WO2016013109A1 - Reservoir apparatus using "enclosed water area (utsuro)" - Google Patents

Abstract

When river water flows out to the sea, the water becomes sea water. Moreover, contaminated water from land flowing into a marine area has a major impact on fishery environments and leisure environments, and above all, water contaminated with radiation is a major problem. For this reason, the purpose of the present invention is to store water without leaking a single drop and to purify the stored contaminated water with the purifying power of nature to remove pollutants. Constructed is an "enclosed water area (UTSURO)" in which the water area in which water is to be stored is completely enclosed by a double embankment that retains a waterway, wherein an enormous water vessel is constructed by having the clean water in the waterway always be greater than or equal to the water level (pressure) of the reservoir water or always be maintained at less than or equal to the water level of external water. The apparatuses that each comprise purifying embankments installed in a linked state in the reservoir pond are called "multi-layer purifying apparatuses" with the purifying apparatus that pumps from the central water area of the "multi-layer purifying apparatus" being called a "multi-layer pump purifying apparatus" and the apparatus that is fed contaminated water in the central water area thereof so as to purify the contaminated water being called a "multi-layer feed purifying apparatus", and these apparatuses purify contaminated water each time water is fed to or discharged from the reservoir pond. The water vessel is constructed so that not one drop of reservoir water will flow out to the exterior water area by stopping water with the power of water and contaminated water with clean water. The "multi-layer pump purifying apparatus" is used as a facility to discharge water to the reservoir pond, and the "multi-layer feed purifying apparatus" is used as an inlet facility to store water in the reservoir pond.

Description

Water storage device using “UTSURO”

発 明 The present invention relates to a water storage device installed in “UTSURO”.

The Go water area where the water area where the water level changes is enclosed by the bank structure is called “UTSURO”. Invented waste bottom mud deep layer replacement method (PCT / JP2011 / 075254) on November 2, 2011 in the “Urban Sky (UTSURO)” and proposed protection of contaminated water from marine pollution did.
PCT / JP2011 / 075254

If terrestrial water flows into the sea, all the water becomes sea water. In addition, contaminated water flows into the sea area and has a great impact on the sea environment.
We propose a water storage device that uses a natural force to store these enormous land water and contaminated water with a simple structure without leaking a drop of water.
Nature is a huge removal device. A storage device that uses the “UTSURO” to store incoming polluted water, purify it using natural purification power, and remove contaminants.
In particular, radioactively contaminated water has become a major problem for the whole country, and this huge amount of contaminated water is stored without leaking, and this contaminated water is purified using natural purification power to remove contaminated water. What is going to be removed is a “water storage device that uses“ UTSURO ””.

(Reservation of water) Water is the power of water, and contaminated water is clean water. The “water storage device using the UTSURO” is the “water storage device”.
Water flows from high to low. (That is, water flows from higher pressure to lower pressure.)
If a wall is installed between a high-pressure water area and a low-pressure water area, the water in the high-pressure water area will flow into the low-pressure water area.
On the other hand, water in a low-pressure water area never flows into a high-pressure water area.
If the water tightness of the wall between the high-pressure water area and the low-pressure water area is improved, the water in the high-pressure water area becomes clean water, and the water in the low-pressure water area becomes contaminated water, the contaminated water in the low-pressure water area Does not flow into clean water areas with high pressure.
For this reason, in order to improve the water tightness of each levee body of the double levee body, the water area where the contaminated water is to be stored is enclosed by a double levee that holds the waterway, and the “water area sky (UTSURO)” is constructed. A continuous impermeable wall is installed in each levee, and a known sheet pile or concrete continuous impermeable wall that reaches deep in the seabed is sometimes installed, and a water leakage prevention work for each levee is installed.
In order to allow the water pressure of the water channel 2 in the double levee body to be deeply transmitted to the ground, a water channel without a bottom plate is used, and the water level of the water channel 2 is always equal to or higher than the level of the stored water (contamination). A method of keeping the water level equal to or lower than the outside water level is conceivable.
(How to fill the waterway with clean water)

Enclose with a double dike holding a waterway in the water area to be stored. By filling this double dike body with clean water equal to or higher than the reservoir water level (pressure) of the reservoir, the enclosed reservoir water passes through the clean water in the channel 2 and a drop of reservoir water (contamination) is also generated. , It never flows out to the outside waters.
Furthermore, as a method for filling the double levee with clean water, purified water purified by a known purification device is introduced into the double levee. Intake clean water from land water (clean rivers and ponds) (consider the specific gravity of fresh water and seawater). Stores seawater at high tide. (In this case, only when seawater is allowed to penetrate into the stored water) Consider the nature of the stored water and the purpose of storage.
(How to lower the water level in a waterway)

