2026-04-09Views：
Oil-free screw air compressor is through pure water to lubricate the unit, cooling compressed air. Therefore, the quality of the gas compressed by the oil-free screw compressor is higher.
As everyone knows, in fact, the oil-free screw air compressors that everyone sees in ordinary work are also equipped with post-processing equipment. Why is this?
Many customers are more confused.
In general, the key to the post-processing equipment that we often say includes gas tanks, dryers, precision filter equipment, etc. As we all know, there will be dust, water, impurities and other air pollutants in the general compressed air. The role of post-installation treatment is to filter out such air pollutants. The role of this post-processing equipment is not the same. The following is a detailed explanation of the efficacy of each post-processing equipment.
1. Precision filter
its function is to filter out air pollutants such as dust, water, and various floating solid particles in the air.
2. Gas tank
(1) Store compressed air.
(2) buffer working pressure, oil-free screw air compressor installation tank can make the gas source pressure to maintain a certain range, so the compressed gas pressure will be relatively stable, not prone to great fluctuations.
(3) Cooling air, compressed air is generally at a higher temperature, and high-temperature compressed air will produce condensed water after refrigeration in the air storage tank, so the water in the air storage tank must be discharged on time.
(4) Maintenance of the air compressor. After a certain amount of gas is stored in the air storage tank, the air compressor will automatically stop, which can reduce the frequent start and stop of the generator set and the loss of various components. In addition, it can also prevent the unstable gas source from damaging the gas equipment.
3. Dryer
the key function is to remove the moisture in the compressed air. There are two key types of dryers in the market: refrigerated dryers and suction dryers. Generally, there are more customers who use refrigerated dryers.
This is why the oil-free screw air compressor must also be equipped with post-processing equipment. How to choose the size of the post-processing equipment, you can consult the corresponding salesman.
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