JP2003010859A - System for sterilizing waste hand washing water - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waste hand washing water sterilization system reduced in a size and weight, using no large electric power, and not needing the permission by the Labor Safety Law. SOLUTION: In the this system the storage tank 15 is usually closed by closing a drain port 12 and a drain cock 16. The port 15 is opened to discharge the water in a washbowl 11 from the port 12 to the tank 15 only when hand washing water is fed into the washbowl 11 or a shutting/opening switch 18 is pushed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sterilization system for hand-washing waste water.

[0002]

2. Description of the Related Art Conventionally, when sterilizing water in a washbasin, wastewater from a plurality of handwashers is collected at one place, and the wastewater collected here is sterilized by high-pressure steam, or a washbasin. Was equipped with a high-pressure steam sterilizer.

[0003]

However, in the conventional sterilization method, since the drain of the washbasin is always open, water that has not been sufficiently sterilized immediately after being used for hand washing can be used. , There was a risk of being discharged to the outside from the drain port.

Further, the high-pressure steam sterilizer requires a large-capacity power source, and since it is a pressure vessel, it is large and heavy, and there is a problem that it requires a manufacturing license under the Labor Safety Act.

The present invention has been made in view of the above-mentioned problems, and its purpose is to sufficiently sterilize waste water and then discharge the waste water to the outside, without requiring a large capacity power source, and to be small and lightweight. The purpose is to provide a sterilization system for hand-washing wastewater that does not require a manufacturing license such as the Industrial Safety Law.

[0006]

In order to achieve the above-mentioned object, a sterilization system for hand-washing drainage of the present invention is provided in a hand-washing device and a drain port of the hand-washing device, and normally closes the drain port. A drain plug, a drain plug moving means for moving the drain plug to open and close the drain port, a storage tank connected to the drain port, and a drain cock for draining water in the storage tank. A water supply means for supplying hand washing water into the hand washing device, the water supply means interlocking with the drain plug moving means and the drain cock, and an opening / closing switch for opening and closing the drain plug moving means, and usually the drain outlet And the drain is opened only when the drain cock is closed and the storage tank is maintained in a sealed state, and the hand washing water is supplied into the hand washing device, and when the opening / closing switch is pressed. He Characterized in that the water in the water basin is discharged into the reservoir tank from the drain opening (claim 1).

In the sterilization system for hand-washing drainage of the present invention, the water supply means does not operate when the drain cock is opened (claim 2), and the water level for detecting the water level in the storage tank. The storage means is provided with a detection means and an alarm means which is activated when the water level detection means detects a predetermined water level (claim 3), and the storage tank is provided with a vent having a sterilization filter. (Claim 4) is characterized.

According to this sterilization system for hand-washing drainage, the drain plug of the drain of the washbasin is opened only when water is supplied to the washbasin and when the open / close switch is pressed, and otherwise drainage is performed. Since it is closed by the stopper, the water in the storage tank can be sterilized for a sufficient time, and bacteria in the storage tank can be prevented from leaking from the drain of the washbasin. Since no sterilization equipment is used, the structure of the storage tank can be simplified and the cost can be reduced (Claim 1).

When the drain cock is opened, the water supply means is prevented from operating so that water that has just been supplied from the water supply means and has not been sufficiently sterilized.
It can be prevented from being discharged to the outside (claim 2).

When the water level detecting means for detecting the water level in the storage tank and the alarm means for operating when the water level detecting means detects a predetermined water level, the water in the storage tank is close to being full. At this time, by sounding the buzzer and blinking the lamp, it is possible to prevent the water in the storage tank from overflowing (claim 3).

Further, since the storage tank is provided with the vent having the sterilization filter, it is possible to prevent the bacteria in the storage tank from being discharged to the outside from the vent (claim 4).

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a sterilization system for hand-washing waste water according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a diagram showing a sterilization system for hand-washing waste water according to the present invention. As shown in FIG. 1, a sterilization system 1 for hand-washing drainage of the present invention includes a hand-washing device 11, a drain plug 13 provided at a drain outlet 12 of the hand-washing device 11 and normally closed, and the drain plug. It is provided with drain plug opening / closing means 14, 20, 21 for moving 13 to open / close the drain port 12.

