Matters needing attention in industrial aluminum cleaning

by:Zeyi     2021-05-24
profile is an alloy material with aluminum as the main component. Aluminum rods are melted and extruded to obtain aluminum materials with different cross-sectional shapes. However, the proportion of the added alloy is different, and the mechanical properties of the industrial aluminum profile profiles produced are The application areas are also different. So, what should we pay attention to when cleaning industrial aluminum profile profiles? 1. The choice of degreasing agent Due to the poor effect of a single-component cleaning agent, the industrial aluminum profile production generally uses a multi-component, aluminum profile composite type cleaning agent. A composite cleaning agent suitably blended with strong alkalis, weak alkalis, polymeric inorganic salts, surfactants, etc., can effectively exert their respective cleaning characteristics, so that the cleaning efficiency can be significantly improved. 2. Foam and its control. In metal cleaning, the generation or cleaning of foam is very important for the pre-treatment process. The amount of foam is beneficial to some treatment processes, but the quality of the cleaning agent for aluminum profiles does not depend on the amount of foam. , And when spraying in, the cleaning agent is required to be low-foam, otherwise mass production will be difficult to proceed normally. 3. Pay attention to the quality of washing. In order to reduce the degree of pollution, first of all, it is necessary to minimize the contamination of the next process with the cleaning liquid on the workpiece. In addition, multi-stage washing should be considered, generally two-stage washing, and some processes also use pure water washing. The large contamination of the washing water in the latter stage does not exceed one-tenth of that of the workpiece cleaned in the previous stage, so that the concentration of the residual liquid in the second-stage washing workpiece is only one-hundredth of the original concentration. When adding clean water, use overflow supplement to save water. 4. Strengthen process management and strictly implement operating procedures. Check the running status every day and observe the process parameters at all times. It is forbidden for the workpiece to stay in the equipment for a long time to avoid corrosion. ————The article comes from the Internet. If there is any infringement, please contact to delete it.
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