1MW Back Pressure Steam Turbine Generator Unit

1              

Model  

B1.0-2.1/0.15

2              

Rate   power / KW

1000

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

            1    

Cylinder  

1

            2    

Nozzle   set

1

            3    

Turn   guide ring

1

            4    

Steam   seal

2

Front   and rear steam seal

            5    

Front bearing   base

1

            6    

Rear bearing   base

1

            7    

Turbine   rear bearing

1

            8    

Radial   thrust front bearing

1

            9    

Large   gear front bearing

1

          10  

Large   gear rear bearing

1

          11  

Front   frame

1

          12  

Critical   interrupter

1

          13  

Emergency   breaker throttle

1

          14  

Axial   displacement interrupter

1

          15  

Magnetic   circuit breaker

1

          16  

Two   half shell

1

Turbine   end coupling housing

          17  

Generator   end coupling housing

1

          18  

Gearbox

1

          19  

Main shaft   assembly

1

          20  

Complex   speed impeller blade

1

          21  

Turbine   end coupling

1

          22  

Generator   end coupling

1

          23  

Involute   gear reduction device

1

Including   bearing

          24  

Main   valve

1

          25  

Governor  

1

          26  

Synchronizer

1

          27  

Adjusting   steam valve and connecting rod

1

          28  

Front   steam pipe

1

          29  

Rear   steam pipe

1

          30  

Regulated   throttle check valve

1

          31  

Hand   pump

1

          32  

Electric   oil pump

1

          33  

Main oil   pump

1

          34  

Oil injector

1

          35  

Oil pipeline

1

With   oil cooler, oil filter, electric oil pump

          36  

Steam   seal cooler

1

          37  

Oil cooler

1

          38  

Oil filter

1

          39  

Foundation   bolt M30×800

12

          40  

Diagonal   horn 80×150

48

          41  

Thermal   control cabinet

1

          42  

Instrument   cabinet

1

          43  

Water pump

1

          44  

Spare parts   and tools

1

1

Pressure   Transmitters

WIDEPLUSK1A1S1G1FED₂G₂G21（0～4.0   MPa）

1

Inlet pressure

2

Pressure   Transmitters

WIDEPLUSK1A1S1G1FED₂G₂G16（0～0.6   MPa）

1

Axial displacement oil pressure

3

Pressure   Transmitters

WIDEPLUSK1A1S1G1FED₂G₂G14（0～0.25   MPa）

1

Lubricating oil pressure

4

Pressure   Transmitters

WIDEPLUSK1A1S1G1FED₂G₂G17（0～1.0   MPa）

1

Pulse oil pressure

5

Pressure   Transmitters

WIDEPLUSK1A1S1G1FED₂G₂G17（0～1.0   MPa）

1

Main oil pump outlet oil pressure

6

PT100

WTYY-1021  Adjustable depth  200mm   

M27×2—100℃

1

Thrust pad temperature

7

1

Front bearing temperature

8

1

Rear bearing temperature

9

1

Gear box high speed axle front tile

10

1

Gear box high speed shaft rear tile

11

1

Gear box low speed shaft front tile

12

1

Gear box low speed shaft rear tile

13

Thermocouple

WRN-230  K   L=300mm    depth   80mm

M27×2—600℃

1

Steam inlet temperature

14

Bimetallic   thermometer

WSS-411 depth   200mm M27×2—400℃

1

Exhaust steam temperature

15

Bimetallic   thermometer

WSS-411 depth   40mm  M27×2—100℃

1

Oil cooler inlet oil temperature

16

Bimetallic   thermometer

WSS-411 depth   40mm M27×2—100℃

1

Oil cooler outlet oil temperature

17

Magneto   resistive speed sensor

SZCB-01 M16×1 length 100mm

3  

Speed  

18

Level   Transmitter

WIDEPLUS-LG1S1FA1F2D5H

media：0.83g/cm³  temp：70℃

range：800mm

1  

Tank level

19

Pressure   gauge

500/7D 0.005~0.25 MPa   0814400

1

Lubricating oil pressure

20

Pressure   gauge

Y-100   （0～1.0 MPa）    M20×1.5 

1

Exhaust pressure

21

PT100

WTYY-1021 depth 40mm  M27×2—100℃

1

Lubricating oil temperature

22

Control   cabinet

2000×800×600

1

Control cabinet