The sterilization system 1 for hand-washing drainage has a storage tank 15 connected to the drain 12 of the washbasin 11.
And a drain cock provided on the bottom side of the storage tank 15.
16, and while supplying hand washing water into the above-mentioned hand washing device 11,
The drain plug opening / closing means 14, 20, 21 and the water supply means 17, 32, 34 connected to the drain cock 16 and the opening / closing switch 18 for opening / closing the drain plug opening / closing means 14, 20, 21 are provided.

Next, each component described above will be described. The drain plug opening / closing means 14, 20, 21 has a motor 20 and a link 21 connecting the motor 20 and the drain plug 13.
When the motor 20 rotates, the drain plug 13 moves up and down via the link 21 to open and close the drain port 12 of the washbasin 11.

The storage tank 15 is hermetically sealed, and an inlet 23 provided on a ceiling surface 22 thereof is connected to a drain port 12 of the washbasin 11. Further, the ceiling surface 22 is provided with a vent hole 24. A sterilizing filter 25 for supplementing bacteria is attached to the tip of the vent hole 24. An electrode rod 26 is attached to the ceiling surface 22 as a water level detecting means for further detecting the water level.

When it is detected that the electrode rod 26 is almost full, the buzzer 28 of the control unit 27 gives an alarm and at the same time,
The lamp 29 is designed to blink. The open / close switch 18 described above is provided in the control unit 27. The wastewater discharged from the drain cock 12 of the storage tank 15 is discharged to sewage or the like via the box-shaped drain trap 30.

The water supply means 17, 32, 34 include a foam faucet 31 arranged above the washbasin 11, a foot-operated on-off valve 32 connected upstream of the foam faucet 31, It is provided with a foot pedal 33 for opening and closing the foot opening / closing valve 32, a water supply control solenoid valve 34 and a water stop valve 35 connected in series to the water supply or upstream side of the foot opening / closing valve 32. .

The water supply control solenoid valve 34 is always open, but is closed when the drain cock 16 of the storage tank 15 is open. The stop valve 35 is always open. In addition to the open / close switch 18, the buzzer 28, and the lamp 29, the control unit 27 described above includes the electrode rod 26, the motor 20, and the drain cock 1.
6. It controls the foot pedal 33, the water supply control solenoid valve 34, and the like.

Next, the operation of the sterilization treatment system 1 for hand washing drainage will be described. When not using the washbasin 11,
The drain port 12 is closed by a drain plug 13. In this state, in order to wash the hands using the basin 11, when the user depresses the foot pedal 33, the foot opening / closing valve 32 is opened, and water is supplied from the foam type faucet 31 into the basin 11. Done. The user can wash his hands with this water supply.

At the same time that the foot-operated on-off valve 32 is opened, the motor 20 is operated, the drain plug 13 is raised via the link 21, and the drain port 12 of the washbasin 11 is opened. by this,
The used water in the washbasin 11 is discharged and stored in the storage tank 15.

When the user finishes washing the hands and stops stepping on the foot pedal 33, the foot opening / closing valve 32 is closed to stop the water supply, and the motor 20 reverses after a lapse of a certain time. The drain plug 13 descends and the drain 12 of the washbasin 11 is closed. This fixed time can be set appropriately.

Further, in order to sterilize the water in the storage tank 15, when a sterilizing chemical or the like is put into the storage tank 15, the motor 20 is automatically or manually pushed by pressing the open / close switch 18. When driven, the drain plug 13 rises and the drain 12 of the washbasin 11 is opened. Here, when a chemical is put into the washbasin 11, this chemical is put into the storage tank 15.

After sterilization, the drain cock 16 of the storage tank 15 is opened, and the sterilized water stored in the storage tank 15 is
It is discharged to the drain trap 30. Further, when the drain cock 16 is opened, the water supply control solenoid valve 34 of the water supply means 17 is closed so as not to open. by this,
It is possible to prevent the wash water that has just been supplied from the water supply means 17 and has not been sterilized, from being directly discharged to the outside through the storage tank 15.

When the drain cock 16 is closed, the water supply control solenoid valve 34 of the water supply means 17 is opened to enable water supply. Further, the rising duration of the drain plug 13 by the open / close switch 18 can be set appropriately.

When the water in the storage tank 15 approaches full water, the electrode rod 26 detects this and a full water detection signal is sent to the control unit 27. Then, the buzzer 28 sounds and the lamp 29 blinks. As a result, the administrator, etc.
It is possible to take necessary measures such as opening the door to drain the water in the storage tank 15.

