In the metal smelting process, the Crucible For Melting Metals is one of the crucial equipment. However, pre-treatment steps before use are essential, not only to ensure smooth operation but also to extend the service life of Smelting Crucibles. Here is a guide to the safe operation of Melting Graphite Crucible, let’s take a look at it.
Preheating treatment: Before melting the metal, place the crucible near the oil furnace for preheating. This step helps remove moisture from the crucible and ensures the stability of the metal melting process.
Dehumidification treatment: You can put charcoal or wood into the crucible and burn it for about 4-5 minutes to completely remove the moisture in the crucible and improve the efficiency of metal melting.
Baking treatment: Slowly bake the crucible to 500 degrees Celsius before use. This ensures that the crucible can withstand high temperatures and avoid cracking due to rapid temperature changes.
Flux treatment: Using a mixture of borax and sodium carbonate as a flux during the metal melting process helps remove impurities from gold and improves its purity.
Preparing the metal before melting it: Make sure the crucible has a smooth, glass-like coating. This helps prevent the metal from sticking to the crucible after melting, making it difficult to clean.
Precautions for adding materials: Add the appropriate amount of materials according to the capacity of the crucible to avoid overfilling to prevent the crucible from cracking due to thermal expansion.
Recycling of molten metal: When recycling molten metal, it is best to use a spoon and avoid using pliers or other tools to avoid damaging the crucible.
Avoid direct contact: Avoid direct spraying of strong oxidizing flames onto the crucible to avoid oxidation of the crucible material and affect its service life.
By following these detailed handling steps, the safety of the metal melting process and the longevity of the crucible can be ensured, ensuring smooth operation.
Post time: May-27-2024