JP6422766B2 - Ozone water disinfector - Google Patents

Description

  The present invention relates to an ozone water disinfector that performs disinfection processing of a disinfecting object placed in a disinfection tank using ozone water. More specifically, the present invention relates to an ozone water disinfecting machine that can disinfect medical devices contaminated with tuberculosis bacteria.

  As an ozone water sterilizer, as disclosed in Patent Document 1, an endoscope sterilizer for disinfecting an endoscope is known. In the endoscope sterilization apparatus, tap water is supplied as raw water into a sterilization tank (disinfection tank), ozone gas is injected into the raw water stored in the sterilization tank, and ozone water is generated in the sterilization tank. After the ozone concentration of the ozone water reaches a predetermined concentration, the endoscope to be sterilized disposed in the sterilization tank is sterilized with ozone water while circulating the ozone water in the sterilization tank. After the sterilization treatment, the ozone water in the sterilization tank is discharged after removing ozone through an ozonolysis device.

JP 2014-33794 A

  In conventional ozone water disinfectors such as endoscope sterilizers, generally, the ozone concentration is maintained at a constant concentration of about 0.5 ppm and the disinfection treatment is performed for a fixed processing time of about 5 minutes. Yes. Moreover, tap water is used as raw water for generating ozone water.

  In disinfection of medical devices such as endoscopes, a high disinfection effect that can kill tuberculosis bacteria called high-level disinfection may be required. However, no ozone water disinfector using high-concentration ozone water that can handle high-level disinfection has been proposed.

  Here, in order to increase the ozone concentration of the ozone water used in the ozone water disinfector, it is necessary to lengthen the time for injecting ozone gas into the raw water. In particular, when the temperature of the raw water is high, the ozone dissolution rate decreases, so it takes a long time to obtain the desired ozone concentration. For example, since the temperature of tap water used as raw water is high in summer, the dissolution rate of ozone decreases and it takes a long time to increase the ozone concentration. As a result, the time required for one disinfection process becomes longer, and the working efficiency is greatly reduced.

  In hospitals, etc., in order to secure the processing time for the disinfection treatment with the ozone water disinfection device, when using medical instruments such as endoscopes repeatedly, disinfection treatment is not in time and there is a problem. I have come. For this reason, there is a strong demand for shortening the processing time. However, the conventional ozone water disinfector is configured to perform disinfection processing of an endoscope or the like over a predetermined processing time using ozone water having a constant ozone concentration as described above. Can not meet the demand for shortening.

  In view of these points, the problem of the present invention is that ozone that can be sterilized in various forms such as high-level sterilization that can cope with sterilization of Mycobacterium tuberculosis and sterilization with a short processing time. The purpose is to provide a water disinfector.

  In order to solve the above-described problems, the present invention provides an ozone water disinfectant that disinfects an object to be disinfected over a predetermined processing time using ozone water having a predetermined temperature and a predetermined ozone concentration. As the operation mode, at least a first operation mode and a second operation mode are provided. The first operation mode and the second operation mode differ in at least one of the ozone concentration and the processing time. Further, the disinfection process is performed by executing the preset operation mode or the operation mode selected by an external input.

  The ozone water disinfector of the present invention can select one of a plurality of operation modes and perform disinfection processing on a disinfection target. By preparing an operation mode using ozone water with a high ozone concentration, an operation mode with long treatment time using ozone water with a low ozone concentration, etc. as the operation mode, disinfection processing is performed in an operation mode suitable for the user. be able to.

In addition, the ozone water disinfecting machine of the present invention is configured such that the first operation mode is the ozone concentration and the treatment in order to perform high-level disinfection capable of disinfecting tuberculosis bacteria and disinfection with a short treatment time. Time is an operation mode comprising a combination of a first ozone concentration capable of disinfecting Mycobacterium tuberculosis and a first treatment time, and the second operation mode is a second ozone concentration having the same ozone concentration as the first ozone concentration, The operation mode is a second processing time in which the processing time is shorter than the first processing time .

  High-level disinfection can be realized by using high-concentration ozone water. Moreover, in the case of normal disinfection, treatment time can be shortened and working efficiency can be improved by using ozone water with high concentration.

