JPH115086A - Circulation purifying system for bathtub water - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure sterilization with sterilizing means meeting the kinds of the objective bacteria by arranging at least two sterilizing means varying in kinds in the circulating route of bathtub water including a septic tank of a system for taking the bathtub water out of a bathtub and purifying this water, then returning the water again to the bathtub. SOLUTION: The circulating route 2 for taking the bathtub water out of the bathtub and returning the water again to the bathtub 1 is installed to the bathtub 1. This circulating route 2 is provided with a septic tank 10 via a five-way valve V1 . This septic tank 10 is constituted by supporting the rear surface of a filter bed 11 consisting of filter media, such as active carbon, having an approximately spherical shape by a supporting body 12, such as a mesh filter, and disposing a nozzle facing near the front surface of this supporting body 12 from above so that the bathtub water for washing supplied from a washing water piping 5 is ejected toward the supporting body 12 and the filter media. The bottom of the septic tank 10 right under the supporting body 12 is provided with a heater 14. An electrolytic cell 15 is disposed right under the septic tank 10 of a return pipe 4a. Further, a UV irradiation apparatus 16 and an ozone generator 17 are disposed in mid-way of the return pipe 4a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circulating purification operation system in which bath water is taken out of a bath tub, purified, and then returned to the bath tub. In particular, the present invention relates to a system capable of effectively performing sterilization.

[0002]

2. Description of the Related Art In the above-mentioned circulating purification operation system, since the same water is purified and used repeatedly, it is necessary not only to remove dirt components but also to suppress the growth of bacteria. Therefore, as disclosed in Japanese Patent Publication No. Hei 6-87877, in addition to a septic tank having a function of adsorbing and decomposing dirt components in bath water, a heating device and an electrolytic bath are provided in a circulation path so that bath water is always kept at an appropriate temperature. There is known a technique in which germs contained in bath water are killed with ion water generated in an electrolytic bath while the water is kept in the bath.

[0003]

As shown in the above-mentioned prior art, a system provided with a sterilizer in a circulation path is conventionally known.
Only the type of equipment is used. The heating device is used as a means for maintaining the temperature of bath water, and rather promotes the growth of bacteria.

In a system in which the same water is purified and used repeatedly, various bacteria such as Escherichia coli and Legionella spp., Which are said to cause pneumonia, may propagate. Bacteria have different characteristics for each kind of bacteria, such as a kind weak to temperature, a kind weak to acidic water, a kind weak to ultraviolet rays and ozone, etc. Even if it can be suppressed, other bacteria may propagate.

[0005]

In order to solve the above-mentioned problems, a bathtub water circulation purification system according to the present invention has at least two different types of sterilization means arranged in a bathtub water circulation path including a purification tank. Examples of the sterilizing means include an ultraviolet irradiation device, an electrolytic cell, a heater, and an ozone generator.

[0006] By adopting the above configuration, an optimum sterilizing means can be selected in accordance with the type of bacteria to be sterilized. However, in actual operation, which sterilizing means should be selected, particularly, 2 It is difficult for a user at home to perform a combination of more than one kind of sterilization means.

Therefore, in the second invention of the present application, switches for selecting the sterilization means, the type of the cleaning operation, the set temperature and the like are collectively arranged on one operation panel. With such a configuration, the circulation purification operation system can be popularized in ordinary households.

For example, according to the type of bacteria on the operation panel,
Switches for executing a sequence until the bacteria are killed are provided. In addition, switches that can set the sterilization strength arbitrarily are provided on the operation panel. Alternatively, switches capable of arbitrarily setting the sterilization time are provided on the operation panel. With such a configuration, it is possible to kill the target bacterium with one touch without waste.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is an overall configuration diagram of a bath tub water circulation purification system according to the present invention. The circulation purification system is provided with a circulation path 2 in a bathtub 1 for taking bathtub water out of the bathtub and returning it to the bathtub again. Septic tank 10 in 2
Is provided.

The circulation path 2 supplies the bath water in the bath 1 to a five-way valve V _1.
The first introduction pipe 3a for guiding to a second inlet pipe 3b for introducing-five-way valve V ₁ the bath water in the septic tank 10, a first guiding bath water which has been purified in the septic tank 10 than five-way valve V ₁ Return pipe 4
configured the bath water which has been purified through a and five-way valve V ₁ from the second return pipe 4b back into the bathtub 1, and washed supplies bath water for backwash-five-way valve V ₁ to the septic tank 10 Water pipe 5
Is provided between the five-way valve V ₁ and the septic tank 10.

The septic tank 10 is configured such that a lower surface of a filter bed 11 made of a substantially spherical filter medium such as activated carbon is supported by a support 12 such as a mesh filter. Instead, the washing bath water supplied from the washing water pipe 5 is jetted toward the support 12 and the filter medium. Further, from the position above the filter bed 11 is derived drainage pipe 6a having a solenoid valve EV _1, drain pipe 6b with the solenoid valve EV ₂ is derived from the position below the filter bed 11.

Also, the septic tank 10 immediately below the support 12
A heater 14 is provided at the bottom of the tank, an electrolytic tank 15 is provided immediately below the purification tank 10 of the first return pipe 4a, and an ultraviolet irradiation device 16 and an ozone generator 17 are provided in the middle of the first return pipe 4a. Provided. The heater 14, the electrolytic cell 15, the ultraviolet irradiation device 16 and the ozone generator 17 are provided for sterilization, and are individually turned on and off.

