Furnaces: Safe Operation and Optimization

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  • Outline ImageCourse Outline
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Course Overview

Objectives:

 To describe industrial combustion phenomena and calculate the air/fuel ratio for optimum combustion.

To identify bad-quality combustion from flue gas analysis and flame study, and implement corrective steps.

To list and apply the main steps of a furnace start-up procedure.

To recognize the main operating and material constraints for an optimal, safe and reliable furnace operation. 

 

Objective:

  •   To describe industrial combustion phenomena and calculate the air/fuel ratio for optimum combustion.
  •   To identify bad-quality combustion from flue gas analysis and flame study, and implement corrective steps.
  •   To list and apply the main steps of a furnace start-up procedure.
  •   To recognize the main operating and material constraints for an optimal, safe and reliable furnace operation.
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Course Outline

Furnace construction and operating conditions

  •   Different types of furnace and their functions.
  •   Operating conditions. Distribution of heat, influence of operating conditions.
  •   Efficiency of energy recovery. Estimation rule, parameters governing furnace efficiency, scope and limitations for improving furnace efficiency.
  •   Construction of heat exchange areas and refractory materials: tube bundle arrangement, insulation, type of materials used and operating limits.

 

Combustion - Burners

  •   Combustion conditions: stoichiometric air/fuel ratio, heating value, liquid and gas fuel characteristics, liquid spray.
  •   Burners: fuel and air supply and mixture, burner operation, low NOx burner characteristics.
  •   Combustion quality: analysis of the oxygen and the unburned material in the flue gases, control of the combustion air flow rate, air/fuel ratio control.
  •   Combustion safety: flame detection, control and safety devices on the fuel circuits.
  •   Air and flue gas circulation: natural draft, forced draft, pressure differential control, automatic safety devices. Damper or forced draft fan role. Impact of furnace positive pressure.
  •   Application:
  •   Natural and forced draft pressure profile drawing.
  •   Review of draft constraints.
  •   Presentation of different types of burners and spraying systems.

 

Heat transfer and tube coil

  •   Heat transfer to the tube bundle: heat flux, conduction, convection and radiation, parameters governing heat transfer, tube skin temperature, type of fuel burned, tube temperatures, fouling effects.
  •   Division of the heated fluid into several passes: control of partition, low flowrate safety systems.
  •   Heating control: process fluid outlet temperature, fuel flowrate control.
  •   Most important furnace temperature and constraints: skin temperature, bridgewall temperature, limits and risk of overcoming
  •   Application: furnace temperature profile and heat recovery distribution as a function of fuel burned and combustion air excess.

 

Furnace operation

  •   On-stream furnace operations: monitoring of combustion and heating. Modifying operating conditions. Analysis of disturbances. Key points for safe operation, operating conditions control and follow-up.
  •   Start-up and shutdown: preparation, safe ignition procedures, ignition after a short shutdown, normal shutdown, emergency shutdown.
  •   Incidents: explosive atmosphere in the radiation zone, tube rupture, unbalancing of the heat, etc.
  •   Diagnostic facilities; troubleshooting.
  •   Application:
  •   Case study of furnaces incidents.
  •   Start-up procedure study.
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Schedule & Fees

3 For 2Offer

Get the most out of group training with our special discount! Register 3 of your participants together on the same course and only pay for 2.

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  • Furnaces: Safe Operation and Optimization

Milan

$5,900

Milan

Duration: 5 Days

date: 18 - 22 Nov 2024

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  • Furnaces: Safe Operation and Optimization

Milan

$5,900

Milan

Duration: 5 Days

date: 09 - 13 Dec 2024

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  • Furnaces: Safe Operation and Optimization

London

$5,900

London

Duration: 5 Days

date: 01 - 05 Dec 2025

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  • Chemical Engineering

Furnaces: Safe Operation and Optimization

Duration:5 Days

date:18 - 22 Nov 2024

Milan

Milan

$5,900


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Furnaces: Safe Operation and Optimization

  • ItalyMilan
  • calendar18 - 22 Nov 2024
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