JPH06136794A - Water supply system for multistory building - Google Patents
Water supply system for multistory buildingInfo
- Publication number
- JPH06136794A JPH06136794A JP28830692A JP28830692A JPH06136794A JP H06136794 A JPH06136794 A JP H06136794A JP 28830692 A JP28830692 A JP 28830692A JP 28830692 A JP28830692 A JP 28830692A JP H06136794 A JPH06136794 A JP H06136794A
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- Prior art keywords
- water
- compartment
- pressure
- pump
- electric motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高層建築物の給水装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water supply system for high-rise buildings.
【０００２】[0002]
【従来の技術】従来、高層ビルに給水するには、地下水
槽に水道水を貯め、ポンプで屋上の高架タンクに揚水し
て水頭により給水するのが、一般的である。2. Description of the Related Art Conventionally, in order to supply water to a high-rise building, it is common to store tap water in a ground water tank, pump it up to an elevated tank on the roof, and supply water by a head of water.
【０００３】[0003]
【発明が解決しようとする課題】従来の装置では、地下
タンク及び高架タンクを必要とする。揚水に大容量、高
揚程のポンプを必要とする。各階に大量の水を均一に補
給することができなく、上層階では消火栓が使用できな
いなどの不具合がある。The conventional device requires an underground tank and an elevated tank. A large capacity and high head pump is required for pumping water. There is a problem that a large amount of water cannot be supplied uniformly to each floor, and fire hydrants cannot be used on the upper floors.
【０００４】本発明は、地下タンク、高架タンクの必要
がなく、普通容量のポンプで各階に大量の水を均一に補
給することができる高層建築物の給水装置を提供するこ
とを目的としている。It is an object of the present invention to provide a water supply system for a high-rise building that does not require an underground tank or an elevated tank and can supply a large amount of water to each floor uniformly with a pump of ordinary capacity.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、高層建
築物に地階から最上階に至る筒状の給水タンクを立設
し、該給水タンクの１階から最上階の部分に後記第１、
第２電動機駆動型自吸ポンプの揚程内を開閉自在な開閉
部で仕切った１階を含む第１隔室及び該第１隔室上方の
複数の第２隔室を画成し、該第１、第２隔室にそれぞれ
減圧弁を介して給水管を接続し、前記第１隔室に水道管
が直結された第１電動機駆動型自吸ポンプの吐出口を接
続し、前記第１隔室に吸込口が接続された電動機駆動型
自吸ポンプの吐出口を前記第２隔室に接続し、以下同様
に吸込口が下方隔室に接続された吐出口が上方隔室に接
続された第２電動機駆動型自吸ポンプを設け、該第１、
第２電動機駆動型自吸ポンプに下限水圧以下で電動機を
起動させ上限水圧以上で停止させる圧力スイッチを設け
ている。According to the present invention, a cylindrical water tank extending from the basement to the uppermost floor is erected on a high-rise building, and the first to the below-mentioned parts are provided on the portion from the first floor to the uppermost floor of the water supplying tank. ,
A first compartment including a first floor, which is partitioned by an opening / closing section that can open and close the inside of the head of the second electric motor driven self-priming pump, and a plurality of second compartments above the first compartment are defined. A water supply pipe is connected to each of the second compartments via a pressure reducing valve, and a discharge port of a first electric motor driven self-priming pump having a water pipe directly connected to the first compartment is connected to the first compartment. The discharge port of the electric motor drive type self-priming pump having the suction port connected to the second chamber is connected to the second chamber, and similarly, the suction port is connected to the lower chamber and the discharge port is connected to the upper chamber. A two-motor driven self-priming pump is provided, and the first,
The second electric motor driven self-priming pump is provided with a pressure switch that starts the electric motor at a water pressure below the lower limit and stops it at a water pressure above the upper limit.
【０００６】上記第１、第２電動機駆動型自吸ポンプ
は、水圧が４気圧以下で起動し、７気圧で停止するよう
に圧力スイッチの制御圧を設定するのが好ましい。In the first and second electric motor driven self-priming pumps, it is preferable to set the control pressure of the pressure switch so that the self-priming pump starts at a water pressure of 4 atm or less and stops at 7 atm.
【０００７】また、第１、第２電動機駆動型自吸ポンプ
には、揚程が８ｋｇ／ｃｍ2 程度のものを用い、各隔室
は２階分の高さ（例えば７〜８ｍ）に画成するのが好ま
しい。The first and second electric motor driven self-priming pumps having a head of about 8 kg / cm 2 are used, and each compartment is defined by a height of two floors (for example, 7 to 8 m). Preferably.
