一种用于模拟深地质处置环境金属动态腐蚀的装置及方法

• Format: Patent
• Language: Chinese
• Published: 15.12.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

本发明公开了一种用于模拟深地质处置环境金属动态腐蚀的装置及方法，装置包括储水箱、缓冲箱、出水管、水泵、回水管、测试机构及电化学工作站；测试机构包括工作电极、对电极及参比电极，工作电极、对电极及参比电极均与出水管内的流体接触，所述工作电极由待测试的金属或铀块制作而成。本发明的有益效果是：在水溶液循环过程中，通过电化学工作站、工作电极、对电极及参比电极进行动电位极化曲线、交流阻抗谱电化学测试，以便于分析金属的腐蚀机理；之后，将储水箱内的水溶液更换为含有核素离子的水溶液，以便于分析金属样品的腐蚀对核素的作用机理。从而通过本装置可模拟在动态水环境中的金属腐蚀机理，及其对高放废物的作用。 The invention discloses a device and a method for simulating metal dynamic corrosion in a deep geological disposal environment. The device comprises a water storage tank, a buffer tank, a water outlet pipe, a water pump, a water return pipe, a testing mechanism and an electrochemical workstation, the testing mechanism comprises a working electrode, a counter electrode and a reference electrode, the working electrode, the counter electrode and the reference electrode are in contact with fluid in the water outlet pipe, and the working electrode is made of metal or uranium blocks to be tested. The electrochemical testing device has the beneficial effects that in the water solution circulation process, electrokinetic potentia