Compressed air is the main source of power in today's production industries, and the compressed air system of an air compressor is very important for production enterprises. The correct use of compressed air system purification equipment dryers and filters, can improve the life of the pneumatic control system, reduce the control system failure and failure, to improve the efficiency and economic benefits is of great significance.

In the air pressure system, the air processed by the compressor can not be used directly, must be purified through the dryer filter, before being put into the air equipment. The role of the compressed air filter in the air pressure system is to remove liquid water, dust, oil, dust and other impurities in the compressed air.

Compressed air filter selection method: choose the type of filter. According to the different objects of filtration, choose different types of filters. For example, the filter at the front of the dryer shall choose the primary filter to filter the liquid water, oil and impurities in the compressed air; the filter installed at the back end of the dryer shall choose the high-precision filter to filter the dust in the compressed air.

According to the required processing air flow QV (converted to the standard state) to choose the corresponding specifications of the filter. The relationship between the rated flow rate QO of the selected filter and the actual processing flow rate Qr should be as follows: Qr≤QO. Technical parameters of compressed air filter: In determining the compressed air filter, the general practice is to identify a reliable supplier, then list the required performance and allow the manufacturer to choose the ordering method (filter size, surface area, structure, design, etc.).

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