negative pressure fan is a type of fan used to create a negative pressure environment in a specific area. Negative pressure is generated when the fan expels air out of a space, causing the air pressure inside the space to be lower than the outside air pressure. This results in fresh air being drawn into the space from outside to balance the pressure difference.

How it Works:

• The fan exhausts air from a room or enclosed space.

• As the air is removed, the pressure inside drops below the outside atmospheric pressure.

• This causes air to flow into the space through cracks, vents, or designated air inlets.

Common Applications:

1. Ventilation in Industrial and Commercial Spaces:

• Used to remove harmful contaminants such as dust, smoke, fumes, and chemicals from manufacturing or processing areas.

2. Agriculture and Livestock:

• Negative pressure fans are commonly used in poultry barns, livestock facilities, and greenhouses to control temperature, humidity, and air quality. They help remove heat and ammonia buildup from animal waste.

3. Healthcare and Isolation Rooms:

• In hospitals, negative pressure fans are used in isolation rooms to prevent the spread of airborne pathogens by ensuring that contaminated air is not vented into other areas.

4. Construction Sites:

• In construction, negative pressure fans are used for dust control, especially when working with materials like concrete, wood, or drywall, which generate a large amount of airborne dust particles.

5. Cleanrooms and Laboratories:

• Laboratories and cleanrooms use negative pressure fans to ensure controlled environments by removing contaminants and maintaining air quality.

Benefits:

• Improved Air Quality: By constantly drawing in fresh air and expelling contaminated air, it keeps the environment safer and cleaner.

• Temperature Regulation: Especially in agriculture, negative pressure fans help control temperature and humidity levels.

• Odor Control: Useful in environments where odor buildup can be an issue, such as in livestock barns.

Frequency converter function

1. Intelligent control

2. Simple and practical

3. Easy to operate

4. Stable quality

5. Overcurrent protection

6. Overheating protection

7. Extend motor life