JP2005068831A - Purified-water storage device for earthquake-disaster countermeasure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a purified-water storage device for an earthquake-disaster countermeasure being capable of storing purified water such as potable water in a dwelling house consciously or unconsciously at all times, exchanging stored purified water at an approximately specified period and generating no bacteria, algae or the like. <P>SOLUTION: The purified-water storage device is constituted so that a sealed type water storage tank 10 having a specified capacity and having an inlet 11 and an outlet 12 in upper sections and an intake 13 in a lower section is installed. The storage device is further constituted so that the inside of the storage tank 10 is supplied with purified water from a water service installation through a water introducing pipe 14 and a water suppply pipe 16 connected to the inlet 11 through a check valve 17 while a water using device (a washing machine 30) usually using purified water through the water introducing pipe 18 connected to the outlet 12 is supplied with purified water at a water pressure from the water service installation through the water storage tank 10, and an intake pipe 20, to which an intake valve 19 is secured, is fitted to the intake 13. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an earthquake disaster-purified water storage device suitable for securing purified water, in particular, drinking water at the time of a disaster such as an earthquake disaster.

The emergency disaster countermeasure storage water is handled by using facilities of a water utility (reservoir, distribution tower, storage facility in a distribution pipe) and the like. Generally established a circulation tank approximately capacity 100 m ³ to take into account the water distribution pipeline in the convenience of citizens corresponding, for thereby achieving a civil response disaster as water supply point is customary. Water supply work at the emergency water supply point will be handled by the Waterworks Bureau, but the citizen will be responsible for transporting the drinking water received.

  The water supply bases are distributed in one circle of the water supply area, and citizens bring water receiving containers etc., receive water supply, and then carry a distance of about 20 to 500 m to their home. This situation is hard work for children, elderly households and high-rise condominium residents, and it is almost impossible. Furthermore, asking for water supply support for transportation is difficult when an emergency situation is assumed.

As a solution to this, if there is a water storage device that can be stored regardless of whether or not it is always conscious of drinking water in the house, water can be used not only in the event of a disaster but also in an emergency. Convenience is ensured. For water utilities, the installation cost of the water storage device is borne by the water receiving side, so the burden on emergency water supply will be reduced.
Japanese Patent Laid-Open No. 9-25653

  However, when a conventional water storage device for storing drinking water is provided, there is a problem that the stored water cannot be used in an emergency such as an earthquake disaster, forgetting to replace the stored water for a long time and leaving it alone. It was. The present invention can be stored in a house regardless of whether or not it is always conscious of purified water such as drinking water, and the stored purified water is exchanged at a substantially predetermined cycle to generate bacteria, algae, etc. The purpose is to provide a clean water storage system for earthquake disaster countermeasures.

  In order to solve the above-mentioned problem, the invention according to claim 1 is provided with a sealed water storage tank having a predetermined capacity having an inlet and an outlet at the upper part and a water intake at the lower part, and through a water conduit connected to the inlet. Purified water is supplied from the water supply device into the sealed water storage tank, and the purified water is used on a daily basis through the water conduit connected to the outlet through the sealed water storage tank by water pressure from the water supply device. A water purifying water storage device for earthquake disaster countermeasures, characterized in that it is configured to be supplied to a water using device and is provided with a water intake pipe having a water intake valve attached to the water intake port.

  According to a second aspect of the present invention, there is provided a water purifying water storage device for earthquake disaster countermeasures according to the first aspect, wherein at least air is connected to a water conduit connected to the outlet so that the air stored in the sealed water storage tank does not touch the air. An intrusion prevention means is provided. In addition, a check valve is provided at least at the outlet in order to prevent the backflow of water during unexpected pressure reduction.

  The invention described in claim 3 is the water purifying water storage device for earthquake disaster according to claim 1 or 2, wherein dew condensation preventing means (for example, a sealed water storage tank) is provided so that the atmosphere does not come into contact with the sealed water storage tank. Is covered with a heat insulating material, etc., and a closed water storage tank is provided with a double wall structure).

