1.5MW Back Pressure Type Steam Turbine Generator Unit.

1              

Model  

B1.5-2.1/0.15

2              

Rate   power / KW

1500

3              

Inlet   pressure / MPa（absolute pressure）

2.1

4              

Inlet   temperature / ℃

300

5              

Exhaust   pressure / MPa（absolute pressure）

0.15

6              

Exhaust   steam temperature / ℃

120

7              

Inlet   flow at rated power （t/h）

15

8              

Heat   consumption

15.00kg/kw.h

9              

Efficiency  

0.55

10        

Rated   speed (r/min)

3600

11        

Rotation   direction

Clockwise   from the turbine to the generator end

12        

Main material

Cylinder

ZG20CrMoA

Blade

1Cr13

Impeller

35CrMoA

Main shaft

35CrMoA

Front and rear bearing housing

HT250

Steam valve assembly valve housing

ZG20CrMoA

13        

Inlet/outlet   steam pipe diameter (inside diameter)

150/350

14        

Overspeed   protection

Three-selection   two automatic overspeed protection + mechanical flying hammer type emergency   interrupt protection device

15        

Overspeed   protection action speed r/min

The hydraulic is   adjusted to 1.1 to 1.12 times the rated speed, and the electrical is 1.1   times of the rated speed.

16        

Overspeed   protection response time / s

＜1

17        

Adjustment   method

Full hydraulic

18        

Steam seal form

Comb-type   steam seal

19        

Full-load   running vibration value / mm

≤0.05

20        

Noise   level / dB

≤90

21        

Unit   continuous running time / h

≥8000

22        

Maximum   axial displacement / mm

0.5

23        

Bearing   form

Sliding   bearing

24        

Bearing   alarm temperature / ℃

75

25        

Maximum   temperature of lubricating oil / ℃

55

26        

Lubrication   method

Force

27        

Cranking device

Manual

28        

Basic structure

Single-layer   layout, steam turbine and dragging equipment are split bases

29        

Generator type

Synchronous   generator

30        

Voltage

380

31        

Generator output

3 phases

32        

Ambient   temperature

40℃

33        

cooling method

Air cooling

34        

Insulation level

H grade