Equipment air consumption and air compressor selection

Q: Equipment gas consumption and air compressor selection?

Answer:

according to the equipment gas selection air compressor first consider two points:

1. For the problem of pressure, you need to understand the normal pressure range of all equipment, take the maximum and minimum values, and then increase the pressure by 1kg according to the maximum value to select the air compressor.

(Considering the pressure loss and pipeline pressure loss of the air compressor post-treatment equipment)

2. For the problem of gas consumption, understand the rated gas consumption Q of all gas-consuming equipment, accumulate, understand the simultaneous startup rate of the whole process A%, and then use Q * a% to obtain the demand Q1, then consider the backup machine of the air compressor and the problem of increasing gas consumption in the later period, and increase the allowance by 10% to 20%, which is the exhaust volume of the air compressor to be deployed.

Recommendation: Open two and prepare one

if the required gas volume is 75 cubic meters, then buy three 40 cubic meters of air compressors and open two for one.

If the required gas volume is 375 cubic meters, then buy 6 air compressors of 100 cubic meters and open 4 for 2.

If you only need 5 cubic meters of air and supply air for up to 8 hours a day, you can buy a 6-7 cubic meter.

The air volume of the air compressor is calculated in cubic meters per minute (m & sup3;/min).

Therefore, you can calculate the amount of gas used per minute according to the amount of gas used.

Selection Guide for Air Compressor Selection of Working Pressure (Exhaust Pressure) When the user is preparing to purchase an air compressor, first determine the working pressure required at the air end, add a margin of 1-2 bar, and then select the pressure of the air compressor (consider the pressure loss of the pipeline distance from the installation site of the air compressor to the actual air end, and appropriately consider the pressure margin according to the distance between 1-2 bar).

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.

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