In Select Centrifuge When strengthening part materials, material characteristics, separation requirements, corrosion resistance and other factors need to be considered. The following are some material selection principles and design considerations:
1. Select appropriate materials for different environments: there is no absolutely universal anti-corrosion material, and appropriate materials should be selected according to the application environment. For example, stainless steel is not suitable in concentrated sulfuric acid environment, while carbon steel is suitable.
2. Pay attention to the nature of stainless steel: stainless steel is not really stainless, and it can only show the nature of non rusting under the suitable environment.
3. Select materials with similar potential: try to select the same material or materials with similar balance potential in the same environment to avoid adverse galvanic effects on the environment.
4. Comprehensively consider the cost performance ratio: when selecting materials, it is necessary to comprehensively consider the cost performance ratio and pay attention to the influence of processing technology.
In terms of structural design, an excellent design can extend the service life of equipment and ensure the safety of equipment. The following are some design considerations:
1. Avoid cracks: try to avoid cracks in the design, because cracks will accelerate corrosion.
2. Consistent material selection: try to use the same material in the same environment to reduce the corrosion difference between different materials.
3. Uniform structure or increased compressive stress: ensure the uniformity of the structure of the parts or increase the compressive stress to help resist corrosion.
4. Avoid forming dead corners: During design, attention shall be paid to avoid forming dead corners to ensure smooth flow of fluid.
5. Surface protection measures: In terms of surface treatment, common methods such as zinc plating, chromium plating, chemical plating, etc., but rotating parts should be carefully used, because different linear expansion coefficients of different materials may lead to microcracks that increase the risk of corrosion.
In addition to material selection and structural design, surface protection measures and the application of corrosion inhibitors are also important methods to control centrifuge corrosion. The correct process method is also an effective way to prevent corrosion, because the selection and implementation of processing technology has a certain impact on the anti-corrosion capacity of the centrifuge. Therefore, the key steps to prevent centrifuge corrosion are to correctly select materials, reasonably design structures, take surface protection and corrosion inhibitor measures, and use correct process methods.
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