【０００８】また、各隔室には、２気圧の減圧弁を介し
て水栓管を接続し、４気圧の減圧弁を介してスプリンク
ラー管を接続し、また、直接に消火栓を接続するのが好
ましい。Further, it is preferable to connect a water faucet pipe to each compartment via a pressure reducing valve of 2 atm, a sprinkler pipe via a pressure reducing valve of 4 atm, and a fire hydrant directly. preferable.
【０００９】また、第１、第２電動機駆動型自吸ポンプ
には、口径が２００ｍｍで、揚水量が毎分４〜５トンの
ものを用い、７気圧で消火栓１栓当り毎分３００〜４０
０リットルの水を５０〜６０ｍの放水距離に放水できる
ようにするのが好ましい。The first and second electric motor driven self-priming pumps having a diameter of 200 mm and a pumping rate of 4 to 5 tons per minute are used. At 7 atm, 300 to 40 per minute per hydrant plug.
It is preferable that 0 liter of water can be discharged at a water discharge distance of 50 to 60 m.
【００１０】また、第２電動機駆動型自吸ポンプの吸込
口と吐出口には、常開の開閉弁を設け、間引き運転が可
能にするのが好ましい。Further, it is preferable that a normally open on-off valve is provided at the suction port and the discharge port of the second electric motor driven self-priming pump to enable thinning operation.
【００１１】[0011]
【作用】上記のように構成された高層建築物の給水装置
においては、例えば隔室が２階分の高さの場合、例えば
５階で水を使用して水圧が４気圧以下になると、該隔室
の第２電動機駆動型自吸ポンプが起動して３、４階の隔
室の水を吸上げ、水圧が７気圧以上になると停止する。
これにより、３、４階の隔室の水圧が４気圧以下になる
と、該隔室の第２電動機駆動型自吸ポンプが起動して
１、２階の隔室の水を吸上げ、水圧が７気圧以上になる
と停止する。これにより、１、２階の隔室の水圧が４気
圧以下になると、第１電動機駆動型自吸ポンプが起動
し、水道水を補給し、水圧が７気圧以上になると停止す
る。このように、各隔室には、常時、７気圧の水が準備
され使用に供される。In the water supply system for a high-rise building constructed as described above, for example, when the compartment has a height of two floors, for example, when water is used on the fifth floor and the water pressure becomes 4 atm or less, The second electric motor driven self-priming pump in the compartment starts to suck up water in the compartments on the 3rd and 4th floors, and stops when the water pressure becomes 7 atm or more.
As a result, when the water pressure in the compartments on the 3rd and 4th floors becomes 4 atm or less, the second motor-driven self-priming pump in the compartments starts to suck up the water in the compartments on the 1st and 2nd floors, and the water pressure becomes It stops when the pressure exceeds 7 atmospheres. As a result, when the water pressure in the compartments on the first and second floors becomes 4 atm or less, the first electric motor drive type self-priming pump is activated to replenish the tap water and stop when the water pressure becomes 7 atm or more. In this way, water of 7 atm is always prepared and used in each compartment.
【００１２】[0012]
【実施例】以下図面を参照して本発明の実施例を説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【００１３】図１において、高層建築物である例えば階
高が３．５〜４．０ｍの地下１階〜地下３階Ｇ１〜Ｇ３
及び１階〜８階Ｆ１〜Ｆ８の高層ビルには、地下３階Ｇ
３から８階Ｆ８に至る筒状の給水タンクＴが立設されて
いる。その給水タンクＴの１、２階Ｆ１、Ｆ２及び地下
１階〜地下３階Ｇ１〜Ｇ３は、上部が開閉自在で常閉の
開閉部Ｓ１で閉じられ、底部が底板Ｂで閉じられた隔室
Ｔ１が画成されている。また、その隔室Ｔ１の１階Ｆ１
及び地下１階、地下２階Ｇ１、Ｇ２部分には、開閉自在
で常開の開閉部ｓが設けられている。In FIG. 1, which is a high-rise building, for example, floors 1 to 3 and floors G1 to G3 having a floor height of 3.5 to 4.0 m.
Also, in the high-rise buildings on the 1st to 8th floors F1 to F8, the 3rd basement floor G
A cylindrical water supply tank T extending from the third floor to the eighth floor F8 is erected. The first and second floors F1 and F2 of the water supply tank T and the first to third basement floors G1 to G3 are compartments in which an upper part is openable and a closed part is a normally closed opening part S1 and a bottom part is a bottom plate B. T1 is defined. Also, the first floor F1 of the compartment T1
Further, a normally open / closed opening / closing section s is provided on the first basement floor and the second basement floors G1 and G2.
