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AFBC Boilers

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AFBC BOILERS : Customised Solution for your Co-generation, Captive Power and Independent Power Plant requirements

WHAT IS AFBC?

Atmospheric Fluidized bed combustion (AFBC) is a combustion technology used to burn solid fuels.

In its most basic form, fuel particles are suspended in a hot, bubbling fluidised bed of Bed material (sand, refractory granules, limestone etc.) and ash through which jets of high pressure air are blown to provide the oxygen required for combustion. This results in fast and intimate mixing of gas and solids promotes rapid heat transfer and chemical reactions within the bed. FBC plants are capable of burning a variety of low-grade solid fuels, including most types of coal and woody biomass, at high efficiency.

The high concentration of bed material along with controlled and staged air supply ensures that combustion temperatures do not exceed 950°C making it environment friendly (lesser production of NOx).


WHY AFBC

For any given thermal duty, FBC furnaces are smaller than the equivalent conventional furnace, so may offer significant advantages over the latter in terms of cost and flexibility.

Fuels such as Coal (most grades), Washery rejects, Lignite, Petcoke, Rice husk, Wood Chips, Wood bark, DOB, Paper mills sludge etc. can be effectively burnt in AFBC Boilers.

Other Biomass / Agriculture wastes like Bagasse, Bagasse Pith, Mustard straw etc. can also be fired up to some extent mixed with conventional fuels.

AFBC technology offers several advantages for industrial steam and power generation :

AFBC boilers are proven technology for allowing a wide range of fuels to be burnt.

  1. Lower production of NOx due to lower temperature.
  2. Lower production of SOx due to capture by limestone.
  3. Low excess air requirement resulting in higher combustion efficiency.
  4. Less footprint for AFBC boiler due to high coefficient of convective heat transfer.

WHAT SHOULD BE FEATURES OF AFBC BOILERS ?

  • Fuel flexibility
  • Low Maintenance
  • High Availability / Higher Reliability
  • Low LOI in Ash
  • Low SOx, NOx, and CO emission
  • Low Bed Material consumption
  • Better turn down ratios
  • Lower erosion
  • Minimum operating cost.
  • Automated operation.

WHY MAGO THERMAL

Mago Thermal is committed to provide industry an innovative, viable and cost-effective solution by offering State of the Art AFBC boilers.

Some of features including :

  • Customised to customer requirement
  • Compact, Economical design
  • Single / Bi-drum Option
  • Wide Fuel flexibility
  • Over / Underbed fuel firing option
  • Higher combustion efficiency
  • Lower power consumption
  • Low maintenance and operating cost
  • Low NOx emission
  • Lower SOx emission due to capture by limestone.
  • Less refractory hence quicker startup / lower maintenance
  • Lower erosion issues
  • Higher reliability & availability

AT MAGO THERMAL, WE OFFER

  • New AFBC Boilers with Pressure up to 110 Ata and Superheater Steam Temperature up to 540 DegC suitable for Co-generation, Captive power and Independent Power Plants.
  • Option of Open Bottom Hopper design AFBC boiler for Char, High Slagging & Fouling Fuels and High Ash Fuels and few Biomass
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