Fuel Blending

Biomass Gasification Blending with Coal-fired Power Plant for Power Generation

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The Biomass Gasification Blending with Coal-fired Power Plant for Power Generation The biogas is sent into the coal-fired boiler to co-generate power at scale by taking advantage of the configuration of the large power station in a highly efficient way.

Feedstock: rice husk, straw, sawdust, bamboo scrape, etc.

Product: electricity

Technological Highlights

The efficiency of mixed-fuel power generation: 32~37% > efficiency of power generation through direct combustion of biomass: 22-27%;

The corrosion to the surface of the boiler for power station by the biomass can be avoided as it is collected before entering the boiler, thus lowering the maintenance cost;

The biogas can reach the temperature of more than 400℃, ensuring high heat efficiency of overall system, and no tar and sewage.

The biomass gasifier is independent from the coal-fired power plant, allowing no influence of the fluctuation of seasonal biomass yield on the continuous stable power generation.


Parameters of Operation

No.

Feedstock

Gas output efficiency

Gas calorific value

Feedstock consumption of unit power generation

1

Sawdust/bamboo scrap

2.5Nm3/kg

1100~1200kcal/Nm3

0.7kg/kW.h

2

Straw

2.2 Nm3/kg

1050~1150kcal/Nm3

0.8kg/kW.h





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