Hydrocarbon Fired Boilers Training

531-01 Combustion Theory

When you complete this lesson, you will be able to explain the different types of fossil fuels commonly used in an industrial setting, and explain some characteristics of the fuels. In addition, you will be able to describe the elements and conditions that must be present in order for the combustion of fuel to take place.

  • Describe the basic chemical composition of fossil fuels
  • Describe how the three elements of the fire triangle and a sustained chemical reaction release stored chemical energy from the fuel
  • Define the following terms as they pertain to combustion:
    • Chemical energy
    • Hydrocarbon
  • Describe the difference between flash point and fire point
  • Describe three types of combustion

531-02 Basic Boiler Design

When you complete this lesson, you will be able to explain why different types of boilers are used for different processes. In addition, you will be able to describe the basic components that make up a firetube and watertube boiler and explain the circulation paths through each type of boiler.

  • Describe the relationship between heating surface and boiler output
  • Describe the difference between package boilers and field erected boilers
  • Describe the differences between firetube boilers and watertube boilers and the applications in which they are used
  • Describe the basic steam and feedwater flow paths through a horizontal-return tubular boiler
  • Describe the basic components that make up a typical watertube boiler

531-03 Boiler Valves and Fittings

When you complete this lesson, you will be able to identify the different types of valves, gauges, and steam traps used in the operation of a steam boiler. In addition, you will be able to explain how these steam fittings are used to safely operate a steam boiler.

  • Identify five types of valves commonly associated with steam boiler operation
  • Describe two types of gauge glasses used in boiler operation
  • Explain the difference between a safety valve and a relief valve and discuss how they are used in steam boiler operation
  • Describe the purpose of a pigtail siphon on a Bourdon tube pressure gauge
  • Describe the purpose of steam traps in conjunction with steam boiler operation and identify the three basic categories of steam traps
  • Describe the purpose of a feedwater regulator and explain how it is used in steam boiler operation

531-04 Boiler Fuel and Air Systems

When you complete this lesson, you will be able to identify the basic equipment found in high-pressure gas systems and fuel oil systems and describe the design and operation of fuel oil burners. In addition, you will be able to describe boiler draft and identify the different equipment used to control draft in a boiler.

  • Identify the location of the furnace within the boiler and describe how fuel and air flow affect the firing rate of the boiler
  • Describe the basic equipment found in high-pressure gas burner systems and explain their operation
  • Describe the basic components found in a typical fuel oil system
  • Describe three types of atomizing fuel oil burners and explain the operation of each type
  • Define the following terms:
    • Draft
    • Forced draft
    • Induced draft
    • Balanced draft

531-05 Boiler Water and Steam Cycle

When you complete this lesson, you will be able to explain the basic components that make up a condensate and feedwater system and describe the flow path through those systems. In addition, you will be able to explain the difference between saturated steam and superheated steam and identify the factors that affect the quality of steam.

  • Describe the following terms as they relate to heat transfer:
    • Radiation
    • Conduction
    • Convection
  • Describe the difference between open feedwater and closed feedwater heaters and identify where each type of heater would be found in the condensate/feedwater system
  • Explain the basic components found in a condensate system and the flow path through the system
  • Explain the basic components found in a feedwater system and the flow path through the system
  • Define the term Quality of Steam
  • Describe the difference between saturated steam and superheated steam

531-06 Boiler Heat Recovery Systems

When you complete this lesson, you will be able to describe the equipment used to recover waste heat in a boiler. In addition, you will be able to describe the basic design and operation of a superheater, economizer, and air preheater.

  • Describe three types of heat recovery equipment
  • Explain the purpose of a convection superheater
  • Explain the purpose of a radiant superheater
  • Describe the purpose of an economizer and the location of the economizer in the boiler
  • Explain the difference between a counter-flow economizer and parallel flow economizer
  • Explain the purpose of an air preheater and describe the difference between tubular and regenerative air heaters

531-07 Scrubbers and Ash Removal Systems

When you complete this lesson, you will be able to identify the primary pollutants emitted from fossil-fired boilers. In addition, you will be able to explain the basic design and operation of baghouses, electrostatic precipitators, and scrubbers.

  • Describe three harmful pollutants found in flue gas
  • Describe the difference between bottom ash and fly ash
  • Explain the basic equipment used to remove bottom ash from a boiler
  • Explain the basic equipment used to remove fly ash from a boiler
  • Explain the purpose of a baghouse and describe its basic operation
  • Explain the purpose of an electrostatic precipitator and describe its basic operation

531-08 Boiler Operator Roles and Responsibilities

When you complete this lesson, you will be able to explain the work environment a boiler operator is subject to and describe the primary responsibilities of a boiler operator. In addition, you will be able to describe the basic rounds and routines an operator completes during their shift.

  • Describe the typical boiler operator shift schedule
  • Describe the general work environment boiler operators tend to work in
  • Explain the basic rounds and routines that boiler operators make during a typical shift
  • Describe some of the common tasks performed during boiler startup and shutdown