  When high-concentration ozone water is used, it is desirable that the temperatures of the first operation mode and the second operation mode are values that are not more than a preset temperature.

  In the ozone water disinfector, tap water supplied from the outside is generally used as raw water for generating ozone water, and ozone gas is injected into the tap water to generate ozone water having a predetermined concentration and used for disinfection. When the tap water temperature is high, it takes a long time to generate high-concentration ozone water. By reducing the temperature of the ozone water, and hence the temperature of the raw water, to a set temperature or lower, highly concentrated ozone water can be generated in a short time. Thereby, it can suppress that work efficiency falls due to the required time for using high concentration ozone water.

  In addition, when an endoscope or the like is exposed to high-temperature ozone water, the material may be deteriorated. Such material deterioration can be suppressed by lowering the ozone water temperature.

  In the present invention, in the first operation mode, the first ozone concentration is 3 ppm and the first treatment time is 5 minutes, and in the second operation mode, the second ozone concentration is 3 ppm and the second treatment time. Is 1 minute, and it is desirable that the set temperature in both operation modes is 20 ° C.

  The disinfection effect by ozone water corresponds to the product of ozone concentration and treatment time. According to the combination of the first ozone concentration and the treatment time in the first operation mode, high-level disinfection capable of disinfecting tuberculosis bacteria can be realized. Further, according to the second operation mode, quick disinfection with a short processing time can be realized.

  Here, another third operation mode may be included as the operation mode. In the third operation mode in this case, the ozone concentration may be a third ozone concentration lower than the first ozone concentration, and the third processing time may be longer than the second processing time.

  In the third operation mode, ozone water having a lower concentration than that in the first and second operation modes is used, so that the temperature adjustment can be omitted.

A typical ozone water disinfectant according to the present invention is an operation of disinfection processing in an ozone water disinfectant that disinfects an object to be disinfected over a predetermined processing time using ozone water having a predetermined temperature and a predetermined ozone concentration. As a mode, at least a first operation mode and a second operation mode are provided.
The The first operation mode and the second operation mode differ in at least one of the ozone concentration and the processing time. Further, the operation mode selected in advance or the operation mode selected by an external input is executed to perform disinfection processing, and the first to third operation modes are provided as the operation modes. The first operation mode is a high-level disinfection mode in which the ozone concentration and the treatment time are a combination of a first ozone concentration and a first treatment time capable of disinfecting tuberculosis bacteria, and the temperature is equal to or lower than a first set temperature. is there. In the second operation mode, the ozone concentration is the same as the first ozone concentration, the second treatment time is shorter than the first treatment time, and the temperature is the first set temperature. This is a quick disinfection mode with the same or different second set temperature or lower. In the third operation mode, the ozone concentration is a third ozone concentration lower than the first ozone concentration, the third processing time is longer than the second processing time, and the temperature is not adjusted. Disinfection mode.

  Here, in the high-level disinfection mode, it is preferable that the first ozone concentration is 3 ppm, the first treatment time is 5 minutes, and the first set temperature is 20 ° C. In the quick disinfection mode, it is preferable that the second ozone concentration is 3 ppm, the second treatment time is 50 seconds, and the second set temperature is 20 ° C. In the standard disinfection mode, it is preferable that the third ozone concentration is 0.5 ppm and the third treatment time is 5 minutes.

It is the external appearance perspective view of the front side of the ozone water endoscope disinfection machine to which this invention is applied, and the external appearance perspective view of the back side. It is a schematic block diagram of the ozone water endoscope disinfection machine of FIG.

  Embodiments of the present invention will be described below with reference to the drawings. In the following embodiments, the present invention is applied to an ozone water endoscope disinfecting machine for disinfecting an endoscope. The ozone water disinfector of the present invention is not limited to the disinfection of endoscopes, but can be applied to disinfection of other medical devices and other instruments.

  FIG. 1A is a front external perspective view showing an ozone water endoscope disinfecting apparatus according to this embodiment, and FIG. 1B is a rear external perspective view thereof. In addition, in FIG.1 (b), the display of the cold water unit and the ozonolysis device which are externally attached to the ozone water endoscope disinfector is omitted. In the ozone water endoscope disinfection machine, the endoscope, which is the object of disinfection, is immersed in the disinfection tank filled with ozone water, and the ozone water is circulated in the disinfection tank and the ozone water is passed through the endoscope. By flowing through the inside, the endoscope is cleaned and disinfected.

