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ECCJ / Text Thailand

Energy Conservation Activities at Facilities Using Thermal Energy (case of the steel works)

Contents

  1. Boiler (including the waste heat recovery facility)
    • 1-1. Entire boiler
    • 1-2. Example of energy conservation measures
    • 1-3. Impact of air ratio
    • 1-4. Heat loss of exhaust gas
    • 1-5. Impact of preheating supply water
    • 1-6. Example of drain recovery
    • 1-7. Heat loss caused by blowing (when heat is not collected)
    • 1-8. Amount of fuel loss caused by scale depositionv
    • 1-9. Controlling the number of operated machines
    • 1-10. Heat balance (Example based on JIS B8222)

  2. Industrial furnace (including the waste heat recovery facility)
    • 2-1. Example of energy conservation measures for industrial furnaces
    • 2-2. Effects of changing heat patterns of a heating furnace
    • 2-3. Example of dolly gap seals
    • 2-4. Amount of radiation from the furnace wall (convection + radiation)
    • 2-5. Flow of using waste heat of a heating furnace
    • 2-6. Structure of regenerative burner
    • 2-7. Heat balance chart of a slab heating furnace (Example based on JIS G0702)

Fig. 1-1 Boiler configuration

Fig. 1-2 Example of energy conservation measures

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