【００１４】また、給水タンクＴの３階Ｆ３、４階Ｆ４
と５階Ｆ５、６階Ｆ６と７階Ｆ７、８階Ｆ８の部分は、
前記開閉部Ｓ１と同様な開閉部Ｓ２、Ｓ３により隔室Ｔ
２、Ｔ３、Ｔ４が画成されている。そして、各室Ｔ１〜
Ｔ４の各階部分には、例えば２気圧の減圧弁１を介して
複数の水栓３を備えた水栓管２が接続され、例えば４気
圧の減圧弁４を介して複数のスプリンクラー６を備えた
スプリンクラー管５が接続され、また、直接に消火栓７
が接続されている。The third floor F3 and the fourth floor F4 of the water supply tank T
And the fifth floor F5, the sixth floor F6 and the seventh floor F7, the eighth floor F8,
A compartment T is formed by opening / closing sections S2 and S3 similar to the opening / closing section S1.
2, T3, T4 are defined. And each room T1
To each floor of T4, for example, a faucet pipe 2 having a plurality of faucets 3 is connected via a pressure reducing valve 1 of 2 atm, and for example, a plurality of sprinklers 6 are provided via a pressure reducing valve 4 of 4 atm. The sprinkler pipe 5 is connected, and the fire hydrant 7 is directly connected.
Are connected.
【００１５】他方、１階Ｆ１には、揚程８ｋｇ／ｃｍ2
程度の普通の第１電動機駆動型自吸ポンプ（以下第１ポ
ンプという）Ｐ１が設けられ、３階Ｆ３、５階Ｆ５、７
階Ｆ７には、それぞれ揚程１０ｍ程度の普通の第２電動
機駆動型自吸ポンプ（以下第２ポンプという）Ｐ２ａ、
Ｐ２ｂ、Ｐ２ｃ（以下総称する場合は符号Ｐ２を用い
る）がそれぞれ設けられており、これら第１、第２ポン
プＰ１、Ｐ２には、図示しないスタートスイッチが設け
られている。On the other hand, on the first floor F1, the lift of 8 kg / cm 2
A common first self-priming pump driven by an electric motor (hereinafter referred to as the first pump) P1 is provided and the third floor F3, the fifth floor F5, 7
On the floor F7, an ordinary second motor-driven self-priming pump (hereinafter referred to as the second pump) P2a having a lift of about 10 m,
P2b and P2c (hereinafter referred to as "P2" when collectively referred to) are provided, respectively. Each of these first and second pumps P1 and P2 is provided with a start switch (not shown).
【００１６】その第１ポンプＰ１は、吸込側に水道管１
０が接続されたポンプ１１と、このポンプ１１の吐出側
に接続された圧力タンク１２と、その圧力タンク１２と
隔室Ｔ１の下部とを接続する吐出管１３とからなってい
る。前記圧力タンク１２には、所定下限水圧（例えば４
気圧）でＯＮし、所定上限水圧（例えば７気圧）でＯＦ
Ｆする圧力スイッチ１４が設けらている。このスイッチ
１４は、コード１５によりポンプ１１の図示しない電動
機に接続され、また、コード１６により電源１７に接続
されている。The first pump P1 has a water pipe 1 on the suction side.
It is composed of a pump 11 to which 0 is connected, a pressure tank 12 connected to the discharge side of the pump 11, and a discharge pipe 13 connecting the pressure tank 12 and the lower part of the compartment T1. The pressure tank 12 has a predetermined lower limit water pressure (for example, 4
ON at atmospheric pressure) and OF at a predetermined upper limit water pressure (for example, 7 atmospheric pressure)
A pressure switch 14 for F is provided. The switch 14 is connected to an electric motor (not shown) of the pump 11 by a cord 15 and connected to a power source 17 by a cord 16.
【００１７】また、第２ポンプＰ２ａは、隔室Ｔに接続
された吸込管１８が設けられ、この吸込管１８と吐出管
１３とには、開閉自在で常開の開閉弁１９がそれぞれ設
けられている以外は、実質的に第１ポンプＰ１と同様に
構成され、第２ポンプＰ２ｂ、Ｐ２ｃは、第２ポンプＰ
２ａと同様に構成されている。The second pump P2a is provided with a suction pipe 18 connected to the compartment T, and the suction pipe 18 and the discharge pipe 13 are provided with openable / closable open / close valves 19 respectively. Except that the second pumps P2b and P2c have substantially the same configuration as the first pump P1.
It is configured similarly to 2a.
【００１８】次に作用について説明する。Next, the operation will be described.
