Summary:The traditional method of determining the compressed air requirements of a new plant is to add up the air consumption (m3/min) of all air-consuming eq...
The traditional method of determining the compressed air requirements of a new plant is to add up the air consumption (m3/min) of all air-consuming equipment, and then consider adding a safety, leakage and development factor
In an existing plant, you can tell if the compressed air supply is adequate by doing a few simple tests. If not, estimate how much more is needed.
Generally, the output pressure of the air compressor in the industry is 0.69MPa (G), and the pressure sent to the point of use of the equipment is at least 0.62Mpa. This shows that the typical air compressor we use has an unloading pressure of 0.69Mpa (G) and a barrel loading pressure or system pressure of 0.62Mpa (G). With these numbers (or the unload and load values for a system) we can be sure.
If the cylinder pressure is at the nominal loading point (0.62Mpa(G)) or does not gradually rise to the unloading pressure (0.69Mpa(G)), more air may be required. Always check of course to make sure there are no major leaks and that the compressor unloading and control systems are functioning properly.
If the compressor must work at a pressure higher than 0.69Mpa(G) to provide a system pressure of 0.62Mpa(G), check that the distribution system piping size may be too small, or how much more gas needs to be added to the gas consumption at the choke point, What are the effects of system leaks and how to size air receivers to meetintermittent peak demand.
Oil free air compressor
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