In particular, the distance between the heater 14 and the support 12 is set such that the lower surface of the support 12
The heating distance is set as described above.
2 is a distance enough to reach the ionic water exhibiting a sterilizing effect generated by the electrolytic cell 15, specifically, below the support 12, chlorine which is rich in oxidizing power and sterilizing power generated by electrolysis. Alternatively, the ultraviolet irradiation device 16 and the ozone generation device 17 may be a single device with a distance that can be reached by hypochlorous acid. In the illustrated example, each of the sterilizing means is provided in the septic tank or in the middle of the first return pipe 4a, but may be provided in any pipe as long as it is in the circulation path.

FIG. 2 is a diagram showing an example of an operation panel for operating the above-mentioned system. In the present invention, switches required for operating the system are integrated into one operation panel.

Specifically, an on / off switch for the system is provided above the left side of the operation panel, and a portion for displaying the current state and whether or not there is a reservation (time for performing sterilization) is provided below the switch. The right part of the operation panel is divided into upper and lower parts, a switch for instructing an operation pattern is provided on an upper part, and a switch for selecting various sterilization means and a switch for instructing sterilization strength are provided in a lower part.

FIG. 3 is a diagram showing another example of the operation panel. A switch for purifying operation and blow operation is displayed above the left portion of the operation panel, and the current state and the presence or absence of a reservation are displayed below the switches. On the right side of these parts, a switch for specifying bacteria to be sterilized is provided, and when this switch is turned on, a sequence until the bacteria are killed is executed. That is, when a switch for designating a bacterium to be sterilized is pressed, a sterilizing means most suitable for sterilizing the bacterium is automatically selected and the sterilizing means is driven. For example,
When Legionella bacteria is designated, selection is made such that both the electrolytic cell and the heater are driven.

The operation panel is provided with switches for instructing the strength and reservation of sterilization, and for starting and ending sterilization. Further, below these switches, a washing (backwash) switch, warming of bath water, heat And a switch for instructing energy-saving operation. Further, when the washing switch is pressed, the backwashing operation pattern according to the situation at that time is automatically selected, and the optimum backwashing pattern is performed.

[0018]

According to the present invention, as described above, at least two different types of sterilizing means are provided in the bath water circulation path.
Since these are arranged, it is possible to select a sterilizing means according to the kind of the target bacterium or to sterilize by an optimal combination of the sterilizing means.

Further, since switches for selecting the type of sterilization and the like are collectively arranged on one operation panel, the optimum sterilizing means or the combination of the optimal sterilizing means can be performed with one touch without the user having to think about it. , Convenient.
In addition, not only the type of sterilization, but also the selection of the purification operation pattern, temperature setting, etc. can be performed only by operating the switch on the operation panel, so that a circulating purification system suitable for use in ordinary households is provided. Can be.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a bath water circulation purification system according to the present invention.

FIG. 2 shows an example of an operation panel.

FIG. 3 is a diagram showing another example of the operation panel.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Bathtub, 2 ... Circulation path, 3a ... 1st introduction pipe, 3b ...
Second inlet pipe, 4a first return pipe, 4b second return pipe, 5 washing water pipe, 10 septic tank, 11 filter bed, 12
... Support, 13 ... Nozzle, 14 ... Heater, 15 ... Electrolyzer, 16 ... Ultraviolet irradiation device, 17 ... Ozone generator.

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[Procedure amendment]

[Submission date] April 10, 1998

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] Fig. 1

[Correction method] Change

[Correction contents]

FIG.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI C02F 1/50 560 C02F 1/50 560A 560B 560C 560F A47K 3/00 A47K 3/00 K B01D 35/027 C01B 13/10 D C01B 13/10 C02F 1/02 C C02F 1/02 1/32 1/32 1/46 A 1/46 1/78 1/78 F24H 9/00 W F24H 9/00 B01D 35/02 J

Claims (6)

[Claims] 1. A bathtub water circulating purification system in which bathtub water is taken out of the bathtub and purified in a septic tank, and the purified bathtub water is returned to the bathtub again. A circulation purification system for bathtub water, wherein at least two different types of sterilizing means are arranged in the circulation path of the bathtub. 2. The bath tub water circulation purifying system according to claim 1, wherein said sterilizing means is at least two of an ultraviolet irradiation device, an electrolytic bath, a heater and an ozone generator. Water circulation purification system. 3. A bathtub water circulating purification system in which bathtub water is taken out of the bathtub and purified in a septic tank, and the purified bathtub water is returned to the bathtub again. A circulating purification system for bathtub water, comprising an operation panel in which switches to be operated are collectively arranged. 4. The circulation purification system for bathtub water according to claim 3, wherein the operation panel is provided with switches for executing a sequence until the bacteria are killed in accordance with the type of the bacteria. A bath tub water circulation purification system. 5. The bathtub water circulation / purification system according to claim 3, wherein the operation panel is provided with switches capable of arbitrarily setting a sterilization strength. 6. The bathtub water circulation purification system according to claim 3, wherein the operation panel is provided with switches capable of arbitrarily setting a sterilization time.