Dehydrogenation/impurity removal/dealkalization
One of the most effective molten aluminum degassing technologies, the first choice for high-end aluminum castings!
Equipment Features
Degassing efficiency is above 60%
- Optimized dispersion of process gases in melts;
- The maximum area and time of contact between dispersed bubbles and melts;
- The box is completely sealed, ensuring a stable inert gas environment;
- Smooth melt surface without turbulent effect.
Easy installation and maintenance. Simple replacement of the liner of the preformed degassing box, which minimizing production downtime.
 Long component life, low maintenance and operation costs.
- The heater and heater protection tube have a service life of more than 3 months;
- The box has a service life of more than 1 year;
- The rotor and rotating shaft have a service life of more than 3 months;
- Gases can be cooled without the rotor rotating the main shaft.
Solving the problem of large amount of aluminum in the box.
- A wholly tiltable degassing unit is optional. It can be tipped over at a specified time before the end of casting to pour all molten aluminum stored in the box into the launder to finish casting, thus solving the problem of excess aluminum storage in the box.
Main Performance Parameters
Items Parameters
Maximum temperature of molten aluminum 750
Precision of molten aluminum temperature control (static) ±2
Melt heating ability 20/h
Launder surface temperature rise 40
Launder lining life 12 months
Continuous service life of heater 3 months
Heater protection tube 4 months
Continuous service life of rotor 3 months
Rotor speed (stepless speed regulation) 100-500rpm
Refined gas High-purity Ar or high-purity N2: pressure 0.2-0.5 MPa, purity 99.996%, Water (ppm) 3, Oxygen (ppm) 5
Degassing efficiency
When it is not greater than the maximum flow rate, the inlet hydrogen content is 0.30ml / 100gAl, when the aluminum liquid is 700-740 , the hydrogen content after degassing is 0.12ml / 100g
-Degassing efficiency60% when hydrogen content at the inlet>0.30ml/100g-Al.
Dealkalization effect Each alkali metal content
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