chemical such as shampoo.
[0002]
[Prior art]
Various methods for cleaning the object to be cleaned include (1) a method using a chemical such as shampoo, and (2) a method of spraying high-pressure water onto the object to be cleaned (for example, Patent Document 1). Is being developed. In particular, as for a method of cleaning a car, a simpler and more effective cleaning method is required, and development of the method is active.
[0003]
However, in the method (1) using a chemical such as shampoo, it is necessary to use a strong chemical when various kinds of dirt are to be washed at the same time. When used as a large vehicle, the amount of use increases, and in this case, environmental pollution by a strong chemical becomes a problem.
[0004]
On the other hand, in the method of (2) injecting high-pressure water to the object to be cleaned, unlike the method using the above-mentioned chemicals, there is no concern about polluting the environment. There is a problem that it is almost difficult and the amount of water used is large. Furthermore, dirt (for example, oil stains) that has thinly adhered to the surface of the object to be cleaned cannot be removed only by spraying high-pressure water. It can hurt itself.
[Patent Document 1]
JP-A-5-338517
[Problems to be solved by the invention]
The present invention has been made in view of such a problem, and does not require the use of any chemicals, does not use a large amount of water, and is capable of removing various stains at once. The main task is to provide a method.
[0006]
[Means for Solving the Problems]
In one aspect of the present invention for solving the above-mentioned problems, a cleaning method comprises: an electrolytic water cleaning step of spraying acidic electrolyzed water and / or alkaline electrolyzed water onto a cleaning target; And a step of washing with a powder-containing water to be sprayed.
[0007]
According to this cleaning method, since the electrolytic water cleaning using the acidic electrolyzed water and / or the alkaline electrolyzed water is performed, the cleaning power can be dramatically improved as compared with the case where ordinary water (for example, tap water) is used. Can be. This is because acidic or alkaline electrolyzed water can be dissolved and decomposed even with dirt that cannot be dissolved (or hardly dissolved) with ordinary water.
[0008]
Furthermore, a feature of the cleaning method of the present invention resides in that powder-containing water cleaning is performed in addition to the electrolytic water cleaning. By performing the powder-containing water cleaning in addition to the electrolytic water cleaning, dirt adhering to the surface of the object to be cleaned by the powder in the water can be scraped off. As a result, it is possible to remove the dirt attached to the object to be cleaned without using a chemical agent as in the related art, and it is not necessary to use a large amount of high-pressure water. In other words, by incorporating the powder into the water used for cleaning, the powder can be considered to have the same function as a brush or cloth used for cleaning, and moreover, a brush or cloth. In the case of using, the surface of the object to be cleaned may be scratched because the surface and the object to be cleaned come into contact with each other, but according to the present invention, the powder and the object to be cleaned contact at one point. So you don't have to worry about getting hurt.
[0009]
In another aspect of the present invention for solving the above-mentioned problems, a cleaning method comprises: an acidic electrolyzed water cleaning step of spraying acidic electrolyzed water onto an object to be cleaned; and an alkaline electrolyzed water cleaning step of spraying alkaline electrolyzed water onto the object to be cleaned. It is characterized in that a step, a powder-containing water washing step of injecting powder-containing water to the object to be washed, and a rinsing step of rinsing the object to be washed with tap water and / or alkaline electrolyzed water are sequentially performed. .
[0010]
According to this method, the same operation and effect as described above can be obtained. In particular, since the rinsing step of rinsing the object to be cleaned with tap water and / or alkaline electrolyzed water is performed, acidic water and powder-containing water do not remain on the surface of the object to be cleaned. Rust and the like can be prevented.
[0011]
In such a washing method, it is preferable that the powder is a water-soluble powder and a powder which exhibits alkalinity when dissolved in water.
[0012]
By using such a powder, the powder sprayed onto the surface of the object to be cleaned and used to scrape off the dirt is no longer dissolved in water, so after cleaning the object to be cleaned, the powder There is no need to clean itself. Further, if the powder exhibits alkalinity, there is no fear of oxidizing (rusting) the object to be cleaned (for example, a car).
[0013]
Specifically, the powder is preferably a powder of sodium hydrogen carbonate and / or a powder of sodium chloride.
[0014]
With these powders, the above-described effects can be sufficiently exerted.
[0015]
In the above-described cleaning method, the object to be cleaned may be a car.
[0016]
This cleaning method can also be used for cleaning a car that required a large amount of chemicals and a large amount of high-pressure water in the conventional cleaning method, and thereby, various problems that occurred when the conventional method was used. The problem can be solved.
[0017]
Embodiment
Hereinafter, the cleaning method of the present invention will be specifically described.
[0018]
FIG. 1 is a flowchart for explaining the cleaning method of the present invention.
