Transactions . de upon a boiler somewhat too small forthe furnace, on which account the results are not particularly re-markable. Most of the boilers afterwards erected of this or similartype had about 80 sq. m. of boiler heating-surface, and from 10 to 12sq. m. of heating-surface in the superheater, with which dimensionsa steam-temperature of 400° C. was often attained, under favorableconditions of furnace-operation. Among the chief advantages of this type of boiler are its smallspace-requirements, easy adaptation, and total freedom from masonry. In case of a great fall in temperature but a c
Transactions . de upon a boiler somewhat too small forthe furnace, on which account the results are not particularly re-markable. Most of the boilers afterwards erected of this or similartype had about 80 sq. m. of boiler heating-surface, and from 10 to 12sq. m. of heating-surface in the superheater, with which dimensionsa steam-temperature of 400° C. was often attained, under favorableconditions of furnace-operation. Among the chief advantages of this type of boiler are its smallspace-requirements, easy adaptation, and total freedom from masonry. In case of a great fall in temperature but a comparatively small 298 GENERATION OF STEAM BY WASTE HEAT FROM FURNACES. quantity of heat, which would not warrant the building of a boiler,the heat of the escaping gases can be utilized, if the locality be suit-able, and the need sufficient, in a superheater, placed behind or (veryeasily) over the furnace. The steam-temperature can then be regu-lated ina highly simple, though not economical, fashion, by admit-. Fig. 6.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
