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1. 发明专利

JP2005146603A Sand pumping apparatus for hydraulic power plant 有权
标题翻译：液压动力装置用砂泵装置
公开(公告)号：JP2005146603A
公开(公告)日：2005-06-09
申请号：JP2003384000
申请日：2003-11-13
申请人：治 ▲檜▼谷 , Chugoku Electric Power Co Inc:The , Osamu Hitani , 中国電力株式会社
发明人： IMAOKA YASUNORI , KAWACHI YUICHI , ASAHI HIROSHI , HITANI OSAMU
IPC分类号： E02B9/04
CPC分类号： Y02E10/22
摘要： PROBLEM TO BE SOLVED: To provide a sand pumping apparatus for a hydraulic power plant avoiding blocking of an intake and a water conveyance port with silted deposition in a sand pumping facility combining an air mixing type jet pump with a vortex sand discharge pipe.
SOLUTION: In this sand pumping apparatus for a hydraulic power plant for eliminating the silted deposition deposited in an intake sand basin, a first and a fourth vortex sand discharge pipes 21, 24 are installed in a position of a distance d1 expressed in the following expression, along a water flow direction from a position when the silted deposition of maximum allowable height of the intake side wall of the intake sand basin is deposited: d1=(H1-h1)/tan(θ), wherein H1 is the maximum allowable height of the silted deposition from a bottom part of the intake sand basin on the intake side of the intake sand basin, h1 is the slit height of the vortex sand discharge pipes 21, 24 on the first and fourth intake side from the bottom part of the intake sand basin, and θ is an underwater angle of repose.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于液压动力装置的砂泵装置，避免了将砂浆沉积物中的进气口和输水口堵塞在一起，该抽沙设备将空气混合型喷射泵与涡流喷砂管。解决方案：在用于消除沉积在进气砂盆中的淤泥沉积物的用于液压动力设备的这种砂泵装置中，第一和第四涡流排出管21,24安装在距离d1 从沉积入口砂盆的进气侧壁的最大允许高度的淤泥沉积的位置沿着水流方向的以下表达式：d1 =（H1-h1）/ tan（θ），其中H1是进气砂流入口侧的进气砂槽底部的沉淀物的最大容许高度h1是从底部开始的第一和第四进气侧的涡流砂排出管21,24的切口高度进水砂盆的一部分，θ是水下的休止角。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2009091843A Sand discharging method and vortex sand discharging device 有权
标题翻译： SAND放电方法和VORTEX SAND放电装置
公开(公告)号：JP2009091843A
公开(公告)日：2009-04-30
申请号：JP2007264637
申请日：2007-10-10
申请人： Chugoku Electric Power Co Inc:The , 中国電力株式会社
发明人： KAWACHI YUICHI , HITANI OSAMU
IPC分类号： E02B7/20 , E02B8/02
摘要： PROBLEM TO BE SOLVED: To provide a sand discharging method for discharging sand and sediment or the like accumulated in a sand basin while operating a generator in a hydroelectric power plant, and a vortex sand discharging device.
SOLUTION: This vortex sand discharging device 1 for discharging the sand and sediment or the like accumulated in the sand basin for the hydroelectric power plant is provided with a box-shaped container 3 accumulating the sand and sediment 2 or the like therein, a loading device 9 for reciprocating and moving the container 3, and a vortex sand discharging pipe 5 for discharging the sand and sediment 2 or the like in a liquefied state. The container 3 is reciprocated and moved by the loading device 9 to apply a load F to the sand and sediment 2 or the like in the container 3 repeatedly, and liquefies the sand and sediment 2 or the like.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种在水力发电厂中操作发电机的同时，将积砂在砂盆内的砂和沉积物等排出的排砂方法，以及涡流排放装置。解决方案：用于排放积聚在水力发电厂的砂盆中的沙子和沉积物等的该涡流排放装置1设置有一个在其中积聚沙子和沉淀物2等的箱形容器3，用于使容器3往复移动的装载装置9，以及用于排出处于液化状态的沙子和沉淀物2等的涡流排放管5。容器3由装载装置9往复移动并移动，以将载荷F重复地向容器3中的沙子和沉淀物2等施加，并使沙子和沉淀物2等液化。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009091842A Vortex sand discharging device and sand discharging method using the vortex sand discharging device 有权
标题翻译： VORTEX SAND放电装置和使用VORTEX SAND放电装置的放电方法
公开(公告)号：JP2009091842A
公开(公告)日：2009-04-30
申请号：JP2007264636
申请日：2007-10-10
申请人： Chugoku Electric Power Co Inc:The , 中国電力株式会社
发明人： KAWACHI YUICHI , HITANI OSAMU
IPC分类号： E02B9/02 , E02B7/20 , E02B8/02
CPC分类号： Y02E10/22
摘要： PROBLEM TO BE SOLVED: To provide a vortex sand discharging pipe for discharging sand and sediment or the like accumulated around the vortex sand discharging pipe while operating a generator in a hydroelectric power plant, and a vortex sand discharging device, and a sand discharging method.
SOLUTION: The vortex sand discharging device 3 for discharging the sand and sediment 2 or the like accumulated in a sand basin 1 for the hydroelectric power plant is provided with the vortex sand discharging pipe 7 installed on the bottom of the sand basin 1 and having a plurality of slits 5 making the sand and sediment 2 or the like flow into the pipe, an opening and closing member 9 inserted slidably into the vortex sand discharging pipe 7 to open and close the slits 5 freely, and a controller 11 for making the opening and closing member 9 slide with respect to the vortex sand discharging pipe 7 to open and close the slits 5 freely.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在水力发电厂操作发电机的同时，在涡流排放管周围积聚的沙子和沉积物等排出的涡流砂排放管，以及涡流喷砂装置和砂放电方式。解决方案：用于排放积聚在水力发电厂的砂盆1中的砂和沉淀物2等的涡流排放装置3设置有安装在砂盆1底部的涡流排放管7 并且具有使沙子和沉淀物2等流入管道的多个狭缝5，可滑动地插入涡流排出管7中以便自由地打开和关闭狭缝5的打开和关闭部件9，以及用于使得打开和关闭构件9相对于涡流排出管7滑动以自由地打开和关闭狭缝5。版权所有（C）2009，JPO＆INPIT

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