[0019]
As shown in FIG. 1, the cleaning method of the present invention includes an electrolytic water cleaning step S2 of spraying acidic electrolyzed water and / or alkaline electrolyzed water onto an object to be cleaned, and a powder that sprays powder-containing water onto the object to be cleaned. And a contained water washing step S4.
[0020]
Here, in the method of the present invention, the order of performing the electrolytic water cleaning step S2 and the powder-containing water cleaning step S4 is not particularly limited, and after performing the electrolytic water cleaning step S2 as illustrated in the drawing. The powder-containing water washing step S4 may be performed, and vice versa. Also in the electrolytic water washing step S2, it may be performed using only one of the acidic electrolyzed water and the alkaline electrolyzed water, or may be performed using both as shown in the figure.
[0021]
However, in order to maximize the cleaning effect of the present invention, as shown in FIG. 1, it is preferable to perform the powder-containing water cleaning step S4 after performing the electrolytic water cleaning step S2. Also in S2, it is preferable to perform the acidic electrolyzed water cleaning step S21 and the alkaline electrolyzed water cleaning step S22 in this order.
[0022]
Further, in the method of the present invention, it is possible to arbitrarily perform steps other than the characteristic water washing step S2 and the powder-containing water washing step S4, such as the rinsing step S6 and the drying step S8. .
[0023]
Hereinafter, each step will be described.
[0024]
[1] Electrolytic Water Cleaning Step The electrolytic water cleaning step S2 in the cleaning method of the present invention is to remove acidic stains and / or alkaline stains by spraying acidic electrolyzed water and / or alkaline electrolyzed water onto an object to be cleaned. This is a step of dissolving and removing. Therefore, depending on the type of dirt attached to the object to be cleaned, it is only necessary to arbitrarily select whether to use only one or both of the acidic electrolyzed water and the alkaline electrolyzed water.
[0025]
The acidic electrolyzed water used in this step refers to an acidic water having a pH of 6 or less obtained by electrolyzing water, and the alkaline electrolyzed water refers to an alkaline water having a pH of 8.5 or more obtained by electrolyzing water. . The method for producing such acidic electrolyzed water or alkaline electrolyzed water is not particularly limited. For example, it is also possible to use a multi-electrolyte water production apparatus or the like that can simultaneously generate acidic water and alkaline water.
[0026]
In addition, the method of the present invention is not particularly limited, and the specific spraying method and the spraying amount of the acidic water and the alkaline water can be appropriately changed according to the type of the object to be cleaned and the type of the stain. is there. For example, when the object to be cleaned is a car, the method of the present invention can be used in a gate-type touchless car washer described later (see FIGS. 2 and 3). The acidic electrolyzed water is sprayed from the pressurized water injection holes 22a of the pressurized water injection pipe 22 to be sprayed, and the alkaline electrolyzed water is sprayed from the pressurized water injection holes 21a and 23a of the three pressurized water injection pipes 21 and 23 on both sides. You may make it.
[0027]
[2] Powder-containing water washing step In the powder-containing water washing step S4 in the cleaning method of the present invention, a powder is contained in water for washing the object to be washed, and the powder-containing water is washed with the object to be washed. This is a step of removing dirt from the object to be cleaned by injecting.
[0028]
The type of powder used in this step can be appropriately selected and used depending on the type of the object to be cleaned and the type of dirt attached to the object to be cleaned, but it remains without dissolving in water for a certain period of time. However, it is preferable to use a powder having a property of dissolving in water after a predetermined time, and a powder exhibiting alkalinity when dissolved in water, specifically, sodium bicarbonate powder and It is preferable to use sodium chloride powder. And, of the above, sodium bicarbonate powder is particularly suitable for this step. Sodium bicarbonate powder does not dissolve immediately even if it is contained in water (thus, it can sufficiently exert a cleaning effect), however, after a predetermined time, it dissolves in water, Moreover, the dissolved water does not cause any problems in the environment.
[0029]
There is no particular limitation on the shape of the powder. However, from the viewpoint of preventing the surface of the object to be cleaned from being damaged, the shape is preferably as spherical as possible.
[0030]
The present invention is not particularly limited with respect to the water containing the powder described above, and it is possible to use ordinary water (tap water or the like) which has been conventionally used for washing various objects to be washed. it can.
[0031]
[3] Rinsing Step The rinsing step S6 in the cleaning method of the present invention means that the object to be cleaned after the above-described electrolyzed water cleaning step S2 and the powder-containing water cleaning step S4 are finished with tap water and / or alkaline electrolyzed water. This refers to a rinsing step, whereby it is possible to prevent acidic electrolyzed water and powder-containing water from remaining on the surface of the object to be cleaned.
[0032]
As the alkaline electrolyzed water used in this step, the same one as described above can be used.
[0033]
The case of cleaning a car using the method of the present invention will be described in more detail.
