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1.发明公开
公开(公告)号：EP2978880A1
公开(公告)日：2016-02-03
申请号：EP14727906.1
申请日：2014-03-27
申请人： Tenova S.p.A.
CPC分类号： C25D5/08 , C25D7/0621 , C25D17/12 , C25D21/10 , C25F7/00
摘要： An apparatus (10) for the surface electrolytic treatment in continuous of metal semi-finished products, in particular flat metal semi-finished products, comprising a containment tank (12) containing an electrolytic solution (SE) and inside which a metal semi-finished product (11) is made to advance in continuous along an advancement plane, immersion means (31, 32, 33) for immersing the semi-finished product (11) in the electrolytic solution, at least one pair of electrodes (14) opposite to each other and between which the metal semi-finished product (11) is made to advance in continuous, wherein the pair of electrodes (14) comprises at least one first electrode (15) facing one of the two opposite plane faces of the advancement plane and at a defined distance from the metal semi¬ finished product (11) so as to define with it a first interspace (16) and at least one second electrode (17) facing the other one of the two opposite plane faces of the advancement plane and at a defined distance from the metal semi-finished product (11) so as to define with it a second interspace (18) and wherein the at least one pair of electrodes (14) is immersed in the electrolytic solution and is associable with an electric power supply group, inletting and agitation means (19) for inletting and agitating the electrolytic solution in the tank (12) which comprise at least one duct (20) arranged at at least one pair of electrodes (14) and provided with a delivery end (20a) facing one of the two opposite plane faces at respectively the first interspace (16) or the second interspace (18) and with a suction end (20b) that is opposite the delivery end (20a) and open and immersed in the electrolytic solution contained in the tank (12) and at least one inletting nozzle (21) for inletting electrolytic solution which is associable with feeding means (22) for feeding the solution and the outlet mouth (21a) of which is arranged at said suction end (20b) of the duct (20), wherein the suction end (20b) of the at least one duct (20) has a portion that is free from the at least one nozzle (21) and which is immersed in the electrolytic solution contained in the tank (12) and wherein the jet of electrolytic solution emitted by the nozzle (21) draws from the inside of the tank (12) an electrolytic solution current that enters into the duct (20) through the free portion of the suction end (20b), the jet and the current mixed together exiting from the delivery end (20a) at the first interspace (16) or the second interspace (18).
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公开(公告)号：EP2978880B1
公开(公告)日：2018-09-12
申请号：EP14727906.1
申请日：2014-03-27
申请人： Tenova S.p.A.
CPC分类号： C25D5/08 , C25D7/0621 , C25D17/12 , C25D21/10 , C25F7/00
摘要： An apparatus (10) for the surface electrolytic treatment in continuous of metal semi-finished products, in particular flat metal semi-finished products, comprising a containment tank (12) containing an electrolytic solution (SE) and inside which a metal semi-finished product (11) is made to advance in continuous along an advancement plane, immersion means (31, 32, 33) for immersing the semi-finished product (11) in the electrolytic solution, at least one pair of electrodes (14) opposite to each other and between which the metal semi-finished product (11) is made to advance in continuous, wherein the pair of electrodes (14) comprises at least one first electrode (15) facing one of the two opposite plane faces of the advancement plane and at a defined distance from the metal semi¬ finished product (11) so as to define with it a first interspace (16) and at least one second electrode (17) facing the other one of the two opposite plane faces of the advancement plane and at a defined distance from the metal semi-finished product (11) so as to define with it a second interspace (18) and wherein the at least one pair of electrodes (14) is immersed in the electrolytic solution and is associable with an electric power supply group, inletting and agitation means (19) for inletting and agitating the electrolytic solution in the tank (12) which comprise at least one duct (20) arranged at at least one pair of electrodes (14) and provided with a delivery end (20a) facing one of the two opposite plane faces at respectively the first interspace (16) or the second interspace (18) and with a suction end (20b) that is opposite the delivery end (20a) and open and immersed in the electrolytic solution contained in the tank (12) and at least one inletting nozzle (21) for inletting electrolytic solution which is associable with feeding means (22) for feeding the solution and the outlet mouth (21a) of which is arranged at said suction end (20b) of the duct (20), wherein the suction end (20b) of the at least one duct (20) has a portion that is free from the at least one nozzle (21) and which is immersed in the electrolytic solution contained in the tank (12) and wherein the jet of electrolytic solution emitted by the nozzle (21) draws from the inside of the tank (12) an electrolytic solution current that enters into the duct (20) through the free portion of the suction end (20b), the jet and the current mixed together exiting from the delivery end (20a) at the first interspace (16) or the second interspace (18).
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