Screw Air Compressor is a mechanical device designed to increase the pressure of air by reducing its volume through the use of a screw-type mechanism. It is widely used in industrial settings for various applications, from powering pneumatic tools to providing compressed air for machinery, assembly lines, and other production processes. Unlike traditional piston compressors, screw compressors offer smoother operation, higher efficiency, and longer service life due to their continuous flow and fewer moving parts.
The Screw Air Compressor works by utilizing a pair of interlocking helical screws (rotors) to trap and compress air, which is then discharged through an outlet. The primary advantage of screw compressors over other types is their ability to provide a continuous and reliable flow of air, even under heavy-duty conditions.
Key Features:
- High Efficiency: Screw compressors are known for their energy efficiency, as they operate with a smooth, continuous process, reducing the wear and tear seen in piston-style compressors.
- Low Maintenance: With fewer moving parts and a self-contained design, screw compressors require less maintenance and have a longer operational life.
- Continuous Air Flow: Unlike reciprocating compressors that produce air in bursts, screw compressors provide a steady, uninterrupted flow of compressed air, making them ideal for continuous industrial operations.
- Compact Design: Screw compressors generally have a more compact design, saving space in factories or work environments.
System Components:
- Compressor Unit: The core of the system where the compression process occurs. It includes the motor and the screw mechanism that compresses the air.
- Air Storage Tank: A buffer for storing compressed air and providing a steady supply. It helps to balance the demand for compressed air and ensures that the compressor is not continuously running.
- Freezer Dryer (optional): Used in conjunction with the compressor system to remove moisture from the compressed air, ensuring that the air is dry and clean for use in sensitive equipment.
Applications:
Screw air compressors are used in a wide range of industries, including:
- Manufacturing: Powering pneumatic tools, machines, and assembly lines.
- Food and Beverage: For air handling in processing and packaging.
- Construction: Operating pneumatic drills, impact wrenches, and other tools.
- Mining: For powering drills and other equipment.
- Pharmaceuticals and Electronics: For clean, dry compressed air to prevent contamination in sensitive production processes.
Parameters for Different Capacities:
Below is a summary of the key parameters for Screw Air Compressors of various power ratings, including the 7.5KW, 11KW, 15KW, and 22KW models:
| Model | Power (KW) | Exhaust Capacity (m³/min) | Exhaust Pressure (MPa) | Air Storage Tank Capacity (m³) | Application | Freezer Dryer | Cooling Method |
|---|---|---|---|---|---|---|---|
| Screw Compressor - 7.5KW | 7.5KW | 1.2m³/min | 0.8 MPa | 0.6 m³ | Long-term production and industrial machinery | Optional | Air-cooled or water-cooled |
| Screw Compressor - 11KW | 11KW | 1.7m³/min | 0.8 MPa | 0.8 m³ | Medium to large scale industrial applications | Optional | Air-cooled or water-cooled |
| Screw Compressor - 15KW | 15KW | 2.2m³/min | 0.8 MPa | 1 m³ | Heavy-duty industrial operations | Optional | Air-cooled or water-cooled |
| Screw Compressor - 22KW | 22KW | 3.0m³/min | 0.8 MPa | 1.5 m³ | Large-scale industrial applications | Optional | Air-cooled or water-cooled |
Key Specifications for Each Model:
| Parameter | 7.5KW Model | 11KW Model | 15KW Model | 22KW Model |
|---|---|---|---|---|
| Power Supply | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz |
| Exhaust Capacity | 1.2m³/min | 1.7m³/min | 2.2m³/min | 3.0m³/min |
| Max Exhaust Pressure | 0.8 MPa | 0.8 MPa | 0.8 MPa | 0.8 MPa |
| Air Storage Tank | 0.6 m³ | 0.8 m³ | 1 m³ | 1.5 m³ |
| Cooling Method | Air-cooled or water-cooled | Air-cooled or water-cooled | Air-cooled or water-cooled | Air-cooled or water-cooled |
| Freezer Dryer | Optional | Optional | Optional | Optional |
| Dimensions (L x W x H) | 1000 x 800 x 1200mm | 1100 x 900 x 1300mm | 1200 x 1000 x 1500mm | 1300 x 1100 x 1600mm |
| Weight | ~350 kg | ~450 kg | ~600 kg | ~800 kg |
| Noise Level | 70-75 dB | 70-75 dB | 75-80 dB | 75-80 dB |
Advantages of Screw Compressors:
- Energy Efficient: Compared to piston compressors, screw compressors are more energy-efficient, as they continuously supply air with less fluctuation in pressure.
- Low Maintenance: The fewer moving parts in screw compressors result in less wear and tear, which reduces maintenance needs and costs.
- Long Lifespan: The robust design and efficient air delivery system ensure that screw compressors last for many years of continuous use.
- Stable Performance: They provide stable and consistent air pressure, making them ideal for industries where air demand is constant or highly variable.
- Compact and Versatile: With flexible installation options and relatively compact dimensions, screw compressors can fit into tight spaces and are suitable for a wide range of industrial applications.
Applications:
Screw compressors are widely used in industries such as:
- Manufacturing: To power pneumatic tools and machinery.
- Food and Beverage: For air handling in packaging and processing.
- Construction: To power air tools, drills, and other machinery.
- Oil and Gas: For powering equipment and processes.
- Mining: For air-driven mining tools and machinery.
- Automotive: For factory air systems and robotic arms.
Screw compressors are an excellent choice for businesses looking for reliable, energy-efficient, and long-lasting compressed air solutions. The variety of power capacities (7.5KW, 11KW, 15KW, and 22KW) allows for flexibility depending on the size of your operations, ensuring that both small- and large-scale industries can benefit from their performance. With additional features like optional freezer dryers and customizable air storage tanks, screw compressors are designed to meet the needs of demanding industrial environments.