JP2003334557A - Portable method and portable apparatus for producing sterilizing/cleaning water - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for producing sterilizing/cleaning water which can easily be used in hospitals, homes for the aged, restaurants, beauty salons, barbershops, vehicles, and homes, is small in size, light in weight and inexpensive, can be used in a hand spray, and is portable, and a device for the method. <P>SOLUTION: An electrolytic cell 2 fitted with an electrolytic device 1 and a power supply apparatus 4 are detachable. An electrolytic aqueous solution 3 containing halogen ions is detached in advance and stored in the portable electrolytic cell 2. The electrolytic cell 2 is mounted on the power supply apparatus 4. By making the power receiving terminal 5 of the electrolytic device 1 is contact with the power supply terminal 6 of the powder supply apparatus 4, power is applied for electrolysis. After the end of the electrolysis, the electrolytic cell 2 is detached from the power supply apparatus 4 and made to be carried and used simply. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention can be easily carried to any place, and can be operated by holding it with one hand even when there is no equipment such as power supply and water supply / drainage, or in a narrow space. The present invention also relates to a sterilizing wash water generating device.

[0002]

2. Description of the Related Art Conventionally, for treatment, nursing, kitchen, disinfection and sterilization of cooking utensils, a chemical solution such as an aqueous solution of ethyl alcohol, benzalkonium chloride, chlorhexidine hydrochloride, chlorhexidine gluconate is used. , Various problems such as water pollution and insufficient prevention of nosocomial infection are occurring.

In order to prevent this harmful effect, the present inventors electrolyze an aqueous solution containing bromine ions and other halogen ions, for example, chlorine ions to produce sterilized water which is weakly acidic or neutral and has a high bactericidal effect. We have already filed the following patent applications for the method and apparatus.
(JP-A 06-292892, JP-A 06-31201
1, JP-A-11-226092, JP-A-11-3475
57, Japanese Patent Application No. 2000-070171). These electrolyzed waters have an excellent bactericidal power at pH 6 to 8, exhibit an excellent bactericidal power even in a short time, and exhibit an excellent bactericidal effect that the skin is not roughened and the equipment is not corroded.

The present inventors have filed Japanese Patent Application No. 2000-239266.
"Sterilizing and cleaning spray product and its manufacturing method" solves this problem by sterilizing and cleaning spray product by filling the spray container with electrolyzed water that has sterilizing power while blocking light and air and under inert gas pressure. I was able to do it. However, with this method, it is inevitable that its effectiveness will gradually decline after a long time in the distribution stage.

In order to solve this problem, in order to develop a portable and small-sized electrolysis device, the inventors of the present invention have made efforts to develop an electrolysis device that uses nickel ferrite as an anode, which is small but has high electrolysis efficiency. Regarding the ferrite electrode, the present inventor has filed the following patent application.

(1) Japanese Patent Application No. 9-369487 "Electrolytic device" (2) Japanese Patent Application No. 10-134509 "Electrolytic device" In these inventions, platinum is used under the same conditions in the conventional hand-washing sterilizing water generators. It was possible to obtain long-term durability performance which was 3 to 5 times that of the plated titanium electrode. (3) In Japanese Patent Application No. 2000-168578 "electrolysis device", an electrolysis device having higher electrolysis efficiency could be developed. (4) In Japanese Patent Application No. 2001-157680 "Portable method for producing sterilizing wash water and its device", a hand spray can be held and operated with one hand, but bag-in-can We could not solve the problem of small size and ease of use, such as pressurizing the inner bag with pressurized gas by the method and integrating the power supply control device.

[0007]

[Problems to be Solved by the Invention] Sterilization that is easy to use not only in hospitals and nursing homes, but also for lunch, restaurants, hairdressers, moving vehicles (emergency vehicles, airplanes, etc.) and general households. There has been a strong demand for the development of cleaning means. It is an object of the present invention to provide a portable sterilizing wash water generating apparatus which can solve such problems and which is small, lightweight, easy to use and inexpensive.

[0008]

In order to solve the above-mentioned problems, in the present invention, the electrolytic device is made small and compact,
In order to be able to operate while walking around with one hand,
The present invention is based on the following configuration.

(A) Electrolysis tank 2 in which the electrolysis / control device 1 is immersed in an electrolyte aqueous solution 3 containing halogen ions.
A portable sterilizing wash water generation method that is easy to use in any place because the power supply / control device 4 is configured to be detachable.

