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Industrial Steam Boiler System, Operation and Maintenance

Introduction

Industrial Steam Boiler System, Operation and Maintenance

Course Objectives

This comprehensive course will equip the participants to:

• Understand the concepts around Industrial Steam Boiler System, Operation and Maintenance
• Comprehend the chemical and physical properties of steam, including its hazards
• Learn about steam generation thermodynamic cycles e.g., Rankine Cycle
• Discover the advantages and disadvantages of steam
• Understand the layout of equipment in a steam generation plant
• Learn the operational procedures including safe shutdown, turnaround, and the start-up of a steam plant
• Orient on safety preparation for the turnaround of a steam plant
• Understand the inspection and maintenance aspects of a steam plant
• Appreciate the importance of personnel protection equipment in steam plant
• Comprehend managing emergencies in the steam plant
• Under legal, regulatory and insurance implications
• Advanced competency in modern boiler control systems and automation
• Expertise in emission control technologies and environmental compliance
• Enhanced understanding of energy efficiency optimization and waste heat recovery
• Skills in predictive maintenance and condition monitoring techniques
• Proficiency in advanced troubleshooting and root cause analysis methodologies

Who Should Attend?

• Trainees/intern/fresh employees who want to take up Design, Operation, Inspection, Maintenance and HSE management of Industrial Steam Boiler System, as their career
• All Steam Plant workers, supervisors and managers who want to promote productivity of operation, inspection, maintenance, health & safety in their steam plants
• All employees/workers who have been on rotation from their existing departments to the Steam Plant (Planning, operation, Inspection, and maintenance)
• Boiler operators and technicians seeking certification and skill enhancement
• Maintenance engineers and supervisors responsible for steam systems
• Safety officers and HSE professionals in industrial facilities
• Energy managers and efficiency specialists
• Plant managers and operations supervisors

Course Outline

Module 1: Basics/Concepts About Steam and Its Generation

• A short history of boiler design
• Why use steam? Where is steam used?
• How Boilers Work: A generic steam system
• Types of Boilers
• Key Components of Boilers
• Safety Issues
• Fuel combustion and heat release in furnace chamber with chemical energy conversion to heat
• Key components: burner, combustion chamber, heat exchanger, and steam drum
• Steam generation through fuel combustion, heat transfer, water heating, and phase change
• Industrial applications across power generation, chemical processing, and manufacturing

Module 2: Types of and Layout of Industrial Steam Boilers

• Coil steam generator (once through boiler)
• Water-tube boiler
• MTHS boilers (fire-tube or smoke-tube boilers)
• Basic overview of Steam Plant
• Fire-tube boilers: hot gases pass through tubes surrounded by water
• Water-tube boilers: water flows through tubes surrounded by hot gases
• Once-through steam generators with no steam drum separation
• Package boilers vs. field-erected boilers for different capacity requirements

Module 3: Basic Steam Distribution

• How steam moves (simple explanation)
• The motion of steam (detailed explanation)
• Strainers
• Steam traps
• Pipe expansion loops and drains
• Steam velocity considerations and pressure drop calculations
• Steam quality requirements for different applications (dry saturated vs. superheated)
• Condensate return systems and flash steam recovery
• Thermal expansion management and flexible connections

Module 4: Boiler Operation

• The boiler operator
• The manager
• The role and function of technology in the modern boiler house
• Boiler Feed Pumps
• Contamination of condensate
• Deaerators/Condenser
• Economizer
• Superheaters and Attemperators
• Condensate Shunt pump
• Boiler level controls
• Isolation and Control valves
• Safety valves/ Pressure reducing valves (PRV)
• Pressure and temperature gauges
• Non-return valves/check valves
• Total dissolved solids (TDS)
• Boiler Loading, Sequencing, Scheduling, and Control
• Advanced control systems managing fuel supply, air flow, water level, and steam pressure
• Feedwater system components including pumps, valves, and deaerators
• Water level indicators for manual and automatic control
• Economizer preheating feedwater using residual heat from flue gases

