STEAM TURBINE WITH ALTERNATOR

Category: Online Bidding

  • Added January 21, 2020
  • Views: 106,761
  • LOT: 3314
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Description
NO DESCRIPTION
STEAM TURBINE
  Technical Data
1 Turbine Code WT 8442
2 Turbine Type NK 32/45
3 Design Multi Stage Steam Turbo Alternator, Condensing type, Reaction design
4 Driven Machine Generator
5 Rated Output 6.0MW
6 Manufacturer Hangzhou Steam Turbine Co.Ltd.
7 Country of Origin China
8    Direction of Rotation  
      8.1 Steam Turbine CCW (viewed from Turbine to Generator)
  8.2 Generator CW (viewed from Turbine to Generator)
     9       Flange Size  
  9.1 Steam Inlet Nozzle 160mm
  9.2 Exhaust Nozzle 400
  Auxiliaries Equipment  
10 Speed Governor  
  10.1 Type Oil Relay type with Governor Motor
  10.2 Model Woodward 505 Digital Governor
  10.3 Adjustable Speed Range 105 – 95% of rated speed
  10.4 Speed Regulation 4% as drop
  10.5 Max. Speed Rise Less than over – speed setting
  10.6 NEMA Class D
11 Over Speed Governor  
  11.1 Type Mechanical Eccentric Trip Weight
  11.2 Tripping Speed 110 +- 1% of Rated Speed
12 Governor Valve Type Bar Lift and Multi Valve Type
13 Turning Device Type Electric AC motor driven, worm gear reduction, Manually engaged and automatic disengagement type
14 Oil Reservoir  
  14.1 Type Steel plate fabricated type
  14.2 Full capacity Min. 3 minutes of normal required flow
15 Main Lub Oil Pump  
  15.1 Type Gear type, driven by shaft end of the reduction gear
  15.2 Capacity Min. 1.1 times of required lube oil flow
  15.3 Discharge pressure 10.8 bar. G
16 Auxiliary Lube Oil Pump  
  16.1 Type Gear type, mounted on oil reservoir and driven by AC motor
  16.2 Capacity Min. 1.1 times of required lube oil flow
  16.3 Discharge pressure 10.8 bar G
17 Emergency Oil Pump Type Gear type, mounted on oil reservoir, driven by DC motor

18
Oil Cooler  
  18.1 Type Shell and tube, fixed tube sheet type
  18.2 Cooling water Fresh water
19 Lube Oil Filter  
  19.1 Type Duplex with change-over cock
  19.2 Filtration 200 mesh (76 micron)
20 Control Oil Filter
  20.1 Type Duplex with change-over cock
  20.2 Filtration 20 micron
21   Oil Pressure Adjusting Valve
  21.1 Type Self acting type
  21.2 Setting pressure 1.0 bar G (Lube oil)
    9.8 bar G (Control oil)
  Operating Conditions
1 Turbine speed 8069 RPM
2 Inlet Steam Pressure 48 bar.A
3 Inlet Steam Temperature 415°C

4
Inlet Steam Flow

27,400 Kg/hr
5 Specific Steam Consumption

4.57 Kg/kwhr +- 3%
6 Exhaust Steam Pressure 0.09bar.A

7
Exhaust Steam Temperature 45.8°C
8 Exhaust Steam Flow

27,400 Kg/hr
9 No. of Stages 1+14+SK45
       B        GEAR REDUCER
1 Type Double Helical
2 Manufacturer Flender, France
3 Input Speed 8069 RPM
4 Output Speed 3000 RPM
5 Service Factor 1.3
6 Standard API 613
C AC GENERATOR (BRUSLESS)
1 Manufacturer HTC, Hangfa China
2 Model QF–W6-2
  2.1 Type of Generator Revolving field, salient pole, brushless type synchronous generator
  2.2 Type of Enclosure Totally enclosed closed air circulation
  2.3 Type of Cooling Self-ventilated with water cooled air cooler arranged on the top of generator frame, IC81W
  2.4 Nos. and type of bearing Double bearings
  2.5 Lubrication Forced lubrication
  2.6 Type of coupling Rigid coupling
      3         Ratings  
  3.1 Capacity 6,000 kW
  3.2 Equivalent Power 7,500 kVA
  3.3 Power Factor (% lagging) 80
  3.4 Revolution 3,000 RPM
  3.5 Nos. of Pole 2
  3.6 Nos. of Phase and Wire 3 phase, 3 wire
  3.7 Voltage 11,000 V
  3.8 Frequency 50Hz
     D     SURFACE CONDENSOR AND ACCESSORIES
1 Type Horizontal, shell & tube, fixed tube sheet type
2 Water Box type Single
3 Operating conditions  
  3.1 Condensor top vacuum 0.09 bar. A
  3.2 Condensor flow 27.4 T/hr
  3.3 Condensor water temperature 60°C
  3.4 Cooling water type Fresh water (cooling tower water)
  3.5 Cooling water capacity 1,900m3/hr
  3.6 Cooling water inlet temp. 32°C
  3.7 Cooling water outlet temp. 42°C
  3.8 Cleanness factor 85%
  3.9 Hot well retention time 1 min
  3.10 Shell material Carbon steel plate
  3.11 Tube sheet Carbon steel
  3.12 Tube Aluminium brass
  3.13 Water chamber Carbon steel plate
  3.14 Standard accessories  
  i. Feed water valve 1 set
  ii. Air vent valve for water chamber 1 lot
  iii. Drain valve for water chamber and hot well 1 lot
  iv. Level indicator controller (air operating type) 1 set
  v. Hot well level control  valve (air operating type) 2 sets
  vi. Rupture disc 1 set
  vii. Special tools 1 set
  viii. Min. flow control valve 1 set
      E          STEAM EJECTOR
1 Ejector type 1 stage, single element, steam jet ejector with gland steam ejector
2 Condenser type Common type  for inner & after condenser
       3         Operating conditions  
  3.1 Condenser top vacuum 0.11 bar.A
  3.2 Inlet steam pressure 48 bar. A
  3.3 Inlet steam temperature 415 °C
  3.4 Steam consumption 500 kg/hr (approx..)
  3.5 Cooling water type Condensation water
  3.6 Standard accessories  
  i. Steam inlet valve and injector 1 lot
  ii. Steam strainer 1 set
  iii. Air vent plug for water chamber 1 lot
  iv. Drain plug for water chamber 1 lot
  v. Foundation bolts & nuts 1 lot
  vi. Special tools 1 set
        F      CONDENSER WATER PUMP
    1 Type Horizontal and centrifugal type
    2        Operating conditions  
  i. Medium Condensation water
  ii. Temperature 45.8°C
  iii. Specific gravity 1
  iv. Capacity (max) 28.5m3/hr
  v. Discharge pressure 2 bar. A
  vi. Suction pressure 0.1 bar. A

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