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What’s the difference between woven and non-woven dust filter bags?

1. Introduction to Dust Filter Bags in Industrial Filtration

Definition and role of dust filter bags in air pollution control systems.

Overview of industrial applications (steel, cement, pharmaceuticals, etc.), aligning with Anhui Tiankang’s expertise in dust removal systems for sectors like steelmaking, foundries, and VOC treatment.

Importance of material selection (woven vs. non-woven) for efficiency and compliance with environmental standards.

2. Woven Dust Filter Bags: Structure and Applications

Material Composition: Yarn types (e.g., polyester, PTFE), weaving techniques (plain, twill weave), and surface treatments (e.g., calendering).

Performance Characteristics:

High mechanical strength and temperature resistance.
Ideal for heavy-load industries (e.g., steel industry sintering, blast furnace tapping hoods).

Limitations: Lower fine-particle retention compared to non-woven alternatives.

3. Non-Woven Dust Filter Bags: Technology and Advantages

Manufacturing Processes: Needle punching, meltblown, or spunbond methods.

Key Properties:

Superior filtration efficiency for submicron particles (critical for pharmaceutical or cement industries).
Flexibility in material blends (e.g., hybrid fibers for corrosive environments like non-ferrous smelting).

Trade-offs: Reduced durability under high abrasive conditions.

4. Comparative Analysis: Woven vs. Non-Woven

(Use a concise table for clarity, if needed)

Parameter	Woven Dust Filter Bags	Non-Woven Dust Filter Bags
Filtration Efficiency	Moderate (10–50 µm)	High (<5 µm)
Temperature Range	Up to 280°C (PTFE)	Typically ≤150°C (varies by material)
Primary Use Cases	Heavy dust loads (e.g., steel slag treatment)	Fine particulate (e.g., VOC systems)

Parameter

Woven Dust Filter Bags

Non-Woven Dust Filter Bags

Filtration Efficiency

Moderate (10–50 µm)

High (<5 µm)

Temperature Range

Up to 280°C (PTFE)

Typically ≤150°C (varies by material)

Primary Use Cases

Heavy dust loads (e.g., steel slag treatment)

Fine particulate (e.g., VOC systems)

5. Selection Criteria for Industrial Scenarios

Factors influencing choice:

Dust particle size (linked to Anhui Tiankang’s customized hood designs for electric furnaces or converters).
Chemical resistance (e.g., acidic flue gases in desulfurization towers).
Operational lifespan and maintenance (e.g., ash conveying equipment compatibility).

Emphasis on ISO-certified testing and patented technologies for optimal performance.

6. Innovations and Future Trends

Advances in hybrid materials (e.g., PTFE-coated woven bags) for flue gas denitrification.

Role of full-chain quality systems (R&D to delivery) in enhancing durability.

Summary of woven/non-woven distinctions.

Reiteration of dust filter bags as critical components in turnkey environmental projects, supported by engineering expertise like Anhui Tiankang’s integrated solutions.

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Dust Bag

What’s the difference between woven and non-woven dust filter bags?

1. Introduction to Dust Filter Bags in Industrial Filtration

2. Woven Dust Filter Bags: Structure and Applications

3. Non-Woven Dust Filter Bags: Technology and Advantages

4. Comparative Analysis: Woven vs. Non-Woven

5. Selection Criteria for Industrial Scenarios

6. Innovations and Future Trends