AFBC Boilers
AFBC boilers provide an effective solution for generating heat and power. They burn various types of fuel efficiently, achieving over 85% combustion efficiency, regardless of ash content
Advantages of AFBC Boilers
- High efficiency
- Fast response to load variation/fluctuation
- Low on operating cost
- Simple operation and quick start up
- High reliability
- Flexible on versatile fuels
- Maximum fuel & Auxiallary power saving
- Fuel: Indian /Imported Coal, Lignite, Rice Husk, Washery Rejects, Petcoke, Dolachar
Operating range
Capacity
upto 175 TPH
Pressure
Upto 130 kg/cm²(g)
Temperature
Upto 540°C
Low Maintenance Design Features for AFBC Boilers
- Water wall membrane type for maximum heat absorption and structural rigidity
- Four stage steam separation to ensure zero carryover
- Optimum velocity and pitch in economizer for better life of tubes
- Studded in-bed evaporator tubes are immersed in the bed to extract heat
- Welded and factory assembled PA and fuel nozzles
- High efficient fans to ensure optimal power consumption and minimum noise level
Hopper Bottom (Fluid Bed) Salient Features
- Reduced maintenance in the furnace as the combustor does not have any moving parts
- Optimum combustion due to uniform temperature distribution in the bed and agitating characteristic of the fluid bed
- Higher efficiency as a result of low excess air requirement
- Lower NOx and CO emissions
- Low SOx emission with limestone addition
- Low-temperature operation minimizes the biomass fuel ash agglomeration and fouling tendency
Continuous slow draining of bedash aids: - Easy settling and disposal of large-sized particles, which hamper fluidization
- Maintaining alkali concentration below acceptable levels
- Avoiding accumulation of denser particles in bed in maintaining uniform bed density across the entire bed
- Under-bed / over-bed fuel feeding for proper distribution of fuel
AFBC: A Versatile Boiler with Effortless Operation and Rapid Startup
- Available in Bi-drum/ Single drum
- Suitable to generate saturated and super heated systems
- Suitable for cogeneration and captive power plants
- Underbed/ Overbed fuel feeding/ Bottom hopper design
- Low excess air requirement resulting in higher efficiency
- A secondary firing system is provided in the furnace to ensure optimal combustion resulting in minimum un-burnt fuel, reduced CO level in the flue gas and improved efficiency
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Projects
Gujrat Ambuja Exports Ltd
HImatnagar (Gujarat)
55 TPH, 88 kg/cm²
HImatnagar (Gujarat)
55 TPH, 88 kg/cm²
Jodhani Papers Limited
Karnataka
50 TPH, 88 kg/cm²
A P Refinery Pvt. Ltd
Ludhiana (Punjab)
28 TPH, 67 kg/cm²
Ludhiana (Punjab)
28 TPH, 67 kg/cm²