Air Blower
Blowers are machines that generate high-volume, low-to-medium-pressure air flow. They differ from compressors: a compressor squeezes a small volume of air to high pressure (7–10 bar), while a blower delivers a large volume of air at low pressure (0.3–1 bar) — continuously, around the clock.
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Where Are Blowers Used?
- Water and wastewater treatment plants — aeration: supplying oxygen to the biological treatment process (aeration accounts for the largest share of a treatment plant's energy costs)
- Pneumatic conveying — transporting powdered and granular materials (cement, flour, granules) through pipelines
- Aquaculture — oxygenating the pools of fish farms
- Biogas plants — mixing and transporting biogas
Types
- Rotary (Roots-type) blowers — a durable classic for low-pressure tasks; simple design and easy maintenance
- Screw blowers — the new generation: up to 20–30% lower energy consumption and reduced noise; optimal for facilities operating under constant load
