JPH08267066A - Strongly acidic water-forming machine - Google Patents

Abstract

PURPOSE: To surely inject salt water of high concentration into a salt water tank. CONSTITUTION: In this strongly acidic water-forming machine, a salt water tank 16, an electrolytic cell and a fresh water feeding pipe are installed in a casing 1, and salt water of specified concentration formed by mixing salt water of high concentration fed from the salt water tank 16 and fresh water fed through a fresh water feeding pipe is fed into the electrolytic cell, and strongly acidic water is formed by electrolysis in the electrolytic cell. A salt water injection pipe 17 connected to the salt water tank 16 is extended obliquely upward, and a tip injection port 17a thereof is passed through a salt water injection part 3 formed in a suitable place of the casing 1 and is exposed to the outside.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a strongly acidic water generator for producing strongly acidic water for use as a disinfectant in hospitals and the like.

[0002]

2. Description of the Related Art For example, in hospitals, in order to prevent nosocomial infections caused by the propagation of bacteria and viruses, the hands of medical staff and patients are disinfected with a disinfectant solution that is a chemical solution. Strong resistance, especially MRSA
Increasing infections by the annoying bacterium (methicillin-resistant Staphylococcus aureus).

Therefore, it has been considered to use strong acidic water having bactericidal properties as a disinfecting solution. Conventionally, as a strongly acidic water generator for producing the strongly acidic water, a salt water tank, an electrolytic cell and High-concentration salt water supplied from the salt water tank after the fresh water supply pipe is provided and the pouring port of the salt water tank containing high-concentration salt water is applied to the inlet port of the salt water tank to inject the salt water into the salt water tank. There is a method in which salt water having a predetermined concentration formed by mixing and fresh water supplied through the fresh water supply pipe is supplied into the electrolytic cell and electrolysis in the electrolytic cell produces strongly acidic water.

[0004]

SUMMARY OF THE INVENTION In the above conventional configuration,
When high-concentration salt water is injected into the salt water tank by applying the salt water tank's spout to the salt water tank's inlet, the salt water may spill and fall on internal equipment in the casing, resulting in an accident such as an electric leakage. was there.

In view of the above-mentioned conventional drawbacks, an object of the present invention is to provide a strong acidic water generator capable of reliably injecting a high concentration of salt water into a salt water tank.

[0006]

In order to achieve the above object, the invention according to claim 1 provides a salt water tank, an electrolytic cell, and a fresh water supply pipe in a casing, and high-concentration salt water supplied from the salt water tank. And a salt water having a predetermined concentration formed by mixing fresh water supplied through the fresh water supply pipe into the electrolyzer and producing strong acid water by electrolysis in the electrolyzer. In the water generator, a salt water injection pipe connected to the salt water tank is extended obliquely upward, and a tip injection port thereof is exposed to the outside through a salt water injection portion formed at an appropriate position of the casing. I am trying.

The invention according to claim 2 is characterized in that, in the invention according to claim 1, a hand washing stand is formed below the salt water injecting portion of the casing.

According to a third aspect of the present invention, in the second aspect of the invention, the salt water injecting portion is formed by partially recessing the casing, and the bottom wall of the salt water injecting portion faces the hand washing stand. The feature is that it is inclined obliquely downward.

The invention according to claim 4 is characterized in that, in the invention according to claim 1, 2 or 3, an opening / closing lid is attached to the salt water injecting portion.

[0010]

In the invention according to claim 1, after the salt water is injected into the salt water tank by applying the salt water tank containing high-concentration salt water to the tip inlet of the salt water injection pipe connected to the salt water tank, A salt water having a predetermined concentration formed by mixing high-concentration salt water supplied from the salt water tank and fresh water supplied through the fresh water supply pipe is supplied into the electrolytic cell, and strong acid is generated by electrolysis in the electrolytic cell. Capable of producing toxic water.

In this case, since the tip end injection port of the salt water injection pipe connected to the salt water tank penetrates the salt water injection portion formed at the proper position of the casing and is exposed to the outside, the salt water injection pipe is connected to the salt water injection pipe. When injecting high-concentration salt water into the salt water tank by applying it to the tip inlet of the, even if the salt water spills, the spilled salt water does not enter the casing and the internal equipment inside the casing It is possible to prevent accidents such as short circuit due to salt water. Further, since the salt water injection pipe is extended obliquely upward,
The salt water can be smoothly injected into the salt water tank through the salt water injection pipe.

