Steam power plant auxiliaries and accessories; (1922)
Croft, Terrell, 1880- ed, Dufflin, Daniel John, 1911- ed · New York, [etc] McGraw-Hill book company, Inc · leaf 290
) = 588 deg. fahr.The permissible extent of heating-surface is, therefore, (Fig. 277) about 5.5sq. ft. per boiler h.p. 306. The Least Temperature-Difference That Can BeProfitably Permitted Between The Inside And The OutsideOf Economizer Heating-Surface may be determined, ap-proximately, from the… … 1.00 2.00 3.00 4.00■^ Cost of Coal in Dollar s Per Ton Fig. 278.—Chart Showing TheLeast Temperature Differences Be-tween The Temperature Of GasesAnd Water, Under Different Con-ditions, At Which Additional Econ-omizer Surface Ceases To Pay-Dividends. (Green EconomizerCo.) Example.—A contra-flow…
Steam power plants · Pumping machinery
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