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Products structure
The structure of the partitionless high-efficiency air filter is relatively simple yet highly effective, consisting primarily of the following components:
Filter Material
Core Filter Media: Typically, high-efficiency fibrous filter layers are employed, such as glass fiber filter paper, synthetic fibers, or polytetrafluoroethylene (PTFE) fibers. These materials possess excellent filtration capabilities, enabling them to efficiently capture minute particles from the air.
Characteristics: Glass fiber filter paper is often chosen for its waterproof and flame-retardant properties, while synthetic fiber media are also gaining popularity. Some high-end manufacturers abroad utilize electrostatic PTFE fibers for their high-efficiency filters, which exhibit even more remarkable filtration efficiency.
Frame Material
Common Materials: The frames of partitionless high-efficiency filters are commonly constructed from materials like aluminum alloy profiles, galvanized steel frames, stainless steel plates, or multi-layer board frames. Among them, aluminum alloy profiles are widely used due to their lightweight, corrosion resistance, and ease of processing.
Structural Form: The frames are typically designed in a cubic structure for convenient installation and replacement.
Separators and Sealing
Separators: Unlike traditional filters, partitionless high-efficiency filters do not have conventional separators. Instead, hot-melt adhesives are used as separators between filter elements. This design simplifies the structure and facilitates mechanized production.
Sealing Materials: To ensure the filter's tight seal, environmentally friendly polyurethane sealant is typically used for sealing treatment.
Other Components
Protective Mesh: On the outlet side, some partitionless high-efficiency filters are equipped with spray-painted protective meshes to safeguard the filter paper from damage or contamination.
Installation Accessories: Depending on specific installation requirements, additional accessories may include mounting frames, fixing screws, etc.
Working Principle
Partitionless high-efficiency air filters utilize their high-performance filter media to capture and filter tiny particles in the air through various mechanisms, including interception, inertia and diffusion, electrostatic effects, chemical filtration, and gravitational effects.
As air passes through the filter, particles are intercepted by the filter media and deposited on its surface, while clean air flows out of the filter.
In conclusion, partitionless high-efficiency air filters, characterized by their simple structure, lightweight, ease of installation, and high filtration efficiency, have found widespread applications in environments requiring high air cleanliness, such as cleanrooms, electronic factories, and hospital operating rooms.
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