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- AdTech - Aluminum Degassing Unit
AdTech - Aluminum Degassing Unit
The aluminum degassing unit adopts new high silicon melting material manufacturing technology. The main components include a mechanical drive, box lid, rotor, and heater. AdTech degassing equipment can meet the production of aluminum products with high technical performance requirements. Aluminum degassing machine is between the furnace and the casting machine, the main function is removing hydrogen and other residues. Otherwise, these gases will affect the quality and mechanical properties of aluminum and its alloys.
- Good degassing effect: The average degassing efficiency is 60%.
- The inner lining is made of high-silicon molten material. It has a long service life. The non-stick aluminum effect is good, with no pollution from molten aluminum. The spoiler of the inner lining can prevent air and oxides from entering into the liquid aluminum.
- The rotor is made of silicon nitride. It has strong advantages in corrosion resistance, thermal shock resistance, oxidation resistance, wear resistance, mechanical strength, and others. The rotor can diffuse the bubble to all corners of the inner cavity to the maximum extent.
- Immersion heater protective sleeve is made of silicon nitride. The heating efficiency is high. It can reduce the oxidation of the aluminum and have no pollution to the molten aluminum.
- The degassing device can use a mixture of argon, nitrogen, and chlorine as an option. There are protection measures for using these gases.
- The standard seal structure design can effectively prevent slagging from secondary oxidation, and improve the degassing effect.
Place a molten aluminum degassing machine between the holding furnace and the casting machine. Blow the Nitrogen into the molten aluminum alloy, and the gas is shredded by the rotating graphite rotor in the degassing tank. Then a large number of dispersed bubbles are formed, so that the liquid aluminum alloy is in full contact with nitrogen in the treatment tank. According to the air pressure difference and the principle of surface adsorption, bubbles absorb hydrogen and oxidized slag. And then the bubbles rise to the surface of the melt to form scum. Then molten aluminum alloy flows from the outlet of the degassing unit to the casting machine. The liquid aluminum alloy continuously enters the degassing device, and nitrogen is continuously blown in. With such a purification process, the degassing machine can achieve the purpose of purifying the aluminum alloy.