KR102195553B1 - A Store Tank For Rainwater having evaporation reduction means - Google Patents

Abstract

The present invention relates to a rainwater storage tank having an evaporation suppression means which has an improved structure to selectively open and close a rainwater supply hole receiving rainwater from the outside to suppress evaporation of rainwater stored in a rainwater storage tank, and conveniently adjust the water level of the rainwater storage tank. The rainwater storage tank having an evaporation suppression means comprises: a storage tank including a supply unit provided on an upper portion thereof and provided with a plurality of rainwater supply holes formed on the bottom surface thereof to supply rainwater supplied from the outside thereinto, a tank body integrally formed with the supply unit and provided with a space formed therein to store rainwater, and a drain line connected to discharge rainwater stored in the space of the tank body; a valve member including a cover unit which is arranged in the space to be rotated by a rotary pin, sticks to a lower side of the rainwater supply holes on one side to block the space and the supply unit if rainwater is not supplied, and is rotated in a clockwise direction with respect to the rotary pin to open the rainwater supply holes if rainwater is supplied, and a weight unit which is arranged on the other side with respect to the rotary pin and provides a returning force for the cover unit by the weight thereof when the cover unit returns and rotates; a filter member provided in the space to filter out foreign substances of rainwater supplied from the outside; and a support frame which is arranged in the space, and maintains the filter member to be separated from the bottom surface in the space to form a filling space for temporarily storing rainwater between the filter member and the rainwater supply holes.

Description

A Store Tank For Rainwater having evaporation reduction means}

The present invention relates to a rainwater storage tank equipped with an evaporation inhibiting means, and in particular, by selectively opening and closing a rainwater supply hole through which rainwater is supplied from the outside, it is possible to suppress the evaporation of rainwater stored in the rainwater storage tank, and to store rainwater. It relates to a storm water storage tank provided with an evaporation inhibiting means whose structure is improved so that the water level of the tank can be easily adjusted.

In general, the water shortage phenomenon is acting as a major issue in many countries around the world, and Korea is also in a phase where it cannot be neglected.

In order to solve such a water shortage phenomenon, effective management, securing and utilization of water from various angles is being sought.

As an alternative, various research and development of rainwater storage tanks or methods of efficiently using rainwater that falls naturally.

Conventional rainwater storage tanks are made by field production using corrugated steel pipes or concrete, so they are affected by the environment such as the workplace or weather during the construction process, and because the size of the storage tank is mainly produced on-site, it is a detached house or small and medium sized house. There is a problem in that it is difficult to apply in a large-scale building, and thus it is difficult to expect the spread of rainwater use.

[ In this case, a collecting groove for collecting rainwater is formed at the top, an inlet for introducing rainwater is formed through the center of the collecting groove, a coupling groove is formed at the bottom, and the upper part of the rainwater storage tank is sealed inside the coupling groove. A catch cover formed with a fastening part for fastening when locking; An inflow control means installed to open and close the inlet of the water collecting cover; The upper part is opened and the connection part to which the fastening part of the collecting cover is coupled is formed at the upper part, and the lower part is composed of a rainwater storage tank including a discharge valve having an outlet for discharging the rainwater stored therein.

As another prior art of the existing storm storage tank, as disclosed in Korean Patent Publication No. 10-1597496, "A water tank for large-capacity storm water storage and its construction method" (registration date: 2016.02.18), a circular side wall is formed in a circular shape. pit; A compaction layer formed on the bottom of the circular pit; A plurality of concrete blocks whose outer surfaces are supported by the side walls and are connected to each other along the edge of the compaction layer, and at least some of them are provided with column fixtures; A filling layer filled on the compaction layer inside the concrete block; A cylindrical frame configured with a plurality of pillars supported by the concrete block and erected at intervals along the concrete block and a pillar connecting member connecting and supporting the plurality of pillars with each other; A plurality of panels coupled to the cylindrical frame to form a cylindrical wall; A waterproof water bag installed inside the cylindrical wall by the panel; And a water discharge means installed at a lower end of the cylindrical wall to provide a passage for discharging water from the waterproof water bag to the outside, and a valve for opening and closing the passage.

However, in the prior art described above, rainwater is stored in the storage tank through the rainwater supply hole from the outside, and the rainwater supply hole is perforated so as to communicate with the outside, so that the rainwater filled in the storage tank increases the internal temperature of the storage tank. There is a risk of vaporization and evaporation as it occurs, and this has a disadvantage of lowering the rainwater storage efficiency in summer.

