The Composition of Twin Screw Air Compressor

Twin screw air compressor is a commonly used air compression equipment, widely used in industry, manufacturing and other fields that require compressed air. This article tells you about its main components and functions.

The Principle of Twin Screw Compressor

The air compressor uses an electric motor to drive the compressor to compress the air, increase the pressure of the air and increase the temperature, and then cool it down through the cooling equipment, and finally store the high-pressure cooled air. The working principle of the air compressor can be divided into the following steps:
Compression process: The air is compressed by the compressor to increase the density and pressure of the air.
Heating process: Due to the energy conversion during the compression process, the air temperature rises.
Cooling process: The cooling equipment cools the high-temperature air and increases the density of the air.
Storage process: The cooled high-pressure air is stored in a gas storage container and released when it is used.

Composition

The twin screw air compressor system can be further refined into the following main parts:

1. Host

The host of the air compressor is the core of the entire unit, including the compression host and its related accessories, such as oil shut-off valves, check valves, etc.
Function
The main function of the main engine is to complete the process of suction, compression and exhaust. That is, through the drive of the motor, the air is sucked in and compressed to produce high-pressure air.

2. Motor

The motor provides power for the main engine, usually an electric motor. Its power and efficiency directly affect the performance and energy consumption of the compressor.
Function

• Provide power

The motor of the twin screw compressor is responsible for converting electrical energy into mechanical energy and providing sufficient rotational force for the compressor head, which enables the compressor head to perform the work of gas compression and raise the air in the atmosphere to the required high-pressure water volume.

• Drive the compressor head

The rotation of the motor is connected to the compressor head of the air compressor through a mechanical transmission system (such as belts, couplings, etc.). This enables the moving parts in the head (such as pistons, screws, etc.) to start working and compress the gas.

• Control operating parameters

The twin screw air compressor motor usually has an adjustable speed function, which can adjust the output speed as needed, thereby controlling the operating parameters of the air compressor, such as compression ratio, flow rate, etc. This helps to adapt to different working conditions and needs and improve the flexibility and efficiency of the system.

3. Frequency converter

In the air compressor system, the main function of the frequency converter is to adjust the speed of the air compressor motor to achieve precise control of the air compressor output flow and pressure.
Function
Speed ​​control: The frequency converter can adjust the speed of the motor by changing the power supply frequency and voltage.
Energy efficiency optimization: The frequency converter can adjust the speed of the motor according to the actual load demand, thereby reducing energy consumption.
Smooth start: Through the frequency converter, the twin screw air compressor motor can achieve smooth start and stop, reducing the impact and stress of the motor and mechanical system.
Precise pressure control: The frequency converter allows precise control of the air compressor output pressure.
Reduce peak current: At the moment of starting, the motor needs a large current to overcome resistance and start rotating.

4. Cold dryer

By cooling and cooling, the compressed air reaches the specified temperature and humidity.
Function

• Prevent corrosion of pipes and equipment;
• Prevent condensation and dew;
• Maintain air system performance.

5. Filter

Filter the air inhaled by the compressor. This filtration mainly refers to filtering solid particles such as dust and debris in the inhaled air.
The filter of the air compressor is generally a five-stage filter, consisting of 5 filter elements, and the five levels of filter elements are C, T, A, X, and F.
Function

Filter dust in the air to ensure the purity of the compressed air to avoid premature wear of the compressor meshing and prevent the oil filter and oil-gas separator filter element from being blocked.

6. Air storage tank

Store the cooled compressed air in preparation for the next step of use.

Precautions for Using Twin Screw Air Compressors

When using air compressors, pay attention to the following aspects:
1. Regularly check and maintain the air compressor to ensure its normal operation and safe use.
2. Pay attention to safe operation to avoid accidents caused by operating errors.
3. Reasonably select and configure air compressors to meet work needs and avoid energy waste.
4. Pay attention to the noise and vibration of the air compressor, and take corresponding noise reduction and protection measures.
5. For air compressors that need to add cooling lubricants under special working conditions, the lubricants need to be replaced regularly, and pay attention to the working environment temperature.
6. Clean the air compressor regularly, remove dust and impurities, and keep the equipment in good working condition.
7. For air compressors that have been out of service for a long time, system inspection and maintenance should be carried out before restarting to ensure their normal operation.

Summary

The above components together constitute a complete twin screw air compressor system. Each part plays an important role in the system to ensure the efficient, stable and safe operation of the compressor.

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