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 Н.2: double-casing turbines for low pressure live steam the turbine is from 1.4 to 2.2 MPa (14-22 kgf/cm2), capacity range is from 60 to 120 MW. The turbine intermediate-pressure casingfeatures straight flow design. It can be welded or welded and forged. The low-pressure casingis made to be double-flow symmetrical with two radial exhausts to the condenser group. The turbine features the possibility to organize single-stage or double-stage controlled heat extraction with a capacity from 100 to 280 Gcal/h.

Characteristics

Values

Main type of the turbine

Bottom-type;

cogeneration / condensing

Basic design feature

Two-casing with a straight steam flow in the intermediate-pressurecasing, LPC has double-flow casing

Steam distribution type

Throttle

Exhaust casing type

Radial

Electricity output range, MW

60-120

Main steam characteristics:

- Pressure, MPa

1.4-2.2

- Temperature, °С

280-400

Capability of steam bleeding for heating:

- Scheme

Controlled steam extraction; Single-stage/two-stage delivery water heating

- Maximum heating load, Gcal/h

100-280

- Steam extraction flow rate, t/h

200-550

Characteristics of the main condenser

- Cooling water flow rate, m3/h

16,000-27,000

- Heat exchange surface area, m2

6,000-12,000

Turbines of this class

К-110-1,6, Т-70/110-1,6 (project)


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Izotin Dmitri
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