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DRAINAGE SYSTEM FOR RESERVOIR
PROBLEM TO BE SOLVED: To provide at low cost an extremely easy-to-install drainage system for draining a large volume of water in a reservoir, a storage reservoir, and others into an irrigation channel by using minimum electricity, without discharging contaminants and radioactive sludge contained in highly radioactive subsoil that has accumulated at the bottom of the reservoir and others.SOLUTION: A drainage system for a reservoir, which drains supernatant water by utilizing siphon phenomenon and siphon action, has a water inlet, a turbidimeter, and an intake pump installed on a floating body that follows the water surface level of a reservoir, as well as a continuous duct connecting the water inlet with an exhaust port of the irrigation channel, and on the duct, there is installed an air valve for discharging only the air to outside at a location by an embankment of the reservoir, along with an electric valve near the exhaust port, for the reservoir of which the bottom is located higher than the bottom of the irrigation channel.
【課題】溜め池や貯水池等の底部に堆積した高濃度の底土である汚物や放射性汚泥を排出することがなく、かつ、溜め池等の大量の水を最小の電力で用水路に排水する排水装置を極めて簡易に設置でき安価で提供する。【解決手段】用水路の底の位置よりも底の位置が高い溜め池において、溜め池の表面水位に追従する浮体に取水口と濁度計と取水ポンプとを設けるとともに、該取水口から用水路の排水口までを連続する配管を設け、該配管の溜め池の堤に位置する部分には空気のみを外部に放出する空気弁を設け、前記排水口の近傍には電動弁を設け、サイホン現象・作用により溜め池の上澄水を排水する溜め池の排水装置。【選択図】図2
DRAINAGE SYSTEM FOR RESERVOIR
PROBLEM TO BE SOLVED: To provide at low cost an extremely easy-to-install drainage system for draining a large volume of water in a reservoir, a storage reservoir, and others into an irrigation channel by using minimum electricity, without discharging contaminants and radioactive sludge contained in highly radioactive subsoil that has accumulated at the bottom of the reservoir and others.SOLUTION: A drainage system for a reservoir, which drains supernatant water by utilizing siphon phenomenon and siphon action, has a water inlet, a turbidimeter, and an intake pump installed on a floating body that follows the water surface level of a reservoir, as well as a continuous duct connecting the water inlet with an exhaust port of the irrigation channel, and on the duct, there is installed an air valve for discharging only the air to outside at a location by an embankment of the reservoir, along with an electric valve near the exhaust port, for the reservoir of which the bottom is located higher than the bottom of the irrigation channel.
【課題】溜め池や貯水池等の底部に堆積した高濃度の底土である汚物や放射性汚泥を排出することがなく、かつ、溜め池等の大量の水を最小の電力で用水路に排水する排水装置を極めて簡易に設置でき安価で提供する。【解決手段】用水路の底の位置よりも底の位置が高い溜め池において、溜め池の表面水位に追従する浮体に取水口と濁度計と取水ポンプとを設けるとともに、該取水口から用水路の排水口までを連続する配管を設け、該配管の溜め池の堤に位置する部分には空気のみを外部に放出する空気弁を設け、前記排水口の近傍には電動弁を設け、サイホン現象・作用により溜め池の上澄水を排水する溜め池の排水装置。【選択図】図2
DRAINAGE SYSTEM FOR RESERVOIR
溜め池の排水装置
MORI SHOICHI (Autor:in) / HATANAKA YUTAKA (Autor:in) / KONISHI KAZUTAKA (Autor:in)
04.06.2015
Patent
Elektronische Ressource
Japanisch
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau