Combustion of coal and the prevention of smoke; by Barr William M. (William Miller)

Author:Barr, William M. (William Miller)
Language: eng
Format: epub
Tags: Coal. [from old catalog], Combustion
Publisher: New York, The Norman W. Henley publishing company
Published: 1913-03-25T05:00:00+00:00

Q. What losses occur in a furnace by which its efficiency is lowered?

The heat generated in a furnace can never be wholly utilized. Heat, like water or steam, must flow from a higher to a lower level in order to become available, and in any such transfer there are always losses, among which occur:

Loss due to radiation of heat from the sides of the furnace.

Loss occasioned by difference of temperature between the escaping gases and that of the atmosphere necessary to produce natural draught.

Loss by the waste of unburned fuel falling through into the ash pit.

Loss by imperfect combustion—that is, by the formation of carbonic oxide instead of carbonic-acid gas.

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COMBUSTION OF COAL.

Loss by excess of air passing through the furnace, doing no useful work.

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