We offer 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 commissioned across the globe to meet process steam and power requirements through biomass fuels.
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Pusher Grate Boilers

A unique offering for combustion of low calorific value in high moisture fuels

Manufactured as per Technology developed by Thermax

Salient Features
  • Reduces suspension burning and carry-over due to mass burn technology/silent combustion
  • The modular construction of the grate features a section width
    varying from 1.5 to 3 m, along with a number of sections assembled side by side for larger widths
  • Air plenum of each grate section is divided into six compartments enabling independent control of air flow to each zone as per the combustion air requirement.
  • Both air cooled and water cooled grate designs available, depending on the cooling method selected as per the fuel characteristics
  • Machined grate bars ensure proper clearances for thermal expansion, movement and airflow area
  • Robust construction, low maintenance requirements and high operational reliability
  • Proven ram feeder design and hydraulic ash extractor system available for bulky fuels
  • Low grade, high moisture, bulky/irregular sized fuels are better fired on pusher grate
  • Suitable for the combustion of municipal solid waste and low quality refuse derived fuel
  • Empty fruit bunches and other wastes from palm oil industry can be combusted efficiently
  • Spent wash (vinasse) firing with bagasse/other biomass fuels is possible
  • Process and industrial wastes having high moisture and low heat content with large size variations can be used
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