According to the second aspect of the present invention, since the hand washing stand is formed below the salt water injecting portion of the casing, the salt water spilled from the tip inlet of the salt water injecting pipe is collected in the hand washing stand. Therefore, the surrounding environment can be maintained well.

According to the third aspect of the present invention, the salt water injecting portion is formed by partially recessing the casing, and the bottom wall of the salt water injecting portion is inclined obliquely downward toward the wash basin. Therefore, the salt water spilled from the tip inlet of the salt water inlet pipe can surely flow along the bottom wall of the salt water inlet into the washbasin, and the surrounding environment can be more favorably maintained.

According to the fourth aspect of the present invention, since the opening / closing lid is attached to the salt water injecting portion, the tip end injection port of the salt water injecting pipe cannot be seen from the outside, and the appearance is good.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 3 shows a strongly acidic water generator which is an embodiment of the present invention, and includes a base portion 1a having a rectangular box-shaped caster 2 and a rising portion 1 that rises from the rear portion of the base portion 1a.
b, and the rising part 1b is provided with a salt water injecting part 3, an operation panel 4, a first faucet 5 for strong acidic water, and a faucet 6 for strong alkaline water on the front surface thereof. A hand-washing stand 7 is provided on the top of the base 1a, a second faucet 8 for strong acidic water is provided on the front upper part thereof, and a flexible air vent pipe 9 with a cock 9a is provided on the side surface thereof. Further, 10 is a foot switch for the first faucet 5, and 11
Is a push switch for the second faucet 8 and 12 is a base 1a
An opening / closing door that is openably and closably provided on the lower part of the front surface of the holder is a holder that detachably holds the air vent pipe 9.

As shown in FIG. 1, the salt water injecting portion 3 is formed by recessing a front wall that is inclined obliquely upward toward the rear of the rising portion 1b, and the bottom wall 3a of the salt water injecting portion 3 is formed. Is inclined diagonally downward toward the hand washing stand 7, and a salt water injection pipe 17 connected to a salt water tank 16 placed on the shelf 15 in the rising portion 1b is extended obliquely upward toward the front. The tip injection port 17a penetrates the bottom wall 3a of the salt water injection part 3 and is exposed to the outside. In addition, 18 is a packing.

According to the above construction, since the tip end injection port 17a of the salt water injection pipe 17 penetrates the bottom wall 3a of the salt water injection part 3 and is exposed to the outside, as shown by the phantom line in FIG. The cap 19 of the inlet 17a is removed, and the spout 20a of the salt water tank 20 is replaced with the tip inlet 1 of the salt water injection pipe 17.
When injecting a high-concentration salt water into the salt water tank 16 by applying it to 7a, even if the salt water spills, the spilled salt water does not enter the casing 1 and the internal equipment in the casing 1 is prevented. It is possible to prevent accidents such as short circuit due to salt water. Further, since the salt water injection pipe 17 extends obliquely upward, the salt water can be smoothly injected into the salt water tank 16 through the salt water injection pipe 17. Further, since the bottom wall 3a of the salt water injecting section 3 is inclined obliquely downward toward the hand washing stand 7, the salt water spilled from the tip injection port 17a of the salt water injecting pipe 17 travels along the bottom wall 3a to wash the hand washing stand. It is collected in 7 and the surrounding environment can be maintained well.

Further, since the opening / closing lid 21 is attached to the salt water injecting portion 3 via the pivot shaft 22 so as to be opened and closed, FIG.
As shown by the solid line, when the salt water injecting section 3 is closed by the opening / closing lid 21, the tip injection port 17a of the salt water injecting pipe 17 is not visible from the outside, and the appearance is good.

FIG. 2 shows the internal structure of the strong acid water generator, which is provided with an electrolysis tank 24, a strong acid water tank 25 and a fresh water supply pipe 26, one end of which is a water faucet. 27, and the other end is the electrolytic cell 24.
Is connected to the fresh water supply pipe 26 from the upstream side to the downstream side by an electromagnetic opening / closing valve 28, a pressure reducing valve 29, and a constant flow valve 3.
0 and a flow rate sensor 31 are provided, the pressure reducing valve 29 and the constant flow rate valve 30 reduce the water pressure of tap water to a predetermined pressure or less, and the flow rate sensor 31 detects water cutoff or a significant decrease in water pressure, and the detection thereof. Based on the signal, the electromagnetic on-off valve 28 can be closed to interrupt the operation of the strong acid water generator.