Module 5: Boiler Management and Control

• Typical instrumentation for boiler management (Monitor Boiler Gauges)
• Optimized Air-to-Fuel Ratio: Boiler Combustion Efficiency
• Steam Boiler Efficiency (Indirect method and Direct or fuel-to-steam efficiency)
• Safety, Efficiency and Life of the Equipment
• Boiler Energy Best Practices
• Guarantee and Service
• Fuel System and Burners; Flame failure device
• Flare system and Regeneration
• Steam turbine and Power Generator
• Seasonal Operation
• Operating Multiple Boiler Plants
• Chillers/Cooling Towers
• Air Handling Systems
• Water treatment
• Feedwater pump arrangements
• Intelligent control systems integrating sensors, control panels, and automatic regulating valves
• Combustion optimization through oxygen trim and flue gas analysis
• Modern boiler efficiency targets of 80-85% with proper operation and maintenance
• Digital control panels and SCADA systems for real-time monitoring and automation

Module 6: Inspection of Steam Generation Plants

• Corrosion Issues: Cathodic Protection System
• Inspect and Repair Insulation: Thermography
• Thickness and crack monitoring of piping and vessels
• Metallography
• Inspection of drums: Visual and NDE (Non-Destructive Examination)
• Inspection of Headers, Piping, tubing
• Loaded Spring inspection
• Vibration monitoring
• PSV and PRV Testing
• Valid Permit to Work (PTW) for a confined space inspection
• Energy isolation during inspection: Lock and Tag
• Combustion analyzers
• Trending Boiler Stack Temperature
• Non-destructive testing methods including ultrasonic thickness measurement and radiography
• Thermographic inspection for refractory and insulation condition assessment
• Water-side and fire-side inspection procedures during maintenance outages
• Pressure vessel inspection codes (ASME Section I, VIII) and regulatory requirements

Module 7: Maintenance of Steam Generation Plant Equipment

• Sample Maintenance Logs & Boiler Checklists
• PSV and PRV maintenance
• Maintenance of Air openings, Flue gas vent system, Pilot and main burner flames
• Maintenance of Fans, Blowers, Air Compressors and Pumps
• Maintenance of Electrical Systems and Motors
• Opportunity Identification
• Preventive maintenance schedules for burners, fans, pumps, and control systems
• Tube cleaning methods including chemical cleaning and mechanical cleaning
• Refractory maintenance and replacement procedures
• Water treatment system maintenance and chemical dosing programs

Module 8: Some Hazards of Steam

• Boiling liquid expanding vapor explosion (BLEVE)
• Column collapse water hammer
• Sub-cooled condensate induced water hammer
• Flash steam explosion
• Overpressure in the distribution system
• Overpressure (inside a pressure vessel)
• Plug flow water hammer
• Steam hammer
• Temperature
• Vacuum draw
• Waterlogging
• Other Safety Issues
• Safe & Functional Boiler Room | Requirements
• High-pressure steam dangers and personal protective equipment requirements
• Steam burns and scalding prevention through proper procedures and equipment
• Pressure vessel safety codes and inspection requirements
• Emergency shutdown procedures and safety interlocks

Module 9: Other Miscellaneous Best Practices for Steam Plants

• Boiler Water-Use Best Practices
• Best Practices for Efficient Operation
• Boiler Rules of Thumb
• Best Practices for Inspection and Maintenance
• Energy-saving systems including economizers and air preheaters
• Water treatment best practices for scale and corrosion prevention
• Blowdown optimization and heat recovery from blowdown
• Fuel switching capabilities and multi-fuel burner systems

Module 10: Case Studies, Incidents, Problem Resolutions, Q&A’s

• Case Studies
• Incidents
• Emergency Response
• References
• Other Resources
• Real-world boiler failure analysis and root cause identification
• Emergency response procedures for boiler incidents and accidents
• Lessons learned from major boiler explosions and safety improvements
• Industry best practices from successful steam plant operations
• Regulatory compliance case studies and inspection findings
• Energy efficiency improvement case studies and ROI analysis