The difference between scroll type and screw type compressor

The scroll type and screw type in the compressor are two different types of compressor technology, and their working principles and structural characteristics are obviously different.

Working principle:

scroll compressor: The working principle of the scroll compressor is to form multiple compression chambers through the relative movement of the movable scroll and the fixed scroll to gradually compress the gas. With the rotation of the orbiting scroll, the gas is sucked into the compression chamber from the periphery, gradually compressed and pushed to the center, and finally discharged from the center.

Screw compressor: Screw compressor is through a pair of screw (male and female rotor) meshing with each other, in the screw tooth groove volume gradually change to compress and transport gas. As the screw rotates, gas is sucked in, compressed and discharged.

Structural features:

scroll compressor: The scroll compressor is composed of a movable scroll and a fixed scroll, and the type lines between the two are meshed with each other. This kind of compressor has the advantages of small size, light weight, high efficiency, low vibration, low noise, long life, simple maintenance and the like. In addition, the energy efficiency of the scroll compressor is relatively high, especially suitable for long-term continuous work occasions.

Screw compressor: The screw compressor is composed of a male rotor and a female rotor, with a certain gap between the two. This kind of compressor has the advantages of simple structure, reliable work, convenient operation, few wearing parts, and low exhaust temperature. At the same time, the screw compressor is not sensitive to the wet stroke and can adapt to the harsh working environment. However, the rotor of screw compressor requires high machining accuracy, which requires professional processing equipment and technology.

Application areas:

scroll compressor: Due to its high efficiency, low noise, long life and other advantages, scroll compressors are widely used in air conditioning, refrigeration equipment, air compressors and other fields. Especially in small refrigeration equipment, the application of scroll compressor is very common.

Screw compressor: screw compressor is often used in large refrigeration equipment, air compressor and industrial gas compression and other fields. Its simple structure, high reliability and ability to adapt to harsh environments make it an important choice in the industrial field.

In summary, there are significant differences between scroll and screw compressors in terms of working principles, structural characteristics and application areas. Which type of compressor to choose depends on the specific application requirements and working environment.