  If it demonstrates with reference to FIG. 1, the ozone water endoscope disinfection machine 1 will be provided with the exterior case 2 of the vertically long rectangular parallelepiped shape as a whole, for example. On the upper surface of the outer case 2, a lid 3 that can be opened upward with the rear edge as a center is attached. When the lid 3 is opened, the sterilization tank 4 disposed inside the outer case 2 opens upward, and the endoscope 5 that is the object of sterilization can be inserted and installed in the sterilization tank 4 from above. It is. The front portion of the disinfection tank 4 in the exterior case 2 is a transparent window 6, and the state inside the disinfection tank 4 can be visually observed through the window 6 from the front.

A touch panel 7 as an operation input / display unit is disposed on the rear side of the lid 3 on the upper surface of the outer case 2. The touch panel 7 serves as both a touch panel operation panel and a status display liquid crystal display panel. By touching the work content displayed on the touch panel 7, processing such as disinfection is executed, and the progress status of the current work is displayed on the liquid crystal display panel. In this example, an operation mode selection button for disinfection processing is displayed, and the operator can select the operation mode by touching the selection button. On the side of the touch panel 7, a water flow confirmation window 8 is provided for visually confirming whether water is flowing normally during the disinfection process.

  A power switch 11 and a power inlet 12 are arranged in parallel at the upper central portion of the back surface of the outer case 2. A water supply port 14 for supplying tap water used as raw water for generating ozone water is disposed at a portion on one end side in the upper portion of the back surface. A cold water supply port 15 is disposed below the water supply port 14. Cold water used for temperature adjustment (temperature control) of raw water for generating ozone water is supplied from the cold water unit 16 to the cold water supply port 15. The cold water unit 16 cools the tap water to generate cold water and stores it inside.

  An oxygen supply port 17 to which oxygen used for ozone generation is supplied is disposed at the other end side portion of the back surface of the outer case 2. Oxygen is supplied to the oxygen supply port 17 from an oxygen cylinder (see FIG. 2) or from a hospital oxygen pipe in a hospital or the like. A drain port 18 for discharging ozone water after being used for the disinfection treatment is disposed on the lower side of the back surface. The ozone water discharged from the drain outlet 18 after the disinfection process is completed is discharged through the ozone decomposer 19. Further, an exhaust port 20 is formed on the back surface of the exterior case 2 opposite to the drain port, and ozone gas emitted from the disinfection tank 4 is decomposed via a built-in ozone decomposition unit (see FIG. 2). It is discharged as oxygen gas.

  FIG. 2 is a schematic configuration diagram of an ozone water endoscope disinfection system configured around the ozone water endoscope disinfector 1. Inside the ozone water endoscope disinfecting machine 1, a disinfecting tank 4 for cleaning and disinfecting the endoscope 5 is arranged. The ozone water 22 is supplied from the ozone water generation unit 21 to the sterilization tank 4. For example, 20 liters of ozone water having a predetermined concentration is supplied.

  Supply water supplied from the outside, usually tap water 23, is used as raw water for generating ozone water. The tap water 23 is supplied from the water supply port 14 to the ozone water generation tank 21 a of the ozone water generation unit 21 through the filter 24 and the opening / closing valve 25. A water temperature meter 27 for detecting the water temperature of the tap water 23 is attached to the water supply path.

  The tap water 23 is supplied to the cold water unit 16, cooled to cold water 28 having a preset temperature lower than 20 ° C., for example, 5 ° C., and stored in the cold water unit 16. Cold water 28 can be supplied from the cold water unit 16 to the ozone water generation tank 21a through an on-off valve 29 as necessary.

  In the ozone water generation tank 21a, when the tap water 23 is higher than the set temperature, the cold water 28 is supplied from the cold water unit 16, and the tap water 23 and the cold water 28 are mixed to generate ozone water at the set temperature. Raw water is generated and stored. When the tap water 23 is lower than the set temperature, the cold water 28 is not supplied. Thereby, raw water for ozone water generation at a temperature of 20 ° C. or lower is generated in the ozone water generation tank 21a.

