One of the most troublesome problems of industrial centrifuges is the long-term use of centrifuges in chemical raw materials and the problems of centrifuge corrosion. Now we recommend four measures to prevent or reduce the corrosion of centrifuges.

First, the choice of the material of the centrifuge is very important because of different materials and separation requirements, you need to choose a different model. After the model and main parameters are determined, according to the corrosion resistance of different materials in different environments, comprehensive physical and chemical factors, cost performance and other factors are combined to determine the strength component materials from the basic surface. From the material itself, the target material it targets is safe.

Second, the mechanism design of the centrifuge, an excellent design can extend the service life of the equipment and ensure the safety of the equipment. For structural design, the design defects most likely to accelerate corrosion are stress concentration tendency and gap environment, sometimes in the metal soaking solution. The corrosion rate is small; however, the formation of the gap will cause severe crevice corrosion due to changes in the chemical and electrochemical states of the internal solution.

Third, the surface protection measures of the centrifuge

One of the basic ideas for controlling corrosion is to isolate the corrosive environment. In the design of centrifuges, surface treatment methods such as flange, galvanizing, chrome plating, and electroless plating are often used. These methods are effective in many environments, but for rotating parts, an important phenomenon must be noted: matrix The material and the coating are two materials, and their linear expansion coefficients are different, which will produce different deformation amounts when the rotating member is elastically deformed, thereby causing a large number of microcracks; if the above phenomenon exists, the corrosion formation will be accelerated. Therefore, the method of surface protection for rotating parts should be used with caution.

Fourth, the use of corrosion inhibitor centrifuge itself involves multidisciplinary, the use of centrifuges, in addition to the above measures, should also pay attention to study its application environment. The application of corrosion inhibitors is also widely used in practical applications. For some harsh environments, the use of appropriate corrosion inhibitors can make the parts suitable. As long as the process permits, the use of corrosion inhibitors should be an effective way for centrifuge applications.

Through the above 4 points, the centrifuge can be well protected and more resistant to corrosion, making the centrifuge more durable and safer.

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Label: Four measures for anti-corrosion of centrifuge

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