四川乙烯裂解气压缩机安装说明书.pdf

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‵⁡⁢⁤⁛⁙⁚⁦‒‚⁕‛‒․••‫‒‿›※‒⁆⁧⁤⁔⁡‟⁆⁗⁕⁚⁠⁡‒‵⁡†‒‒ RECIPROCATING COMP.
(2) Comparing to Axial Flow Compressors:
1) Wider stability range
10
2) Higher head per stage
3) Various seal systems to suit handling gas ROTARY COMP.
4) Slightly lower efficiency 5
DISCHARGE PRESSURE (barG)
AXIAL COMP.
1
1 5 10 50 100 500 1000 5000 10000
ACTUAL INLET CAPACITY (Am3/min.)
1
Application range of Centrifugal Compressors
The application range of centrifugal
compressors has expanded, year-by-year, to a
large capacity and high-pressure area, due to 1000
the following reasons: CENTRIFUGAL COMP.
(1977ጚ) Application Range of
1) Increase in the capacity of Ethylene, LNG, 500
Ammonia, Methanol, etc. at plants Various Compressors
2) Increase in discharge pressure for gas CENTRIFUGAL COMP.
injection field (1966ጚ1976)
3) Improvements in compressor technology
100
leading to plant expansions and increases in CENTRIFUGAL COMP.
pressure (1961ጚ1966)