JPH09122654A - Drinking water production apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To rapidly feed drinking water in case of emergency, etc., by providing a truck with a pump or pumping up a raw water, a device for adding chlorine for disinfection of the raw water, a cleaning device and an ultraviolet rays irradiating device for sterilization of clean water. SOLUTION: On a movable truck, a pump 1 for pumping up a raw water such as water for fire fighting and water in a pool and a cleaning device 3 are arranged and a chlorine adding device 2 is disposed on the midway of a pipeline between the pump 1 for pumping up and the cleaning device 3. The cleaning device 3 is a cleaner consisting of three kinds of filter media and as the first layer, the second layer and the third layer, an ion exchanging body 6, an active carbon 7 and a hollow fiber membrane module 8 are respectively used. A low pressure mercury lamp is inserted into an outlet 9 of the treated water of the cleaning device 3 as an ultraviolet rays irradiating device 4 and the treated water discharged from this ultraviolet rays irradiating device 4 is used as a drinking water from a water supply tap. In addition, in this case, under a condition where a clean water tap is closed, a safety valve 5 is worked and the pumped-up raw water is returned to a raw water tank.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for producing drinking water such as fire-prevention water and pool water, which uses tap water as a water source and is suitable for dealing with a situation of drinking water shortage in the event of a disaster.

[0002]

2. Description of the Related Art As a fireproof water and drinking water,
In some cases, a water storage section is provided in the middle of the water distribution pipe so that the water in the water storage section can be used as fire protection water in the event of a fire. In addition, even if there is an idea to temporarily use the existing water treatment equipment to use fire-prevention water or pool water as drinking water in the event of a disaster, no one can handle it, or if it is confused, carry it from others. There were few cases where it was actually useful because of problems such as having to do so.

[0003]

SUMMARY OF THE INVENTION The present invention has been made for the purpose of solving such a situation, and it is convenient to keep it in a fire prevention water tank or a pool in case of a disaster. It is an object to provide a compact and easy-to-operate drinking water production apparatus.

[0004]

In order to achieve the above object, the drinking water producing apparatus of the present invention has the following constitution. That is, a pump for pumping raw water from a water tank, a chlorine addition device for disinfecting the pumped raw water, a purifying device for purifying the disinfected raw water, and a purified water A drinking water production apparatus provided with an ultraviolet irradiation device for sterilizing various bacteria, or a drinking water production apparatus of this configuration, characterized in that a chlorine addition device for disinfection is provided after the purification device. is there.

The above raw water is preferably water for fire prevention, pool water and the like. Further, as the rough filtration means, a thread winding filter in which a thread is regularly wound around the outer periphery of a perforated core made of plastic or the like,
A rotary drum type solid-liquid separator using cloth as a filter medium is preferable, and the purification device is a filter comprising an ion exchanger, a hollow fiber membrane and activated carbon, or the rough filtration means, activated carbon and a hollow fiber membrane. It is preferable that it is a filter made of or a filter made of activated carbon and a hollow fiber membrane. Further, it is more preferable that the pump is a human-powered pump or one provided with an engine or a generator in consideration of a power failure at the time of disaster.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to the drawings.

FIG. 1 is a schematic flow chart showing an embodiment of the invention device, and FIGS. 2 and 3 are schematic flow diagrams showing another embodiment of the invention device, FIGS. 4 and 5.
FIG. 2 is a schematic view showing an embodiment of a chlorine addition device.

As shown in FIG. 1, 1 is a pump for pumping raw water, and 3 is a purification device. Further, a chlorine addition device 2 is provided in the middle of the piping between the pumping pump 1 and the purification device 3 connected thereto. For example, as shown in FIG. 4, the chlorine adding device 2 is filled with tablets 14 of calcium hypochlorite filled in a cylinder of a perforated plate, and when the tablets 14 come into contact with raw water in a pipe, Calcium hypochlorite is dissolved and chlorine is added to raw water. This chlorine has a function of disinfecting and sterilizing raw water.

The water that has passed through the chlorine addition device 2 is sent to the purification device 3. In FIG. 1, the purification device 3 is a water purifier composed of three types of filter media, and the first layer is an ion exchanger 6,
Activated carbon 7 is used for the second layer, and hollow fiber membrane module 8 is used for the third layer. The ion exchanger acts to remove heavy metals, musty odor, nitrate nitrogen, etc. and adjust pH. It is possible to select an ion exchanger suitable for the water quality by conducting a water quality analysis in advance. As the ion exchanger, an ion exchange resin or an ion exchange fiber can be applied. Activated carbon acts to remove chlorine, musty odor, and nonionic impurities,
Further, the hollow fiber membrane module has a function of removing fine particle components in water such as dust, iron rust and bacteria.

A low-pressure mercury lamp that emits a large amount of ultraviolet rays having wavelengths of 184.9 nm and 253.7 nm is inserted as an ultraviolet irradiation device 4 into the treated water outlet 9 of the purifying device 3, and is used for household power sources and rechargeable power sources. Common use is possible. Although not shown in the figure, the treated water discharged from the ultraviolet irradiation device 4 is used by a water tap. The ultraviolet irradiation device 4 is provided to further enhance safety as drinking water, and has a bactericidal action against bacteria, viruses and the like. Therefore, it can be omitted when it is used as domestic miscellaneous water.