Korean Utility Model Publication No. 20-0466329 "Excellent Storage Tank" (Registration Date: 2013.04.03) Korean Patent Publication No. 10-1597496 "Large-capacity rainwater storage tank and its construction method" (Registration date: 2016.02.18)

The present invention was created to solve this problem in view of the above problems, and its object is to suppress the evaporation of the rainwater stored in the rainwater storage tank by selectively opening and closing the rainwater supply hole through which rainwater is supplied from the outside. It is intended to provide a storm water storage tank equipped with an evaporation inhibiting means with an improved structure so that the water level of the storm water storage tank can be easily adjusted.

Another object of the present invention is to provide a valve member in which the opening and closing operation of the excellent supply hole is opened and closed by its own weight, so that the opening and closing operation of the valve member according to the presence or absence of excellent supply without the need to supply separate driving energy to the valve member It is to provide an excellent storage tank equipped with an evaporation inhibiting means having an improved structure so that this can be achieved.

The present invention for achieving the above object is a supply unit provided at the top and having a plurality of rainwater supply holes formed on the bottom surface so that the rainwater supplied from the outside can be supplied to the inside, and the supply unit is formed integrally with the supply unit, A storage tank having a tank body having a storage space portion formed thereon, and a drain line connected to discharge rainwater stored in the space portion of the tank body; It is disposed rotatably with a rotation pin inside the space part, and when rainwater is not supplied, it is in close contact with the lower side of the rainwater supply hole on one side to block the supply part and the space, and when rainwater is supplied, the rainwater supply hole is closed. A cover portion that rotates in the direction of movement of the clock hand with respect to the rotation pin to open it, and a weight portion disposed on the other side of the rotation pin to provide a return force to the cover portion with its own weight when the cover portion is rotated. A valve member provided; A filter member provided in the space and filtering excellent foreign matter supplied from the outside; And a support frame disposed in the space portion and maintaining the filter member so as to be spaced apart from the bottom surface in the space portion so that a filling space in which rainwater can be temporarily stored is formed between the filter member and the rainwater supply hole. And, the support frame is provided with a leg member that separates the filter member from the bottom surface of the supply unit having excellent supply holes, and a handle protruding outward from the supply unit so that the filter member can be easily drawn out of the supply unit. It is characterized by that.

Further provided with a water level control means for adjusting the water level of the rain stored in the space, wherein the water level control means is a floating valve for opening and closing a flow path of the make-up water supply line according to a change in the water level in the space, and supplying the make-up water It is positioned above the line and includes an overflow line for discharging rainwater in the space to the outside when the water level in the space exceeds the high water level.

Further provided with a water level control means for adjusting the water level of rain stored in the space, wherein the water level control means is installed at a certain height of the tank body to measure the water level and output it to the control side, and the water level A control unit that determines whether the water level stored in the space is a low level based on the signal output from the level sensor, and outputs a control signal that controls the operation of the on/off valve that opens and closes the flow path of the supplemental water supply line when it is determined to be a low level. And, a make-up water supply line for supplying make-up water into the space according to a control signal from the control unit, and a make-up water supply line that is located above the make-up water supply line, and when the water level in the space exceeds the high water level, excellence in the space is It has an overflow line discharged to the outside.

The cover part is made of a flexible material in the form of a thin plate so as to be in close contact with the bottom of the space part.

The support frame is formed in a mesh shape so that the rainwater passing through the filter member is supplied to the rainwater supply hole through the filling space.

The handle is formed in the shape of a hook so that it can be supported by hanging on the upper edge of the supply unit.

The present invention suppresses evaporation of the rainwater contained in the storage tank by opening the rainwater supply hole, which is a path through which rainwater is supplied into the space of the storage tank, and blocking it with the cover of the valve member when rainwater is not supplied. It has a useful advantage that can be made.

The valve member of the present invention maintains a horizontal state so that the cover part can block the rainwater supply hole at normal times, and when an excellent pressure load acts on the cover, the cover part is rotated to open the rainwater supply hole to supply rainwater into the space. And, if the excellent pressurization load does not act on the cover, it is constructed in a structure that can return the cover to its original position by the weight of the weight, so it is easy to maintain and repair with a simple configuration. It has the advantage of saving energy since it is possible to perform the opening and closing operation of the rainwater supply hole.

