Lemon slices contain citric acid, which is corrosive to metals. When using a mesh belt dryer, lemon slices may cause some corrosion to the mesh belt. When using lemon slices or other acidic foods for drying, it is recommended to take the following precautions:
1. Use food-grade materials: Choose a mesh belt dryer made of food-grade stainless steel or acid-resistant materials. These materials usually have better corrosion resistance.
2. Cleaning and maintenance: Clean and maintain the dryer regularly, especially the mesh belt and the parts in contact with the lemon slices. Avoid leaving acidic substances on the machine for too long to reduce the risk of corrosion.
3. Use interval: Before or after continuously drying acidic food, consider using intervals to give the machine some time to recover and maintain.
4. Protective measures: If you are worried about corrosion of the dryer mesh belt, you can place a food-grade protective layer, such as food-grade silicone pad or paper, between the lemon slices and the mesh belt.
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