Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

An economical solution for reducing NO{sub x} emissions from cell burner boilers firing pulverized coal

Conference ·
OSTI ID:103727
;  [1]
  1. Riley Stoker Corp., Worcester, MA (United States)
Over 12% (26,000 MWe) of the US generating capacity is produced from utility boilers equipped with pre-New Source Performance Standard (NSPS) cell burners. These burners, manufactured in the 1950`s and 60`s, rapidly mix the pulverized coal and combustion air resulting in highly turbulent and efficient combustion. Unfortunately, NO{sub x} emissions produced by this type of firing configuration are extremely high typically averaging 1.0 to 1.8 lb/10{sup 6} Btu. This paper presents the results of retrofitting American Electric Power`s Muskingum River Unit 5, a 600 MWe supercritical cell burner boiler with Riley low NO{sub x} CCV{trademark} burners. Results of this project successfully demonstrated the ability to reduce NO{sub x} emissions greater than 50% without the requirement for overfire air (OFA), off stoichiometric firing, burner respacing, mill system or coal piping changes or pressure part modifications. Emissions and boiler performance results are presented along with the typical costs for this type of retrofit.
OSTI ID:
103727
Report Number(s):
CONF-950414--
Country of Publication:
United States
Language:
English