The water level control means of the present invention provides supplemental water according to a change in water level using a floating valve or a water level sensor, or drains through an overflow line, so that the water level of the rainwater stored in the space portion of the storage tank can be easily discharged. It has the advantage of being able to control the water level.

1 is an exterior perspective view of an excellent storage tank equipped with an evaporation inhibiting means according to the present invention.
Figure 2 is an exploded perspective view of the filter member and the support frame built in the present invention supply.
Figure 3 is a cross-sectional view showing a valve member in the case of not supplying the usual rain of the present invention.
Figure 4 is a use state diagram showing the state of use of the valve member when the excellence of the present invention is supplied.
Figure 5 is a view showing another embodiment of the present invention excellent control means.

The present invention makes it possible to suppress the evaporation of rainwater in the rainwater storage tank to the outside through the rainwater supply hole communicated with the outside, and to easily adjust the rainwater level in the storage tank.

Hereinafter, a rainwater storage tank equipped with an evaporation inhibiting means according to the present invention will be described in more detail through detailed description of embodiments with reference to the drawings.

In describing the present invention, if it is determined that a detailed description of a related known technology or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. In addition, terms to be described later are terms defined in consideration of functions in the present invention and may vary according to user intentions or customs. Therefore, the definition should be made based on the contents throughout this specification. In addition, "including" a certain component means that other components may be further included rather than excluding other components unless specifically stated to the contrary.

The storm water storage tank equipped with an evaporation inhibiting means according to the present invention will be described with reference to FIGS. 1 to 4, and a plurality of rainwater supply holes on the bottom surface so that rainwater provided at the top and supplied from the outside can be supplied to the inside ( 115), a tank body 120 formed integrally with the supply unit 110 and having a space 125 for storing rainwater therein, and a space portion of the tank body 120 ( A storage tank 100 provided with a drain line 130 connected to discharge rainwater stored in 125); The space unit 125 is disposed to be rotatable with a rotation pin 230, and when rainwater is not supplied, the supply unit 110 and the space unit are in close contact with the lower side of the rainwater supply hole 115 on one side. Blocking 125 and when rainwater is supplied, a cover part 210 that rotates in the direction of movement of the clock hand relative to the rotation pin 230 to open the rainwater supply hole 115, and the rotation pin A valve member 200 disposed on the other side with respect to 230 and provided with a weight portion 220 providing a return force to the cover portion 210 with its own weight when the cover portion 210 is rotated; A filter member 400 provided in the space unit 125 to filter excellent foreign matter supplied from the outside; And a filling space (S) in which rainwater can be temporarily stored is formed between the filter member 400 and the rainwater supply hole 115. Includes; a support frame 450 for maintaining spaced apart from the bottom surface in the space unit 125, and the support frame 450 includes the filter member 400 of the supply unit 110 in which the excellent supply hole 115 is formed. A leg member 452 spaced apart from the bottom surface, and a handle 454 protruding outward from the supply unit 110 so that the filter member 400 can be easily withdrawn to the outside of the supply unit 110 is provided. To do.

Referring to Figure 1, the tank body 120 is provided with a drain line 130 in which rainwater is discharged to the outside in the lower portion, and is drained to the outside when the rainwater level in the space part 125 exceeds the high water level. The overflow line (330) has a connected structure.

The supply unit 110 of the tank body 120 is disposed so that the lower bottom surface of which the plurality of rainwater supply holes 115 are perforated is in contact with the space unit 125, as shown in FIGS. It is formed in a cylindrical structure opened upward so that rainwater can be supplied.

In the drawing, the lower bottom surface of the supply unit 110 is expressed as being formed at a height entering the interior of the space unit 125, but may be formed at the same height as the upper surface of the tank body 120.

On the upper side of the supply unit 110, a rainwater supply line 10 through which rainwater collected from the roof of a building is supplied is provided at a spaced height.

Preferably, a filter member 400 for filtering out foreign matter supplied from the rainwater supply line 10, which is the outside, is embedded in the supply unit 110.

The filter member 400 prevents waste contained in the rainwater falling through the rainwater supply line 10 from flowing into the storage tank 100.

When the filter member 400 is in close contact with the lower bottom surface of the supply unit 110, a sufficient load is transmitted to the cover unit 210 so that the rainwater supply unit 110 is removed before opening the rainwater supply hole 115. Since there is a risk of overflow, it is preferable that the filtered rainwater is positioned to be spaced apart from the lower bottom surface of the supply unit 110 so that the filtered rainwater can be temporarily stored.

