Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 95
ee charges every twenty-four hours. In the Siemens process it isnot wrought iron or steel scrap that is mainly used to decarbonize the pig,but a pure oxide ore. This is thrown into the bath of molten metal inquantities of a few cvvts. at a time, when a violent ebullition occurs. Whensamples of the… … Fig. iba.—Rolling Mill. more uniform character. In both processes, phosphorus is oxidized atthe high temperature attained and passes into the slag, which last floatsof course on the molten metal and is from time to time tapped off as theaction proceeds. Fig. -zba shows a rolling mill with what is…
Inventions
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