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Extraction steam turbine

Extraction steam turbine
The extraction steam condensing steam turbine uses the adjustment of extraction steam as the boundary of high and low pressure parts. The high-pressure part has a double-speed stage, and is equipped with a suction port and a steam return port. The low-pressure part is composed of a regulating stage and six pressure stage impellers. The air valve opening of the high and low pressure parts is controlled by the 505E regulator to realize the autonomous adjustment of the heat supply load.
 
 
Technical parameters of exhaust steam turbine unit
 
 
Model
Rated power
(KW)
Inlet pressure
(MPa)
Rated speed
(r/min)
Inlet temperature
(℃)
Exhaust pressure
(MPa)
Extraction pressure
(MPA)
Suction volume
(T/h)
C6-4.9/0.98-1
6000
4.9
3000
470
0.0045
0.98
30
C6-3.43/0.49
6000
3.43
3000
435
0.005
0.49
45
C15-3.43/0.98
15000
3.43
3000
435
0.008
0.98
60-80
 
 
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