To this end, the present invention is a support frame 450 disposed in the space part 125 and maintaining the filter member 400 to be spaced apart from the bottom surface in the space part 125 as shown in FIGS. 2 and 3. ) Is further provided.

A leg member 452 for separating the filter member 400 from the lower bottom surface of the supply unit 110 is formed under the support frame 450.

Accordingly, the support frame 450 is such that a filling space S in which rainwater can be temporarily stored is formed between the filter member 400 and the rainwater supply hole 115.

In addition, the support frame 450 is provided with a handle 454 so as to protrude to the outside of the supply unit 110 so that the filter member 400 can be easily withdrawn to the outside of the supply unit 110.

The handle 454 is preferably formed in the shape of a hook so that it can be supported by hanging on the upper edge of the supply unit 110.

In this case, since the support frame 450 is suspended from the upper edge of the supply unit 110 to the height of the support frame 450, the aforementioned leg member 452 may be omitted.

The support frame 450 has a structure formed in a mesh shape so that the rainwater passing through the filter member 400 is supplied to the rainwater supply hole 115 through the filling space S.

Therefore, the support frame 450 of the present invention forms a filling space (S) in which rainwater is temporarily filled by spaced apart the filter member 400 so as to have a gap upward from the bottom surface of the supply unit 110. In addition to preventing rainwater from overflowing to the outside of the supply unit 110, the filter member 400, which is similar to the diameter width of the supply unit 110 when lifted using the handle 454, is difficult to extract from the outside, is provided with the supply unit 110 ) Has the advantage of being able to withdraw easily.

The valve member 200 is divided into a cover part 210 on one side and a weight part 220 on the other side by a rotation pin 230 hinged to the wall of the tank body 120.

Normally, as shown in FIG. 3, the cover part 210 of the valve member 200 is kept horizontal, so that it is in close contact with the lower side of the bottom surface of the supply part 110 to block the excellent supply hole 115. However, when rainwater is supplied into the supply unit 110 through the rainwater supply line 10, as the weight of the rainwater is added to the cover 210, the cover 210 is rotated in the direction of the clock hand. The rainwater supply hole 115 is opened.

The weight unit 220 maintains the horizontal state of the cover unit 210 before the weight of the excellence is added, and can provide a return force to the original position of the cover unit 210 after the weight of the excellence is removed. It has a weight of about.

To this end, the weight part 220 is formed to have a greater weight than the weight of the cover part 210.

The cover part 210 is formed in a thin plate shape for adhesion to the lower side of the bottom surface of the supply part 110 and is made of a material having elasticity (for example, rubber, urethane, silicone, etc.).

The storage tank 100 is further provided with a water level control means for adjusting the water level of stored rainwater.

The water level control means includes a floating valve 320 that opens and closes the flow path of the make-up water supply line 310 according to the change in the water level in the space part 125, and is located above the make-up water supply line 310, and When the water level in the part 125 exceeds the high water level, an overflow line 330 for discharging rainwater in the space part 125 to the outside is provided.

The floating valve 320 (float controlled valve) is provided inside the storage tank 100 and is disposed at a height corresponding to the low water level to open and close the flow path of the make-up water supply line 310 according to the change in the water level of the rain.

Accordingly, when the water level is low, the water level is adjusted by supplying the makeup water to the interior of the storage tank 100 through the makeup water supply line 310, and when the water level exceeds the high water level, rainwater is discharged to the outside through the overflow line 330. The water level is adjusted accordingly.

In the present invention having such a configuration, when rainwater is not normally supplied into the supply unit 110 from the rainwater supply line 10, as shown in FIG. 3, the cover 210 is kept in a horizontal state, so that the cover The unit 210 is kept in close contact with the lower side of the bottom surface of the supply unit 110 so as to block the rainwater supply hole 115 in communication with the outside.

On the other hand, when rainwater, which is rainwater, is supplied from the rainwater supply line 10 to the upper side of the supply unit 110, as shown in FIG. 4, while passing through the filter member 400, foreign matter is filtered, and the filtered rainwater is excellent. As it acts as a pressing load that is pressed from the top to the bottom of the cover part 210 through the supply hole 115, the cover part 210 is rotated around the rotation pin 230 in the traveling direction of the clock hand. The rainwater supply hole 115 is opened to introduce the filtered rainwater into the storage tank 100.

