2026-04-10Views：
The types of air compressors can be classified from multiple dimensions. The following are some of the main classification methods and corresponding types:
classification by working principle:
volume type: By changing the volume of the working chamber to compress gas, including piston type, screw type (such as twin screw air compressor), scroll type, etc.
Power type (or turbine type): through the high-speed rotating impeller to make the gas speed, and then expand the deceleration, the kinetic energy into pressure energy, such as centrifugal air compressor.
Thermal type: Compressing gas through thermal energy conversion, this type is rare in practical applications.
Classified by lubrication method:
oil compressor: the use of lubricating oil to lubricate and cool the compression process.
Oil-free air compressor: avoid the use of lubricating oil to ensure the purity of compressed air, suitable for occasions with high air quality requirements.
By performance:
low noise air compressor: design pay attention to reduce the running noise.
Variable frequency air compressor: The operating frequency can be adjusted according to the demand to achieve energy saving.
Explosion-proof air compressor: suitable for flammable and explosive environment, with higher safety.
Classification by purpose:
power air compressor: mainly used to provide compressed air, conveying gas or increase gas volume.
Air compressor for refrigeration: used in refrigeration systems, such as refrigerators, air conditioners, etc.
Ventilation with air compressor: used for industrial and mining enterprises or civil buildings ventilation.
Special air compressor: air compressor for specific purposes such as sandblasting machine and injection molding machine.
Classification by form:
fixed air compressor: installed in a fixed position, not movable.
Closed air compressor: the whole machine is closed to reduce environmental pollution and noise.
Mobile air compressor: easy to move to different work locations.
In summary, there are many types of air compressors, and the selection of the appropriate air compressor needs to be determined according to the specific application scenario, work requirements and environmental conditions.
When choosing between an oil-free air compressor and an oil-free air compressor, it is actually like choosing a "right-hand man" who must meet the needs of the work and conform to the trend of environmental protection ". Both have their own merits, the key is which is more suitable for your actual needs.
Air compressors are generally not recommended to be placed directly outdoors. The following is a detailed explanation of this problem: the influence of the 1. outdoor environment on the air compressor weather factors: sun and rain: outdoor air compressor is easily eroded by direct sunlight and rain, and long-term exposure may lead to the machine
In the busy world of industry, compressed air is like a powerful heart, powering various industrial processes. However, for those industries that have strict requirements for air quality, such as medicine, food production and precision manufacturing, the purity of compressed air
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The national standard of air compressor oil mainly includes the following standards: the 1. main national standard GB 11120-2011 "screw compressor lubricating oil" formulation basis: based on the National Standards Committee's "screw compressor lubricating oil" standard formulation. Content: Regulations
To deal with the problem of water content in the air compressor gas, the following methods can be adopted: 1. installation and regular inspection of the drain valve at the bottom of the cooler drain valve: a drain valve is usually arranged at the bottom of the air compressor cooler. Once you find water inside the air compressor, you should immediately
The service life of the air compressor oil and gas barrel is affected by many factors, including the material quality, working pressure, working temperature and volume of the oil and gas barrel. Generally speaking, the service life of the air compressor oil and gas barrel is about 2 to 3 years. However, it is also possible to have a useful life of up
As an important equipment in the industrial field, the quality of the screw air compressor is directly related to the production efficiency and the service life of the equipment. Among many brands, the water-lubricated screw air compressor produced by Shanghai Granklin Group stands out for its excellent quality and performance.
Compressed air standards for the mineral water industry mainly relate to the purity, water content and possible microbial contamination of compressed air. The following is a detailed summary of these standards: 1. purity standards Compressed air should be oil-free to ensure that there is no oil in the air flow.
The inspection cycle of the air compressor unit is usually divided into daily inspection, weekly inspection, monthly inspection and every three months inspection. Some enterprises also formulate a more detailed cycle (such as special maintenance every 2000 hours of operation) according to the operation duration. At the same time, according to the equipment type, use environment and health
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