EN-3131 - Steam Generators

The expected outcome is that the student... Supports STCW elements...

TOPIC - Basic concepts

  • Explains the properties of steam and how the boiler fits into the steam cycle.
  • Explains the thermodynamic principles and energy transformations involved in the steam generation process.
  • Defines properties and units such as temperature, pressure, BTU, etc.

TOPIC - Combustion theory and heat transfer

  • Explains the theory of combustion with the elements involved and the heat transfers which occur between fireside and waterside.
  • Explains the heat losses which effect boiler efficiency.

TOPIC - Boiler capacity limitations; circulation, end points

  • Explains how the various end points determine the steam generating capacity of a boiler and the effects of water circulation regarding the same.

TOPIC - Superheated steam

  • Explains the benefits of utilizing superheated rather than saturated steam in operating the ships main propulsion machinery.

TOPIC - Design features boilers

  • Explains the design features of water tube and fire tube boilers and the differences between the two relative to construction, operation, safety, etc.

31A6.2.1
31A6.2.3

TOPIC - Modern boiler design and construction

  • Explains how drums, headers, tubes are designed, attached, tested in accordance with industry standards.
  • Calculates the maximum allowable working pressure of the above using ASME codes and USCG Rules and Regulations.

31A6.2.1
31A6.2.3

TOPIC - Boiler refractories

  • List the different types of boiler refractories, their composition and uses.
  • Explains the factors which affect operational life of refractory.

31A6.2.1
31A6.2.3

TOPIC - Internal boiler fittings

  • Describes the various internal drum fittings such as steam separators, feed pipes, etc., and their functions and operation.

31A6.2.1
31A6.2.3

TOPIC - Heat recovery devices

  • Describes the various heat recovery devices such as air heaters, economizers and their applications and operation.
  • Understands the effect of heat recovery devices on boiler efficiency.

31A6.2.1
31A6.2.3

TOPIC - Superheaters and desuperheaters

  • Describes the different types of superheaters; their operational and design characteristics.
  • Describes the different methods utilized to desuperheat steam.

31A6.2.1
31A6.2.3

TOPIC - External boiler fittings

  • Describes the application, construction, operation and maintenance of boiler external fittings such as safety valves, soot blowers, air cocks etc.
  • Describe the USCG and National Board Codes Rules and regulations pertaining to the same.

31A6.2.1
31A6.2.3

TOPIC - Feed water regulators

  • Describes the application, construction, operation and maintenance of the different types of feed water regulators.

31A6.2.1
31A6.2.3
31A6.2.5

TOPIC - Fuel oils and fuel oil systems

  • Describes the origins of fuel oils, the various grades, their chemical composition, and testing procedures.
  • Describes the fuel oil systems relating to shipboard applications.

TOPIC - Fuel oil burners

  • Describes the application, construction, operation and maintenance various types of atomizers and air registers.

31A6
31A6.2.1
31A6.2.3

TOPIC - Combustion

  • States the various fuel elements involved in the combustion process.
  • Explains the importance of efficient combustion; flue gas analysis.

31A6
31A6.2.5

TOPIC - Boiler water chemistry

  • Describes the boiler water contaminants, the testing methods and corrective actions necessary to prevent scale, corrosion, and foaming.
  • Describes the reasons and methods of proper boiler blowdown.

31A6.3.1

TOPIC - Combustion control

  • Understands the operating principles and advantages of automatic combustion control.
  • Understands procedures to change over from automatic to manual control, and vice versa.

31A6.2.5
31A4.5.1

TOPIC - Boiler operation

  • Understands procedures for safe operation of steam boilers, including automatic combustion control systems.
  • Understands means of checking water level in steam boilers, and action necessary if water level is abnormal.
  • Understands other common boiler casualties and the procedures required to correct and prevent damage when they occur.

31A6.2
31A6.2.5
31A4.5.1

LAB - External boiler fittings

  • Inspects external boiler fittings aboard the Cape Bon.
  • Discusses the purpose of the boiler external fittings.

31A6.2.1
31A6.2.3

LAB - Fuel oil system

  • Traces the fuel oil system from settling tanks to boiler and identifies the associated components.

31C1.1.1
31A7.1.3

LAB - Boiler films

  • Discusses the different types of merchant and navy boilers.
  • Discusses methods utilized in the removal and replacement of boiler tubes.

31C1

LAB - Auxiliary Steam Systems

  • Traces and creates a CAD diagram of the auxiliary steam system aboard the TS Cape Bon.
  • Describes the relationship between the different auxiliary steam systems aboard the TS Cape Bon.

31A6.1

LAB - Boiler Light Off

  • Describes the procedures and associated safety precautions required to light off a main propulsion steam boiler.
  • Lines up the fuel oil service system and recirculate fuel to the boiler aboard the TS Cape Bon.
  • Lights off a burner in the furnace of the TS Cape Bon.

31A6.2
31A6.2.2
31A6.3.2
31A6.2.4

LAB - Boiler Simulator I

  • Starts and places on line a steam generator and associated auxiliaries from a dead plant to supplying steam to the turbogenerators and other equipment, using Boiler Simulator equipment.

31A6.2
31A6.2.2
31A6.2.4
31A6.3.2