(B) The immersion type electrolysis apparatus 1 is equipped so as to be immersed in an electrolyte aqueous solution 3 containing halogen ions,
The electrolytic cell 2 can be detached from the power supply device 4 and used. When the electrolytic cell 2 is placed on the power supply / control device 4 and the power receiving terminal 5 of the electrolysis device 1 and the power supply terminal 6 of the power supply / control device 4 are brought into contact with each other, an electric current is passed therethrough for electrolysis. After completion of electrolysis, the electrolytic cell 2 was removed from the power supply / control device 4 so that it could be easily carried. The power supply of the power supply / control device 4 may be connected to an outlet with a cord, or may be provided with or without a battery. (C) In the immersion type electrolysis apparatus 1, an anode 7 and a cathode 8 are arranged parallel to each other with an interelectrode reaction passage 9 therebetween. Anode terminal 1
3 and the cathode terminal 14 are housed in the terminal cover portion 15, and the electrode portion is directly immersed in the electrolyte aqueous solution 3 containing halogen ions in the electrolytic cell 2. The anode 7 is preferably platinum-plated or white metal oxide-coated titanium, ferrite, graphite, magnetite or the like having good corrosion resistance, and the cathode 8
May be stainless steel or titanium.

(D) The electrolytic bath 2 has an outlet 10 for sterilizing and washing water generated by electrolysis by the immersion type electrolyzer 1 so that the sterilizing and washing water can be taken out. Spray nozzle 1
It is also possible to attach 1 to spray spray sterilizing cleaning water.

(E) The anode 7 of the immersion type electrolysis apparatus 1 is a cylindrical nickel-ferrite electrode, and the cathode 8 is a plurality of liquid passage holes 12.
By using a perforated cylindrical electrode with a hole, it is possible to make a portable sterilization wash water generator that is small in size and has good electrolysis efficiency. The perforated cathode 8 is in the form of a flat plate or a cylinder, and is a conductive metal, a conductive ceramic, or a carbonaceous material having a plurality of liquid passage holes 14 as proposed in Japanese Patent Application No. 2001-369794 “electrolysis device” already filed. It is possible to use an electrode or an electrode having a filterability that is a sintered body of metal or ceramics.

By using the perforated cathode 8, the electrolyte aqueous solution 3 in the electrolytic cell 2 is moved from the electrolytic cell to the interelectrode reaction channel 9 by the air lift of the gas generated in the interelectrode reaction channel 9 of the immersion electrolysis apparatus 1. The generated gas is discharged to the electrolytic cell 2 from the upper liquid passage hole 14 and discharged to the electrolytic cell container space at the water surface, and the electrolytic water is cooled at the water surface toward the bottom by convection and the interelectrode reaction passage 9 You can be electrolyzed again by being attracted to. Further, spraying can be easily performed from the spray nozzle by the pressure of the pressurized gas in the electrolytic cell container space.

(F) The power supply / control device 4 is a constant current type with a timer, and sterilizes a predetermined residual halogen concentration corresponding to a set time by keeping the electric conductivity of the electrolyte solution 3 containing halogen ions constant. Can generate wash water.

(G) The power supply / control device 4 is a constant current type with a variable current value with a timer, and the residual halogen concentration can be increased or decreased according to the set time by changing the current value.

(H) By changing the electric conductivity of the aqueous electrolyte solution 3 containing halogen ions, it is possible to generate sterilizing and washing water having a predetermined residual halogen concentration corresponding to the set time. The electrolyte aqueous solution containing halogen ions is prepared to be supplied at any time in a container of 1 to 10 liters. Further, it is possible to prepare different halogen ions, ratios and concentrations thereof, depending on the application.

(I) Due to the action of the residual halogen concentration sensor 19, the power supply / control device 4 operates to maintain the residual halogen concentration set. As the residual halogen concentration sensor 19, the sensor of Japanese Patent Application No. 10-2477 of the present applicant is suitable because of its small size.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described based on examples with reference to the drawings. In FIG. 1, the immersion type electrolysis apparatus 1 is attached to the bottom of the electrolytic cell 2, and the anode 7 and the cathode 8 are directly immersed in the aqueous electrolyte solution 3. The anode power receiving terminal 5-1 is connected to the anode terminal 13 and the cathode power receiving terminal 5-2 is connected to the cathode terminal 14 and housed in the terminal cover portion 15. When the electrolytic cell 2 is fitted into the power supply device 4 and fixed, the anode power feeding terminal is connected. 6-1 Contact the cathode power supply terminal 6-2. A spray nozzle 11 is attached to an outlet 10 of the sterilizing and washing water located above the electrolytic cell 2.