  The invention according to claim 4 is characterized in that, in the water purifying water storage device for earthquake disaster measures according to claim 1, 2 or 3, the heat storage of the sealed water storage tank is used as a heat source via a heat exchanger. .

  The invention according to claim 5 is the water purifying water storage device for earthquake disaster measures according to any one of claims 1 to 4, wherein the sealed water storage tank has a pressure resistant structure capable of withstanding the water pressure from the water supply device. Features.

  The invention according to claim 6 is the water storage device for earthquake disaster countermeasures according to any one of claims 1 to 5, wherein the sealed water storage tank is adjacent to the water use device for daily use of purified water or the water storage device. It is provided integrally with the water use device.

  The earthquake water purifying water storage device of the present invention is provided with a sealed water storage tank of a predetermined capacity, and is supplied from the water supply device to the water using device that uses purified water on a daily basis through the sealed water storage tank by the water pressure. Because every time you use a water-use device, it is always stored in a sealed water storage tank without being aware of it. In the event of an emergency when the supply of clean water is stopped, the intake valve is opened, the water in the sealed water storage tank is taken, and an excellent effect can be obtained that can be used for drinking water or the like.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a system configuration of a water storage device for earthquake disaster countermeasures according to the present invention. In addition, although tap water is demonstrated to an example as purified water here, purified water is not limited to tap water, For example, ground water for private use can also be utilized.

  In FIG. 1, reference numeral 10 denotes a closed water storage tank. The closed water storage tank 10 is provided with an inlet port 11 and an outlet port 12 at an upper portion thereof and a water intake port 13 at a lower portion thereof. The capacity of the sealed water storage tank 10 is the capacity that can secure drinking water in the home and the minimum water for cooking, for example, in a general household, when the water supply is stopped in the event of an earthquake, etc. If there is 10-30 liters. A water conduit 14 is connected to the inlet 11 via a check valve 17, and a tip 14 a of the water conduit 14 extends downward in the sealed water storage tank 10. The rear portion 14b of the water conduit 14 has flexibility, and the end thereof is connected to the indoor water supply pipe 16 via a water tap 15 which is the end of the water supply device. A water intake pipe 20 having a water intake valve 19 is connected to the water intake 13.

  Reference numeral 30 denotes a washing machine (for example, a fully automatic or two-tank washing machine). The washing machine 30 is connected to a water conduit 18 connected to the outlet 12 of the sealed water storage tank 10, and the water conduit The intermediate part 18a of 18 has flexibility. The washing machine 30 is provided with a drain valve 31 for draining the washing water.

  When the washing machine 30 is used (operated) in the earthquake water purifying water storage device having the above configuration, tap water of a predetermined pressure is sealed through the water supply pipe 16, the water conduit 14 and the check valve 17 when the water tap 15 is opened. It is supplied to the mold water storage tank 10. Since the sealed water storage tank 10 is normally filled with water, when tap water is supplied to the sealed water storage tank 10 through the water conduit 14, the water that has filled the sealed water storage tank 10 passes through the water conduit 18. It passes through and is supplied into the water tank of the washing machine 30.

  If the amount of water used for washing in the washing machine 30 is larger than the capacity of the sealed water storage tank 10, most of the water in the sealed water storage tank 10 is replaced with new tap water. Further, even if the capacity of the water tank of the washing machine 30 is smaller than the capacity of the sealed water storage tank 10, the amount of water used in the washing machine 30 is changed. Therefore, it is possible to replace and store the same amount of fresh tap water as that supplied to the washing machine 30 used on a daily basis. If the intake valve 19 is opened during a disaster such as an earthquake disaster that stops water supply, fresh purified water can be obtained through the water pipe 20 at any time.