After the above-described injection process of the rain is completed, the pressurizing load applied to the cover unit 210 is removed, and accordingly, the cover unit 210 is centered on the rotation pin 230 by the weight of the weight unit 220 As a result, it rotates in the direction opposite to the direction of the clock hand and returns to its original position.

Accordingly, the valve member 200 of the present invention blocks the rainwater supply hole 115 using the cover part 210 when rainwater is not supplied into the storage tank 100, so that the storage tank 100 The rainwater filled in the inside is vaporized due to the high temperature in the summer and functions to suppress evaporation to the outside.

That is, the valve member 200 of the present invention has an advantage of saving energy since the opening and closing operation of the cover part 210 can be performed according to the presence or absence of excellent supply without separate energy supply.

The water level control means is for adjusting the water level of the rainwater filled in the space 125 of the storage tank 100 through the rainwater supply hole 115, and when the water level of the rainwater is lower than the low water level, the floating valve 320 ) Is operated to open the flow path of the make-up water supply line 310 to supply the make-up water into the space unit 125.

On the contrary, when the water level of the rainwater is higher than the high water level, the rainwater in the storage tank 100 is drained to the outside through the overflow line 330 and the water level is automatically adjusted.

Accordingly, the present invention opens the rainwater supply hole 115, which is a path through which rainwater is supplied into the space portion 125 of the storage tank 100, when rainwater is supplied, and when rainwater is not supplied, the valve member 200 By blocking the cover part 210, it has a useful advantage of suppressing the evaporation of the rainwater contained in the storage tank 100.

The valve member 200 of the present invention maintains a horizontal state so that the cover part 210 can block the excellent supply hole 115 at normal times, and when an excellent pressurization load acts on the cover part 210, the cover part 210 ) By rotating the rainwater supply hole 115 to open the rainwater supply hole 115 to supply rainwater into the space unit 125, and when the pressing load of the rainwater does not act on the cover portion 210, it is covered with the weight of the weight portion 220 Since it is composed of a structure capable of returning the part 210 to its original position, maintenance is easy as it is configured in a simple configuration, and it is possible to perform the opening and closing operation of the excellent supply hole by using its own weight without a separate driving source, thereby saving energy. It has an advantage that can be saved.

5 is a view showing another embodiment of the water level control means of the present invention, the water level control means is installed at a certain height of the tank body 120 to measure the water level and output it to the control unit 360 ( 350) and, based on the signal output from the water level sensor 350, it is determined whether the water level of the rainwater stored in the space unit 125 is the low water level, and when it is determined as the low water level, the flow path of the supplementary water supply line 310 is A control unit 360 for outputting a control signal for controlling the operation of the opening/closing valve, and a make-up water supply line 310 for supplying make-up water into the space unit 125 according to a control signal from the control unit 360; An overflow line 330 is provided above the make-up water supply line 310 and discharges rainwater in the space 125 to the outside when the water level in the space 125 exceeds the high water level.

In this case, when at least one water level sensor 350 is placed in the tank body 120 of the storage tank 100, an abnormal signal is transmitted to the controller 360 when the water level of the rain does not reach the water level sensor 350. Then, based on the signal output from the water level sensor 350, the control unit 360 determines that the rain in the tank body 120 is at a lower level than the low water level, and outputs a control signal.

In addition, in another embodiment of the present invention, unlike the above-described embodiment, the filter member 400 is provided to be embedded in the supply unit 110 with the support frame 450 omitted.

This is, by forming the height of the supply unit 110 of the present invention so that the receiving space of the rainwater before filtering the rainwater has a sufficient height, it is possible to prevent overflow of the rainwater to the supply unit 110.

When measuring the water level in the space part 125 by the above-described water level sensor 350, it is preferable to measure the accurate water level by placing it at different heights up and down.

The control unit 360 outputs a control signal for controlling the opening/closing operation of the flow path of the supplementary water supply line 310 based on the signal output from the water level sensor 350, so that the water level in the space unit 125 is lower than the low water level. In this case, the water level can be adjusted by supplying supplemental water into the space unit 125.

Therefore, the water level control means of the present invention composed of the above-described embodiments changes the water level by using the floating valve 320 or the water level sensor 350 of the water level of the rainwater stored in the space 125 of the storage tank 100. It has the advantage of being able to easily adjust the water level by supplying make-up water or draining it through the overflow line 330 according to.