[0034]
FIG. 2 is a front view of a portal type touchless car washer installed at a gas station or the like, and FIG. 3 is an enlarged view of a gate inner peripheral wall portion A of the portal type touchless car washer shown in FIG.
[0035]
The gate-type touchless car washer 10 shown in FIG. 2 is a device that cleans a parked car C by moving back and forth on a rail 11 while injecting pressurized water from a gate inner peripheral wall portion. It is possible to apply the method of the present invention to a car wash machine 10.
[0036]
As shown in FIG. 3, three pressure water injection pipes 21, 22, and 23 are provided in parallel on a gate inner peripheral wall portion A of the gate type touchless car washer 10 to which the method of the present invention is applied. A plurality of pressurized water injection holes 21a, 22a, 23a are provided on each pipe surface. The above-mentioned acidic electrolyzed water and powder-containing water are circulated in the pressurized water injection pipe 22 located at the center of the three pressurized water injection pipes in a switchable state. Powder-containing water is sprayed in a shower form from a pressurized water injection hole 22a provided on the surface of the pressurized water injection pipe. On the other hand, among the three pressurized water injection pipes, the pressurized water injection pipes 21 and 23 located at both ends thereof contain alkaline electrolyzed water and water containing no powder (such as ordinary tap water). The water is circulated in a switchable state, and normal water is fan-shaped and curtain-shaped (not shower-shaped, but water is injected from the pressure-water injection holes 21a and 23a provided on the respective surfaces, like a curtain). (In a state where a film is formed).
[0037]
First, the gate-type touchless car washer 10 moves from the front side to the rear side of the car. At this time, while moving, the alkaline electrolyzed water is sprayed from the pressurized water injection holes 21a and 23a of the pressurized water injection tubes 21 and 23 in a curtain shape, and the pressurized water injection holes 22a of the pressurized water injection tube 22 Is sprayed with acidic electrolyzed water. Thereby, the electrolytic water washing step can be performed.
[0038]
Next, the gate-type touchless car washer 10, once moved to the rear side of the car, moves again to the front of the car. At this time, while moving, tap water is sprayed from the pressurized water injection holes 21a and 23a of the pressurized water injection tubes 21 and 23, and powder-containing water is discharged from the pressurized water injection holes 22a of the pressurized water injection tube 22. Sprayed. In this case, normal water injected from the pressure water injection holes 21a and 23a of the three pressure water injection tubes 21 and 23 on both sides serves as a curtain, and the centrally located pressure water injection pipe 22 Powder-containing water sprayed from the pressurized water injection hole 22a can be prevented from being scattered, and the curtain-shaped water remains on the body surface of the powder (and water in which the powder is dissolved). Can function as rinse water. That is, this allows the powder-containing water washing step and the rinsing step to be performed simultaneously.
[0039]
As described above, according to the method of the present invention, it is possible to complete the car wash without using chemicals such as shampoo, using a large amount of high-pressure water, and without touching the car at all (touchless). Can be.
[0040]
【The invention's effect】
As described above, according to the cleaning method of the present invention, a cleaning effect that is more than that of the conventional method can be obtained at a water pressure that is about one-fifth of the conventional water pressure (when only water containing no powder is used) (10 to 15 MPa). And the amount of water to be used is about half or less of the conventional amount. Further, since there is no need to use a chemical such as shampoo, environmental destruction due to drainage can be reduced.
[Brief description of the drawings]
FIG. 1 is a flowchart for explaining a method of the present invention.
FIG. 2 is a front view of a portal type touchless car washer using the method of the present invention.
FIG. 3 is an enlarged view of an inner peripheral wall portion of the portal type touchless car washer shown in FIG. 2;
[Explanation of symbols]
10: Gate type touchless car washer 11 ... Rails 21, 22, 23 ... Hydraulic water injection pipes 21a, 22a, 23a ... Hydraulic water injection hole A: Inner peripheral wall portion of gate type touchless car washer C ... Car

Claims (5)

Electrolytic water washing step of spraying acidic electrolyzed water and / or alkaline electrolyzed water onto the object to be cleaned,
Powder-containing water washing step of injecting powder-containing water to the object to be washed,
A cleaning method comprising: An acidic electrolyzed water cleaning step of spraying the electrolyzed water onto the object to be cleaned,
An alkaline electrolyzed water cleaning step of spraying the alkaline electrolyzed water onto the object to be cleaned,
Powder-containing water washing step of injecting powder-containing water to the object to be washed,
A rinsing step of rinsing the object to be cleaned with tap water and / or alkaline electrolyzed water,
Are sequentially performed. The cleaning method according to claim 1 or 2, wherein the powder is a water-soluble powder and a powder that exhibits alkalinity when dissolved in water. The cleaning method according to claim 3, wherein the powder is a powder of sodium hydrogen carbonate and / or a powder of sodium chloride. The cleaning method according to claim 1, wherein the object to be cleaned is a car.

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