Ceramic Foam Filter Manufacturing Process

23 7月 Ceramic Foam Filter Manufacturing Process

Ceramic Foam Filter Manufacturing Process

The ceramic foam filter is a high-adsorption ceramic filter plate (CFF) made of ZrO2 molten material sintered at high temperatures. It is installed in the filter box to filter impurities in aluminum alloy liquid to meet the aluminum alloy precision casting of high added value and high technical performance in aviation, transportation, etc. such as computer hard drives, semifinished micron aluminum foil, PS board base for printing, canning material, jet turbine engine fan blades, and other products.

ceramic foam filter adopts a three-dimensional network structure and an organic foam connected to the pores as a carrier, invades it into the thixotropic Al2O3 material slurry, and uses a square-corrected center-distance automatic extrusion process to apply the slurry on the foam skeleton uniformly. And baked and solidified at a high temperature of 1,180 ° C. Installed in the filter box to filter impurities in aluminum alloy liquid, to meet the aluminum alloy precision casting of the aviation industry’s high value-added, high-tech performance.

Filtration Efficiency

The filtration efficiency of the AdTech ceramic foam filter depends on the pore size of the filter plate, the size and type of inclusions (density, wetting characteristics), and the speed at which the molten metal passes through the filter plate.

It is surrounded and sealed by an expanded gasket with 200% expansion above 450°C to prevent floating and leakage of aluminum liquid through the contact surface.
Filtered by the adsorption principle, it can effectively remove large inclusions in the aluminum liquid, and effectively adsorb fine inclusions of micron size, and the filtration efficiency of the same ppi is high.

Sealing Gasket

A sealing gasket is applied around the ceramic foam filter to act on the contact surface of the filter plate and the filter box to prevent leakage of the aluminum liquid through the contact surface. Our filter plates are made of three different types of sealing gaskets including fiber paper sealing; fiber cotton sealing; and expandable gasket sealing.

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