Steam turbines

Classification of steam turbines for CHP
5
10
15
20
25
Давление свежего пара, МПа
50
100
150
200
250
300
350
Мощность, МВт

Class Р.2: single-casing back-pressure turbines featuring reverse steam flow arrangements with the internal casingand inter-casing space. Capacity range is from 50 MW to 120 MW, live steam pressure is from 8.8 to 12.8 MPa (90-130 kgf/cm2). The turbine exhaust is arranged for an industrial header with a capacity from 400 to 700 t/h.

Characteristics

Values

Main type of the turbine

Back-pressure

Basic design feature

Single-casing with reversed flow casing

Steam distribution type

Throttle / nozzle

Electricity output range, MW

50-120

Main steam characteristics:

- Pressure, MPa

8.8-12.8

- Temperature, °С

500-560

Capability of steam bleeding for industrialuse:

- Flow rate, t/h:

400-700 t/h

- Scheme

Non-controlled / controlled steam bleeding

- Guaranteed pressure, MPa

0.8-2.1

Back-pressure

To the industrial header

Turbines of this class

Р-100-12,8/1,5, Р-50-12,8/1,3 (project)


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Izotin Dmitri
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