OVERFLOW PREVENTION DEVICE AND STORAGE TANK

OVERFLOW PREVENTION DEVICE AND STORAGE TANK

PROBLEM TO BE SOLVED: To inhibit liquid in a storage tank from overflowing from an opening port installed at a tank upper surface even when the liquid in the storage tank shakes severely in an earthquake.SOLUTION: A storage tank includes: at least one opening port 110 provided at the tank upper surf...

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Bibliographische Detailangaben
Hauptverfasser: YANAGISAWA NAOMICHI, YAMAZAKI KOUJI, NAKAMARU MIKIHIDE, TAKEDA TOMOYA, SHIMADA KIYOMI, TSUCHIHIRA HIROKI, YONEDA TOMIO
Format: Patent
Sprache:eng ; jpn
Schlagworte:
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR POWER PLANT
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
PHYSICS
STORING
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To inhibit liquid in a storage tank from overflowing from an opening port installed at a tank upper surface even when the liquid in the storage tank shakes severely in an earthquake.SOLUTION: A storage tank includes: at least one opening port 110 provided at the tank upper surface 101 of the storage tank 100; and an overflow prevention device 1 provided in a lower part of the tank upper surface so as to cover the opening port. The overflow prevention device is constituted of a bottom part isolation wall 2b and a side part isolation wall 2a and at least one through-hole 3 is provided at the bottom part isolation wall or side part isolation wall.SELECTED DRAWING: Figure 1 【課題】地震時に貯蔵用タンク内の液体が激しく揺動する場合であっても、貯蔵用タンク内の液体がタンク上面に設置された開放口から溢水するのを抑制する。【解決手段】貯蔵用タンク１００のタンク上面１０１に設けられた少なくとも１つの開放口１１０と、前記開放口を覆うように前記タンク上面の下部に設けられた溢水防止装置１と、を備え、前記溢水防止装置は、底部隔離壁２ｂと側部隔離壁２ａから構成されるとともに、前記底部隔離壁又は側部隔離壁に少なくとも１つの貫通孔３が設けられている。【選択図】図１