BOOSTER WATER SUPPLY SYSTEM FOR MID-TO-HIGH-RISE BUILDING AND BOOSTER PUMP SYSTEM

To provide a booster water supply system for a mid-to-high-rise building capable of suppressing occurence of failure of a booster pump unit even when a pressure tank is broken.SOLUTION: A booster water supply system for a mid-to-high-rise building comprises a first booster pump unit 1, a second boos...

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Bibliographische Detailangaben
Hauptverfasser:	OZAWA TERUHIKO, TSUJIMURA MANABU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	FIXED CONSTRUCTIONS INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER SEWERAGE WATER SUPPLY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	To provide a booster water supply system for a mid-to-high-rise building capable of suppressing occurence of failure of a booster pump unit even when a pressure tank is broken.SOLUTION: A booster water supply system for a mid-to-high-rise building comprises a first booster pump unit 1, a second booster pump unit 2 connected to a downstream side of the first booster pump unit, a pressure tank 20A installed in the downstream side of the first booster pump unit 1 and an upstream side of the second booster pump unit 2. The pressure tank is arranged in the downstream side of a branch connection 31a of a feedwater vertical pipe in a discharge pipe 31 of the first booster pump unit, and an air vent valve EV1 is arranged in the downstream side of the pressure tank and the upstream side of the second booster pump unit.SELECTED DRAWING: Figure 1 【課題】圧力タンクが破損した場合であっても、増圧ポンプユニットの故障の発生を抑止できる中高層建物用増圧給水システムを提供する。【解決手段】中高層建物用増圧給水システムは、第１増圧ポンプユニット１と、第１増圧ポンプユニットの下流側に接続された第２増圧ポンプユニット２と、第１増圧ポンプユニット１の下流側かつ第２増圧ポンプユニット２の上流側に設けられた圧力タンク２０Ａと、を備える。圧力タンクは、第１増圧ポンプユニットの吐出し配管３１における給水立管分岐部３１ａよりも下流側に配置されるとともに、圧力タンクの下流側かつ第２増圧ポンプユニットの上流側には、空気抜き弁ＥＶ１が配置されている。【選択図】図１