Selection of air compressor
Time:
2024-10-31
Source:
In front of us, we have explained the compressor selection elements, then the user should be how to carry out the air compressor selection work after understanding these elements.
Purchase method:
When preparing the air compressor to select the machine, first determine the working pressure required by the gas end, add a margin of 1-2 bar, and then select the pressure of the air compressor (the margin is to consider the pressure loss from the installation site of the air compressor to the actual gas end pipeline distance, and the pressure margin is properly considered between 1-2 bar according to the length of the distance). Of course, the size of the pipeline diameter and the number of turning points are also factors that affect the pressure loss. The larger the pipeline diameter and the fewer turning points, the smaller the pressure loss; on the contrary, the greater the pressure loss.
Therefore, when the distance between the air compressor and each gas end pipeline is too far, the main pipe diameter should be appropriately enlarged. If the environmental conditions meet the installation requirements of the air compressor and the working conditions permit, it can be installed nearby at the gas end.
Volume flow selection:
1. When selecting the volume flow of the air compressor, you should first understand the volume flow of all gas-using equipment, and multiply the total flow by 1.2 (that is, amplify 20% of the margin);
2. The new project can be selected according to the flow value provided by the user;
3, to the air compressor equipment suppliers to understand the production of air compressor equipment volume flow parameters for selection;
4, air compressor station transformation can refer to the original parameter value combined with the actual gas situation for selection;
Appropriate selection is beneficial to the user itself and the air compressor equipment. Excessive selection is wasteful, and too small selection may cause the air compressor to be in a long-term loading state or insufficient gas or pressure cannot be used. Cause serious damage to the equipment and greatly shorten the service life of the air compressor equipment.
It is worth noting that under the condition of constant power, when the speed changes, the volume flow and working pressure also change accordingly.
The selection of power is to meet the working pressure and volume flow conditions, the power supply capacity can meet the matching drive motor power can be.
Therefore, the steps of selecting an air compressor are: first determine the working pressure, then set the corresponding volume flow, and finally the power supply capacity
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