  In this example, the temperature of the ozone water 22 supplied into the disinfection tank 4 is not directly controlled. In general, the ozone water endoscope disinfector 1 is mostly used in a place where the environmental temperature is kept constant, such as in a hospital, and the temperature of the ozone water supplied to the disinfection tank 4 varies greatly. Very unlikely. Therefore, if the water temperature of raw water is managed, the ozone water temperature in the disinfection tank 4 can be managed substantially. Of course, it is also possible to detect the temperature of the ozone water directly in the sterilization tank 4 with a water temperature meter or the like and control the temperature.

On the other hand, ozone gas 31 for generating ozone water is generated by an ozonizer 32 and supplied to an ozone water generating tank 21 a of the ozone water generating unit 21. The ozonizer 32 generates ozone gas from oxygen supplied from an oxygen cylinder 33 which is an external oxygen supply source through the oxygen supply port 17.

  The ozone water generation tank 21a of the ozone water generation unit 21 is a tank of approximately the same capacity as the disinfection tank 4, for example, a 20 liter tank. Ozone gas 31 is injected from the ozonizer 32 after the raw water of the set temperature has accumulated in the ozone water generation tank 21a. Thereby, ozone melt | dissolves in raw | natural water and the ozone water 22 of predetermined concentration is produced | generated.

  By controlling the injection amount (injection time) of the ozone gas 31 into the ozone water generation tank 21a, the ozone concentration of the ozone water 22 in the ozone water generation tank 21a can be controlled to be a predetermined concentration.

  When ozone water 22 having a set concentration is generated in the ozone water generation tank 21a, the ozone water 22 is supplied to the disinfection tank 4 via the ozone water supply pipe 34 and the supply pump 35. In the sterilization tank 4, the endoscope 5 that is the object to be sterilized is set in advance so as to be immersed in the ozone water 22 in the sterilization tank 4.

  In the disinfection process, the endoscope 5 is disinfected while circulating the ozone water 22 in the disinfection tank 4 through the circulation pipe 36 and the circulation pump 37. In addition, although illustration is abbreviate | omitted, in order to let ozone water 22 pass into the inside of the endoscope 5, a tube is connected to the air supply / water supply port and forceps port of the endoscope 5, and the inside is connected through these tubes. Ozone water flows through the inside of the endoscope 5.

  The ozone concentration of ozone water circulating through the disinfection tank 4 is measured by an ozone water concentration meter 38 attached to the circulation pipe 36. When the measured ozone concentration of the ozone water 22 is lower than the set concentration, the ozone gas 31 is supplied from the ozonizer 32 through the branch tube 39 for supplying ozone gas. Thereby, the ozone concentration of the ozone water 22 is maintained at the set concentration. Further, the ozone gas discharged from the disinfection tank 4 during the disinfection treatment is decomposed through the ozone decomposition unit 41 and becomes oxygen gas and is discharged outside through the exhaust port 20.

  After the disinfection process is completed, the ozone water 22 in the disinfection tank 4 can be discharged to a predetermined drain pipe 43 through the drain pipe 42 and the ozone decomposer 19. The ozone decomposer 19 is filled with ozone decomposition products such as activated carbon and decomposes ozone contained in the discharged ozone water.

  Here, the drive control of each part is performed by the sterilizer control unit 50. For example, the sterilizer control unit 50 is configured around a microcomputer, and executes a sterilization process according to a selected operation mode by driving and controlling each unit by executing a preinstalled program. Control various operations. For example, in this example, there are three types of operation modes, a high-level disinfection mode 51 (first operation mode), a quick disinfection mode 52 (second operation mode), and a standard disinfection mode 53 (third operation mode). .

  The sterilizer control unit 50 displays mode selection buttons 51 a, 52 a, and 53 a on the touch panel 7. When the operator operates one of the mode selection buttons, the operation mode corresponding to the operated mode selection button is set as the operation mode of the disinfection process. The sterilizer control unit 50 executes the sterilization process according to the selected operation mode.

That is, according to the selected operation mode, the sterilizer control unit 50 controls the ozone concentration of the ozone water 22 in the sterilization tank 4, and the process in which the sterilization process with the set concentration of ozone water in the sterilization tank 4 is set. Over time. In the operation mode in which the temperature of the ozone water is set, the temperature of the raw water generated in the ozone water generation tank 21a, and thus the temperature of the generated ozone water 22 is controlled to be equal to or lower than the set water temperature. To do.

