Chemical Polishing of Plate Heat Exchanger
Through this period of understanding, I believe that everyone is no stranger to plate heat exchangers
, but for customers who want to know more about this product, these contents are not enough. Today, Xiaobian will share the knowledge about chemical polishing of plate heat exchangers with everyone, hoping to attract everyone's attention and let everyone have a deep understanding of plate heat exchangers. In this way, everyone can know what to buy when using the plate heat exchanger, and don't panic, I hope to inspire and help everyone. The chemical polishing of the plate heat exchanger is
to achieve the purpose of leveling and polishing through the redox reaction of the metal in the chemical medium. Its advantages are that the chemical polishing has nothing to do with the hardness of the metal, the polishing area and the shape of the structure. All parts in contact with the polishing liquid are polished without special complicated equipment and easy to operate. However, it is difficult to control the technical parameters of chemical polishing, and it is required to have a good polishing effect on the denture without affecting the accuracy of the denture. The better chemical polishing solution for titanium is HF and HNO3 prepared according to a certain ratio. HF is a reducing agent that can dissolve titanium metal and play a leveling role. The concentration is less than 10%. HNO3 plays an oxidation role to prevent excessive dissolution of titanium and hydrogen absorption At the same time, it can produce light effect. Titanium polishing solution requires high concentration, low temperature, and short polishing time (1 ~ 2min.).
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