About the method of always keeping the water level of the water channel 2 in the double levee body below the water level of the external water 5, the water level of the water channel 2 is detected using a known sensor that senses the water level of the external water level 5 and the water channel 2 in the double dam body. The pump 14 discharges the water to the reservoir 4 so that the water level is always kept below the outside water level, and the water level of the water channel 2 in the double levee body is always kept below the outside water level, thereby closing the enclosed water area (UTSURO). No single drop of water from the used reservoir will flow into the outer water area 5.
In order to reduce the drainage amount of the pumping pump 14, the amount of pumping water is reduced by increasing the water tightness of the double levee and reducing the water level difference between the outer water area 5 and the water channel 2.
The stored contaminated water overuses the natural purification function, purifies the contaminated water, and discharges it to the outer water area 5.

(Purification of contaminated water in the reservoir)

When contaminated water is stored in the reservoir 4 using “UTSURO”, the natural purification function is abused to purify the stored contaminated water and remove the contaminants.
The purification device pumping up from the center of the multiple purification device installed in the reservoir 4 with the purification dams piled up in a link form is called “multiple pumping purification device” 6 and is a purification device that puts sewage into the center of the multiple purification device. Is referred to as a “multiple input purification device” 7.
“Multiple pumping purification device” 6 is used as a drainage device for the reservoir using “Urban water (UTSURO)”, and “Multiple input purification device” 7 is used for the reservoir using “Urban water (UTSURO)”. Used as an inflow device.
If the water quality test result of the stored water pumped up from the "Multiple pumping and purifying device" satisfies the known discharge standard value, it will be discharged to the outside area, but if the test water quality does not meet the known discharge standard value, again, The “purification device” is repeatedly charged, and after waiting for the pumping water discharge reference value to be satisfied by the “multiple pumping purification device” 6, it is discharged to the outside water area.
The purified water can be used as clean water in the water channel 2.
If the contaminated water is purified by the “Multiple Input Purifier” 7 and the quality of the water flowing into the reservoir using “UTSURO” meets the discharge standard value, the water in the reservoir is It is also possible to release directly to the sea.
Originally, the purification bank is a known contact oxidation bank having a multi-cavity shown in FIG. 13, and sometimes a purification bank in which a special filter medium is assembled in accordance with the contaminated water is used.
Fig. 14 shows a dam with special filter media.
In addition, the water area in the reservoir and the pore water area surrounded by the purification levee can be used as a sedimentation place in the calm water area, and also used as a culture pond for various adsorbed algae in the contaminated water and cultured together with these predators. It is a water storage device using “UTSURO” characterized by collecting pollutants by collecting predators.

Water can flow from higher pressure to lower pressure.
As shown in Fig. 1 to Fig. 2, the water area 4 where water is to be stored is enclosed by a double levee, forming a "water area sky (UTSURO)". As shown in Fig. 2, clean water with a water level in the water channel 2 equal to or higher than the water level in the reservoir (+ △ H water level difference) by making the structure without the bottom plate that can transmit the water pressure in the water channel 2 in the double dike deeply in the water bottom ground. By always satisfying the above, there is an effect as a huge container of clean water, and the stored water (contaminated water) passes through the clean water and does not flow out to the outside sea area 5 without a drop of water. Has the effect of

Moreover, as shown in FIGS. 4 to 5, the “water area sky (UTSURO)” is formed by surrounding the water area 4 where water is to be stored with a double bank as shown in the detailed view of FIG. , The watertight effect of the outer levee 1 and the inner dam 3 of the double levee is enhanced, the water level of the water channel 2 in the double levee body is always pumped by the pump 14, and is equal to or less than the water level of the outer water area 5 (-△ H By maintaining the water level (pressure difference) of the water level in the double dike, one drop of water in the double dike can be obtained regardless of the water level in the reservoir. Water does not flow out to the outer water area 5 and has a water storage effect.
In this way, water has the effect of using a force of water to store a large amount of water without leaking a single drop of water with a simple device.

In addition, when storing contaminated water in the reservoir 4 using “UTSURO”, the sedimentation effect due to the calm effect of the reservoir, the decomposition and synthesis effect of the pollutant due to the optical science effect in the reservoir, Furthermore, it is possible to bring out a natural purification effect such as adsorptive decomposition of contaminants by culturing known useful algae and a contaminant removal effect, and to remove contaminants of contaminated water.