【００１９】当初、各隔室Ｔ１〜Ｔ４に給水するに際
し、第１ポンプＰ１をスタートさせ、隔室Ｔ１が満水に
なったら、第２ポンプＰ２ａ〜Ｐ２ｃを時間差をおいて
順次作動する。そして、最上部の隔室Ｔ３が満水になり
上限水圧になると、圧力スイッチ１４が閉じて第２ポン
プＰ２ｃが停止し、以下、同様にして第２ポンプＰ２
ｂ、Ｐ２ａと第１ポンプＰ１が順次停止し、各隔室Ｔ１
〜Ｔ４には、上限水圧の水が満水となる。Initially, when water is supplied to the compartments T1 to T4, the first pump P1 is started, and when the compartment T1 becomes full, the second pumps P2a to P2c are sequentially operated with a time lag. When the uppermost compartment T3 is filled with water and reaches the upper limit water pressure, the pressure switch 14 is closed and the second pump P2c is stopped.
b, P2a and the first pump P1 are sequentially stopped, and each compartment T1
The water having the upper limit water pressure is filled up to T4.
【００２０】今、例えば８階において水が使用され、第
２ポンプＰ２ｃの圧力スイッチ１４の圧力が下限水圧に
なると、ポンプ１１が起動して隔室Ｔ３の水を隔室Ｔ４
に揚水し、圧力が上限水圧になると、停止する。これに
より隔室Ｔ３の水圧が上限水圧以下になり、上記と同様
に第２ポンプＰ２ｂが起動し、隔室Ｔ２の水を隔室Ｔ３
に揚水する。これにより隔室Ｔ２の水圧が下限水圧以下
になり、上記と同様に第２ポンプＰ２ａが起動し、隔室
Ｔ１の水を隔室Ｔ２に揚水する。これにより隔室Ｔ１の
水が上限以下になり、第１ポンプＰ１が起動し、水道水
を隔室Ｔ１に補充し、上限水圧になると停止する。これ
らの第１、第２ポンプＰ１、Ｐ２の作動により、各隔室
Ｔ１〜Ｔ４には上限水圧の力が常時貯えられる。Now, for example, when water is used on the 8th floor and the pressure of the pressure switch 14 of the second pump P2c reaches the lower limit water pressure, the pump 11 is activated to move the water in the compartment T3 to the compartment T4.
When the pressure reaches the upper limit water pressure, it stops. As a result, the water pressure in the compartment T3 becomes equal to or lower than the upper limit water pressure, the second pump P2b is activated in the same manner as above, and the water in the compartment T2 is removed from the compartment T3.
Pump to. As a result, the water pressure in the compartment T2 becomes equal to or lower than the lower limit water pressure, the second pump P2a is activated in the same manner as above, and the water in the compartment T1 is pumped to the compartment T2. As a result, the water in the compartment T1 becomes lower than the upper limit, the first pump P1 is activated, and tap water is replenished in the compartment T1 and stopped when the water pressure reaches the upper limit. By the operation of the first and second pumps P1 and P2, the upper limit hydraulic force is constantly stored in each of the compartments T1 to T4.
【００２１】また、例えば第２ポンプＰ２ｂが故障した
際は、該ポンプＰ２ｂの開閉弁１９、１９を閉じると共
に、開閉部Ｓ２を開いて修理を行う。Further, for example, when the second pump P2b fails, the opening / closing valves 19, 19 of the pump P2b are closed and the opening / closing portion S2 is opened for repair.
【００２２】[0022]
【発明の効果】本発明は、以上説明したように構成され
ているので、以下に記載されるような効果を奏する。Since the present invention is constructed as described above, it has the following effects.
【００２３】（１） 従来の地下タンク、高架タンクを
省くことができる。(1) Conventional underground tanks and elevated tanks can be omitted.
【００２４】（２） 揚程が８ｋｇ／ｃｍ2 程度の普通
容量のポンプを使用することができる。(2) It is possible to use a normal capacity pump having a lift of about 8 kg / cm 2 .
【００２５】（３） 高層ビルの各階に大量の水を均一
に補給することができ、したがって、上層階でも消火栓
を使用することができる。(3) A large amount of water can be uniformly supplied to each floor of a high-rise building, so that a fire hydrant can be used on the upper floors.
【００２６】（４） 各ポンプの修理、清掃を自由に行
うことができ、また、ポンプの間引き運転を行うことが
できる。(4) The pumps can be freely repaired and cleaned, and the pumps can be decimated.
【図１】本発明の一実施例を示す高層ビルの縦断面図。FIG. 1 is a vertical sectional view of a high-rise building showing an embodiment of the present invention.
