Jasper County Democrat, Volume 4, Number 40, Rensselaer, Jasper County, 11 January 1902 — IN A SWEDISH IRON MILL. [ARTICLE]

IN A SWEDISH IRON MILL.

Domnarfvet Works, the Largest {„ Sweden, Operated by Klectriclty. The Domnarfvet Steel Works, belonging to the Stora-Kopperbergs Company, Is the largest iron and steel producing concern In Sweden, and which concern probably has the largest charcoal Iron works in the world. The present company Is of quite modern date—lß7B iron had been manufactured by Its predecessors as far back as 1044. The plant now consists of six ore-roasting kilns, five blast furnaces, two Bessemer acid converters, three basic converters, four Siemens-Martin open-hearth acid furnaces and nine rolling mills of various sizes. The annual output of the Domnarfvet blast furnaces averages 43,000 tons. The production of steel ingots amounts to 51,000 tons, by which It will be seen that they do not produce all of the pig Iron consumed by them. Only the highest quality of steels are produced, It being claimed that the average pig Iron will show but 0.019 of phosphorus and 0.01 of sulphur. Water power is used. The rolling mills and blowing engines are run by directly coupled turbine wheels; the smaller machines are driven by about forty electric motors, the current for which, of course, is also derived from water pojver. They now have a rolling mill which is run directly by electricity, about 2,000 additional horse power being obtained by electrical transmission from a waterfall about three miles away. There are about 7,000 horse power produced at the main plant by twenty-four turbines. The Swedish Bessemer converters are all small, live tons being quite the maximum capacity.—Cassier’s Magazine.