Selection of air compressor specifications

Once you determine the gas volume (m3/min) and pressure (Mpa(G)) requirements for the plant, you can select the specifications of the air compressor.
Factors you may want to consider when choosing include:
What is the current gas consumption? What is the gas consumption after the expansion of the factory? In general, the annual growth rate of gas consumption is 10%. Do you consider using special manufacturing processes and tools in the future?
The ideal way to do this is to set the specifications for rotary screw compressors and centrifugal compressors to ensure normal operation in the modulation and regulation control range.
The specifications defined by the single-acting air-cooled reciprocating air compressor are guaranteed to be 30 to 40% of the unloading time based on the constant speed control system.
Water-cooled reciprocating air compressors can operate continuously, but the selection is best considered with 20 to 25% buffering or unloading time.
Study the performance characteristics of various types of air compressors to estimate the cost of power to determine which is the best choice to meet your plant's current and future requirements.
Is the leak serious at the factory?
Is it necessary to build a leakage plan so that it can eventually reduce the load on the compressed air system?
Are you satisfied with the operation, maintenance, installation and performance characteristics of the selected air compressor?
Have you considered the quality requirements of compressed air when choosing an air compressor and its additional equipment (such as dryers and filters)?
How does the additional equipment affect your choice of air compressor?
Have you considered the amount of backup air in the event of a main air compressor failure?
Does each shift require the same amount of compressed air? What is the operating condition of the selected air compressor when the gas consumption is low?
It may be necessary to consider using a smaller air compressor in order to save energy and avoid excessive circulation and wear of the main air compressor.
Does the plant have unusual intermittent peak load requirements that need to be considered

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