Air Compressor
Your Professional Air Compressor Supplier
Qingdao Gaodelong International Trade Co., Ltd. is located in Qingdao, Shandong Province. We are a professional supplier providing a variety of high-tech forging machinery. Our product line includes hydraulic presses, electric screw presses, roll forging machines, ring grinding machines, air compressors, flat forging machines, brazing machines, composite bottom pan production lines, and other forging equipment.
Why choose us
Sales Market
Our products are exported to Europe, Asia, and other international markets, as well as sold domestically. They have been praised by both domestic and foreign customers and are highly recognized in the market.
Fast Delivery
We ensure complete packaging to protect product quality and arrange transportation to the destination as quickly as possible.
Advanced Technology
Our product design utilizes CAD, SOLIDWORKS, DEFORM, and other software to analyze and optimize equipment structures, simulate the forging process, and provide users with ideal equipment and production solutions.
Our Certifications
We hold various international pressure vessel certifications and have extensive experience in equipment manufacturing. These include China’s national standard pressure vessel certification, American ASME certification, Norwegian DNV certification, EU PED certification, and Russian TR-620 certification.
Screw Air Compressor
A screw air compressor is an industrial device that compresses gas through the meshing and rotating of male and female rotors. Its core components are precisely machined spiral rotors. By changing the volume, the screw air compressor compresses atmospheric air to the target pressure, providing a stable air source. Compared to piston compressors, screw air compressors have higher energy efficiency and lower maintenance costs, making them suitable for industrial scenarios requiring continuous air supply. The main advantages of screw air compressors include high efficiency, low noise operation, and long maintenance intervals, making them widely used across various industries.
Benefits of Screw Air Compressor
Continuous operation
Capable of continuous airflow and pressurisation, they don’t need to be shut on and off and have no duty cycle. This means that they can operate continuously with little to no downtime.
Easy to maintain
With very little moving and contacting parts, wear and tear are minimised. Long service intervals drive down maintenance costs and make any routine checks and repairs quick, easy, and hassle-free.
Powerful performance
Screw compressors can operate in challenging conditions as they have high airflow rates and can perform at extreme temperatures. This means they can run pneumatic tools and heavy equipment easily and efficiently.
Energy-efficient
Having stood the test of time, these durable machines produce less heat and conserve more energy than other models. These design features mean that they offer zero loss of capacity over time, keeping the lifetime cost of the compressor low.
Low noise
Quiet operation is down to the small size of the units and the lack of moving parts, making them suitable for point of use installations.
Technical Comparison
|
Type |
Screw Compressor |
Piston Compressor |
|
Energy Efficiency |
High (IPLV>8.0) |
Low (IPLV≈5.5) |
|
Maintenance Cost |
Low (No valve wear) |
High (Many wear parts) |
|
Applicable Scenarios |
Continuous air supply |
Intermittent air supply |
Core Value
High Efficiency and Energy Saving
Compression efficiency is 30–50% higher than piston air compressors.
Low Maintenance Cost
No wear parts design; major overhaul cycles can reach 40,000–80,000 hours.
Low Noise Operation
Noise levels as low as 75 dB(A), suitable for precision manufacturing workshops.
Some Vital Parts Of A Screw Air Compressor
Rotary Screw Element: This component forces the air towards the outlet and generates pressure.
Inlet Suction Air Filter: This component is positioned at the inlet of the compressor chamber. It captures and reduces dust and the entry of harmful particles. This is essential for cleaning and protecting the compressor stages.
Compression Chamber: This component encases the rotary screw element. Keep in mind that it is possible to utilise multiple stages for increased pressurisation.
Oil Filter: This component eliminates dirt and contaminants from the oil used for compression or lubrication within the oil system.
Suction Valve: The compressing unit is usually positioned at the top. The rotary screw element handles the incoming raw air. If the system pressure is too low, it fully opens. Conversely, if the pressure is too high, it closes the valves.
Discharge Valve: This component is usually positioned at the end of the compression process. It opens upon reaching the correct pressure and ensures sufficient pressure is maintained for proper lubrication of the compression stages.
Compressor Motor: This component powers the rotary screws and drives the compression cycle of the unit, with the compressor microprocessor controller managing its operation.
System Control: This component appears as a display and input panel, which is essential for operating, automating, and monitoring the compressor unit.
Separator Vessel: This tank sifts out oil from the compressed air, serves as an oil reservoir, and maintains air pressure in the system with the help of a pressure valve.
After Cooler: This device cools the compressed air and dissipates the heat produced during the compression process. The coolers can be either air-cooled or water-cooled. You can choose between air cooling and water cooling based on your specific needs and the installation location.
Water Separator: The water separator is a crucial component of a screw air compressor. It is positioned after the aftercooler to eliminate liquid moisture from the compressed air, thereby ensuring that the air exiting the compressor is entirely free of any liquid water.
FAQ