Abstract
Metal corrosion of technological equipment not only has a significant impact on industry, but also has serious consequences for the environment, being one of the causes of environmental problems. The object of research in this paper is the issue of corrosion damage to the metal of technological equipment, types of corrosion and corrosion damage, and methods of protection against corrosion. On the example of a shell and tube heat exchanger with the help of nondestructive methods of control (external and internal inspection, ultrasonic thickness measurement) the research of corrosion rate of its main elements has been carried out. According to the results of researches the calculation of corrosion rate of the main elements of the heat exchanger was carried out. The corrosion rate for the heat exchanger shell was found to be 0.37 mm/year, which exceeds the value of 0.1 mm/year, which is accepted in the design of this heat exchanger. The obtained results allowed to identify the most vulnerable places of the research object and to choose the most effective ways to protect the base metal of the heat exchanger from corrosion.
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