JPH11241374A - Multiple rainwater storage tanks - Google Patents

Abstract

(57) [Summary] [Problem] To arrange a plurality of rainwater storage tanks to store as much rainwater as possible, and to drain rainwater in excess of the storage amount directly into drainage drains instead of draining it into drains. It can be used to recharge groundwater, restore spring water, prevent heat islands, and preserve green landscapes due to the growth of weeds. [Solution] Between the eaves of the roof of the house and the foundation ground,
A plurality of vertical rainwater storage tanks T1, T2,... Are arranged in parallel, the plurality of rainwater storage tanks are communicated by the communication pipe 18, and a roof is provided above one of the plurality of rainwater storage tanks. A rainwater guide gutter 1 for guiding rainwater from a gutter is provided, and the rainwater is guided to another rainwater storage tank through the communication pipe 18. Infiltrate into the ground through the medium penetration mass M and the groundwater penetration pipe X.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a rainwater storage tank in an eco-life system house that uses rainfall on all premises of a house for living water. In addition, rainwater that falls on the premises is stored once on the premises without being flushed to the sewage, and is used as domestic water, and then gradually penetrates into the ground or drains into the sewage to retain rainwater. It relates to technology for artificially increasing the ability.

[0002]

2. Description of the Related Art Conventionally, a technique relating to a rainwater storage tank has been previously filed by the same applicant. However, the prior application did not disclose a technique for a specific piping system for a plurality of continuous rainwater storage tanks. In addition, since technology for rainwater infiltration into the ground is not disclosed, rainwater that has fallen on the premises is temporarily stored on the premises without being drained at once, and gradually used in the ground after being used as domestic water. No technique has been disclosed for artificially increasing the ability of rainwater to retain water by infiltrating it into sewage or flowing into sewage.

[0003]

SUMMARY OF THE INVENTION According to the present invention, a plurality of rainwater storage tanks are arranged so as to store as much rainwater as possible. It can be used to recharge groundwater, revive spring water, prevent heat islands, and preserve green landscapes through overgrowth of vegetation that can be enjoyed, by infiltrating into the ground on the site.

[0004]

The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described. According to the first aspect, a rainwater storage tank arranged vertically is formed between the eaves of the roof of the house and the foundation ground, and a plurality of the rainwater storage tanks are arranged in parallel. In claim 2, the plurality of rainwater storage tanks arranged in parallel are configured to communicate with each other by a communication pipe. In claim 3, a rainwater guide gutter for guiding rainwater from a roof gutter is provided in one of the plurality of rainwater storage tanks arranged in parallel, and the rainwater guide gutter is provided to another rainwater storage tank. It is configured to guide rainwater through the communication pipe. According to a fourth aspect of the present invention, an overflow pipe is provided in the plurality of continuous rainwater storage tanks, the overflow pipe being discharged when rainwater guided from a roof gutter and stored therein flows in more than the capacity of the rainwater storage tank. The rainwater infiltration mass is placed in the part reaching the inside.

[0005]

Next, an embodiment of the present invention will be described. FIG. 1 is a bird's-eye view of an eco-life system house in which multiple rainwater storage tanks are arranged, and FIG. 2 is a perspective view showing an embodiment of a multiple rainwater storage tank in which vertical rainwater storage tanks T1 and T2 are arranged adjacent to each other. 3 is a plan sectional view of the same, FIG. 4 is a front sectional view showing a portion of a communication pipe 18 of a vertical rainwater storage tank T1, T2, FIG. 5 is a right side view, FIG. 6 is a left side view, and FIG. Is a perspective view showing an embodiment in which the vertical rainwater storage tanks T3 and T4 are arranged apart from each other, and FIG. 8 is a partial cross-sectional view showing a state in which a strainer 52 is attached to the rainwater extraction pipe 12.

Referring to FIG. 1, a description will be given of an eco-life system house in which all of the rainwater falling on the premises is effectively used. In addition, rainwater that falls on the premises is temporarily stored on the premises without being drained to the sewage at once, used as domestic water, and then gradually penetrates into the ground or drains into the sewage to retain rainwater. A technique for artificially increasing the capacity will be described. The roof of the house is divided into three and the roof HK
G and three collecting gutters EFN are arranged. Vertical rainwater storage tanks T1, T2,... Arranged vertically in the eaves of the roof of the house and the foundation ground, and a plurality of the rainwater storage tanks T1, T2,. doing.

