Stainless steel mesh belts are widely used in annealing furnace mesh belts and baking furnace mesh belts in the glass products industry.
Stainless steel mesh belt is made of stainless steel, but this does not mean that the stainless steel mesh belt will not rust and passivate. Therefore, it is necessary to pay attention to the use of stainless steel mesh belt during the use. Here we talk about the rust passivation of the stainless steel mesh belt: the factor that affects the stainless steel mesh belt rust and passivation is chloride ion, so be careful in the process of use or cleaning, do not let the chloride ion corrode the stainless steel mesh Belt, secondly, the smoother the surface of the stainless steel mesh belt, the more difficult it is to adhere to foreign matter, so the chance of corrosion will be small. On the contrary, the chance of rough corrosion will be much larger, so it must be processed during the processing of stainless steel mesh belt. Finish the surface while keeping the surface clean. If passivation occurs, it is necessary to clean it with some acidic substances, and the stainless steel is activated by a chemical reaction.
Stainless steel mesh belts are related to the surrounding environment during use. If some substances adhere to the surface for a long time, the corrosion resistance will of course be inhibited. Therefore, in addition to frequent cleaning, care should be taken to avoid long-term urethane surface attachment. Because of the chemical reaction of chloride ions, it can damage the long-term loading of the passivation film, which will lead to corrosion of the capacity and equipment. Therefore, attention should be paid to the recovery of the passivation film.
The crevice corrosion of stainless steel mesh belt is mainly caused by the electrochemical non-uniformity of the medium due to the existence of the gap. Therefore, for the protection of crevice corrosion, suitable materials are selected. For important parts of the mesh belt, materials with strong crevice corrosion resistance can be used. For example, stainless steel with high chromium and high molybdenum, etc., reasonable design of the mesh belt to avoid gaps. Here is an example: welding is better than riveting; butt welding is better than lap welding; welding must ensure quality, avoid welding holes; screw joint structure, can use low sulfur rubber gasket, dense packing, joint surface can be coated with protection. It should be noted that the water accumulation area should be avoided during design; during maintenance, it should be diligently cleaned to remove dirt.
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