Items related to The Modern Practice of Boiler Engineering, Revised...
Synopsis
This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1856. Not illustrated. Excerpt: ... APPENDIX, No. I. REMARKS ON SMOKE-BURNING BY JOHN BOURNE, ESQ. [The following remarks form a portion of a review of Mr. Charles Wye Williams's book on "The Combustion of Coal and the Prevention of Smoke chemically and practically considered," which appeared in the "Artizan" for February, 1843.] The smoke evolved by every species of bituminous coal, when burned in common furnaces, must necessarily detract considerably from the calorific eflicacy of the fire, both on account of the direct loss of a portion of the combustible which passes off in the form of smoke, and is dissipated in the atmosphere, as well as from the loss of the heat requisite to convert the hydrocarbons, so dissipated, into the gaseous form. Numerous attempts have been made to obviate or diminish these sources of waste, by admitting into the flue or furnace a stream of air, 176 APPENDIX. to accomplish the combustion of the inflammable parts of the smoke; but the difficulty of apportioning the quantity of air admitted, to the varying -wants of the fire, has been found an insuperable objection in the case of ordinary furnaces; whilst the refrigeratory effect of the excess of air it is necessary to admit, in order to bring the atoms of the combustible and the supporter within the range of combining attraction, goes far to neutralize the increased heating power consequent on their combination. In experiments upon smoke-burning furnaces, conducted with great care and skill, possibly some little saving may have been repeatedly realized; but with the measure of care and skill which furnaces can obtain in the ordinary routine of practical operation, smoke-burning has invariably been productive of a diminished efficiency or an increased consumption. All this Mr. Williams acknowledges; but maintains that...
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About the Author
Robert J. Armstrong, a U.S. Coast Guard Licensed Master Mariner, has been a captain since 1962 and a boating journalist and professional yacht deliverer and skipper since the mid-1970s.
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