Furthermore, in order to bring out these effects, a purification device that draws up a well-known purification embankment in the shape of a link in the water storage area 4 that uses “UTSURO” and draws it from the central water area, The purification device that purifies the incoming polluted water while introducing the sewage into the central water area of the “multiple purification device” is called “multiple input purification device” 7.
Such a multiplex purification apparatus has the effect of purifying the contaminated water by separating the water and the contaminants, repeating the contact oxidation effect, the filter material adsorption effect, the predation effect, the ion exchange effect, and the sedimentation effect.
Among them, the “multiple input purification device” is an inflow facility for storing in a reservoir using “UTSURO”, and intends to maintain the purification effect while inflowing contaminated water.
In addition, the “multiple pumping and purifying device” is intended to maintain the purification effect while discharging polluted water as a discharge facility stored in a reservoir using “UTSURO”.
Multiple purification systems are used for aquaculture of known adsorbed algae by sunlight, predation and sedimentation by organisms, and Ji1 to Jin in all water areas Ai1 to Ain and Ao1 to Aon, respectively.
And repeated adsorption and predation of Jo1-Jon filter media to remove contaminants and purify contaminated water.
If the inspection result of the pumped water pumped up from the "Multiple pumping and purifying device" meets the water discharge standard value, it will be discharged to the outside water area, but if the test water quality does not meet the water discharge standard value, The charging is repeated in the “multiple type input purification device”, and after waiting for the discharge standard value of the pumped water from the “multiple type pumping purification device” to be discharged into the outer water area.
As mentioned above, a large amount of water can be stored without leaking one drop of contaminated water, and the environmental conservation effect of the outside water area can be maintained using the natural purification effect. Reservoirs using the “UTSURO” are water areas that always have a verifiable effect and can be restored. It is a device having a high environmental conservation effect in the outer water area 5, that is, the ocean.
The water area of Reservoir 4 using the “UTSURO” surrounded by a double dyke has the effect of a huge water container that does not leak even a single drop, and the use effect of the waste bottom mud replacement process It is high and the radioactivity has the property of hardly permeating water, and has the effect of treating radioactive decontamination debris.
In addition, the water area of Reservoir 4 using the “UTSURO” surrounded by double dykes is a water area that has a calm effect without waves and currents, and is a water area that will be useful in the future together with the floating structure.

Figures 1 to 3 in the accompanying drawings show how water is stored by filling clean water in the double dike channel that makes up the water storage system using “UTSURO”. Fig. 6 shows how to store water by drying up the double dike channel that forms the water storage device using the “Utsuro” (UTSURO).
Figures 7 to 8 show the construction method of the double levee that constitutes the “Urban water (UTSURO)”, and FIGS. 9 to 14 show the “Urban sky (UTSURO)” reservoir. It displays about the purification accompanying the discharge and inflow of the stored water stored in
Fig. 1 is a plan view of a reservoir that uses “UTSURO”, which keeps clean water in the double dike channel 2 above the water level in the reservoir 4 and prevents the stored water 4 from flowing out. FIG. 6 is a plan view showing a state where the multiple pumping purification device 6 and the multiple inflow purification device 7 are installed.
FIG. 2 is a sectional view taken along the line cc of FIG.
Fig. 3 is a detailed cross-sectional view of an aa cross-sectional view of a water storage device using "UTSURO", which is designed to prevent outflow of stored water by filling the double dike channel with clean water. is there.
Fig. 4 is a plan view of a water storage device using the “UTSURO” where the water level of the canal 2 in the bull dike is always kept below the sea level. In the reservoir 4, the multiple pump purification device 6 and the multiple pump FIG. 5 is a plan view of a state where an input purification device 7 is installed.
FIG. 5 is a cross-sectional view taken along line c′-c ′ of FIG.
FIG. 6 is a detailed view of preventing the stored water from flowing out by keeping the water level of the double dike channel 2 below the water level of the outer water area 5.
Figure 7 shows the construction procedure for constructing a double dike that constitutes a reservoir using “UTSURO”, and constructing a landfill by installing rubble revetments on the front 15 and inner 16 of the outer wall of the double dike. Represents a cross section.
In Fig. 8, 12 and 13 water barriers and 2 water channels are dug in the site shown in Fig. 7, and a tsunami breakwater 1 is installed outside and a water break 2 is installed inside. It is construction cross-sectional view of a double bank.
9 and FIG. 10 show a multiplex pump cleaning device, FIG. 9 is a plan view, and FIG. 10 is a sectional view thereof.
FIGS. 11 and 12 show a multiple charging and purifying apparatus, FIG. 11 is a plan view, and FIG. 12 is a sectional view thereof.
FIG. 13 is a cross-sectional view of a purification bank shown in the multiple purification method shown in FIGS. 9 to 12, and is a cross-sectional view of a known purification bank.
FIG. 14 is a cross-sectional view of a purification bank assembled with a special filter medium.