(Cold water unit)
Next, the cold water unit 16 is a unit externally attached to the ozone water endoscope disinfector 1 in this example, and can be connected and used as necessary. It is also possible to incorporate the cold water unit 16 into the ozone water endoscope disinfector 1. The cold water unit 16 includes a cold water tank 61, to which tap water 23 is supplied as raw water for generating ozone water through a water supply pipe 62 and a filter 63. The raw water stored in the cold water tank 61 is circulated through the chiller 65 by the circulation pump 64, whereby cold water 28 having a temperature lower than the set temperature, for example, 5 ° C. is obtained in the cold water tank 61.

  The cold water unit 16 includes a control unit 66. The controller 66 operates in conjunction with the sterilizer control unit 50. The controller 66 can control the amount of stored water to be constant based on a liquid level sensor 67 attached to the cold water tank 61. Moreover, based on the measured value of the water temperature gauge 68 attached to the cold water tank 61, the temperature of the cold water 28 in the cold water tank 61 can be controlled to a predetermined temperature, for example, 5 ° C. The cold water tank 61 is a tank having a smaller capacity than the ozone water generation tank 21a, and is, for example, 10 liters.

(Example of operation mode)
As described above, the ozone water endoscope disinfector 1 has the first operation mode, the second operation mode, and the third operation mode as operation modes. In this example, the first operation mode consists of a combination of the ozone concentration and the treatment time of the ozone water 22 and the first ozone concentration and the first treatment time capable of disinfecting tuberculosis, and the first temperature (ozone water temperature) is This is a high-level disinfection mode 51 that is set to a preset first set temperature or lower.

  On the other hand, the second and third operation modes are operation modes used for general disinfection, although the disinfection effect is lower than that of the first operation mode. The disinfection effects in the second and third operation modes are set to the same level. That is, since the disinfection effect corresponds to the product of the ozone concentration and the processing time, these products are set so as to have the same value.

  Among these, in the second operation mode, the second ozone concentration is the same as the first ozone concentration, the second treatment time is shorter than the first treatment time, and the second temperature (ozone water temperature) is previously set. The quick disinfection mode 52 is set to be equal to or lower than the set second set temperature. That is, this is an operation mode in which the treatment time is shortened by increasing the ozone concentration for short-time treatment. The third operation mode is a standard operation mode, in which the ozone concentration is lower than the first ozone concentration, the third treatment time is longer than the second treatment time, and the ozone water temperature is adjusted ( This is a standard disinfection mode in which no control is performed.

  More specifically, as shown in the following operation mode list, in the high-level disinfection mode 51 of this example, the first ozone concentration is 3 ppm, the first treatment time is 5 minutes, and the first set temperature is 20 ° C. It is. In the quick disinfection mode 52, the second ozone concentration is 3 ppm, the second treatment time is 50 seconds, and the second set temperature is 20 ° C. In the standard disinfection mode, the third ozone concentration is 0.5 ppm and the third treatment time is 5 minutes.

(Operation mode list)
Operation mode name Ozone concentration Treatment time Ozone water temperature control High-level disinfection mode 3ppm 5 minutes 20 ° C or less Quick disinfection mode 3ppm 50 seconds 20 ° C or less Standard disinfection mode 0.5ppm 5 minutes No control

(Example of disinfection operation)
For example, when the high-level disinfection mode 51 is selected as the operation mode of the disinfection process, each unit operates as follows under the control of the disinfector control unit 50.

  In this case, the disinfection conditions are such that the concentration of ozone water is 3 ppm, the treatment time is 5 minutes, and the ozone water temperature is 20 ° C. or less so that tuberculosis bacteria can be disinfected. For example, when the power switch 11 is turned on, the cold water unit 16 attached to the ozone water endoscope disinfecting machine 1 starts a cold water generating operation, and for example, a predetermined amount of cold water of 5 ° C. is supplied to the cold water tank 61. Accumulate.

