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    • 6. 发明申请
    • CATHODIC PROTECTION OF REINFORCED CONCRETE WITH IMPREGNATED CORROSION INHIBITOR
    • 加固腐蚀抑制剂加固混凝土的阴极保护
    • WO02033147A1
    • 2002-04-25
    • PCT/US2001/032349
    • 2001-10-17
    • C23F13/04E04C5/01C23F13/00
    • C23F13/04C23F2201/02E04C5/015
    • A steel-reinforced structure (1) supplied with an aqueous solution of an inhibitor (8) for the structure, is further protected against deterioration when an impressed cathodic current is applied; preferably the structure (1) is continuously bathed in the inhibitor solution (8); flow of the first impressed current is maintained until flow is relatively constant at a level at least one-half the level at which the first impressed current was initiated. The concentration of ions is sensed by measurement of the current flow while maintaining a chosen voltage. The inhibitor solultion (8) may be used in conjunction with an electroosmotic current to drive ions into the concrete and towards the steel; this may be done prior to applying the cathodic impressed current, or concurrently therewith by providing secondary electrodes (6, 7). Program controller means in the power station switches from one mode of delivery to another when current usage, measured by current density, is deemd to have become uneconomical.
    • 供给用于该结构的抑制剂(8)的水溶液的钢增强结构(1)进一步被保护以防止施加阴影电流时的劣化; 优选地,结构(1)连续地浸泡在抑制剂溶液(8)中; 第一外加电流的流动被维持,直到流动相对恒定为起始第一外加电流的水平的至少一半的水平。 通过测量电流来检测离子的浓度,同时保持所选择的电压。 抑制剂溶质(8)可以与电渗电流结合使用以将离子驱入混凝土并朝向钢; 这可以在施加阴极外加电流之前进行,或者通过提供辅助电极(6,7)同时进行。 当电流密度测量的当前使用被认为变得不经济时,电站中的程序控制器装置从一种传送模式切换到另一种模式。