. Morison suspension furnaces for marine and land boilers . n be generated with themost economical consumption of fuel. This demand has been met by the introduction of internally-firedboilers, somewhat similar in design to the Scotch Boiler now so extensively employed in marine practice. Thistype of boiler is susceptible of numerous modifications in design, and when fitted with suspension furnacesl:)ecomes the most satisfactory steam generator that can be employed for stationary and semi-portable BOILERS ai-e economical in first cost, being self-contained; that is, the
. Morison suspension furnaces for marine and land boilers . n be generated with themost economical consumption of fuel. This demand has been met by the introduction of internally-firedboilers, somewhat similar in design to the Scotch Boiler now so extensively employed in marine practice. Thistype of boiler is susceptible of numerous modifications in design, and when fitted with suspension furnacesl:)ecomes the most satisfactory steam generator that can be employed for stationary and semi-portable BOILERS ai-e economical in first cost, being self-contained; that is, theyare independent of masonry setting, cast iron fronts, buckstays, tie rods, etc., and are therefore capableof being readily moved from place to place with little expense if desired. INTERNALLY=FIRED BOILERS are economical in the consumption of coal, from the fact thatthere is no brick setting to absorb and radiate the heat, and the furnaces being surrounded by water theheat of combustion is more fully utilized than is possible in externally-fired m SPECIAL ADVANTAGES ARISING FROM THE USE OF SUSPENSION FURNACES. CIRCUMFERENTIALLY-CORRUQATED FURNACES possess much greater resistance to collapsethan any other type, thus permitting the use of thinner metal in the furnace, which facilitates the transferof heat to the water. THE CORRUGATIONS IN THE FURNACE act as baffie-plates to the passage of the furnacegases, causing them to mechanically mix, thus producing far better combustion than is possible with anyother type of furnace; while the additional heating surface in the most active portion of the boiler, due tothe corrugations, adds largely to the evaporative power of the boiler. IN THE SUSPENSION FURNACE the uniformity of thickness of metal is an especially desirablefeature, facilitating the uniform transfer of heat, and permitting the free expansion and contraction of thefurnace—features which it is im2)0ssible to obtain by means of thick ribs incorporated in the furna
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectsteambo, bookyear1895