In the figure, reference numeral 5 is a safety valve, and when the purified water supply tap is closed, the safety valve 5 operates so that the pumped raw water is returned to the raw water tank.

Although not shown, the drinking water producing apparatus of the present invention is mounted on a movable carriage.

In FIG. 2, an ultraviolet irradiation device 4 is provided after the pumping pump 1 and a purifying device 3 connected to the pumping pump 1, and chlorine is added to the treated water discharged from the ultraviolet irradiation device 4 by the chlorine addition device 2 to obtain drinking water. It is intended for use as.

The purifying device 3 is composed of activated carbon 7 and a hollow fiber membrane module 8. The chlorine addition device 2 adds a solution 15 of sodium hypozincate as shown in FIG. 5 to drinking water by a drip method utilizing the suction force of a water flow through an injection needle 16 installed in a pipe. Is.
The chlorine addition device 2 may be provided between the activated carbon 7 of the purification device 3 and the hollow fiber membrane module 8.

FIG. 3 shows the structure of the purifying device 3 in FIG.
It comprises a rotating drum type solid-liquid separator 10, activated carbon 7, and a hollow fiber membrane module 8. The filtered water of the rotary drum type solid-liquid separator 10 flows into the storage tank 11 and is sent to the activated carbon 7 by the supply pump 12. The filter material of the rotary drum type solid-liquid separator 10 is backwashed by a backwash device 17, and the backwash water is discharged to the outside of the system through a concentrated water discharge pipe 13. .

According to the present invention, these devices are mounted on a carriage so that they can be moved to a required place at any time.

In the embodiment, the pumping pump 1 has a capacity of 10 l / min × 10 m, and the safety valve 5 operates when the purified water faucet is closed so that the pumped raw water is returned to the raw water tank. There is.

In the present embodiment, the drinking water producing apparatus is 10 minutes per minute.
It is designed to be able to process 100 m ³ at a flow rate of 1, but the capacity can be increased by changing the capacity of each device. Table 1 shows the results of water quality analysis of raw water and treated water which were tested in the underground underground RC fire protection water tank installed 12 years ago using the above drinking water production apparatus.

[0019]

[Table 1]

[0020]

As described above, the drinking water producing apparatus of the present invention is a compact unit device in which all the functions required for one cart are mounted, and the method of use is simple and can be used by anyone. Moreover, it is inexpensive and can be provided as a suitable means for securing drinking water in the event of a disaster.

[Brief description of the drawings]

FIG. 1 is a schematic flow chart showing an embodiment of the device of the present invention.

FIG. 2 is a schematic flow chart showing another embodiment of the device of the present invention.

FIG. 3 is a schematic flow chart showing still another embodiment of the device of the present invention.

FIG. 4 is a schematic view showing an embodiment of a chlorine addition device.

FIG. 5 is a schematic view showing another embodiment of the chlorine addition device.

[Explanation of Codes] 1: Pumping pump 2: Chlorine addition device 3: Purification device 4: Ultraviolet irradiation device 5: Safety valve (negative valve) 6: Ion exchanger 7: Activated carbon 8: Hollow fiber membrane module 9: Purification device treated water Outlet 10: Rotating drum type solid-liquid separator 11: Storage tank 12: Feed water pump 13: Concentrated water discharge pipe 14: Calcium hypochlorite tablet 15: Sodium hypochlorite solution 16: Injection needle 17: Backwash apparatus

Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI Technical display location C02F 1/50 540 C02F 1/50 540E 550 550C 560 560B 560C 560D 560E 560Z B01D 33/06 B01D 33/06 Z 39 / 14 39/14 D 63/02 63/02 C02F 1/00 C02F 1/00 B 1/28 1/28 G 1/32 1/32 1/42 1/42 A 1/44 1/44 H 1 / 76 1/76 A 9/00 502 9/00 502D 502E 502H 502J 502N 503 503A 504 504B

Claims (7)

[Claims] 1. A pump for pumping raw water, a chlorine adding device for disinfecting the pumped raw water, a purifying device for purifying the disinfected raw water, and purified purified water on a trolley. An apparatus for producing drinking water, which is provided with an ultraviolet irradiation device for sterilizing the various bacteria. 2. The drinking water production apparatus according to claim 1, wherein the chlorine addition device is arranged before or after the ultraviolet irradiation device instead of the chlorine addition device arranged after the pump. 3. The drinking water production apparatus according to claim 1, wherein the raw water is fire prevention water or pool water. 4. The drinking water production device according to claim 1, wherein the purification device is provided with a rough filtration means. 5. The drinking water production apparatus according to claim 4, wherein the rough filtration means is a wound filter or a rotating drum type solid-liquid separator. 6. The purifying device is a filter comprising an ion exchanger, activated carbon and a hollow fiber membrane, a coarse filtration means and activated carbon and a hollow fiber membrane, or an activated carbon and a hollow fiber membrane. The drinking water production apparatus according to any one of to 3, 5. 7. The drinking water production apparatus according to claim 1, wherein the pump for pumping up the raw water is equipped with a manual pump, an engine or a generator.