FIG. 2 is an external view showing a state in which the electrolytic cell 2 is fitted and fixed in the power supply device 4. A constant current type power supply board and a control board, such as a timer, which can set operating conditions, a battery, a rechargeable battery, or the like are housed in a space inside the power supply device 4. A rectifying board for the switching power supply is also housed in order to connect with a cord from the AC power supply. When the electrolysis is completed within the set time, the concentration of residual chlorine becomes a predetermined value, so that the electrolytic cell 2 can be detached from the power supply device 4 and used as a hand spray.

FIG. 3 is an assembled perspective view of a portable sterilizing wash water generating apparatus. The anode 7 and the cathode 8 of the immersion electrolysis apparatus 1 are inserted into the electrolysis tank 2 from the electrolysis apparatus fixing portion 16 and fixed by the terminal cover portion 15, and the anode power receiving terminal 5-1 and the cathode power receiving terminal 5-2 are connected to the terminal cover portion 15. Attached to. On the other hand, the electrolytic cell attachment portion 17 of the power supply device 4 has an anode power feeding terminal 6-1.
There is a cathode power feeding terminal 6-2, and it is possible to send predetermined electricity to the anode 7 and the cathode 8 of the immersion electrolysis apparatus 1 through the anode power receiving terminal 5-1 and the cathode power receiving terminal 5-2 of the terminal cover portion 15. I can.

(Embodiment 1) In this embodiment, FIG. 1, FIG. 2 and FIG.
The portable sterilizing wash water generator shown in is used. The immersion type electrolysis apparatus 1 used is shown in FIG. Anode 7 has a length of 6
It is a cylindrical shape made of Ni-ferrite of 0 mm and 0.15 dm ² . The cathode 8 is a titanium perforated pipe, and the anode 7
Are arranged on the outer side with a distance of 3 mm between the electrodes. Terminal body 1
8 has the same length as the long-connected anode 7, and a low melting point metal or mercury is poured into a slight gap (0.2 to 2 mm) between the terminal body 18 and the anode 7 to improve electric conduction between the terminal body 18 and the anode 7. I am trying. The titanium perforated pipe of the cathode 8 is provided with liquid passage holes 12 at four locations in three rows, and the diameter thereof is 2 mm.

An aqueous solution containing halogen ions is shown in FIG.
It is filled from the electrolyte aqueous solution filling port 10 shown in FIG. An electrolyte aqueous solution containing halogen ions is prepared so as to be supplied at any time in a 2-liter PET bottle container. The following (1) to (3) were used as the aqueous solution containing halogen ions. In this example, as the halogen ions, sodium chloride and sodium bromide were used at a weight ratio of 9: 1. Salt and sodium bromide were used at a weight ratio of 9: 1 as halogen ions in the aqueous electrolyte solution containing halogen ions.

An aqueous electrolyte solution having the electrical conductivity adjusted to the following (1) to (3) in the above ratio was used. (1) 2000 μs / cm electrolyte aqueous solution (2) 8700 μs / cm electrolyte aqueous solution (3) 20000 μs / cm electrolyte aqueous solution

The electrode area of the nickel-ferrite anode was adjusted to 0.15 dm ² , and the amount of the aqueous solution discharged from the spray nozzle 11 was adjusted to 10 ml / 10 seconds (60 ml / min). The residual chlorine concentration of 60 ml was measured by spraying 6 times into a 200 ml beaker. In the present invention, instead of electrolyzing every spray, 400 ml stored in the electrolytic bath 2 in advance is electrolyzed for a certain time and used as a spray when necessary.

The electrolysis conditions are shown in Table 1, FIG. 5, FIG. 6, and FIG. 7, which are obtained by changing the current value for each of the above three kinds of electrolyte aqueous solutions having different electric conductivities. From this result, it was found that purified sterilized water having a required residual chlorine concentration can be easily generated by adjusting the electrolyte concentration, preparing aqueous solutions having different electric conductivities, and setting the current value as necessary.

[0026]

[Table 1]

(Embodiment 2) The embodiment of the electrolyzed water generating apparatus shown in FIG. 8 is a smaller and lighter sterilizing cleaning water spray container, and the electrolyte aqueous solution has a capacity of about 50 to 200 ml. The electrode area of the nickel / ferrite anode is adjusted so that the amount of the aqueous solution discharged from the 0.15 dm ² spray nozzle 11 is 2 to 5 ml / sec.
Actual current value 0.9 A / 0.15 dm ² , electric conductivity 870
The residual chlorine concentration of the electrolytically treated water is 15 to 25 after electrolysis for 5 minutes under the condition that the volume of the electrolyte solution is 0 μ S / cm and 100 ml.
mg / ml was obtained. It can be used for temporary disinfection of burns and injuries as well as medical and cooking utensils, disinfection of the sick and bedridden elderly people's body and personal belongings, and deodorization.

