The stainless steel melt filter cartridge is a specialized filtration element designed for high-temperature and high-viscosity media. It is widely used in polymer melts, chemical fibers, petrochemicals, and related industries. Manufactured from stainless steel sintered mesh or sintered fiber felt, the cartridge is typically pleated or cylindrical in shape, offering high mechanical strength, corrosion resistance, excellent thermal stability, and reusability after cleaning.
The filtration mechanism of stainless steel melt filter cartridges mainly involves the following processes:
Surface Filtration (Sieving Effect)
Solid particles larger than the pore size are directly retained on the surface of the filter media, achieving primary filtration.
Depth Filtration (Porous Entrapment)
Due to the three-dimensional porous structure of the sintered mesh or fiber felt, fine particles smaller than the surface pore size are trapped and adsorbed within the internal channels of the filter media, enhancing filtration precision.
Inertial Impaction and Diffusion
Larger particles deviate from the fluid streamline due to inertia and collide with the filter fibers, while smaller particles undergo Brownian motion, increasing their chances of being captured.
Coalescence and Deposition
Fine impurities tend to aggregate inside the pore structure and gradually deposit, resulting in more efficient contaminant removal.
High Filtration Accuracy: Stable performance with a rating of 1–200 μm.
Temperature Resistance: Suitable for continuous operation at 300℃–600℃.
Corrosion Resistance: Withstands acids, alkalis, and organic solvents.
Large Flow Rate & Low Pressure Drop: Optimized porous structure ensures high permeability.
Reusable: Can be regenerated by backwashing, ultrasonic cleaning, or thermal treatment.
Chemical Fiber Industry: Filtration of polymer melts such as PET, PP, PA, and acrylics.
Petrochemicals: Purification of high-temperature, high-viscosity liquids.
Pharmaceuticals & Food: Clarification of hot liquids and process media.
Metallurgy & New Energy: Removal of impurities in high-temperature liquids and gases.
