. American stationary engineering; a practical work which begins at the boiler room and takes in the whole power plant. s^ y n, -m *? Fig. 16. as small diameters as the plaincylindrical sort, on account of thenecessity of finding room inside,below the water level, for the fur-nace and flue. The disadvantage, too, of thedeposits mentioned in the plaincylinder is, to a great extent gotover in the Coroish boiler, for tbe. Maxims and Instructions. jj TBE GROWTH OF THE STEAM BOILER. bottom, where the deposit chiefly takes place, is the coolestinstead of being the hottest part of the heating surface
. American stationary engineering; a practical work which begins at the boiler room and takes in the whole power plant. s^ y n, -m *? Fig. 16. as small diameters as the plaincylindrical sort, on account of thenecessity of finding room inside,below the water level, for the fur-nace and flue. The disadvantage, too, of thedeposits mentioned in the plaincylinder is, to a great extent gotover in the Coroish boiler, for tbe. Maxims and Instructions. jj TBE GROWTH OF THE STEAM BOILER. bottom, where the deposit chiefly takes place, is the coolestinstead of being the hottest part of the heating surface. But the disadvantage of unequal expansion also exists in thistype of boiler, as the internal flue in the Cornish system is thehottest portion of the boiler, and consequently undergoes agreater lengthways expansion than the flues. The result is tobulge out the ends, and when the boiler is out of use, the fluereturns to its regular size, and thus has a tendency to workloose from the ends to which it is riveted and if the ends aretoo rigid to move, a very serious strain comes on the points ofthe flue. Even while in use the flue of a Cornish boiler is liable to un-dergo great changes in temperature, according to the state ofthe fire ; when this latter is very low, or when fresh fuel hasbeen thrown on, the temperature is a minimum and reaches amaximum again when the fresh fuel commences to bumfiercely. This consta
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsteamen, bookyear1917
