What are the requirements for the exterior shape of corrosion-resistant fans?

What are the requirements for the exterior shape of corrosion-resistant fans?

Corrosion-resistant fans are equipment used to transport corrosive gases within conveyors, where performance metrics and anti-corrosion properties are universally required.

Additionally, corrosion-resistant fans have specified standards for appearance and cleanliness that must meet relevant requirements. So what are the specific requirements? Let everyone understand:

1. The inner and outer surfaces of corrosion-resistant fan castings should be smooth, free of bubbles, cracks, and noticeable thickness irregularities.

2. The outer surface of the corrosion-resistant fan housing should be clean, uniform, and flat. Welded areas should be repaired and smoothed.

3. The inner surface of the housing should be coated with anti-rust paint, while the outer surface should be coated with anti-rust paint and decorative architectural coatings.

4. The painting of corrosion-resistant fans should comply with the requirements of the “Technical Standards for Exhaust Fan Painting.”

5. The positions of rolling bearings should be oil-tight.

6. Processing surfaces of main shaft bearings, couplings, and pulleys shall be coated with vegetable oil or treated with other rust-proofing methods.

7. Before shipment, both the interior and exterior of the corrosion-resistant fan must be cleaned. Specifications for the fan's appearance and cleanliness are detailed here.

These are highly standardized items with no areas requiring special emphasis.

One additional note: To prevent exterior scratches during transportation, manufacturers should implement adequate protective measures for the fan during shipping.