In order to describe the present invention in more detail, this will be described with reference to the accompanying drawings.
The present invention is intended to store water without leaking a single drop using the power of water.
There are a method of filling the water channel 2 in the double bank with clean water and a method of preventing the outflow of water by lowering the water level of the water channel 2 in the double bank to the same level or less as the outer water area 5.
1 to 3 show a method of storing water by filling the water channel 2 in the double bank with clean water, and FIGS. 4 to 6 show the stored water by lowering the water level of the water channel 2 in the double bank. It is a method of trying to store without leaking one drop.
In addition, the water channel 2 in the double levee has a structure without a bottom plate that can transmit the water pressure of the water channel deeply in the bottom of the water, and in order to maintain the water tightness of each levee body of the double dam, Continuous impermeable walls 12 and 13 extending deep into the seabed ground of the levee 3 are installed.
In addition, when polluted water is stored in the reservoir 4, the water area of the reservoir area 4 is used to draw out a natural purification function, purify the polluted water, and remove contaminants to contribute to marine environmental conservation. (How to fill clean water in the channel 2 in the double dike)

As shown in Fig. 1 to Fig. 2, the water area 4 where water is to be stored is enclosed by a double dam that holds the water channel 2 to form a "water area sky (UTSURO)". As shown in Fig. 4, the water level in the water channel 2 is always equal to or higher than the water level in the reservoir (+ ΔH water level difference), so that the stored water 4 flows into the clean water in the double dike channel 2 and enters the outer water area 5 Will not leak.
As a method of filling the water channel 2 in the double bank with clean water, as shown in FIG. In addition, clean water such as land water (river water, dam water, well water) is used. Furthermore, the seawater at the time of high tide offshore that exists naturally inexhaustively is used. (However, pay attention to damage caused by infiltration of seawater into the stored water).
Therefore, a reservoir is constructed as a huge water vessel in which no drop of water flows into the outer sea area 5.
(Method to lower the water level of the canal 2 in the double dike below the equivalent level of the external water level)

Also, as shown in Fig. 4 to Fig. 6, the water area 4 where water is to be stored is enclosed by a double bank as shown in the detailed view of Fig. 6 to form a "water area sky (UTSURO)". Enhance the watertight effect of the outer levee 1 and inner dam 3 of the double levee, and the water level of the water channel 2 in the double levee is always equal to or lower than the water level of the outer water area 5 (-△ H water level difference) By maintaining the water level (pressure), water can be stored regardless of the water level of the reservoir 4.
Even if the water in the outer water area 5 permeates into the water channel 2, the water in the water channel 2 in the double bank can be stored without causing a drop of water to flow into the outer water area 5.

For a method of maintaining a water level (pressure) equal to or lower than the water level in the outer water area 5 (−ΔH water level difference), the water level is pumped up by the pump 14 and returned to the reservoir 4.
In addition, in order to reduce the amount of water pumped up by the pump 14, the watertight effect of each levee body of the double levee is enhanced, and the water level of the water channel 2 in the double levee body and the outer water area 5 are By always keeping the water level (pressure) difference equal to or lower than the water level (−ΔH water level difference) to be small, it is possible to reduce the amount of water pumped by the pump 14.
(Purification of stored contaminated water)

