Data from a test on a NAPOCOR boiler, using pulverized coal, are as follows: Proximate Analysis of Coal Ultimate |Analysis of Coal W = 2.80 % C = 84.36 % N = 0.63 % VCM = 1.16 % H = 1.89 % S = 0.89 % FC = 88.21 % O = 4.40 % A = 7.83 % The coal rate is 11762 kg/hr and the excess air required is 35 %. Determine: a) the “as fired” coal analysis, and the “dry” coal analysis; and b) the actual air required per hour.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Data from a test on a NAPOCOR boiler, using pulverized coal, are as follows:

Proximate Analysis of Coal Ultimate |Analysis of Coal
W = 2.80 % C = 84.36 % N = 0.63 %
VCM = 1.16 % H = 1.89 % S = 0.89 %
FC = 88.21 % O = 4.40 % A = 7.83 %

The coal rate is 11762 kg/hr and the excess air required is 35 %. Determine: a) the “as fired”
coal analysis, and the “dry” coal analysis; and b) the actual air required per hour.

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