-
Working pressure: 7~13bar 100~190psig Air delivery: 2.5~102m3/min 88~3600cfm Working power: 22~560kw 30~750hp
direct driven -
Working pressure: 7~13bar 100~190psig Air delivery: 0.7~3.8m3/min 25~134cfm Working power: 7.5~22kw 10~30hp
combined -
Working pressure: 6.5~13bar 95~190psig Air delivery: 0.5~102.0m3/min 17.7~3600cfm Working power: 5.5~560kw 7.5~750hp Frequency range: 40%~100%
VSD -
Working pressure: 6.5~13bar 95~190psig Air delivery: 0.5~102.0m3/min 17.7~3600cfm Working power: 5.5~560kw 7.5~750hp Frequency range: 40%~100%
PM -
Working pressure: 4.0~13bar 58~189psig Air delivery: 9.5~61.9m3/min 335.5~2189cfm Working power: 55~315kw 75~420hp
two-stage -
Working pressure: 7~35bar 100~508psig Air delivery: 5.0~37.0m3/min 177~1310cfm Working power: 37~447kw 50~600hp
portable
Why does Two-stage Screw Air Compressor Energy Saving?
...
Why does Two-stage Screw Air Compressor Energy Saving?
May 19, 2020
After the first-stage compression, the coolant will form a mist-like spray curtain through multiple injection holes on the body, cooling the hot compressed air, which greatly reduces the temperature of the compressed air before entering the second-stage compression stage, and its effect is close to isothermal. Compression process, saving energy required for compression.
Even without interstage cooling, the efficiency of two-stage compression will be much higher than that of single-stage compression. This is because after the first stage compression, the air volume becomes smaller, so the rotor with a smaller diameter can be used in the second stage, and the leakage volume per unit volume is small.
Two-stage compression reduces the compression ratio of each compression, reduces internal leakage from the high-pressure end to the low-pressure end, and improves volumetric efficiency.
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