When contaminated water is stored, nature is a huge purification device. The reservoir water area 4 is used to make full use of a natural purification system to purify water and remove pollutants, thereby contributing to marine environment conservation.
Originally, the polluted water is purified and polluted by natural purification such as sedimentation by the calm effect of the reservoir, decomposition and synthesis of pollutants by optical science in the reservoir, and adsorption and decomposition of contaminants by cultivation of known useful algae. It is intended to remove water contaminants.
Therefore, a purification device that draws up a well-known purification bank in a link shape in the water storage area 4 using the “UTSURO” and draws it from the central water area is called a “multiple pump purification device” 6, A purification device that purifies the incoming contaminated water while introducing sewage into the central water area of the “purification device” is referred to as a “multiple-type input purification device” 7.
Such a multiplex purification apparatus purifies contaminated water by separating water and contaminants by repeating contact oxidation effect, filter medium adsorption effect, predation effect, ion exchange effect, and sedimentation effect.
Among them, the “multiple input purification device” 7 is intended to maintain the purification effect while storing polluted water as an inflow facility for storing in the reservoir using “UTSURO”.
Further, the “multiple pumping and purifying device” 6 is intended to purify the stored water while discharging polluted water as a discharge facility for storing in the reservoir using “UTSURO”.
Multiple purification systems are used to cultivate known adsorbed algae by sunlight, predation and sedimentation by living organisms in the purification water areas Ai1 to Ain of the input purification system and the purification water areas Ao1 to Aon of the pumping purification system, respectively. Repeated adsorption and predation of filter media on the purification rectifiers Ji1 to Jin of the input purification device and the purification rectifiers Jo1 to Jon of the pumping purification device to remove the contaminants and purify the contaminated water.
Occasionally, the algae is cut in the purified water area, the sludge pits in the settled water area, and the adsorption filter medium are replaced.
If the inspection result of the pumped water pumped from “Multiple pumping and purifying device” 6 satisfies the discharge standard value of the outer water area, it is discharged to the outer water area. If the test water quality does not meet the discharge standard value of the water area, Either put it in the “Multiple-type pumping purification device” again or return it to the outer water purification area Aon of the “Multiple-type pumping purification device” 6 and purify it repeatedly. Wait until the discharge standard value is satisfied and discharge to the outside water area.
(Construction of double dyke)

Regarding the construction of the double dike 2 that constitutes the reservoir using the “UTSURO”, an offshore debris 15 and an inner debris 16 are installed as shown in FIG. Then, constructing a belt-like landfill that shuts off the reservoir, excavating the waterway 2 in this, using this earth and sand, raising the embankment 1 on the outside, installing a tsunami breakwater, and inside the reservoir A double levee is constructed as the levee body 3 in this process, and in this process, a continuous impermeable wall 12 or 13 made of a well-known sheet pile or concrete or the like extending deep into the seabed is installed in accordance with the water storage height.
(Tsunami breakwater)
Originally, the tsunami has a long wavelength and holds a huge amount of energy. When breaking a wave, the tsunami energy is released and the wave height becomes high. On the other hand, a tsunami is a wave that is easily reflected. By deepening the water depth in front of the breakwater, it has the property of reflecting. By maintaining the water depth more than twice the wave height of the offshore wave, it tries to reduce the object damage by reflecting. However, the top height of the tsunami breakwater is kept higher than the estimated wave height.

Industrial applicability

By constructing the “UTSURO” that shuts off the water area 4 where water is to be stored with a double dike, the water channel 2 in the double dike is always filled with clean water or kept below the outer water area, It is possible to configure a huge water container that does not leak one drop of contaminated water to the outside water area.
A huge water container “UTSURO” that does not leak even one drop into the outside water area is safe for disaster prevention and can be verified and restored for environmental protection in the outside water area 5 or sea area. Has the possibility of use.

In the future, it is said that there will be insufficient drinking water to maintain human civilization.
If this precious river water flows into the sea, it becomes just seawater. It is possible to store a large amount of water by constructing a huge “water storage device using the“ UTSURO ”” 4 that is enclosed by a double bank.

In addition, in order to preserve the marine environment, a large amount of contaminated water (sewage, drainage, etc.) flowing into the marine area, especially the radioactive polluted water problem has become a major social problem, and even a drop of such contaminated water is leaked. “Reservoir using“ UTSURO ”” is stored in the reservoir 4 and purified by natural power to prevent reuse of polluted water and the preservation of marine areas without leaking a single drop of stored contaminated water In addition, it is possible to store in the “reservoir using the“ UTSURO ”” 4 and purify the water using the “multiple input purification method” 7 and the “multiple pumping purification method” 6 .

Reservoir 4 of the huge “water storage device using UTSURO”, which is closed by a double dyke, is a calm water area with no waves or flow.
By making the front outer bank 1 of the double bank higher and making it a tsunami defense bank, the structure does not allow the invasion of tsunami. Furthermore, the floating objects are not affected by the earthquake.
Therefore, the floating structure installed in the reservoir using “UTURO” is a structure that is free from earthquakes and tsunamis and can be used in the future together with the floating structure.
The floating structure installed in the huge “water vessel” of the reservoir using “UTSURO”, which does not leak even a single drop, is a storage base for gas, oil, coal, etc., and a floating power plant. It becomes possible.