  In the disinfection process, the disinfector control unit 50 opens the on-off valve 25 and takes in tap water 23 whose temperature is not adjusted as raw water for ozone water generation into the ozone water generation tank 21a through the filter 24. Start. Further, based on the temperature of the tap water 23 detected by the water temperature gauge 27, the opening / closing valve 29 is controlled to open and close, and the intake amount of the cold water 28 from the cold water unit 16 is controlled.

  When the temperature of the tap water 23 is significantly higher than the set temperature (20 ° C.), such as in summer, the mixing ratio of the cold water 28 to the tap water 23 is increased. On the other hand, when the temperature of the tap water 23 is slightly higher than the set temperature, the mixing ratio of the cold water 28 to the tap water 23 is decreased. Further, when the temperature of the tap water 23 is lower than 20 ° C. as in winter, the cold water 28 is not taken up.

  The ozone water 31 generated by the ozonizer 32 is taken into the ozone water generation tank 21a from the time when the raw water whose temperature is adjusted in a predetermined amount is accumulated in the ozone water generation tank 21a, and the ozone water 22 is dissolved in the raw water. The operation to generate is performed. By controlling the injection amount (injection time) of the ozone gas 31, the concentration of the ozone water 22 in the ozone water generation tank 21a can be controlled to be around 3 ppm which is the set concentration.

  After a predetermined amount of ozone water 22 having a set concentration is generated, the sterilizer control unit 50 supplies the ozone water 22 to the sterilization tank 4 in which the endoscope 5 to be sterilized is set. On the disinfection tank 4 side, the circulation pump 37 is driven to start circulation of the ozone water 22. When the ozone water concentration measured by the ozone water concentration meter 38 is less than 3 ppm, the ozone gas 31 is introduced from the ozonizer 32 into the disinfecting tank 4 and the ozone concentration is adjusted to the set concentration. In a state where the ozone concentration has reached 3 ppm, the endoscope 5 is sterilized over a set processing time (5 minutes).

  When it is detected by the built-in timer or the like that 5 minutes of the processing time of the sterilization process has elapsed, the sterilization process is terminated, and a discharge operation for discharging the ozone water 22 from the sterilization tank 4 is performed.

  As described above, the ozone water endoscope disinfector 1 includes the high-level disinfection mode 51 and the quick disinfection mode 52 in addition to the standard disinfection mode 53 as the operation mode of the disinfection process. By selecting the high-level disinfection mode, it is possible to function as a high-level disinfection machine that can disinfect tuberculosis bacteria. When high-level disinfection is not required, the material deterioration of the endoscope of the disinfection target can be suppressed by selecting the standard disinfection mode with a low ozone concentration. If the quick disinfection mode is selected, it is possible to perform disinfection by short-time processing within 1/5 compared to the standard disinfection mode.

Further, in an operation mode using high-concentration ozone water (high-level disinfection mode, quick disinfection mode), the temperature of the ozone water is controlled and the temperature of the ozone water is adjusted to 20 ° C. or less. High-concentration ozone water can be generated in a shorter time compared to the case of generating high-temperature tap water that is not temperature-controlled. Therefore, high-level disinfection of medical equipment such as an endoscope can be performed with an efficient and inexpensive configuration without significantly increasing the processing time. Moreover, quick disinfection that can be performed for a short time using high-concentration ozone water can be realized.

  Further, in the operation mode using high-concentration ozone water, the temperature of the ozone water is controlled to 20 ° C. or lower, so that it is possible to suppress the adverse effect that the disinfecting object exposed to the high-temperature ozone water is deteriorated in material.

(Other embodiments)
In the above example, three types of operation modes are provided. The types of operation modes are not limited to three types, but may be two types or four or more types.

  In the above example, the ozone concentrations in the high-level disinfection mode and the quick disinfection mode are the same, but different ozone concentrations are also possible. Similarly, the processing times in the high-level disinfection mode and the standard disinfection mode are the same, but different processing times can be used.

