Boiler Design Principles Course Timetable

Day 1 (goto Day 2, Day 3)
8:30-9:00am	REGISTRATION
9:00-10:00am	Introductory Concepts
	Introduction to Lecturer
	Course Objectives & Course Structure
	Basic Terminology, Etc
10:00-10:15am	BREAK
10:15-11:15am	HEAT TRANSFER BASIC CONCEPTS
	Forced convection
	General case
	Flow through tubes
	Flow through non-circular passages
	Flow across tube banks
	Overall heat transfer co-efficient theoretical basis
	Log mean temperature difference
11:15-11:25am	BREAK
11:25-12:30pm	HEAT TRANSFER (continued)
	Heat Exchangers
	Extended surfaces
	Construction
	Shell and tube
	Heaters in gas ducts
	Pressure drops in heat exchangers
	Flow through tubes
	Flow across tubes
	Radiant heat transfer
	Basic Concepts
	Normal and oblique radiation
	Exchange of radiation between surfaces
	Basic principles
	Infinite parallel grey surface
	Radiation from flames
	General
	Emissivity of flames
	Absorption co-efficient
	Absorption path or beam length
12:30-1:30pm	LUNCH
1:30-2:15pm	STOICHIOMETRICS OF COMBUSTION
	A Design Engineer's perspective on combustion
	Heat to steam (thermal duty)
	Stoichiometric analysis of the combustion process
	Iterating on the back-end temperature
	Gross thermal efficiency of the boiler
	Calculation of the flue gas, flue and combustion air flows
2:15-2:25pm	BREAK
2:25-3:15pm	HEAT TRANSFER BOILER PROCESSSES
	Heat transfer principles
	Heat transfer process
	The overall heat transfer co-efficient concept
	Heat transfer configurations
	Counter-flow parallel flow
	Cross-flow evaluation techniques
	Boiler surfaces
	Parallel-flow
	Counter-flow
3:15-3:30pm	BREAK
3:30-4:15pm	BURNER CONCEPTS
	Burner types and application
	Swirl burners
	Critical design criteria
	The swirl burner
	Modelling Parameters
4:15-4:20pm	BREAK
4:20-5:00pm	CASE STUDY: BOILER CIRCULATION DEFECTS

Day 2
9:00-10:15am	CIRCULATION IN WATER-TUBE BOILERS
	Circulation Theory
	The circulation path
	Circulation Ratio
	Assisted-circulation boilers
	Once through boilers
	Layout of heating surface
10:15-10:30am	BREAK
10:30-11:30am	CIRCULATION (continued)
	Pressure changes in circulation path
	Friction pressure drop
	Pressure drop due to acceleration
	Static pressure in risers & downcomers
	Point of commencement of boiling
	Water content and drum level (shrink and swell)
	Bubble Slip
11:30-11:40am	BREAK
11:40-12:30pm	BOILER DYNAMICS
	An analysis of the fundamental processes behind the basic mechanisms which occur on the water side of a steam generator. Topics include:
	Drum water level
	Heat storage in a boiler
	Heat storage and evaporation rate
	Pressure changes and steam accumulation
	Combined behaviour of single boiler and steam system
	Parallel operation of boilers
	Oscillation of boielr plant
12:30-1:30pm	LUNCH
1:30-2:30pm	BOILER DESIGN PRINCIPLES
	The furnace sizing techniques:
	Gas and Oil
	Pulverised coal
	Grate firing wood and coal
	Furnace performance evaluation:
	The effective surface method
	Stefan-Boltsman method
	Radiant superheaters
	Initial radiation to convection pass
2:30-2:40pm	BREAK
2:40-3:30pm	BOILER DESIGN PRINCPLES (continued)
	Superheaters:
	The design life concept
	Metal temperature evaluation
	Material selection
	Boiler Banks
	Back-end heat recovery:
	Economisers:
	Steam blanketing
	Carry-over
	Airheaters
3:30-3:45pm	BREAK
3:45-4:30pm	CASE STUDY: BOILER VIBRATION
4:30-5:00pm	TUNE-UP PROGRAM

Day 3
9:00-10:15am	BOILER CONTROLS
	Normal running condition
	Functional objectives of operation
	Detailed understanding of plant operation
	Physical characteristics of plant and system
	Steam and water systems
	Combustion systems
	Rotating machines
10:15-10:25am	BREAK
10:25-11:30am	BOILER CONTROLS (continued)
	Principal closed loop controls:
	Master pressure controller
	Air/fuel ratio
	Furnace Draught
	Superheaters
	Reheaters
11:30-11:40am	BREAK
11:40-12:30pm	BOILER CONTROLS (continued)
	Drum level controllers:
	Single element
	Two element
	Three element
	Cross limit combustion control
	Multiple boiler pressure control
12:30-1:30pm	LUNCH
1:30-2:30pm	BOILER DIAGNOSTICS
	Common problems encountered with boiler plant
	Circulation problems
	How to identify them
	How can you fix them?
	Combustion driven noise and vibration:
	How do you analyse them?
	How can they be rectified?
	Excessive back-end corrosion
2:30-2:40pm	BREAK
2:40-3:15pm	BOILER DIAGNOSTICS (continued)
	Causes of poor combustion
	The boiler can't make M.C.R:
	Common causes
	What to look for
	Pulverised coal:
	Special problems and considerations
3:15-3:30pm	BREAK
3:30-4:00pm	CASE STUDY: BOILER TUBE FAILURES
	Examples and Causes
4:00-5:00pm	TUNE-UP PROGRAM
	An opportunity for the instructor to provide assistance on selected problems
	from patrons at the seminar

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