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Condensing steam turbine

Condensing steam turbine

Condensing steam turbines are also called condensing steam turbines. All working steam is discharged into the condenser. The steam turbines are called pure condensing steam turbines. Steam turbines with regenerative extraction steam, except for regenerative extraction steam, all other steam enters the condenser. The steam turbine is called condensing steam turbine.

Single-cylinder, impulse condensing steam turbine, combined with boilers, generators and auxiliary equipment to form a complete set of power generation equipment, its regulating stage adopts a new meridian contraction vane nozzle; a post-loading blade type is adopted to effectively reduce the cascade On the basis of the loss, the strength of the blade is increased, and the flow-through part can maintain high thermal and thermal performance during variable operating conditions; the segmentation of the high-pressure part also adopts a shunt blade fence structure; the low-pressure part adopts the application of full three-dimensional technology design The composite curved and twisted blade cascade adopts its own crown blade; the top of the rotor blade is generally equipped with high and low gear steam seals to reduce leakage loss. The above measures have effectively improved the safety, efficiency and performance of the unit.

 

 
Technical parameters of condensing turbine
Model
Rated power
(KW)
Inlet pressure
(MPa)
Rated speed
(r/min)
Inlet temperature
(℃)
Exhaust pressure
(MPa)
Air inflow
(T/h)
Remark
N3-1.275
3000
1.275
5600
320
0.0102
16.1
Pure generator set
N7.5-3.45
7500
3.43
3000
435
0.008
35
N12-3.43-1
12000
3.43
3000
435
0.0068
56
N3-2.35
3000
2.35
5600
390
0.103
16.1
N7.5-4.9/470
7500
4.9
3000
470
0.0067
33