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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Product Name:Aluminium sulphate Molecular Formula:AL2(SO4)3 Hs Code: 2833220000 CAS Code:10043-01-3 Standard:HG2225-2010 Shape:flake, powder, 2-4cm lump and 2-5mm/3-8mm granular Properties:There are two types,anhydrous aluminium sulphate and aluminium sulphate octadecahydrate. In normal condition , it is AL2(SO4)3 18H2O; AL2(SO4)3 14H2O after efflorescence, can be white powder , glittering flaky or crystalline flakes, odorless, sweet to slight bitter. Use:Sewage Treatment, treatment of drinking water, Sizing of paper , Cement Additive. Specifications Item Name Standard AL2O3 15.6% 16.5% 17% Fe2O3 ¤0.5 % 0.005 % 0.004% PH value .0 3.0 3.0 Water insoluble matter 0.2% 0.04% 0.03% Packing 25kg or 50kg or 1000kg in plastic lined woven bag
Commodity: Sodium Sulphate anhydrous Product Nature Molecular formula: Na2SO4 Molecular weight: 142.04 Property: white granular crystal or powder Use As filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t also can be used in fiber, leather, metallurgy, enamel and soap. Specifications Item GB6009-2003 Type First grade Result of common product Result of neutral product Na2SO4 99.0 99.20 99 40 Water insoluble matter %0.05 0.02 03 Ca & Mg %(Mg) 0.15 0.02 02 Chloride %(Cl) 0.35 0.23 20 (Fe) 0.002 0.0001 0001 Moisture % 0.20 0.02 02 Whiteness % 82 88 85 Packing and Storage Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg. Transportation-and harsh rain. Stored in a cool, ventilated, dry place.
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