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Sinter Plant Heat Recovery (Power Generation from Sinter Cooler Waste Heat)

Sectors:
Objective:
Opportunities enabled:
Country:
Japan
Maturity:

This is a waste gas sensible heat recovery system from sinter cooler to generate electric energy. The system is composed of dust collector, waste heat recovery boiler as steam, circulation fan and power generator by steam turbine.
The values of cost and effect are obtained from a system configuration of two identical sintering machines, coolers each equipped with waste heat recovery boiler and one unit of electric power generator, to which the steam from two boilers is led.

Organisation providing the technology:
The Japan Iron and Steel Federation
Benefits:
  • Electricity savings: 22.1 kWh/t-sinter
  • CO2 Reduction: 19.9 kg-CO2/t-sinter
  • (for 395t/h sinter production capacity)

Reduction in crude oil equivalent: 32,500 toe/y

Co-benefits:

n/a

Differentiators:

Unit recovery of waste heat is on the order of 60,000 kcal/t-sinter.

Working principles:

n/a

Investments required:
  • JPY 5,000 million for 5.9Mt/y
  • Payback time: 5.5years
Countries where implemented:
India
Contact:

The Japan Iron and Steel Federation

Tel: +81-3-3669-4837

Email: kankyou1@jisf.or.jp

Variations and or alternatives:

n/a