Key Features of Aramid Filter Bag
- High-Temperature Resistance: Continuous operating temperature up to 200–220°C, with short-term tolerance up to 250°C.
- Chemical Resistance: Excellent resistance to acids and alkalis (but caution is required in strong acid or oxidizing environments).
- High Strength & Abrasion Resistance: Aramid fibers provide superior tensile strength and wear resistance, ensuring long service life.
- Dimensional Stability: Low shrinkage rate, maintaining shape stability under high temperatures.
- High Filtration Efficiency: Captures micron-sized particles, with emission concentrations below environmental standards.
Applications
- Dust removal in blast furnace gas and sintering flue gas (steel plants).
- Emission control in cement kiln inlet/outlet flue gas.
- Flue gas filtration in coal-fired boilers and waste incineration.
- Corrosive gas filtration in the chemical industry.
Technical Specifications
Parameter | Value |
Material | Aramid fiber (Nomex® or domestic equivalent) |
Weight | 500–600 g/m² (customizable) |
Air Permeability | 8–15 m³/m²/min |
Tensile Strength | Warp direction >1000 N/5cm |
Temperature Range | -40°C to +220°C |
Filtration Grade | 0.1–10 μm (adjustable per process) |
Aramid Filter Bag’s Specifications
- Dimensions: Customizable (common diameters: φ120–160mm; lengths: 2–8m).
- Connection Types: Snap ring, flange clamp, lifting straps, etc.
- Surface Treatment: Optional PTFE membrane coating for enhanced filtration.
Usage Guidelines
Pre-Installation: Inspect for damage; avoid contact with sharp objects.
Operation: Ensure flue gas temperature does not exceed 220°C; avoid thermal shock.
Chemical Exposure: Evaluate material compatibility if strong oxidizers (e.g., NOx, ozone) are present.
Cleaning: Use low-pressure pulse-jet cleaning to prevent mechanical damage.
Storage & Transportation
Store in a cool, dry place away from fire and corrosive substances.
Protect from moisture and compression during transit; avoid folding.
Certifications
Compliant with ISO 9001 Quality Management System; select models meet CE or GB/T 6719 environmental standards.
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