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2. 发明申请

US20090078577A1 Plating Solution Recovery Apparatus and Plating Solution Recovery Method 审中-公开
标题翻译：电镀液回收装置及电镀液回收方法
公开(公告)号：US20090078577A1
公开(公告)日：2009-03-26
申请号：US12226889
申请日：2007-08-17
申请人： Kentaro Suzuki , Kei Yuki , Fumio Aoki
发明人： Kentaro Suzuki , Kei Yuki , Fumio Aoki
IPC分类号： C25D21/22 , C25B15/08
CPC分类号： C25D17/00 , C25D3/20 , C25D7/0614 , C25D21/18 , C25D21/22
摘要： A plating solution recovery apparatus for electroplating, the apparatus comprises a circulation tank; a sludge removing device; a concentrating device; an iron compound crystallizing device; an iron compound separating device; an iron compound redissolving device; an iron ion removing device; pipelines sequentially connecting the circulation tank, the sludge removing device, the concentrating device, the iron compound crystallizing device, the iron compound separating device, the iron compound redissolving device, and then the iron ion removing device in a downstream direction from a base point coincident with the circulation tank; a pipeline connecting from the iron ion removing device to the circulation tank; a pipeline connecting from the iron compound separating device to the circulation tank; and a flow path changing device connecting to the circulation tank and provided in at least one portion selected from a group of portions, respectively, between the sludge removing device and the concentrating device, between the concentrating device and iron compound crystallizing device, and between the iron compound crystallizing device and the iron compound separating device. With the apparatus being used, the plating solution can be recovered in the manner that sludge and iron are removed from the plating solution used for electroplating of a steel strip. Further, with the apparatus being used, even when stopping the operation of a device(s) related to iron removal, a continuous electroplating operation can be maintained without reducing the operation rate of the sludge removing device.
摘要翻译：一种用于电镀的电镀液回收装置，该装置包括循环罐; 污泥去除装置; 集中装置; 铁化合物结晶装置; 铁化合物分离装置; 铁化合物再溶解装置; 铁离子去除装置; 管道依次连接循环罐，污泥去除装置，浓缩装置，铁化合物结晶装置，铁化合物分离装置，铁化合物再溶解装置，然后从基点重合的下游方向的铁离子去除装置与循环罐; 从铁离子去除装置连接到循环罐的管道; 从铁化合物分离装置连接到循环罐的管道; 以及流路切换装置，其连接到所述循环罐，并且设置在所述浓缩装置与所述铁化合物结晶装置之间的所述污泥除去装置和所述浓缩装置之间的至少一部分中，所述至少一部分选自所述浓缩装置和所述浓缩装置之间，铁化合物结晶装置和铁化合物分离装置。在使用该设备的情况下，可以以从用于电镀钢板的电镀液中除去污泥和铁的方式来回收电镀液。此外，使用该装置，即使停止与除铁有关的装置的操作，也可以维持连续的电镀操作，而不会降低污泥去除装置的操作速度。

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