A salt water supply pipe 32 that connects the fresh water supply pipe 26 downstream of the flow rate sensor 31 to the salt water tank 16.
Is provided with a salt water supply pump 33 composed of a pulse pump, and a mixer 34 and a conductivity sensor 35 are provided on the downstream side of the fresh water supply pipe 26 where the salt water supply pipe is connected,
By driving the salt water supply pump 33, high-concentration salt water supplied from inside the salt water tank 16 and the fresh water supply pipe 26
High-concentration salt water is diluted by mixing with fresh water supplied via the mixer 34, and the concentration of salt water is detected by the conductivity sensor 35 from the conductivity, and the salt water is detected based on the detection signal. By controlling the supply pump 33,
By adjusting the supply amount of high-concentration salt water, it is possible to supply salt water of a predetermined concentration to the electrolytic cell 24. Reference numeral 36 is a lower limit water level sensor attached to the salt water tank 16.

The electrolytic bath 24 and the strongly acidic water bath 25 are the first
Pipe 38, first three-way switching valve 39, and base pipe 40 for strongly acidic water
And the electrolytic cell 24 and the faucet 6 for strong alkaline water are connected via the second pipe 41, the second three-way switching valve 42 and the strong alkaline water pipe 43, and the first three-way switching valve is connected. 39 and the strong alkaline water pipe 43 are connected via the communication pipe 44, and the second three-way switching valve 42 and the strong acid water source pipe 40 are connected via the communication pipe 45 to form the strong acid water. A conductivity sensor 46 and a first two-way switching valve 47 are provided on the downstream side of the communication pipe connection portion of the water source pipe 40, and the conductivity sensor 46 and the first two-way valve of the strong acid water source pipe 40 are provided. A second two-way switching valve 49 is provided on a communication pipe 48 that connects the switching valve 47 to the strong alkaline water pipe 43, and the two three-way switching valves 39 and 42 and the two two-way switching valve 4 are provided.
7, 49 are interlockingly connected so as to open and close alternately.

In the above structure, electrolysis in the electrolytic cell 24 produces strong acidic water containing chlorine and strong alkaline water containing sodium. At the initial stage of production, the first three-way switching valve 39 causes the first The pipe 38 and the base pipe 40 for strongly acidic water are communicated with each other, and at the same time, the second three-way switching valve 42
The pipe 41 and the strong alkaline water pipe 43 are communicated with each other, and at the same time, the first two-way switching valve 47 is closed, and at the same time, the second two-way switching valve 49 is opened, whereby the first pipe 38 flows out. For example, the generated water having a low chlorine concentration of pH 2 or more is discharged from the strong alkaline water faucet 6 so as not to flow into the strong acid water tank 25. And the conductivity sensor 4
6, the chlorine concentration of the generated water is detected from the conductivity, and when the chlorine concentration becomes equal to or higher than the set value, the first two-way switching valve 47
And simultaneously close the second two-way switching valve 49,
Strongly acidic water having a chlorine concentration equal to or higher than a set value is stored in the strongly acidic water tank 25.

After that, when the salt water in the salt water tank 16 decreases and reaches the set value, the polarity of the electrolytic tank 24 is switched based on the detection signal from the lower limit water level sensor 36 for detecting it, and the first The three-way switching valve 39 is switched to connect the first pipe 39 to the strong alkaline water pipe 4 via the communication pipe 44.
3 at the same time as switching the second three-way switching valve 42 so that the second pipe 41 communicates with the strong acid water source pipe 40 through the communication pipe 45, and the first two-way switching valve 47 is closed. At the same time, the second two-way switching valve 49 is opened, which prevents the generated water flowing out through the second pipe 41, for example, having a low chlorine concentration of pH 2 or more, from flowing into the strong acid water tank 25. Discharge from the faucet 6 for alkaline water. And
The conductivity sensor 46 detects the chlorine concentration of the generated water from the conductivity, and when the chlorine concentration is equal to or higher than a set value, the first two-way switching valve 47 is opened and at the same time the second two-way switching valve 49 is operated. When closed, the strong acid water having a chlorine concentration equal to or higher than a set value is stored in the strong acid water tank 25. After that, by repeating the same operation, only the strongly acidic water having a pH of 2 or less is stored in the strongly acidic water tank 25.

