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1. 发明专利

JPH11181869A VACUUM TYPE WASTE WATER COLLECTION FACILITY 失效
公开(公告)号：JPH11181869A
公开(公告)日：1999-07-06
申请号：JP34828697
申请日：1997-12-17
申请人： HITACHI METALS LTD
发明人： WATANABE TOSHIYUKI , HIRAO TENMEI
IPC分类号： E03F3/02
摘要： PROBLEM TO BE SOLVED: To detect ant abnormal state before the overflow of waste water by connecting an outlet pipe in the middle of a connection pipe jointing a controller to a vacuum piping, installing a movable member to an open end of outlet pipe and connecting a float member to a movable member. SOLUTION: When a vacuum valve 3 is operating normally, a connection pipe 5, a branch vacuum pipe 22 and an outlet pipe 13 are maintained to a vacuum state. And the water level in a catch basin 1 is at the NL position, a float 32 is at the NL position, and a movable piece contacts to the end face of outlet pipe ands closes it. And if the water level in a catch basin 1 rises to the position of HL, the float 32 also rises to the position of HL, the movable piece is separated from the end face of the outlet pipe 13 by the link mechanism containing first and second rods 19a, 19b, and atmospheric air flows to the vacuum valve and the vacuum is destroyed. Moreover, are is sucked by the warning horn attached to the end portion of the outlet pipe 13 and a warning sound is generated and the anomaly in the catch basin 1 is detected. Thus, the anomaly in the vacuum valve 3 can be detected before the waste water overflows from the catch basin 1.

2. 发明专利

JP2003010844A Scum removing apparatus 审中-公开
标题翻译： SCUM拆卸装置
公开(公告)号：JP2003010844A
公开(公告)日：2003-01-14
申请号：JP2001198036
申请日：2001-06-29
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： UNISHI TOSHIYUKI , WATANABE TOSHIYUKI , HIRAO TENMEI
IPC分类号： E03F5/14 , C02F1/40
摘要： PROBLEM TO BE SOLVED: To solve such a problem that the scum removing apparatus of a sedimentations basin in which a cam plate is pushed down by the roller attached to the scraper arm moving through the sedimentation basin to revolve a scum pipe, has a complicated structure and easily misoperated.
SOLUTION: The scum removing apparatus is provided with a cam roller 9 to a scraper arm 4 and providing a first cam plate 7 and a second cam plate 8 to a scum pipe 5 and, when the scraper arm 4 is moved to approach the scum pipe 5, the cam roller 9 contacts with the first cam plate 7 and, when the scraper arm 4 is further moved, the scum pipe 5 is revolved to a position where an inflow port 53 faces to scum from the original position through the first cam plate 7 and, when the scraper arm 4 is moved further, the cam roller 9 comes into contact with the second cam plate 8 and, when the scraper arm 4 is moved furthermore, the scum pipe 5 is revolved through the second cam plate 8 to return to the original position.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题为了解决这样一个问题，即通过安装在刮板上的滚轮将凸轮板向下推动的沉淀池的浮渣装置移动通过沉降池旋转浮渣管，具有复杂的结构并容易误操作。解决方案：浮渣除去装置在刮刀臂4上设置有凸轮9，并将第一凸轮板7和第二凸轮板8设置在浮渣管5上，并且当刮板4移动以接近浮渣管如图5所示，凸轮辊9与第一凸轮板7接触，并且当刮刀臂4进一步移动时，浮渣管5旋转到通过第一凸轮板从原始位置流入端口53面对浮渣的位置如图7所示，当刮刀臂4进一步移动时，凸轮辊9与第二凸轮板8接触，并且当刮板4进一步移动时，浮渣管5通过第二凸轮板8旋转以返回到原来的位置。

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