The vertical rainwater storage tanks T1 and T2 are
It is constituted by a double tank arranged at a high level position, and is configured to collect and store rainwater falling on a roof G on the north side by a water collecting gutter N. The rainwater collected on the south side roof H collected by the drainage gutter E is supplied to the vertical rainwater storage tank T3.
・ The rainwater on the southern roof K collected in the drainage gutter F is temporarily lowered to the ground surface via piping, and the U-shape is formed by the difference in the water storage level. According to the principle of the pipe, water is injected so as to be directly stored in a horizontal rainwater storage tank A provided on the garage roof R. In addition, the vertical rainwater storage tank T1.
Also from T2, T3, T4, it is configured to supply the rainwater stored on the horizontal rainwater storage tank A by the principle of a U-shaped pipe due to the difference in the storage level.

In order to store rainwater on the roof G on the north side in the vertical rainwater storage tanks T1 and T2, the rainwater storage tanks T1 and T2 are arranged on the north side of the house. Large windows are arranged in consideration of the sunshine, etc., and if the vertical rainwater storage tanks T1 and T2 are arranged there, there is a possibility of shading and obstructing solar radiation. The north side window is generally provided with a vertical small window in many cases, and the wall surface is wide. Therefore, the arrangement of the vertical rainwater storage tanks T1 and T2 and the water collecting gutter N is simple. Because it becomes. In addition, since the flush toilet C2 on the second floor is often arranged on the north side of the house, the vertical rainwater storage tank T1 is used to supply rainwater as flush water to the flush toilet C2 on the second floor. The effect of arranging T2 on the north side can be obtained. When the stored water in the vertical rainwater storage tanks T1 and T2 is exhausted, the flush water of the second-floor flush toilet C2 is pumped from the horizontal rainwater storage tank A or a buried low-position rainwater storage tank B described later. It is also possible to supply water by pumping. In addition, the rainwater stored in the vertical rainwater storage tanks T1, T2, T3, and T4 can be supplied as flush water for flush toilets on the first floor and supplied to plants growing on balconies on the second floor. I have.

In addition to storing rainwater in the vertical rainwater storage tanks T1, T2,..., Rainwater can also be stored in the horizontal rainwater storage tank A provided in the pergola portion supporting the garage roof R. . The horizontal rainwater storage tank A is
It is configured so as to utilize the space of the garage, and has a height that does not affect the solar radiation of the neighboring house as a height below the limit of the adjacent land boundary work. Further, the horizontal rainwater storage tank A is formed in a horizontally long shape so as not to extend upward. The rainwater stored in the horizontal rainwater storage tank A is configured to be supplied as flush water for a flush toilet on the first floor.

A solar cell D is disposed on the garage roof R, and a fountain pump disposed in a pond L and a buried rainwater storage tank B to be described later are operated by electric power obtained from the solar cell D. A pump for pumping stored rainwater into the horizontal rainwater storage tank A, a pump for pumping rainwater stored in the horizontal rainwater storage tank A to the vertical rainwater storage tanks T1 and T2, and the like are configured to be driven. I have. Further, the solar cell D is also provided on the roof of a house with few shields or on the roof of a balcony on the second floor in order to increase power generation efficiency.

A buried rainwater storage tank B is buried in a semi-buried state on the southern site of the house, and rainwater can be stored inside the buried rainwater storage tank B. That is, the rainwater storage tank B of the buried type has rainwater overflowing from the horizontal rainwater storage tank A,
The rainwater that has penetrated from the upper surface of the buried rainwater storage tank B is stored. The relationship between the horizontal rainwater storage tank A and the buried rainwater storage tank B is substantially the same as the water level of the rainwater storage vessel Z disposed below the horizontal rainwater storage tank A and the water level of the buried rainwater storage tank B. At the same level, by disposing a pumping pump inside the rainwater storage container Z, the rainwater stored in the buried rainwater storage tank B and, consequently, the rainwater stored in the rainwater storage container Z is transferred to the horizontal rainwater via the pump. It is configured so that water can be pumped into the storage tank A.

