Dew point corrosion monitoring method based on electrochemical noise
An electrochemical noise and dew point corrosion technology, which is applied in the fields of weather resistance/light resistance/corrosion resistance, measuring devices, scientific instruments, etc., can solve problems such as dew point corrosion in oil refineries, and achieve rich monitoring methods and good technical effects.
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[0012] The dew point corrosion electrochemical noise monitoring device of the present invention is composed of a three-electrode group probe, a high-resistance voltmeter, a zero-resistance ammeter, an A / D converter, a computer and corresponding software, which can be monitored online. The three-electrode group probe is composed of closely arranged electrodes of the same material, and the material is selected to be the same or similar to that of the equipment to be measured, so as to truly reflect the corrosion of the equipment. The material is made into small pieces of electrodes with a length of 20 mm and a width of 2 mm. Adjacent electrodes are lined with insulating sheets with a distance of about 0.2 mm. They are arranged in the order of W1W2RW1W2RW1W2 (W1 is the first working electrode, W2 is the second working electrode, R is the reference electrode), encapsulated with high temperature resistant epoxy resin. These electrodes are connected into three groups by wires, which...
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