Screw Air Compressor Working Principle
A screw air compressor is a type of rotary positive displacement compressor, widely used in modern industries due to its continuous, high-efficiency, and low-maintenance operation. Unlike piston compressors, which work in cycles, screw compressors provide steady airflow, making them ideal for factories, workshops, and production lines.
Core Components:
Male Rotor – has convex teeth, rotates clockwise.
Female Rotor – has concave teeth, rotates counter-clockwise.
Compression Chamber – the space between the rotors where air is trapped and compressed.
Inlet Valve – regulates air entry.
Outlet Valve – allows compressed air to exit.
Oil Separator (Oil-injected models) – separates oil from compressed air and returns it to the system.
After-Cooler – reduces air temperature for safe industrial use.
Step-by-Step Working Process:
Air Intake: Ambient air enters the compressor via the inlet filter and valve. The filter ensures no dust or debris enters the system.
Air Trapping: The male and female rotors rotate in opposite directions, trapping the air in pockets formed between the rotor teeth.
Compression: As the rotors continue to rotate, the trapped air is gradually squeezed into a smaller volume, increasing its pressure.
Oil Injection (optional): In oil-injected models, oil serves three purposes:
Lubrication: Reduces friction between rotors.
Cooling: Keeps compressed air and rotors from overheating.
Sealing: Improves compression efficiency.
Air Discharge: Compressed air exits through the outlet valve at high pressure, ready for industrial use.
Key Advantages of the Working Principle:
Continuous Airflow: Unlike piston compressors, no pulsing; smooth and reliable air.
Energy Efficiency: Less energy loss due to fewer moving parts and minimal vibration.
Longer Equipment Life: Reduced wear and tear compared to reciprocating compressors.
High Capacity: Can handle large industrial air demand, suitable for production lines and heavy machinery.
Typical Applications:
Manufacturing industries (textile, plastic, food processing)
Pneumatic tools and automation systems
Hospitals and pharmaceutical industries (oil-free variants)
Paint spraying and packaging lines
✅ Solution: Tangram Screw Air Compressor (Our Products)
Tangram Electronics Ltd. has been providing modern screw air compressors for Bangladesh’s industrial sector, offering reliable solutions for every need:
Durable & Long-lasting Design: Uses high-quality international components.
Energy-efficient Technology: Produces higher output with lower electricity consumption.
24/7 Continuous Operation: Keeps production running without interruptions.
Noise Control System: Maintains a quiet and safe work environment.
Fast Service & Spare Parts Support: Tangram’s experienced team is always ready to assist.
Why Choose Tangram?
Leading Screw Air Compressor supplier in Bangladesh
World-class technology combined with local service support
Cost-effective industrial solutions
Long-term reliability
Contact Tangram Electronics Ltd.:
📍 Address: 19/A, Goran Chatbari, Ward No: 8, Mirpur 1, Beribadh Road, Dhaka 1216, Bangladesh
📞 Phone: +880 1341 701136
✉️ Email: info@tangramelectronics.com
🌐 Website: tangramelectronics.com