  The sealed water storage tank (including the intake valve 19 and the like) 10 is made of SUS304, a material corresponding thereto, or a reinforced plastic in order to prevent water quality deterioration of stored water. The structure of the tank is hermetically sealed and has a pressure resistant structure having a pressure resistant performance of up to 0.1 MPa. Further, a trap for preventing the atmosphere from coming into contact with water stored in the sealed water storage tank 10 is provided in the water conduit 18 connected to the outlet 12 of the sealed water storage tank 10 from a hygienic viewpoint. Provide a means to prevent atmospheric entry. As this trap, for example, a trap can be easily formed by forming the flexible intermediate portion 18a of the water conduit 18 in the U-shaped portion. It is also possible to use a shutoff valve 22). Further, the leading end 14a of the water conduit 14 extends downward in the sealed water storage tank 10 so as to reach the bottom, and is protected by a steady rest or the like so as not to be damaged by vibration of the water flow. By providing the outlet 12 to which the water guide pipe 18 is connected at the top of the closed water storage tank 10, exhaust in the closed water storage tank 10 can be facilitated and water circulation can be ensured.

  The secondary side outflow portion of the closed water storage tank 10, that is, the outlet 12 and the overflow water level of the washing machine 30 that is a water using device is secured to prevent backflow from the water using device to the closed water storage tank 10. Structure. The capacity of the sealed water storage tank 10 is such that the water circulation rate in the tank does not fall below 1.0 at least one week in consideration of the amount of water used by the washing machine 30 that is a water use device (at least 1 per week). Set so that the water is replaced.

  The shape of the sealed water storage tank 10 is preferably a saddle shape that can use the hydrostatic head pressure of the stored water in consideration of the situation at the time of a disaster, but in this case, it is necessary to take measures to prevent overturning. Further, it is necessary to take measures against condensation on the outer surface of the sealed water storage tank 10. As measures against this dew condensation, for example, the sealed water storage tank 10 is covered with a heat insulating material, the sealed water storage tank 10 has a double wall structure, or the sealed water storage tank 10 itself is made of a heat insulating material. There is. In addition, the capacity of the sealed water storage tank 10 is assumed to be 3 liters per day per person in the case of emergency water use. Take into account variations of 10 to 30 liters. In addition, when the sealed water storage tank 10 is not used for a long period (seven days or more), the stored water stored in the sealed water storage tank 10 is instructed not to be used for drinking.

  In the water purifying water storage device for earthquake disaster countermeasures shown in FIG. 1, the sealed type water tank 10 and the washing machine 30 are separated from each other. However, as shown in FIG. 2, the washing machine 30 and the sealed type water storage tank 10 are integrated. It is good also as an integrated type structure. In this case, the outlet 12 of the sealed water storage tank 10 and the washing machine 30 are connected by a rigid water conduit 21, and an air shut-off valve 22 is provided at the outlet 12. Moreover, when setting it as an integrated structure in this way, the sealed water storage tank 10 is installed with the form which contact | connected the upper part and lower part or side surface of the washing machine 30. FIG.

  As described above, in the water purifying water storage device for earthquake countermeasures according to the present invention, the sealed water tank 10 is provided, and the purified water is routinely used via the sealed water tank 10 by the water pressure from the water supply pipe 16. Since water is supplied to water-using devices such as the washing machine 30 and the like, fresh water is always stored in the sealed water storage tank 10 regardless of whether it is conscious or not. When the water supply from 16 stops, the water intake valve 19 is opened, the water in the sealed water storage tank 10 is taken, and can be used as drinking water. Therefore, the following convenience can be obtained among the citizens, the water utility, and each other.

[Convenience for citizens]
(1) When water supply stops due to a disaster such as an earthquake disaster, it is possible to eliminate the work of transporting clean water such as drinking water from emergency water supply bases (especially effective for elderly households and high-rise condominium residents).
(2) Maintenance and management of the water tank is easy and independent management is possible.
(3) Since drinking water is always kept nearby, it becomes a safe, secure and stable living base.
(4) The cost of installing a water storage system for earthquake disaster countermeasures is a low price available to the general public.
(5) There is almost no maintenance cost for the water storage system for earthquake countermeasures, and it can be used semi-permanently.