[0028]

The present invention is constructed as described above and has the following effects.

(A) According to the first aspect of the invention, a small-sized electrolyzed water producing device can be provided in which the electrolysis cell 2 can be detached from the power supply / control device 4 and carried. As a result, it is possible to easily bring about the effect of purification and sterilization as a portable sterilizing wash water hand spray to any place and any part.

(B) According to the second aspect of the present invention, the immersion type electrolysis device 1 is provided with an aqueous electrolyte solution 3 containing halogen ions.
The electrolyzer 2 equipped so that it can be dipped in is a small container that can be used by holding it with one hand, and when placed on the power supply / control device 4 and fixed, the power receiving terminal 5 of the immersion electrolysis device 1 and the power supply / control device Since the power supply terminal 6 of 4 comes into contact with the power supply terminal 6 to carry out the electrolysis, the purified sterilized water can be easily produced by a very simple operation. When using the power supply
It is possible to hold the 400 ml electrolytic cell 2 with one hand and use it at a required place as soon as it is removed from the control device 4. Further, the power supply / control device 4 can also be used for carrying, which is convenient.

(C) According to the third aspect of the invention, since the anode 7 and the cathode 8 of the immersion electrolysis apparatus 1 are directly immersed in the electrolyte aqueous solution 3 containing halogen ions, no pump or piping is required. It has a small and simple structure,
It is possible to provide a portable sterilization wash water generator that is small, lightweight, and inexpensive, and can be used as portable sterilization water.

(D) According to the invention of claim 4, there is an outlet 10 on the upper part of the electrolytic cell 2 for sterilizing and washing water produced by electrolysis by the immersion type electrolyzer 1, so that the sterilizing and washing water can be taken out and used. If the spray nozzle 11 is attached, it is possible to easily spray spray sterilizing cleaning water.

(E) According to the fifth aspect of the invention, the anode 7 of the immersion type electrolysis apparatus 1 is a cylindrical nickel-ferrite electrode and has a high electrolysis efficiency, so that it can be easily miniaturized. Further, since the electrodes have high corrosion resistance, there is an effect that the product life is extended.
In Example 1, a current density of 1 is obtained by using a cylindrical anode 7 made of Ni-ferrite having a length of 60 mm and 0.15 dm ^2.
It was possible to electrolyze at a high current density, which is difficult with a normal electrode of 0 A / dm ² . Further, the cathode 8 is a perforated electrode, and the electrolyte solution 3 in the electrolytic cell 2 is well mixed due to the airlift effect of the generated gas. Since the pressure is applied to the electrolytic cell 2 by the generated gas, there is an effect that the spray is favorably performed.

(F) According to the invention of claim 6, the power source
Since the control device 4 is a constant current type with a timer, by making the electric conductivity of the electrolyte aqueous solution 3 containing halogen ions constant, it is possible to set a predetermined time corresponding to a set time without using a metering pump or a special automatic control system. It is possible to generate sterilizing wash water having a residual halogen concentration of.

(G) According to the invention of claim 7, in the case of a constant current type with a variable current value with a timer, by changing the current value, sterilizing cleaning water having a predetermined residual halogen concentration corresponding to a set time can be obtained. Can be easily generated.

(H) According to the invention of claim 8, it is possible to easily change the electric conductivity by preparing an aqueous electrolyte solution containing halogen ions of different concentrations. It is possible to easily generate sterilizing cleaning water having a residual halogen concentration. If you prepare in advance a container of aqueous solution containing halogen ions with different combinations and ratios of halogen compounds in an electrolyte solution replenishing container of about 1 to 10 liters, you can easily use different targets with the same small electrolyzed water generator. It can be purified and sterilized.

(I) By installing the residual halogen concentration sensor 19 in the electrolytic cell 2, the set residual halogen concentration can be maintained by controlling the operation of the power supply / control device 4. In particular, it is desirable to re-electrolyte when used for a period of 2-3 days after use, and in this case, the residual halogen concentration sensor 19 is effective.

[Brief description of drawings]

FIG. 1 is a view of a portable sterilizing wash water generating device, showing the electrolytic cell 2 removed from a power supply / control device 4. The part equipped with the immersion type electrolysis apparatus 1 is a sectional view.

