Combustion device and boiler
AssigneeIHI Corporation
InventorsHiroki ISHII, Ryo HANAOKA
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Abstract
A combustion device includes: an ammonia injection nozzle having an injection port facing an internal space of a furnace; a pulverized coal injection nozzle having an injection port facing the internal space of the furnace; an adjustment mechanism that adjusts an injection flow rate of ammonia from the ammonia injection nozzle; and a control device that controls an operation of the adjustment mechanism in such a manner that the injection flow rate of ammonia from the ammonia injection nozzle is higher than an injection flow rate of pulverized coal from the pulverized coal injection nozzle.
Claims8
A combustion device comprising:
- an ammonia injection nozzle having an injection port facing an internal space of a furnace;
- a pulverized coal injection nozzle having an injection port facing the internal space of the furnace;
- an adjustment mechanism that adjusts an injection flow rate of ammonia from the ammonia injection nozzle;
- and
- a control device that controls an operation of the adjustment mechanism in such a manner that the injection flow rate of ammonia from the ammonia injection nozzle is higher than an injection flow rate of pulverized coal from the pulverized coal injection nozzle.
Dependencies are inferred from the claim text.