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Waste Heat Recovery Boiler for Cement Plant

Cement Plant Waste Heat Recovery Boiler

WHR boilers in cement plants recover waste heat from the Preheater (PH) exhaust gas and the Clinker Cooler (AQC) exhaust gas. This thermal energy is used to generate zero-cost, zero-emission electrical energy, lowering operating costs and improving carbon footprints.

90%
Heat Utilization

of total energy in a cement plant is used as heat energy in the clinker calcination process.

35%
Waste Heat

of clinker calcination process energy is discharged and lost as waste heat.

30%
Power Offset

of plant electrical energy requirements can be produced using our WHR system.

WHR Technologies

PH Boiler (Bare Tubes)

Vertical Cross Flow design with bare tubes for high-dust Pre-Heater exhaust gas, minimizing ash buildup.

Horizontal Cross Flow

Horizontal inline tube configuration offering compact installation footprints and easy tube replacement.

AQC Boiler (Finned Tubes)

Vertical Cross Flow with rectangular finned tubes for clean Air Quench Cooler exhaust gas to maximize heat transfer.

Design Considerations for Cement WHRB

  • Bare Tube design specifically configured for Pre-Heater boilers to combat abrasive dust.
  • Rectangular Finned Tube selection for high-efficiency AQC boilers.
  • Specialized mechanical Hammering/Rapping system for PH boiler tube cleaning.
  • Integrated Pre-Dust collector for AQC boilers to protect tubes from clinker dust.
  • Optimum flue gas velocity selection to prevent tube erosion and ensure long life.