Screw variable frequency permanent magnet motor air compressors offer high efficiency, stable performance, and energy savings. Available in various models, they cater to different production scales. Key features include adjustable motor power (7.5 – 250 kW), air displacement (1.2 – 42.0 m³/min), and discharge pressure (0.7 – 1.2 MPa). These compressors are suitable for small workshops to large industrial lines. Their low noise levels (68 – 85 dB(A)) and variable frequency control make them ideal for modern manufacturing environments, reducing operating costs and enhancing productivity.
Parameter Table and Explanation for Screw Variable Frequency Permanent Magnet Motor Air Compressors
| Parameter | Explanation | Unit | Common Range/Examples |
|---|---|---|---|
| Model | The specific model of the air compressor, used to distinguish different specifications and performance levels. | – | For example: RCB-10A/S, RCD-15A/S, RCD-20A/S, etc. |
| Motor Power | The rated power of the motor, directly affecting the energy consumption and output capacity of the air compressor. | kW | Small: 7.5 kW; Medium: 11 – 15 kW; Large: 30 – 250 kW. |
| Air Displacement | The volume of compressed air discharged by the air compressor per unit time, an important indicator of its capacity. | m³/min | Small: 1.2 – 2.5 m³/min; Medium: 3.2 – 7.4 m³/min; Large: 10.0 – 42.0 m³/min. |
| Discharge Pressure | The pressure of the compressed air output by the air compressor, which needs to be selected according to the requirements of production line equipment. | MPa | Common range: 0.7 – 1.2 MPa. |
| Lubricating Oil Capacity | The capacity of lubricating oil inside the air compressor, used for lubrication and cooling. | L | Small: 10 – 18 L; Medium: 25 – 30 L; Large: 60 – 150 L. |
| Noise Level | The noise level produced by the air compressor during operation, affecting the comfort of the working environment. | dB(A) | Small: 68 – 70 dB(A); Medium: 70 – 75 dB(A); Large: 75 – 85 dB(A). |
| Outlet Size | The size of the air compressor’s outlet pipe, affecting the connection of pipes and the efficiency of gas transmission. | – | Small: RP3/4; Medium: RP1; Large: RP2 – DN100. |
| Control Method | The operation control mode of the air compressor. Variable frequency control can adjust the motor speed according to air demand, achieving significant energy-saving effects. | – | Variable frequency control. |
| Lubrication Method | The lubrication method for the moving parts inside the air compressor. Oil lubrication ensures stable operation but requires regular maintenance. | – | Oil lubrication. |
| Efficiency | The effectiveness of the air compressor in converting electrical energy into compressed air. High efficiency can reduce energy consumption. | % | Generally between 70% – 90%, with variable frequency permanent magnet motor air compressors achieving higher efficiency. |
| Application Scenario | Different models of air compressors are suitable for production lines of different scales. | – | Small: Small workshops or individual equipment; Medium: Medium-sized factories or production lines; Large: Large industrial production lines or factories. |
Parameter Examples (Partial Models)
| Model | Motor Power (kW) | Air Displacement (m³/min) | Discharge Pressure (MPa) | Lubricating Oil Capacity (L) | Noise Level (dB(A)) | Outlet Size |
|---|---|---|---|---|---|---|
| RCB-10A/S | 7.5 | 1.2 | 0.7 | 10 | 68±2 | RP3/4 |
| 1.1 | 0.8 | |||||
| 0.95 | 1.0 | |||||
| 0.8 | 1.2 | |||||
| RCD-15A/S | 11 | 1.65 | 0.7 | 18 | 70±2 | RP3/4 |
| 1.5 | 0.8 | |||||
| 1.3 | 1.0 | |||||
| 1.1 | 1.2 | |||||
| RCD-20A/S | 15 | 2.5 | 0.7 | 18 | 70±2 | G3/4 |
| 2.3 | 0.8 | |||||
| 2.1 | 1.0 | |||||
| 1.9 | 1.2 | |||||
| RCD-30A/S | 22 | 3.8 | 0.7 | 25 | 68±2 | RP1 |
| 3.6 | 0.8 | |||||
| 3.2 | 1.0 | |||||
| 2.7 | 1.2 | |||||
| RCD-50A/S | 37 | 6.8 | 0.7 | 30 | 76±2 | RP1-1/2 |
| 6.2 | 0.8 | |||||
| 5.6 | 1.0 | |||||
| 5.0 | 1.2 | |||||
| RCD-100A/S | 75 | 13.4 | 0.7 | 60 | 78±2 | RP2 |
| 12.6 | 0.8 | |||||
| 11.2 | 1.0 | |||||
| 10.0 | 1.2 | |||||
| RCD-150A/S | 110 | 21.0 | 0.7 | 90 | 80±2 | RP2-1/2 |
| 19.8 | 0.8 | |||||
| 17.4 | 1.0 | |||||
| 14.8 | 1.2 |
Summary
Screw variable frequency permanent magnet motor air compressors are characterized by high efficiency, stable operation, and low noise levels. They are suitable for production lines of various scales. By selecting the appropriate model and parameters, different production scenarios can be met while reducing operating costs and maintenance workload.
Characteristics and Advantages of Air Compressors for Production Lines
1. High Efficiency and Energy Saving
- Characteristics: Equipped with advanced screw compressor technology and variable frequency control, which automatically adjusts the motor speed according to the actual air demand of the production line to precisely match the air supply.
- Advantages: Compared with traditional air compressors, energy consumption can be significantly reduced, lowering electricity bills and reducing long-term operating costs. It also improves energy utilization efficiency and meets the requirements for green and sustainable development.
2. Stable and Reliable Performance
- Characteristics: Key components such as the compressor, motor, and control system are made of high-quality materials and manufactured with advanced processes, and have undergone strict quality inspection and performance testing.
- Advantages: It can maintain stable performance during long-term and high-intensity production operations with a low failure rate, reducing production interruptions caused by equipment downtime and ensuring continuous production.
3. Low Noise Operation
- Characteristics: Optimized structural design and effective noise reduction measures are adopted to effectively reduce the noise generated during the operation of the air compressor.
- Advantages: It provides a quieter working environment in the production workshop, reducing the negative impact of noise on workers’ hearing and work efficiency, and helps to improve working conditions to meet the requirements of modern factories.
4. Intelligent Control
- Characteristics: Equipped with an advanced intelligent control system with multiple operating modes and automatic protection functions, which can monitor the operating status of the equipment in real time, such as pressure, temperature, and current.
- Advantages: Easy to operate, and the operating parameters can be flexibly set according to production needs to achieve unattended operation. At the same time, the automatic protection function can promptly detect and handle abnormal situations to extend the service life of the equipment.
5. High-Quality Air Supply
- Characteristics: Some air compressors use oil-free lubrication technology or are equipped with efficient oil-gas separation systems to ensure that the output compressed air is clean and free of oil and impurities.
- Advantages: It meets the needs of industries such as food, pharmaceutical, and electronics, which have high requirements for compressed air quality, avoiding quality problems caused by air contamination or equipment damage.
6. Easy Maintenance
- Characteristics: The overall structure is compact and rationally designed, with key components that are easy to disassemble and maintain, and convenient maintenance passages and observation windows.
- Advantages: It is convenient for daily maintenance and troubleshooting, reducing maintenance costs and time, and improving the maintainability of the equipment to ensure that it remains in good operating condition.