. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . CO ^a-c p ET E ^f^mW^^Wi^^. Fig. 244. — The Whitwell Hot-blast Stove. (Thurston.) The earlier blast furnaces were blown with cold air, but later a hot blastwas used with an aim to saving fuel, and the air from the blowing enginespassed through stoves which were heated by the waste gases from the 244 shows the Whitwell stove and Fig. 245 a more modern stove. The first stoves in use were of cast-iron. The gases were burned aroundand circulated among U-
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . CO ^a-c p ET E ^f^mW^^Wi^^. Fig. 244. — The Whitwell Hot-blast Stove. (Thurston.) The earlier blast furnaces were blown with cold air, but later a hot blastwas used with an aim to saving fuel, and the air from the blowing enginespassed through stoves which were heated by the waste gases from the 244 shows the Whitwell stove and Fig. 245 a more modern stove. The first stoves in use were of cast-iron. The gases were burned aroundand circulated among U-shaped cast-iron pipes enclosed in a fire-brick struc-ture. This process was continuous — a recuperative process. However, it was 360 STEEL RAILS OF PLATFORM subject to a number of defects, among which was the burning out of the tubes,making it impossible to obtain more than 900° F. in the blast. This type ofstove was followed by the fire-brick stove operated on the regenerative princi-ple, and by its use a hot-blast tem-perature of approximately 1500° F. canbe obtained. The atmosphere is the most vari-able element involved in the blast-fu
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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913