As described above, although specific embodiments have been described in the detailed description of the present invention, various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention is limited to the embodiments described above and should not be limited, and should be determined by the claims and equivalents as well as the claims to be described later.

That is, the present invention described above is not limited to the specific preferred embodiments described above, and anyone with ordinary knowledge in the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the claims Of course, various modifications are possible, and such modifications are within the scope of the description of the claims.

10: excellent supply line 100: storage tank
110: supply unit 115: excellent supply hole
120: tank body 125: space
130: drain line 200: valve member
210: cover 220: weight
230: rotary pin 310: make-up water supply line
320: floating valve 330: overflow line
350: water level sensor 360: control unit
400: filter member 450: support frame
452: leg member 454: handle
S: Charging space

Claims (6)

A supply unit 110 provided at the top and having a plurality of rainwater supply holes 115 formed on the bottom surface so that rainwater supplied from the outside can be supplied to the inside, and the supply unit 110 is integrally formed with rainwater stored inside A storage tank 100 having a tank body 120 having a space portion 125 formed thereon, and a drain line 130 connected to discharge rainwater stored in the space portion 125 of the tank body 120;
The space unit 125 is disposed to be rotatable with a rotation pin 230, and when rainwater is not supplied, the supply unit 110 and the space unit are in close contact with the lower side of the rainwater supply hole 115 on one side. Blocking 125 and when rainwater is supplied, a cover part 210 that rotates in the direction of movement of the clock hand relative to the rotation pin 230 to open the rainwater supply hole 115, and the rotation pin A valve member 200 disposed on the other side with respect to 230 and provided with a weight portion 220 providing a return force to the cover portion 210 with its own weight when the cover portion 210 is rotated;
A filter member 400 provided in the space unit 125 to filter excellent foreign matter supplied from the outside; And
The filter member 400 is provided in the space 125 so as to form a filling space S between the filter member 400 and the rainwater supply hole 115 in which rainwater can be temporarily stored. Includes; a support frame 450 to be kept spaced apart from the bottom surface in the part 125
The support frame 450 includes a leg member 452 that separates the filter member 400 from the bottom surface of the supply unit 110 in which the excellent supply hole 115 is formed, and a filter protruding outward from the supply unit 110. An excellent storage tank provided with an evaporation inhibiting means, characterized in that the handle 454 is provided so that the member 400 can be easily withdrawn to the outside of the supply unit 110. The method according to claim 1,
Further provided with a water level control means for controlling the water level of the rain stored in the space unit 125,
The water level adjusting means includes a floating valve 320 for opening and closing the flow path of the supplementary water supply line 310 according to the change in the water level in the space 125,
It is located above the make-up water supply line 310 and provided with an overflow line 330 for discharging rainwater in the space 125 to the outside when the water level in the space 125 exceeds the high water level. An excellent storage tank equipped with an evaporation inhibiting means, characterized in that. The method according to claim 1,
Further provided with a water level control means for controlling the water level of the rain stored in the space unit 125,
The water level control means is installed at a certain height of the tank body 120 to measure the water level and output it to the control unit 360, a water level sensor 350,
An opening/closing valve that determines whether the water level of the rainwater stored in the space unit 125 is a low water level based on the signal output from the water level sensor 350, and opens and closes the flow path of the supplemental water supply line 310 when it is determined as a low water level. A control unit 360 that outputs a control signal for controlling the operation of,
A make-up water supply line 310 for supplying make-up water into the space unit 125 according to a control signal from the control unit 360;
It is located above the make-up water supply line 310 and provided with an overflow line 330 for discharging rainwater in the space 125 to the outside when the water level in the space 125 exceeds the high water level. An excellent storage tank equipped with an evaporation inhibiting means, characterized in that. The method according to claim 1,
The cover part 210 is an excellent storage tank provided with an evaporation inhibiting means, characterized in that it is made of a flexible material in the form of a thin plate so as to be in close contact with the bottom of the space part 125. The method according to claim 1,
The support frame 450 is formed in a mesh shape so that the rainwater passing through the filter member 400 is supplied to the rainwater supply hole 115 through the filling space S. Tank. The method according to claim 1,
The handle (454) is an excellent storage tank provided with an evaporation inhibiting means, characterized in that formed in the shape of a hook to be supported by walking on the upper edge of the supply unit (110).

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