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Rice Husk Fired Fluidised Bed combustion Boilers
Capacity: 1000 Kgs/hr to 20,000 Kgs/Hour
Working Pressure: Upto 21 Kg/Cm2g
Design Options: Single pass or 2 pass or 3 pass
Other Activities
- Economisers (HRU), Multi Cyclone type Dust Collectors etc.
- Complete FBC kit.
- Oil/Gas/Coal/Wood fired steam boilers.
- Thermic Fluid Heaters.
- Hot Water Generators.
- Oil/Water storage tanks,chimneys etc.
- Pressure Vessels for storage of LPG/Propane/Hydrogen/Ammonia etc.
- PSA technology based Nitrogen/Oxygen Generation Plants.
- Ammonia Cracking Units.
- LPG Bottling Plants.
- Biogas Purification Plants
Background
INDCON have been pioneers in boiler design & manufacturing in northern India. With our outstanding track record of innovative products, we are responsive to the latest combustion and heat transfer engineering and developments translating all this knowledge into fuel efficient steam boilers.
Construction
INDCON boilers are of class-1 welded construction and designed in accordance with IBR or any other international code. Strict quality control is maintained at all production stages expert shop supervision is provided to ensure finest workmanship. All welding seams are 100% radiographed to ensure durability and longer life. Hinged doors are provided at front and rear at the ends of the boiler to give easy access for inspection, cleaning and replacement of tubes.
The Mechanism
The fuel is added to a bed of non-combustible particles like sand and is kept in constant movement by combustion air which is blown through from below. The mixed bed behaves as if it were a boiling liquid. It is compact fluidised. The normal operating temperature of fluid bed is 750 Deg.C. and at this low temperature the ash is not sintered or melted. The larger area of contact between fuel and oxygen of combustion air and good mixing gives intensive combustion. The larger quantity of heat held by the bed function as a thermal reservoir and levels out the variation in fuel quantity and moisture content. The fuel particles automatically remain suspended for longer period of time and swirl around in hot material of fluid bed until they burn out completely to ash.
Mounting and Fittings
- One Main steam stop valve.
- One auxillary steam stop valve.
- One air vent valve.
- One blow down valve.
- One dial type pressure gauge.
- Two water level sets complete with gauge glasses.
- Two isolating valves for water level controller.
- Motorised Feed Water multistage pumps.
- One double / two single post spring loaded safety valves.
- The feed check valve complete with piping upto the delivery end of feed pumps
Advantages of fluidised bed combustion
- High thermal efficiency.
- Low combustion temperature.
- Low excess air.
- Complete combustion of fuel.
- Easy ash disposal.
- Avoidence of clinkering or ash melting.
- Reduced combustion area.
- Reduced fouling & corrosion of tubes.
- No pollution of environment.
- Safe & easy fully automatic operation.
- Short erection & commissioning period.
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