The rainwater that is sequentially distributed to the vertical rainwater storage tanks T 1, T 2,... And overflows as it fills up can be supplied to the horizontal rain water storage tank A, and overflows from the horizontal rain water storage tank A. Rainwater is configured to be supplied to a buried type rainwater storage tank B, and rainwater overflowing from the buried type rainwater storage tank B is configured to be able to be supplied to a pond L. It is configured to be able to penetrate into the ground through rainwater penetrating pipes. The pond L is a pond in which freshwater fish, aquatic animals, and aquatic plants can inhabit, and a fountain pump is disposed inside so that the fountain can be constantly blown up. The rainwater collected in the buried type rainwater storage tank B is lost by using the rainwater stored in the vertical rainwater storage tanks T1, T2,... And the horizontal rainwater storage tank A for washing a flush toilet. In the case of
It can be transferred to a horizontal rainwater storage tank A. Further, it can be transferred to vertical rainwater storage tanks T1, T2,.

[0013] As described above, in an eco-life system house that makes effective use of all the rainwater falling on the premises, the roof is divided into roofs H, K, and G, and the drainage gutters E, F, and F are respectively provided.
N is provided to collect and store water in a vertical rainwater storage tank T, a horizontal rainwater storage tank A, and a buried rainwater storage tank B arranged at high, middle, and low positions. Also, a plurality of vertical rainwater storage tanks T1, T2,... Are erected under the eaves to increase the amount of rainwater storage. And storing rainwater from the roof surface
It is possible to collect the cleanest rainwater on the premises, and there is an advantage that it is possible to use the clean stored rainwater.

Referring to FIGS. 2 to 6, an embodiment of a multiple continuous rainwater storage tank will be described. 2, 3, 4, 5, and 6, two vertical rainwater storage tanks T are provided.
1 · T2 is shown. Vertical rainwater storage tank T1
T2 collects rain that has fallen on the roof G on the north side of the house with the water collecting gutter N, injects and stores the rainwater from the rainwater guiding gutter 1 into the vertical rainwater storage tank T1, and then stores the vertical rainwater Storage tank T2
And store it. A filtering filter 17 is disposed above the vertical rainwater storage tank T1 and between the rainwater guide gutter 1 and rainwater that has passed through the filtering filter 17 and has been filtered to remove leaves, dust, etc., is collected by the rainwater storage tank T1. It is stored in the tank T1. The filter 17 has a stainless mesh convex structure in which dirt hardly accumulates and hardly rusts, and has a structure in which even if leaves or the like adhere to the filter, it can be removed by the wind when it dries. The upper part of the vertical rainwater storage tank T2 is covered with a lid 56.

A rainwater extraction pipe 12, a lower pipe 20, and a rainwater supply pipe 50 are provided below the vertical rainwater storage tank T1, and the overflow pipe 2 and the communication pipe 18 are provided in the rainwater supply pipe 50. Is connected. In the lower part of the vertical rainwater storage tank T2, a rainwater extraction pipe 13, a lower pipe 21, and a rainwater supply pipe 51 are provided.
The lower pipe 21 is provided with a communication pipe 1.
The overflow pipe 3 and the water distribution pipe 14 are connected to the rainwater supply pipe 51.

In such a configuration, when the inside of the vertical rainwater storage tank T1 is filled with rainwater and the water surface reaches the upper end of the overflow pipe 2, the rainwater overflowing from the water surface is transmitted from the overflow pipe 2 to the rainwater. The water is guided and supplied to the inside of the rainwater storage tank T2 via the supply pipe 50, the communication pipe 18, and the lower pipe 21. When the inside of the vertical rainwater storage tank T2 is filled with rainwater and the water surface reaches the upper end of the overflow pipe 3, the rainwater overflowing from the water surface flows from the overflow pipe 3 to the water distribution pipe 14 via the rainwater supply pipe 51. And supplied to the horizontal rainwater storage tank A.

As shown in FIG. 2, the water distribution pipe 14 is connected to the rainwater penetrating mass M, and the rainwater penetrating mass M
Can be connected to the rainwater penetrating pipe X to allow the overflowing accumulated rainwater to penetrate into the ground from the rainwater penetrating mass M and the rainwater penetrating pipe X. In addition, when there is no remaining power to penetrate into the ground, a configuration may be adopted in which the wastewater is drained to a drain for the first time. The rainwater submerged mass M is formed by opening a hole in a bucket-shaped container, and the rainwater submerged pipe X is formed by opening a hole in the pipe.