Ｂ・・・底板 Ｐ１・・・第１電動機駆動型自吸ポンプ Ｐ２ａ〜Ｐ２ｃ・・・第２電動機駆動型自吸ポンプ Ｓ１〜Ｓ３、ｓ・・・開閉部 Ｔ・・・給水タンク Ｔ１〜Ｔ４・・・隔室 １、４・・・減圧弁 ２・・・水栓管 ３・・・水栓 ５・・・スプリンクラー管 ６・・・スプリンクラー ７・・・消火栓 １０・・・水道管 １１・・・ポンプ １２・・・圧力タンク １３・・・吐出管 １４・・・圧力スイッチ １５、１６・・・コード １７・・・電源 １８・・・吸込管 １９・・・開閉弁 B ... Bottom plate P1 ... 1st electric motor drive type self-priming pump P2a-P2c ... 2nd electric motor drive type self-priming pump S1-S3, s ... Opening / closing part T ... Water tank T1-T4 ... compartments 1 and 4 ... pressure reducing valve 2 ... water faucet pipe 3 ... water faucet 5 ... sprinkler pipe 6 ... sprinkler 7 ... fire hydrant 10 ... water pipe 11. ..Pump 12 ... Pressure tank 13 ... Discharge pipe 14 ... Pressure switch 15, 16 ... Cord 17 ... Power supply 18 ... Suction pipe 19 ... Open / close valve
Claims (1)
の給水タンクを立設し、該給水タンクの１階から最上階
の部分に後記第１、第２電動機駆動型自吸ポンプの揚程
内を開閉自在な開閉部で仕切った１階を含む第１隔室及
び該第１隔室上方の複数の第２隔室を画成し、該第１、
第２隔室にそれぞれ減圧弁を介して給水管を接続し、前
記第１隔室に水道管が直結された第１電動機駆動型自吸
ポンプの吐出口を接続し、前記第１隔室に吸込口が接続
された電動機駆動型自吸ポンプの吐出口を前記第２隔室
に接続し、以下同様に吸込口が下方隔室に接続された吐
出口が上方隔室に接続された第２電動機駆動型自吸ポン
プを設け、該第１、第２電動機駆動型自吸ポンプに下限
水圧以下で電動機を起動させ上限水圧以上で停止させる
圧力スイッチを設けたことを特徴とする高層建築物の給
水装置。1. A high-rise building is provided with a cylindrical water supply tank extending from the basement to the uppermost floor, and the first to second electric motor driven self-priming pumps described below are provided on the first to the uppermost floors of the water supply tank. A first compartment that includes the first floor and a plurality of second compartments above the first compartment that are partitioned by an opening / closing unit that can open and close the inside of the lift are defined.
A water supply pipe is connected to each of the second compartments via a pressure reducing valve, and a discharge port of a first electric motor driven self-priming pump having a water pipe directly connected to the first compartment is connected to the first compartment. The discharge port of the electric motor drive type self-priming pump to which the suction port is connected is connected to the second compartment, and similarly, the suction port is connected to the lower compartment and the discharge port is connected to the upper compartment. An electric motor driven self-priming pump is provided, and a pressure switch for starting the electric motor below the lower limit water pressure and stopping it above the upper limit water pressure is provided in the first and second electric motor driven self-priming pumps. Water supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28830692A JPH06136794A (en) | 1992-10-27 | 1992-10-27 | Water supply system for multistory building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28830692A JPH06136794A (en) | 1992-10-27 | 1992-10-27 | Water supply system for multistory building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06136794A true JPH06136794A (en) | 1994-05-17 |
Family
ID=17728467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28830692A Pending JPH06136794A (en) | 1992-10-27 | 1992-10-27 | Water supply system for multistory building |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06136794A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1126089A3 (en) * | 2000-02-10 | 2002-01-09 | Toshiba Tec Kabushiki Kaisha | High level water supplying and distributing system |
| JP2008223269A (en) * | 2007-03-09 | 2008-09-25 | Teral Inc | Boost water supply system for medium and high-rise buildings |
-
1992
- 1992-10-27 JP JP28830692A patent/JPH06136794A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1126089A3 (en) * | 2000-02-10 | 2002-01-09 | Toshiba Tec Kabushiki Kaisha | High level water supplying and distributing system |
| US6386224B2 (en) | 2000-02-10 | 2002-05-14 | Toshiba Tec Kabushiki Kaisha | High level water supplying and distributing system |
| JP2008223269A (en) * | 2007-03-09 | 2008-09-25 | Teral Inc | Boost water supply system for medium and high-rise buildings |
| JP4691519B2 (en) * | 2007-03-09 | 2011-06-01 | テラル株式会社 | Increased pressure water supply system for medium to high-rise buildings |
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