Power plant basics ic engines, boiler and turbine (hfo plants)

IC Engine & Heat recovery
power generation
Presented by Harun Bhuyaan Technical Seminar in PETA,
United International University, Bangladesh
By- Harun Bhuyaan, MBA.
-Marine Chief Engineer and O&M Expert in Power Generation.

Internal Combustion Engine
• Combustion
Presented by Harun Bhuyaan
Technical Seminar in PETA, United International University,
Bangladesh

Internal/ External

Internal
Reciprocating RotaryPresented by Harun Bhuyaan Technical Seminar in PETA,

Internal-External
Gas/ Steam Turbine- Combined cycle

Examples of IC and EC engines
• Gas/Steam combined cycle power plant
• Coal powered
• Gas Engines (reciprocating)
• Diesel Engines (HFO/ LFO)

4stroke/ 2stroke

2 Stroke Cycle diagram

4 stroke cycle diagram

Simple 4 stroke cycles

4 stroke

IC Engine- Components

Engine component animation- courtesy RR

Engine Block and oil sump

Crankshaft

Connecting Rod

Cylinder Liner & Piston

Cylinder Head

Camshaft and valve tappets

Fuel injection pump and Injector
1) Injector
2) Accumulator
3) HP-pump
4) Shielded HP-pipes
5) Drive cam

Engine Operation Systems
• Charge Air and Exhaust Gas
• Fuel
• Lubricating Oil
• Cooling Water
• Compressed Air

Charge air system
(1) Charge air filter
(2) Charge air silencers
(3) Turbochargers
(4) Charge air coolers
(5) Receiver & pulsation damper

Charge air system
Remove dust & impurities from
charge air in different stages parts
are bellows.
 Wire mesh.
 Weather louver.
 Multi duty panel.
 Chevronet filter.
Charge air filter

Charge air system
Charge air filter

Charge air system
Charge air silencers
Reduce sound pressure
level approx 120 dB(A) to
35 dB(A)

Charge air system
Turbocharger

Charge air system
Charge air cooler/ Heat Exchanger
Approx 150 to 55 degrees

Exhaust system
 SPEX.
 Wastegate.
 Exhaust gas silencer and stack.
 Exhaust gas boiler.
 3-way damper
 Exhaust gas ventilation unit.
 TurbochargersPresented by Harun Bhuyaan Technical Seminar in PETA,

Exhaust system
SPEX

Exhaust system
Wastegate

Exhaust system
A flue-gas stack is a type of
chimney, a vertical pipe,
channel or similar structure
through which Combustion
product gases flue gases are
exhausted to the Outside.

Fuel system

Lube oil system
(1) Circulation pump
(2) Pre-lubrication pump
(3) Oil cooler
(4) Temperature control valve
(5) Automatic filter
(6) Centrifugal filter

Lube oil system

Lube oil system
Temperature
control/Thermostat valve
A temperature control valve
directs the lubricating oil to the
cooler according to the
temperature of the oil.

Cooling water system
(1) Water pump
(2) Charge air coolers
(3) Lubricating oil cooler
(4) Temperature control valve
(5) Radiators
(6) Expansion vessel
(7) Preheating unit

Water volume
Function

Engine starting system
1 .Blocking device
2. Main starting valve
3. Flame arrester
4. Safety valve
5. Starting valve
6. Starting air distributor

Compress air system
(1) Starting air unit
(2) Starting air vessel
(3) Instrument air unit

Waste Heat recovery Boiler(EGB)

Turbine cycle

Super heater
Condenser
Steam Drum
Evaporator
Dearator tank
Turbine
Turbine inlet
Feed Water Pump
LCV 300
Preheater
GVC
CEP
LCV 301
Condenser
Hotwell level
Economiser
Super Heater Out Temp.
350 – 390oc
Common HeaderCooling water inlet
Desuperheater
Temp. 360-370Oc

Power plant basics ic engines, boiler and turbine (hfo plants)

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