DESCRIPTION OF SYMBOLS 1 Ozone water endoscope disinfector, 2 exterior case, 3 lid, 4 disinfection tank, 5 endoscope, 6 windows, 7 touch panel, 8 water flow confirmation window, 11 power switch, 12 power inlet, 14 water inlet, 15 cold water Supply port, 16 Cold water unit, 17 Oxygen supply port, 18 Drain port, 19 Ozone decomposer, 20 Exhaust port, 21 Ozone water generation unit, 21a Ozone water generation tank, 22 Ozone water, 23 Tap water, 24 Filter, 25 Open / close Valve, 27 Water temperature meter, 28 Cold water, 31 Ozone gas, 32 Ozonizer, 33 Oxygen cylinder, 34 Ozone water supply pipe, 35 Supply pump, 36 Circulation pipe, 37 Circulation pump, 38 Ozone water concentration meter, 39 Branch pipe for ozone gas supply , 41 Ozone decomposition unit, 43 Drainage pipe, 50 Disinfector control unit, 51 High-level disinfection mode, 52 Quick disinfection mode, 53 standard disinfection mode, 51a mode selection button, 51b mode selection button, 51c mode selection button, 61 cold water tank, 62 water supply pipe, 63 filter, 64 circulation pump, 65 chiller, 66 control unit, 67 liquid level Sensor, 68 Water temperature gauge

Claims (7)

An ozone water disinfector that disinfects an object to be disinfected over a predetermined processing time using ozone water having a predetermined temperature and a predetermined ozone concentration,
As an operation mode of the disinfection process, at least a first operation mode and a second operation mode are provided,
The first operation mode and the second operation mode are different in at least one of the ozone concentration and the processing time,
There line disinfection process by executing the operation mode selected by the operation mode or the external input is previously set,
In the first operation mode, the ozone concentration and the treatment time are a combination of a first ozone concentration and a first treatment time capable of disinfecting tuberculosis bacteria,
In the second operation mode, the ozone concentration is a second ozone concentration that is the same as the first ozone concentration, and the treatment time is a second treatment time shorter than the first treatment time. Water disinfector. In the first operation mode, the temperature of the ozone water is controlled to be equal to or lower than a first set temperature,
2. The ozone water disinfector according to claim 1 , wherein in the second operation mode, the temperature of the ozone water is controlled to be equal to or lower than a second set temperature that is the same as or different from the first set temperature. In the first operation mode, the first ozone concentration is 3 ppm, and the first treatment time is 5 minutes,
In the second operation mode, the second ozone concentration is 3 ppm, and the second treatment time is 1 minute,
The ozone water disinfector according to claim 2 , wherein the first set temperature and the second set temperature are 20 ° C. The operation mode further includes a third operation mode,
And in the third operation mode, the a third ozone concentration lower than the ozone concentration of the first ozone concentration, the processing time according to claim 1, wherein the third processing time longer than the second processing time Ozone water disinfector. The ozone water disinfector according to claim 4 , wherein temperature control of the ozone water is not performed in the third operation mode. An ozone water disinfector that disinfects an object to be disinfected over a predetermined processing time using ozone water having a predetermined temperature and a predetermined ozone concentration,
As an operation mode of the disinfection process, at least a first operation mode and a second operation mode are provided,
The first operation mode and the second operation mode are different in at least one of the ozone concentration and the processing time,
Perform the disinfection process by executing the operation mode set in advance or the operation mode selected by an external input,
As the operation mode, in addition to the first operation mode and the second operation mode, a third operation mode is provided,
The first operation mode is a high-level disinfection mode in which the ozone concentration and the treatment time are a combination of a first ozone concentration and a first treatment time capable of disinfecting tuberculosis bacteria, and the temperature is equal to or lower than a first set temperature. Yes,
In the second operation mode, the ozone concentration is a second ozone concentration that is the same as the first ozone concentration, the treatment time is a second treatment time shorter than the first treatment time, and the temperature is a second set temperature. The following quick disinfection modes
The third operation mode is a third ozone concentration in which the ozone concentration is lower than the first ozone concentration, a third treatment time in which the treatment time is longer than the second treatment time, and the temperature control of the ozone water is performed. An ozone water disinfector characterized by a standard disinfection mode that is not performed. In the high-level disinfection mode, the first ozone concentration is 3 ppm, the first treatment time is 5 minutes, and the first set temperature is 20 ° C.
In the quick disinfection mode, the second ozone concentration is 3 ppm, the second treatment time is 50 seconds, and the second set temperature is 20 ° C.
The ozone water disinfector according to claim 6 , wherein in the standard disinfection mode, the third ozone concentration is 0.5 ppm and the third treatment time is 5 minutes.

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