[Convenience for water utilities]
(1) The emergency water supply work load in the event of a disaster such as an earthquake can be reduced.
(2) The installation cost burden of the storage tank becomes unnecessary.
(3) As a water supply policy in the event of a disaster, the attitude of the water utility will be clarified and information disclosure will be promoted.

[Convenience for citizens and water companies]
(1) Timely emergency response to unexpected situations such as severely turbid water is possible.
(2) To foster joint recognition of earthquake disaster countermeasures.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Is possible. For example, the water use device is not limited to a washing machine, and may be any device device that uses a predetermined amount of water on a daily basis, such as a bath, at least two to three times a week. In short, any device that can use an amount of water that can be exchanged before the quality of the water stored in the sealed water storage tank deteriorates may be used.

  Further, from the viewpoint of energy saving and effective use of water, as shown in FIG. 3, the heat storage of the water in the sealed water storage tank 10 is taken out from the inside or the outer wall of the sealed water storage tank 10 via the heat pump 41, and is used as a heat source. It is also possible to configure an indoor air conditioning system by the heat exchanger 42.

It is a figure which shows the system structural example of the purified water storage apparatus for earthquake disaster countermeasures concerning this invention. It is a figure which shows the system structural example of the purified water storage apparatus for earthquake disaster countermeasures concerning this invention. It is a figure which shows the structural example of the system which utilizes the purified water storage apparatus for earthquake disaster measures which concerns on this invention as a heat source.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Sealed water storage tank 11 Inlet port 12 Outlet port 13 Inlet port 14 Inlet tube 15 Inlet valve 16 Inlet port 17 Inverter valve 18 Inlet tube 19 Intake valve 20 Intake tube 21 Inlet tube 22 Air shut-off valve 30 Washing machine 31 Drain valve 41 Heat pump 42 heat exchanger

Claims (6)

  A sealed water storage tank having a predetermined capacity with an inlet and outlet at the top and a water intake at the bottom is provided, and purified water is supplied into the sealed water tank from the water supply device through a water conduit connected to the inlet. The purified water is supplied to the water use device that uses the purified water on a daily basis through the water conduit connected to the outlet through the sealed water storage tank by the water pressure from the water supply device. A clean water storage system for earthquake countermeasures, characterized by providing a water intake pipe with a water intake valve. In the purified water storage device for earthquake disaster countermeasures according to claim 1,
A water purifying water storage device for earthquake disaster countermeasures, characterized in that air intrusion prevention means is provided at least in a water conduit connected to the outlet so that the air stored in the sealed water storage tank does not come into contact with air. In the water purifier for earthquake disaster countermeasures according to claim 1 or 2,
A water purifying water storage device for earthquake disaster countermeasures, characterized in that condensation preventing means is provided so that the sealed water storage tank does not come into contact with the atmosphere to cause condensation. In the purified water storage device for earthquake disaster countermeasures according to claim 1, 2 or 3,
A water purifying water storage device for earthquake disaster countermeasures, wherein the heat storage in the sealed water storage tank is used as a heat source through a heat exchanger. In the purified water storage apparatus for earthquake disaster measures of any one of Claims 1 thru | or 4,
A water purifying water storage device for earthquake disaster countermeasures, characterized in that the sealed water storage tank has a pressure resistant structure capable of withstanding the water pressure from the water supply device. In the purified water storage apparatus for earthquake disaster measures of any one of Claims 1 thru | or 5,
A water purification apparatus for earthquake disaster countermeasures, characterized in that the sealed water storage tank is provided adjacent to or integrally with a water use apparatus that uses purified water on a daily basis.

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