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    Estimation of Combustion Air Requirement. We have already discussed under practical stoichiometry how the air requirements can be estimated based on the fuel composition (ultimate analysis). The primary and secondary air requirements for combustion of pulverized coal or coke are best estimated by mass and heat balance at the mill.

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    New boiler systems of large electricity generating units and grinding mills require the use of complied agent distribution systems (coal dust, air, drying agent). We ensure compliance with any requirements of the technological process through detailed engineering and SROcalculations. The simulation results are used in the startup and development of new boilers.

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  • Advanced Development of Pulverized Coal Firing Technologies

    Vol. 44 No. 2 2011 1 Advanced Development of Pulverized Coal Firing Technologies TAMURA Masato : General Manager, Combustion Engineering Department, Power Plant Division, Energy Systems Operations WATANABE Shinji : Combustion Engineering Department, Power Plant Division, Energy Systems Operations OONO Emi : Manager, Combustion Engineering Department, Power .

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  • Pollution Control: LowNOx Combustion Retrofit Options

     · The first unit was a 500MW opposedfired design equipped with 24 firstgeneration burners and six HP863 coal mills from ABB Combustion Engineering Inc. To reduce the boiler's NO x .

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