2026-04-15Views：
The calculation of the gas consumption of the bottle blowing machine should be combined with the working principle of the equipment, production efficiency and actual gas demand to ensure that the capacity of the air compressor matches the bottle blowing process. Granklin water lubricated single screw air compressor can provide reliable air supply for bottle blowing machine by virtue of stable pressure output and oil-free cleaning characteristics. The specific calculation method is as follows:
The bottle blowing machine inflates the preform by compressed air, and the air consumption mainly depends on the following factors:
refers to the volume of compressed air required to inflate a bottle (unit: liters/bottle). This value is usually provided by the bottle blowing machine manufacturer or obtained by actual measurement (e. g. using a flow meter). If it is not possible to obtain accurate data, refer to the experience value of similar equipment (for example, the air consumption of common PET bottle blowing is about 5-15 liters/bottle).
refers to the number of bottles produced by the blowing machine per minute (unit: bottles/minute). If the equipment is multi-station synchronous operation, the total production speed needs to be multiplied by the number of stations (e. g. 4 station equipment, each station produces 10 bottles/min, the total speed is 40 bottles/min).
the total gas consumption (Q, in cubic meters per minute) can be calculated by the following formula:
Q =(N × V)÷ 1000
(Note: 1 cubic meter = 1000 liters, the liter needs to be converted to cubic meters)
the bottle blowing machine usually requires a compressed air pressure of 2.5-3.5MPa (subject to equipment requirements). If the gas consumption is expressed by volume under standard atmospheric pressure (0.1MPa), it shall be corrected according to the actual pressure:
actual gas consumption (Q actual) = Q × (actual pressure ÷ 0.1)
(Example: When the pressure is 3MPa, Q actually = Q× 30)
in order to cope with pipeline leakage, gas fluctuation or future capacity increase, it is recommended to increase 10%-20% margin on the basis of total gas consumption:
recommended air compressor capacity = Q actual ×(1.1-1.2)
granklin water lubricated single screw air compressor can accurately match the gas demand of bottle blowing machine through the following characteristics:
assuming that the bottle blowing machine is a 4-station equipment, each station produces 12 bottles/min, and the gas consumption of a single bottle is 8 liters:
to sum up, the calculation of the gas consumption of the bottle blowing machine should be combined with the production speed, the gas consumption of a single bottle and the pressure requirements, and the appropriate margin should be reserved. Granklin water lubricated single screw air compressor can provide reliable gas source guarantee for bottle blowing process through stable output and oil-free cleaning characteristics.
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