The rainwater stored in the vertical rainwater storage tanks T1 and T2 merges from the rainwater discharge pipes 12 and 13 and is supplied to the flush toilet C2 on the second floor and the flush toilet on the first floor via a water supply pipe 15. It can be used for watering plants growing on the balcony on the second floor. A strainer 52 shown in FIG. 8 is provided at each of the distal ends of the rainwater extraction pipes 12 and 13 so that clean supernatant water can be supplied through the strainer 52 and supplied as washing water for a flush toilet. In such a case, it is possible to avoid piping troubles such as clogging of a fine strainer of the ball tap valve which may occur in the case of the above.

The vertical rainwater storage tanks T1 and T2 are
Rainwater extraction pipes 12 and 13 and lower pipe 20
By projecting the 21, the bottom portion is configured to be a sludge collecting portion, so that clean supernatant water can be supplied. Drain pipes 30 and 31 are provided at the bottom of the vertical rainwater storage tanks T1 and T2 to remove sludge and the like settled in the sludge reservoir by opening and closing the drain cocks 26 and 25. That is, the drain cocks 26 and 25 can be used at a time when the rainfall during the rainy season is not troublesome.
In the state of opening, the rainfall on the roof surface is collected in a gutter, the rainwater is dropped violently and hits the bottom of the tank, and the sludge settled in the sludge reservoir is stirred and discharged from the drain pipes 30 and 31. The inside of the tank can be cleaned.

The communication pipe 18 is provided with a drain cock 19 for discharging mud when it accumulates therein, and the rainwater extraction pipes 12 and 13 are provided with water supply control cocks 27 and 28. ing. Further, the rainwater extraction pipes 12 and 13 may be provided with a water stop cock. The vertical rainwater storage tanks T1 and T2 are placed on a tank support 9 integrally formed of concrete or the like beside the foundation 4 of the house, and fixed to the wall 5 of the house by a tank fixing band 16. By doing so, it is configured to be arranged vertically between the eaves of the roof of the house and the foundation ground.

The vertical rainwater storage tanks T1 and T1
In 2, the piping structure of the overflow pipes 2, 3, the rainwater extraction pipes 12, 13, the lower pipes 20, 21, the rainwater supply pipes 50, 51, and the like is configured using the same members. Therefore, rainwater guide gutter 1, filtration filter 1
7. By changing the arrangement positions of the communication pipe 18, the water distribution pipe 14, and the like, a piping structure in the opposite direction can be obtained.

FIG. 7 shows vertical rainwater storage tanks T3 and T4 which are of a double type but are arranged at a wide interval. In the vertical rainwater storage tanks T3 and T4, the basic piping structure is the same as that of the above-described vertical rainwater storage tanks T1 and T2, and the configuration of the communication pipe 22 is slightly different. That is, a drain cock 26 is provided in the communication pipe 22, and a drainage mass P is disposed at the position of the drain cock 26, so that when mud accumulates inside the communication pipe 22, the drainage can be discharged. The vertical rainwater storage tanks T3 and T4 are provided with separate tank fixing bands 16 and 16 respectively.
To fix to the house wall 5.

The vertical rainwater storage tanks T3 and T3
The collected rainwater of No. 4 is joined from the rainwater extraction pipes 12 and 13 to the water supply pipe 33 so that it can be used as washing water for the flush toilet on the first floor and the like, and is provided on the outer periphery of the vertical rainwater storage tanks T3 and T4. Water faucet cocks 6 and 7 are provided so that the stored rainwater can be taken out therefrom and used for sprinkling and irrigation. The rainwater overflowing from the vertical rainwater storage tank T4 is guided to the water distribution pipe 44, and is stored in the horizontal rainwater storage tank A by utilizing a difference in storage level with the horizontal rainwater storage tank (pergola tank) A. It is configured to be supplied. Further, the water distribution pipe 44 is communicated with the rainwater submerged mass, and the rainwater submerged mass is communicated with the rainwater submerged mass pipe. It is good also as a structure which makes rainwater penetrate into the ground.

In this embodiment, the vertical rainwater storage tank T is configured to be connected in a two-line system, but is not particularly limited. A configuration in which rainwater is sequentially supplied so that it can be stored may be used. Further, the arrangement interval is not particularly limited. This is because it is desirable to determine in consideration of the shape and site of the house.

