Aluminum melting refining flux is powdery particles, which are passed to the bottom of the pool through a refining device, so that there are a lot of bubbles in the aluminum liquid. The refining medium is in full contact with the molten metal, and the gas and inclusions in the molten aluminum are brought into contact with the surface of the molten aluminum through physical and chemical effects, and the purpose of degassing and slag removal is achieved at the same time.
Under the action of carrier gas (N or Ar), the cast aluminum refining agent uniformly enters the lower aluminum layer through the powder-carrying refining tank. Through physical and chemical changes, many small bubbles are formed in the molten aluminum to completely contact the molten aluminum, which separates the molten aluminum.
Certain substances contained in the refining agent for aluminum castings will strongly adsorb the oxides and suspended matter in the molten melt and attach them to the bubbles. As the bubbles rise, they are brought to the surface of the molten aluminum to achieve the purpose of degassing and slagging.
Superior Performance of Aluminum Melting Refining Flux
1. Good fluidity, high degassing and slag removal efficiency.
2. Strong melt purification ability, low pollution, low dosage and low cost.
3. The formed scum is dry and easily separated from the slag and aluminum.
4. Special refining agent for aluminum alloy.
Aluminum refining agent has the advantages of smokeless, odorless, dustless, and convenient operation. For example, the special bell jar for smelting treatment has better effect, and the equipment and equipment will not be corroded. The refined preparation has good degassing effect, and the pinhole degree can reach 1-2 level under normal circumstances. The slag is dry, loose, and light in weight. It is well separated from the aluminum alloy liquid and is easy to remove.
After refining, there should be a thin layer of flux floating on the surface of the molten aluminum. This means that the response is good. Let it stand for 5 to 8 minutes. No bubbles escape from the liquid surface, indicating that the molten aluminum has been properly processed.