TBWES offers both single-drum and bi-drum variants of this boiler, whose benefits include fuel flexibility, low maintenance, high efficiency, high availability, and reliability.

Over 265 boilers comissioned by TBWES across the globe to meet process steam and power requirements through biomass fuels.
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Pinhole Grate Boilers

These boilers comprise stationary grate for combustion of low ash fuels.

Salient Features
  • Stationary inclined water-cooled grate design with no moving parts for avoiding any mechanical failures and reducing maintenance in the furnace
  • Steam nozzles for simplified on-line ash removal from the grate without a drop in the boiler pressure. Also, agitation of fuel occurs which results in the reduction in unburnt carbon loss
  • An economical and viable option for high capacity boilers
  • Can accept air of temperature up to 250°C, resulting in smooth combustion of fuel
  • Inherently capable of burning high-moisture bagasse
  • An overfire air system provides turbulence and thorough mixing of the volatile gases, assuring complete combustion
  • Adequate number of feeders for uniform fuel distribution
  • All other advantages of suspension burning are achieved
  • Suitable for low ash fuels
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