[0025]

As described above, the present invention has the following advantages. As described in claim 1, between the eaves of the roof of the house and the foundation ground, a rainwater storage tank arranged vertically is configured, and a plurality of the rainwater storage tanks are arranged in parallel to reduce the amount of the stored rainwater. If the capacity of one rainwater storage tank is increased,
The rainwater storage tank that stores a large amount of rainwater could be constituted by the low support force and the support strength as compared with the support strength. In addition, rainwater that falls on the premises is stored once on the premises without being flushed to the sewage, and is used as domestic water, and then gradually penetrates into the ground or drains into the sewage to retain rainwater. It is possible to artificially increase the ability.

According to a second aspect of the present invention, the plurality of rainwater storage tanks arranged in parallel are connected to each other by a communication pipe, so that rainwater collected from a roof via a collecting gutter can be removed.
Rather than separately injecting water into multiple tanks, rainwater injected into one tank can be filled into the next tank through a communication pipe, so it is necessary to install a filter in all tanks Is eliminated, and the number of parts of the filtration filter can be reduced.

According to a third aspect of the present invention, one of the plurality of rainwater storage tanks arranged in parallel is provided with a rainwater guide gutter for guiding rainwater from a roof gutter, and the other rainwater storage tank is provided with the rainwater gutter. By configuring to guide rainwater from the guide gutter through the communication pipe, in the case of three or more of two or more,
Even in the case of a continuous type, a plurality of rainwater storage tanks can be configured by connecting the lower part of the tank of the same shape with a communication pipe, so that common parts can be used, and cost can be reduced. You can.

According to a fourth aspect of the present invention, an overflow pipe is provided in the plurality of continuous rainwater storage tanks, and the overflow pipe is discharged when rainwater guided and stored from a roof gutter flows in over the capacity of the rainwater storage tank. By placing rainwater infiltration mass in the part where the pipe has reached the ground, rainwater that has been stored more than necessary can be infiltrated into the ground through rainwater infiltration mass and groundwater infiltration pipe. So that it can penetrate into the grounds on the premises to recharge groundwater,
It could be used to revive spring water, prevent heat islands, and preserve green landscapes due to the growth of vegetation.

[Brief description of the drawings]

FIG. 1 is an overhead view of an eco-life system house in which a plurality of continuous rainwater storage tanks are arranged.

FIG. 2 is a perspective view showing an embodiment of a multiple-type rainwater storage tank in which vertical rainwater storage tanks T1 and T2 are arranged adjacent to each other.

FIG. 3 is a sectional plan view of the same.

FIG. 4 is a communication pipe 18 of the vertical rainwater storage tanks T1 and T2.
FIG.

FIG. 5 is a right side view of the same.

FIG. 6 is a left side view of the same.

FIG. 7 is a perspective view showing an embodiment in which vertical rainwater storage tanks T3 and T4 are arranged apart from each other.

FIG. 8 is a partial cross-sectional view showing a state where a strainer 52 is mounted on the rainwater extraction pipe 12.

[Explanation of symbols]

 T Vertical rainwater storage tank A Horizontal rainwater storage tank B Buried rainwater storage tank E ・ F ・ N Water collecting gutter H ・ KG ・ Roof M Rainwater infiltration mass underground X Groundwater infiltration pipe 1 3 Overflow pipe 12 ・ 13 Rainwater extraction pipe 14 Water distribution pipe 15 Water supply pipe 17 Filtration filter 18 Communication pipe

Claims (4)

[Claims] [Claim 1] Between the eaves of the roof of the house and the foundation ground,
A rainwater storage tank comprising a plurality of continuous rainwater storage tanks, wherein the rainwater storage tanks are arranged vertically and a plurality of the rainwater storage tanks are arranged in parallel. 2. The multiple rainwater storage tank according to claim 1, wherein the plurality of rainwater storage tanks arranged in parallel are connected by a communication pipe. 3. A rainwater guide gutter for guiding rainwater from a roof gutter is provided in one of the plurality of rainwater storage tanks arranged in parallel, and the rainwater guide gutter is connected to another rainwater storage tank by the rainwater guide gutter. The rainwater storage tank according to claim 2, wherein the rainwater is guided through a communication pipe. 4. An overflow pipe is provided in the plurality of continuous rainwater storage tanks, the overflow pipe being discharged when rainwater guided from a roof gutter and stored therein flows in more than the capacity of the rainwater storage tank. The multiple continuous rainwater storage tank according to claim 1, wherein a rainwater infiltration mass is disposed in a portion reaching the point.