Ceramic Filter Suppliers online shopping Adtech Porivde Ceramic Foam Filter which can filter out large slag inclusions and micron (10 ~ 40m) fine inclusions in molten aluminum in aluminum melting and casting plants.
Aluminum alloy CFF has a unique three-dimensional interconnected network skeleton structure, with a through-hole rate of up to 80% ~ 90%, strong adsorption capacity, low filtration resistance and high filtration efficiency.
The effect can be achieved through filter cake effect, deep bed effect and distillation scum effect.
By reducing the number of effective crystal nuclei in the molten aluminum, the molten aluminum can be nucleated and grown under larger supercooling conditions.
The grain structure is refined and the sensitivity to internal defects of the alloy is reduced.
This method actually measures the time required for the molten aluminum to pass through the ultrafine graphite filter.
When the container is withdrawn, the time required to pass a certain amount of molten aluminum under atmospheric pressure is related to the cleanliness of the molten aluminum.
It takes less time to pass clean molten aluminum, and long time to pass dirty molten aluminum.
In addition, the filtered graphite plate can also be analyzed. The size of inclusions can reflect the cleanliness of molten aluminum.
Generally speaking, there are three methods for removing inclusions in molten aluminum: precipitation, float and filtration.
When the size of the inclusions is less than 90μm, the possibility of sinking to the bottom of the furnace due to gravity is very small.
Traditional gas purification, online refining and other processes can make some inclusions float to the surface of the molten aluminum, but when the size of the inclusions becomes smaller.
When the temperature is less than 30 μm, the chance of rising is small. The advantage of the Foam Ceramic Filter is that it can filter out inclusions much smaller than its pore size.
Ceramic Filter Suppliers online shopping can not only effectively eliminate the large oxidized inclusions in the aluminum liquid, but also filter out the fine inclusions of a few microns that cannot be removed by the traditional process.
Because the hydrogen atoms, sodium, potassium and other harmful ions in the aluminum liquid are often adsorbed on the inclusions, the inclusions can become the core of the formation of bubbles, so while filtering the inclusions, these harmful elements in the aluminum liquid can also be reduced.
The ceramic foam filter plate filters out many small inclusions, thereby reducing the required effective crystal nucleus for the solidification of molten aluminum, thereby promoting the growth of molten aluminum nucleation under relatively large supercooling conditions, which can be refined and structured.
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