FIG. 2 is an external view of a portable sterilizing wash water generator, showing the electrolytic cell 2 set in a power supply / control device 4.

FIG. 3 is an assembled perspective view of a portable sterilizing wash water generating device.

FIG. 4 is a side view (partially sectional view) of the immersion electrolysis apparatus 1 and a side view of a perforated cathode 8.

FIG. 5: Current density (actual current value) 3 A / dm ² (0.45
A / 0.15dm ² ), electrical conductivity of 2000,870
It is a graph showing the time-dependent change which electrolysis was carried out by changing to an electrolyte aqueous solution of 0, 20,000 μs / cm.

FIG. 6 is a current density (actual current value) of 6 A / dm in the previous figure.
² (0.9 A / 0.15 dm ² ) is a different graph.

FIG. 7: Current density (actual current value) of 10 A / dm ^{2 in the} previous figure
Only (1.5 A / 0.15 dm ² ) is a different graph.

[Fig. 8] Sterilization cleaning water spray container (electrolysis tank 2) and power supply
It is a figure which shows the Example of the control apparatus 4.

[Explanation of symbols]

1 Immersion type electrolyzer 2 electrolysis tank 3 Electrolyte solution 4 Power supply / control device 5-1 Anode power receiving terminal 5-2 Cathode power receiving terminal 6-1 Anode power supply terminal 6-2 Cathode power supply terminal 7 Anode 8 cathode 9 Inter-reaction path 10 Disinfection port for sterilizing cleaning water (electrolyte solution filling port) 11 spray nozzles 12 through holes 13 Anode terminal 14 Cathode terminal 15 Terminal cover part 16 Electrolysis device fixing part 17 Electrolyzer installation part 18 Anode terminal body 19 Residual halogen concentration sensor 20 Sterile cleaning water suction pipe

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) C02F 1/50 550 C02F 1/50 550L 560F 560 B65D 83/00 K

Claims (9)

[Claims] 1. A portable sterilizing wash water producing method, characterized in that the electrolytic cell (2) can be removed from the power supply / control device (4) and carried. 2. An electrolytic cell (2) which can be detached from a power supply / control device (4) equipped so that the immersion type electrolysis device (1) is immersed in an electrolyte aqueous solution (3) containing halogen ions, When placed on the power supply / control device (4) and fixed, the power receiving terminal (5) of the immersion type electrolysis device (1) and the power supply terminal (6) of the power supply / control device (4) come into contact with each other to conduct current. A portable sterilizing wash water generator characterized in that it is electrolyzed. 3. An anode (7) and a cathode (8) of an immersion type electrolysis device (1) face each other in parallel with an interelectrode reaction passageway (9) interposed therebetween, and an anode terminal (13) and a cathode terminal ( 14) is housed in the terminal cover part (15), and only the electrode part is in the electrolytic cell (2).
3. The electrolytic solution (3) containing the halogen ion of 1. is directly immersed.
A portable sterilizing wash water generator as described. 4. An outlet (10) for disinfecting cleaning water produced by electrolysis by the immersion type electrolyzer (1) is provided at the upper part of the electrolytic cell (2), and a spray nozzle (11) is attached to spray the disinfecting cleaning water. 4. The portable sterilizing wash water generating apparatus according to claim 1, wherein spraying is also possible. 5. The immersion type electrolysis device (1) has an anode (7) which is a tubular nickel-ferrite electrode, and a cathode (8) which is a perforated tubular electrode having a plurality of liquid passage holes (12). The portable sterilizing wash water generating apparatus according to claim 1, wherein the sterilizing wash water generating apparatus is portable. 6. The power supply device (4) according to any one of claims 1 to 4, which is a constant current type with a timer and which has a constant electric conductivity of an electrolyte aqueous solution (3) containing halogen ions at a set time. Correspondingly, a portable sterilizing wash water producing method capable of producing sterilizing wash water having a predetermined residual halogen concentration. 7. The power supply / control device (4) is a constant current type with a variable current value with a timer, and by changing the current value, sterilizing cleaning water having a predetermined residual halogen concentration can be generated corresponding to a set time. The method for producing a portable sterilizing wash water according to claim 6, which is possible. 8. The sterilizing wash water having a predetermined residual halogen concentration according to a set time can be produced by changing the electric conductivity of an electrolyte aqueous solution (3) containing halogen ions. 7. A portable sterilizing wash water generating method according to 7. 9. A portable sterilizer according to claim 6, wherein the residual halogen concentration sensor (19) actuates the power supply / control device (4) to maintain the set residual halogen concentration. Wash water generation method.