As described above, in the sterilization system 1 for hand-washing drainage of the present invention, the drainage port 12 of the washbasin 11 and the drainage cock 16 of the storage tank 15 are normally closed, and when the water is supplied or the open / close switch 18 is pressed. Since the drainage port 12 is opened only when the storage tank 15 is opened, the cleaning water in the storage tank 15 is sterilized for a sufficient time, and bacteria in the storage tank 15 are prevented from leaking to the outside through the drainage port 12. It can be prevented.

A ventilation port 24 provided in the storage tank 15
Since a sterilizing filter 25 is attached to the container, it is possible to prevent bacteria and the like in the storage tank 15 from leaking to the outside through the vent hole 24.

Furthermore, since the electrode rod 26 detects full water in the storage tank 15 and the buzzer 28 is sounded and the lamp 29 blinks at the same time, the unsterilized wash water in the storage tank 15 is discharged or overflows. It is possible to prevent it from coming out.

Furthermore, since the handwash drainage sterilization system 1 does not need to be sterilized by high pressure steam as in the conventional case, the storage tank 15 can simply use a lightweight member such as a resin having chemical resistance, and the entire apparatus can be used. It is possible to reduce the size and weight, and since it is not necessary to obtain a manufacturing permit such as for a high-pressure container, handling is easy and cost can be reduced.

[0031]

As described above, according to the sterilization system for hand-washing drainage of the present invention, the drainage port of the washbasin is provided only when water is supplied to the washbasin or when the open / close switch is pressed. The drain plug moved, the drain outlet was opened,
At other times, the drain port is closed with a drain plug, so the water in the storage tank is sterilized for a sufficient time,
It is possible to prevent the non-sterilized water from being discharged to the outside and also to prevent the bacteria in the storage tank from leaking from the drain of the washbasin. Further, since the high-pressure steam sterilization treatment facility is not used, it is not necessary to obtain a license for manufacturing the storage tank, the structure of the storage tank can be simplified, the handling can be facilitated, and the cost can be reduced. ).

When the drain cock is opened, the water supply means is prevented from operating so that water that has just been supplied from the water supply means but has not been sufficiently sterilized.
It can be prevented from being discharged as it is (claim 2).

Since the water level detecting means for detecting the water level in the storage tank and the alarm means for operating when the water level detecting means detects a predetermined water level are provided, when the water in the storage tank approaches full water. Further, by issuing an alarm, it is possible to prevent the water in the storage tank from overflowing (claim 3).

When the storage tank is provided with a vent having a sterilizing filter, it is possible to prevent bacteria in the storage tank from being discharged to the outside through the vent (claim 4).

[Brief description of drawings]

FIG. 1 is a diagram showing a sterilization treatment system for hand-washing wastewater according to the present invention.

[Explanation of symbols]

1 Hand wash drainage sterilization system 11 hand wash 12 Drainage port 13 drain plug 14 Drain plug moving means 15 Storage tank 16 drain cock 17 Water supply means 18 Open / close switch 26 electrode rod (water level detection means) 28 Buzzer (alarm means) 29 lamps (alarm means) 24 vents 25 Sterilization filter

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) E03C 1/23 E03C 1/23 Z E03D 9/00 E03D 9/00 D

Claims (4)

[Claims] 1. A hand washing device, a drain plug provided at a drain port of the hand washing device and normally closing the drain port, and drain plug moving means for moving the drain plug to open and close the drain port. A storage tank connected to the drain port, a drain cock for discharging the water in the storage tank, and handwashing water in the handwasher, and interlocking with the drain plug moving means and the drain cock Water supply means and an opening / closing switch for opening / closing the drain plug moving means, and normally, the drain outlet and the drain cock are closed and the storage tank is kept sealed, Only when the water for hand washing is supplied to, or only when the open / close switch is pressed, the drain port is opened, and the water in the hand wash is discharged from the drain port into the storage tank. Characteristic hand wash Sterilization system of drainage. 2. When the drain cock is opened,
The sterilization system for hand-washing wastewater according to claim 1, wherein the water supply means does not operate. 3. The sterilization of hand-washing drainage according to claim 1, further comprising: a water level detecting means for detecting a water level in the storage tank; and an alarm means operated by a signal from the water level detecting means. Processing system. 4. The storage tank is provided with a vent having a sterilizing filter.
Sterilization system for hand-washing wastewater described in.