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PRESENTED BY- VIKAS 
EI- 4TH YEAR 
1205232912
 NTPC DADRI AT GLANCE 
 UNIQUE FEATURES OF NTPC DADRI 
 INTRODUCTION TO THERMAL POWER PLANT 
 BLOCK DIAGRAM OF THERMAL POWER GENERATION 
 INTRODUCTION TO COAL HANDLING PLANT 
 BOILER SECTION 
 TURBINE SECTION 
 GENERATION SECTION 
 ASH HANDLING PLANT
TOTAL CAPACITY OF DADRI POWER PLANT :- 
(A) THERMAL 
I) 04X210 MW = 840 MW 
II) 02X490 MW = 980 MW 
TOTAL = 1820 MW 
(B) GAS = 817 MW 
(C) SOLAR = 05 MW 
GRAND TOTAL= 2642 MW
 Largest gas station in the country (Operated by central 
govt in western region) 
 Largest dry ash handling plant in Asia (Dry ash 
disposal technique) 
 Only power station in the country housing both coal 
based and gas based units 
 Largest switchyard in country with power handling 
capacity of 5300 MW
Some Prefer to use the term as Energy Centre. 
A Thermal Power station consist of all equipment 
and subsystem required to produce electricity. 
 It uses a steam generating boiler fired with fossil 
fuels to drive an electric generator. 
 It convert a form of energy like nuclear energy, 
gravitational potential energy or heat energy into 
electric energy.
BLOCK DIAGRAM OF POWER GENERATION 
Water 
Boiler 
Steam Turbine Generator 
Ash 
coal
Following are the sections of a coal based thermal power plant: 
Coal handling plant 
Boiler section 
Turbine section 
Generator section 
Transmission and distribution 
Ash handling plant
 Section of the power plant which takes care of the 
required coal in the plant. 
 Coal handling plant is automatic feeding of coal to 
the boiler furnace. 
 It consists of the following components: 
 Coal wagons 
 Coal conveyer 
 Coal bunkers 
 Coal pulveriser
 It is responsible to convert the water into steam. 
 It is consist of following parts:
210 MW Boiler: Water and Steam Circuit 
Platen SH. 
375C-425C 
Final SH. 
500-540C 
LTSH 
330-375C 
Economizer 
240-310C 
Water Wall 
310C
 Atmospheric air is heated in the air pre-heaters 
 Water passes through Deaerator for removal of 
dissolved gases. 
 then through feed water heater, then from the boiler 
feed pump passes through economizer and reaches the 
boiler drum. 
 Due to heat and density difference the water rises up in 
the water wall tubes. 
 Water is partly converted into steam as it rises up in the 
furnace. 
 This steam and water mixture is again taken to the 
boiler drum, where the steam is separated from water. 
 Flue gases from the furnace are extracted by induced 
draft fan.
BOTTOM RNG HDR & Z-PANEL 1ST PASS W.W 
1ST PASS W.W O/L HDRS ROOF I/L HEADER 
2ND PASS UPPER C-HDR 2nd PASS LOWER C-HDRS 
LTSH I/L HEADER LTSH O/L HEADER 
D.P.I/L HEADER D.P.O/L HEADER 
S.H. HEADER R.H.HEADER 
2ND PASS ROOF O/L HDR(REAR ECONOMISER 
M.S 
H.R. 
H 
C.R.H 
FROM F.R.S
 It is use to convert the steam to mechanical power. 
 It consist of the following components: 
 Steam Turbine-used to convert steam to mechanical power and drives the 
Generator. 
 Control Valves- used to control operating conditions such as temperature, 
pressure, flow etc. 
 Re-heaters-used to pickup more energy to go drive intermediate or lower 
pressure turbines. 
 Condenser-used condensing the steam exhausted from turbine so that this 
water can be reused.
 This is used to convert the mechanical power to 
electrical power. 
 It consists of following components: 
 Generator-used to convert mechanical energy to 
electrical energy. 
 Demineralised water- it is the pure form of water 
which don’t contain any sort of mineral.
 It takes care of the ash generated due to the 
combustion of coal. 
 The percentage of ash in the coal varies from 
about5% to 40%. 
 Power plants generally use average or poor 
quality coal . 
 A modern 2000MW plant produces 5000 tons of 
ash daily. 