The strongly acidic water tank 25 can store, for example, 50 liters of strongly acidic water.
First pipe 5 for strongly acidic water that connects the first tap 5 and the first tap 5
1 is provided with a first pump 52 which is a DC pump and the air vent pipe 9, and the foot switch 1
By stepping on 0, the first pump 52 can be driven to discharge the strongly acidic water stored in the strongly acidic water tank 25 from the first faucet 5. When the first pump 52 is started, the cock 9a of the air vent pipe 9 is opened to remove the air in the first pump 52, so that water can be reliably pumped even if the head difference H is large. . Further, a second pump 54 composed of a DC pump is provided in the second pipe 53 for strongly acidic water that connects the strongly acidic water tank 25 and the second faucet 8, and by pushing the push switch 11, It is possible to drive the 2nd pump 54 to discharge the strongly acidic water stored in the strongly acidic water tank 25 from the second faucet 8. Reference numerals 55 and 56 are an upper limit water level sensor and a lower limit water level sensor attached to the strongly acidic water tank 25.

In the above structure, the spout 20a of the salt water tank 20 containing high-concentration salt water is applied to the tip inlet 17a of the salt water injection pipe 17 connected to the salt water tank 16 to inject the salt water into the salt water tank 20. After that, salt water having a predetermined concentration formed by mixing high-concentration salt water supplied from the salt water tank 20 with fresh water supplied through the fresh water supply pipe 26 in the mixer 34 is supplied into the electrolytic tank 24, and the electrolysis is performed. Strongly acidic water generated by electrolysis in the tank 24 is stored in the strongly acidic water tank 25. Then, for example, when a medical staff or a patient disinfects the hands in a hospital, the hands may be washed with the strongly acidic water discharged from the first faucet 5 by stepping on the foot switch 10. Further, when disinfecting the slippers, clothes, etc. of the medical staff or the patient, by pushing the push switch 11, the second faucet 8
The strong acid water discharged from the container may be put in a container such as a bucket, and the slippers and clothes may be washed with the strong acid water stored in the container. This can prevent breeding of MRSA and the like and prevent nosocomial infection. In addition, since strongly acidic water is reduced and returns to neutral water over time, it does not deteriorate the surrounding environment unlike a disinfectant solution containing a chemical.

[0026]

According to the first aspect of the invention, since the tip inlet of the salt water injection pipe connected to the salt water tank is exposed to the outside through the salt water injection portion formed at the proper position of the casing, the salt water is exposed. When pouring high-concentration salt water into the salt water tank by applying the pouring port of the tank to the tip injection port of the salt water injection pipe,
Even if salt water is spilled, the spilled salt water does not enter the casing, and it is possible to prevent an accident such as an electric leak due to the salt water being applied to the internal equipment in the casing. Further, since the salt water injection pipe extends obliquely upward, the salt water can be smoothly injected into the salt water tank through the salt water injection pipe.

According to the second aspect of the present invention, since the salt water spilled from the tip end injection port of the salt water injection pipe is collected in the hand wash stand, the surrounding environment can be maintained well.

According to the third aspect of the present invention, the salt water injecting portion is formed by partially recessing the casing, and the bottom wall of the salt water injecting portion is inclined obliquely downward toward the hand washing stand. Therefore, the salt water spilled from the tip inlet of the salt water injection pipe can surely flow into the hand wash basin through the bottom wall of the salt water injection portion, and the surrounding environment can be more favorably maintained.

According to the fourth aspect of the present invention, since the opening / closing lid is attached to the salt water injecting portion, the tip end injection port of the salt water injecting pipe cannot be seen from the outside, and the appearance is good.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of a strongly acidic water generator according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing an internal mechanism of the aircraft.

FIG. 3 is a perspective view of the aircraft.

[Explanation of symbols]

 1 Casing 3 Salt water injection part 3a Bottom wall of salt water injection part 7 Hand wash stand 16 Salt water tank 17 Salt water injection pipe 17a Tip injection port of salt water injection pipe 24 Electrolysis tank 26 Fresh water supply pipe

Claims (4)

[Claims] 1. A casing is provided with a salt water tank, an electrolysis tank, and a fresh water supply pipe, and is formed by mixing high-concentration salt water supplied from the salt water tank and fresh water supplied through the fresh water supply pipe. In a strongly acidic water generator, which supplies concentrated salt water into the electrolytic cell to generate strongly acidic water by electrolysis in the electrolytic cell, a salt water injection pipe connected to the salt water tank extends obliquely upward. A strongly acidic water generator characterized in that the tip end injection port is exposed to the outside by penetrating a salt water injection part formed at an appropriate position of the casing. 2. The strong acid water generator according to claim 1, wherein a hand washing stand is formed below the salt water injection portion of the casing. 3. The salt water injecting portion is formed by partially recessing a casing, and a bottom wall of the salt water injecting portion is inclined downward toward the hand washing stand. The strongly acidic water generator described in 2. 4. The strong acidic water generator according to claim 1, 2 or 3, wherein an opening / closing lid is attached to the salt water injecting portion.