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Boilers Safe Operation & OptimizationEMT/BOILER

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Who should attend?

  • This course provides in-depth knowledge of boilers operating conditions and constraints for a safe and reliable operation.
Audience :
  • Operators, panel operators, supervisors and plant managers involved in steam production facilities operation and optimization.
  • Maintenance, instrumentation technicians and supervisors working on boilers.

Level : Proficiency

Course Content

  • BOILER DESCRIPTION & OPERATING CONDITIONS

      • Different types of boilers and their characteristics. Operating conditions. Fuel consumption. Distribution of the heat supply as a function of the steam pressure and temperature. Construction of the vaporization and superheating tube bundles, the economizer and the drum.
      • Application: calculation of heat distribution between vaporization screens, superheaters, economizer and air preheater.

  • COMBUSTION - BURNERS

      • Combustion conditions: fuel characteristics.
      • Conventional and low NOx burner technology and operation.
      • Combustion quality: analysis of oxygen and unburned material in the flue gases.
      • Safe combustion: flame detection, control and safety devices on the fuel circuits.
      • Air and flue gas circulation. Flue gas pressure profile in the boiler, draft control.
      • Application: flue gas composition estimate, air and flue gas pressure profile drawing.

  • STEAM PRODUCTION

      • Water preparation: drawbacks arising from the impurities in the water, water quality measurement, characteristics of feed water and water in the boiler, thermal degassing, water chemical conditioning.
      • Control loop systems: steam pressure, feed water flow rate, superheated steam temperature: disruptive factors and control principles.

  • BOILER OPERATION

      • Steam generation inside tube coil and steam superheaters.
      • Heat flux, parameters influencing heat transfer, impact of fuel type, fouling impact.
      • On-stream boiler operations: routine monitoring, operating condition changes, analysis of disturbances, soot blowers, drains, etc.
      • Start-up and shutdown: preparation, ignition procedures, pressure build-up, connection to network, normal or emergency shutdown.
      • Application: study of start-up and shutdown procedure. Accident case studies.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • operate the boilers safely, while following the rules of optimized combustion, feed-water quality, water and steam control,
  • describe combustion rules and calculate the air/fuel ratio for optimum combustion,
  • identify bad-quality combustion from flue gas analysis and flame study and implement corrective actions,
  • list the main steps of a boiler start-up and shutdown procedure.

Ways & Means

  • Use of case studies or exercises based on actual cases from the industry.
  • Special emphasis on safety issues and abnormal situations that can lead to accidents.