 As a result of this the ash produced by a plant is 
pretty large.
Ppt on ntpc dadri created vikas gujjar(IET lko)

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Ppt on ntpc dadri created vikas gujjar(IET lko)

  • 1. PRESENTED BY- VIKAS EI- 4TH YEAR 1205232912
  • 2.  NTPC DADRI AT GLANCE  UNIQUE FEATURES OF NTPC DADRI  INTRODUCTION TO THERMAL POWER PLANT  BLOCK DIAGRAM OF THERMAL POWER GENERATION  INTRODUCTION TO COAL HANDLING PLANT  BOILER SECTION  TURBINE SECTION  GENERATION SECTION  ASH HANDLING PLANT
  • 3. TOTAL CAPACITY OF DADRI POWER PLANT :- (A) THERMAL I) 04X210 MW = 840 MW II) 02X490 MW = 980 MW TOTAL = 1820 MW (B) GAS = 817 MW (C) SOLAR = 05 MW GRAND TOTAL= 2642 MW
  • 4.  Largest gas station in the country (Operated by central govt in western region)  Largest dry ash handling plant in Asia (Dry ash disposal technique)  Only power station in the country housing both coal based and gas based units  Largest switchyard in country with power handling capacity of 5300 MW
  • 5. Some Prefer to use the term as Energy Centre. A Thermal Power station consist of all equipment and subsystem required to produce electricity.  It uses a steam generating boiler fired with fossil fuels to drive an electric generator.  It convert a form of energy like nuclear energy, gravitational potential energy or heat energy into electric energy.
  • 6. BLOCK DIAGRAM OF POWER GENERATION Water Boiler Steam Turbine Generator Ash coal
  • 7. Following are the sections of a coal based thermal power plant: Coal handling plant Boiler section Turbine section Generator section Transmission and distribution Ash handling plant
  • 8.  Section of the power plant which takes care of the required coal in the plant.  Coal handling plant is automatic feeding of coal to the boiler furnace.  It consists of the following components:  Coal wagons  Coal conveyer  Coal bunkers  Coal pulveriser
  • 9.  It is responsible to convert the water into steam.  It is consist of following parts:
  • 10.
  • 11. 210 MW Boiler: Water and Steam Circuit Platen SH. 375C-425C Final SH. 500-540C LTSH 330-375C Economizer 240-310C Water Wall 310C
  • 12.  Atmospheric air is heated in the air pre-heaters  Water passes through Deaerator for removal of dissolved gases.  then through feed water heater, then from the boiler feed pump passes through economizer and reaches the boiler drum.  Due to heat and density difference the water rises up in the water wall tubes.  Water is partly converted into steam as it rises up in the furnace.  This steam and water mixture is again taken to the boiler drum, where the steam is separated from water.  Flue gases from the furnace are extracted by induced draft fan.
  • 13. BOTTOM RNG HDR & Z-PANEL 1ST PASS W.W 1ST PASS W.W O/L HDRS ROOF I/L HEADER 2ND PASS UPPER C-HDR 2nd PASS LOWER C-HDRS LTSH I/L HEADER LTSH O/L HEADER D.P.I/L HEADER D.P.O/L HEADER S.H. HEADER R.H.HEADER 2ND PASS ROOF O/L HDR(REAR ECONOMISER M.S H.R. H C.R.H FROM F.R.S
  • 14.  It is use to convert the steam to mechanical power.  It consist of the following components:  Steam Turbine-used to convert steam to mechanical power and drives the Generator.  Control Valves- used to control operating conditions such as temperature, pressure, flow etc.  Re-heaters-used to pickup more energy to go drive intermediate or lower pressure turbines.  Condenser-used condensing the steam exhausted from turbine so that this water can be reused.
  • 15.  This is used to convert the mechanical power to electrical power.  It consists of following components:  Generator-used to convert mechanical energy to electrical energy.  Demineralised water- it is the pure form of water which don’t contain any sort of mineral.
  • 16.  It takes care of the ash generated due to the combustion of coal.  The percentage of ash in the coal varies from about5% to 40%.  Power plants generally use average or poor quality coal .  A modern 2000MW plant produces 5000 tons of ash daily.  As a result of this the ash produced by a plant is pretty large.