Pickling process of stainless steel storage tank

The main process of pickling and passivation of stainless steel storage tanks has two steps: pre-treatment pickling passivation and post-rinsing treatment. Among them, the main content of pre-treatment is to purify the surface of pickling and passivation parts, and to remove all kinds of grease, welding spatter, welding scar, oxide skin, etc. on the surface. Pickling and passivation can be processed separately, or they can be combined into one and processed at the same time. When the pickling and passivation are treated separately, the whole workpiece is immersed in the pickling passivation solution, which is suitable for small parts or pipelines and linear equipment with internal liquid circulation. When the pickling and passivation are combined into one treatment, the liquid immersion method can be used, or the paste can be used for smearing. Because the paste is easy to apply, it can keep for a long time without loss and wettability in different positions, thus ensuring the The necessary time for pickling and passivation is mainly used in on-site pickling and passivation treatment of large equipment. The stainless steel storage tank has a large volume, and it is impossible to realize the pickling passivation in the overall soaking method, and it is impossible to realize the recycling of the pickling passivation solution in the tank. For this reason, pickling passivation can only be carried out by applying pickling passivation paste. The two processes of pickling and passivation are combined into one for processing, which saves the process and facilitates construction, and the paste can maintain a wet state for a long time, which is beneficial to ensure the effective time of pickling and passivation and ensure that a dense oxide film can be formed. . Founded in 1990, Guangzhou Jinzong Machinery Equipment Co., Ltd. is a technology-based enterprise integrating scientific research, production, sales and technical services. The company is mainly engaged in automatic capping machines, paste mixing pots, emulsifiers, mixing pots, Stainless steel storage tank, emulsifier for small experiments, reverse osmosis water treatment and liquid paste labeling machine, filling machine, capping machine, conveyor, paging machine, heat shrink packaging machine, sealing machine, inkjet printer, laser marking machine Automation of coding machines, packaging machines, packaging production lines, etc...

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