JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course objective:

• To obtain knowledge on power generation techniques
• To suggest suitable methods to improve the performance of thermal power plants

Course Outcome

Students will be able to get exposure to different cycles and their working principle

related to thermal power plants.

UNIT - I

Fuels and Combustion: Types of fuels – Coal firing – Pulverization of solid fuels – Fuel handling systems – Coal cycle – Ash cycle – Types of Furnaces – Fluidized Bed Combustion (FBC) – Liquid and gaseous fuels – Byproducts of combustion (simple problems) – Heat of combustion – Combustion temperatures – Stack.

UNIT - II

Steam Generators and Accessories: Steam generators – Classification – Types – High-pressure boilers – Super critical boilers – Steam piping Accessories - Super heaters – Re-heaters – Economizers – Air Preheaters - Pumps and Fans - Types of Condensers – Direct contact condensers - Surface condensers - Feed water heaters – Types – Boiler Makeup – Evaporators - Condensate circulation system – Cooling towers – Types – Wet and dry cooling towers.

UNIT - III

Steam Turbines: Classification – Steam Compounding - Advantages and disadvantages – Governing – Turbine losses – Turbine efficiencies – Turbine materials. Gas turbines: Open and Closed Cycle gas turbines – Design for high temperature - Combined cycles with heat recovery boiler – Combined cycle for power plant – Combined cycle with multi pressure steam - Influence of component efficiencies on cycle performance – IGCC plant.

UNIT - IV

Power Plant Performance: General layout of modern thermal power plants – Components / Equipment in thermal power plant – Coal Mills – Boiler – Draft system – Water pumping system – LP and HP heaters – Turbine – Condenser -– Performance terms and definitions - Performance Evaluation.

UNIT - V

Environmental Aspects Environmental aspects of thermal power plants - Constituents of the atmosphere – Ash and Dust handling - Oxides of Sulfur, Nitrogen and Carbon – Greenhouse effect – Acid precipitation – Particulate matter – Electrostatic precipitators – Thermal pollution.

TEXT BOOKS:

• 1. Power Plant Engineering, P.K.Nag / Tata McGraw Hill.
• 2. Energy Efficiency In Thermal Utilities (Book 2)
• 3. Energy Performance Assessment For Equipment And Utility Systems (Book 4)

REFERENCE BOOKS:

• 1. A course in Power Plant Engineering, Arora and Domkundwar, Dhanpat Rai.
• 2. Power Plant Technology, El Wakil/ Mc Graw Hill.
• 3. Power Plant Engineering, G.R. Nagpal/Khanna Publishers.
• 4. Power Plant Technology, Rajput R19 M.TECH M. TECH. PEES M. TECH. I Year I Sem. (PEES)