2026-04-09Views：
Screw compressor and scroll compressor in the structure, working principle, performance and application, there are significant differences.
the following is a specific comparison of the two:
structure and design:
screw compressor: consists of a pair of parallel, intermeshing male and female rotors (screw), usually the male rotor is the active rotor, the female rotor is the driven rotor.
Scroll compressor: It is mainly composed of two scroll plates opposite to each other. One static plate is fixed and the other moving plate rotates eccentrically around the static plate.
Working principle:
screw compressor: through the rotation of the male and female rotor, the periodic change of the working volume is formed in the casing, so as to realize the compression of the gas.
Scroll compressor: The volume change of the compression chamber is formed by the relative rotation motion of the movable and fixed scroll.
Performance characteristics:
screw compressors: usually have higher efficiency and lower noise. They are capable of handling higher pressures and temperatures and have good part load performance.
Scroll compressor: has the characteristics of high efficiency, low noise and low vibration. In small and medium-sized applications, its compact design and efficient performance give it an advantage.
Scope of application:
screw compressors: widely used in industrial refrigeration, air conditioning and gas compression, especially in large and medium-sized applications.
Scroll compressor: usually used in small refrigeration and air conditioning equipment, such as household air conditioning, small cold storage, etc.
Regarding the water-lubricated oil-free frequency conversion screw air compressor of Shanghai Granklin Group, this product combines the stability of screw compressor and the advantages of water lubrication technology, and has the following characteristics:
high efficiency and energy saving: Using advanced frequency conversion technology, the operating speed of the compressor is automatically adjusted according to actual needs to achieve high efficiency and energy saving.
Oil-free lubrication: The use of water as a lubricant avoids the use of traditional lubricants and ensures the purity of compressed air.
Environmental protection: no need to add lubricating oil, no oil and waste gas pollution, environmentally friendly.
Stable and reliable: high-quality screw design and high-quality materials ensure smooth operation, low noise and low vibration.
Convenient maintenance: simple structure, convenient maintenance, reduce maintenance costs.
In general, screw compressors and scroll compressors have their own characteristics and advantages, while the water-lubricated oil-free inverter screw air compressors of Shanghai Grencklin Group combine a variety of technical advantages to provide users with efficient, Environmentally friendly and stable air compression solutions.
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When it comes to the question of whether an air compressor needs to be added with water, the answer is not static, but depends on the specific type of compressor and the environment in which it is used. Among the many compressor types, the water-lubricated screw air compressor produced by Shanghai Granklin Group is one.
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