| Used Steam Turbine List | |||
| Serial | Model | Date of manufacture | Amount |
| 1 | N4-1.27（Single-deck）Brand New | 2015 | 1 |
| 2 | N4.5-0.6（Dual-deck） | 2017 | 1 |
| 3 | N3-1.0（Dual-deck） | 2018 | 1 |
| 4 | C25-8.83/0.98（Single-deck）Brand New | 2016 | 1 |
| 5 | B3-3.43/0.7（Single-deck） | 2017 | 2 |
| 6 | N25-8.83 | 2015 | 1 |
| 7 | N3-2.35 | 2006 | 2 |
| 8 | B15-8.83/0.981 | 2010 | 1 |
| 9 | C60-8.83/0.98 | 2013 | 1 |
| 10 | C50-8.83/0.98 | 2007 | 1 |
| 11 | N40-8.83(within 45MW Generator） | 2014 | 1 |
| 12 | N6-3.43 | 2009 | 1 |
| 13 | N15-3.43 | 2012 | 1 |
| 14 | N35-3.43 | 2018 | 1 |
| 15 | N25-3.43 | 2005 | 2 |
Main Technical Data
Parameter | Condition / Detail | Unit | Value |
Product code |
|
| K3791 |
Product model |
|
| B15-8.83/0.981 |
Rated power |
| MW | 15 |
Economic power |
| MW | 15 |
Maximum power |
| MW | 18 |
Rated speed |
| r/min | 3000 |
Rotation direction |
|
| Clockwise (in the direction of steam flow) |
Rated steam inlet pressure and variation range |
| MPa | 8.83 +0.49 / -0.49 (absolute) |
Rated steam inlet temperature and variation range |
| deg C | 535 +5 / -10 |
Inlet steam flow | Rated | t/h | 125.8 |
Inlet steam flow | Maximum | t/h | 148.1 |
Inlet steam flow | Pure condensing | t/h |
|
Extraction I | Rated extraction pressure and adjustment range | MPa |
|
Extraction I | Rated operating-condition extraction temperature | deg C |
|
Extraction I | Rated extraction flow / maximum extraction flow | t/h |
|
Extraction II | Rated extraction pressure and adjustment range | MPa |
|
Extraction II | Rated operating-condition extraction temperature | deg C |
|
Extraction II | Rated extraction flow / maximum extraction flow | t/h |
|
Cooling water temperature | Normal | deg C | 25 |
Cooling water temperature | Maximum | deg C | 33 |
Rated exhaust pressure |
| MPa | 0.981 +0.294 / -0.196 (absolute) |
Feedwater regenerative stages |
|
| 2JG |
Feedwater temperature |
| deg C |
|
Steam rate | Rated operating condition | kg/kW.h | 8.38 |
Steam rate | Pure condensing condition | kg/kW.h |
Parameter | Condition / Detail | Unit | Value |
Heat rate | Rated operating condition | kJ/kW.h | 21415 |
Heat rate | Pure condensing condition | kJ/kW.h |
|
Critical speed |
| r/min | ~4039 |
Bearing-seat vibration at rated speed (full amplitude) |
| mm | <=0.025 |
Shaft-journal vibration at rated speed (full amplitude) |
| mm | <=0.15 |
Moment of inertia |
| kg.m^2 | ~580 |
Turbine body weight |
| t | ~46 |
Maximum component weight during turbine installation |
| t | 15 |
Maximum component weight during turbine overhaul |
| t | 15 |
Rotor weight |
| t | ~7 |
Turbine overall dimensions (above operating platform) |
| m | 5.63 x 3.285 x 2.880 |
Turbine centerline elevation (from operating platform) |
| m | 0.75 |
Maximum cylinder temperature when turning gear stops |
| deg C | 150 |
Maximum rotor temperature when turning gear stops |
| deg C | 150 |
Minimum lifting height |
| m | 5 |
Turning gear speed |
| r/min | ~9 |
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Dongfang Borich Electric Company Ltd. (DBEC)
An international corporation focusing on the manufacturing of main and auxiliary equipment of steam turbines and gas turbines and overall solution of power generation facilities. Our manufacturing bases are located in the city of Deyang, nearby to Chengdu.
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