The impact of gas components on screw compressors
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A certain analytical gas compressor is of the screw type; its gas composition is typically 50% hydrogen and 50% nitrogen. On occasion, it experienced high inlet pressure and low outlet pressure, resulting in the inability of the unit to produce sufficient flow rate. After continuous problems, adding a nitrogen supply unit at the inlet restored normal operation. May I ask how gas composition affects screw compressors?
A difference in density will definitely affect the normal operation of the unit.
The molecular weights are different; the molecular weight of hydrogen is 2, while that of nitrogen is 28. If both account for 50%, the average molecular weight will be 15
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