In addition, waste and radioactive waste treatment such as garbage and sewage incineration ash, etc. deep in the huge “water container” of the reservoir using “UTSURO” that does not leak even a single drop Unlike the land, there is almost no groundwater flow on the seabed, and it is possible to prevent waste leachate.
Moreover, water has the property of not transmitting radioactivity. Radioactive treatment is possible by inserting a large amount of radioactive decontamination soil generated by the nuclear accident into the deep water in the bottom of mud, “UTSURO”, which does not leak a single drop into the outside water area. Have sex.
In this way, a reservoir using “UTSURO” is a safe and verifiable water area that can be treated in large quantities at low cost and has high industrial applicability.

1: It is a tsunami defense dike with a double dike outer dike that constitutes a reservoir using “UTSURO”.
2: This is a double dike channel that forms a reservoir using the “UTSURO”.
3: This is an inner dyke of a double dyke that constitutes a reservoir using “UTSURO”.
4: This is a water storage area that constitutes “UTSURO”.
5: Outside water area (open ocean)
6: Pumping and purification equipment installed in the reservoir using “UTSURO” 7: Input-type purification equipment installed in the reservoir using “UTSURO” 8: “Air in the water ( UTSURO) ”Reservoir drainage and double dike water level adjustment gate 9: Direction of water flow 10: Changeover device with valve 11: Submarine ground 12: Reservoir wall of outer dike constituting double dike 13: Double Inner levee breakwater 14: Pump 15: Outer levee rubble 16: Double dam rubble 17: Double levee Reclaimed earth and sand 18: General filter medium that constitutes the purification bank 19: Special filter medium for the purification bank 20: Flow of water that passes through the filter medium of the purification bank
(symbol)
FHL: Water surface (pressure) of double dike channel always filled with clean water DWL: Water surface (pressure) of double dike channel always kept below sea level ΔH: Clean surface of double dike channel If filled with water, clean water level (pressure)
And the difference in water level (pressure) in the reservoir.
When the water level in the double dike channel is lowered, the difference between the water level (pressure) and the sea level (pressure) in the double dike.
HWL: High tide water surface
LWL: Low tide water surface
WT: Water quality inspection
P: Indicates the pump device

J _O1 : Purification embankment surrounding the A _O1 water area at the suction pump port J _O2 : Purification embankment surrounding the A _O2 water area J _O3 : Purification water embankment surrounding the A _O3 water area A _O1 : _Purified water area surrounded by the purification embankment J _O1 A _O2 : _Clean water area surrounded by purification bank J _O1 and purification bank J _O2 A _O3 : Purification water area surrounded by purification bank J _O2 and purification bank J _O3 J _i1 : Purification water area surrounding the A _i1 water area of the input pump port J _i2 : a _i2 surround the water purification Tsutsumi J _i3: a _i3 purification bank a surround waters _i1: purifying Tsutsumi J _i1 in enclosed purifying waters a _i2: purifying surrounded and purification Tsutsumi J _i1 in purifying Tsutsumi J _i2 waters a _i3 ： _Purified water area surrounded by _Ji2 and Ji3

Claims (3)

The Go water area where the water area where the water level has changed is enclosed by a dam body structure is called “UTSURO”. The water area where the water is to be stored is enclosed by a double levee that holds the waterway, and the “water area sky (UTSURO)” is formed to improve the water tightness of the double levee body, and the water pressure in the waterway is transmitted deeply into the bottom By always filling clean water in a double dike without possible bottom plate with water level (pressure) equal to or higher than the water level (pressure) of the reservoir, a huge clean water container is constructed and a drop of stored water does not leak into the outside sea area. Reservoir using “UTSURO”, a featured area.

The water level (pressure) of the waterway in the double levee body is always kept equal to or lower than the water level (pressure) of the outer sea area, so that one drop of stored water does not leak into the outer sea area. 2. The reservoir according to claim 1, wherein “)” is used.

As a device for purifying stored water in a reservoir using “UTSURO”, a known dam is installed in multiple links in a link form. The purification device that is pumped from the central water area of the “multiple purification device” is called the “multiple pumping purification device”, and the purification device that inputs sewage into the central water area is called the “multiple input purification device”, and is stored and discharged in the reservoir. The reservoir according to claim 1 or 2, wherein "water area sky (UTSURO)" using a "multiple-type input purification device" and a "multiple-type pumping purification device" is used.

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