Course Description

Outline the applicable pressure part design codes and explain their influence on boiler, pressure parts sizing, inspection and non-destructive examination ,initiate an effective inspection and maintenance program and minimise forced outages and prevent serious damage to boiler equipment

Course Objective

 

Identify the various types of boilers and use essential terms and understand their key applications

 

Describe the typical characteristics of fuels fired and Perform basic combustion and process calculations

 

Recognise the impact fuels have on the boiler heat transfer surfaces

 

Describe the ancillary equipment associated with steam boiler plants and their integral role in the safety of the boiler, discuss the correct operation, control sequences and procedures for the safe operation of a typical fire-tube boiler plant

 

Provide an overview of the legislative requirements plus the essential steps and responsibilities for the repair of boilers

 

Recognise the importance of and implement the procedures for the protection of a boiler during cold storage

 

Outline the technologies available for the reduction of emission levels and the applicable international legislative controls

 

Identify principles and design concepts governing expert systems for improved boiler plant efficiency

 

Who Should attend?

 

Senior boiler plant operators, repairers, installers, boiler plant construction managers and 
plant engineers

Operation, maintenance, inspection, repair managers, supervisors, engineers

Mechanical engineers, technicians, design engineers and insurance company inspectors

Consulting engineers, Control System Engineers, Instrumentation Engineers and Technicians

Course Outline

 

INTRODUCTION TO STEAM BOILERS FUEL COMBUSTION AND THE STEAM GENERATION PROCESS

 

  Influence of the fuel type on the boiler design operation-

-  Firing appliances and Thermal efficiency

 

BOILER AUXILIARY PLANT

 Water treatment plant and dosing -

 -  Feed water pumps, Valves, steam traps, piping and fans

Economisers and heat recovery equipment -

-  Economisers and heat recovery equipment Economisers and heat recovery equipment Economisers and heat recovery equipment

 

OPERATION AND CONTROLS

Boiler instruments and their purpose -

- Typical P&I diagrams for coal and oil/gas fired units

- Control systems and system operating philosophy

- Operational sequences and procedures

- Typical operational problems, the reason for the problems and ‘ trouble   shooting’

 

PRESSURE CONTAINING COMPONENTS

 Basics to codes calculation theory and assumptions-

- Overview of design parameters for shell, furnace, plates and tubing

Importance of pressure part inspection -

- PLANNING AND MANAGING BOILER MAINTENANCE

- Critical importance of maintenance policies and programs

- Setting up an inspection program

- Types of boiler inspections

- Maintenance information and procedures

- In-house verse Contractor repair maintenance

 

MANAGING BOILER REPAIRS AND MODIFICATIONS

-  When does a boiler repair become a boiler modification?

 Understanding the legislative requirements -

-  Steps to be taken when a ‘defect’ is identified

  The AIA and their inspection points-

 

Storage period and critical preservation steps

  Clearly establishing the storage period-

-  Storage period and critical preservation steps

-  Storage instructions and procedures

-  Consequences of no storage plan

 

EMISSION CONTROLS AND ENVIRONMENTAL CONSTRAINTS

- Types of emissions for different fuels fired

  Methods used for controlling boiler flue gas emissions-

-  Effectiveness of various types of cleaning equipment

-  What emission levels are specified in international standards or legislation?

 

INTRODUCTION to BOILER CONTROL & INSTRUMENTATION

-  Objectives of Boiler Control

  Basic Control loops and their interconnections-

-  Feedforward plus feedback controls

  Cascade/ratio controls-

-  Process Dynamics – generic control response

-  Factors affecting control system or loop applications

 

BOILER FUEL COMBUSTION CONTROLS FOR:

  Liquid Fuels-

  Gaseous Fuels-

-  Solid Fuels both graded and pulverised

-  Combustion Chemistry and products of combustion

-  Stoichometric Air and Excess Air Requirements

 

CONTROL PRINCIPLES AND DESIGN CONCEPTS

-  Boiler Water Level Indicators & Measuring Devices

-  Associated problems and refinements

-  Steam demand and firing rate control relationships

-  Steam demand and firing rate control relationships

Relationship between boiler load and temperature  -

-  Temperature of and strategies for superheated steam

  Measurement of furnace draft-

-  Feedforward/feedback controls

-  Impact of dew point and nitrous oxides & sulphur oxide pollutants

Protection against implosion  -

-  Pros and cons of Measurement methods and gases selected

-  Digital Interlocks within control systems