In the industrial filtering process, we often install stainless steel filter element in the filter through various requirements for use, often also known as filter element, first we need to understand, although the product is a rust-proof function of stainless steel material, but it is difficult to ensure that it will never rust, in some circumstances, it will rust. Many people will have a wrong understanding on this, although most of the time we are using stainless steel filter products, however, in some acid and alkali environments, the protective layer of the product's outer layer is still damaged to different degrees. in which environments are the products more vulnerable to damage and which corrosion patterns are present, today we are here to learn about. The first kind of electrochemical corrosion. Dust containing other metal elements and foreign metal particles were deposited on the surface of the stainless steel filter. In the humid air, the condensation water between the particles and the stainless steel caused an electrochemical reaction, the protective film will be damaged. The second type of organic acid corrosion. If the stainless steel filter surface adhesion of organic matter juice (such as vegetables, noodle soup, sputum, etc.) , in the presence of water and oxygen form organic acid, a long time on the metal surface corrosion.
The third if the stainless steel filter surface adhesion contains such as decorated walls of alkaline water, lime water splash of acid, alkali, salt substances, will also cause local corrosion. If the polluted air contains a lot of sulphides, carbon oxides, nitrogen oxides in the atmosphere, after meeting cold condensate, the formation of sulfuric acid, nitric acid, acetic acid point, resulting in stainless steel filter corrosion. In order to ensure that the surface of stainless steel filter screen is permanently bright and not corroded, we must pay more attention when using the product in the above circumstances, and clean and scrub the surface of the product frequently, remove surface adhesion, eliminate the various external factors leading to corrosion. The above is the stainless steel filter products in the use of the environment often suffered from a variety of protective layer damage forms, I hope that through the above understanding we can be targeted to the surface treatment, more extended product life.