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U.S. Department of Energy
Office of Scientific and Technical Information

Fuel-staging coal burner

Patent ·
OSTI ID:5866190
A fuel-staging burner assembly and method in which a burner nozzle has separate, concentrically disposed elements to burn coarse and fine coal particles under different combustion conditions to reduce the production of nitrogen oxides from the combustion of coal as a fuel. The burner assembly further includes a control nozzle for maintaining a swirling motion in the combustion flame and a separate, axially-movable adjustable sleeve for regulating the quantity flow of turbulence-free combustion-supporting air.
Assignee:
Foster Wheeler Energy Corp
Patent Number(s):
US 4206712
OSTI ID:
5866190
Country of Publication:
United States
Language:
English